TY  - BOOK
AU  - Lal,Rattan
ED  - Food and Agriculture Organization of the United Nations.
TI  - Tillage systems in the tropics: management options and sustainability implications 
SN  - 9251037760
PY  - 1995///
CY  - Rome
PB  - FAO
KW  - Tillage
KW  - Tropics
ER  -