Potassium and Ammonium Fixation in Indian Soils
Grewal, J.S.
Potassium and Ammonium Fixation in Indian Soils - New Delhi Icar 1973 - iii, 75P.
589.47
Potassium and Ammonium Fixation in Indian Soils - New Delhi Icar 1973 - iii, 75P.
589.47