Mechanism on the volunteer weeds of herbicide- resistant genetically-modified plants Compensation effectsof planting density and fertilization on grain yield,water use efficiency and seedsnutrient contents of dry land spring wheat Advances on research of vernalization-related gene FLC A study on the relationship of competitive ability,water using efficiency and yield of two spring wheat varieties Effects of different soil water treatment on flag leaf senescence of different drought-endaring wheat cultivars New strategies ofplant gene-engineering for integrated weed management Evolvement of genetic diversity of spring wheat varieties in Gansu and Qinghai Provinces Cytological study of backcross plants Chinese Spring ph1b mutant with different Aegilops by common wheat Study on physiological and biochemical mechanism of increasing yield of spring wheat by using plastic mulching Review of clear plastic film mulch on spring wheat in semi-arid loess plateau The responses and their physio-ecological bases of spring wheat to limited irrigation in Loess Plateau Effect of physiological and chemical changes of deastringent Huoshi by heat treatment Effect of water stress on floret differentiation and the content of nitrogen,phosphorus and plant hormone in different drought enduring wheat The change of tannic cells in astringent persimmon fruits during the process of growing,deastringenting and reastringenting Effects of High Temperature Heat Treatment at 185 ℃ on Mechanical Properties of Ash Wood Impactanalysis of human activities and climate change on Honghu lake’s spring drought Climate response of tree growth along an altitudinal gradient in the Changbai Mountains, Northeast China Relationships of stable carbon isotope of Abies faxoniana tree-rings to climate in sub-alpine forest in Western Sichuan Response of the alligator weed flea beetle, Agasicles hygrophila (Coleoptera:Chrysomelidae) to overwintering protection and its controlling effect on alligator weed Alternanthera philoxeroides (Amaranthacese:Alternanthera) The ecology and environment monitoring technical systems in national large-scale coal-fired power base:a case study in Xilingol League, Inner Mongolia Analysis on economical effect of project of returning farmland to forest and grassland in the Loess Hilly and Gully Area: a case study in Ansai Country Using CVM to estimate the restoring cost of Maqu grassland Key technology & strategy for optimizing water environments in lake catchments from point of view of substance circulation and balance Impacts of litter on physical and chemical soil properties and its karst effects on different forested Karst ecosystem The effect evaluation of the program of restoring grazing to grasslands in Maqu County Effect of no-tillage and rice straw manuring on the combined forms of humus and microbial activities in paddy soil Effect of slow filtering eco-treatment with different hydraulic loading rates of domestic wastewater on soil and poplar growth Overwintering of the diamondback moth, Plutella xylostella in temperate countries Tree ring-climate response and endangered mechanism deliberation of Japanese yew (Taxus cuspidata) in Muling Nature Reserve Age structure and regeneration strategy of the dominant species in a Castanopsis carlesii-Schima superba forest A model for predicting flowering date and external quality of cut tulip in solar greenhouse Integrating geographic features and weather data for methodology of rasterizing spring maize growth stages Geochemical evolution processes of soil major elements in the forest-dominated Jinshui River Basin, the upper Hanjiang River Ecological monitoring of bryophytes for mercury pollution in Danzhai Mercury Mine Area, Guizhou Province, China Photosynthetic response of different ecotype of Illicium lanceolatum seedlings to drought stress and rewatering The establishment of the indication on environmental health of butterfly and of the environmental monitoring evaluation system in Chongqing Research on Rewatering Post-Drought Growth Recovery Capacity and Physiological Characteristics of Different Maize Varieties Genetic Diversity among 32 Germplasms of the Genus Capsicum by Isozyme Analysis Cloning and Expression Analysis of CgSEP3 Gene from Cymbidium goeringii Detection of Pseudomonas syringae pv. maculicola from imported rape seeds Research on detection of Tobacco ringspot virus by RT-LAMP Effects of p-hydroxybenzoic acid on induced resistance of flowering Chinese cabbage to anthracnose and the associated plant physiological characters Characteristics of gene expression driven by two tandem pathogen-inducible promoters Building and Application of Forest Ecological and Resourcs Information Sharing System Response of Ring Width and Ring Density of Platycladus orientalis to Climate Change in Beijing Application of Portable Meter for Measuring Leaf Nitrogen and Chlorophyll Content in the Process of Leaf Autumn Senescence Study on Relationship between Tree-Ring and Climatic Change Study on Early Bearing Techniques for Improved Cultivars of Ginkgo Assessing Biodiversity of Wintering Waterbirds and Conservation Priorities in Hainan Island Age Structure and Growth of Degraded Populus euphratica Floodplain Forests in NW China and Perspectives for Their Recovery Carotenoid Metabolism: Biosynthesis, Regulation, and Beyond Capacity of Old Trees to Respond to Environmental Change Timing of Photoperiodic Flowering: Light Perception and Circadian Clock Variations of Water-Soluble Carbohydrate Contents in Different Age Class Modules of Leymus chinensis Populations in Sandy and Saline-Alkaline Soil on the Songnen Plains of China Micro RNAs and Short-interfering RNAs in Plants The Katanin Microtubule Severing Protein in Plants Culturing the Segments of Bryopsis hypnoides Lamouroux Thalli Regenerated from Protoplast Aggregations Achene Wall Anatomy and Surface Sculpturing of Lactuca L. and Related Genera (Compositae: Lactuceae) with Notes on Their Systematic Significance Florigen: One Found, More to Follow? Progress in the Study of Molecular Genetic Improvements of Poplar in China Quantitative Trait Loci Mapping of Maize Yield and Its Components Under Different Water Treatments at Flowering Time Advances in the Plant Isoprenoid Biosynthesis Pathway and Its Metabolic Engineering Soil physical and chemical properties and root distribution in high yielding spring maize fields in Yulin, Shaanxi Province. Monitoring models for phosphorus content of apple flowers based on hyperspectrum Effects of different tillage measures on upland soil respiration in Loess Plateau. Planning of monitoring points for agricultural products security based on integrated weighted clustering method. Effects of microbial agent inoculation on bacterial community diversity in the process of pig manure composting. Research Progress of Isobutanol Biosynthesis The Prospect and Development of the Human Acid Fibroblast Growth Factor Methodological issues related to measuring and monitoring carbon stock changes induced by land use change and forestry activities The netz-phytoplankton community of the Central Bohai Sea and its adjacent waters in spring 1999 Effects of temperature and relative humidity on survival of the overwintering green lacewing,Chrysoperla sinica(Tjeder) (Neuroptera: Chrysopidae) Ecological footprints:Calculation and analysis of ecological footprints from 1999 to 2001 in Liaoning Province Effect of micro-irrigation with rainwater catchment on the yield and w ater use efficiency of spring wheat in the northwest of the Loess Plateau Discussion on ecological role of hydraulic lift in arid region The study on dynamic monitoring soil water contents using remote sensing optical method A preliminary application of PCR-DGGE to study microbial diversity in soil GIS simulation on the distribution of submerged macrophytes in Baoan Lake Response of stable-carbon isotope composition of different tree-ring compounds to climatic change Spatial Modeling on Nutrient Reduction in the Wetlands II. Finalization and Application