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Phosphorus Nutrition of Grain Legumes in the Semi-Arid Tropics
C. Johansen, K. K. Lee, K. L Sahrawat · International Crops Research Institute for the Semi-Arid Tropics
254 sayfa · 1991
Arid regions / Agriculture, tropics / Soil science / Congresses / Soils
Conservation Agriculture
Ram A. Jat, K. L Sahrawat, Amir Kassam · CABI
424 sayfa · 2013
Sustainable agriculture / Agricultural ecology / Agricultural conservation