EFFECTS OF NITROGEN ADDITIONS ON A LEYMUS CHINENSIS POPULATION IN TYPICAL STEPPE OF INNER MONGOLIA MONITORING LEAF CARBON AND NITROGEN STATUS IN WHEAT WITH LEAF COLOR CHARACTERISTICS EFFECTS OF SIMULATED NITROGEN DEPOSITION ON BIOMASS PRODUCTION AND ALLOCATION IN SCHIMA SUPERBA AND CRYPTOCARYA CONCINNA SEEDLINGS IN SUBTROPICAL CHINA PHOTOSYNTHESIS AND NITROGEN UTILIZATION IN LEAVES OF CINNAMOMUM BURMANNI GROWN UNDER ELEVATED ATMOSPHERIC NH3 CONCENTRATIONS AND SUPPLIED WITH DIFFERENT FORMS OF SOIL N A REVIEW: FACTORS INFLUENCING FINE ROOT LONGEVITY IN FOREST ECOSYSTEMS STUDIES ON THE FATE OF LABELLED NITROGEN APPLIED TO A LEYMUS CHINENSIS COMMUNITY OF TYPICAL STEPPE IN INNER MONGOLIA GRASSLAND Seasonal Nitrogen Retention in Temperate Hardwood Forests Decomposition of Plant Residue as Influenced by its Lignin and N Itrogen Net Soil Nitrogen Mineralization in Chinese Forest Ecosystems Effects of Zinc on Rhizobia-Earleaf Acacia (Acacia auriculaeformis) Symbiotic Association Nutrient Cycling of N and P by a Mixed Forest of Cunninghamia lanceolata and Tsoongiodendron odorum in Subtropical China Distribution of Soil Carbon, Nitrogen and Phosphorus Along Northeast China Transect (NECT) and Their Relationships with Climatic Factors Biogeochemical Cycling of Nitrogen at a Tropical Seasonal Rain Forest in Xishuangbanna, Sw China Dry-Season Dynamics of Soil Inorganic Nitrogen Pools in Primary Lithocarpus xylocarpus Forest and Degraded Vegetation in Ailao Mountain, Yunnan Province Temperature and Moisture Effects on Soil Nitrogen Mineralization in Deciduous Broad-Leaved Forest Changes in Nitrogen Metabolism Indices of Arachis hypogea Leaves During Leaf Senescence Material-flow Structure and Nitrogen-recycling Efficiency of Kangji Ecological Farm Macroscopic Features of Nitrogen Transformation and Cycling in the Agroecosystem in China and It‘s Implications to Ecological Agriculture Effects of Applying Molybdenum to Soybean and Intercropped Maize on the Increase of Nitiogen and Yield Effects of supplying organic fertilizer in combination with inorganic one on distribution of nitrogen in vegetable crops A preliminary study of economic characters of mulberry planted within contour hedgerows of nitrogen fixing plants Integrated effect of chemical nitrogen fertilizer in high-yielding wheat field system Comparison between the fertilizers efficiency and apparent efficiency of nitrogen of new-type N-fertilizers A review of the ecological studies on symbiotic nitrogen fixation of actinmyces with nonlegumes Robinia pseudoacacia L-An excellent species for afforesting the limestone hills in north Guangdong Province Effects of allelochemicals on nitrogen absorption of wheat seedling The mechanism behind genotypic differences for nitrogen use efficiency in crops Characters of nitrogen circulation in eco-agriculture Dynamic of denitrification rate and N2O flux in maize field Farmland nutrient balance of nitrogen, phosphorus and potassium in Gansu Nitrogen balance of agro-ecosystem in a typical watershed in the hilly area of central Sichuan Basin Marine Nitrogen-Fixing Organisms and Their Contribution to the N and C Requirement for Marine Biological Production On the Small Scale Spatial Heterogeneity of Soil Moisture, Carbon and Nitrogen in Stipa Communities of the Inner Mongolia Plateau Effects of the NO3--N on nodule formation and nitrogen fixing of peanut Nitrogen fixation potential of biological soil crusts in Heidaigou open coal mine, Inner Mongolia, China. Effects of exogenous melatonin on nitrogen metabolism and osmotic adjustment substances of melon seedlings under sub-low temperature. Isolation and Identification of a Heterotrophic Nitrifying Bacterium and Its Mutation Breeding by UV-irradiation Early nitrogen deposition effects on CO2 efflux from a cold-temperate coniferous forest soil Estimating total nitrogen content in water body based on reflectance from wetland vegetation Effect of Ipomoea aquatica Floating-bed on the quantity and distribution of nitrogen cycling bacteria and nitrogen removal Protein expression characteristics and their response to nitrogen application during grain-filling stage of rice (Oryza Sativa.L) Distribution characteristics of plant communities and soil organic matter and main nutrients in the Poyang Lake Nanji Wetland Effects of uniconazole dry seed dressing on nitrogen accumulation and