Discussion of Precipitation Information in Xiagansate Tree-ring Chronology and 326 Year Precipitation Reconstruction Effects of film mulching on nitrogen use efficiency of spring maize and soil available nitrogen variations in the middle reaches of Yangtze River Effects of partially replacement of inorganic N with organicmaterials on nitrogen efficiency of spring maize and soil inorganic nitrogen content under the same N input Effects of nitrogen, phosphorus and potassium on photo-biological characteristics and amino acid components of tea plants in spring Research on Restoration Technology of Degenerated Artificial Haloxylon ammodendron Forest Effect of High CO2 and N2 Shock Treatment on the Sprouting and Hormone Content of Chinese Chestnut(Castanea mollissima Blume) during Shelf-life Applicability evaluation of DSSAT-CERES model on production of spring maize in Hill and Gully Area of the Loess Plateau Physiological and biochemical mechanism of 15N-urea foliage spraying in increasing the nitrogen uptake and utilization of cotton seedlings Influence of Sample Numbers of Offspring Tested on Genetic Analysis of Quantitative Traits Responses of seeds of spruce, larch and other conifers to water stress in the seed germination stage Status of Endogenous Hormones from Sproutiog Dormant Bud of Chinese Fir Stump Effects of Tfree Age,Felling system on the sprout Regeneration of Acacia auriculitormis Effects of Cutting Season, Stump Diameter and Cutting Tool on the Sprout Regeneration of Acacia auriculiformis Studies on Control Measures of Die-back of Pines Effect of Iron Application on Growth, Yield and Quality in Radish Sprouts Effect of Iron Application on Growth, Yield and Quality in Radish Sprouts Advances of Glycoprotein of Spring Viremia of Carp Virus(SVCV) The discovery of triploid Lycoris sprengeri Comes ex Baker from Anhui, China Soil physical and chemical properties and root distribution in high yielding spring maize fields in Yulin, Shaanxi Province. Effects of different tillage measures on upland soil respiration in Loess Plateau. Fire behavior of ground surface fuels in Pinus koraiensisand Quercus mongolica mixed forest under no wind and zero slope condition: A prediction with extended Rothermel model. Spatial distribution characteristics of the biomass and carbon storage of Qinghai spruce (Picea crassifolia) forests in Qilian Mountains. Characteristics of soil respiration in artificial restoration process of subalpine coniferous forest in eastern Qinghai-Tibet plateau. Gene Editing Tools Mediated by CRISPR-Cas Spatial distributions and associations of main tree species in a spruce-fir forest in the Changbai Mountains area in northeastern China The flowering phenophase response of early spring herb to the urbanization process in Beijing Spatial distribution patterns of seedling and sapling in a spruce-fir forest in the Changbai Mountains area in northeastern China Using cellular automata to study patchy spread in a predator-prey system Effects of Spraying Uniconazole on Morphological and Yield of Groups in Maize-soybean Strip Intercropping System Responses of Gas Exchanges Characteristics and Biomass Accumulation and Allocation of Spring Wheat With Different Drought Tolerance to Water and Nitrogen Treatments Effects of Irrigation Amount on the Growth and Physiological Indexes of Drip Irrigated Spring Wheat Response of Spring Maize to Nitrogen Applicat ion in Physiological Characteristics of Functional Leaves and Grain Yield Polymorphism of Lipoxygenase Genes in Heilongjiang Spring Wheat Cultivars Researches on Callus Induction from Floral Organs of Lycoris and Observation of Ultrastructure of Callus Nitrogen release characteristics of coated urea and its effect on spring maize with touching application Characteristics of dry matter production and nitrogen use efficiency of 37 spring maize hybrids with high-yielding potential in north of China Real-time nitrogen management for spring maize using the soil