TY  - BOOK
AU  - Singh, Yamuna Prasad
TI  - Effect of different levels and freqencies of irrigation with varying levels of nitrozen on growth and yield of summer paddy
U1  - 630 S 643 E 
PY  - 1974///
CY  - Bhagalpur
PB  - BAC, Sabour
KW  - Agronomy
ER  -