TY  - BOOK
AU  - SITA Ram
TI  - Effect of sowing dates, plant densities and farmyard manure on the productivity of soybean (Glycine max (L) merr.)
U1  - 633.34 S48E 
PY  - 2001///
PB  - Ludhiana
KW  - SOYBEAN -- FERTILIZERS & MANURES
ER  -