Browsing by Author Ratnayake, R.R.

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Showing results 1 to 12 of 12
Issue DateTitleAuthor(s)
2014-06-10CARBON FRACTIONS AND NUTRIENT STATUS OF SOILS IN IRANAMADHU IRRIGATION COMMAND AREA, KILINOCHCHIRaguraj, S.; Ratnayake, R.R.; Gnanavelrajah, N.
2014CHANGES IN SOIL CARBON UNDER DIFFERENT MANAGEMENT PRACTICESRatnayake, R.R.; Kugendren, T.; Gnanavelrajah, N.
2019Estimated daily intake and health risk of heavy metals by consumption of nutrient rich cyanobacteria strains isolated from different fresh water bodies of sri lankaMalika, M.S.; Ratnayake, R.R.; Bowange, R.W.T.M.R.T.K.; Sumanasinghe, A.
2021Nitrate removal potential of newly isolated pseudomonas aeruginosa strain (a22) in a synthetic mediumAbhiramy, K.; Gnanavelrajah, N.; Ratnayake, R.R.
2024The potential of Nostoc cultivated in parboiled effluent as a biofertilizer for paddy cultivationJayasekara, J.M.H.S.; Gnanavelrajah, N.; Ratnayake, R.R.
2023Potential of Nostoc sp. as a biofertilizer on growth and Yield of paddy- Oryza sativaRuwanpathirana, P.S.; Gnanavelrajah, N.; Ratnayake, R.R.
2019The Potential Use of Cyanobacteria as Biofertilizer for Rice Variety BG-251Priyatharshini, B.; Gnanavelrajah, N.; Ratnayake, R.R.
2019The potential use of cyanobacteria as biofertilizer for rice variety BG-251Priyatharshini, B.; Gnanavelrajah, N.; Ratnayake, R.R.
2022Soil Carbon Sequestration Potential of Dry-Zone Home Gardens in Anuradhapura District, Sri LankaPremalal, H.M.N.D.; Perera, G.A.D.; Ratnayake, R.R.
2020Spatial Variability of Soil Carbon and Its Relationship with Nutrient Availability in Paddy Soils of Trincomalee District, Sri LankaChathuranga, D.M.B.A.; Paranavithana, T.M.; Gnanavelrajah, N.; Ratnayake, R.R.
2020Spatial Variability of Soil Carbon and Its Relationship with Nutrient Availability in Paddy Soils of Trincomalee District, Sri Lanka.Chathuranga, D.M.B.A.; Paranavithana, T.M.; Gnanavelrajah, N.; Ratnayake, R.R.
2017A study on potential use of cyanobacteria isolated from fresh water bodies of sri lanka in agricultureRamziya, A.; Gnanavelrajah, N.; Fuad Hossain, M.D.; Kumara, K.L.W.; Ratnayake, R.R.