TY  - GEN
AU  - PALANIAPPAN, S B
AU  - SHIVARAMAN, K
TI  - CROPPING SYSTEMS IN THE TROPICS: PRINCIPLES AND MANAGEMENT
U1  - 631.5 PAL/CR 
CY  - NEW DELHI, NEW AGE INTERNATIONAL
KW  - PEST MANAGEMENT
KW  - RESEARCH METHODOLOGY
KW  - SOIL FERTILITY MANAGEMENT
KW  - WATER MANAGEMENT
ER  -