TY  - BOOK
AU  - Palaniappan sp
AU  - Sivaraman
TI  - Cropping systems in the tropics: Principles and management
SN  - 81-224-0667-x
U1  - 581.70913 
PY  - 1996///
CY  - Newdelhi
PB  - Newage international
KW  - Cropping system,farming system,agroforestry,sole cropping
ER  -