Impact of soil erosion on soil fertility and land productivity Effect of soil nematode exclusion on wheat growth and its N and P uptake Role of nitrogen-fixing trees in mixed forest Ⅱ. Seasonal variation patterns of N and P contents in leaves of nitrogen-fixing trees Analytical method of polycyclic aromatic hydrocarbons (PAHs) in soil and plant samples THE ACCUMULATION AND BIOLOGICAL CYCLE OF NITROGEN AND PHOSPHRUS ELEMENTS IN RHIZOPHORS STYLOSA COMMUNITY ,GUANGXI AN ECOLOGICAL MODEL FOR BIOLOGICAL STABILIZATION POND STUDY OF THE PURIFICATION AND ACCUMULATION OF SILVFR IN WASTE WETER BY AQUATIC PLANTS Progresses in the Research of Chlorogenic Acids GENETIC ANALYSIS OF PLANT HEIGHT AND BRIX VALUE BY USING MAJOR GENE AND POLYGENE INHERITANCE MODEL IN A CROSS BETWEEN COMMON SORGHUM AND SWEET SORGHUM Effect of nitrogen and phosphorus nutrition on gas exchange of maize under drought conditions Effect of different N and P levels on availability of zinc, copper, manganese and iron under arid conditions EFECTS OF CALCIUM SUPPLY ON SUBCELLULAR DISTRIBUTION OF CADMIUM, CHLOROPLAST ULTRASTRUCTURE,RuBPC AND PEPC ACTIVITY IN MAIZE UNDER CADMIUM STRESS Analysis of the nutritional components and feeding values of commonly used roughages Effects of lead stress on growth, physiology, and lead ion accumulation and transportation in gramineous forages A Survey on Heavy-metal Content in Plants and Soils in Zinc-lead Mine Tailing Wasteland Study on Seedling Growth and Physiological Characteristics of Taiwan Pine Purification Ability of Different Grasses to Eutrophic Water During the Cold Season Effects of Deferred Grazing on Grassland Community Characteristics and Productivity in Alpine Meadow Photosynthetic Light-response Curves of Lespedeza davurica under Different Water and Fertilization Conditions Simulation Study Regarding the Impact of Climate Change on Grass Productivity in Inner Mongolia Selecting Optimum Tree Species of Farmland Protection Forest in Linxia Beiyuan by Analytical Hierarchy Process Periodic Characteristics of Distribution Pattern of Haloxylon ammodendron in Gurbantunggut Desert Based on Eco-Used Wavelet Characteristics of Photosynthesis and Transpiration of Five Evergreen Tree Species in Summer On Thoughts and Methods of Identification of Animal and Plant Drugs On the Establishment and Development of Resourceology of Chinese Medicinal Materials Plant community characteristics and the enrichment of heavy metals copper, lead and cadmium in the dominant plant species grown in the wetland of Lean River and Poyang Lake Studies on isolation、purification、structural identifi cation and its antitumor activity of polysaccharides from Momordica grosvenori swingle’s root Ecological stoichiometrical analysis on the strategies of utilization of nitrogen and phosphorus in Phragmites australis and Spartina alterniflora in Chongming Dongtan wetland Separation and Purification of Antihypertensive Peptides Derived from Pepper Seed Protein Uitrasonic Assisted Extraction and Purification and Determination of Schizophyllian Polysaccharose STUDY ON THE RESPONSE OF PINUS MASSONIANA SEEDLING TO ALUMINUM THE RESPONDENCE OF LOSS ON IGNITION RANGE TO PAST CLIMATE AND ENVIRONMENT IN BEIJING Effect of long-term fertilization on photosynthetic property and yield of summer maize (Zea mays L.) Structural attribute and optimization of farmland and non-cropped green-land patches of agricultural landscape: A case study of Fengqiu County, Henan Province A study on assessment and improvement for agricultural production systems of households in cropping and pasturalism transition zone in North China Researches on resistance to downy mildew induced by copolymer of chlorine and potassium ions in cucumber Effect of enhanced UV-B radiation on plant flavonoids Effect of incorporating rice straw into the soil on rice growth, soil N and P nutrients under different N and P fertilization models Ammonia volatilization in gleyed paddy field soils of Taihu Lake region A tentative study on agricultural developing pattern of eco-environmental fragile area in Western Jilin Province Possibility of enzyme activities as indicators of assessing soil compound contamination with