Browsing by Author "Nandasena, K.A."
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Item Determination of optimum nitrogen concentrations in hydroponics for tomato grown in coir medium in tropical greenhouse(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2019-11) Erabadupitiya, H.R.U.T.; Weerakkody, W.A.P.; Nandasena, K.A.Item Groundwater quality of three agro-ecological zones of Sri Lanka(Soil Science Society of Sri Lanka:Peradeniya, 2005) Nandasena, K.A.; Gunawardhana, D.K.S.N.; Kendaragama, K.M.A.Item Hydro-chemical status of the Mahakanumulla cascade in the dry(Soil Science Society of Sri Lanka:Peradeniya, 2014) Wijesundara, W.M.G.D.; Nandasena, K.A.; Jayakody, A.N.Item A new sequential extraction method for soil organic matter fractionation(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1991) Nandasena, K.A.; Vlassak, K.Item Plant nutrient contamination of shallow-groundwater in intensive vegetable gardens of Nuwara Eliya(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2005) Rajakaruna, R.M.P.; Nandasena, K.A.; Jayakody, A.N.Item Potential exploitation of refuse tea as an alternative medium in mushroom cultivation(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2006) Rupasinghe, K.H.; Nandasena, K.A.Item Release of heavy metals from non calcic brown soil amended with different organic manures(National Agricultural Society of Sri Lanka:Peradeniya, 2004) Nandasena, K.A.; Nilantha, N.P.U.Item Seasonal and spatial variations of N, P, K and Cd concentrations in water of the Mahakanumulla cascade in the dry zone of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2013) Wijesundara, W.M.G.D.; Nandasena, K.A.; Jayakody, A.N.Item Soil organic carbon and nitrogen pools as influenced by polyphenols in different particle size fractions under tropical conditions(National Science Foundation:Colombo, 2009-3) Seneviratne, G.; Henakaarchchi, M.P.N.K.; Weerasekara, M.L.M.A.W.; Nandasena, K.A.Item Zinc adsorption characteristics of some Sri Lankan soils(Soil Science Society of Sri Lanka:Colombo, 2001) Nandasena, K.A.; Rathnayake, M.R.N.D.