Wickramasinghe, W.Samarasinghe, G.Hector Kobbekaduwa Agrarian Research and Training Institute2014-07-182014-07-182010978-955-612-104-9https://dl-harti.nsf.gov.lk//handle/1/2377xi, 81p.Fertilizer SubsidyRiceFarmingFertiliser policy on paddy farming:an evaluation of 2005 subsidy programme