Genetic diversity and correlation analysis of starch yield-related traits in sweet potato Variations in photosynthetic characteristics and yield of maize inpotato/maize intercropping systems Cause and mechanism of winter wheat yield reduction under straw mulch in the North China Plain Control effects of biomass on dual symbiosis system, soil microbeand yield of soybean Effect of planting density on canopy sink-source feature and yield of different dwarf varieties of summer squashes (Cucurbita pepo L.) Effect of phosphorus application on soil available phosphorus and maize phosphorus uptake and yield Effects of different combinations of planting density, row spacing and row direction on field microclimatic conditions and grain yield of maize Effect of straw mulching on soil respiration, crop yield, economy-environment benefit in rainfed winter wheat fields Simulation analysis of spring wheat grain yield response to mean daily minimum and maximum temperature in drylands Effect of wind damage on grain-filling characteristics, grain quality and yield of spring maize (Zea mays L.) Effects of fertilization on growth physiology, yield and medicinal quality of Schizonepeta tenuifolia Briq. Effect of straw mulching on drought resistance of summer maize in upland red soils Effects of drought stress on root growth characteristics of peanut during mid-to-late growth stages Effects of straw incorporation method on double cropping rice yield and the top-three leaf characteristics Effects of soil fertilizer amendment on growth during critical growth stages and yield of winter wheat Relations Between Seed Production of Leymus chinensis and Climatic Fluctuation in Natural Meadow in Northeastern China Effects of zinc levels on endogenous hormone and nitrogen metabolism in leaves and yields of balsam pear Studies on Pollen Free Proline Content and Seed Yield of Gordonia acuminata in Different Communities Predicting Yield of Castanea millissima with Pollen Concentration A Study on the Model for Estimation Winter Wheat Yield Using Spectral Data of Wheat Field The Statistical Analysis Between Winter Steppe Grass Yield in Tiansan North Slope and Meteorologic Conditions A Correlative Analysis Between Spectral Reflectance and Yield of Grassland on Xilingol,Inner Mongilia Study on simulated Acid Precipitation Effects on Growth and Yield of Agricultural Crops Simulation and validation of soybean yield formation process in black-soil Yield and profitability of corn and soybean under different tillage in the black soils of Northeast China Photosynthetic characteristics of Prinsepia uniflora Batal. Effect of fertilization on soil fertility, wheat yield and quality in Shajiang black soil Effect of genotype and sowing time on growth, development and yield of high quality wheat Population quality and grain yield construction of mid-season indica hybrid rice “Wandao153” under different N applications Correlation and regression analysis of trait and yield of soybean Effects of humic acid compound fertilizers on the nitrogen utilization and effects on the following rape Effects of manganese and boron nutrition on yield and activities of antioxidant enzymes of cucumber(Cucumis sativus L.) Analysis of yield components, physiological and agronomic characters of different cultivars of winter wheat bred during different ages Effect of summer and autumn seasonal drought on the agronomic characteristics of southern spring maize Effect of straw mulching on soil,tea quality and yield of young tea plantations in hilly subtropical regions Study on elevated-temperature planting technique in sweet and glutinous corn Analyses of wheat yield potential by AEZ model on the basis of Chinese farming system zonation Effect of mycorrhizal biodiversity on fine root mass of Cyclobalanopsis chungii and basidiocarp collection of Russula vinosa. Yield and yield component characteristics of three foxtail millet varieties at different planting densities Nutrient absorption and yield of rape under coupled application of phosphate rock and sulfur Effect of application rates of rape seed cake on yield and quality of flue-cured tobacco Effects of application nitrogen on photosynthesis and growth of different drought resistance winter wheat cultivars Crop yield and fertilizer contribution under different fertilization systems The influence of the application amount of N,P,K and its provision on the yield of Angelical dahurica var. formosasa Effect of different measures on the overground yield and fluorine content of plant in soil-plant system Effects of organic-inorganic rubbish-mixed fertilizer on the soil physical and chemical characters and wheat yield Ecological effects of plastic film mulching cultivation of potato Study on the integrated early mature and frost。avoiding cultivation techniques of cotton in Shanxi Province Comparison of the population structures between the natural forest and the high-yield forest of Phyllostachys heterocycla cv.pubescens in Wuyi Mountain Effects of different mulch materials on the soil ecology and corn yield Effects of combined application of biogas residues and chemical fertilizers on greenhouse tomato’s growth and its fruit yield and quality. EFFECTS OF ARSENIC TOXICITY ON CARBON AND NITROGEN METABOLISM AND THE YIELD AND QUALITY OF FLUE-CURED TOBACCO EFFECTS OF Pb POLLUTION ON PHOTOSYNTHETIC CHARACTERISTICS, QUALITY, AND YIELD OF TOBACCO LEAVES RELATIONSHIP BETWEEN HERBACEOUS ROOT SYSTEM AND VERTICAL SOIL SEDIMENT YIELD IN LOESS AREA Effects of Zinc,Iron,and Molybdenum Combined Application on the Yield and Quality of Alfalfa Prediction for Soybean Grain Yield Using Active Sensor GreenSeeker Effects of Harvesting Date on Yield Loss Percentage of Mechanical Harvesting and Seed Quality in Rapeseed Breeding and spreading of new vairety "Yu-Qing No.1" of Artemisia annua Effects of combined application of nitrogen,phosphorous and potassium on the yield and quality of Desmodium styracifolium Epistatic Effects and Quantitative Trait Loci (QTL) x Environment (QE) Interaction Effects for Yield per Plot and Botanical Traits in Soybean Genome-wide Association Study of Agronomic and Yield Traits in a Worldwide Collection of Peanut (Arachis hypogaea) Germplasm Effect of Combined Application of Nitrogen and Phosphorus on Photosynthesis Parameters at Grain-filling Stage and Grain Yield in Winter Wheat Expression of auxin synthesis gene tms1 under control of tuber-specific promoter enhances potato tuberization in vitro Evaluation of the benefits of leisure agriculture park based on emergy analysis Effects of fluoride on soil properties and yield and quality of maize Effects of climate change and agricultural technology improvement on evapotranspiration and crop yield Effects of deficit irrigation on physio-ecological indices of winter wheat Effect of fertilization on yield, net income and soil environment in Qingdao protected vegetable production systems Effect of microbial organic fertilizer on seedling growth, yield and quality of flue-cured tobacco Path analysis of summer maize agronomic traits and yield in the Huang-Huai-Hai Plain Analysis of high and stable yield characteristics of "Kn199" winter wheat cultivar Development of "Kn199" new winter wheat variety and its cultivation in China Comparative study on yield and economic benefits of rape under different planting and mulching patterns Relationship between indices of growth, physiology and reflectivity and yield of winter wheat under water stress Effect of nitrogen application strategy in the first cropping rice on dry matter accumulation, grain yield and nitrogen utilization efficiency of the first cropping rice and its ratoon rice crop Plant type of Cucurbita pepo L. in sunlight greenhouse and its effect on yield formation Analysis of source-sink-translocation characteristics and indicators for high-yield colony of winter wheat Yield response to wheat/maize competitiveness in wheat/maize intercropping system under different root partition patterns Effect of topdressing time of nitrogen fertilizer and controlled-release coated urea on winter wheat yield and apparent nitrogen recovery rate Effect of organic fertilizer application pattern on vegetable yield, soil chemical property and micro-organism