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1. Farm power and water use in the dry zone Part II

by Farrington, John | Abeyratne, Fredrick.

Publisher: Colombo Agrarian Research and Training Institute 1982Availability: Items available for loan: [Call number: SL 631.3 FAR] (1). Location(s): SL SL 631.3 FAR.

2. Shifting farming towards stability, a study of four rainfed farming systems in Sri Lanka

by Abeyratne, Fredrick | Gunasena, H.P.M.

Publisher: Colombo Agrarian Research and Training Institute 1986Availability: Items available for loan: [Call number: SL 631.111 ABE] (1). Location(s): SL SL 631.111 ABE.