TY  - BOOK
AU  - Balasubramaniyan,P., Palaniappan, S.P.
AU  - x
TI  - Principles and practice of agronomy : x 
SN  - 8177542117   
U1  - 630/B644p  
PY  - 2004///
CY  - Jodhpur 
PB  - Agrobios 
KW  - Agronomy
KW  - Agriculture
ER  -