TINJAUAN PUSTAKA. Klasifikasi Tanah. bernama Dokuchaev. Kemudian dikembangkan oleh peneliti-peneliti Eropa dan

TINJAUAN PUSTAKA

Klasifikasi Tanah

Klasifikasi tanah ditemukan sekitar tahun 1880 oleh ilmuwan Rusia yang bernama Dokuchaev. Kemudian dikembangkan oleh peneliti-peneliti Eropa dan Amerika. Sistem ini didasarkan teori bahwa setiap tanah mempunyai morfologi yang pasti (bentuk dan struktur) dan berkaitan dengan kombinasi faktor pembentuk tanah tertentu. Sistem ini mencapai perkembangan pesat pada tahun 1949 dan dalam penggunaan utama (terutama di Amerika Serikat) sampai tahun 1960. Pada tahun 1960, Departemen Pertanian Amerika Serikat menerbitkan Soil Classification, a Comprehensive System. Sistem klasifikasi ini lebih menekankan pada morfologi tanah dan memberi sedikit tekanan pada genesis atau faktor-faktor pembentuk tanah dibandingkan dengan sistem sebelumnya (Foth, 1994). Klasifikasi tanah adalah pemilahan tanah yang didasarkan pada sifat-sifat tanah yang dimilikinya tanpa menghubungkannya dengan tujuan penggunaan tanah tersebut. Klasifikasi ini memberikan gambaran dasar terhadap sifat-sifat fisik, kimia, mineral tanah yang dimiliki masing-masing kelas yang selanjutnya dapat digunakan sebagai dasar untuk pengelolaan bagi penggunaan tanah (Hardjowigeno, 1986). Klasifikasi tanah secara garis besar dapat dikelompokkan menjadi dua bagian yaitu klasifikasi secara alami (taksonomi) dan klasifikasi secara keteknikan atau kegunaan. Klasifikasi alami adalah klasifikasi yang didasarkan atas sifat fisik tanah yang dimilikinya tanpa menghubungkan dengan tujuan penggunaan tanah tersebut. Klasifikasi ini memberikan gambaran besar terhadap sifat fisik, kimia

Universitas Sumatera Utara

dan minerologi tanah yang dimiliki masing-masing kelas yang selanjutnya dapat digunakan sebagai dasar untuk pengelolaan bagi berbagai penggunaan tanah. Sedangkan klasifikasi teknis adalah klasifikasi tanah yang didasarkan atas sifat-sifat yang mempengaruhi kemampuan tanah untuk penggunaan-penggunaan tertentu (http://wenotforsale.blogspot.com/2010/02/klasifikasi-tanah.html). Ilmu klasifikasi tanah berkembang cukup pesat mulai dari klasifikasi sederhana hingga klasifikasi yang menggunakan kaidah ilmu pengetahuan. Di Indonesia telah digunakan beberapa sistem klasifikasi, misalnya Sistem Klasifikasi Dudal dan Soepraptohardjo. Pada Kongres ke-5 Himpunan Ilmu Tanah Indonesia (HITI) tahun 1989 di Medan disepakati untuk menggunakan Sistem Klasifikasi

Soil

Taxonomy

secara

nasional.

Pada

sistem

klasifikasi

Soil Taxonomy, tanah diklasifikasikan menurut hirarki ordo, sub ordo, great group, sub group, family dan seri. Ada 12 ordo tanah di dunia, yaitu (1) Alfisol, (2) Andisol, (3) Aridisol, (4) Entisol, (5) Gellisol, (6) Histosol, (7) Inceptisol, (8) Mollisol, (9) Oksisol, (10) Spodosol, (11) Ultisol, (12) Vertisol (Musa, dkk, 2006). Sistem klasifikasi berdasarkan taksonomi tanah dimulai pada tahun 1951 dan dikembangkan berdasarkan nomor approximation yaitu pendekatan dan perbaikan, Approximation ke-7 dipublikasikan pada tahun 1960. Disebut 7th Aprroximation karena sistem tersebut dibuat dengan beberapa kali pendekatan dan perbaikan, hingga perbaikan yang ke-7. Ada 6 tingkatan kategori yaitu : (1) Ordo, (2) Sub Ordo, (3) Great Group, (4) Sub Group, (5) Family, dan (6) Seri (FitzPatrick, 1983).


Tujuan klasifikasi tanah adalah : -

Mengorganisasi (menata) pengetahuan kita tentang tanah.

-

Untuk mengetahui hubungan masing-masing individu tanah satu sama lain.

-

Memudahkan mengingat sifat-sifat tanah.

-

Mengelompokkan tanah untuk tujuan-tujuan yang lebih yang lebih praktis dalam hal : menaksir sifat-sifatnya, menentukan lahan-lahan terbaik, menaksir produktivitasnya, dan menentukan areal-areal untuk penelitian.

-

Mempelajari hubungan-hubungan dan sifat-sifat tanah yang baru.

(Buol, dkk, 1980). Di negara-negara yang telah maju pertaniannya, klasifikasi tanah merupakan bahan penting dalam mempersiapkan rencana pengembangan pertanian sebagai pedoman penggunaan lahan. Tujuan umum klasifikasi tanah adalah menyediakan suatu susunan yang teratur (sistematik) bagi pengetahuan mengenai tanah dan hubungannya dengan tanaman, baik mengenai produksi maupun perlindungan kesuburan tanah. Tujuan ini meliputi berbagai segi, antara lain peramalan pertanian di masa yang akan datang. Pada lahan yang telah rusak akibat proses erosi atau longsor, klasifikasi tanah disertai dengan petanya digunakan sebagai langkah pertama dalam usaha perbaikan kesuburan tanah (Darmawijaya, 1997). Suatu sistem klasifikasi tanah harus memiliki dasar pemikiran sebagai berikut : -

Dasar klasifikasi harus jelas untuk setiap kategori/setiap tingkat. Misalnya, pembeda yang dipergunakan diuraikan dengan jelas.


-

Pembagian akan menjadi lengkap pada setiap tingkat. Misalnya, semua klas terbagi lagi menjadi subklas-subklas.

-

Suatu

klas

akan

selalu

dibagi

menjadi

subklas-subklas

yang

non- overlapping. (Abdulah, 1991) Klasifikasi tanah memiliki berbagai versi. Terdapat kesulitan teknis dalam melakukan klasifikasi untuk tanah karena banyak hal yang memengaruhi pembentukan tanah. Dalam melakukan klasifikasi tanah para ahli pertama kali melakukannya berdasarkan ciri fisika dan kimia, serta dengan melihat lapisan-lapisan yang membentuk profil tanah. Selanjutnya, setelah teknologi jauh berkembang para ahli juga melihat aspek batuan dasar yang membentuk tanah serta proses pelapukan batuan yang kemudian memberikan ciri-ciri khas tertentu pada tanah yang terbentuk (http://id.wikipedia.org/wiki/Pedologi). Klasifikasi tanah yang bersistem telah dikembangkan dengan maksud menempatkan tanah ke dalam berbagai kelas (taxa) sehingga mudah diingat. Dengan demikian tanah dapat saling dibandingkan dan pengetahuan serta pengalaman tentang tanah di suatu tempat dapat diterapkan di tempat lain yang memiliki sifat-sifat lain dan keadaan lingkungan yang serupa. Hampir tidak mungkin orang mengumpulkan tanah seperti yang dilakukan oleh pakar Biologi mengumpulkan bahan herbarium. Untuk melancarkan perbandingan antar tanah, sering dibuat monolit tanah, yaitu irisan tipis profil tanah yang dilekatkan pada hardboard dan diawetkan dengan plastik (Buringh, 1993).


Sistem klasifikasi tanah yang dikembangkan oleh Amerika Serikat dengan nama Soil Taxonomy (USDA, 1975) berbeda dengan sistem yang sudah ada sebelumnya. Sistem klasifikasi Soil Taxonomy (USDA, 1975) ini memiliki keistimewaan terutama dalam hal: 1. Penamaan atau tata nama atau cara penamaan. 2. Definisi horison penciri. 3. Beberapa sifat penciri lainnya. (http://www.soilsworldwide.net/index.php/ Soil Classification System). Taksonomi Tanah

Taksonomi tanah adalah bagian dari klasifikasi tanah baru yang dikembangkan oleh Amerika Serikat dengan nama Soil Taxonomy (USDA, 1975) menggunakan 6 kategori yaitu ordo, sub ordo, great group, sub group, family dan seri. Sistem ini merupakan sistem yang benar-benar baru baik mengenai cara-cara penamaan (tata nama) maupun definisi mengenai horizon penciri ataupun sifat penciri lain yang dugunakan untuk menentukan jenis tanah. Dari kategori tertinggi (ordo) ke kategori terendah (seri) uraian mengenai sifat-sifat tanah semakin detail (Rayes, 2007). Sistem Taksonomi Tanah (Soil Taxonomy, USDA) merupakan sistem klasifikasi tanah internasional, diperkenalkan pada tahun 1975 dan berkembang cepat. Hampir setiap 2 tahun sekali diadakan perbaikan dan diterbitkan dalam buku pegangan lapang Keys to Soil Taxonomy. Sistem ini dibangun oleh para pakar tanah dunia, terstruktur baik, bertingkat, sistematis dan komprehensif. Dasar klasifikasi tanah dengan pendekatan morfometrik, dimana sifat penciri horison


dan

sifat

tanah

lainnya

terukur

secara

kuantitatif

(http://bbsdlp.litbang.deptan.go.id/Sistem Taksonomi Tanah). Sifat umum dari taksonomi tanah adalah : 1. Taksonomi tanah merupakan sistem multikategori. 2. Taksonomi tanah harus memungkinkan modifikasi karena adanya penemuanpenemuan baru dengan tidak merusak sistemnya sendiri. 3. Taksonomi tanah harus mampu mengklasifikasikan semua tanah dalam suatu landscape dimanapun ditemukan. 4. Taksonomi tanah harus dapat digunakan untuk berbagai jenis survai tanah. Kemampuan penggunaan Taksonomi Tanah untuk survai tanah harus dibuktikan dari kemampuannya untuk interpretasi berbagai penggunaan tanah. (Hardjowigeno, 1993). Dalam cabang ilmu tanah (pedologi), taksonomi tanah dibuat berdasarkan sejumlah peubah yang mencirikan keadaan suatu jenis tanah. Karena klasifikasi awal tidak sistematis, pada tahun 1975 tim dari Soil Survey Staff Departemen Pertanian Amerika Serikat (USDA) menerbitkan suatu kesepakatan dalam taksonomi tanah. Sejak saat itu, setiap jenis tanah paling sedikit memiliki dua nama seperti : Ultisol-Podsolik Merah Kuning. Meskipun nama baru sudah diberikan, nama lama seringkali masih dipakai karena aturan dari Soil Survey Staff dianggap terlalu rinci (http://id.wikipedia.org/wiki/Taksonomi) Taksonomi tanah terdiri dari 6 kategori dengan sifat-sifat faktor pembeda mulai dari kategori tertinggi ke kategori terendah, sebagai berikut :


1. Ordo Terdiri dari 12 taksa. Faktor pembeda adalah ada tidaknya horison penciri serta jenis (sifat) dari horison penciri tersebut. 2. Sub Ordo Terdiri dari 64 taksa. Faktor pembeda adalah keseragaman genetik, misalnya ada tidaknya sifat-sifat tanah yang berhubungan dengan pengaruh air, regim kelembaban, bahan induk utama, pengaruh vegetasi yang ditunjukkan oleh adanya sifat-sifat tanah tertentu, tingkat pelapukan bahan organik (untuk tanah-tanah organik). 3. Great Group Terdiri dari 317 taksa. Faktor pembeda adalah kesamaan jenis, tingkat perkembangan dan susunan horison, kejenuhan basa, regim suhu dan kelembaban, ada tidaknya lapisan-lapisan penciri lain seperti plinthite, fragipan dan duripan. 4. Sub Group Jumlah taksa masih terus bertambah yaitu > 1400 taksa. Faktor pembeda terdiri dari sifat-sifat inti dari great group (subgroup Typic), sifat-sifat tanah peralihan ke great group peralihan ke great group lain, sub ordo atau ordo, sifat-sifat tanah peralihan ke bukan tanah). 5. Family Jumlah taksa dalam family juga masih terus bertambah yaitu > 8000 taksa. Faktor pembedanya adalah sifat-sifat tanah yang penting untuk pertanian. Sifat-sifat tanah yang sering digunakan sebagai faktor pembeda


untuk family antara lain adalah : sebaran besar butir, susunan mineral (liat), regim temperatur pada kedalaman 50 cm. 6. Seri Jumlah seri tanah di Amerika saja lebih besar 19.000. Faktor pembedanya adalah : jenis dan susunan horison, warna, tekstur, struktur, konsistensi, reaksi tanah dari masing-masing horison, sifat-sifat kimia dan mineral masing-masing horison. Kategori ordo tanah sampai great group disebut kategori tinggi sedangkan kategori sub group sampai seri disebut kategori rendah. Jenis dan jumlah faktor pembeda meningkat dari kategori rendah ke kategori tinggi (Hardjowigeno, 1993). Taksonomi Tanah 2010

Taksonomi tanah adalah cabang dari klasifikasi tanah. Dalam taksonomi tanah 2010 disajikan secara lengkap tentang prosedur pengelompokan tanah mulai dari kategori tinggi sampai kategori rendah. Prosedur taksonomi tanah adalah mengikuti : 1. Deskripsi profil tanah. 2. Penentuan horison penciri (epipedon dan horizon bawah penciri). 3. Penentuan sifat-sifat lain. 4. Pemakaian kunci taksonomi dengan urutan : ordo (ada 12 ordo), sub ordo, kelompok besar (great group), anak kelompok (sub group), keluarga (family) dan seri. (Marpaung, 2008).


