Effects of nitrogen management on yield, quality, nitrogen accumulation and its transportation of watermelon in gravelmulched field. Effects of elevated atmospheric CO2 and nitrogen application on cotton biomass, nitrogen utilization and soil urease activity. Effects and mechanism of freeze-thawing cycles on key processes of nitrogen cycle in terrestrial ecosystem. Effects of different application rates of calcium cyanamide on soil microbial biomass and enzyme activity in cucumber continuous cropping. Effects of high temperature on Bt protein content and nitrogen metabolic physiology in boll wall of Bt cotton. Vertical distribution characteristics of N2O emission in tea garden and its adjacent woodland. Regional differences of inputs of organic matter and chemical fertilizer in South Central China. Effects of nitrogen application rates and straw returning on nutrient balance and grain yield of late sowing wheat in ricewheat rotation. Effects of NO3- stress on photosynthetic characteristics and nitrogen metabolism of strawberry seedlings. Effects of long-term different fertilizations on biomass and nutrient content of maize root. Estimation of sugar to nitrogen ratio in wheat leaves with near infrared spectrometry. Index screening and comprehensive evaluation of phenotypic traits of low nitrogen tolerance using BILs population derived from Dongxiang wild rice Effects of dicyandiamide combined with nitrogen fertilizer on N2O emission and economic benefit in  winter wheat and summer maize rotation system. Multiple time scales analysis of spatial differentiation characteristics of non-point source nitrogen loss within watershed. Prediction of total nitrogen and alkali hydrolysable nitrogen content in loess using hyperspectral data based on correlation analysis and partial least squares regression. Further reduction of nitrogen fertilizer application in paddy field under green manuring of Taihu Area, China. Effects of fertilization method and nitrogen application rate on soil nitrogen vertical migration in a Populus ×euramericana cv. ‘Guariento’ plantation. Net anthropogenic nitrogen input to Huaihe River Basin, China during 1990-2010. Effects of crop rotation and bioorganic manure on soil microbial characteristics of Chrysanthemum cropping system. Effects of sugarcane-soybean intercropping on cane yield, quality and economic benefit under low nitrogen condition. Nitrification of biological soil crusts and soil system during drought process and its response to temperature and moisture: A case study in the Shapotou region, Northwest China. Dynamics of carbon and nitrogen storage of Cupressus chengiana plantations in the arid valley of Minjiang River, Southwest China. Characteristics of ‘salt island’ and ‘fertile island’ for Tamarix chinensis and soil carbon, nitrogen and phosphorus ecological stoichiometry in saline-alkali land. Storage and allocation of carbon and nitrogen in Pinus tabuliformis plantations on the south slope of the East Qinling Mountains, China. Effects of reduced nitrogen application and soybean intercropping on nitrogen balance of sugarcane field. Inhibition of decomposing leaf litter of Cinnamomum camphora on growth of Capsicum annuum and the alleviation effect of nitrogen application. Effects of phosphorus fertilization on yield of winter wheat and utilization of soil nitrogen. Effects of Postponing Nitrogen Application on Grain Filling Characteristics and Yield Components of Winter Wheat Suffered Waterlogging after Anthesis Effect of Water and Nitrogen Availability on the Generation and Scavenging of Reactive Oxygen Species in Leaves of Robinia pseudoacacia Seedlings Effects of Nitrogen-limited Culture on Water Content and Chlorophyll Fluorescence Parameters in Chlorella sorokiniana Effect of Nitrogen Deposition on Species Diversity and Community Composition of Herbaceous Vegetation in Desert Steppe Effect of Introducing Biennial Legume Species,Melilotus officinalis,on Plant Community in the Early Stage of Vegetation Succession and Soil Nutrients in the Semiarid Loess Plateau of China Effects of water and nitrogen application on photosynthetic characteristics and yield of winter wheat in the late growing and developing period The solution nitrogen of vegetable in nutrient solution and its regulation Effects of elevated atmospheric CO_2 concentrations on growth of plants Genotypic variations for nitrogen use efficiency in winter wheat I.Effects of N uptake and utilization efficiency on grain yields Study on the relationof NRA and nitrogen accumulationin