translocation and kernel protein quality in wheat Soil carbon, nitrogen and phosphorus ecological stoichiometry of Phragmites australis wetlands in different reaches in Minjiang River estuary Screening and identification of associative nitrogen fixation bacteria in rhizosphere of sugarcane in Guangxi Dynamics of soil organic carbon and total nitrogen contents in short-rotation triploid Populus tomentosa plantations Effects of nitrogen form on the activity of nitrogen bacteria group and inorganic nitrogen in rhizosphere soil of winter wheat Differential effects of nitrogen managements on nitrogen, dry matter accumulation and transportation in late-sowing winter wheat Nitrogen budget modelling at the headwaters of Urumqi River Based on the atmospheric deposition and runoff Changes of residents nitrogen consumption and its environmental loading from food in Xiamen Effects of soil erosion control measures on soil organic carbon and total nitrogen in a small watershed Root distribution in the different forest types and their relationship to soil properties Responses of N and P stoichiometry on mulching management in the stand of Phyllostachys praecox Correlation analysis of spatial variability of Soil available nitrogen and household nitrogen inputs at Pujiang County Temporal and spatial variations of DOC, DON and their function group characteristics in larch plantations and possible relations with other physical-chemical properties Ecological compensation standard for controlling nitrogen non-point pollution from farmland: a case study of Yixing City in Jiang Su Province The seasonal variations of nitrogen and phosphorus release and its fluxes from the sediments of the Beili Lake in the Hangzhou West Lake Dynamic changes of soil moisture and nitrate nitrogen in wheat and maize intercropping field under different nitrogen supply Responses on rhizosphere effect of two subalpine coniferous species to night-time warming and nitrogen fertilization in western Sichuan, China Effects of ferulic acid, p-hydroxybenzoic acid and their mixture on mineral nitrogen and relative microbial function groups in forest soils The responses of photosynthetic energy use in wheat flag leaves to nitrogen application rates and light density under elevated atmospheric CO2 concentration Spatial variability of forest soil total nitrogen of different soil layers Coexistence, biodiversity and roles of ammonia-oxidizing archaea and anaerobic ammonium-oxidizing bacteria in deep soil layer of high nitrogen loaded paddy field Effects of supplemental irrigation based on measured soil moisture on nitrogen accumulation, distribution and grain yield in winter wheat Seasonal variation of soil nitrogen pools and microbes under natural evergreen broadleaved forest and its artificial regeneration forests in Southern Sichuan Province, China Role of nitrogen-fixing trees in mixed forest Ⅱ. Seasonal variation patterns of N and P contents in leaves of nitrogen-fixing trees Soil NO3--N transport under field unsaturated flow condition——a simulation study Role of nitrogen-fixing trees in mixed forest Ⅰ. Nitrogen fixation and tree growth of mixed stand with Hippophae rhamnoides A disturbed ecosystem Ⅱ. Nitrogen cycling and its regulation in tussah-feeding oak plantation Dynamics of N, P and K in litters on Aneurolopidium chinense grassland Infectiveness of Frankia strains from Hippophae rhamnoides Effects of different land use patterns on microbial biomass carbon and nitrogen in Guangdong Province Researches on the greenhouse gas leakage and net mitigation potentials of soil carbon sequestration measures in croplands CO2 emission from paddy soils in Xishuangbanna, Southwest China Temporal and spatial variation of soil nitrogen mineralization in northern slope of Changbai Mountain in Northeast China Review of researches on nitrogen utilized by arbuscular mycorrhiza The influence of urbanization on nitrogen emission to water in food consumption system of China Effects of light intensity and nitrogen application on the growth and photosynthetic characteristics of Trifolium repens L. Seasonal dynamics of nitrogen and phosphorus concentrations, and nutrient resorption efficiencies of Casuarina equisetifolia branchlets in Dongshan County, Fujian Quantification of atmospheric nitrogen deposition at Guiyang area based on nitrogen concentration of epilithic mosses