Horison penciri digunakan untuk mengklasifikasikan ke dalam ordo. Horison penciri yang terbentuk di permukaan dinamakan dengan epipedon. Horison penciri yang langsung di bawahnya dan dapat diamati dinamakan dengan horison bawah penciri (Darmawijaya, 1990). Menurut Taksonomi Tanah 2010 terdapat 8 epipedon penciri yaitu : Mollik, Antropik, Umbrik, Folistik, Histik, Melanik, Okrik dan Plagen. A. Epipedon Mollik Epipedon mollik mempunyai sifat perkembangan struktur tanah cukup kuat, terletak di atas permukaan, mempunyai value warna ≤ 3.5 (lembab) dan kroma warna≤ 3.5 (lembab), kejenuhan basa > 50%, kandungan C-organik > 0.6%, P2O5 < 250 ppm, dan n-value < 0.7. B. Epipedon Antropik Epipedon antropik menunjukkan beberapa tanda-tanda adanya gangguan manusia, dan memenuhi persyaratan mollik kecuali P2O5 < 250 ppm. C. Epipedon Umbrik Epipedon mollik mempunyai sifat perkembangan struktur tanah cukup kuat, terletak di atas permukaan, mempunyai value warna≤ 3.5 (lembab) dan kroma warna≤ 3.5 (lembab), kejenuhan basa < 50%, kandungan C-organik > 0.6%, P2O5 < 250 ppm, dan n-value < 0.7. D. Epipedon Folistik Epipedon Folistik didefinisikan sebagai suatu lapisan (terdiri dari satu horison atau lebih) yang jenuh air selama kurang dari 30 hari kumulatif dan tahun-tahun normal (dan tidak ada didrainase). Sebagian besar epipedon folistik tersusun dari bahan tanah organik.


E. Epipedon Histik Epipedon Histik merupakam suatu lapisan yang dicirikan oleh adanya saturasi (selama 30 hari atau lebih, secara kumulatif) dan reduksi selama sebagian waktu dalam sebagian waktu dalam tahun-tahun normal (dan telah drainase). Sebagian besar epipedon histik tersusun dari bahan tanah organik. F. Epipedon Okrik Epipedon Okrik mempunyai tebal permukaan yang sangat tipis dan kering, value dan kroma (lembab) ≥ 4. Epipedon okrik juga mencakup horison-horison bahan organik yang terlampau tipis untuk memenuhi persyaratan epipedon histik atau folistik. G. Epipedon Plagen Epipedon Plagen adalah suatu lapisan permukaan buatan manusia setebal 50 cm atau lebih, yang telah terbentuk oleh pemupukan (pupuk kandang) secara terus menerus dalam jangka waktu yang lama. Biasanya epipedon plagen mengandung artifak seperti pecahan-pecahan bata dan keramik pada seluruh kedalamannya. Pada taksonomi tanah 2010, terdapat 19 horison bawah penciri yaitu : horison Agrik, Albik, Argilik, Duripan, Fragipan, Glosik, Gipsik, Kalsik, Kandik, Kambik, Natrik, Orstein, Oksik, Petrokalsik, Petrogipsik, Placik, Salik, Sombrik dan Spodik.


A. Horison Agrik Horison Agrik adalah suatu horison iluvial yang telah terbentuk akibat pengolahan tanah dan mengandung sejumlah debu, liat, dan humus yang telah tereluviasi nyata. B. Horison Albik Pada umumnya Horison Albik terdapat di bawah horison A, tetapi mungkin juga berada pada permukaan tanah mineral. Horison ini merupakan horison eluvial dengan tebal 1.0 cm dan mempunyai 85% atau lebih bahan-bahan andik. C. Horison Argilik Horison Argilik secara normal merupakan suatu horison bawah permukaan dengan kandungan liat phylosilikat secara jelas lebih tinggi. Horison tersebut mempunyai sifat adanya gejala eluviasi liat, KTK tinggi (> 6 cmo/kg). D. Horison Duripan Horison Duripan merupakan horison yang memadas paling sedikit setengahnya dengan perekat SiO2, dan tidak mudah hancur dengan air atau HCl. E. Horison Fragipan Horison Fragipan mempunyai ketebalan 15 cm atau lebih adanya tanda-tanda pedogenesis didalam horison serta perkembangan struktur tanah lemah.


F. Horison Glosik Horison Glosik terbentuk sebagai hasil degradasi suatu horison argilik, kandik atau natrik dimana liat dan senyawa oksida besi bebasnya telah dipindahkan. G. Horison Gipsik Horison Gipsik adalah suatu horison iluvial yang senyawa gypsum sekundernya telah terakumulasi dalam jumlah yang nyata, dimana tebalnya lebih dari 15 cm. H. Horison Kalsik Horison Kalsik merupakan horison iluvial mempunyai akumulasi kalsium karbonat sekunder atau karbonat yang lain dalam jumlah yang cukup nyata. I. Horison Kandik Horison Kandik memiliki sifat adanya gejala iluviasi liat, kandungan liat tinggi dan KTK rendah (<6 cmol/kg). J. Horison Kambik Horison kambik adalah horison yang terbentuk sebagai hasil alterasi secara fisik, transformasi secara kimia, atau pemindahan bahan, atau merupakan hasil kombinasi dari dua atau lebih proses-proses tersebut. K. Horison Natrik Horison Natrik adalah horison iluvial yang banyak mengandung natrium, memiliki struktur prismatik atau tiang, lebih 15% KTK didominasi oleh natrium.


L. Horison Orstein Horison Orstein tersusun dari bahan spodik, berada didalam suatu lapisan yang 50% atau lebih (volumenya) tersementasi dan memiliki ketebalan 25 cm atau lebih M. Horison Oksik Horison Oksik merupakan horison bawah permukaan yang tidak memiliki sifat-sifat tanah andik dan KTK rendah (< 6 cmol/kg) N. Horison Petrokalsik Horison Petrokalsik merupakan suatu horison iluvial dimana kalsium karbonat sekunder atau senyawa karbonat lainnya telah terakumulasi mencapai tingkat, seluruh horison tersebut, tersementasi atau mengeras. O. Horison Petrogipsik Horison Petrogipsik merupakan suatu horison iluvial dengan ketebalan 10 cm atau lebih dimana gypsum sekundernya telah terakumulasi mencapai tingkat, seluruh horison tersebut, tersementasi atau mengeras. P. Horison Placik Horison Placik adalah suatu padas tipis yang berwarna hitam sampai merah gelap, yang tersementasi oleh senyawa besi serta bahan organik. Q. Horison Salik Horison Salik mempunyai ketebalan 15 cm atau lebih dan banyak mengandung garam mudah larut.


R. Horison Sombrik Horison Sombrik berwarna gelap, mempunyai sifat-sifat seperti epipedon umbrik dengan mengandung iluviasi humus yang berasosiasi dengan Al atau yang terdispersi dengan natrium. S. Horison Spodik Horison Spodik adalah suatu lapisan iluvial yang tersusun 85% atau lebih dari bahan spodik. Berdasarkan Keys to Soil Taxonomy 2010, ordo tanah terdiri atas 12 ordo. Yaitu : A. Gelisol Tanah yang mempunyai permafrost (lapisan tanah beku) dan bahan-bahan gelik yang berada didalam 100 cm dari permukaan tanah. B. Histosol Tanah yang tidak mempunyai sifat-sifat tanah andik pada 60% atau lebih ketebalan diantara permukaan tanah dan kedalaman 60 cm. C. Spodosol Tanah lain yang memiliki horison spodik, albik pada 50% atau lebih dari setiap pedon, dan regim suhu cryik. D. Andisol Ordo tanah yang mempunyai sifat-sifat andik pada 60% atau lebih dari ketebalannya.


E. Oksisol Tanah lain yang memiliki horison oksik (tanpa horison kandik) yang mempunyai batas atas didalam 150 cm dari permukaan tanah mineral dan kandungan liat sebesar 40% atau lebih dalam fraksi tanah. F. Vertisol Tanah yang memiliki satu lapisan setebal 35 cm atau lebih, dengan batas atas didalam 100 cm dari permukaan tanah mineral, yang memiliki bidang kilir atau ped berbentuk baji dan rata-rata kandungan liat dalam fraksi tanah halus sebesar 30% atau lebih. G. Aridisol Tanah yang mempunyai regim kelembaban tanah aridik dan epipedon okrik dan antropik atau horison salik dan jenuh air pada satu lapisan atau lebih di dalam 100 cm dari permukaan tanah selama satu bulan atau lebih. H. Ultisol Tanah lain yang memiliki horison argilik atau kandik, tetapi tanpa fragipan dan kejenuhan basa sebesar kurang dari 35% pada kedalaman 180 cm. I. Mollisol Tanah lain yang memiliki epipedon mollik dan kejenuhan basa sebesar 50% atau lebih pada keseluruhan horison. J. Alfisol Tanah yang tidak memiliki epipedon plagen dan memiliki horison argilik, kandik, natrik atau fragipan yang mempunyai lapisan liat tipis setebal 1 mm atau lebih di beberapa bagian.


K. Inceptisol Tanah yang mempunyai sifat penciri horison kambik, epipedon plagen, umbrik, mollik serta regim suhu cryik atau gelic dan tidak terdapat bahan sulfidik didalam 50 cm dari permukaan tanah mineral. L. Entisol Tanah yang memiliki epipedon okrik, histik atau albik tetapi tidak ada horison penciri lain. (Soil Survey Staff, 2010). Berdasarkan Taksonomi Tanah 2010, sub ordo dan great group dibagi berdasarkan setiap jenis tanah, sebagai berikut : •

Alfisol

Sub Ordo : - Aqualfs Key to Great Groups : Cryaqualfs, Plinthaqualfs, Duraqualfs, Natraqualfs, Fragiaqualfs, Kandiaqualfs, Vermaqualfs, Albaqualfs, Glossaqualfs, Epiaqualfs, Endoaqualfs. Key to Subgroups : Typic Cryaqualfs, Typic Plinthaqualfs, Typic Duraqualfs, Vertic Natraqualfs, Vermic Natraqualfs, Albic Glossic Natraqualfs, Albic Natraqualfs, Glossic Natraqualfs, Mollic Natraqualfs, Typic Natraqualfs, Vermic Fragiaqualfs, Aeric Fragiaqualfs, Plinthic Fragiaqualfs, Humic Fragiaqualfs, Typic Fragiaqualfs, Arenic Kandiaqualfs, Grossarenic Kandiaqualfs, Plinthic Kandiaqualfs, Aeric Umbric Kandiaqualfs, Aeric Kandiaqualfs, Umbric Kandiaqualfs, Typic Kandiaqualfs, Natric Vermaqualfs, Typic Vermaqualfs, Arenic Albaqualfs, Aeric Vertic Albaqualfs, Chromic Vertic Albaqualfs, Vertic


Albaqualfs, Udollic Albaqualfs, Aeric Albaqualfs, Aquandic Albaqualfs, Mollic Albaqualfs, Umbric Albaqualfs, Typic Albaqualfs, Histic Glossaqualfs, Arenic Glossaqualfs, Aeric Fragic Glossaqualfs, Fragic Glossaqualfs, Aeric Glossaqualfs, Mollic Glossaqualfs, Typic Glossaqualfs, Aeric Chromic Vertic Epiaqualfs, Aeric Vertic Epiaqualfs, Chromic Vertic Epiaqualfs, Vertic Epiaqualfs, Aquandic Epiaqualfs, Aeric Fragic Epiaqualfs, Fragic Epiaqualfs, Arenic Epiaqualfs, Grossarenic Epiaqualfs, Aeric Umbric Epiaqualfs, Udollic Epiaqualfs, Aeric Epiaqualfs, Mollic Epiaqualfs, Umbric Epiaqualfs, Typic Epiaqualfs, Aquandic Endoaqualfs, Chromic Vertic Endoaqualfs, Vertic Endoaqualfs, Aeric Fragic Endoaqualfs, Fragic Endoaqualfs, Arenic Endoaqualfs, Grossarenic Endoaqualfs, Udollic Endoaqualfs, Aeric Umbric Endoaqualfs, Aeric Endoaqualfs, Mollic Endoaqualfs, Umbric Endoaqualfs, Typic Endoaqualfs. - Cryalfs Key to Great Groups : Palecryalfs, Glossocryalfs, Haplocryalfs. Key to Subgroups : Andic Palecryalfs, Vitrandic Palecryalfs, Aquic Palecryalfs, Oxyaquic Palecryalfs, Xeric Palecryalfs, Ustic Palecryalfs, Mollic Palecryalfs, Umbric Palecryalfs, Typic Palecryalfs, Lithic Glossocryalfs, Vertic Glossocryalfs, Andic Glossocryalfs, Vitrandic Glossocryalfs, Aquic Glossocryalfs, Oxyaquic Glossocryalfs, Fragic Glossocryalfs, Xerollic Glossocryalfs, Umbric Xeric Glossocryalfs, Ustollic Glossocryalfs, Xeric Glossocryalfs, Ustic Glossocryalfs, Mollic Glossocryalfs, Umbric Glossocryalfs, Eutric Glossocryalfs, Typic Glossocryalfs,

Lithic Haplocryalfs, Vertic Haplocryalfs, Andic Haplocryalfs,

Vitrandic Haplocryalfs, Aquic Haplocryalfs, Oxyaquic Haplocryalfs, Lamellic Haplocryalfs,

Psammentic

Haplocryalfs,

Inceptic

Haplocryalfs,

Xerollic


Haplocryalfs,

Umbric

Xeric

Haplocryalfs,

Ustollic

Haplocryalfs,

Xeric

Haplocryalfs, Ustic Haplocryalfs, Mollic Haplocryalfs, Umbric Haplocryalfs, Eutric Haplocryalfs, Typic Haplocryalfs. - Ustalfs Key to Great Groups : Durustalfs, Plinthustalfs, Natrustalfs, Kandiustalfs, Kanhaplustalfs, Paleustalfs, Rhodustalfs, Haplustalfs. Key to Subgroups : Typic Durustalfs, Typic Plinthustalfs, Salidic Natrustalfs, Leptic Torrertic Natrustalfs, Aquertic Natrustalfs, Aridic Leptic Natrustalfs, Vertic Natrustalfs, Aquic Arenic Natrustalfs, Aquic Natrustalfs, Arenic Natrustalfs, Petrocalcic Natrustalfs, Leptic Natrustalfs, Haplargidic Natrustalfs, Aridic Glossic Natrustalfs, Aridic Natrustalfs, Mollic Natrustalfs, Typic Natrustalfs, Grossarenic Kandiustalfs,

