TY  - BOOK
AU  - Palaniappan, S.P.
TI  - Cropping systems in the tropics; principles and management
U1  - 631.584(213) M5 
PY  - 1985///
CY  - New Delhi
PB  - Wiley Eastern
KW  - By S.P. Palaniappan
KW  - Cropping Pattern Systems-Tropics
ER  -