leaves of different protein content wheats STUDIES ON THE CHARACTERISTICS RELATED TO SYMBIOTIC NITROGEN FIXATION OF LEGUMES IN HEXI CORRIDOR,GANSU EFFECTS OF NITROGEN ON THE DYNAMIC CHANGE OF NITRATE REDUCTASE ACTIVITY AND GRAIN PROTEIN CONTENT OF WHEAT Response of the N-Cycling Associated Soil Microorganism to Simulated N Deposition in a Plantation of Cunninghamia lanceolata Effects of Soil Fauna to Nitrogen and Phosphorus Releases during Litter Decomposition at Different Phenological Stages in the Subtropical Evergreen Broad-Leaved Forest in Sichuan Basin Seasonal Dynamics of Soil Nitrogen Transformation along Subalpine Elevational Gradient of Western Sichuan Foliar δ 13C and Nitrogen Use Efficient of Populus deltoides and the Different Growth Vigor F1 Hybrid Clones Nutrient Release in Decomposition of Leaf Litter in Neosinocalamus affinis Stands in Response to Simulated Nitrogen Deposition in Rainy Area of Western China Advances in Studies on Nitrogenase Crystallography Effects of Nitrate on the Growth of Lateral Root and Nitrogen Absorption in Rice Study on effect of enhancing yield of winter wheat by applying two kinds of controlled release nitrogen fertilizer Dynamics of different soil nitrogen pools after appIying different types of nitrogen fertilizers Dynamics of soil fixed NH4+ and soil microbiomass nitrogen in the growing season of winter wheat Effect of applying controlled release nitrogen fertilizer on yield enhancement of winter wheat Efects of application of nitrogenous fertilizer on the short-dated cotton of top removal planting type Effect of nitrogen fertilizers on methane oxidation in soils by methan otrophs Effects of cooperation between associative azotobacteria and rhizobia on wheat seedling Effects of nitrogen nutrition on the physiological characteristics of wheat colony in dryland Effects of adding chemical nitrogen and phosphorus on mineralization of soil organic nitrogen. A summary of soil microbial biomass nitrogen Index of precision fertilizer in high yield region of Taihang Piedmont Study on the annual balance application of nitrogen fertilizer in the system of wheat relay intercropped with corn and peanut Characteristics of nitrogen leaching of rice-wheat rotation field in Taihu Lake area Effect of different amounts of nitrogen and phosphorus fertilizers applied on soil microbial biomass during corn growth periods Changes of Nitrate-N Accumulated in soil profile after changing grain crop land into vegetables land Dynamic Changes of Traits of Leaves from Elaeagnus mollis Effects of nitrogen application rate on dry matter accumulation, nitrogenefficiency, and potassium and sodium uptake of sweet potato (Ipomoea batatas) in coastal North Jiangsu Province Effect of regulated deficit irrigation and nitrogen fertilization on maize leaf protective system Root morphology and nitrogen accumulation in soybean (Glycnie max L.) under different nitrogen application levels Soil soluble organic matter, microbial biomass, and enzyme activities in forest plantations in degraded red soil region of Jiangxi Province, China. Seasonal Variation in Contents of C, N and P and Stoichiometry Characteristics in Fine Roots, Stems and Needles of Larix principis-rupprechtii The dynamics of nitrate nitrogen leaching through soil in high-yield farmland ecosystem A preliminary report on the ecological performance of Desmodium heterocarpum DC vat.strigosum Van Meeuwen Effects of low nitrogen stress on source-sink characters and grain- filling traits of different genotypes summer maize. Influence of different NH4+/NO3- ratios on nitrogen metabolism of cotton Leaching loss of nitrogen in rice field N and P balances in farmland ecosystem and their response to fertilizers Storage and allocation of carbon and nitrogen in Robinia pseudoacacia plantation at different ages in the loess hilly region, China. Spatial heterogeneity of soil organic carbon and total nitrogen in a monsoon evergreen broadleaf forest in Dinghushan, Guangdong, China. Effects of tree species transfer on soil dissolved organic matter pools in a reforested Chinese fir (Cunninghamia lanceolata) woodland. Basic features and monitoring methodologies of atmospheric nitrogen deposition. Seasonal dynamics of soil labile nitrogen pools and net nitrogen mineralization in subalpine forests along an elevational gradient in western Sichuan, China. Effects and influence factors of dicyandiamide (DCD) application in agricultural ecosystem. Responses of riverine nitrogen export to net anthropogenic nitrogen inputs: A review.