Aquic

Kandiustalfs, Aquic Arenic Kandiustalfs, Plinthic

Kandiustalfs,

Arenic

Aridic

Kandiustalfs,

Arenic

Kandiustalfs, Aridic Kandiustalfs, Udic Kandiustalfs, Rhodic Kandiustalfs, Typic Kandiustalfs, Lithic, Aquic Kanhaplustalfs, Aridic Kanhaplustalfs, Udic Kanhaplustalfs,

Rhodic

Kanhaplustalfs,

Typic

Kanhaplustalfs,

Aquertic

Paleustalfs, Oxyaquic Vertic Paleustalfs, Udertic Paleustalfs, Vertic Paleustalfs, Aquic Arenic Paleustalfs, Aquic Paleustalfs, Oxyaquic Paleustalfs, Lamellic Paleustalfs, Psammentic Paleustalfs, Arenic Aridic Paleustalfs, Grossarenic Paleustalfs, Arenic Paleustalfs, Plinthic Paleustalfs, Petrocalcic Paleustalfs, Calcidic Paleustalfs, Aridic Paleustalfs, Kandic Paleustalfs, Rhodic Paleustalfs, Ultic Paleustalfs, Udic Paleustalfs, Typic Paleustalfs, Lithic Rhodustalfs, Kanhaplic Rhodustalfs, Udic Rhodustalfs, Typic Rhodustalfs, Lithic Haplustalfs, Aquertic Haplustalfs, Oxyaquic Vertic Haplustalfs, Torrertic Haplustalfs, Udertic


Haplustalfs, Vertic Haplustalfs, Aquic Arenic Haplustalfs, Aquultic Haplustalfs, Aquic Haplustalfs, Oxyaquic Haplustalfs, Vitrandic Haplustalfs, Lamellic Haplustalfs, Psammentic Haplustalfs, Arenic Aridic Haplustalfs, Calcidic Haplustalfs, Aridic Haplustalfs, Kanhaplic Haplustalfs, Inceptic Haplustalfs, Calcic Udic Haplustalfs, Ultic Haplustalfs, Calcic Haplustalfs, Udic Haplustalfs, Typic Haplustalfs. - Xeralfs Key to Great Groups : Durixeralfs, Natrixeralfs, Fragixeralfs, Plinthoxeralfs, Rhodoxeralfs, Palexeralfs, Haploxeralfs. Key to Subgroups : Natric Durixeralfs, Vertic Durixeralfs, Aquic Durixeralfs, Abruptic Haplic Durixeralfs, Abruptic Durixeralfs, Haplic Durixeralfs, Typic Durixeralfs, Vertic Natrixeralfs, Aquic Natrixeralfs, Typic Natrixeralfs, Andic Fragixeralfs, Vitrandic Fragixeralfs, Mollic Fragixeralfs, Aquic Fragixeralfs, Inceptic

Fragixeralfs,

Rhodoxeralfs,

Typic

Vertic

Fragixeralfs,

Rhodoxeralfs,

Typic

Petrocalcic

Plinthoxeralfs,

Lithic

Rhodoxeralfs,

Calcic

Rhodoxeralfs, Inceptic Rhodoxeralfs, Typic Rhodoxeralfs, Vertic Palexeralfs, Aquandic Palexeralfs, Andic Palexeralfs, Vitrandic Palexeralfs, Fragiaquic Palexeralfs, Aquic Palexeralfs, Petrocalcic Palexeralfs, Lamellic Palexeralfs, Psammentic

Palexeralfs,

Arenic

Palexeralfs,

Natric

Palexeralfs,

Fragic

Palexeralfs, Calcic Palexeralfs, Plinthic Palexeralfs, Ultic Palexeralfs, Haplic Palexeralfs, Mollic Palexeralfs, Typic Palexeralfs, Lithic Mollic Haploxeralfs, Lithic Ruptic-Inceptic Haploxeralfs, Lithic Haploxeralfs, Vertic Haploxeralfs, Aquandic Haploxeralfs, Andic Haploxeralfs, Vitrandic Haploxeralfs, Fragiaquic Haploxeralfs, Aquultic Haploxeralfs, Aquic Haploxeralfs, Natric Haploxeralfs,


Fragic Haploxeralfs, Lamellic Haploxeralfs, Psammnetic Haploxeralfs, Plinthic Haploxeralfs, Calcic Haploxeralfs, Inceptic Haploxeralfs, Ultic Haploxeralfs, Mollic Haploxeralfs, Typic Haploxeralfs. - Udalfs Key to Great Groups : Natrudalfs, Ferrudalfs, Fraglossudalfs, Fragiudalfs, Kandiudalfs, Kanhapludalfs, Paleudalfs, Rhodudalfs, Glossudalfs, Hapludalfs. Key to Subgroups : Vertic Natrudalfs, Glossaquic Natrudalfs, Aquic Natrudalfs, Typic Natrudalfs, Aquic Ferrudalfs, Typic Ferrudalfs, Andic Fraglossudalfs, Vitrandic Fraglossudalfs, Aquic Fraglossudalfs, Qxyaquic Fraglossudalfs, Typic Fraglossudalfs, Andic Fragiudalfs, Vitrandic Fragiudalfs, Aquic Fragiudalfs, Qxyaquic Fragiudalfs, Typic Fragiudalfs, Plinthaquic Kandiudalfs, Aquic Kandiudalfs, Oxyaquic Kandiudalfs, Arenic Plinthic Kandiudalfs, Grossarenic Plinthic Kandiudalfs, Arenic Kandiudalfs, Grossarenic Kandiudalfs, Plinthic Kandiudalfs, Rhodic Kandiudalfs, Mollic Kandiudalfs, Typic Kandiudalfs, Lithic Kanhapludalfs,

Aquic

Kanhapludalfs,

Oxyaquic

Kanhapludalfs,

Rhodic

Kanhapludalfs, Typic Kanhapludalfs, Vertic Paleudalfs, Andic Paleudalfs, Vitrandic Paleudalfs, Anthraquic Paleudalfs, Fragiaquic Paleudalfs, Plinthaquic Paleudalfs, Glossaquic Paleudalfs, Albaquic Paleudalfs, Aquic Paleudalfs, Oxyaquic Paleudalfs, Fragic Paleudalfs, Arenic Plinthic Paleudalfs, Grossarenic Plinthic Paleudalfs, Lamellic Paleudalfs, Psammentic Paleudalfs, Arenic Paleudalfs, Grossarenic Paleudalfs, Plinthic Paleudalfs, Glossic Paleudalfs, Rhodic Paleudalfs, Mollic Paleudalfs, Typic Paleudalfs, Typic Rhodudalfs, Aquertic Glossudalfs, Oxyaquic Vertic Glossudalfs, Aquandic Glossudalfs, Andic Glossudalfs, Vitrandic Glossudalfs, Fragiaquic Glossudalfs, Aquic Arenic


Glossudalfs, Aquic Glossudalfs, Arenic Oxyaquic Glossudalfs, Oxyaquic Glossudalfs, Fragic Glossudalfs, Arenic Glossudalfs, Haplic Glossudalfs, Typic Glossudalfs, Lithic Hapludalfs, Aquertic Chromic Hapludalfs, Aquertic Hapludalfs, Oxyaquic Vertic Hapludalfs, Chromic Vertic Hapludalfs, Vertic Hapludalfs, Andic Hapludalfs, Vitrandic Hapludalfs, Fragiaquic Hapludalfs, Fragic Oxyaquic Hapludalfs, Aquic Arenic Hapludalfs, Arenic Oxyaquic Hapludalfs, Anthraquic Hapludalfs, Albaquultic Hapludalfs, Albaquic Hapludalfs, Glossaquic Hapludalfs, Aquultic Hapludalfs, Aquollic Hapludalfs, Aquic Hapludalfs,

Mollic

Oxyaquic

Hapludalfs,

Oxyaquic

Hapludalfs,

Fragic

Hapludalfs, Lamellic Hapludalfs, Psammentic Hapludalfs, Arenic Hapludalfs, Glossic Hapludalfs, Inceptic Hapludalfs, Ultic Hapludalfs, Mollic Hapludalfs, Typic Hapludalfs. •

Andisol

Sub Ordo : - Aquands Key to Great Groups : Gelaquands, Cryaquands, Placaquands, Duraquands, Vitraquands, Melanaquands, Epiaquands, Endoaquands. Key to Subgroups : Histic Gelaquands, Turbic Gelaquands, Thaptic Gelaquands, Typic Gelaquands, Lithic Cryaquands, Histic Cryaquands, Thaptic Cryaquands, Typic Cryaquands, Lithic Placaquands, Duric Histic Placaquands, Duric Placaquands, Histic Placaquands, Thaptic Placaquands, Typic Placaquands, Histic Duraquands, Acraquoxic Duraquands, Thaptic Duraquands, Typic Duraquands, Lithic Vitraquands, Duric Vitraquands, Histic Vitraquands, Thaptic Vitraquands, Typic Vitraquands, Lithic Melanaquands, Acraquoxic Melanaquands, Hydric


Pachic Melanaquands, Hydric Melanaquands, Pachic Melanaquands, Thaptic Melanaquands, Typic Melanaquands, Duric Epiaquands, Histic Epiaquands, Alic Epiaquands, Hydric Epiaquands, Thaptic Epiaquands, Typic Epiaquands, Lithic Endoaquands, Duric Endoaquands, Histic Endoaquands, Alic Endoaquands, Hydric Endoaquands, Thaptic Endoaquands, Typic Endoaquands. - Gelands Key to Great Groups : Vitrigelands. Key to Subgroups : Humic Vitrigelands, Turbic Vitrigelands, Typic Vitrigelands. - Cryands Key to Great Groups : Duricryands, Hydrocryands, Melanocryands, Fulvicryands, Vitricryands, Haplocryands. Key to Subgroups : Aquic Duricryands, Eutric Oxyaquic Duricryands, Oxyaquic Duricryands, Eutric Duricryands, Typic Duricryands, Lithic Hydrocryands, Placic Hydrocryands, Aquic Hydrocryands, Thaptic Hydrocryands, Typic Hydrocryands, Lithic Melanocryands, Vitric Melanocryands, Typic Melanocryands, Lithic Fulvicryands,

Folistic

Fulvicryands,

Eutric

Pachic

Fulvicryands,

Eutric

Fulvicryands, Pachic Fulvicryands, Vitric Fulvicryands, Typic Fulvicryands, Lithic Vitricryands, Folistic Vitricryands, Aquic Vitricryands, Oxyaquic Vitricryands,

Spodic

Vitricryands,

Thaptic

Vitricryands,

Humic

Xeric

Vitricryands, Xeric Vitricryands, Ultic Vitricryands, Alfic Vitricryands, Humic Vitricryands, Typic Vitricryands, Lithic Haplocryands, Folistic Haplocryands, Aquic Haplocryands, Oxyaquic Haplocryands, Alic Haplocryands, Spodic


Haplocryands,

Acrudoxic

Haplocryands,

Vitric

Haplocryands,

Thaptic

Haplocryands, Xeric Haplocryands, Typic Haplocryands. - Torrands Key to Great Groups : Duritorrands, Vitritorrands, Haplotorrands. Key to Subgroups : Petrocalcic Duritorrands, Vitric Duritorrands, Typic Duritorrands, Lithic Vitritorrands, Duric Vitritorrands, Aquic Vitritorrands, Calcic Vitritorrands, Typic Vitritorrands, Lithic Haplotorrands, Duric Haplotorrands, Calcic Haplotorrands, Typic Haplotorrands. - Xerands Key to Great Groups : Vitrixerands, Melanoxerands, Haploxerands. Key to Subgroups : Lithic Vitrixerands, Aquic Vitrixerands, Thaptic Vitrixerands, Alfic Humic Vitrixerands, Ultic Vitrixerands, Alfic Vitrixerands, Humic Vitrixerands, Typic Vitrixerands, Pachic Melanoxerands, Typic Melanoxerands, Lithic Haploxerands, Aquic Haploxerands, Thaptic Haploxerands, Calcic Haploxerands,

Ultic

Haploxerands,

Alfic

Humic

Haploxerands,

Alfic

Haploxerands, Humic Haploxerands, Typic Haploxerands. - Vitrands Key to Great Groups : Ustivitrands, Udivitrands. Key to Subgroups : Lithic Ustivitrands, Aquic Ustivitrands, Thaptic Ustivitrands, Calcic Ustivitrands, Humic Ustivitrands, Typic Ustivitrands, Lithic Udivitrands, Aquic Udivitrands, Oxyaquic Udivitrands, Thaptic Udivitrands, Ultic Udivitrands, Alfic Udivitrands, Humic Udivitrands, Typic Udivitrands.


