Journal of the Soil Science Society of Sri Lanka
Permanent URI for this collectionhttps://dl.nsf.gov.lk/handle/1/16208
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Item Drinking water quality of some wells in the intensive vegetable growing lands in the upcountry wet zone(Soil Science Society of Sri Lanka:Colombo, 2001) Wijewardena, J.D.H.; Yapa, U.W.S.P.; Yatagama, S.M.K.G.Item Effect of sulphur and poultry manure application to vagetable crops(Soil Science Society of Sri Lanka:Colombo, 2001) Wijewardena, J.D.H.Item Calcium magnesium and micronutrient status of citrus growing soils of lower Uva region of Sri Lanka(Soil Science Society of Sri Lanka:Peradeniya, 2004) Wijewardena, J.D.H.Item Status of selected micronutrients in vegetable growing soils of the low country wet zone of Sri Lanka(Soil Science Society of Sri Lanka:Colombo, 2003) Wijewardena, J.D.H.; Kannangara, E.H.Item Sustainable plant nutrient management in intensive vegetable growing lands in the upcountry of Sri Lanka(Soil Science Society of Sri Lanka :Colombo, 2000) Wijewardena, J.D.H.Item Effect of triple superphosphate and rock phosphate combinations on vegetable production in the upcountry of Sri Lanka(Soil Science Society of Sri Lanka:Colombo, 1999) Wijewardena, J.D.H.Item 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.