TY  - BOOK
AU  - Ram, Shyam Deo
TI  - Response of various phosphorus garriers to winter maize gultivars crop densities
U1  - 630 R 1401 R 
PY  - 1986///
CY  - Bhagalpur
PB  - BAC, Sabour
KW  - Agronomy
ER  -