- Ustands Key to Great Groups : Durustands, Haplustands. Key to Subgroups : Aquic Durustands, Thaptic Durustands, Humic Durustands, Typic Durustands, Lithic Haplustands, Aquic Haplustands, Dystric Vitric Haplustands, Vitric Haplustands, Pachic Haplustands, Thaptic Haplustands, Calcic Haplustands, Dystric Haplustands, Oxic Haplustands, Ultic Haplustands, Alfic Haplustands, Humic Haplustands, Typic Haplustands. - Udands Key to Great Groups : Placudands, Durudands, Melanudands, Hydrudands, Fulvudands, Hapludands. Key to Subgroups : Lithic Placudands, Aquic Placudands, Acrudoxic Placudands, Hydric Placudands, Typic Placudands, Aquic Durudands, Eutric Durudands, Acrudoxic Durudands, Hydric Durudands, Pachic Durudands, Typic Durudands, Lithic Melanudands, Anthraquic Melanudands, Aquic Melanudands, Acrudoxic Vitric Melanudands, Acrudoxic Hydric Melanudands, Acrudoxic Melanudands, Pachic Vitric Melanudands, Vitric Melanudands, Hydric Pachic Melanudands, Pachic Melanudands, Hydric Melanudands, Thaptic Melanudands, Ultic Melanudands, Entic Melanudands, Typic Melanudands, Lithic Hydrudands, Aquic Hydrudands, Acrudoxic Thaptic Hydrudands, Acrudoxic Hydrudands, Thaptic Hydrudands, Eutric Hydrudands, Ultic Hydrudands, Typic Hydrudands, Eutric Lithic Fulvudands, Lithic Fulvudands, Aquic Fulvudands, Oxyaquic Fulvudands, Hydric Fulvudands, Acrudoxic Fulvudands, Ultic Fulvudands, Eutric Pachic Fulvudands, Eutric Fulvudands, Pachic Fulvudands, Thaptic Fulvudands, Typic Fulvudands, Lithic Hapludands, Anthraquic Hapludands, Aquic Duric


Hapludands, Duric Hapludands, Aquic Hapludands, Oxyaquic Hapludands, Alic Hapludands, Acrudoxic Hydric Hapludands, Acrudoxic Thaptic Hapludands, Acrudoxic Ultic Hapludands, Acrudoxic Hapludands, Vitric Hapludands, Hydric Thaptic Hapludands, Hydric Hapludands, Eutric Thaptic Hapludands, Thaptic Hapludands, Eutric Hapludands, Oxic Hapludands, Ultic Hapludands, Alfic Hapludands, Typic Hapludands. •

Aridisol

Sub Ordo : - Cryids Key to Great Groups : Salicryids, Petrocryids, Gypsicryids, Argicryids, Calcicryids, Haplocryids. Key to Subgroups : Aquic Salicryids, Typic Salicryids, Xereptic Petrocryids, Duric Xeric Petrocryids, Duric Petrocryids, Petrogypsic Petrocryids, Xeric Petrocryids,

Ustic

Petrocryids,

Typic

Petrocryids,

Calcic

Gypsicryids,

Vitrixerandic Gypsicryids, Vitrandic Gypsicryids, Typic Gypsicryids, Lithic Argicryids, Vertic Argicryids, Natric Argicryids, Vitrixerandic Argicryids, Vitrandic Argicryids, Xeric Argicryids, Ustic Argicryids, Typic Argicryids, Lithic Calcicryids, Vitrixerandic Calcicryids, Vitrandic Calcicryids, Xeric Calcicryids, Ustic Calcicryids, Typic Calcicryids, Lithic Haplocryids, Vertic Haplocryids Vitrixerandic Haplocryids, Vitrandic Haplocryids, Xeric Haplocryids Ustic Haplocryids, Typic Haplocryids, - Salids Key to Great Groups : Aquisalids, Haplosalids.


Key to Subgroups : Gypsic Aquisalids, Calcic Aquisalids, Typic Aquisalids, Duric Haplosalids, Petrogypsic Haplosalids, Gypsic Haplosalids, Calcic Haplosalids, Typic Haplosalids. - Durids Key to Great Groups : Natridurids, Argidurids, Haplodurids. Key to Subgroups : Vertic Natridurids, Aquic Natrargidic Natridurids, Aquic Natridurids, Natrixeralfic Natridurids, Natrargidic Natridurids, Vitrixerandic Natridurids, Vitrandic Natridurids, Xeric Natridurids, Typic Natridurids, Vertic Argidurids, Aquic Argidurids, Abruptic Xeric Argidurids, Abruptic Argidurids, Haploxeralfic Argidurids, Argidic Argidurids, Vitrixerandic Argidurids, Vitrandic Argidurids, Xeric Argidurids, Ustic Argidurids, Typic Argidurids, Aquicambidic Haplodurids, Aquic Haplodurids, Xereptic Haplodurids, Cambidic Haplodurids, Vitrixerandic Haplodurids, Vitrandic Haplodurids, Xeric Haplodurids, Ustic Haplodurids, Typic Haplodurids. - Gypsids Key to Great Groups : Petrogypsids, Natrigypsids, Argigypsids, Calcigypsids, Haplogypsids. Key to Subgroups : Petrocalcic Petrogypsids, Calcic Petrogypsids, Vitrixerandic Petrogypsids, Vitrandic Petrogypsids, Xeric Petrogypsids, Ustic Petrogypsids, Typic Petrogypsids, Lithic Natrigypsids, Vertic Natrigypsids, Petronodic Natrigypsids,

Vitrixerandic

Natrigypsids,

Vitandic

Natrigypsids,

Xeric

Natrigypsids, Ustic Natrigypsids, Typic Natrigypsids, Lithic Argigypsids, Vertic Argigypsids,

Calcic

Argigypsids,

Petronodic

Argigypsids,

Vitrixerandic


Argigypsids, Vitrandic Argigypsids, Xeric Argigypsids, Ustic Argigypsids, Typic Argigypsids,

Lithic Calcigypsids, Petronodic Calcigypsids, Vitrixerandic

Calcigypsids, Vitrandic Calcigypsids, Xeric Calcigypsids, Ustic Calcigypsids, Typic

Calcigypsids,

Lithic

Haplogypsids,

Leptic

Haplogypsids,

Sodic

Haplogypsids, Petronodic Haplogypsids, Vitrixerandic Haplogypsids, Vitrandic Haplogypsids, Xeric Haplogypsids, Ustic Haplogypsids, Typic Haplogypsids. - Argids Key to Great Groups : Petroargids, Natrargids, Paleargids, Gypsiargids, Calciargids, Haplargids. Key to Subgroups : Petrogypsic Ustic Petroargids, Petrogypsic Petroargids, Duric Xeric Petroargids, Duric Petroargids, Natric Petroargids, Xeric Petroargids, Ustic Petroargids, Typic Petroargids, Lithic Xeric Natrargids, Lithic Ustic Natrargids, Lithic Natrargids, Xerertic Natrargids, Ustertic Natrargids, Vertic Natrargids, Aquic Natrargids, Durinodic Xeric Natrargids, Durinodic Natrargids, Petronodic Natrargids, Glossic Ustic Natrargids, Haplic Ustic Natrargids, Haploxeralfic Natrargids, Haplic Natrargids, Vitrixerandic Natrargids, Vitrandic Natrargids, Xeric Natrargids, Ustic Natrargids, Glossic Natrargids, Typic Natrargids, Vertic Paleargids, Aquic Paleargids, Arenic Ustic Paleargids, Arenic Paleargids, Calcic Paleargids, Durinodic Xeric Paleargids, Durinodic Paleargids, Petronodic Ustic Paleargids, Petronodic Paleargids, Vitrixerandic Paleargids, Vitrandic Paleargids, Xeric Paleargids, Ustic Paleargids, Typic Paleargids, Aquic Gypsiargids, Durinodic Gypsiargids, Vitrixerandic Gypsiargids, Vitrandic Gypsiargids, Xeric Gypsiargids, Ustic Gypsiargids, Typic Gypsiargids, Lithic Calciargids, Xerertic Calciargids, Ustertic Calciargids, Vertic Calciargids, Aquic Calciargids, Arenic


Ustic Calciargids, Arenic Calciargids, Durinodic Xeric Calciargids, Durinodic Calciargids, Petronodic Xeric Calciargids, Petronodic Ustic Calciargids, Petronodic Calciargids, Vitrixerandic Calciargids, Vitrandic Calciargids, Xeric Calciargids, Ustic Calciargids, Typic Calciargids, Lithic Ruptic-Entic Haplargids, Lithic Xeric Haplargids, Lithic Ustic Haplargids, Lithic Haplargids, Xerertic Haplargids, Ustertic Haplargids, Vertic Haplargids, Aquic Haplargids, Arenic Ustic Haplargids, Arenic Haplargids, Durinodic Xeric Haplargids, Durinodic Haplargids, Petronodic Ustic Haplargids, Petronodic Haplargids, Vitrixerandic Haplargids, Vitrandic Haplargids, Xeric Haplargids, Ustic Haplargids, Typic Haplargids. - Calcids Key to Great Groups : Petrocalcids, Haplocalcids. Key to Subgroups : Aquic Petrocalcids, Natric Petrocalcids, Xeralfic Petrocalcids, Ustalfic Petrocalcids, Argic Petrocalcids, Calcic Lithic Petrocalcids, Calcic Petrocalcids, Xeric Petrocalcids, Ustic Petrocalcids, Typic Petrocalcids, Lithic Xeric Haplocalcids, Lithic Ustic Haplocalcids, Lithic Haplocalcids, Vertic Haplocalcids, Aquic Durinodic Haplocalcids, Aquic Haplocalcids, Duric Xeric Haplocalcids, Duric Haplocalcids, Durinodic Xeric Haplocalcids, Durinodic Haplocalcids, Petronodic Xeric Haplocalcids, Petronodic Ustic Haplocalcids, Petronodic Haplocalcids, Sodic Xeric Haplocalcids, Sodic Ustic Haplocalcids, Sodic Haplocalcids, Vitrixerandic Haplocalcids, Vitrandic Haplocalcids, Xeric Haplocalcids, Ustic Haplocalcids, Typic Haplocalcids.


- Cambids Key

to

Great

Groups

:

Aquicambids,

Petrocambids,

Anthracambids,

Haplocambids. Key to Subgroups : Sodic Aquicambids, Durinodic Xeric Aquicambids, Durinodic Aquicambids, Petronodic Aquicambids, Vitrixerandic Aquicambids, Vitrandic Aquicambids, Fluventic Aquicambids, Xeric Aquicambids, Ustic Aquicambids, Typic Aquicambids, Sodic Petrocambids, Vitrixerandic Petrocambids, Vitrandic Petrocambids, Xeric Petrocambids, Ustic Petrocambids, Typic Petrocambids, Typic Anthracambids, Lithic Xeric Haplocambids, Lithic Ustic Haplocambids, Lithic Haplocambids, Xerertic Haplocambids, Ustertic Haplocambids, Ustertic Haplocambids, Vertic Haplocambids, Durinodic Xeric Haplocambids, Durinodic Haplocambids, Petronodic Xeric Haplocambids, Petronodic Ustic Haplocambids, Petronodic Haplocambids, Sodic Xeric Haplocambids, Sodic Ustic Haplocambids, Sodic Haplocambids, Vitrixerandic Haplocambids, Vitrandic Haplocambids, Xerofluventic

Haplocambids,

Ustifluventic

Haplocambids,

Fluventic

Haplocambids, Xeric Haplocambids, Ustic Haplocambids, Typic Haplocambids. •

Entisol

Sub Ordo : - Wassents Key to Great Groups : Frasiwassents, Psammowassents, Sulfiwassents, Hydrowassents, Fluviwassents, Haplowassents. Key to Subgroups : Hydric Frasiwassents, Lithic Frasiwassents, Psammentic Frasiwassents, Thapto-Histic Frasiwassents, Fluventic Frasiwassents, Aeric Frasiwassents,

Typic

Frasiwassents,

Sulfic

Psammowassents,

Lithic


Psammowassents, Fluventic Psammowassents, Aeric Psammowassents, Typic Psammowassents, Lithic Sulfiwassents, Haplic Sulfiwassents, Thapto-Histic Sulfiwassents, Fluventic Sulfiwassents, Aeric Sulfiwassents, Typic Sulfiwassents, Sulfic

Hydrowassents,

Grossic

Hydrowassents,

Lithic

Hydrowassents,

Thapto-Histic Hydrowassents, Typic Hydrowassents, Sulfic Fluviwassents, Lithic Fluviwassents, Fluviwassents,

Thapto-Histic Sulfic

Fluviwassents,

Haplowassents,

Aeric

Lithic

Fluviwassents, Haplowassents,

Typic Aeric

Haplowassents, Typic Haplowassents. - Aquents Key to Great Groups : Sulfaquents, Hydraquents, Gelaquents, Cryaquents, Psammaquents, Fluvaquents, Epiaquents, Endoaquents. Key to Subgroups : Haplic Sulfaquents, Histic Sulfaquents, Thapto-Histic Sulfaquents, Typic Sulfaquents, Sulfic Hydraquents, Sodic Hydraquents, Thapto-Histic Hydraquents, Typic Hydraquents, Typic Gelaquents, Aquandic Cryaquents, Typic Cryaquents, Lithic Psammaquents, Sodic Psammaquents, Spodic Psammaquents, Humaqueptic Psammaquents, Mollic Psammaquents, Typic Psammaquents, Sulfic Fluvaquents, Vertic Fluvaquents, Thapto-Histic Fluvaquents,

Aquandic

Fluvaquents,

Aeric

Fluvaquents,

Humaqueptic

Fluvaquents, Mollic Fluvaquents, Typic Fluvaquents, Aeric Epiaquents, Humaqueptic

Epiaquents,

Mollic

Epiaquents,

Typic

Epiaquents,

Sulfic

Endoaquents, Lithic Endoaquents, Sodic Endoaquents, Aeric Endoaquents, Humaqueptic Endoaquents, Mollic Endoaquents, Typic Endoaquents. - Arents Key to Great Groups : Ustarents, Xerarents, Torriarents, Udarents.


Key to Subgroups : Haplic Ustarents, Sodic Xerarents, Duric Xerarents, Alfic Xerarents, Haplic Xerarents, Sodic Torriarents, Duric Torriarents, Haplic Torriarents, Alfic Udarents, Ultic Udarents, Mollic Udarents, Haplic Udarents. - Psamments Key to Great Groups : Cryopsamments, Torripsamments, Quartzipsamments, Ustipsamments, Xeropsamments, Udipsamments. Key to Subgroups : Lithic Cryopsamments, Aquic Cryopsamments, Oxyaquic Cryopsamments, Vitrandic Cryopsamments, Spodic Cryopsamments, Lamellic Cryopsamments, Typic Cryopsamments, Lithic Torripsamments, Oxyaquic Torripsamments, Vitrandic Torripsamments, Haploduridic Torripsamments, Ustic Torripsamments,

Xeric

Torripsamments,

Rhodic

Torripsamments,

Typic

Torripsamments, Lithic Quartzipsamments, Aquodic Quartzipsamments, Aquic Quartzipsamments, Oxyaquic Quartzipsamments, Ustoxic Quartzipsamments, Udoxic

Quartzipsamments,

Plinthic

Quartzipsamments,

Lamellic

Ustic

Quartzipsamments, Lamellic Quartzipsamments, Ustic Quartzipsamments, Xeric Quartzipsamments, Spodic Quartzipsamments, Typic Quartzipsamments, Lithic Ustipsamments, Aquic Ustipsamments, Oxyaquic Ustipsamments, Aridic Ustipsamments,

Lamellic

Ustipsamments,

Rhodic

Ustipsamments,

Typic

Ustipsamments, Lithic Xeropsamments, Aquic Durinodic Xeropsamments, Oxyaquic

Xeropsamments,

Vitrandic

Xeropsamments,

Durinodic

Xeropsamments, Lamellic Xeropsamments, Dystric Xeropsamments, Typic Xeropsamments,

Lithic

Udipsamments,

Aquic

Udipsamments,

Oxyaquic

Udipsamments, Spodic Udipsamments, Lamellic Udipsamments, Plagganthreptic Udipsamments, Typic Udipsamments.


