TY  - BOOK
AU  -  Singhal, N. C, ed
TI  - Hybrid seed production in field crops : (principles and practices)
SN  - 9789327230154
U1  - 631.521 SIN H 
PY  - 2015///
CY  - Ludhiana 
PB  - Kalyani Publishers
KW  - Agriculture
KW  - G4162
ER  -