TY  - BOOK
ED  - International Symposium on Natural Resouces Management for a Sustainable Agriculture
TI  - Sustainable agriculture, Vol. 2: issues, perspectives and prospects in semi arid tropics
U1  - 631.58 
PY  - 1990///
CY  - New Delhi
PB  - Indian Society of Agronomy
KW  - Cultivation & Harvesting
ER  -