(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2004) Sooriyamoorthy, S.S.; Silva, K.F.S.T.; Gunawardhane, M.H.W.; Illeperuma, C.K.
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2004) Wellala, C.K.D.; Gunawardhane, M.H.W.; Wijeratne, M.C.P.; Illeperuma, C.K.
