Tropical Agricultural Research
Permanent URI for this collectionhttps://dl.nsf.gov.lk/handle/1/11652
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Item Nitrogen leaching losses and plant response to nitrogen fertilizers as influenced by application of neem (Azadirachta indica A. juss) materials(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1999) Gnanavelrajah, N.; Kumaragamage, D.Item Evaluation of site -specific fertilizer recommendation for cauliflower (Brassica oleracea L.) in two locations in Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2007) Kirthisinghe, J.P.; Kumaragamage, D.; Sultanbava, F.Item Formulation and testing of site specific fertilizer recommendation for bitter gourd (Momordica charantia L.)(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2007) Amarasekara, M.G.T.S.; Indraratne, S.P.; Kumaragamage, D.; Sultanbava, F.Item A site specific fertilizer recommendation for rice grown in imperfectly drained reddish brown earth soils in low country dry zone of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2006) Bandara, W.M.J.; Kumaragamage, D.; Wickramasinghe, D.B.; Weerawarna, S.B.A.Item Site specific nutrient application on yield , quality and post harvest life of Cauliflower (Brassica oleracea L.)(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2008) Kirthisinghe, J.P.; Sarananda, K.H.; Kumaragamage, D.Item Adsorption of paraquat in selected Sri Lankan soils(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1996) Ratnayake, J.I.L.B.; Kumaragamage, D.Item Use of multi-ionic extractant to determine available P,K,Na,Ca and Mg in acid soils of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1995) Madurapperuma, W.S.; Kumaragamage, D.Item Evaluation of phosphorus extraction methods for assessing phosphorus availability of some Sri Lankan soils(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1995) Withana, A.K.; Kumaragamage, D.Item Fate of Diuron in selected Agricultural soils(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1998) Ratnayake, J.I.L.B.; Kumaragamage, D.Item Effect of neem (Azadirachta indica A. Juss) materials on nitrification of applied urea in three selected soils of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1998) Gnanaveirajah, N.; Kumaragamage, D.