TY  - BOOK
AU  - S.S.Singh
AU  - Rajesh Singh 
TI  - Principles & Practice of Agronomy
SN  - 9789327256376
U1  - 630  S 643 P 
PY  - 2019///
CY  - New Delhi
PB  - Kalyani Publishers 
KW  - Agronomy
ER  -