Microorganism and nitrogen transformation in forest soil Macroscopic Features of Nitrogen Transformation and Cycling in the Agroecosystem in China and It‘s Implications to Ecological Agriculture Effects of amino acid additions on nitrogen transformation in subtropical forest soil Effects of different planting modes on soil nitrogen transformation and related enzyme activities. Effect of different fertilization patterns on rice yield and nitrogen uptake and transformation in soil Seasonal Dynamics of Soil Nitrogen Transformation along Subalpine Elevational Gradient of Western Sichuan Effects of four fumigants on soil nitrogen transformation Effects of polycoated urea and subsoiling on nitrogen transformation and utilization in a maize field Effects of vegetation type and slope position on soil nitrogen transformation rate in Karst regions Effects of snow pack on soil nitrogen transformation enzyme activities in a subalpine Abies faxioniana forest of western Sichuan, China. Effect of biochar on nitrogen forms and related microorganisms of rhizosphere soil of seedling maize Effects of transgenic BADH soybean on nitrogen transformation in saline-alkaline soil Nitrogen-15 labeling and nitrogen transformation in silage maize-cattle manure system Economic values of nitrogen transformation in rice field ecosystems Effect of incorporating corn residues into soil on nitrogen transformation in soil-plant ecosystem Effect of nitrogen addition and mowing on soil nitrogen mineralization in abandoned grasslands in Inner Mongolia Effects of different nitrogen regulators on nitrogen transformation in different soil types. Characteristics of ammonia volatilization and nitrous oxide emission of different fermentation beds in pig pens Biological factors influencing nitrogen transformation in wheat fields of lime concreted black soils and their response to different nitrogen supplications