Browsing by Author "Yapa, L.G.G."
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Item Clay mineralogy and chemical composition of some soils of Sri Lanka(Soil Science Society of Sri Lanka:Peradeniya, 1987-88) Yapa, L.G.G.Item Effect of some organic materials on K availability, K uptake and growth of lowland rice(Soil Science Society of Sri Lanka:PEradeniya, 1989) Wanasundara, W.M.U.N.; Yapa, L.G.G.; Punyawardena, B.V.R.Item Evaluation of cowpea and mung bean varieties for drought resistanceYapa, L.G.G.; Bandara, D.C.Item The role of potassium fertilizer in drought tolerance of corn grown in noncalcic brown soils (Haplustalfs)(Soil Science Society of Sri Lanka:Peradeniya, 1991) Yapa, L.G.G.; Wanasundara, W.M.U.N.; Punyawardena, B.V.R.