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 Effect of magnetic field with different strengths on the free radical concentration in Sesamum indicum seeds 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 N,P,K application and their optimum fertilization parameters for Sinocalamue oldhami in alluvion soil area 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 Changes of phenols and adjustability of the walnut shoot Effects of DMSO on the cold-resistance of wheat seedlings Studies on production capability of genet of wild compressed limpograss 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 Relationship between soil charcoal in Holocene and wildfire in the Zhouyuan Region Effects of different mulch materials on the soil ecology and corn yield The change of the weed biodiversity in wheat field under a long-term located fertilization Effects of different relative humidities on physiological activities of wild grape Transformation of long-lasting UHA in soil and its effect on maize yield Influences of partial root-zone irrigation on the growth and development,yield,and quality of nectarine in greenhouse Study on effective nutrient area of‘heinong 35’soybean Leaf senescence and active oxygen metabolism of different-type wheats under drought Study on effect of enhancing yield of winter wheat by applying two kinds of controlled release nitrogen fertilizer Effects of water deficit on yield and yield components of cotton Effects of supplementary irrigation,nitrogen fertilizer and straw mulching on the growth and yield of winter wheat Study on influence of atmosphere infectant soot on crop Advance in the mechanism of biochemistry and molecular biology in response to cold stress of plant Effects of integrated fertilizer companion on the N absorption and grain yield of winter wheat Effects of a long-term located fertilization on the fertility and productivity of Shajiang Black Soil The economic benefit of planting spring-corn in rice field and its efficient technique for system coupling The increasing yield effects of degradable plastic film mulching on the cottons Efect of soil compaction On tomato growth,development,yield and quality in solar greenhouse The effect of applying economic green manure crops in the paddy field with succession cropping system Efect of the application amount of humic acid compound fertilizer 0n the yield and nutrient utilization rate of pepper Efect of release-controlled urea application on the N uptake and yield of soybean Apparent quantum yield of photosynthesis of double cropping rice in red earth hilly region of China Influences of applying stalk compost on the nutrient of field soil and corn yield of black soil Study on the relationship between soil nutrient and spring wheat yield and optimum fertilization The correlation of dry biomass and activity of root system with grain yield in raton rice(Oryza sativa L) Effects of application of lignin on the growth and yield of spring maize Mapping of variable rate fertilizing and model of fertilizer application in paddy field Study on physiological characters of cold resistance of Cycas revoluta Studies on the relationship between source and pool of sulfur in typical agro-ecosystems of Beijing suburb Effect of a long-term organic fertilization on wheat yield and soil fertility on Loess Plateau The shading and its effect on crop yield under poplar-crop intercropping system Influences of different managements of winter wheat residues on seedling growth and grain yield of summer corn Influence of different planting modes of watermelon on the yield and meteorological factors in plastic shed Effect of freezing stress on the membrane system of the open-field winter cabbage The temperature effects of membrane coverage on cultivated soil of cotton field in Xinjiang Study on the relation between paddy field temperature and methane emission flux Effects of effective microorganisms (EM) compost on summer maize growth and development Characteristics of evapotranspiration and energy budget of soybean field in the Sanjiang Plain Research on evapotranspiration of field ecological system of summer maize in Northern Plain Effects of sprinkler irrigation on the field mieroclimate Impacts of environmental factors on the production of non-soil turf in green house A loss estimation model and drought monitoring of wheat in mountainous areas of South Ningxia Maize diseases and pests of field ecosystems under different structures on dryland red soil Analysis and application on maize nutrition of growth Cultivation and utilization of edible wild herbs in Taihang Mountain area Classification of paddy field in Jiangxi Province by using GIS technology Study on cold resistance of top buds of Paulownia elongata‘s seedlings The use of a soil recuperation in vegetable’s field in solar greenhouse Efrects of light and temperature factors on yield and its components in maize Relationship among the application of N,P and the yield characteristics of cluster redpepper Effect of slow or controlled release fertilizer on nutrients absorption and yield in soybean plant A study on the farmland heat distribution conditions of cold type wheat during milk-filling Analysis of the farmland microclimatic characteristics of cold type wheat during milk-filling The ecological era has come to the earth of China On the nitrate-N accumulated characteristics in deep soil layer of winter wheat field in Taihang Piedmont Characteristics of nitrogen leaching of rice-wheat rotation field in Taihu Lake area Study on the uncertainties of methods and precision of net radiation flux measurement Effect of long-term use of organic manure and chemical fertilizers on fluvo-aquic soils physical quality Effect of bacterial sludge on crops growth Effect of lignin on N,P transformation in soil and corn yield Ecologjcal patterns of agro-forestry compound management in sloping field of mountain area in North Fujian The main patterns of ecological agriculture in China and the ecology principles of their sustainable development A study on the induced endurance of cucumber to downy mildew by root inducing with chemical materials Structure Models and Economic Benefits of Representative Ecological Households Yield and Economic Benefit of Corn Ground Covered with Plastic Film in Zhangye City,Gansu Province