TY  - BOOK
AU  - Palaniappan, sp.
AU  - Sivaraman K.
TI  - Cropping systems in the tropics: Principles and management 
SN  - 812240667X
AV  - S494.5 .S95.P35 1996
PY  - 1996///
CY  - New Delhi
PB  - New age international (p) limited, publishers
KW  - Cropping systems in the tropics
KW  - Principles and management
N1  - Includes biblliographical references and index
ER  -