Effects of enrofloxacin on molecular diversity of nitrous oxide reductase genes (nosZ) SCREENING OF HYBRIDOMA SECRETING MCAB TO ENROFLOXACIN AND DEVELOPMENT OF COMPETITIVE ELISA ENR-KIT Effects of enrofloxacin on functional diversity of soil microbial communities Effects of enrofloxacin on molecular diversity of nitrogenase reductase genes (nifH) Effects of enroflixacin on microorganisms in wetlands Effects of enrofloxacin residues on the functions of soil microbes