TY  - BOOK
AU  - Singh, S. S.
TI  - Principles & Paractices of Agronomy / 
SN  - 8170964490
U1  - 630 
PY  - 1998///
CY  - .- New Delhi
PB  - : Kalyani Publishers
KW  - Technology (Applied Sciences)
KW  - Agriculture and Related Technologies
KW  - Agronomy
ER  -