Effects of Deferred Grazing on Grassland Community Characteristics and Productivity in Alpine Meadow Effects of Difference Method and Fecal Crude Protein Method on Evaluating the Herbage Intake of Grazing Sheep Effects of Different Irrigation Methods on Alfalfa Yield and Irrigation Water Use Efficiency A Spread Model for Simulation of Forest Fire Based on Computer Graphics Technique A STUDY ON VEGETATIVE COMPENSATORY GROWTH OF SHRUB, CARAGANA KORSHINSKII, UNDER DIFFERENT CLIPPING TREATMENTS IN DISTURBANCE ENVIRONMENT A Freliminary Study of the Effects of Deferred Spring Grazing on the Pasture Vegetation Analysis of Constrains and Management Strategy for Animal Production in Grassland of Northern China Matrix formulation optimizing of Periplaneta americana Cream by D-optimal mixture design Qualitative Analysis of Endogenesis Hormone and Polyphenol During Rooting of Cuttings in Norway Spruce (Picea abies) Analysis of Genetic Structure of Magnolia sprengeri Populations Based on ISSR Markers Seasonality and Spatial Pattern of Leaf Area Index of a Spruce-Fir Forest at the Valley in Xiaoxing’an Mountains Off-target of CRISPR/Cas9 System ACC and MACC Biosynthesis and Ethylene Production in Water-Stressed Spring Wheat Dynamic modeling of the interactive effects of competition and landscape patterns on the spread of exotic species Spatial heterogeneity of leaf area index of mixed spruce-fir-deciduous stands in northeast China Anatomical and physiological differences of eight exotic species from Asteraceae The relationship between competitive ability and productive performance of spring wheat cultivars ON THE BIOMASS DYNAMICS OF FOUR EARLY SPRING PLANTS IN TAIYUAN, SHANXI STUDY OF FRAXINUS MANDSHURICA ASEXUAL REGENERATION IN THE HILLS AREA OF SANJIANG PLAIN Comparison of the Stem and Leaf Morphological Structures of 18 Communities of the Foreign Plant Eupatorium adenophorum Effect of Soil Moisture on Growth and Physiological Characteristics of Greenhouse Spring Cucumber During Seedling Period Comparison of Eupatorium adenophorum Heat Tolerances of Different Geographical Populations Cryo-protectant changes in roots of perennial grasses habituated in alpine area in spring related to dehardening Artificial neural network model of spring wheat growth system in semi-arid areas and yield forecast Effects of plastic film mulch and pre-sowing soil water on growth and yield of spring wheat in semi-arid areas of Loess Plateau Stump Sprouting of the Main Broad-Leaved Tree Species of Secondary Forestin Eastern Area of Northeast China Research advance in simulation and visualization of forest fire spreading via computer The Laws of Branching and Trunk Extension Sprouted from Lateral Buds in Paulownia trees QTL Analysis of Leaf Morphology and Spring Bud Flush in (Populus tomentosa×P. bolleanaP. tomentosa STUDY ON THE FOREST LAND CLEARANCE WAYS OF EUCALYPTUS GRANDIS×E.UROPHYLLA SECOND-GENERATION SPROUT REGENERATION STAND EFFICACY OF OIL FORMULATION OF BEAUVERIA BASSIANA TO DENDROLIMUS PUNCTATUS BY ULV SPRAYING RAPID PROPAGATION FROM SPROUT CULTURE IN VITRO OF EUCALYPTUS GRANDIS STUDIES ON SPECIES DIVERSITY INDEX AND REGENERATION FOR YOUNG LINZHI SPRUCE STANDS IN LINZHI,TIBET STUDY ON THE YIELD LOSSES CAUSED BY SPRING WHEAT SCAB Physio ecological response of spring wheat root to water and nitrogen Effects of znic nutrition on endogenous hormone and free radicals in spring maize Effects of silicon on mineral element uptake and distribution, yield and quality of Chinese spring onion Influence of droplet densities and spray methods on the efficiency of chlorpyrifos against brown planthopper Preparation of Panax notoginseng saponins-tanshinone ⅡA composite method for pulmonary delivery with spray-drying mothod and its characterization Determination of shikimic acid from spring and autumn fruits as well as different parts of Illicium verum Adaptabilities of Different Genotypes of Spring Wheat to Phosphorous Deficiency Detection on evolvement and present situation of genetic diversity of spring wheat cultivars planted in Gansu and Qinghai Provinces by SSR markers Detection on evolvement