Soil enzyme activity in spring potato fields under different mulching practices in double rice cropping area Allelopathic effect of Ageratina adenophora (Spreng.) leaf litter on four herbaceous plants in invaded regions Spring habitat selection by Alpine musk deer(Moschus sifanicus) in Xinglongshan National Nature Reserve, Western China Bacterial phylogenetic diversity of a cold spring sediment of Shawan, Xinjiang Impacts of leaf fertilizer application on taxol and 10-DAB contents in the needles of cultivated Taxus chinensis var. mairei Salt tolerance and assessment of salt tolerance indices of tomato varieties in sprout stage and seedling stage A Prileminary Study on Species Classification of the Genus Phyllostachys (Gramineae: Bambusoideae) Based on Vegetative Characters in Nonsprouting State Population Regeneration and Genetic Diversity of Spruce (Picea koraiensis) in Heilongjiang Eastern Mountain Area Study on Storage and Bourgeoning of Spruce Pollen Effects of Physiological and Biochemical Characteristics and Growth under Water Stress in Seedling of Spring Maize Effect of Different Nitrogen Rates on Nitrogen Absorption and Allocation of Spring Maize in Double Ridges Mulched with Plastic Film Leaf Growth and Medicinal Quality of Ginkgo Seedling with Spraying Mg,Zn,Mo Fertilizers A Study on the Density Control of Second-generation Eucalyptus grandis × E. urophylla Stand by Sprout Regeneration Species Diversity of Woody Plants in Mulinzi Nature Reserve of Hubei Province Effects of Nitrogen, Phosphorus, Potassium and Irrigation on the Growth of Spring-shoots in Mature stands of Camellia oleifera Dynamic Testing and Probability Distribution of Elastic Modulus of SPF Dimension Lumbers Chemical constituents in roots of Ilex asprella Tox is ity can pon en is in codecoction of Bawe i D Juang Recipeand GiisengDecoction by ESI-M S DCA Ordination, Quantitative Classification and Environmental Interpretation of Spruce and Fir Communities in Northwest Sichuan and South Gansu DYNAMICS OF SPECIES DIVERSITY IN THE RESTORATION PROCESS OF ARTIFICIAL SPRUCE CONIFER FOREST IN THE EASTERN EDGE OF QINGHAI-TIBET PLATEAU Freezing resistance and injury indices for different cultivars of winterspring wheat in HuangHuaiHai Plain. Ⅰ. Comparison of  freezing resistance for different cultivars of winterspring wheat during midwinter period. Effects of increasing field temperature on growth, development and yield of spring wheat in semiarid area. Effect of grass barrier-combined filter strips on the reduction of nitrogen and phosphorus concentration under concentrated flow of varying densities. Low-temperature response and cold tolerance at spike differentiation stage of winter wheat varieties sowed in spring. Light and temperature indices during the seeding stage of spring maize in Hetao irrigation district, Inner Mongolia, China. Species composition and community structure of  a spruce-fir forest and a larch forest  on the northern slope of Changbai Mountains, Northeast China. Effects of high temperature and humidity stress at the physiological maturity stage on seed vigor, main nutrients and coat structure of spring soybean. Effects of Simulated Nitrogen Deposition on Soil Respiration in Spruce-fir-Korean Pine Forest of Xiaoxing’anling Mountains in China Influence of Different Preserve Methods for the Sexuale Number and Survival Rate of Chinese Horned Gall Aphid, Schlechtendalia chinensis (Bell) STUDY ON COMPARISON OF KARYOTYPES BETWEEN SYNAPTONEMAL COMPLEX AND CHROMOSOME IN RYE (Secale cereale L.) Response of Photosynthesis and Chlorophyll Fluorescence Parameters of Schima superba Resprouts Following the Ice and Snow Storm Relationship between the Ratoon Ability and the Change of Endogenous Hormone in Sugarcane at Sprouting Stage Endogenous Phytohormone changes in the Release of Dormant Tillering Bud in rice Effect of Plant Density on Dynamic Characteristics of Leaf Area Index in Development of Spring Maize Exploring Molecular Markers of Preharvest Sprouting Resistance Gene Using Wheat Intact Spikes by Association Analysis Effects of Irrigation with Micro-sprinkling Hoses on Canopy Temperature and Humidity at Filling Stage and Grain Weight of Wheat Effect of Different Positions of Bordered Pit Torus in Yezo Spruce on Its Permeability Optimization for vacuum belt drying process of Panax notoginseng