Potassium in soils, crops and fertilizers
Biswas, T.D.
Potassium in soils, crops and fertilizers - New Delhi 19 - 1-345 p. - Crosp, Soil, Fertilizers India Society of Soil Science. Bulletin No. 10 .
Potassium in soils, crops and fertilizers - New Delhi 19 - 1-345 p. - Crosp, Soil, Fertilizers India Society of Soil Science. Bulletin No. 10 .