TY  - BOOK
AU  - S.P., Palaniappan.
TI  - Cropping System in the Tropics: Principal & Management
U1  - 581.6 
PY  - 1985///
CY  - New Delhi
PB  - Wiley Eastern Ltd
KW  - Botany
KW  - Cropping System
KW  - G-Technology
N1  - Index
ER  -