Browsing by Author "Keerthisinghe, G."
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Item Ammonium dynamics in a Leucaena green manure incorporated puddle rice soil(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1989) Zoysa, A.K.N.; Keerthisinghe, G.; Jayakody, A.N.; Upasena, S.H.Item Changes of potassium reserves in an alfisol under irrigated paddy at different potassium and nitrogen levels(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1989) Liyanage, N.J.; Keerthisinghe, G.; Jayakody, A.N.; Thenabadu, M.W.Item Effect of Potassium buffer capacity and the mobility of nonexchangeable potassium on the availability of Potassium in some of the important rice soils of Sri LankaKeerthisinghe, G.; Nandadasa, M.; Tenabadu, M.W.Item Mobility of potassium reserves in an alfisol under irrigated paddy at different potassium and nitrogen levels(1989) Liyanage, N.J.; Keerthisinghe, G.; Jayakody, A.N.; Thenabadu, M.W.Item Mobillity of K reserves in a soil under irrigated paddy at different K levels(1988) Keerthisinghe, G.; Tenabadu, M.W.; Nandadasa, M.Item Potassium-magnesium interactions affecting nutrient uptake by rice seedlings(Soil Science Society of Sri Lanka:Peradeniya, 1987-88) Weerahewa, J.; Keerthisinghe, G.