TY  - BOOK
AU  - K.K. M Nambiar
TI  - Soil Fertility And Crop Prodcutivity Under Long - Term Fertilizer Use In India
U1  - 631.4/N15S 
CY  - New Delhi
KW  - Soil Fertility And Crop Prodcutivity Under Long - Term Fertilizer Use In India
ER  -