Rajapaksha, R.M.C.P.2021-09-132021-09-132011Proceedings of the National Convention on Organic Farming Ensuring Safe, Healthy and Nutritional Food for Future, February 24-25, 2011, Waters Edge, Battaramulla:p.31-32https://dl.nsf.gov.lk/handle/1/25289AgricultureBiofertilizersSoil microorganismsRegulationsConference Paper