Mitra, J.Raghu, K.2012-04-102012-04-101999Tropical Agricultural Research and Extension2(1)pp.33-39https://dl.nsf.gov.lk/handle/1/8017AgricultureDDT residuesPesticidesMustardPeanutCrop productivitySoybeanPlant protectionSoil pollutionOilseed cropsEffect of DDT residues in soil on productivity of oil seed cropsArticle