- Fluvents Key to Great Groups : Gelifluvents, Cryofluvents, Xerofluvents, Ustifluvents, Torrifluvents, Udifluvents. Key to Subgroups : Aquic Gelifluvents, Typic Gelifluvents, Andic Cryofluvents, Vitrandic Cryofluvents, Aquic Cryofluvents, Oxyaquic Cryofluvents, Mollic Cryofluvents, Typic Cryofluvents, Vertic Xerofluvents, Aquandic Xerofluvents, Andic Xerofluvents, Vitrandic Xerofluvents, Aquic Xerofluvents, Oxyaquic Xerofluvents, Durinodic Xerofluvents, Mollic Xerofluvents, Typic Xerofluvents, Aquertic Ustifluvents, Torrertic Ustifluvents, Vertic Ustifluvents, Anthraquic Ustifluvents, Aquic Ustifluvents, Oxyaquic Ustifluvents, Aridic Ustifluvents, Udic Ustifluvents, Mollic Ustifluvents, Typic Ustifluvents, Ustertic Torrifluvents, Vertic Torrifluvents, Vitrixerandic Torrifluvents, Vitrandic Torrifluvents, Aquic Torrifluvents, Oxyaquic Torrifluvents, Duric Xeric Torrifluvents, Duric Torrifluvents, Ustic Torrifluvents, Xeric Torrifluvents, Anthropic Torrifluvents, Typic Torrifluvents, Aquertic Udifluvents, Vertic Udifluvents, Andic Udifluvents, Vitrandic Udifluvents, Aquic Udifluvents, Oxyaquic Udifluvents, Mollic Udifluvents, Typic Udifluvents. - Orthents Key to Great Groups : Gelorthents, Cryorthents, Torriorthents, Xerorthents, Ustorthents, Udorthents. Key to Subgroups : Aquic Gelorthents, Oxyaquic Gelorthents, Typic Gelorthents, Lithic Cryorthents, Vitrandic Cryorthents, Aquic Cryorthents, Oxyaquic Cryorthents, Lamellic Cryorthents, Typic Cryorthents, Lithic Ustic Torriorthents, Lithic Xeric Torriorthents, Lithic Torriorthents, Xerertic Torriorthents, Ustertic


Torriorthents, Vertic Torriorthents, Vitrandic Torriorthents, Aquic Torriorthents, Oxyaquic Torriorthents,

Duric Torriorthents,

Ustic Torriorthents,

Xeric

Torriorthents, Typic Torriorthents, Lithic Xerorthents, Vitrandic Xerorthents, Aquic Xerorthents, Oxyaquic Xerorthents, Durinodic Xerorthents, Dystric Xerorthents, Typic Xerorthents, Aridic Lithic Ustorthents, Lithic Ustorthents, Torrertic Ustorthents, Vertic Ustorthents, Anthraquic Ustorthents, Aquic Ustorthents,

Oxyaquic

Ustorthents,

Durinodic

Ustorthents,

Vitritorrandic

Ustorthents, Vitrandic Ustorthents, Aridic Ustorthents, Udic Ustorthents, Vermic Ustorthents, Typic Ustorthents, Lithic Udorthents, Vitrandic Udorthents, Aquic Udorthents, Oxyaquic Udorthents, Vermic Udorthents, Typic Udorthents. •

Gellisol

Sub Ordo : - Histels Key to Great Groups : Folistels, Glacistels, Fibristels, Hemistels, Sapristels. Key to Subgroups : Lithic Folistels, Glacic Folistels, Typic Folistels, Hemic Glacistels, Sapric Glacistels, Typic Glacistels, Lithic Fibristels, Terric Fibristels, Fluvaquentic Fibristels, Sphagnic Fibristels, Typic Fibristels, Lithic Hemistels, Terric Hemistels, Fluvaquentic Hemistels, Typic Hemistels, Lithic Sapristels, Terric Sapristels, Fluvaquentic Sapristels, Typic Sapristels. - Turbels Key to Great Groups : Histoturbels, Aquiturbels, Anhyturbels, Molliturbels, Umbriturbels, Psammoturbels, Haploturbels.


Key to Subgroups : Lithic Histoturbels, Glacic Histoturbels, Ruptic Histoturbels, Typic Histoturbels, Lithic Aquiturbels, Glacic Aquiturbels, Sulfuric Aquiturbels, Ruptic-Histic Aquiturbels, Psammentic Aquiturbels, Typic Aquiturbels, Lithic Anhyturbels, Glacic Anhyturbels, Petrogypsic Anhyturbels, Gypsic Anhyturbels, Nitric Anhyturbels, Salic Anhyturbels, Calcic Anhyturbels, Typic Anhyturbels, Lithic Molliturbels, Glacic Molliturbels, Vertic Molliturbels, Andic Molliturbels, Vitrandic Molliturbels, Folistic Molliturbels, Cumulic Molliturbels, Aquic Molliturbels, Typic Molliturbels, Lithic Umbriturbels, Glacic Umbriturbels, Vertic Umbriturbels, Andic Umbriturbels, Vitrandic Umbriturbels, Folistic Umbriturbels, Cumulic Umbriturbels, Aquic Umbriturbels, Typic Umbriturbels, Lithic Psammoturbels, Glacic Psammoturbels, Spodic Psammoturbels, Typic Psammoturbels, Lithic Haploturbels, Glacic Haploturbels, Folistic Haploturbels, Aquic Haploturbels, Typic Haploturbels. - Orthels Key to Great Groups : Historthels, Aquorthels, Anhyorthels, Mollorthels, Umbrorthels, Argiorthels, Psammorthels, Haplorthels. Key to Subgroups : Lithic Historthels, Glacic Historthels, Fluvaquentic Historthels, Fluventic Historthels, Ruptic Historthels, Typic Historthels, Lithic Aquorthels, Glacic Aquorthels, Sulfuric Aquorthels, Ruptic-Histic Aquorthels, Andic Aquorthels, Vitrandic Aquorthels, Salic Aquorthels, Psammentic Aquorthels, Fluvaquentic Aquorthels, Typic Aquorthels, Lithic Anhyorthels, Glacic Anhyorthels, Petrogypsic Anhyorthels, Gypsic Anhyorthels, Nitric Anhyorthels, Salic Anhyorthels, Calcic Anhyorthels, Typic Anhyorthels, Lithic Mollorthels, Glacic Mollorthels, Vertic Mollorthels, Andic Mollorthels, Vitrandic


Mollorthels, Folistic Mollorthels, Cumulic Mollorthels, Aquic Mollorthels, Typic Mollorthels, Lithic Umbrorthels, Glacic Umbrorthels, Vertic Umbrorthels, Andic Umbrorthels, Vitrandic Umbrorthels, Folistic Umbrorthels, Cumulic Umbrorthels, Aquic Umbrorthels, Typic Umbrorthels, Lithic Argiorthels, Glacic Argiorthels, Natric Argiorthels, Typic Argiorthels, Lithic Psammorthels, Glacic Psammorthels, Spodic

Psammorthels,

Typic

Psammorthels,

Lithic

Haplorthels,

Glacic

Haplorthels, Fluvaquentic Haplorthels, Folistic Haplorthels, Aquic Haplorthels, Fluventic Haplorthels, Typic Haplorthels. •

Histosol

Sub Ordo : - Folists Key to Great Groups : Cryofolists, Torrifolists, Ustifolists, Udifolists. Key to Subgroups : Lithic Cryofolists, Typic Cryofolists, Lithic Torrifolists, Typic Torrifolists, Lithic Ustifolists, Typic Ustifolists, Lithic Udifolists, Typic Udifolists. - Wassists Key to Great Groups : Frasiwassists, Sulfiwassists, Haplowassists. Key to Subgroups : Fibric Frasiwassists, Sapric Frasiwassists, Typic Frasiwassists, Sulfic Haplowassists, Fibric Haplowassists, Sapric Haplowassists, Typic Haplowassists. - Fibrists Key to Great Groups : Cryofibrists, Sphagnofibrists, Haplofibrists.


Key to Subgroups : Hydric Cryofibrists, Lithic Cryofibrists, Terric Cryofibrists, Fluvaquentic Cryofibrists, Sphagnic Cryofibrists, Typic Cryofibrists, Hydric Sphagnofibrists,

Lithic

Sphagnofibrists,

Limnic

Sphagnofibrists,

Terric

Sphagnofibrists, Fluvaquentic Sphagnofibrists, Hemic Sphagnofibrists, Typic Sphagnofibrists, Hydric Haplofibrists, Lithic Haplofibrists, Limnic Haplofibrists, Terric Haplofibrists, Fluvaquentic Haplofibrists, Hemic Haplofibrists, Typic Haplofibrists. - Saprists Key to Great Groups : Sulfosaprists, Sulfisaprists, Cryosaprists, Haplosaprists. Key to Subgroups : Typic Sulfosaprists, Terric Sulfisaprists, Typic Sulfisaprists, Lithic Cryosaprists, Limnic Cryosaprists, Terric Cryosaprists, Fluvaquentic Cryosaprists, Typic Cryosaprists, Liptic Haplosaprists, Limnic Haplosaprists, Halic

Terric

Haplosaprists,

Halic

Haplosaprists,

Terric

Haplosaprists,

Fluvaquentic Haplosaprists, Hemic Haplosaprists, Typic Haplosaprists. - Hemists Key to Great Groups : Sulfohemists, Sulfihemists, Luvihemists, Cryohemists, Haplohemists. Key to Subgroups : Typic Sulfohemists, Terric Sulfihemists, Typic Sulfihemists, Typic Luvihemists, Lithic Cryohemists, Limnic Cryohemists, Terric Cryohemists, Fluvaquentic Cryohemists, Typic Cryohemists, Hydric Haplohemists, Lythic Haplohemists,

Lymnic

Haplohemists,

Terric

Haplohemists,

Fluvaquentic

Haplohemists, Fibric Haplohemists, Sapric Haplohemists, Typic Haplohemists.


•

Inceptisol

Sub Ordo : - Aquepts Key to Great Groups : Sulfaquepts, Petraquepts, Halaquepts, Fragiaquepts, Gelaquepts, Cryaquepts, Vermaquepts, Humaquepts, Epiaquepts, Endoaquepts. Key to Subgroups : Salidic Sulfaquepts, Hydraquentic Sulfaquepts, Typic Sulfaquepts, Histic Placic Petraquepts, Placic Petraquepts, Plinthic Petraquepts, Typic Petraquepts, Vertic Halaquepts, Aquandic Halaquepts, Duric Halaquepts, Aeric Halaquepts, Typic Halaquepts, Aeric Fragiaquepts, Humic Fragiaquepts, Typic Fragiaquepts, Lithic Gelaquepts, Histic Gelaquepts, Aquandic Gelaquepts, Fluvaquentic Gelaquepts, Humic Gelaquepts, Turbic Gelaquepts, Typic Gelaquepts, Sulfic Cryaquepts, Histic Lithic Cryaquepts, Lithic Cryaquepts, Vertic Cryaquepts, Histic Cryaquepts, Aquandic Cryaquepts, Fluvaquentic Cryaquepts, Aeric Humic Cryaquepts, Aeric Cryaquepts, Humic Cryaquepts, Typic Cryaquepts, Sodic Vermaquepts, Typic Vermaquepts, Hydraquentic Humaquepts, Histic Humaquepts, Aquandic Humaquepts, Cumulic Humaquepts, Fluvaquentic Humaquepts, Aeric Humaquepts, Typic Humaquepts, Vertic Epiaquepts, Aquandic Epiaquepts, Fluvaquentic Epiaquepts, Fragic Epiaquepts, Aeric Epiaquepts, Humic Epiaquepts, Mollic Epiaquepts, Typic Epiaquepts, Sulfic Endoaquepts, Lithic Endoaquepts, Vertic Endoaquepts, Aquandic Endoaquepts,

Fluventic

Endoaquepts,

Fluvaquentic

Endoaquepts,

Fragic

Endoaquepts, Aeric Endoaquepts, Humic Endoaquepts, Mollic Endoaquepts, Typic Endoaquepts.


