(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2002) Jayaratne, K.H.T,; Oaranagama, P.A.; Abeywickrama, K.P.; Nugaliyadde, L.
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2002) Adhikari, A.A.C.K.; Paranagama, K.P.; Abeywickrama, K.P.; Premarathne Bandara, K.A.N.
