Effects of nitrogen application rates on apparent soil nitrogen surplus of late sowing wheat with straw returning in ricewheat rotation. Effects of nitrogen application and winter green manure on soil active organic carbon and the soil carbon pool management index. Effects of different nitrogen regulators on nitrogen transformation in different soil types. Effects of nitrogen management on maize nitrogen utilization and residual nitrate nitrogen in soil under maize/soybean and maize/sweet potato relay strip intercropping systems. Carbon and nitrogen distributions and microbial characteristics in the soils of four types of wetlands in Sanjiang Plain, Northeast China. Soil microbial community structure of monoculture and mixed plantation stands of native tree species in south subtropical China. Effects of high temperature on Bt proteins expression and nitrogen metabolic physiology in square of Bt cotton at the peak squaring stage. Response of fine root decomposition to simulated nitrogen deposition in Pleioblastus amarus plantation, Rainy Area of West China. Characteristics of dry matter production and nitrogen accumulation in barley genotypes with high nitrogen utilization efficiency. Diversity of nitrogen-fixing microorganisms in biological soil crusts of copper mine wastelands. Effects of simulated nitrogen deposition on growth and phosphorus efficiency of Pinus massoniana under low phosphorus stress. Soil carbon and nitrogen storage of different land use types in northwestern Shanxi Loess Plateau. Accumulation of soil organic carbon and total nitrogen in Pinus yunnanensis forests at different age stages. Effects of nitrogen addition on soil physico-chemical properties and enzyme activities in desertified steppe. Fast Detection of Freshness of Chilled Pork by Real-time Quantitative PCR Functional Complement Between General Nitrogen Regulator GlnG in Escherichia coli and General Nitrogen Regulator NtrC in Pseudomonas Compare different effect of arbuscular mycorrhizal colonization on maize straw degradation Quantifying the effects of nitrogen on external quality of cut lily in greenhouse in the Yangtze River Delta Effect of nitrate nitrogen leaching of paddy field based on swing manure application in the Yellow River irrigation district of Ningxia Effects of dissolved organic matter in soil on the emission of CO2 and N2O Estimating Wetland plant leaf total nitrogen content based on optimal bands of reflectance from wetland vegetation Effects of nitrogen and phosphorus addition on soil microbial community composition in temperate typical grassland in Inner Mongolia Effects of nitrogen fertilization on enzyme activities in suface layer of red soil under mulberry cultivation Monitoring changes of soil organic matter and total nitrogen in cultivated land in Guangxi by remote sensing Effects of maize-soybean intercropping and nitrogen fertilizer on yield and agronomic traits of maize Effects of nitrogen addition on soil respiration of Sibiraea angustata shrub in the eastern margin of Qinghai-Tibetan Plateau Analysis of nitrogen inputs and soil nitrogen loading in different kinds of orchards in Shaanxi Province Effects of broadleaf plantation and Chinese fir (Cunninghamia lanceolata) plantation on soil carbon and nitrogen pools. Effects of Phyllostachys edulis expansion on soil nitrogen mineralization and its availability in evergreen broadleaf forest. Quantitative relationships between satellite channels-based spectral parameters and wheat canopy leaf nitrogen status. Coupling effects of  partitioning alternative drip irrigation with plastic mulch and nitrogen fertilization on cotton dry matter accumulation and nitrogen use. Differences in  seed kernel quality and related enzyme activities of different quality type peanut cultivars. Effects of nitrogen fertilization and straw amendment on  soil microbial biomass and soil functions after heat stress.  Changes of nitrogen fractions in horse dung during its decomposition on the typical steppe of Inner Mongolia, North China. Effects of exogenous nitric oxide on the growth and nitrogen metabolism of alfalfa seedlings under salt stress. Accumulative nitrogen deficit models of wheat aboveground part based on critical nitrogen concentration. Effects of land use type and incubation temperature on soil nitrogen transformation and greenhouse gas emission. Effects of nitrogen deposition on  leaf physiological and ecological characteristics of Lindera aggregata seedlings. Fate and balance of bulk blending controlled release fertilizer nitrogen under continuous cropping of mustard. Responses