4.Journals Published in Sri Lanka

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Organic manure as a supplementary source of nitrogen in wetland rice cultivation
(Soil Science Society of Sri Lanka:Colombo, 2001) Sirisena, D.N.; Wickramasinghe, W.M.A.D.B.; Weerakoon, W.M.W.; Bandara, S.T.; Kumaragamage, D.
Effect of nitrogen on 1000-grain weight and grain filling of rice
(Soil Science Society of Sri Lanka:Peradeniya, 2005) Sirisena, D.N.; Hafeel, R.F.; Wickramasinghe, W.M.A.D.B.; Lilani, K.L.; Chandrakumari, K.L.L.
Rice straw silica -solubility characteristics and use as a silicon source in paddy cultivation
(Soil Science Society of Sri Lanka:Peradeniya, 2004) Wickramasinghe, W.M.A.D.B.
The impact of "Kethata Aruna" fertilizer subsidy programme on fertilizer use and paddy production in Sri Lanka
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2013) Herath, H.M.K.V.; Gunawardena, E.R.N.; Wickramasinghe, W.M.A.D.B.