Effect of illumination on nitrogen status in soil plant system Absorption and apparent budget of nitrogen by direct-seeding rice cultivated in aerobic soil with or without mulching Effect of row spacing on nitrogen uptake, nitrogen utilization and yield of summer maize Wheat grain yield and nitrogen use characteristics under monoculture and intercropping with different nitrogen fertilization rates The importance of reduced nitrogen in a natural Prorocentrum minimum bloom-a model approach Modifying nitrogen fertilization ratio to increase the yield and nitrogen uptake of super japonica rice Growth and nitrogen uptake of maize relay intercropped with soybean or sweet potato Regulation of nitrogen application rate on temporal and spatial distribution of roots and nitrogen uptake in different N use efficiency maize cultivars Production and N nutrient performance of wheat-maize-soybean relay strip intercropping system and evaluation of interspecies competition Effect of Wheat/Maize/Soybean and Wheat/Maize/Sweet Potato Relay Strip Intercropping on Bacterial Community Diversity of Rhizosphere Soil and Nitrogen Uptake of Crops Effects of Leavse Nitrogen Application Rate on Nitrogen Uptake and Distribution in Soybean Fate and balance of bulk blending controlled release fertilizer nitrogen under continuous cropping of mustard. Effect of irrigation on nitrogen uptake and translocation in summer maize Effect of N supply and wheat/faba bean intercropping on N uptake and accumulation of wheat Effect of combined application of organic and mineral fertilizers on yield,quality and nitrogen uptake of rice Effects of irrigation on nitrogen uptake and distribution of wheat using the 15N tracer technique Characteristics of nitrogen uptake in eggplant genotypes with different nitrogen efficiency and their hybrid F1s Nitrogen uptake facilitation in soybean/maize intercropping system inoculated with rhizobium and arbuscular mycorrhizal fungi Effects of different fertilization on nitrogen uptake, net photosynthesis rate and yield of rice Nitrogen uptake,utilization and rice yield in the north rimland of double-cropping rice region as affected by different nitrogen management strategies Characteristics of nitrogen accumulation,distribution and translocation in winter wheat on dryland Root growth, nitrogen uptake and yield formation of hybrid maize with different N efficiency Effect of different NaCl concentrations on plant growth and nitrogen uptake of summer corn Appraisal of nitrogen releasing characteristics of organic polymer coating controlled-release fertilizer Effects of simulated nitrogen deposition on weeds growth and nitrogen uptake Nitrogen utilization efficiency of Wancao 2 and Zea mexicana Effects of nitrogen application rate on soil inorganic nitrogen distribution,microbial biomass nitrogen content and yield of wheat Effect of different fertilization patterns on rice yield and nitrogen uptake and transformation in soil Effect of long-term fertilizer application on yield, nitrogen uptake and soil NO3--N accumulation in wheat/maize intercropping 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Ⅱ.影响吸收效率的因素分析 Effects of different slow/controlled release nitrogen fertilizer on tall fescue turf growth and nitrogen volatilization Effects of Nitrogen Fertilizer Rate on Uptake, Distribution and Utilization of Nitrogen in Winter Wheat under High Yielding Cultivated Condition The mechanism behind genotypic differences for nitrogen use efficiency in crops Effects of nitrogen application rates on nitrogen uptake and utilization of direct-seeded cotton after wheat harvest. Mathematical Model of Quantitative Diagnosis on Dynamic Nitrogen Demand of Cotton after Anthesis Based on Critical Nitrogen Concentration Diluation Model Effects of Nitrogen Fertilizer on Nitrogen Use Efficiency and Yield of Rice under Different Soil Conditions Effects of Free-air CO2 Enrichment(FACE) on Nitrogen Nutrition at Different Growth Stages in Rice(Oryza sativa L.) Cultivar Wuxiangjing 14 Threshold of nitrogen application in paddy soils in the northern area of Erhai Lake Root Exudates and Nitrogen Uptake of Wheat in wheat/Maize/Soybean relay Cropping system Growth, and Nitrogen Uptake and Flow in Maize Plants Affected by Root Growth Restriction EFFECT OF DIFFERENT IRRIGATION ON NITROGEN UPTAKE OF WHEAT AND N BALANCE Effect of different N application rates on yield, qualities and N uptake of ginger Growth and 15N use efficiency in cotton affected by biochar made in different temperatures Effects of nitrogen application rate on the nitrogen uptake and utilization of cotton grown in coastal saline fields of Yangtze River Valley Screening and cluster analysis of nitrogen use efficiency of different wheat cultivars at the seedling stage Study on the proper nitrogen application rate and the ratio of basal to dressing in radish Effect of shading on nitrogen accumulation and translocation of winter wheat with different spike types using 15N tracer technique Effects of nitrogen management on maize dry matter accumulation, nitrogen uptake and distribution and maize yield Coupling effects of water and nitrogen on dry matter accumulation, nitrogen uptake and water-nitrogen use efficiency of cotton under mulched drip irrigation Effects of nitrogen on growth, root morphological traits,nitrogen uptake and utilization efficiency of maize seedlings Characterization of Nitrogen Uptake and Utilization in Rice under Different Planting Methods DEVELOPMENT OF TOMATO FRUIT AND NITROGEN UPTAKE AMOUNT
WITH DIFFERENT NITROGEN CONCENTRATION IN GREENHOUSE
Effect of nitrogen fertilization on maize yield and nitrogenefficiency of different maize varieties Effect of planting density on nitrogen uptake, utilization anddistribution in winter wheat DIFFERENCE OF NITROGEN UPTAKE AND UTILIZATION IN WHEAT CULTIVARS  WITH DIFFERENT GRAIN YIELD LEVEL Effects of Irrigation Amount on Nitrogen Uptake, Distribution, Use, and Grain Yield and Quality in Wheat General Characteristics of Nitrogen Uptake and Utilization in Conventional Indica Rice Cultivars with Different Panicle Weight Types Crop-soil nitrogen cycling and soil organic carbon balance in black soil zone of Jilin Province based on DSSAT model. Effects of delayed irrigation at jointing stage on nitrogen accumulation and its allocation, and NO3-N migration in wheat