Henegedara, G.M.Senanayaka, M.S.Aheeyar, M.M.M.Wickramasinghe, W.D.Shantha, W.H.A.Vidanapathirana, R.P.Hector Kobbekaduwa Agrarian Research and Training Institute2014-07-182014-07-182007978-955-612-8776https://dl-harti.nsf.gov.lk//handle/1/2352xii, 224p.Agricultural pricesCerealsPulsesBulbsTubersOil crops