Sirisena, D.N.David Atkinsion2020-12-072020-12-072000Annals of the Sri Lanka Department of Agriculture, 2:p.291-298https://dl-doa.nsf.gov.lk/handle/1/2943PLANT SCIENCE AND PRODUCTIONCover cropsNitrate nitrogenNutrient DepletionUse of cover crops to minimize nitrate losses from agricultral landsArticle