PHOTOSYNTHESIS AND NITROGEN UTILIZATION IN LEAVES OF CINNAMOMUM BURMANNI GROWN UNDER ELEVATED ATMOSPHERIC NH3 CONCENTRATIONS AND SUPPLIED WITH DIFFERENT FORMS OF SOIL N Impact of fertilization method on soil nitrous oxide emissions and ammonia volatilization during summer maize growth period Effect of atmospheric NH3 and hydroponic solution nitrogen levels on chlorophyⅡ fluorescence of corn genotypes with different nitrogen efficiencies Effects of nitrogen management on NH3 volatilization and nitrogen use efficiency under no-tillage paddy fields Dynamics of atmospheric ammonia concentrations near different emission sources Ammonia Volatilization Characteristics and Its Physiological Regulation in Flue-cured Tobacco Leaves during Senescence Effects of Elevated NH3 on the Photosynthetic Physiological Characteristics in Winter Wheat Leaf with Various N levels NH3 and N2O emission and nitrogen loss rate from biogas liquid produced by pig slurry after topdressing on vegetable fields INFLUENCE OF INCREASED ATMOSPHERIC NH3 ON PHYSIOLOGY INDEX AND BIOMASS OF MAIZE WITH DIFFERENT N EFFICIENCY Effects of microbial agents on NH3 emission during pig manure composting NITROGEN LOSS FROM ABOVE-GROUND PLANTSBY VOLATILIZATION Studies on the Ammonia Volatilization from Perennial Ryegrass Turf after Fertilization Effects of superphosphate addition on NH3 and greenhouse gas emissions during vegetable waste composting. EFFECT OF SODIUM CARBONATE STRESS ON AMINO ACID CONTENTS OF PUCCINELLIA TENUIFLORA SEEDLINGS Differences in NH3 compensation point among tobacco (Nicotiana Tabacum L.) cultivars and its relationship with N metabolization Atmospheric N wet deposition in Hangzhou region under rice\|wheat\|vegetable cropping system Effects of chemical fertilizers application combined with manure on ammonia volatilization and rice yield in red paddy soil Variations of photosynthetic parameters in leaves of Acacia auriculaeformis grown in different nitrogen sources under increased atmospheric NH3