Fernando, M.F.S.W.Mosley, A.R.McMorran, J.P.Clough, G.2014-11-122014-11-121998Tropical Agricultural Research, 10:p.225-235https://dl.nsf.gov.lk/handle/1/12024AgricultureCover cropsResidual Nitrate Nitrogen conservationNo3 -NSoil analysisLegume winter cropsConservation of residual Nitrate Nitrogen with winter cover cropsA