Tropical Agricultural Research
Permanent URI for this collectionhttps://dl.nsf.gov.lk/handle/1/11652
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Item Exploring the Yield Response of Paddy (Oryza sativa L.) under Varying Levels of Soil Nitrogen, Phosphorus and Potassium(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2020-10) Kulasinghe, H.P.G.T.N.; Vitharana, U.W.A.; Dharmakeerthi, R.S.; Sirisena, D.N.; Rathnayake, W.M.U.K.Item Variations in Soil Chemical Parameters of Long Term Sugarcane- Growing Alfisols under Contrasting Cropping Conditions at Sevanagala, Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2020) Weerasinghe, H.A.S.; Gunaratne, G.P.; Jayakody, A.N.; Dharmakeerthi, R.S.Item Dynamics of nitrifiers in soils of intensively vegetable cultivated areas in Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2019-11) Nawarathna, K.K.K.; Dandeniya, W.S.; Dharmakeerthi, R.S.; Weerasinghe, P.Item Fertilizer usage and land productivity in intensively cultivated vegetable farming systems in Sri Lanka: an analysis based on a questionnaire survey(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2018-12) Upekshani, H.A.N.; Dharmakeerthi, R.S.; Weerasinghe, P.; Dandeniya, W.S.Item Performance evaluation of a down draft double chamber pyrolysis reactor under field conditions(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2018-12) Alahakoon, A.M.Y.W.; Karunarathna, A.K.; Dharmakeerthi, R.S.Item Changes in structural and chemical properties of rice husk biochar co-pyrolysed with Eppawala rock phosphate under different temperatures(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2018-12) Dissanayake, D.K.R.P.L.; Dharmakeerthi, R.S.; Karunarathna, A.K.; Dandeniya, S.W.Item Determination of desirable properties of bacteria, fungi and their biofilm associated with rubber rhizosphere(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2016) Hettiarachchi, R.P.; Dharmakeerthi, R.S.; Seneviratne, G.; Jayakody, A.N.; De Silva, K.E.; Gunathilake, T.; Thewarapperuma, A.Item Beneficial nutrient management practices for improving maize (zea mays) yield in a tropical entisol(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015) Mariaselvam, A.A.; Dandeniya, W.S.; Indraratne, S.P.; Dharmakeerthi, R.S.