- Anthrepts Key to Great Groups : Plagganthrepts, Haplanthrepts. Key to Subgroups : Typic Plagganthrepts, Typic Haplanthrepts. - Gelepts Key to Great Groups : Humigelepts, Dystrogelepts, Haplogelepts. Key to Subgroups : Lithic Humigelepts, Andic Humigelepts, Aquic Humigelepts, Oxyaquic Humigelepts, Fluventic Humigelepts, Turbic Humigelepts, Eutric Humigelepts, Typic Humigelepts, Lithic Dystrogelepts, Andic Dystrogelepts, Aquic Dystrogelepts, Fluventic Dystrogelepts, Turbic Dystrogelepts, Typic Dystrogelepts, Lithic Haplogelepts, Andic Haplogelepts, Aquic Haplogelepts, Fluventic Haplogelepts, Turbic Haplogelepts, Typic Haplogelepts. - Cryepts Key to Great Groups : Humicryepts, Calcicryepts, Dystrocryepts, Haplocryepts. Key to Subgroups : Lithic Humicryepts, Aquandic Humicryepts, Haploxerandic Humicryepts,

Vitrixerandic

Humicryepts,

Andic

Humicryepts,

Vitrandic

Humicryepts,

Fluvaquentic

Humicryepts,

Aquic

Humicryepts,

Oxyaquic

Humicryepts,

Lamellic

Humicryepts,

Fluventic

Humicryepts,

Spodic

Humicryepts, Xeric Humicryepts, Eutric Humicryepts, Typic Humicryepts, Lithic Calcicryepts, Oxyaquic Calcicryepts, Xeric Calcicryepts, Ustic Calcicryepts, Typic Calcicryepts, Lithic Dystrocryepts, Aquandic Dystrocryepts, Haploxerandic Dystrocryepts, Vitrixerandic Dystrocryepts, Andic Dystrocryepts, Vitrandic Dystrocryepts, Fluvaquentic Dystrocryepts, Folistic Dystrocryepts, Aquic Dystrocryepts, Oxyaquic Dystrocryepts, Lamellic Dystrocryepts, Fluventic


Dystrocryepts, Spodic Dystrocryepts, Xeric Dystrocryepts, Ustic Dystrocryepts, Eutric Dystrocryepts, Typic Dystrocryepts, Lithic Haplocryepts, Aquandic Haplocryepts,

Haploxerandic

Haplocryepts,

Vitrixerandic

Haplocryepts,

Haplustandic Haplocryepts, Ustivitrandic Haplocryepts, Andic Haplocryepts, Vitrandic Haplocryepts, Fluvaquentic Haplocryepts, Aquic Haplocryepts, Oxyaquic Haplocryepts, Lamellic Haplocryepts, Fluventic Haplocryepts, Calcic Haplocryepts, Xeric Haplocryepts, Ustic Haplocryepts, Typic Haplocryepts. - Ustepts Key to Great Groups : Durustepts, Calciustepts, Humustepts, Dystrustepts, Haplustepts. Key to Subgroups : Typic Durustepts, Lithic Petrocalcic Calciustepts, Lithic Calciustepts, Torrertic Calciustepts, Vertic Calciustepts, Petrocalcic Calciustepts, Gypsic Calciustepts, Aquic Calciustepts, Aridic Calciustepts, Udic Calciustepts, Typic Calciustepts, Lithic Humustepts, Andic Humustepts, Vitrandic Humustepts, Oxyaquic Humustepts, Oxic Humustepts, Aridic Humustepts, Typic Humustepts, Lithic

Dystrustepts,

Torrertic

Dystrustepts,

Vertic

Dystrustepts,

Andic

Dystrustepts, Vitrandic Dystrustepts, Aquic Dystrustepts, Fluventic Dystrustepts, Aridic Dystrustepts, Oxic Dystrustepts, Humic Dystrustepts, Typic Dystrustepts, Aridic Lithic Haplustepts, Lithic Haplustepts, Udertic Haplustepts, Torrertic Haplustepts, Vertic Haplustepts, Andic Haplustepts, Vitrandic Haplustepts, Anthraquic Haplustepts, Aquic Haplustepts, Oxyaquic Haplustepts, Oxic Haplustepts, Lamellic Haplustepts, Torrifluventic Haplustepts, Udifluventic Haplustepts,

Fluventic

Haplustepts,

Gypsic

Haplustepts,

Haplocalcidic


Haplustepts, Calcic Udic Haplustepts, Calcic Haplustepts, Aridic Haplustepts, Dystric Haplustepts, Udic Haplustepts, Typic Haplustepts. - Xerepts Key to Great Groups : Durixerepts, Fragixerepts, Humixerepts, Calcixerepts, Dystroxerepts, Haploxerepts. Key to Subgroups : Aquandic Durixerepts, Andic Durixerepts, Vitrandic Durixerepts, Aquic Durixerepts, Entic Durixerepts, Typic Durixerepts, Andic Fragixerepts, Vitrandic Fragixerepts, Aquic Fragixerepts, Humic Fragixerepts, Typic Fragixerepts, Lithic Humixerepts, Aquandic Humixerepts, Andic Humixerepts,

Vitrandic

Humixerepts,

Aquic

Humixerepts,

Oxyaquic

Humixerepts, Cumulic Humixerepts, Fluventic Humixerepts, Pachic Humixerepts, Entic Humixerepts, Typic Humixerepts, Lithic Calcixerepts, Vertic Calcixerepts, Petrocalcic Calcixerepts, Sodic Calcixerepts, Vitrandic Calcixerepts, Aquic Calcixerepts, Dystroxerepts,

Typic

Calcixerepts,

Aquandic

Humic

Dystroxerepts,

Lithic

Andic

Dystroxerepts,

Dystroxerepts,

Lithic

Vitrandic

Dystroxerepts, Fragiaquic Dystroxerepts, Fluvaquentic Dystroxerepts, Aquic Dystroxerepts, Oxyaquic Dystroxerepts, Fragic Dystroxerepts, Fluventic Humic Dystroxerepts, Dystroxerepts,

Fluventic Humic

Dystroxerepts,

Lithic

Humic

Haploxerepts,

Lithic

Dystroxerepts,

Typic

Haploxerepts,

Vertic

Haploxerepts, Aquandic Haploxerepts, Andic Haploxerepts, Andic Oxyaquic Haploxerepts, Andic Haploxerepts, Oxyaquic Vitrandic Haploxerepts, Vitrandic Haploxerepts, Gypsic Haploxerepts, Aquic Haploxerepts, Lamellic Haploxerepts, Fragic Haploxerepts, Fluventic Haploxerepts, Calcic Haploxerepts, Humic Haploxerepts, Typic Haploxerepts.


- Udepts Key to Great Groups : Sulfudepts, Durudepts, Fragiudepts, Humudepts, Eutrudepts, Dystrudepts. Key to Subgroups : Typic Sulfudepts, Aquandic Durudepts, Andic Durudepts, Vitrandic Durudepts, Aquic Durudepts, Typic Durudepts, Andic Fragiudepts, Vitrandic Fragiudepts, Aquic Fragiudepts, Humic Fragiudepts, Typic Fragiudepts, Lithic Humudepts, Vertic Humudepts, Aquandic Humudepts, Andic Oxyaquic Humudepts, Andic Humudepts, Vitrandic Humudepts, Fluvaquentic Humudepts, Aquic Humudepts, Oxyaquic Humudepts, Psammentic Humudepts, Oxic Humudepts, Cumulic Humudepts, Fluventic Humudepts, Pachic Humudepts, Eutric Humudepts, Entic Humudepts, Typic Humudepts, Humic Lithic Eutrudepts, Lithic Eutrudepts, Aquertic Eutrudepts, Vertic Eutrudepts, Andic Eutrudepts, Vitrandic Eutrudepts, Anthraquic Eutrudepts, Fragiaquic Eutrudepts, Fluvaquentic Eutrudepts, Aquic Dystric Eutrudepts, Aquic Eutrudepts, Oxyaquic Eutrudepts, Fragic Eutrudepts, Lamellic Eutrudepts, Dystric Fluventic Eutrudepts, Fluventic Eutrudepts, Arenic Eutrudepts, Dystric Eutrudepts, Rendollic Eutrudepts, Ruptic-Alfic Eutrudepts, Humic Eutrudepts, Typic Eutrudepts, Humic Lithic

Dystrudepts,

Lithic

Dystrudepts,

Vertic

Dystrudepts,

Aquandic

Dystrudepts, Andic Oxyaquic Dystrudepts, Andic Dystrudepts, Vitrandic Dystrudepts, Fragiaquic Dystrudepts, Fluvaquentic Dystrudepts, Aquic Humic Dystrudepts, Aquic Dystrudepts, Oxyaquic Dystrudepts, Fragic Dystrudepts, Lamellic Dystrudepts, Humic Psammentic Dystrudepts, Fluventic Humic Dystrudepts, Fluventic Dystrudepts, Spodic Dystrudepts, Oxic Dystrudepts,


Ruptic-Alfic Dystrudepts, Ruptic-Ultic Dystrudepts, Humic Dystrudepts, Typic Dystrudepts. •

Mollisol

Sub Ordo : - Albolls Key to Great Groups : Natralbolls, Argialbolls. Key to Subgroups : Leptic Natralbolls, Typic Natralbolls, Xerertic Argialbolls, Vertic Argialbolls, Argiaquic Xeric Argialbolls, Argiaquic Argialbolls, Xeric Argialbolls, Aquandic Argialbolls, Typic Argialbolls. - Aquolls Key to Great Groups : Cryaquolls, Duraquolls, Natraquolls, Calciaquolls, Argiaquolls, Epiaquolls, Endoaquolls. Key to Subgroups : Vertic Cryaquolls, Histic Cryaquolls, Thapto-Histic Cryaquolls, Aquandic Cryaquolls, Argic Cryaquolls, Calcic Cryaquolls, Cumulic Cryaquolls, Typic Cryaquolls, Natric Duraquolls, Vertic Duraquolls, Argic Duraquolls, Typic Duraquolls, Vertic Natraquolls, Glossic Natraquolls, Typic Natraquolls, Petrocalcic Calciaquolls, Aeric Calciaquolls, Typic Calciaquolls, Arenic Argiaquolls, Grossarenic Argiaquolls, Vertic Argiaquolls, Abruptic Argiaquolls, Typic Argiaquolls, Cumulic Vertic Epiaquolls, Fluvaquentic Vertic Epiaquolls, Vertic Epiaquolls, Histic Epiaquolls, Thapto-Histic Epiaquolls, Aquandic Epiaquolls, Duric Epiaquolls, Cumulic Epiaquolls, Fluvaquentic Epiaquolls, Typic Epiaquolls, Lithic Endoaquolls, Cumulic Vertic Endoaquolls, Fluvaquentic Vertic Endoaquolls, Vertic Endoaquolls, Histic Endoaquolls,


Thapto-Histic Endoaquolls, Aquandic Endoaquolls, Duric Endoaquolls, Cumulic Endoaquolls, Fluvaquentic Endoaquolls, Typic Endoaquolls. - Rendolls Key to Great Groups : Cryrendolls, Haprendolls. Key to Subgroups : Lithic Cryrendolls, Typic Cryrendolls, Lithic Haprendolls, Vertic Haprendolls, Inceptic Haprendolls, Entic Haprendolls, Typic Haprendolls. - Gelolls Key to Great Groups : Haplogellols. Key to Subgroups : Lithic Haplogellols, Andic Haplogellols, Aquic Haplogellols, Oxyaquic Haplogellols, Turbic Haplogellols, Cumulic Haplogellols, Typic Haplogellols. - Cryolls Key to Great Groups : Duricryolls, Natricryolls, Palecryolls, Argicryolls, Calcicryolls, Haplocryolls. Key to Subgroups : Argic Duricryolls, Calcic Duricryolls, Typic Duricryolls, Typic

Natricryolls,

Aquic

Palecryolls,

Oxyaquic

Palecryolls,

Abruptic

Palecryolls, Pachic Palecryolls, Ustic Palecryolls, Xeric Palecryolls, Typic Palecryolls, Lithic Argicryolls, Vertic Argicryolls, Andic Argicryolls, Vitrandic Argicryolls, Abruptic Argicryolls, Aquic Argicryolls, Oxyaquic Argicryolls, Calcic Pachic Argicryolls, Pachic Argicryolls, Calcic Argicryolls, Alfic Argicryolls, Ustic Argicryolls, Xeric Argicryolls, Typic Argicryolls, Lithic Calcicryolls, Vitrandic Calcicryolls, Petrocalcic Calcicryolls, Pachic Calcicryolls, Ustic Calcicryolls, Xeric Calcicryolls, Typic Calcicryolls, Lithic Haplocryolls,


Vertic Haplocryolls, Andic Haplocryolls, Vitrandic Haplocryolls, Aquic Cumulic Haplocryolls,

Cumulic

Haplocryolls,

Fluvaquentic

Haplocryolls,

Aquic

Haplocryolls, Oxyaquic Haplocryolls, Calcic Pachic Haplocryolls, Pachic Haplocryolls, Fluventic Haplocryolls, Calcic Haplocryolls, Ustic Haplocryolls, Xeric Haplocryolls, Typic Haplocryolls. - Xerolls Key to Great Groups : Durixerolls, Natrixerolls, Pallexerolls, Calcixerolls, Argixerolls, Haploxerolls. Key to Subgroups : Vertic Durixerolls, Vitritorrandic Durixerolls, Vitrandic Durixerolls, Aquic Durixerolls, Paleargidic Durixerolls, Abruptic Argiduridic Durixerolls, Cambidic Durixerolls, Haploduridic Durixerolls, Argidic Durixerolls, Argiduridic Durixerolls, Haplic Palexerollic Durixerolls, Palexerollic Durixerolls, Haplic Haploxerollic Durixerolls, Haploxerollic Durixerolls, Haplic Durixerolls, Typic Durixerolls, Vertic Natrixerolls, Aquic Duric Natrixerolls, Aquic Natrixerolls, Aridic Natrixerolls, Duric Natrixerolls, Typic Natrixerolls, Vertic Pallexerolls, Vitrandic Pallexerolls, Aquic Pallexerolls, Pachic Pallexerolls, Petrocalcidic Pallexerolls, Duric Pallexerolls, Aridic Pallexerolls, Petrocalcic Pallexerolls, Ultic Pallexerolls, Haplic Pallexerolls, Typic Pallexerolls, Aridic Lithic Calcixerolls, Lithic Calcixerolls, Vertic Calcixerolls, Aquic Calcixerolls, Oxyaquic Calcixerolls, Pachic Calcixerolls, Vitrandic Calcixerolls, Aridic Calcixerolls, Vermic Calcixerolls, Typic Calcixerolls, Aridic Lithic Argixerolls, Lithic Argixerolls, Ultic Argixerolls, Lithic Argixerolls, Torrertic Argixerolls, Vertic Argixerolls, Andic Argixerolls, Vitritorrandic Argixerolls, Vitrandic Argixerolls, Aquultic Argixerolls, Aquic Argixerolls, Oxyaquic Argixerolls, Alfic


Argixerolls, Calcic Pachic Argixerolls, Pachic Ultic Argixerolls, Pachic Argixerolls, Argiduridic Argixerolls, Duric Argixerolls, Calciargidic Argixerolls, Aridic Argixerolls, Calcic Argixerolls, Ultic Argixerolls, Typic Argixerolls, Aridic Lithic Haploxerolls, Lithic Ultic Haploxerolls, Lithic Haploxerolls, Torrertic Haploxerolls, Vertic Haploxerolls, Andic Haploxerolls, Vitritorrandic Haploxerolls, Vitrandic Haploxerolls, Aquic Cumulic Haploxerolls, Cumulic Ultic Haploxerolls, Cumulic Haploxerolls, Fluvaquentic Haploxerolls, Aquic Duric Haploxerolls, Aquultic Haploxerolls, Aquic Haploxerolls, Oxyaquic Haploxerolls, Calcic Pachic Haploxerolls, Pachic Ultic Haploxerolls, Pachic Haploxerolls, Torrifluventic Haploxerolls, Duridic Haploxerolls, Calcidic Haploxerolls, Torripsammentic Haploxerolls, Torriorthentic Haploxerolls, Aridic Haploxerolls,

