title: Insecticides and soil microorganisms. I. Effect of dipterex on the growth of Rhizobium leguminosarum and Rhizobium trifolii as influenced by temperature, pH and type of nitrogen.
mesh_terms: D000645:Ammonium Sulfate; D006863:Hydrogen-Ion Concentration; D009566:Nitrates; D009584:Nitrogen; D012231:Rhizobium / Q000187:drug effects* / Q000254:growth & development; D012988:Soil Microbiology / Q000187:drug effects*; D013696:Temperature; D014236:Trichlorfon / Q000494:pharmacology*
chemical_list: D009566:Nitrates; D014236:Trichlorfon; D009584:Nitrogen; D000645:Ammonium Sulfate