Herath, H.M.E.Wahab, M.N.J.Arulnandhy, V.2021-03-312021-03-311978Tropical Agriculturist, 134:p.33-41https://dl-doa.nsf.gov.lk/handle/1/3092NITROGENCassavaPotashInfluence of nitrogen and potash on cassavaArticle