TY - GEN AU - Wiersma,G B AU - Mitchell,W G AU - Stanford,C L TI - Pesticide residues in onions and soil--1969 SN - 0031-6156 PY - 1974///0726 KW - Chromatography, Gas KW - Chromatography, Thin Layer KW - DDT KW - analysis KW - Dichlorodiphenyl Dichloroethylene KW - Dichlorodiphenyldichloroethane KW - Herbicides KW - Insecticides KW - Organophosphorus Compounds KW - Pesticide Residues KW - Photometry KW - Soil KW - United States KW - Vegetables N1 - Publication Type: Journal Article ER -