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The suitable potassium fertilizer rate in spring maize in hilly area of central Sichuan Basin, China Effects of nitrogen application rates on main physiological characteristics of leaves, dry matter accumulation and yield of cotton cultivated in the Yellow River bottomlands Effects of potassium application rate on yield and potassium use efficiency of summer maize under high yield conditions Effects of nitrogen fertilization on growth, yield and quality of Chrysanthemum morifolium Effects of nitrogen fertilization on accumulation and distribution of dry weight and nitrogen of cotton bolls Effects of nitrogen application on yield and nitrogen use efficiency of summer maize under super-high yield conditions Effects of zinc fertilization on the dynamics accumulation and distribution of dry matter and zinc in apple trees Effects of nitrogen application rates on photosynthetic and physiological characteristics and yield and quality of hybrid cotton Effect of Planting Row Distance and Nitrogen Rate on Switchgrass Yield and the Content of Crude Protein Effect of different N application rates on plant growth,¹⁵N -urea utilization and hormone content of dwarf apple trees Effect of fertilization on yield, net income and soil environment in Qingdao protected vegetable production systems Yield and inter-specific interactions in maize/chickpea intercrop under different application rates of P in irrigated sierozem along the Yellow River in Northwest China Interactive influence of nitrogen and phosphorus application rate on wheat yield in North Henan, China Spatial characteristics and yield increasing potential of fertilizer consumption among different regions of Xinjiang Effect of different manure application rates on nutrition content and distribution in maize Utilization and Balance of Nitrogen and Proper Application Amount of Nitrogen Fertilizer in Winter Wheat in High-Yielding Regions Effects of Nitrogen Application Rates on Accumulation, Translocation, and Partitioning of Photosynthate in Winter Wheat at Grain Filling Stage Study on the optimum organic manure application rates for maize in terrace Efforts of nitrogen fertilizer application rate on nitrate dynamics in saline soil Effects of film mulching on nitrogen use efficiency of spring maize and soil available nitrogen variations in the middle reaches of Yangtze River Increase effect of biochar on cotton yield and nitrogen use efficiency under different nitrogen application levels Effects of ecological environment and nitrogen application rate on microelement contents of wheat grain Study  on the nitrogen rate threshhold of  maize yield and nitrogen balance in Shihezi, Xinjiang Effects of nitrogen application on winter wheat yield and translation of soil NO-3-N Effects of Nitrogen Rates on Flour Color and Noodle Quality in Two Winter Wheat (Triticum aestivum L.) Cultivars Effects of type and application rate of nitrogen fertilizer on source-sink relationship in summer maize in North China Plain Effects of nitrogen application rate and ratio of base and topdressing on nitrogen absorption,utilization,grain yield,and grain protein content in winter wheat Effects of Nitrogen Application Rates on Root Yield and Nitrogen Utilization in Different Purple Sweetpotato Varieties Effect of reduced N application and soybean intercropping on soil N₂O emission in sweet corn fields in South China Effects of different fertilization patterns on soil nutrient, tea quality and yield components Spatiotemporal distribution characteristics of synthetic nitrogen fertilizer use efficiency in maize fields in China Effects of nitrogen fertilization on enzyme activities in suface layer of red soil under mulberry cultivation Effects of phosphorus application on root characteristics of super-high-yield spring maize Effects of rate and time of potassium application on yield and fiber quality of cotton (Gossyium hirsutum L.) at different fruit positions Effects of different cultivation patterns and nitrogen fertilization on soil nitrogen supply of in the wheat-maize rotation system Effects of nitrogen fertilization on uptake and utilization of NPK and yield and quality of hybrid cotton Population quality and grain yield construction of mid-season indica hybrid rice “Wandao153” under different N applications Effects of Leavse Nitrogen Application Rate on Nitrogen Uptake and Distribution in Soybean Response of Spring Maize to Nitrogen Applicat ion in Physiological Characteristics of Functional Leaves and Grain Yield Effect of different N application rates on yield, qualities and N uptake of ginger Nitrogen rate and timing considerations on yield and physiological parameters of corn canopy Effects of nitrogen