TY  - BOOK
AU  - Balasubramaniyan P
AU  - Balasubramaniyan P
AU  - Palaniappan S P
TI  - Principles and practices of agronomy
U1  - 630 
PY  - 2005///
CY  - Jodhpur
PB  - Agrobios (India) Agro House
ER  -