Gunatilake, S.K.Iwao, Y.Gunatilake, J.Kumaragamage, D.2014-12-162014-12-162002Journal of the Soil Science Society of Sri Lanka, 14:p.71-85https://dl.nsf.gov.lk/handle/1/16271Soil ScienceGroundwaterFertilizer applicationNitrate pollutionLand modificationShiroishi plainGeoenvironmental assesmentGeoenvironmental assesment for nitrate pollution of ground water by fertilization in shiroishi plain in JapanArticle