7.Bio Farming
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Item 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.Item 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.