TY  - BOOK
AU  - BALASUBRAMANIYAN (P); PALANIAPPAN (SP)
TI  - Principles and Practices of Agronomy
SN  - 81-7754-52-1
U1  - J   P4;3 
PY  - 2002///
PB  - Agrobios (India) Jodhpur
ER  -