extract Prepared evening primrose oil microspheres by spay drying Study on Xinyueshu spray drying assisted with copovidone and its effect on powder property Studies on absorption kinetics characteristics of diterpenoid alkaloids in rats after oral administration of Sini Tang powder Studies on new co-processed excipient consisting of lactose and gelatinized starch The suitable potassium fertilizer rate in spring maize in hilly area of central Sichuan Basin, China Effects of DCD addition on grain yield, N2O emission and residual nitrate-N of spring maize in rain-fed agriculture Response of soil mineral nitrogen accumulation and enzyme activities to nitrogen application in spring maize Effects of N,  P and K fertilization on spring maize yield and fertilizer use efficiency in Weibei rainfed highland Effect of optimum fertilization on nitrogen use efficiency and nitrateleaching in the greenhouses Effects of different selenium spraying scheme on the fruit quality, total selenium and organic selenium contents in ‘Red Fuji’ apple trees Effects of phosphorus fertilization methods on phosphorus absorption and utilization of high yield spring maize Effects of sulfur contents on growth and quality of garlic sprout Effects of nitrogen fertilization on yield, profit and nitrogen absorption and utilization of spring maize The responses of antioxidant defense system at different developmental stages of spring wheat to gradual drought stress in field NaCl胁迫对小麦幼苗生长、叶绿素含量及Na^+、K^+吸收的影响 THE ABNORMALITY OF EMBRYO AND ENDOSPERM DEVELOPMENT IN SPRING WHEAT OF TWINS SEEDLING ECOLOGICAL AND BIOLOGICAL DIFFERENCES BETWEEN SPRING AND AUTUMN PLANTS OF TWO DESERT EPHEMERALS CHARACTERISTICS OF PHOTOSYNTHESIS AND BIOMASS ALLOCATION OF SPRING EPHEMERALS IN THE JUNGGAR DESERT MOSS GROWTH RATE AND ITS ENVIRONMENTAL DETERMINANTS IN SUBALPINE CONIFEROUS FORE STAND CLEAR-CUT LAND IN EASTERN TIBETAN PLATEAU, CHINA PRELIMINARY STUDY OF CARBON DENSITY, NET PRODUCTION AND CARBON STOCK IN NATURAL SPRUCE FORESTS OF NORTHWEST SUBALPINE SICHUAN , CHINA Dynamics of nutrient supply to sprouts from the roots and soil during sprouting of Quercus aquifoliodes shrublands, western Sichuan, China Variation in net CO2 exchange, gross primary production and its affecting factors in the planted pasture ecosystem in Sanjiangyuan Region of the Qinghai-Tibetan Plateau of China Spatial heterogeneity of natural regeneration in a spruce-fir mixed broadleaf-conifer forest in Changbai Mountains. Vulnerability assessment on the coastal wetlands in the Yangtze Estuary under sea-level rise. Temporal and spatial variations of soil NO3--N in Orychophragmus violaceus/spring maize rotation system in North China. Climatic suitability model for spring maize in Northeast China. Net ecosystem CO2 exchange and its environmental regulation mechanisms in a reed wetland in the Yellow River Delta of China during the growth season. Impacts of drought stress on the growth and development and grain yield of spring maize in Northeast China. Responses of spring corn growth and yield in a cold area of China to field warming at nighttime during preanthesis stage. Method of determining the maximum leaf area index of spring maize and its application Associations between weather factors and the spring migration of the horned gall aphid, Schlechtendalia chinensis The regional diversity of changes in growing duration of spring wheat and its correlation with climatic adaptation in Northern China Cost-benefits of the clonal integration of Cynodon dactylon, a stolon herbaceous plant, under heterogeneous lighting condition Effects of Consecutive Selections for Low Poly Phenol Oxidase Activity on Wheat Pre-harvest Sprouting(PHS) Roles of Methanol on Plants and Its Physiological Mechanisms DYNAMIC OF JUJUBE WITCHES’BROOM DISEASE AND FACTORS OF GREAT INFLUENCE AT ECOLOGICALLY DIFFERENT REGIONS IN CHINA A STUDY ON THE BIOLOGY OF THE PINEUS ARMANDICOLA (HOMOPTERA:ADELGIDAE) EFFECTS OF DIFFERENT CUTTING METHODS ON REGENERATION AND HABITAT FOR SPRUCE FIR FORESTS CONTROLLING OF DORMANCY AND SPROUTING OF STORED CHESTNUT BY MEANS OF TEMPERATURE FORECAST METHOD OF FOREST FIRE DANGER GRADE IN THE CENTRAL AREA OF YUNNAN Effects of Photoperiod Under Red LED on Growth and Quality of Sunflower Sprouts In vivo pharmacokineics of salvianolic acid B and its metabolite in rats