The control of mites on apple trees sprayed with DDT.
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D000818:Animals; D003634:DDT; D003632:Dichlorodiphenyldichloroethane / Q000031:analogs & derivatives; D007300:Insect Control; D027845:Malus; D008925:Mites; D014197:Trees
D003634:DDT; D003632:Dichlorodiphenyldichloroethane