TY  - BOOK
AU  - PREMPAL Singh
TI  - Effect of nitrogen and phosphorus levels on the performance of sunflower+groundnut system
U1  - 633.85 P75E 
PY  - 2000///
PB  - Ludhiana
KW  - SUNFLOWERS -- FERTILIZER AND MANURES
KW  - PEANUTS -- FERTILIZERS AND MANURES
ER  -