Pesticide residues in sweetpotatoes and soil--1969.
D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D003634:DDT / Q000032:analysis; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D010573:Pesticide Residues / Q000032:analysis*; D012987:Soil / Q000032:analysis*; D014481:United States; D014675:Vegetables / Q000032:analysis*
D010573:Pesticide Residues; D012987:Soil; D003633:Dichlorodiphenyl Dichloroethylene; D003634:DDT; D004026:Dieldrin; D003632:Dichlorodiphenyldichloroethane