TY  - GEN
AU  - Abeyratne, Fredrick 
AU  - Tennakoon, D. 
AU  - Gunasena, H. P. M. 
TI  - Shifting farming : towards stabllity 
U1  - 631.5818 
PY  - 1986///
CY  - Colombo
PB  - Agrarian Research and Training Institute
KW  - CULTIVATION AND HARVESTING
KW  - REDUCED CULTIVATION METHODS
KW  - SPECIAL METHODS OF CULTIVATION
ER  -