title: Effect of some chlorinated hydrocarbon insecticides on nitrification in soil.
mesh_terms: D001419:Bacteria / Q000187:drug effects / Q000378:metabolism*; D004026:Dieldrin / Q000494:pharmacology; D001556:Hexachlorocyclohexane / Q000494:pharmacology; D006846:Hydrocarbons, Halogenated / Q000494:pharmacology*; D007306:Insecticides / Q000494:pharmacology*; D009566:Nitrates / Q000096:biosynthesis*; D012988:Soil Microbiology; D013997:Time Factors
chemical_list: D006846:Hydrocarbons, Halogenated; D007306:Insecticides; D009566:Nitrates; D001556:Hexachlorocyclohexane; D004026:Dieldrin