title: The effect of some pesticides on asymbiotic N2-fixation in Egyptian soil.
mesh_terms: D004534:Egypt; D009586:Nitrogen Fixation / Q000187:drug effects*; D009591:Nitrogenase / Q000378:metabolism; D010575:Pesticides / Q000494:pharmacology*; D012988:Soil Microbiology
chemical_list: D010575:Pesticides; D009591:Nitrogenase