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Lumbanraja, Jamalam and Evangelou, V.P. (1990) Binary and Ternary Exchange Behavior of Potassium and Ammonium on Kentucky Subsoils. Soil Science Society American Journal, 54. pp. 698-705. ISSN 0361-5995


Nugroho, Sutopo Ghani and Kuwatsuka, Shozo (1990) -Concurrent observation of several processes of nitrogen metabolism in soil amended with organic materials. I. Effect of different organic materials on ammonification, nitrification, denitrification, and N2fixation under aerobic and anaerobic conditions. Soil Science and Plant Nutrition, 36 (2). pp. 215-224. ISSN 0038-0768


Utomo, Muhajir and Frye, W W and Blevins, R L (1990) Sustaining Soil Nitrogen for Corn Using Hairy Vetch Cover Crop. Agronomy Journal, 82 (5). pp. 979-983. ISSN 1435-0645

This list was generated on Sun Jun 7 10:31:15 2020 WIB.