and present situation of genetic diversity of spring wheat cultivars planted in Gansu and Qinghai Provinces using quantitative characters Studies on heterosis of vernal hybrid F_1 of male sterile lines of Ven & K Typeal wheat and their relationship with chlorophyll content and zymogram of isoenzyme Effect of water stress on mesophyll cells and the number of stomata of spring wheat growing in semi arid region Patterns of Genetic Diversity and Population Structure of the Clonal Herb, Potentilla fragarioides var. sprengeliana (Rosaceae) in Korea Molecular Markers of Ph1 Gene in Chinese Spring and Development of Winter Wheat New Line Harboring ph1b Gene A Simplified Model with Soil Water Limitation on Spring Wheat Growth Tree Species Diversity in Abandoned Swidden Fields of Xishuangbanna, SW China Relationship Between Growth Redundancy and Size Inequality in Spring Wheat Populations Mulched with Clear Plastic Film The economic benefit of planting spring-corn in rice field and its efficient technique for system coupling Study on the relationship between soil nutrient and spring wheat yield and optimum fertilization Effects of application of lignin on the growth and yield of spring maize Effects of sprinkler irrigation on the field mieroclimate Effects of inter-cropping cotton with wheat on environmental factors and cotton growth and developmeat Effects of applying controlled-release fertilizer blended with conventional nitrogen fertilizer on Chinese cabbage yield and quality as well as nitrogen losses. Preliminary study on limited irrigation for spring wheat field in semi-arid region of loess plateau Carbon density and production in  valley spruce-fir forest in Xiaoxing’an Mountains, China. Research progresses on  methanogenesis pathway  and methanogens in coastal wetlands. Effects of different accumulated temperature on photosynthetic performances of spring maize varieties during grain-filling period. Temporal and spatial variation of soil nitrogen mineralization in northern slope of Changbai Mountain in Northeast China Dynamics and Structure of Phytoplankton Community in Spring in a Tropical Pumped-water Reservoir INVESTIGATION AND PRACTICE ON THE EPIPHYTOTIC TENDENCY PREDICTION OF SPRING WHEAT YELLOW DWARF VIRUS (BYDV) IN NINGXIA INTERACTION OF SURFACTANTS, SPRAYING VOLUME AND WEED LEAF ANGLE IN DROPLET RETENTION OF IMAZETHAPYR THE DRIFT OF DROPLET AND THE MATHEMATICAL ANALYSIS IN AERIAL SPRAY Reviews on Special Mechanisms of Adaptability of Early-Spring Ephemeral Plants to Desert Habitats in Xinjiang Preliminary Study on the Gaseous Nitrogenous Compounds Losses from Wheat Plant at Flowering and Seed Formation Stage Progresses of Studies on Forest Sprout Regeneration Changes of Anatomical Characteristics and Cellulose Activity in Xylem Tissue of European Spruce (Picea abies) after Inoculation with the Blue-Stain Fungus Ceratocystis polonica Rapid Propagation of Plantlets from Sprout of Vaccinium corymbosum in Vitro Comprehensive Evaluation on Cold Resistance of Nine Kinds of Deciduous and Semi-evergreen Dwarf Shrubs from the Freeze to Melt Period in Spring Preliminary Report on Diel Vertical Distribution Patterns of Peridiniopsis in Xiangxi Bay of the Three Gorges Reservoir Changes and Regulation of Stress Ethylene Production and Polyamine Content in Spring Wheat Leaves Exposed to O3 Determination of Anthocyanins and Exploration of Relationship between Their Composition and Petal Coloration in Crape Myrtle (Lagerstroemia hybrid) Effect of spring topdressing on yield,ferulic acid and total alkaloids of Ligusticum chuanxiong Effects of Limited Irrigation on the Root Development of Spring Wheat in a Semi-arid Region EFFECTS OF SOIL NITROGEN LEVELS ON MORPHOLOGY, BIOMASS ALLOCATION AND PHOTOSYNTHESIS IN AGERATINA ADENOPHORA AND CHROMOLEANA ODORATA Influence of interaction between nitrogen and sulfur on N,  P,  K and S absorption and distribution of Chinese spring onion Genotype difference and heterosis of nutrient characteristics of fluecured tobacco in seedling stage Use of silicone tubes as a simple method to measure in situ soil gas N2O concentrations and fluxes