TY  - BOOK
AU  - [by] Yadvinder Singh [and others]
TI  - Happy seeder : a conservation agriculture technology for managing rice residues
U1  - ARCH 633.18 P93H 
PY  - 2009///
CY  - Ludhiana
PB  - PAU, Dept. of Soils
KW  - RICE
ER  -