Duric

Haploxerolls,

Psammentic

Haploxerolls,

Fluventic

Haploxerolls, Vermic Haploxerolls, Calcic Haploxerolls, Entic Ultic Haploxerolls, Ultic Haploxerolls, Entic Haploxerolls, Typic Haploxerolls. - Ustolls Key to Great Groups : Durustolls, Natrustolls, Calciustolls, Paleustolls, Argiustolls, Vermustolls, Haplustolls. Key to Subgroups : Natric Durustolls, Haploduridic Durustolls, Argiduridic Durustolls, Entic Durustolls, Haplic Durustolls, Typic Durustolls, Leptic Torrertic Natrustolls, Torrertic Natrustolls, Leptic Vertic Natrustolls, Glossic Vertic Natrustolls, Vertic Natrustolls, Aridic Leptic Natrustolls, Leptic Natrustolls, Aquic Natrustolls, Aridic Natrustolls, Duric Natrustolls, Glossic Natrustolls, Typic Natrustolls, Salidic Calciustolls, Lithic Petrocalcic Calciustolls, Lithic Calciustolls, Torrertic Calciustolls, Udertic Calciustolls, Vertic Calciustolls,


Petrocalcic Calciustolls, Gypsic Calciustolls, Aquic Calciustolls, Oxyaquic Calciustolls, Pachic Calciustolls, Aridic Calciustolls, Udic Calciustolls, Typic Calciustolls, Torrertic Paleustolls, Udertic Paleustolls, Vertic Paleustolls, Aquic Paleustolls, Pachic Paleustolls, Petrocalcic Paleustolls, Calcidic Paleustolls, Aridic Paleustolls, Udic Paleustolls, Udic Paleustolls, Calcic Paleustolls, Entic Paleustolls, Typic Paleustolls, Aridic Lithic Argiustolls, Alfic Lithic Argiustolls, Lithic Argiustolls, Aquertic Argiustolls, Torrertic Argiustolls, Pachic Udertic Argiustolls, Udertic Argiustolls, Pachic Vertic Argiustolls, Vertic Argiustolls, Andic Argiustolls, Vitritorrandic Argiustolls, Vitrandic Argiustolls, Aquic Argiustolls, Oxyaquic Argiustolls, Pachic Argiustolls, Alfic Argiustolls, Calcidic Argiustolls, Aridic Argiustolls, Udic Argiustolls, Duric Argiustolls, Typic Argiustolls, Lithic Vermustolls, Aquic Vermustolls, Pachic Vermustolls, Entic Vermustolls, Typic Vermustolls, Salidic Haplustolls, Ruptic-Lithic Haplustolls, Aridic Lithic Haplustolls, Lithic Haplustolls, Aquertic Haplustolls, Torrertic Haplustolls, Pachic Udertic Haplustolls, Udertic Haplustolls, Pachic Vertic Haplustolls, Vertic Haplustolls, Torroxic Haplustolls, Oxic Haplustolls, Andic Haplustolls, Vitritorrandic Haplustolls, Vitrandic Haplustolls, Aquic Cumulic Haplustolls,

Cumulic

Haplustolls,

Anthraquic

Haplustolls,

Fluvaquentic

Haplustolls, Aquic Haplustolls, Pachic Haplustolls, Oxyaquic Haplustolls, Torrifluventic Haplustolls, Torriorthentic Haplustolls, Aridic Haplustolls, Fluventic Haplustolls, Duric Haplustolls, Udorthentic Haplustolls, Udic Haplustolls, Entic Haplustolls, Typic Haplustolls.


- Udolls Key to Great Groups : Natrudolls, Calciudolls, Paleudolls, Argiudolls, Vermudolls, Hapludolls. Key to Subgroups : Petrocalcic Natrudolls, Leptic Vertic Natrudolls, Vertic Natrudolls, Leptic Natrudolls, Glossic Natrudolls, Calcic Natrudolls, Typic Natrudolls, Lithic Calciudolls, Vertic Calciudolls, Aquic Calciudolls, Fluventic Calciudolls, Typic Calciudolls, Vertic Paleudolls, Petrocalcic Paleudolls, Aquic Pachic Paleudolls, Pachic Paleudolls, Aquic Paleudolls, Oxyaquic Paleudolls, Calcic Paleudolls, Typic Paleudolls, Lithic Argiudolls, Aquertic Argiudolls, Oxyaquic Vertic Argiudolls, Alfic Vertic Argiudolls, Vertic Argiudolls, Andic Argiudolls, Vitrandic Argiudolls, Aquic Pachic Argiudolls, Pachic Argiudolls, Aquic Argiudolls, Oxyaquic Argiudolls, Lamellic Argiudolls, Psammentic Argiudolls, Arenic Argiudolls, Abruptic Argiudolls, Alfic Argiudolls, Oxic Argiudolls, Calcic Argiudolls, Typic Argiudolls,

Lithic Vermudolls, Haplic

Vermudolls, Typic Vermudolls, Lithic Hapludolls, Aquertic Hapludolls, Pachic Vertic Hapludolls, Vertic Hapludolls, Andic Hapludolls, Vitrandic Hapludolls, Aquic Cumulic Hapludolls, Cumulic Hapludolls, Fluvaquentic Hapludolls, Fluventic Hapludolls, Aquic Pachic Hapludolls, Pachic Hapludolls, Aquic Hapludolls, Oxyaquic Hapludolls, Vermic Hapludolls, Calcic Hapludolls, Entic Hapludolls, Typic Hapludolls. •

Oxisol

Sub Ordo : - Aquox Key to Great Groups : Acraquox, Plinthaquox, Eutraquox, Haplaquox.


Key to Subgroups : Plinthic Acraquox, Aeric Acraquox, Typic Acraquox, Aeric Plinthaquox, Typic Plinthaquox, Histic Eutraquox, Plinthic Eutraquox, Aeric Eutraquox, Humic Eutraquox, Typic Eutraquox, Histic Haplaquox, Plinthic Haplaquox, Aeric Haplaquox, Humic Haplaquox, Typic Haplaquox. - Torrox Key to Great Groups : Acrotorrox, Eutrotorrox, Haplotorrox. Key to Subgroups : Petroferric Acrotorrox, Lithic Acrotorrox, Typic Acrotorrox, Petroferric Eutrotorrox, Lithic Eutrotorrox, Typic Eutrotorrox, Petroferric Haplotorrox, Lithic Haplotorrox, Typic Haplotorrox. - Ustox Key to Great Groups : Sombriustox, Acrustox, Eutrustox, Kandiustox, Haplustox. Key to Subgroups : Petroferric Sombriustox, Lithic Sombriustox, Humic Sombriustox, Typic Sombriustox, Aquic Petroferric Acrustox, Petroferric Acrustox, Aquic Lithic Acrustox, Lithic Acrustox, Anionic Aquic Acrustox, Anionic Acrustox, Plinthic Acrustox, Aquic Acrustox, Eutric Acrustox, Humic Rhodic Acrustox, Humic Xanthic Acrustox, Humic Acrustox, Rhodic Acrustox, Xanthic Acrustox, Typic Acrustox, Aquic Petroferric Eutrustox, Petroferric Eutrustox, Aquic Lithic Eutrustox, Lithic Eutrustox, Plinthaquic Eutrustox, Plinthic Eutrustox, Aquic Eutrustox, Kandiustalfic Eutrustox, Humic Inceptic Eutrustox, Inceptic Eutrustox, Humic Rhodic Eutrustox, Humic Xanthic Eutrustox, Humic Eutrustox, Rhodic Eutrustox, Xanthic Eutrustox, Typic Eutrustox, Aquic Petroferric Kandiustox, Petroferric Kandiustox, Aquic Lithic Kandiustox, Lithic Kandiustox, Plinthaquic Kandiustox, Plinthic Kandiustox,


Aquic Kandiustox, Humic Rhodic Kandiustox, Humic Xanthic Kandiustox, Humic Kandiustox, Rhodic Kandiustox, Xanthic Kandiustox, Typic Kandiustox. - Perox Key to Great Groups : Sombriperox, Acroperox, Eutroperox, Kandiperox, Haploperox. Key to Subgroups : Petroferric Sombriperox, Lithic Sombriperox, Humic Sombriperox, Typic Sombriperox, Aquic Petroferric Acroperox, Petroferric Acroperox, Aquic Lithic Acroperox, Lithic Acroperox, Anionic Acroperox, Plinthic Acroperox, Aquic Acroperox, Humic Rhodic Acroperox, Humic Xanthic Acroperox, Humic Acroperox, Rhodic Acroperox, Xanthic Acroperox, Typic Acroperox, Aquic Petroferric Eutroperox, Petroferric Eutroperox, Aquic Lithic Eutroperox, Lithic Eutroperox, Plinthaquic Eutroperox, Plinthic Eutroperox, Aquic Eutroperox, Kandiudalfic Eutroperox, Humic Inceptic Eutroperox, Inceptic Eutroperox, Humic Rhodic Eutroperox, Humic Xanthic Eutroperox, Humic Eutroperox, Rhodic Eutroperox, Xanthic Eutroperox, Typic Eutroperox, Aquic Petroferric Kandiperox, Petroferric Kandiperox, Aquic Lithic Kandiperox, Lithic Kandiperox, Plinthaquic Kandiperox, Plinthic Kandiperox, Aquic Kandiperox, Andic Kandiperox, Humic Rhodic Kandiperox, Humic Xanthic Kandiperox, Humic Kandiperox, Rhodic Kandiperox, Xanthic Kandiperox, Typic Kandiperox, Aquic Petroferric Haploperox, Petroferric Haploperox, Aquic Lithic Haploperox, Lithic Haploperox, Plinthaquic Haploperox, Plinthic Haploperox, Aquic Haploperox, Andic Haploperox, Humic Rhodic Haploperox, Humic Xanthic Haploperox, Humic Haploperox, Rhodic Haploperox, Xanthic Haploperox, Typic Haploperox.


- Udox Key to Great Groups : Sombriudox, Acrudox, Eutrudox, Kandiudox, Hapludox. Key to Subgroups : Petroferric Sombriudox, Lithic Sombriudox, Humic Sombriudox, Typic Sombriudox, Aquic Petroferric Acrudox, Petroferric Acrudox, Aquic Lithic Acrudox, Lithic Acrudox, Anionic Aquic Acrudox, Anionic Acrudox, Plinthic Acrudox, Aquic Acrudox, Eutric Acrudox, Humic Rhodic Acrudox, Humic Xanthic Acrudox, Humic Acrudox, Rhodic Acrudox, Xanthic Acrudox, Typic Acrudox, Aquic Petroferric Eutrudox, Petroferric Eutrudox, Aquic Lithic Eutrudox, Lithic Eutrudox, Plinthaquic Eutrudox, Plinthic Eutrudox, Aquic Eutrudox, Kandiudalfic Eutrudox, Humic Inceptic Eutrudox, Inceptic Eutrudox, Humic Rhodic Eutrudox, Humic Xanthic Eutrudox, Humic Eutrudox, Rhodic Eutrudox, Xanthic Eutrudox, Typic Eutrudox, Aquic Petroferric Kandiudox, Petroferric Kandiudox, Aquic Lithic Kandiudox, Lithic Kandiudox, Plinthic Kandiudox, Aquic Kandiudox, Andic Kandiudox, Humic Rhodic Kandiudox, Humic Xanthic Kandiudox, Humic Kandiudox, Rhodic Kandiudox, Xanthic Kandiudox, Typic Kandiudox, Aquic Petroferric Hapludox, Petroferric Hapludox, Aquic Lithic Hapludox, Lithic Hapludox, Plinthaquic Hapludox, Plinthic Hapludox, Aquic Hapludox, Inceptic Hapludox, Andic Hapludox, Humic Rhodic Hapludox, Humic Xanthic Hapludox, Humic Hapludox, Rhodic Hapludox, Xanthic Hapludox, Typic Hapludox. •

Spodosol

Sub Ordo : - Aquods


Key to Great Groups : Cryaquods, Alaquods, Fragiaquods, Placaquods, Duraquods, Epiaquods, Endoaquods. Key to Subgroups : Lithic Cryaquods, Placic Cryaquods, Duric Cryaquods, Andic Cryaquods, Entic Cryaquods, Typic Cryaquods, Lithic Alaquods, Duric Alaquods, Histic Alaquods, Alfic Arenic Alaquods, Arenic Ultic Alaquods, Arenic Umbric Alaquods, Arenic Alaquods, Grossarenic Alaquods, Alfic Alaquods, Ultic Alaquods, Aeric Alaquods, Typic Alaquods, Histic, Plagganthreptic Fragiaquods, Argic Fragiaquods, Typic Fragiaquods, Andic Placaquods, Typic Placaquods, Histic Duraquods, Andic Duraquods, Typic Duraquods, Lithic Epiaquods, Histic Epiaquods, Andic Epiaquods, Alfic Epiaquods, Ultic Epiaquods, Umbric Epiaquods, Typic Epiaquods, Lithic Endoaquods, Histic Endoaquods, Andic Endoaquods, Argic Endoaquods, Umbric Endoaquods, Typic Endoaquods. - Gelods Key to Great Groups : Humigelods, Haplogelods. Key to Subgroups : Lithic Humigelods, Andic Humigelods, Aquic Humigelods, Turbic Humigelods, Typic Humigelods, Lithic Haplogelods, Andic Haplogelods, Aquic Haplogelods, Turbic Haplogelods, Typic Haplogelods. - Cryods Key to Great Groups : Placocryods, Duricryods, Humicryods, Haplocryods. Key to Subgroups : Andic Placocryods, Humic Placocryods, Typic Placocryods, Aquandic

Duricryods,

Andic

Duricryods,

Aquic

Duricryods,

Oxyaquic

Duricryods, Humic Duricryods, Typic Duricryods, Lithic Humicryods, Aquandic Humicryods, Andic Humicryods, Folistic Humicryods, Aquic Humicryods,


Oxyaquic Humicryods, Typic Humicryods, Lithic Haplocryods, Aquandic Haplocryods, Andic Haplocryods, Folistic Haplocryods, Aquic Haplocryods, Oxyaquic Haplocryods, Typic Haplocryods. - Humods Key to Great Groups : Placohumods, Durihumods, Fragihumods, Haplohumods. Key to Subgroups : Andic Placohumods, Typic Placohumods, Andic Durihumods, Typic

Durihumods,

Typic

Fragihumods,

Lithic

Haplohumods,

Andic

Haplohumods, Plagganthreptic Haplohumods, Typic Haplohumods. - Orthods Key to Great Groups : Placorthods, Durorthods, Fragiorthods, Alorthods, Haporthods. Key to Subgroups : Typic Placorthods, Andic Durorthods, Typic Durorthods, Aquic Fragiorthods, Alfic Oxyaquic Fragiorthods, Oxyaquic Fragiorthods, Plagganthreptic Fragiorthods, Alfic Fragiorthods, Ultic Fragiorthods, Entic Fragiorthods, Typic Fragiorthods, Oxyaquic Alorthods, Arenic Ultic Alorthods, Arenic Alorthods, Entic Grossarenic Alorthods, Entic Alorthods, Grossarenic Alorthods, Plagganthreptic Alorthods, Alfic Alorthods, Ultic Alorthods, Typic Alorthods •

Ultisol

Sub Ordo : - Aquults Key to Great Groups : Plinthaquults, Fragiaquults, Albaquults, Kandiaquults, Kanhaplaquults, Paleaquults, Umbraquults, Epiaquults, Endoaquults.


