Mathangaweera, S.Warnakulasooriya, H.U.2019-10-172019-10-172017Annals of the Sri Lanka Department of Agriculture, 19(2):p.348-349https://dl-doa.nsf.gov.lk/handle/1/1583ThattumaaruKattimaaruRotational cultivationA study on paddy production with rotational and non rotational cultivators in Kalutara districtArticle