Nitrogen use efficiency in stereoscopic planting rice field in North China Effect of coated compound fertilizer on yield,nitrogen use efficiency and soil available nitrogen in summer maize Effect of drip nitrogen fertigation on growth of maize Genotypic variation in nitrogen use efficiency in summer maize Effects of NDSA fertilization on the N uptake,yield and quality of celery Effects of low rate nitrogen application on Brassica chinensis growth and Nlosses Effects of controlled release fertilizer on rice yield and nitrogen use efficiency 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 Relationships between Leaf Nitrogen Content and Photosynthetic Characteristics in Different Plant Functional Types 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 Effects of different application modes and rates of controlled release urea on fertilizer nitrogen use efficiency and grain yield of summer maize. Effects of controlledrelease fertilizers on summer maize grain yield, field ammonia volatilization, and fertilizer nitrogen use efficiency Effect of irrigation regimes on water consumption characteristics and nitrogen distribution in wheat at different nitrogen applications 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 Effects of nitrogen application rate on growth and nutrient accumulation of Santalum album L. seedlings Effect of nitrogen fertilizer managements on rice yield and nitrogen uptake in medium and low yield fields under the conditions of straw turnover The appropriate mixing ratio of control-released urea and common urea in winter wheat production Optimal nitrogen application rates on rice grain yield and nitrogen use efficiency in high,  middle and low-yield paddy fields Effect of shading on nitrogen accumulation and translocation of winter wheat with different spike types using 15N tracer technique Effects of topdressing nitrogen and plastic film mulched ridge–sowing furrow cultivation on nitrogen utilization of winter wheat on rainfed lands in Southern Shanxi Effects of nitrogen application dates on yield and nitrogen use efficiency of summer maize in super-high yield conditions Effects of nitrogen application on yield and nitrogen use efficiency of summer maize under super-high yield conditions Variation of nitrogen use efficiency of Triticale in genotype and its evaluation Coupling effects of water and nitrogen on dry matter accumulation, nitrogen uptake and water-nitrogen use efficiency of cotton under mulched drip irrigation Comparative study on physiological characteristics in winter wheat with different nitrogen use efficiency Effects of nitrogen on growth, root morphological traits,nitrogen uptake and utilization efficiency of maize seedlings Studies on the physiological parameters related to nitrogen use efficiency in wheat cultivars with different nitrogen utilization Effect of Potassium Application Rates on Nitrogen Absorption and Utilization of Different Types of Rice Effect of In-Season Nitrogen Management Strategy on Maize Grain Yield and Nitrogen Use Efficiency Trade-off between Resource Utilization and Coexistence Status of Roegneria kamoji and Polygonum sphaerostachyum of Alpine Meadow in the South of Gansu 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 APPLICATION OF DIFFERENT RELEASE DURATION CONTROLLED-RELEASE COATED UREA ON SPRING MAIZE Opinions on water-nitrogen relations and their synergic management 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 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. 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 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 Genotypic variations for nitrogen use efficiency in winter wheat I.Effects of N uptake and utilization efficiency on grain yields Eco-physiological traits of different-age needles of Pinus sylvestris var. mongolica plantation in Horqin sandy land of China Effects of planting density on  root spatiotemporal distribution and plant nitrogen use efficiency of winter wheat. Effect of irrigation on nitrogen characteristics of Alhagi sparsifolia seedlings Research on characteristics of root surface and rhizosphere nitrification for Indica cultivars with different yield potential at the seedling stage in red soil regions Effects of N and P additions on foliar stoichiometry and photosynthetic characteristics of Potentilla fruiticosa Content and Allocation of Nitrogen in Leaves of 8 Tree and Shrub Species of the Evergreen Broad-leaved Forest and the Relations with Their Photosynthetic Abilities 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