NPK in Indian agriculture, (1971-1975) a bibliography of nitrogen, phosphorus, potassium and related factors in crops, soils, fertillisers and manures

NPK in Indian agriculture, (1971-1975) a bibliography of nitrogen, phosphorus, potassium and related factors in crops, soils, fertillisers and manures - New Delhi ENSP 1978 - xxxii,797 p.


Agriculture
Bibliography
India
Indian agriculture
Nitrogen
NPK
Phosphorus
Potassium

016.630954 / NPK