Research progress on ammonia-oxidizing microorganisms in estuarine ecosystem Chemical Mutagenesis Breeding of Protoplast of Ammonia-oxidizing Bacteria Characteristics of ammonia-oxidizing bacteria and ammonia-oxidizing archaea abundance in soil organic layer under the subalpine/alpine forest Effects of long-term N fertilizer application and liming on nitrification and ammonia oxidizers in acidic soils Advances in ammonia-oxidizing microorganisms and global nitrogen cycle Research progress on the microbial ecology of aerobic ammonia-oxidizing bacteria Effect of N application on fertilizer-N use efficiencies, nitrification and nitrifying microorganisms in rhizosphere soil growing with different lowland rice cultivars Effects of fertilization and soil management on microbial biomass and communityBI Mingli1,2, YU Wantai1,*, JIANG Zishao1, ZHOU Hua1, SHEN Shanmin1 Soil nitrification in root surface and rhizosphere at late growth stages of rice cultivars with different N use efficiency Effects of three land use patterns on diversity and community structure of soil ammonia-oxidizing bacteria in Leymus chinensis steppe