TY  - GEN
AU  - Wijewardene , Ray
AU  - Waidyanatha , Parakrama
TI  - Conservation farming: for small farmers in the humid tropics
U1  - 630 
PY  - 1984///
CY  - Colombo
PB  - Marga Institute
KW  - AGRICULTURE FARMING
KW  - AGRICULTURE
KW  - CONSERVATION FARMING
ER  -