Weerakoon, W.L.Seneviratne, A.M.2020-09-022020-09-021984Tropical Agriculturist, 140:p.41-50https://dl-doa.nsf.gov.lk/handle/1/2747SUSTAINABLE FARMINGFarmingWeed controlCrop yieldDry zoneManaging a sustainable farming system in the dry zone of Sri LankaArticle