TY  - BOOK
AU  - Singh, S. S.,
TI  - Principles and Practices of Agronomy
SN  - 9789327215694
U1  - 630 
PY  - 2011///
CY  - Ludhiyana
PB  - Kalyani Publishers
KW  - Agriculture. & related technologies
KW  - Agronomy
ER  -