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 Trade-off between Resource Utilization and Coexistence Status of Roegneria kamoji and Polygonum sphaerostachyum of Alpine Meadow in the South of Gansu 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 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 Effects of Irrigation and Nitrogen on the Performance of Aerobic Rice in Northern China Effects of tillage mode and nitrogen application rate on nitrogen use efficiency of wheat in a farming-pasture zone of North China. EFFECTS OF DIFFERENT FERTILIZATION MODELS ON PHYSIOLOGICAL
CHARACTERISTICS,YIELD AND AGRONOMIC NITROGEN USE
EFFICIENCY IN RICE (Oryza sattva L.)
Responses of Physio-Biochemical Properties to N-Fertilizer Application and Its Relationship with Nitrogen Use Efficiency in Rice (Oryza sativa L.) 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 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 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 Genotypic variations for nitrogen use efficiency in winter wheat I.Effects of N uptake and utilization efficiency on grain yields The mechanism behind genotypic differences for nitrogen use efficiency in crops Effect of irrigation regimes on water consumption characteristics and nitrogen distribution in wheat at different nitrogen applications Characterization of photosynthetic carbon assimilation in wheat varieties with different N efficiency 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 Effects of Plant Sizes on the Nitrogen Use Strategy in an Annual Herb, Helianthus annuus (Sunflower) Relationships between Leaf Nitrogen Content and Photosynthetic Characteristics in Different Plant Functional Types 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 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. RESPONSE OF MAIZE TO REDUCED UREA APPLICATION COMBINED WITH COMPOUND NITROGEN FERTILIZER SYNERGISTS The Absorption, Utilization and Distribution of Nitrate 15N and Ammonium 15N in Populus Tomentosa Seedlings EFFECT OF MICROBIAL FERTILIZER ON YIELD AND NITROGEN USE EFFICIENCY IN RICE Effect of Tillage Practice on Nitrogen Use Efficiency of Wheat in the Farming-pasture Zone 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 Effect of Nitrogen Application Level on Nitrogen Use Efficiency in Wheat and Soil Nitrate-N Content under Bed Planting Condition Utilization of Water and Nitrogen and Yield Formation Under Three ALimited Irrigation Schedules in Winter Wheat Nitrogen Use Efficiency of Base Fertilizer and Top Dressing in Flue-Cured Tobacco in Rainy Regions Difference of Nitrogen Accumulation and Translocation in Conventional Indica Rice Cultivars with Different Nitrogen Use Efficiency for Grain Output Effect of Low Nitrogen Rate Combined with High Plant Density on Grain Yield and Nitrogen Use Efficiency in Super Rice 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