Browsing by Author "Sangakkara, U.R."
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Item Assessment on the drought tolerant capabilities of newly released tea clones(Tea Research Institute:Thalawakele, 1999) Karunaratne, P.M.A.; Wijeratne, M.A.; Sangakkara, U.R.Item Competitive performance of purple nutsedge (Cyperus rotundus L.) and onion (Allium cepa L.) as affected by different sources of Nitrogen(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2012) Geretharan, T.; Sangakkara, U.R.; Arulnandhy, V.Item Competitive performance of purple nutsedge (Cyperus rotundus L.) and onion (Allium cepa L.) as affected by different sources of Nitrogen(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2012) Geretharan, T.; Sangakkara, U.R.; Arulnandhy, V.Item Direct shoot organogenesis from nodal and leaf explants of Munronia pinnata (Wall.) Theob:a valuable medicinal plant(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2008) Gunathilake, P.M.P.C.; Abayagunawardhana, N.; Wimalasiri, S.; Sangakkara, U.R.; Eeswara, J.P.Item Effect of mulching, potassium fertilizer and clones in minimizing drought effects in young tea(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1992) Ekanayake, P.B.; Sangakkara, U.R.; Mapa, R.B.Item Effect of purple nutsedge(Cyperus rotundus) population densities on onion(Allium cepa) as influenced by Nitrogen in the Eastern Province of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2011) Geretharan, T.; Sangakkara, U.R.; Arulnandhy, V.Item Effective weed -free period of common beans in two different agro -ecological zones of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1999) Premalal, K.P.S.B.; Sangakkara, U.R.; Van Damme, P.; Bulcke, R.Item Effects of plant density, nitrogen and gypsum on yield parameters of groundnut (Arachis hypogea L.) in regosols of Batticaloa district(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1995) Sivanesarajah, K.; Sangakkara, U.R.; Sandanam, S.Item Estimation of water use of mature coconut (Cocos nucifera L.) cultivars (CRIC 60 and CRIC 65 ) grown in the low country intermediate zone using the compensation heat pulse method (CHPM)(National Science Foundation:Colombo, 2009-9) Madurapperuma, W.S.; De Costa, W.A.J.M.; Sangakkara, U.R.; Jayasekara, C.Item Fertilizer nitrogen effects on nitrogen fixation and utilization in lentils and soybeans(Soil Science Society of Sri Lanka:Peradeniya, 1989) Sangakkara, U.R.Item Food security in Sri Lanka - agronomic implications and potentials(National Science Foundation:Colombo, 2008-11) Sangakkara, U.R.; Nissanka, S.P.Item Growth of nursery plants in tea as affected by type of cutting and planting media(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2007) Weerasinghe, K.W.L.K.; Wijeratne, M.A.; Sangakkara, U.R.Item Impact of green manure on productivity patterns of homegardens and fields in a tropical dry climate(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2011) Egodawatta, W.C.P.; Sangakkara, U.R.; Wijesinghe, D.B.; Stamp, P.Item Impact of rice straw mulch on growth, yield components and yield of direct seeded lowland rice (Oryza sativa L)(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2013) Devasinghe, D.A.U.D.; Premaratne, K.P.; Sangakkara, U.R.Item Influence of nitrogen fertilizer and duration of Purple Nutsedge (Cyperus rotundus) interference on Onion (Allium cepa) growth and yield in minor seasons in Batticaloa, Sri Lanka(Faculty of Agriculture, Eastern University:Chenkalady, 2020) Geretharan, T.; Sangakkara, U.R.; Arulnandhy, V.Item Influnce of in situ and ex situ green manures on the productivity of rice and onions in the Mahaweli system C of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1993) Bandara, K.M.C.; Sangakkara, U.R.Item Intercropping of young cashew (Anacardium occidentale L.) and its effects on crop productivity and land utilization(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2003) Abeysinghe, D.C.; Sangakkara, U.R.; Jayasekera, S.J.B.A.Item Potassium fertilizer for selected tropical tuber crops: it's influence on growth and yieldsThrikawala, B.S.; Sangakkara, U.R.Item Productivity of intercropped maize (Zea mays) and varieties of yard -long bean (Vigna unguiculata) as affected by planting time(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1996) Ranasinghe, R.A.D.T.K.; De Costa, W.A.J.M.; Sangakkara, U.R.