Dayarathne, H.K.S.P.; Gunawardena, U.A.D.P.
(Sri Lanka Association for the Advancement of Science, Colombo 07, 2015-12-01)
Paddy cultivation is well established in nine out of 15 agro ecological regions of the wet
zone of Sri Lanka. Kalutara District plays a major role in paddy cultivation and farmers
predominantly follow conventional methods ...