Effect of Nitrogen Supply on the Nitrogen Use Efficiency of an Annual Herb, Helianthus annuus L. Nitrogen use efficiency and its relationship with nitrogen nutrition characteristics of wheat varieties Effects of nitrogen application on nitrogen balance and use efficiency and yield of summer maize in soil with high residual nitrogen Study on Difference and Primarily Mechanism of Nitrogen UseEfficiency (NUE) in Populus nigra Seedlings Genotypes Effects of dairy effluents irrigation on yield and nitrogen use efficiency of winter wheat and soil nitrate nitrogen Effect of the interaction of nitrogen and transplanting density on the rice population structure and grain yield in low-yield paddy fields Analysis of high and stable yield characteristics of "Kn199" winter wheat cultivar Use efficiency and fate of applied nitrogen in long-term tomato districts of Taiyuan Effect of slow-release compound fertilizer on nitrogen nutrient in soil and ryegrass Effects of nitrogen application patterns on yields of winter wheat and summer maize and nitrogen use efficiency Effect of nitrogen fertilizer application and nitrogen use efficiency of early, mid and late rice in Hubei Province Characteristics of dry matter production and nitrogen use efficiency of 37 spring maize hybrids with high-yielding potential in north of China Effects of interaction between density and nitrogen on the yield,quality andnitrogen use efficiency of watermelon in gravel-mulched field Effects of nitrogen fertilization on grain yield and nitrogen use efficiency of double cropping rice  Nitrogen managements of late japonica rice in double-cropping rice area Effects of nitrogen application rates on physiological characteristics of functional leaves, nitrogen use efficiency and yield of cotton Growth and 15N use efficiency in cotton affected by biochar made in different temperatures Effects of combined maize straw and N application on soil nitrogen surplus amount and yield of winter wheat Grain Yield and Nitrogen Use Efficiency of Mid-season Indica Rice Cultivars Applied at Different Decades Differences in Yield Response to Nitrogen Fertilizer among Rice Cultivars and Their Relationship with Root Morphology and Physiology Effects of Cultivation Patterns on Root Morph-physiological Traits and Aboveground Development of Japonica Hybrid Rice Cultivar Changyou 5 Effects of Nitrogen Application and Film Mulching on Yield Performance Parameters and Nitrogen Use Efficiency of Spring Maize in the Middle Reaches of Yangtze River Effects of Water Management and Slow/Controlled Release Nitrogen Fertilizers on Biomass, Nitrogen Accumulation, Translocation, and Distribution in Rice Distribution pattern of leaf traits in canopy of typical broad leaved trees in Taiyue Mountain Yield of Silage Corn (Zea mays L.) and N Utilization Efficiency As Effected by Slow-Release Nitrogen Effects of intercropping time and planting density on nitrogen use efficiencyof melon-sunflower intercropping system Nitrogen use efficiency in stereoscopic planting rice field in North China Genotypic variations for nitrogen use efficiency in winter wheat I.Effects of N uptake and utilization efficiency on grain yields Effects of N and P additions on foliar stoichiometry and photosynthetic characteristics of Potentilla fruiticosa Genotype Differences of Fertilizer-Nitrogen Use Efficiency in Waxy Corn Characteristics of Dry Matter Accumulation and Distribution in Conventional indica Rice Cultivars with Different Nitrogen Use Efficiency for Grain Output Main Index of Source and Sink in Nitrogen Use Efficiency for Grain Output in Conventional Indica Rice Cultivars Amount of Irrigation and Nitrogen Application for Maize Grown on Sandy Farmland in the Marginal Oasis in the Middle of Heihe River Basin Influence of Nitrogen Treatment on Yield and Its Relation to Leaf Photosynthesis Characteristics of Japonica Rice Variety Zhejing22 at Late Growing Stage GENOTYPIC DIFFERENCE OF NITROGEN USE EFFICIENCY IN RICE ITS MORPHOLOGICAL AND PHYSIOLOGICAL MECHANISMS Effects of tillage mode and nitrogen application rate on nitrogen use efficiency of wheat in a farming-pasture zone of North China. Responses of Physio-Biochemical Properties to N-Fertilizer Application and Its Relationship with Nitrogen Use Efficiency in Rice (Oryza sativa L.) Effects of sulfur- and polymer-coated controlled release urea fertilizers on wheat yield and quality and fertilizer nitrogen use efficiency. Responses of rice-wheat rotation system in south Jiangsu to organic-inorganic compound fertilizers. EFFECTS OF DIFFERENT FERTILIZATION MODELS ON PHYSIOLOGICAL
CHARACTERISTICS,YIELD AND AGRONOMIC NITROGEN USE
EFFICIENCY IN RICE (Oryza sattva L.)