nitrate-N test Effect of potassium application and straw returning on spring maize yield, nutrient absorption and soil potassium balance Variations of the grain yields and N absorption of spring maize in Heilongjiang Province Phosphorus utilization characteristics of forty spring maize hybrids with high-yielding potential in north of China Effect of conventional and optimized nitrogen fertilization on spring maize yield, ammonia volatilization and nitrogen balance in soil-maize system Disease development of sheath blight in directly row-seeded Japonica rice and its management with two bio-pesticides ON THE FORMATION OF DESTRUCTIVE POPULATION OF RICE WATER WEEVIL IN DOUBLE RICE CROPPING AREA OF ZHEJIANG PROVINCE,CHINA DAMAGE CAUSED TO SPRING OILSEED RAPE BY MELIGETHES AENEUS AND ITS EFFECT ON SEED YIELD MASS APPLICATION OF ENTOMOGENOUS NEMATODE AGAINST LICHI STEM BORER 3-D Tree Model and Its Visualization in Guozigou Forest Farm Cloning and Expression Analysis of LsMYB4 Gene in Lycoris sprengeri Effects of Sulfur on Growth and Key Enzyme Activities Involved in Nitrogen and Sulfur Assimilation in Chinese Spring Onion Effects of Sulfur on Growth and Key Enzyme Activities Involved in Nitrogen and Sulfur Assimilation in Chinese Spring Onion A PRELIMINARY STUDY ON SPROUTING OF CANOPY TREES IN MIDDLE MOUNTAIN MOIST EVERGREEN BROAD-LEAVED FOREST OF AILAO MOUNTAIN, YUNNAN Effect of the nitrogen and phosphorus levels and meteorological conditions on formation dynamics of grain protein content in spring wheat AGE STRUCTURE AND DYNAMICS OF NATURAL SPRUCE (PICEA WILSONII) FORESTS IN GUANCEN MOUNTAINS Molecular Identification and Comparison of the Polyphenol Oxidase Genes in Spring Wheat Cultivars Between Russia and Helongjiang Provence Effects of Different Tillages on the Soil Water of Spring Wheat Allelic Variation at Vernalization and Photoperiod Genes in Heilongjiang Spring Wheat Cultivars and Effect on Agricultural Traits STUDY OF SLIGHTLY-WATER-SOLUBLE SLOW-RELEASE FERTILIZER ON SPRING CORN AND ENVIRONMENT EFFECT UNDER THE CONDITION OF DIFFERENT IRRIGATION AMOUNT Sprouting ecology of woody plants:A research review Pot experiment on effect of clipping at seedling stage on spring wheat Effect of topsoil drought and root signals on yield formation of spring wheat Morphological characteristics and growth redundancy of spring wheat root system in semi-arid regions Effect of inhibitors and their combination on the behavior and fate of urea 15N in wheat soil system Effect of long term foliage dressing rare earth elements (REEs) on their distribution, accumulation and translocation in soil spring wheat system Relationships between ecological site quality and site index of lodgepole pine and white spruce in Northern British Columbia The netz-phytoplankton community of the Central Bohai Sea and its adjacent waters in spring 1999 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 Responses of Growth and Reproduction of Sophora moorcroftiana to Altitude and Sand-Burying in Tibet The coming of RNA-based pest controls Characterization of female sex-pheromone in Holotrichia parallela (Coleoptera, Scarabaeidae, Melolonthinae) of Qingdao population and their application in the field Isolation and identification of siderophore producing bacteria CAS15 from the soil Effects of plastic film mulching and pre-sowing irrigation on yield formation of spring wheat Effects of soil water stress on pigment contents in leaves of different drought-tolerant spring wheat cultivars Effect of anisodamine on amylase and POD of wheat seedlings Compensation effectsof planting density and fertilization on grain yield,water use efficiency and seedsnutrient contents of dry land spring wheat A study on the relationship of competitive ability,water using efficiency and yield of two spring wheat varieties 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 Effects of Irrigation Methods on Growth and Water Use Efficiency of Alfalfa in Arid Northwest China