fertilization on nitrate content of spinach under the production safety standard Effects of nitrogen fertilization on grain yield and nitrogen use efficiency of double cropping rice Effects of nitrogen application rates on physiological characteristics of functional leaves, nitrogen use efficiency and yield of cotton Effects of combined maize straw and N application on soil nitrogen surplus amount and yield of winter wheat Effect of potassium application on crop yields and potassium use efficiencies in a wheat-cotton double cropping system Effects of nitrogen application rate on the nitrogen uptake and utilization of cotton grown in coastal saline fields of Yangtze River Valley Influences of insecticides and herbicides on the growth of the biocontrol fungus Coniothyrium minitans Campbell Study on optimal sowing density and fertilizer application rate for cultivating high quality wheat Xiaoyan 54 in Beijing Area Effect of different nitrogen supply on the temporal and spatial distribution and remobilization of canopy nitrogen in winter wheat under limited irrigation condition Effects of combined straw and N application on the physicochemical properties of lime concretion black soil and crop yields The effect of nitrogen fertilization on biomass and nutrient storage in the fibrous roots of tea plants(Camellia sinensis) during summer and autumn Preliminary Study on Parameters of Precise and Quantitative Nitrogen Application in Rice Varieties with Different Growth Period Durations Effects of urea application rate on the quantity of microorganisms and activity of enzymes in wheat rhizosphere Effect of Potassium Application Rates on Nitrogen Absorption and Utilization of Different Types of Rice Evaluation of SPAD and Dualex for In-Season Corn Nitrogen Status Estimation NDVI Analysis and Yield Estimation in Winter Wheat based on GreenSeeker Effects of Nitrogen Management in Wheat Season on Matter Production and Nitrogen Use Efficiency in Winter Wheat–Summer Maize Rotation System Effects of Potassium Application Rate on Stem Lodging Resistance of Summer Maize under High Yield Conditions Effects of Nitrogen Application Rate on Photosynthetic Characteristics, Yield, and Nitrogen Utilization in Rainfed Winter Wheat in Southern Shanxi Effects of N application on rhizosphere microflora and fusarium wilt occurrence of intercropped faba bean Effect of Phosphorus Application Rate on Dry Matter Accumulation and Phosphorus Utilization Efficiency in Oil Flax On the methodology of recommendation for the application rate of chemical fertilizer nitrogen to crops Effect of potassium application at various rates on yield and quality of flower in Chrysanthemum morifolium from Futianhe region RZWQM simulation of nitrogen transport and loss under winter wheat/ summer maize rotation system in the North China Plain Differences in maize photosynthetic characteristics and nitrogen regulation effects in maize/soybean and maize/sweet potato relay strip intercropping Effects of interspecific interactions and nitrogen fertilization rates on above- and below- growth in faba bean/mazie intercropping system Effects of different application rates of humic acid compound fertilizer on pepper and its mechanism of anti-senility and incremental yield Effects of Different Nitrogen Application Rates on The Yield, Leaf Total Nitrogen and Water Content of Paspalum notatum Flügge GMP particles size distribution in grains of wheat in relation to application of nitrogen fertilizer Effects of Nitrogen Application Rate on the Accumulation and Redistribution of Nitrogen and Sulphur, and Grain Quality of Wheat Responses of Photosynthesis Characteristics to Nitrogen Application Rates in Summer Maize (Zea mays L.) Effects of different application rates of humic acid compound fertilizer on leave nutrient accumulation and physiological mechanism of grape Nitrogen balance in paddy fields under different rotation systems in the Taihu Lake Region Soil nitrogen content and enzyme activities in rhizosphere and non-rhizosphere of summer maize under different nitrogen application rates. Effects of Nitrogen Application Rates and Plant Spacing on Nutrient Translocation during Filling Stage and Yield of Mechanical-transplanted Hybrid Rice FEASIBILITY OF A FERTILIZATION METHOD FOR KEEPING CONSTANT APPLICATION RATE OF PHOSPHORUS BY MONITORING AVALIABLE PHOSPHORUS IN THE SOIL Effects of Soil Fertility and Nitrogen Application Rates on Super Rice Yield, Quality, and Nitrogen Use Efficiency Effects of Growth-Period Type and Nitrogen Application Level on the RVA Profile Characteristics for Japonica Rice Genotypes Effects of nitrogen application rates and straw returning on nutrient balance and grain yield of late sowing wheat in ricewheat rotation.