Weerasekara, Y.B.M.; Fernando, S.P.A.; Jeyasena, M.W.
(Vavuniya Campus of the University of Jaffna, 2010-10-27)
The concept of farmer field schools (FFS) is a tool of agricultural extension in disseminating knowledge. A number of government and non-government organization have used this concept in transferring knowledge on vegetable ...