Effect of applying controlled release nitrogen fertilizer on yield enhancement of winter wheat Eco-physiological mechanism on nitrogen use efficiency difference of corn varieties Real maize roots in the soil and issues should be considered by study Effects of different mixture rates of coated urea and prilled urea on rice grain yield and nitrogen use efficiency Best crop management practices increase rice yield and
   nitrogen use efficiency
Relationship between photosynthetic nitrogen use efficiency and nitrogen allocation in photosynthetic apparatus of winter oilseed rape under different nitrogen levels 灌溉与施氮对黑河中游新垦农田土壤硝态氮积累及氮素利用率的影响 Spatiotemporal distribution characteristics of synthetic nitrogen fertilizer use efficiency in maize fields in China Differential effects of nitrogen managements on nitrogen, dry matter accumulation and transportation in late-sowing winter wheat THE STUDY ON EFFECT OF ZEOLITE ON NITROGEN USE EFFICIENCY OF CORN BY ~(15)N-ISOTOPE DILUTION METHOD How nitrogen and drought stress affect growth and nitrogen use efficiency for Fuji and Qinguan apple seedlings Effects of subsoiling and N fertilizer application on dry matter accumulation, nitrogen use efficiency and yield of summer maize Effects of irrigation on nitrogen uptake and distribution of wheat using the 15N tracer technique Effects of interaction between density and nitrogen on grain yield and nitrogen use efficiency of winter wheat Maize growth and nutrient uptake as influenced by nitrogen management in Jilin province Effects of different cultivation patterns and nitrogen fertilizer on accumulation, distribution and use efficiency of nitrogen in winter wheat/summer maize rotation system on semi-dryland farming Effects of nitrogen application and irrigation on soil nitrate accumulation, nitrogen balance and use efficiency in summer maize Changes in nitrogen accumulation, distribution, translocation and nitrogen use efficiency in different wheat cultivars under different irrigation conditions Plant nitrogen utilization and soil nitrogen status in rhizosphere of maize as affected by various nitrogen rates in wheat-maize rotation system 不同小麦品种(系)吸收利用氮素效率的差异及有关机理研究 Ⅲ.影响利用效率的因素分析 Characteristics of Yield and Yield Components in Conventional Indica Rice Cultivars with Different Nitrogen Use Efficiencies for Grain Output Effects of Nitrogen Fertilizer on Nitrogen Use Efficiency and Yield of Rice under Different Soil Conditions Effects of the Amount of Basic and Tillering Nitrogen Applied on Absorption and Utilization of Nitrogen in Rice Effect of Nitrogen and Irrigation on Yield, Water and Nitrogen Use Efficiency of Corn Seed Production in Hexi Area in China Nitrogen Absorption and Allocation in Catapla bungei Clones Using the Technique of 15N-tracing Trade-off between Resource Utilization and Coexistence Status of Roegneria kamoji and Polygonum sphaerostachyum of Alpine Meadow in the South of Gansu Soil nitrification in root surface and rhizosphere at late growth stages of rice cultivars with different N use efficiency Real nitrogen use efficiency of crop as affected by long-term fertilization in typical soils of China Effects of nitrogen fertilization on potato tuber yield, N uptake and soil NO3--N accumulation under plastic cover with drip irrigation Simulation and analysis of water balance and nitrogen leaching using Hydrus-1D under winter wheat crop Organic nitrogen use by plants and its significance in some natural ecosystems Enhancement effect by nitrate on rice plant during the whole growth period and its physiological mechanisms Effects of film mulching on nitrogen use efficiency of spring maize and soil available nitrogen variations in the middle reaches of Yangtze River A comparison of the effects of controlled release urea, stable urea and microorganisms increasing double rice yield and nitrogen use efficiency Effects of biochar on rice yield and nitrogen use efficiency in theNingxia Yellow River irrigation region Increase effect of biochar on cotton yield and nitrogen use efficiency under different nitrogen application levels Effects of partially replacement of inorganic N with organicmaterials on nitrogen efficiency of spring maize and soil inorganic nitrogen content under the same N input Modifying nitrogen fertilization ratio to increase the yield and nitrogen uptake of super japonica rice Effects of nitrogen application patterns on the dry matter accumulation and nitrogen uptake in salt-tolerant winter wheat Regulation of nitrogen application rate on temporal and spatial distribution of roots and nitrogen uptake in different N use efficiency maize cultivars