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Obstacles of soybean continuous cropping Ⅱ Mechanism of soybean yield decline and control strategies for toxin of Penicillium purpurogenum in soils Rice field ecosystems in northern China Ⅱ. Study of symbiotic nitrogen fixation of Azolla in rice-Azolla combination systems Study on soil sickness by soybean continuous cropping I. Effect of mycotoxin produced by Penicillium purpurogenum Expert system design for agroecological patterns of multiple cropping in Lower Reaches of Liaohe PlainⅠ.Design thought of the system A study of the spectral variations of solar radiation inside and outside the inter crop system of Paulownia trees and wheat crop Effects of non-flooded mulching cultivation and N rates on productivity and N utilization in rice-wheatcropping systems The effects of intercropping oat and wheat on growth and manganese nutrition of wheat Effects of sterilization on growth of cucumber plants and soil microflora in a continuous mono-cropping soil The distribution of soil nutrients on sloping land in the gully region watershed of the Loess Plateau Berberis pingbaensis，a new species of Berberis Linn.（Berberidaceae） from Guizhou，China Obstacle Effect of Continuous Cropping on Salvia miltiorrhiza Growth Advances on rice QTL analysis Characteristic and Genetic Linkage Analysis of Cf19 Gene in Tomato Genetic Analysis and Gene Mapping of Tomato yellow leaf curl virus Resistant Gene ty-5 Effects of Continuous Cropping Soil Sterilization and Applying of Different Fertilizer on Phenolic Acids in Rhizosphere Soil of the Strawberry Plants and Soil Enzyme Activities Primary Construction of a Genetic Linkage Map of Rosa beggeriana‘Aurea’× R. Davurica Primary Construction of a Genetic Linkage Map of Rosa beggeriana‘Aurea’× R. Davurica Inheritance Analysis and QTL Mapping of Cucumber Seed Size Genetic Analysis and Gene Mapping of Red Mature Fruit in Cucumber Genetic Analysis and Gene Mapping of Red Mature Fruit in Cucumber Construction of a Highly Dense Genetic Map Using SNP and Mapping of Three Qualitative Traits in Cucumis melo Construction of a Highly Dense Genetic Map Using SNP and Mapping of Three Qualitative Traits in Cucumis melo Roles of Tree-Shrub-Grasses for Developing Cattle-Sheep Production Theory and Practice on Sustainable use of China‘s Natural Grassland: A Study on the Development Strategy of Grassland-Livestock and Grassland-Agriculture Rethinking of Grass Industry Development in Chinese Rural Area Effects of Mulberry/Alfalfa Intercropping on Their Growth, the Utilization of Land and Light Resource Effects of Infiltrating Irrigation and Overhead Irrigation or Sprinkler Irrigation on the Seed Germination and Seedling Growth of Creeping Bentgrass Identification of a RFLP Marker Linked to a Donminent Male Sterile Gene inCabbage Review of Research on Genes Molecular Locating and Molecular LinkageMapping in Pepper Effect of Intercropping on Disease Management and Yield of Chilli Pepper and Maize Effect of Intercropping on Disease Management and Yield of Chilli Pepper and Maize Experimental research on Qingyan Droping Pills for treatment of oral ulcer in rats Damage Mechanism of Heat Stress and Genetic Basis of Heat Tolerance in Rice Investigation of genetic diversity and population structure of stripe rust resistant wheat in Southwest China Fine Mapping of the Multi-allele Genic Male Sterility Gene in Brassica rapa L. ssp. pekinesis Optimized preparation of Silymarin Dropping Pill by a central composite design-response surface method The Establishment and Application of the Ecological Mapping System of the Ordos Grassland Station Genetic dissection of maize seedling root system architecture traits using an ultra-high density bin-map and a recombinant inbred line population Evolving technologies for growing, imaging and analyzing 3D root system