Gunathilaka, H.A.J.2014-06-032014-06-031992A seminar/workshop workshop of the Sri Lankan Weed Science Society, Sri Lanka. Agrarian Research and Training Institute,Colombo, July 11, 1992 organized at the Agrarian Research andTraining Institute :p...https://dl-cri.nsf.gov.lk//handle/1/3451WeedsWeed managementProblemsWeed control in the plantation sector in Sri Lanka-current status, problems and prospects