Kugendren, T.Ratnayake, R.R.Gnanavelrajah, N.2016-05-062016-05-062011Proceedings of the 10th International Conference of the East and Southeast Asia Federation of soil Science Societies: Soil, A Precious Natural Resource: Agricultural Ecosystems, Environmental Health and Climate Change:p.285-286https://dl-ifs.nsf.gov.lk/handle/1/1402Conference Paper