Ratnayake, R.R.Seneviratne, G.Kulasooriya, S.A.2016-01-212016-01-212011International Journal of Soil Science, 6(3):p.217-223https://dl-ifs.nsf.gov.lk/handle/1/1078The Effect of Cultivation on Organic Carbon Content in the Clay Mineral Fraction of SoilsArticle