Key to Subgroups : Kandic Plinthaquults, Typic Plinthaquults, Aeric Plinthaquults, Plinthic Plinthaquults, Umbric Plinthaquults, Typic Plinthaquults, Vertic Albaquults, Kandic Albaquults, Aeric Albaquults, Typic Albaquults, Acraquoxic Kandiaquults, Arenic Plinthic Kandiaquults, Arenic Umbric Kandiaquults,

Arenic

Kandiaquults,

Grossarenic

Kandiaquults,

Plinthic

Kandiaquults, Aeric Kandiaquults, Umbric Kandiaquults, Typic Kandiaquults, Aquandic

Kanhaplaquults,

Kanhaplaquults,

Aeric

Plinthic

Kanhaplaquults,

Kanhaplaquults, Umbric

Aeric

Kanhaplaquults,

Umbric Typic

Kanhaplaquults, Vertic Paleaquults, Arenic Plinthic Paleaquults, Arenic Umbric Paleaquults, Arenic Paleaquults, Grossarenic Paleaquults, Plinthic Paleaquults, Aeric Paleaquults, Umbric Paleaquults, Typic Paleaquults, Plinthic Umbraquults, Typic Umbraquults, Vertic Epiaquults, Aeric Fragic Epiaquults, Arenic Epiaquults, Grossarenic Epiaquults, Fragic Epiaquults, Aeric Epiaquults, Typic Epiaquults, Arenic Endoaquults, Grossarenic Endoaquults, Aeric Endoaquults, Typic Endoaquults. - Humults Key to Great Groups : Sombrihumults, Plinthohumults, Kandihumults, Kanhaplohumults, Palehumults, Haplohumults. Key to Subgroups : Typic Sombrihumults, Typic Plinthohumults, Andic Ombroaquic Kandihumults, Ustandic Kandihumults, Andic Kandihumults, Aquic Kandihumults, Kandihumults,

Ombroaquic Xeric

Kandihumults,

Kandihumults,

Plinthic

Anthropic

Kandihumults, Kandihumults,

Ustic Typic

Kandihumults, Lithic Kanhaplohumults, Ustandic Kanhaplohumults, Andic Kanhaplohumults, Aquic Kanhaplohumults, Ombroaquic Kanhaplohumults, Ustic


Kanhaplohumults, Xeric Kanhaplohumults, Anthropic Kanhaplohumults, Typic Kanhaplohumults,

Aquandic

Palehumults,

Andic

Palehumults,

Aquic

Palehumults, Plinthic Palehumults, Oxyaquic Palehumults, Ustic Palehumults, Xeric Palehumults, Typic Palehumults, Lithic Haplohumults, Aquandic Haplohumults,

Aquic

Haplohumults,

Oxyaquic

Haplohumults,

Andic

Haplohumults,

Ustic

Haplohumults,

Plinthic

Haplohumults,

Xeric

Haplohumults, Typic Haplohumults. - Udults Key to Great Groups : Plinthudults, Fragiudults, Kandiudults, Kanhapludults, Paleudults, Rhodudults, Hapludults. Key to Subgroups : Typic Plinthudults, Arenic Fragiudults, Plinthaquic Fragiudults, Glossaquic Fragiudults, Aquic Fragiudults, Plinthic Fragiudults, Glossic Fragiudults, Humic Fragiudults, Typic Fragiudults, Arenic Plinthaquic Kandiudults, Aquic Arenic Kandiudults, Arenic Plinthic Kandiudults, Arenic Rhodic Kandiudults, Arenic Kandiudults, Grossarenic Plinthic Kandiudults, Grossarenic

Kandiudults,

Acrudoxic

Plinthic

Kandiudults,

Acrudoxic

Kandiudults, Plinthaquic Kandiudults, Aquandic Kandiudults, Andic Kandiudults, Aquic Kandiudults, Plinthic Kandiudults, Ombroaquic Kandiudults, Oxyaquic Kandiudults, Sombric Kandiudults, Rhodic Kandiudults, Typic Kandiudults, Lithic Kanhapludults, Plinthaquic Kanhapludults, Arenic Plinthic Kanhapludults, Arenic Kanhapludults, Acrudoxic Kanhapludults, Fragiaquic Kanhapludults, Andic Kanhapludults, Aquic Kanhapludults, Ombroaquic Kanhapludults, Oxyaquic Kanhapludults, Plinthic Kanhapludults, Fragic Kanhapludults, Rhodic Kanhapludults, Typic Kanhapludults, Vertic Paleudults, Spodic Paleudults,


Arenic Plinthaquic Paleudults, Aquic Arenic Paleudults, Anthraquic Paleudults, Plinthaquic Paleudults, Fragiaquic Paleudults, Aquic Paleudults, Oxyaquic Paleudults, Lamellic Paleudults, Arenic Plinthic Paleudults, Psammentic Paleudults, Grossarenic Plinthic Paleudults, Plinthic Paleudults, Arenic Rhodic Paleudults, Arenic Paleudults, Grossarenic Paleudults, Fragic Paleudults, Rhodic Paleudults, Typic Paleudults, Lithic Rhodudults, Psammentic Rhodudults, Typic Rhodudults, Lithic-Ruptic-Entic Hapludults, Lithic Hapludults, Vertic Hapludults, Fragiaquic Hapludults, Aquic Arenic Hapludults, Aquic Hapludults, Fragic Hapludults, Oxyaquic Hapludults, Lamellic Hapludults, Psammentic Hapludults, Arenic Hapludults, Grossarenic Hapludults, Inceptic Hapludults, Humic Hapludults, Typic Hapludults. - Ustults Key to Great Groups : Plinthustults, Kandiustults, Kanhaplustults, Paleustults, Rhodustults, Haplustults. Key to Subgroups : Haplic Plinthustults, Typic Plinthustults, Acrustoxic Kandiustults,

Aquic

Kandiustults,

Arenic

Plinthic

Kandiustults,

Arenic

Kandiustults, Udandic Kandiustults, Andic Kandiustults, Plinthic Kandiustults, Aridic Kandiustults, Aridic Kandiustults, Udic Kandiustults, Rhodic Kandiustults, Typic Kandiustults, Lithic Kanhaplustults, Acrustoxic Kanhaplustults, Aquic Kanhaplustults,

Arenic

Kanhaplustults,

Udandic

Kanhaplustults,

Andic

Kanhaplustults, Plinthic Kanhaplustults, Ombroaquic Kanhaplustults, Aridic Kanhaplustults,

Udic

Kanhaplustults,

Rhodic

Kanhaplustults,

Typic

Kanhaplustults, Typic Paleustults, Lithic Rhodustults, Psammentic Rhodustults, Typic Rhodustults, Lithic Haplustults, Petroferric Haplustults, Aquic Haplustults,


Arenic Haplustults, Ombroaquic Haplustults, Plinthic Haplustults, Kanhaplic Haplustults, Typic Haplustults. - Xerults Key to Great Groups : Palexerults, Haploxerults. Key to Subgroups : Aquandic Palexerults, Aquic Palexerults, Andic Palexerults, Typic Palexerults, Lithic Ruptic-Inceptic Haploxerults, Lithic Haploxerults, Aquic Haploxerults,

Andic

Haploxerults,

Lamellic

Haploxerults,

Psammentic

Haploxerults, Arenic Haploxerults, Grossarenic Haploxerults, Typic Haploxerults. •

Vertisol

Sub Ordo : - Aquerts Key to Great Groups : Sulfaquerts, Salaquerts, Duraquerts, Natraquerts, Calciaquerts, Dystraquerts, Epiaquerts, Endoaquerts. Key to Subgroups : Salic Sulfaquerts, Sufic Sulfaquerts, Typic Sulfaquerts, Aridic Salaquerts, Ustic Salaquerts, Leptic Salaquerts, Entic Salaquerts, Chromic Salaquerts, Typic Salaquerts, Aridic Duraquerts, Xeric Duraquerts, Ustic Duraquerts, Aeric Duraquerts, Chromic Duraquerts, Typic Duraquerts, Typic Natraquerts, Aeric Calciaquerts, Typic Calciaquerts, Sulfaqueptic Dystraquerts, Aridic Dystraquerts, Ustic Dystraquerts, Aeric Dystraquerts, Leptic Dystraquerts, Entic Dystraquerts, Chromic Dystraquerts, Typic Dystraquerts, Halic Epiaquerts, Sodic Epiaquerts, Aridic Epiaquerts, Xeric Epiaquerts, Ustic Epiaquerts, Aeric Epiaquerts, Leptic Epiaquerts, Entic Epiaquerts, Chromic Epiaquerts, Typic Epiaquerts, Halic Endoaquerts, Sodic Endoaquerts, Aridic Endoaquerts, Xeric


Endoaquerts, Ustic Endoaquerts, Aeric Endoaquerts, Leptic Endoaquerts, Entic Endoaquerts, Chromic Endoaquerts, Typic Endoaquerts. - Cryerts Key to Great Groups : Humicryerts, Haplocryerts. Key to Subgroups : Sodic Humicryerts, Typic Humicryerts, Sodic Haplocryerts, Chromic Haplocryerts, Typic Haplocryerts. - Xererts Key to Great Groups : Durixererts, Calcixererts, Haploxererts. Key to Subgroups : Hallic Durixererts, Sodic Durixererts, Aquic Durixererts, Aridic Durixererts, Udic Durixererts, Haplic Durixererts, Chromic Durixererts, Typic

Durixererts,

Lithic

Calcixererts,

Petrocalcic

Calcixererts,

Aridic

Calcixererts, Leptic Calcixererts, Entic Calcixererts, Chromic Calcixererts, Typic Calcixererts, Lithic Haploxererts, Halic Haploxererts, Sodic Haploxererts, Aridic Haploxererts, Aquic Haploxererts, Udic Haploxererts, Leptic Haploxererts, Entic Haploxererts, Chromic Haploxererts, Typic Haploxererts. - Torrerts Key to Great Groups : Salitorrerts, Gypsitorrerts, Calcitorrerts, Haplotorrerts. Key to Subgroups : Aquic Salitorrerts, Leptic Salitorrerts, Entic Salitorrerts, Chromic

Salitorrerts,

Typic

Salitorrerts,

Chromic

Gypsitorrerts,

Typic

Gypsitorrerts, Petrocalcic Calcitorrerts, Leptic Calcitorrerts, Entic Calcitorrerts, Chromic

Calcitorrerts,

Typic

Calcitorrerts,

Halic

Haplotorrerts,

Sodic

Haplotorrerts, Leptic Haplotorrerts, Entic Haplotorrerts, Chromic Haplotorrerts, Typic Haplotorrerts.


- Usterts Key to Great Groups : Dystrusterts, Salusterts, Gypsiusterts, Calciusterts, Haplusterts. Key to Subgroups : Lithic Dystrusterts, Aquic Dystrusterts, Aridic Dystrusterts, Udic Dystrusterts, Leptic Dystrusterts, Entic Dystrusterts, Chromic Dystrusterts, Typic Dystrusterts, Lithic Salusterts, Sodic Salusterts, Aquic Salusterts, Aridic Salusterts, Leptic Salusterts, Entic Salusterts, Chromic Salusterts, Typic Salusterts, Lithic Gypsiusterts, Halic Gypsiusterts, Sodic Gypsiusterts, Aridic Gypsiusterts, Udic Gypsiusterts, Leptic Gypsiusterts, Entic Gypsiusterts, Chromic Gypsiusterts, Typic Gypsiusterts, Lithic Calciusterts, Halic Calciusterts, Sodic Calciusterts, Petrocalcic Calciusterts, Aridic Calciusterts, Udic Calciusterts, Leptic Calciusterts, Entic Calciusterts, Chromic Calciusterts, Typic Calciusterts, Lithic Haplusterts, Halic Haplusterts, Sodic Haplusterts, Petrocalcic Haplusterts, Gypsic Haplusterts, Calcic Haplusterts, Aridic Leptic Haplusterts, Aridic Haplusterts, Leptic Haplusterts, Udic Haplusterts, Entic Udic Haplusterts, Chromic Udic Haplusterts, Udic Haplusterts, Leptic Haplusterts, Entic Haplusterts, Chromic Haplusterts, Typic Haplusterts. - Uderts Key to Great Groups : Dystruderts, Hapluderts. Key to Subgroups : Aquic Dystruderts, Oxyaquic Dystruderts, Leptic Dystruderts, Entic Dystruderts, Chromic Dystruderts, Typic Dystruderts, Aquic Hapluderts, Oxyaquic Hapluderts, Leptic Hapluderts, Entic Hapluderts, Chromic Hapluderts, Typic Hapluderts


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