Evapotranspiration characteristics of spring maize under film and straw mulch Dynamics of soil carbon and nitrogen in plowed layer of spring corn and spring wheat fields mulched with straw and plastic film Application of GGE biplot in spring wheat yield stability analysis in rainfed areas of China Effect of sowing date on growth and yield of spring-maize Relationship between microclimatic factors and yield of spring tea [Camellia sinensis (L.) O. Kuntze] in Henan Jigongshan Nature Reserve Effect of non-tillage with straw mulch on wind erosion in irrigated oases of Hexi Corridor Nitrogen fixation ability of azotobacter and its effect on growth of spring wheat Evaluation of simulation models of spring-maize leaf area and biomass in semiarid agro-ecosystems Cloning and sequence analysis of L-lysine decarboxylase gene in Huperzia serrata var. longipetiolata DIURNAL CHANGES IN SINK UNLOADING OF (14) ̄C- ASSIMILATES FROM FLAG LEAVES OF SPRING WHEAT DUKING GRAIN FILLING STAGE The Research on Biological Characteristics of Cochineal (Dactylopius coccus Costa) Radiated by 60Co-γ Ray Effect of Progressive Drought Stress on the Key Enzyme Activities of Nitrogen Metabolism of Spring Soybean THE EFFECT OF SOIL WATER DEFICIENCY ON THE ACCUMULATION AND ALLOCATION OF ROOT BIOMASS OF SPRING WHEAT Spatial distribution characteristics and impact on spring maize yield of drought in Northeast China Relationship between root system characteristics and drought resistance of wheat populations in semiarid region Soil physical and chemical properties and root distribution in high yielding spring maize fields in Yulin, Shaanxi Province. Effects of different tillage measures on upland soil respiration in Loess Plateau. Effects of applying controlled-release fertilizer blended with conventional nitrogen fertilizer on Chinese cabbage yield and quality as well as nitrogen losses. Preliminary study on limited irrigation for spring wheat field in semi-arid region of loess plateau Effects of different accumulated temperature on photosynthetic performances of spring maize varieties during grain-filling period. A comparison in spring and winter habitat selection of Takin,Swtow and Groal in Tangjiahe,Sichuan Effects of pre-sowing irrigation and P fertilization on spring wheat yield information A study on the compensation of spring wheat for clipping THE CHANGE IN CARBOHYDRATE CONTENT AND PROTECTING ENZYME ACTIVITIES IN ROOT OF ALPINE FORAGE RELATED TO ITS ADAPTATION TO COLD IN SPRING THE SPATIAL DISTRIBUTION OF THE ECOLOGICAL FIELD IN SPRING WHEAT COLONY UNDER SEMI-ARID ECOLOGICAL CONDITIONS Effects of film mulching on nitrogen use efficiency of spring maize and soil available nitrogen variations in the middle reaches of Yangtze River 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 Effects of nitrogen, phosphorus and potassium on photo-biological characteristics and amino acid components of tea plants in spring Research on Restoration Technology of Degenerated Artificial Haloxylon ammodendron Forest Applicability evaluation of DSSAT-CERES model on production of spring maize in Hill and Gully Area of the Loess Plateau Analysis of Photosynthetic Responses of PSⅡ Photochemistry Efficiency in Flag Leaf of Three Native Spring Wheat Varieties on the Qinghai-Tibetan Plateau Effect of Artificial Aging on Seed Germination and Root Ultrastructure of Spring Wheat Effects of fire on above-ground vegetation and offspring recruitment in a semiarid steppe on the Loess Plateau ASSESSMENT OF GENETIC DIVERSITY IN HEILONGJIANG PROVINCE WHEAT VARIETIES USING SSR MARKERS ABSORPTION AND DISTRIBUTION OF Zn BY SPRING WHEAT IN HIGH ZINC SOIL AND EFFECT OF RHIZOSPHERE SOIL EFFECT OF APPLICATION APPROACHES OF AMMONIUM BICARBONATE ON YIELD OF SPRING WHEAT AND NITROGEN BALANCE Preliminary approaches on the chemical-controlling the pre-harvest sprouting of spring wheat(Triticum aestivum L.) Effects of different sowing dates on yieid and protein content of spring wheat Research on spring ephemerals in the Baishilazi Nature Reserve,Liaoning Investigation and analysis of benthons of Hengqin Island sea area in the Pearl River Estuary during spring Plankton in Hengqin Island Sea in the Pearl River Estuary in spring Dynamics and Structure of Phytoplankton Community in Spring in a Tropical