Effect of Oxalic Acid, Na +, NH 4 +, and Fe 3+ on Availability of Soil K, Plant N, P, and K Uptake, and Maize Yield in Smectitic Soils ABSTRAK

1 Pengaruh Asam Oksalat, Na +, NH 4 +, dan Fe 3+ terhadap Ketersediaan K Tanah, Serapan N, P, dan K Tanaman, serta Produksi Jagung pada Tanah-tanah ya...
Author:  Ratna Rachman

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