Sumudumali, R.G.I; Piyathilake, I.D.U.H.; Jayawardana, J.M.C.K; Udayakumara, E.P.N; Gunatilake, S.K
(Sabaragamuwa University of Sri Lanka, Belihuloya, 2020-11-26)
Pesticides are widely applied in paddy and crop fields in Kumbukkan Oya
watershed to prevent crop yield losses due to the pest infestations. The study
area is one of the main paddy and crop cultivated areas in the ...