TY  - BOOK
AU  - Tiwari, Jagdish Prasad
AU  - Guide: Cheema, K.S.
TI  - Effect of nitrogen application at various stages of growth on the yield of maize
U1  - 633 
PY  - 1969///
CY  - Jabalpur
PB  - Department of Agronomy
KW  - AGRONOMY
ER  -