Dissanayake, S.T.Wirasinghe, S.2020-12-072020-12-072000Annals of the Sri Lanka Department of Agriculture, 2:p.381-393https://dl-doa.nsf.gov.lk/handle/1/2953FERTILIZERSNutrient ManagementRiceReview of extension activities on plant nutrient management in riceArticle