architecture of crop plants Plant villins: Versatile actin regulatory proteins Norway spruce (Picea abies) laccases: Characterization of a laccase in a lignin-forming tissue culture Characterization and Genetic Analysis of a Light- and Temperature-sensitive Spotted-leaf Mutant in Rice Clustering of Pathogen-Response Genes in the Genome of Arabidopsis Thaliana ENERGY FLOW CHARACTERISTICS OF ALLEY CROPPING ON HILLSIDES IN SICHUAN, CHINA FFECTS OF MAIZE INTERCROPPING WITH DIFFERENT GENOTYPES ON LEAF SENESCENCE AND GRAIN YIELD AND QUALITY INTERCROPPING ADVANTAGE AND CONTRIBUTION OF ABOVE- AND BELOW-GROUND INTERACTIONS IN WHEAT-MAIZE INTERCROPPING DEM-BASED MODELING OF THE IMPACT OF VEGETATION RESTORATION ON ANNUAL STREAMFLOW IN THE LOESS PLATEAU OF CHINA Effects of three planting patterns on soil microbial community composition Growth, distribution and exudation of fine roots of Chinese fir trees grown in continuously cropped plantations Effect of sterilization with CH_3Br on root growth of soybean seedlings Formation and succession of plant community on phosphate mining wasteland in Zhangcunping, Southwest, Hubei Province,China Mass trapping with synthetic sex pheromone for control of the Chinese tortrix,Cydia trasias(Meyrick) The growth of canopy trees and gap dynamics of the Korean-pine forests A study on the compensation of spring wheat for clipping Facilitation of wheat to phosphorus uptake by soybean in the wheat soybean intercropping NUTRIENT CYCLING AND BALANCE OF SLOPING UPLAND ECOSYSTEMS ON RED SOIL Distribution pattern and growing dynamics of the roots system in apple wheat intercropping system STUDY ON MECHANISMS OF IMPROVEMENT OF IRON NUTRITION OF PEANUT BY INTERCROPPING WITH MAIZE OR WHEAT ECOLOGICAL EFFECTS OF PLANTING VETIVER GRASS IN CITRUS GROVES ON SLOPING RED SOIL FIELDS Comparison and Evaluation of Attracting Methods to Monochamus alternatus Estimation Transpiration-water Requirement from An Apple Tree in Apple crop Intercropping System Study on the Water and Heat Effects of Ginkgo-Wheat Inter-cropping Model on Wheat Potential Evapotranspiration in Apple-Wheat Intercropping Effects of Different Continuous Cropping and Rotation of Poplar Plantation on Soil Nitrogen Bacteria Community and Nitrogen Metabolism Part-Oriented Cutting Layout Mathematical Modeling and Solving by Genetic Algorithm for Rectangular Wood Based Panel Parts An Elite Variety of Euonymus japonicus ‘Huayuanfa’ Estimation of Provincial Spatial Distribution Information of Forest Tree Species (Group) Composition Using Multi-Sources Data Screening of Metarhizium anisopliae Strain with High Virulence against Larvae of Curculio chinensis (Coleoptera: Curculionidae) Environmental Suitability for Camping Tourism in Langxiang Nature Reserve Based on Analytic Hierarchy Process Cloning and Analysis of Miniature Inverted Repeat Transposable Elements PhTourist 1 from Phyllostachys edulis Infection Process of Metarhizium pingshaense on Melanotus cribricollis (Coleoptera: Elateridae) Observed by Scanning Electron Microscope Mapping Quantitative Trait Loci for Reproductive Barriers Occurring in Hybrid Between indica and japonica Rice Random Amplified Polymorphic DNA(RAPD)--A New Molecular Marker Effects of Salvia miltiorrhiza on Chlamydia trachomatis mice of salpingitis Study on the growth and characteristics of mineral nutrition and ion absorption of pomelo seedlings under salt stress The border effect and utilization rate of N fertilizer as base under wheat intercropped with spinach Nitrogen complementary use in intercropped wheat and faba bean Comparision of two methods used to study the biological nitrogen fixation and nitrogen transfer from peanut to rice in aerobic soil of intercropping system Effect of nitrogen levels on quality of wheat /corn monocropped and intercropped Control effect on rice dry seedling damping-off by calcium