Effects of different uncovering plastic film periods and nitrogen rates on physiology, growth, yield and water use efficiency of summer maize in Guanzhong Region, Shaanxi Provice Effects of water management patterns and nitrogen fertilizer levels on nitrogen use efficiency of rice Effects of long-term different fertilization on nitrogen recovery efficiency of maize in red soil Difference of nitrogen utilization and distribution of mineral nitrogen in soil profile by competitive abilities of intercropping systems Nutrient restrictive factors and accumulation of super-high-yield summer maize Effect of N application on N utilization and N balance in spring maize Historical comparison on the response curves of rice yield-nitrogen application rate in Tai Lake Region Variation and Ecological Function Loss of Grassland Vegetations in Typical Regions in the Upper Reaches of Heihe River--A Case of Shandan County in the Upper-middle Reaches of Heihe Basin Geographic Distribution of Existing Haloxylon Desert Vegetation and Its Patch Character in China Information Extraction of Sandy Land Community Spatial Structure of a Chinese Pine Plantation in the Upper Reaches of the Minjiang River: Species Richness and Coverage STUDY ON THE FOREST LAND CLEARANCE WAYS OF EUCALYPTUS GRANDIS×E.UROPHYLLA SECOND-GENERATION SPROUT REGENERATION STAND LAND COVER DYNAMICS OF DIFFERENT TOPOGRAPHIC CONDITIONS IN BEIJING Essentials of pharmacophylogeny: knowledge pedigree, epistemology and paradigm shift FIFTEEN-YEAR CHANGES OF TREE POPULATIONS IN THE SECONDARY SUBTROPICAL EVERGREEN BROAD-LEAVED FORESTS IN SOUTHWESTERN CHINA Quantitative estimation of vegetation coverage in Mu Us sandy land based on RS and GIS Main affecting factors of soil wind erosion under different land use patterns—A case study in Wuchuan County,Inner Mongolia Effect of short-term phenanthrene stress on SOD activities and MDA contents in soybean (Glycine max) seedlings Influence of soil humidity and vegetation coverage on wind erosion Ecological effects of cover crops Spatio-temporal patterns of land use and land cover changes i n Honghu Lake Region, Hubei Province,China Hydrological response to changes in vegetation covers at a watershed scale in western Shanxi, Loess Plateau, China Optimization of vegetation covers in Qilian Mountains Based on hydrological responses by SWAT model: a case study of Zamu River Basin in Upper Effects of two tobacco species on experimental and natural population dynamics of Helicoverpa assulta Guenée Effects of long\|term fertilization and plastic film covering on some soil fertility and microbial properties Electroantennogram responses of two sibling Helicoverpa species to tobacco plant volatile compounds at a lower concentration THE FATE OF NITROGEN FERTILIZE IN WINTER WHEAT GROWTH SEASON UNDER HIGH SOIL FERTILITY CONDITION THE INFECTIOUS ROUTE OF NUCLEAR POLYHEDROSIS VIRUS IN THE MIDGUT EPITHELIAL CELLS OF Helicoverpa armigera CHANGES OF CHLOROPLAST PIGMENTS OF MAIZE LEAVES AFTER SPACE FLIGHT IN RECOVERABLE SATELLITE SPERM ULTRASTRUCTURE OF Helicoverpa armigera ANDPRELIMINARY RESEARCH ON CHANGES OF SPERMULTRASTRUCTURE Studies on Transgen ic Acceptor System of Ground-CoverChrysanthemum Via Indirect Soma tic Embryogenesis Comparison of two inoculation methods for resistance of oats to Ustilago segetun var.segetum and resistance evaluation of germplasms Study on parameters of balanced fertilization for winter wheat in cinnamon soil in Northern China Comparative Research on Soil Fertility of Different Artificial Plantations in Yuanmou Dry-iot Valley,Yunnan Province The Physiological Responses of Plantago asiatica L.and Viola philippcia Cav.to Water Stress A study on veneer recovery ratio and value of eucalypt clones Dynamic changes of grazing sheep body gains and ruminal fermentation parameters on sandy recovering grassland SSR analysis of the linkage drag of endosperm mutation gene ae Effects of cover cropping system on soil moisture content and water storage in a vineyard Relationship between productivity and plant functional traits along successive recovery stages in an alpine meadow Effects of Short-term Sub-low Night Temperature Treatment and Recovery on the Photosynthesis and Sucrose-metabolizing of Tomato Leaves Effects