Sirisena, D.N.Wanninayake, W.M.N.De Silva, A.G.S.2020-08-182020-08-182015Tropical Agriculturist, 163:p.89-99https://dl-doa.nsf.gov.lk/handle/1/2506Exchangeable KK fertilizerNon exchangeable KRiceStrawPotassium dynamics in irrigated low land paddy soils and its relation to plant K and grain yield of riceArticle