Monographs
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Item Production and marketing of banana in the Beminiwatte Agricultural Productivity committee area(Hector Kobbeduwa Agrarian Research and Training Institute:Colombo, 1976) Perera, M.P.; Gunawardena, P.J.; Abeyratne, F.; Agrarian Research and Training InstituteItem Animal draught:the economics of revival(Hector Kobbeduwa Agrarian Research and Training Institute:Colombo, 1981) Ryan, M.; Abeyratne, F.; Farrington, J.; Agrarian Research and Training InstituteItem Farm power and water use in the dry zone, part l:study methodology and some preliminary results(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 1980) Farrington, J.; Abeyratne, F.; Ryan, M.; Bandara, S.; Agrarian Research and Training InstituteItem The citronella industry in the Hambantota district(HARTI:Colombo, 1978) Perera, M.; Abeyratne, F.; Agrarian Research and Training InstituteItem Farm power and water use in the dry zone:part II(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 1982) Farrington, J.; Abeyratne, F.; Hector Kobbekaduwa Agrarian Research and Training InstituteItem Shifting farming:towards stability, a study of four rainfed farming systems in Sri Lanka(Hector Kobbeduwa Agrarian Research and Training Institute:Colombo, 1986) Abeyratne, F.; Gunasena, H.P.M.; Tennakoon, D.; Agrarian Research and Training InstituteItem The utilization of buffaloes for Faris power in Sri Lanka: Agrarian Research and Training Institute/ Reading University Study Team on farm power and water use in Sri Lanka's Dry Zone.(Colombo:Hector Kobbekaduwa Agrarian Research and Training Institute, 1980-02) Ryan, U.J.; Abeyratne, F.; Farrington, J.