of Short-term Sub-low Night Temperature Treatment and Recovery on the Photosynthesis and Sucrose-metabolizing of Tomato Leaves Studies on Viability and Storage Characteristics of Pollen of Groundcover Chrysanthemum Studies on Viability and Storage Characteristics of Pollen of Groundcover Chrysanthemum COMPARISON OF SOME DETOXIFICATION ENZYME AND MIDGUT PROTEASE ACTIVITIES BETWEENRESISTANT AND SUSCEPTIBLE COTTON BOLLWORM POPULATION TO Bt TOXICITY AND FIELD EFFECT OF MIXTURES OF BACILLUS THURINGIENSIS WTTH ENDOSULFANAND HEXAFLUMURON TO THE COTTON BOLLWORM HELICOVERPA ARMIGERA Study on recovery and its influencing factors of ferulic acid and tetramethylpyrazine in cerebral microdialysis probe Spatial and Temporal Holocene Vegetation Change From Alluvium Pollen Analysis in the Yinma River Basin of Hebei Province Fifteen-Year Changes of Tree Layer in Secondary Castanopsis Schima Humid Evergreen Broad Leaved Forest in Central Subtropics of Western China VEGETATION COVER CHANGES OVER TIME AND ITS EFFECTS ON RESISTANCE TO WIND EROSION MOLECULAR CHARACTERIZATION OF THE CYTOCHROME OXIDASE SUBUNIT Ⅱ GENE OF MITOCHONDRIAL DNA FROM Helicoverpa armigera MUTAGENIC EFFECTS OF RICE CARRIED BY RECOVERALLBE SATELLITE AND IRRADIATED WITH ~(60)Co γ-RAY The Statistical Power of Inclusive Composite Interval Mapping in Detecting Digenic Epistasis Showing Common F2 Segregation Ratios Leaf area index and standard error of pine forests estimated with common digital camera Hierarchical extraction of land cover information from fully polarimetric SAR image of coal mining areas Effects of winter cover crop straw recycling on soil organic carbon and soil carbon pool management index in paddy fields Nitrogen-15 labeling and nitrogen transformation in silage maize-cattle manure system Effects of temperature, soil humidity and soil cover on Plutella xylostella (Lepidoptera: Plutellidae) pupae emergence Analysis of ecosystem degradation and recovery using precipitation use efficiency and NDVI in the headwater catchment of the Yellow River basin Screening trial for the suitable plant species growing on sand dunes in the alpine valley and its recovery status in the Yarlung Zangbo River basin of Tibet, China Dynamics of vegetation structure and soil properties in the natural restoration process of degraded woodland on the northern slope of Qilian Mountains, northwestern China The impact of interannual climate variability on mean global vegetation distribution Health Efficacy, Biosynthesis of Soybean Isoflavones and Germplasm Discovery, Genetics and Breeding Water-saving Effect of the Full Plastic Film Mulching with Soil Covered on Plastic Film on First-crop and Second-crop Wheat Effect of drought stress and water recovering on physiological characteristics of Sinocalycanthus chinensis seedlings Nitrogen utilization efficiency of Wancao 2 and Zea mexicana Effects of different N rates on nutrients accumulation,transformation and yield of summer maize Manurial effect of several controlled-release N fertilizers (CRNFs) on forage maize and its physiological effects Studies on cold resistance of grape varieties rootstocks and soil coverings in North Shaanxi Soil Water Restoration of Alfalfa Land in the Wind-water Erosion Crisscross Region on the Loess Plateau Evaluation of Using Land for Constructing Qinghai-Tibet Railway on Native Vegetation Ecological Adaptability and Cultivating Techniques of two Festuca Varieties Morphology and Cultural Properties of a Leymus chinensis Adjusting to Ground-Cover and Landscaping The Comparisons of Resist Drought and Cold on Several Cool-Season Grass in Beijing The Benefits of Runoff and Sediment Reducing & Effective Cover Rate for Soil and Water Conservation of Artificial Grassland on Loess Plateau Research on Decline Law and Recovery Technique of Astragalus adsurgens Meadow on Kerqin Sand Land Soil Organic Matter and Nitrogen Losses by Erosion in Little Catchment Model as Effected by Vegetation Coverage The extraction of forest information and the spatial distribution of its change in Zhejiang Province Application of object-oriented image analysis to land-cover classification in hilly areas Land utilization mapping in Guangdong Province based on integration of optical and SAR remote sensing data