TY  - BOOK
TI  - Alfisols in the semi-arid tropics 
SN  - 92-9066-103-8
PY  - 1987///
CY  - Andhra Pradesh: 
PB  - International Crops Research Institute for the Semi-Arid Tropics, 
KW  - Agriculture
KW  - Cropping
KW  - Technology
ER  -