Sirisena, D.N.Wickramasinghe, D.B.Silva, L.S.2020-04-112020-04-112001Annals of the Sri Lanka Department of Agriculture, 3:p.231-236https://dl-doa.nsf.gov.lk/handle/1/1950PLANT SCIENCE AND PRODUCTIONNitrogen fertilizerNitrogen lossesNitrogen recoveryRiceRecovery of fertilizer nitrogen applied to wetland paddy soilsArticle