Local literature

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Effect of bat manure as a source of organic manure for vegetable cultivation in the Uva province
(Soil Science Society of Sri Lanka:Colombo, 2002) Wijewardena, J.D.H.
Organic manure for crop production
(Natural Resources, Energy and Science Authority of Sri Lanka:Colombo, 1990) Tennakoon, A.
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.
Eco-friendly technologies for sustainable plantation agriculture
(National Institute of Plantation Management:Athurugiriya, 2007) Yogaratnam, N.