of Scutellaria baicalensis Georgi yield and root baicalin content to the fertilization rates of nitrogen, phosphorus, and potassium. Effects of  chlorimuronethyl and urea on soil microbial biomass carbon and nitrogen and soil inorganic nitrogen. Effects of habitat change on nutrient contents in Quercus variabilis seedlings. Effects of nitrogen application period on the nitrogen metabolism key enzymes activities and antioxidant characteristics of high-yielding summer maize. Control effect of different covering patterns on indigenous nutrient release from sediment. Effects of extraneous inorganic nitrogen forms on the dynamics of soil amino sugars. The effect of nitrogen deposition on forest soil organic matter and litter decompostion and the microbial mechanism Nitrogen flows in"crop -edible mushroom"production systems in Hexi Corridor Oasis Irrigation Area Effect of nitrogen addition to soil respiration in Cinnamomum camphora forest in subtropical China Effects of water and nitrogen under root restriction on photosynthetic characters of cotton plants grown with under-mulch drip irrigation The early effects of nitrogen addition on CH4 uptake in an alpine meadow soil on the Eastern Qinghai-Tibetan Plateau Decomposition characteristics of maize roots derived from different nitrogen fertilization fields under laboratory soil incubation conditions Effects of precipitation and nitrogen addition on photosynthetically ecophysiological characteristics and biomass of four tree seedlings in Gutian Mountain, Zhejiang Province, China Long-term effects of harvest residue management on soil total carbon and nitrogen concentrations of a replanted Chinese fir plantation Photosynthesis-nitrogen relationship in evergreen and deciduous tree species at different altitudes on Mao’er Mountain, Guangxi Effects of long-term fertilization on aggregate dynamics and organic carbon and total nitrogen contents in a reddish paddy soil Effect of different fertilizer combinations and straw return on microbial biomass and nitrogen-fixing bacteria community in a paddy soil Effects of nitrogen management on NH3 volatilization and nitrogen use efficiency under no-tillage paddy fields Advances in effects of conservation tillage on soil organic carbon and nitrogen Effects of N addition on nutrient resorption efficiency and C:N:P stoichiometric characteristics in Stipa bungeana of steppe grasslands in the Loess Plateau, China Estimating the nitrogen content in wheat leaves by near-infrared reflectance spectroscopy Effect of fallow and fertilization on soil mineral nitrogen in summer maize Effect of regulated deficit irrigation on soil nitrogen in spring wheat fields Population quality and grain yield construction of mid-season indica hybrid rice “Wandao153” under different N applications Effect of copper methionine on nutrient metabolism and serum physico-chemical parameters in Simmental steer Nitrogen in wet deposition in Shanghai area and its effects on agriculture ecosystem Effects of humic acid compound fertilizers on the nitrogen utilization and effects on the following rape Effects of different C/N combinations of fertilizers on biological fixation and release of nitrogen fertilizer and wheat growt Effect of fertilizer application mode on edaphon in black soil in Songnen Plain Analysis of the factors affecting soil nitrogen loss through runoff Effects of different fertilizer application countermeasures on the soil nitrate nitrogen accumulation in dryland maize. Effects of nitrogen application and remained leaves on the N uptake and nicotinc content of flue-cured tobacco Review on studies on the important role of symbiotic nitrogen fixation in agricu lture and livestock production and the factors affecting its efficiency Factors influencing the N and P loss from farmland runoff in Dianchi watershed Effect of Nitrogen Sources on the growth of Phaeocystis globosa Distribution and potential contamination assessment of biogenic elements in surface sediments from Nan’ao mariculture areas,Shantou Influence of soil nitrogen concentration and solar radiation on Davidia involucrate Baill seedlings’ growth On nitrogen and phosphate,and environmental quality assessment of the Yellow River Estuary and adjacent waters Colonial cell growth of Dunaliella salina and Platymonas subcordiformis under different inoculation density and nitrogen concentration Study on nitrogen and phosphorus content in the leaves of dominant plant species in sandy hills along Poyang Lake Inoculation of nitrogen-fixing bacteria and phosphate-solubilizing bacteria on the growth of Rhizophora stylosa