TY  - BOOK
AU  - European Nitrogen Service programme, New Delhi.
AU  - Tandon, H. L. S. ; Comp.
TI  - NPK in Indian agriculture, 1971-1975; a bibliography of Nitrogen, Phosphorus, Potassium and related factors in crops, soils, fertilisers and manures
U1  - 338.16016 
PY  - 1978///
CY  - New Delhi
PB  - The Auth.
ER  -