cadmium,zinc and lead Changes of soil biodiversity in Inner Mongolia steppe after 5 years of N and P fertilizer applications Evaluation of ecological value compensation using exchange of farmland:a case study with data from Jiangyin and Xinghua, China A photo-thermal based model for predicting the dry matter production and partitioning of multi-stem cut Chrysanthemum in greenhouse Regulation of flower growth and pigmentation Effect of water stress on floret differentiation and the content of nitrogen,phosphorus and plant hormone in different drought enduring wheat Changes in components of pigments and proteins in rice photosynthetic membrane during chilling stress Manufacture Technique of Splints of the Wrist Fracture Made of Plaster and Micron-Thickness Wood Particle Ecological Status of Taoyuandong National Nature Reserve Selections of Acclimation Pioneer Plants for Ecological Restoration in the Alum Mining Tailings Effects of Subsoiling-Seeding on Root Physiological Indices, Water-Saving and Yield-Increasing Behaviors in Summer Maize (Zea mays L.) in Haihe Lowland Plain Root System Morphological and Physiological Characteristics of Indica-japonica Hybrid Rice of Yongyou Series Differences in Yield Response to Nitrogen Fertilizer among Rice Cultivars and Their Relationship with Root Morphology and Physiology Effects of Cultivation Patterns on Root Morph-physiological Traits and Aboveground Development of Japonica Hybrid Rice Cultivar Changyou 5 Morphology and Physiology of Roots and Their Relationships with Yield Formation in Super Rice Inheritance Analysis of Stalk Sugar Content in Maize Isolation of Plasma and Thylakoid Membranes from the Heterocystous Cyanobacterium Anabaena sp. PCC 7120 Pseudohypericin and Hyperforin in Hypericum perforatum from Northern Turkey: Variation among Populations, Plant Parts and Phenological Stages Comparative study of wild and cultivated Astragali Radix in Daqingshan district in Wuchuan of Neimenggu Study on fingerprints correlated with pharmacodynamic of constituentsin Herba Erigerontis against neurotoxicity induced by beta-amyloid peptide Difference in effect between asthma-based mouse model and Stemona tuberosa extracts Growth Characteristics of Four Species in Surface-flow Constructed Wetlands Analysis on medication regularity of Chinese patent medicines containing Scutellaria baicalensis The Relation between the Medium Quality and the Container Seedling Growth of Chinese Pine and Its Physiological Characteristics Research and Application of Forest Resource Multidimensional Data Model Design and Realize of Maplayer Management and Map Edit & Pagelayout Module in the Monitoring System of Forestry Ecological Engineering Community Features and Ordination of Some Meadows in Xilin River Flood Land, Inner Mongolia The Elemental Characteristics of the Root System of Plants of the Sandy Land of Pasture, Inner Mongolia The Rational Utilize and Protect of Vegetation in Mountain Area, Shandong Province (Abstract) Advancesin ecosystem service-based ecological risk assessment Effect of ecological factors and physiological factors on the net photosynthetic rate of Ulmus pumila at various growth stages Effects of water levels on the growth and reproductive characteristics of Carex brevicuspis growing on sites with different elevations Case studies on the identification of key biodiversity areas (KBAs) in foreign countries and progress and prospects in China Effects of land preparations and vegetation types on soil chemical features in a loess hilly region Coupling effects of different land preparation and vegetation on soil moisture characteristics in a semi-arid loess hilly region Analysis of the characteristics of rhizosphere bacterial diversity from plants with different water level gradients based on T-RFLP Effect of earthworms on the photosynthetic characteristics of wetland plants and their capacity to purify wastewater Shangri-La county ecological land use planning based on landscape security pattern ACCUMULATION AND BIOLOGICAL CYCLE OF NITROGEN AND PHOSPHORUS IN PINUS TAIWANENSIS COMMUNITY IN WUYI MOUNTAINS The Influence of Protection Forest on the Thickness of Accumulated Snow on Grassland