Potassium in soils and crops.
Sekhon,G.S.
Potassium in soils and crops. - New Delhi. Potash Res. Instt. of India 1978 - 432
Soil and Crops Soil Chemistry/Analysis
631.41
Potassium in soils and crops. - New Delhi. Potash Res. Instt. of India 1978 - 432
Soil and Crops Soil Chemistry/Analysis
631.41