Journal of the Soil Science Society of 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.
Salt water as a medium to screen rice varieties for salinity tolerance
(Soil Science Society of Sri Lanka:Peradeniya, 2005) Sirisena, D.N.; Abeysiriwardena, D.S.de.Z.
Effect of chemical fertilizer on yield of potato (Solanum tuberosum L.) in the upcountry wet zone of Sri Lanka
(Soil Science Society of Sri Lanka:Colombo, 2002) Sirisena, D.N.; Abeytunge, K.G.W.; Perera, M.S.K.K.