Pumped-water Reservoir Nitrogen release characteristics of coated urea and its effect on spring maize with touching application Characteristics of dry matter production and nitrogen use efficiency of 37 spring maize hybrids with high-yielding potential in north of China Real-time nitrogen management for spring maize using the soil nitrate-N test Effect of potassium application and straw returning on spring maize yield, nutrient absorption and soil potassium balance Variations of the grain yields and N absorption of spring maize in Heilongjiang Province Phosphorus utilization characteristics of forty spring maize hybrids with high-yielding potential in north of China Effect of conventional and optimized nitrogen fertilization on spring maize yield, ammonia volatilization and nitrogen balance in soil-maize system ON THE FORMATION OF DESTRUCTIVE POPULATION OF RICE WATER WEEVIL IN DOUBLE RICE CROPPING AREA OF ZHEJIANG PROVINCE,CHINA DAMAGE CAUSED TO SPRING OILSEED RAPE BY MELIGETHES AENEUS AND ITS EFFECT ON SEED YIELD Effect of Plant Density on Dynamic Characteristics of Leaf Area Index in Development of Spring Maize Compounds and Diurnal Variation of VOCs of Platycladus orientalisRecreation Forest in Beijing Western Hills in Spring Canonical correlations of light and temperature with yield and agronomic traits of semi-winter rapeseed (Brassica napus L.) sowed in spring Parasitism and offspring fitness of Aphidius ervi Haliday in relation to its host Acyrthosphon pisum Harris at different stages Effects of different rotational tillage patterns on soil physical properties and yield of winter wheat-spring maize rotation field in Weibei highland Effects of fertilization methods on border effect of cereal-vegetablestrip intercropping system Simulation analysis of spring wheat grain yield response to mean daily minimum and maximum temperature in drylands Bioavailability and mechanism of modified rock phosphate in calcareous soil Effects of rotational tillage on soil physiochemical propertiesand spring maize yield in Weibei Highlands Response of dryland spring wheat yield to elevated CO2 concentration and temperature by APSIM model Ecological stoichiometric characteristics of oasis spring wheat fields under regulated deficit irrigation Soil enzyme activity in spring potato fields under different mulching practices in double rice cropping area THE MODELING AND APPLICATION OF APPROPRIATE MEASURE OF CROP The influence of Gap regeneration dynamics to early-spring herb in the Korean pine broad leaved forests in Changbai Mountain Effect of nitrogen and phosphorus nutrition on water relation of spring wheat EFFECT OF N AND K NUTRITION ON CHANGES OF ENDOGENOUS HORMONE AND METABOLISM OF ACTIVE OXYGEN DURING LEAF SENESCENCE IN SPRING MAIZE EFFECT OF FERTILIZATION ON ROOT DEVELOPMENT, ROOT METABOLISM OF SPRING WHEAT AND THE MECHANISM OF FERTILIZATION ON SOIL WATER UTILIZATION Characteristics of N,P and K uptake at different growth stages of spring wheat in irrigating region of Ningxia Effects of using plastic film as mulch combined with bunch planting on soil temperature, moisture and yield of spring wheat in a semi-arid area in drylands of Gansu, China The glucose-utilizing bacterial diversity in the cold spring sediment of Shawan, Xinjiang, based on stable isotope probing Effects of planting with ridge and furrow mulching on maize growth, yield and water use efficiency in dryland farming The responses of antioxidant defense system at different developmental stages of spring wheat to gradual drought stress in field NaCl胁迫对小麦幼苗生长、叶绿素含量及Na^+、K^+吸收的影响 THE ABNORMALITY OF EMBRYO AND ENDOSPERM DEVELOPMENT IN SPRING WHEAT OF TWINS SEEDLING Molecular Markers of Ph1 Gene in Chinese Spring and Development of Winter Wheat New Line Harboring ph1b Gene A Simplified Model with Soil Water Limitation on Spring Wheat Growth Relationship Between Growth Redundancy and Size Inequality in Spring Wheat Populations Mulched with Clear Plastic Film Freezing resistance and injury indices for different cultivars of winterspring wheat in HuangHuaiHai Plain. Ⅰ. Comparison of  freezing resistance for different cultivars of winterspring wheat during midwinter period. Effects of increasing field temperature on growth, development and yield of spring wheat in semiarid area.