7.Bio Farming

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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.
Productivity and soil fertility status as influenced by integrated use of N-fixing biofertilizers, organic manures and inorganic fertilizers in onion
(Faculty of Agricultural Sciences, Sabaragamuwa University:Belihuloya, 2006) Jayathilake, P.K.S.; Reddy, I.P.; Srihari, D.; Reddy, K.R.
Integrated nutrient management in onion(Allium cepa L.)
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2003) Jayathilake, P.K.S.; Reddy, I.P.; Srihari, D.; Reddy, K.R.; Neeraja, G.