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Genetic Contribution of Introduced Varieties to Wheat Breeding in China Using SSR Markers Establishment of a DNA Extraction Method Suitable for RAPD Analysis of Trace Arnounts of Camellia japonica L. An Elite of Larix kaempferi ‘Luoyang 1‘ An Improved Variety of Cornus officinalis ‘Funiu Hongshuo’ Studies on Eutrophicated Water Quality Improvement by means of Aquatic Macrophytes Studies on Methods for Developing Modified Single Crosses of Maize THE SETLEMENT AND COMPETITION OF THREE ARBOR MANGROVE SPECIES IN THE BUSH COMMUNITY Dynamics Analysis of the Relationship between Zokor and Secondary Forests on the Loess Plateau An Improved Variety for Samara and Medicinal Use： Eucommia ulmoides‘Huazhong 3’ Advances in studies on chemical constituents of Xanthoceras sorbifolia and their pharmacological activities Biology of maize rough dwarf virus and the strategies for improvement of maize resistant varieties THE RELIABILITY ANALYSIS OF THE MODEL FOR PREDICTING PESTICIDE RESIDUE Mechanism of nutrient preservation and supply by soil and its regulation IV. Fertility regulation and improvement of brown earth type vegetable garden soil and their essence Comparative study on remedy ways of saline-alkali grassland in Songnen Plain Benefit evaluation on soil improvement by the water and soil conservation forest Research Progress of Genetically Modified Plants With Nutrition Improvement A BRIEF DISCUSSION ON THE MAJOR EFFECTS OF PRACTACULTURE ON THE MULTIPLE IMPROVEMENT FOR THE TYPES OF DETERIORATED LANDS IN CHINA Studies on Genetic Improvement of Yield and Yield Components of Wheat Cultivars in Mid-Shaanxi Area Genetic Improvement of Accumulation and Distribution of Assimilates and Source Sink Constitution of Wheat Cultivars in Mid-Shaanxi Area Effects of Improvement by Mass Selection on the Different Maize Synthetic Populations Graft-induced Inheritable Variation in Mungbean and Its Application in Mungbean Breeding Effects of Arbuscular Mycorrhizal Fungi on Seedling Growth of Chukrasia tabularis Application of plant molecular breeding in improving cassava germplasm Studies on Percutaneous Absorption of Berberine from Ruyijinhuang Adhesive Tape Improvement in Photosynthetic Characteristics Among Maize Varieties in China from the 1950s to the 1990s Evolution of Maize Root Distribution in Space-Time During Maize Varieties Replacing In China Ecological effect of windbreaks and sand-fixation forests on Heihe River valley—A case study of Gaotai County,Gansu Province Study on biological acute toxicity of Sonneratia apetala fruit and leaves and its aqueous extracts Nitrogen fertilizer effects on a 15 year old mixed species alpine pasture after two years RESISTANT PLANTS BREEDING BY MEANS OF CELL/TISSUE CULTURE Changes of Some Leaf Characteristics in Rice (Oryza sativa L.) Varieties Released from 1958 to 2005 in Jilin Province Quality Improvement of Long-te-fu Male Sterile Lines with Antisense Wx Gene and Associated Application in Rice Breeding A Unique Aegilops tauschii Genotype Needless to Immature Embryo Culture in Cross with Wheat Studies on Memory-improving Effect of Aqueous Extract of Astragalus membranaceus(Fisch.)Bge. Analysis on quality of leaves of improved Ginkgo biloba seedling sprout Ⅰ STUDY ON THE INHERITANCES AND CORRELATIONS OF WOOD QUALITY CHARACTERISTICS OF POPULUSבPOPULARIS‘IMPROVED CLONES THE ADVANCES OF PAULOWNIA STEM FORM CULTIVATION RESEARCH GENETIC RESOURCES,TREE IMPROVEMENT AND GENE CONSERVATION OF HAPLOXYLON PINES IN EAST ASIA Comparative Assessment of SSR Allelic Diversity in Wild and Cultivated Rice in China Changes of Photosynthetic Characteristics in Top Three Leaves of Rice (Oryza sativa L.) Cultivars in Released Different Years in Jilin Province Progress in the Study of Molecular Genetic Improvements of Poplar in China Ascertainment and application of precision model in biomass estimate as well as parameter identification Exploring strategies about ecological improvement based on local responses in northern agro-pastoral ecotone An improvement on life table of experimental population:example from Cyrtorrhinus lividipennis Reuter (Hemiptera: Miridae) Effect of Improvment Methods for Saline-alkalin Grasslands on Nitrogen Metabolism of Astragalus adsurgens Effect of nitrogen topdressing on the growth of Suaeda salsa and the improvement of saline soil Comparative Analysis of Genetic Diversity in Landrace and Modern Rice Varieties in China Diversity Analysis by Seed Traits and ISSR marker of Xanthium sibiricum Patrin Germplasm in Shandong Province Extraction of High Quality Total RNA from Ammopiptanthus mongolicus with Improved Trizol Method Applications of gene transfer technology to apple cultivars improvement An Improved Variety for Samara and Medicinal Use：Eucommia ulmoides ‘Huazhong 4’ Developing Integrated Methods to Construct Urban Potential Green Corridors: A Case Study of Changzhou City Comprehensive Evaluation of Soil Fertility after Transformation of the Low-Quality Forest in the Daxing’anling Mountains Evaluation of Clear-Cutting Improvement Methods of Low-Quality Forests in Xiaoxing‘an Mountains Based on Principal Component Analysis Effects of Different Improvement Measures of Saline-alkali Grassland on Photosynthesis and Other Physiological Characteristics of Elymus dahuricus Application of Improved Prototype Design Method to Establishment of General Forest Resources Management Information System (GFRMIS) on County-Level Variation in Wood Properties of Different Provenances of Exotic Loblolly Pine for Pulpwood An Improved Variety for Male Flower Use： Eucommia ulmoides‘Huazhong No. 5’ Evaluation of Improvement Effect of Restorer Lines on Pyramiding Genes Resistant to Rice Blast, Bacterial Leaf Blight and Brown Planthopper Improvement and enhancement of traditional Chinese medicine injections Advances in Genetic Improvement of Bamboo Plants Studies of Evaluation Models on Soil Improvement Benefit of Water and Soil Conservation Forest Some Sustainable Strategies of Improvement and Breeding for Eucalyptus Tree Species in Southern China Effect of the Selection of Grown Structure and Growth Characteristics on the Improvement of Tree Trunk Form in Paulownia fortunei Improving the Resistance of Wuyunjing 8 to Rice Stripe Virus via Molecular Marker-Assisted Selection Effects of Nitrogen Rates on Grain Yield and Population Quality of Mid-season Japonica Rice Cultivars at Different Decades in Jiangsu Comprehensive assessment of marine ecological indexes based on improved projection pursuit method The Improved Stained Methods of Paraffin Sections Production Phosphorus adsorption characteristics of soft rock modified sandy soil Leymus Chinesis Grassland Improvements (Review) Research Progress of Round Bale Silage Technology A Study on Improving the Main Morphological Traits of Annual Ryegrass by Backcross Recent Progress in Model Grass Brachypodium distachyon (Poaceae)