Study on geographical distrbution characteristic of phytoplankton in the Heihe valley Studies on the aquatic vascular plant communities and ecological characteristics in Heihe valley The floristic characteristics in the source area of Changjiang (Yangtze) River The characteristics of the woody plants flora in Bailongjiang Watershed A STUDY ON ANATOMICAL CHARACTERISTICS OF LEAVES AND STEMS OF FIVE ALPINE PLANTS USED FOR TIBETAN MEDICINE IN QINGHAI-TIBETAN PLATEAU The Bryophytes of the King George Island, Antarctica Studies on Chemical Constituents of the Plant Fritillaria unibracteata FTIR characteristic of rapeseed straw decomposition under anaerobic and aerobic conditions Flowering phenology and fruiting characteristics of summer peanut under different planting systems Effects of continuous UV-B stress on biological characteristics of green pea aphid Distribution characteristics of nitrous oxide, methane and carbon dioxide along soil profile in typical vegetable fields Absorption of different sorghum accessions on heavy metals in polluted soil Spatial distribution regularities of farmland soil quality in subsidence areas of coal filling mining and non-filling mining Vertical infiltration characteristics of reclaimed farmland soils with Yellow River sediment fill Population biological characteristics and yield of early rice of throwing transplanting under seedling-increase and nitrogen-reduction measures Cassava nutritive characteristics of NPK and effect of fertilizer application Relationships among weed suppression effect, allelopathy and agronomic characteristics of Oryza longistaminata and related descendants Effect of low temperature stress on physiological characteristics of flag leaf and its relationship with grain yield during panicle primordium differentiation stage of early rice Variations in photosynthetic characteristics and yield of maize inpotato/maize intercropping systems Effect of wind damage on grain-filling characteristics, grain quality and yield of spring maize (Zea mays L.) Effects of straw incorporation method on double cropping rice yield and the top-three leaf characteristics Effects of continuous straw return to soil on maize growth and soil chemical and physical characteristics Studies on the Biological Characteristics of Echinochola crusgalli and its Control Methods The Characteristics of Energy in the Formative Process of Net Primary Productivity of Larch Artificial Forest Ecosystem DIFFERENT CHARACTERISTICS OF PHOTOSYNTHESIS IN STEMS AND LEAVES OF MIKANIA MICRANTH REVIEW OF ADVANCES IN ECOLOGY OF SEED MASS Evolution Dynamic Characteristics of Land Desertification in Zoige County, China Radial Variation of the Wood Carbon Storage and Physical Characteristics of the Planted Pinus koraiensis Environmental Characteristic Across a Tropical Coniferous-Broadleaved Forest Ecotone Analysis of Relevant Physiological and Biochemical Characteristics of Pinus massoniana During Cuttings Rooting Chemical Characteristics of Hydrological Processes in a Primeval Picea likiangensis var. linzhiensis Forest in Nanyigou of Tibet Soil Microbe Quantities,Microbial Carbon and Nitrogen and Fractal Characteristics under Different Vegetation Restoration Patterns in Watershed,Northwest Hunan The Resource and Community Characteristics of Vatica mangachapoi Forest in Jianfengling National Nature Reserve,Hainan Island Effect of low nocturnal temperature stress on fluorescence characteristics and active oxygen metabolism in leaves of Garcinia hanburyi seedlings grown under two levels of irradiance Crown characteristics and spatial distribution of leaves of new poplar clones Research Progress on Biological Characteristic and Applications of Laccase from Edible Fungi Comparative analysis of photosynthetic characteristics of different cotton cultivars Photosynthetic characteristics of wheat cultivars with blue or purple grain Physiological characteristics of inbred line maize seedling root under phosphorus stress Agricultural ecosystem energy flow analysis based on peasant households Effects of environment-friendly degradable films on corn growth and soil environment Studies on the physiological and biochemical characteristics of Guanximiyou pomelo plants under salt stress Response of photosynthesis and respiration to weak light in seedlings of four capsicum cultivars Analysis of the physical and chemical characteristics of Fujian tobacco-growing soils Effect of summer and autumn seasonal drought on the agronomic characteristics of southern spring maize Quantitative distribution and character analysis of Sinorchizobium fredii in Shanxi Province Meteorological environment of brew grapes in edge-desert and their response to ecological environment Effects of soil drought on root growth and physiological characteristics of winter wheat seedlings Effects of application nitrogen on photosynthesis and growth of different drought resistance winter wheat cultivars Analyses on the leaf physiological and biochemical characteristics of different sexual ginkgo plant Characteristics of the vegetation resource in the middle and lower reaches of Heihe River in China Studies on cutting propagation of Taxus chinensis var. mairei Ⅶ. Comparison of photosynthesis physiological characteristics between the seed seedlings and the cutting seedlings Characteristics of N loss and its environmental effects in the dryland of Huang-Huai-Hai plain Complex stability characteristics of humus with Hg and its environmen tal significance Comparisons of physical and chemical characteristics of peats for agricultural utilization produced by domestic and for.eign manufacturers Effect of low temperature stress on some physiological and biochemical characteristics of Chinese cabbage in field Study On heavy metal behavior characteristics of soil in citrus orchar ds of the Three Gorges Reservoir Region Models of Plant Community Characteristic Parameters and Population Dynamics in the Ecological Succession of the Man-made Sand-Fixation Grassland at Shapotou in Ningxia Basic Types of Plant Communities in Taibai Shan, the Peak of Qinling Mountains and Characteristics of Their Species Diversity COMMUNITY COMPOSITION AND STRUCTURE OF GUTIANSHAN FOREST DYNAMIC PLOT IN A MID-SUBTROPICAL EVERGREEN BROAD-LEAVED FOREST, EAST CHINA Microclimatic Characteristics of Canopy Gaps in Shorea chinensis Forest in Xishuangbanna Characteristics and Succession of the Communities of Cathaya argyrophylla, an Endangered Plant Study on the Synecological Characteristics of the Early Successional Stage of An Evergreen Broadleaved Forest on Tiantong National Forest Park, Zhejiang Province Structure and Regeneration of Davidia involucrata Communities at Wolong Region, Sichuan Province The Daily Photosynthesis Course Characteristics of Main Dominant Species of Successional Serials of Evergreen Broad-leaved Forest A Preliminary Study on the Arenaceous Adaptability of Sophora moorcroftiana Communities Structural Characteristic and Plant Distribution Pattern in Alpine kobresia Meadow, Haibei Region of Qinghai Province Research on the Restoring Succession of the Degenerated Grassland in Inner Mongolia I. Basic Characteristics and Driving Force for Restoration of the Degenerated Grassland The Gradient Variation of Photosynthetic Ecophysiology on Plateau Type Keny Rice A Study on Growth Characteristics of Young Plantations of Some Tree Species of Magnoliaceae Annual Changes of Biomass of Spartina alterniflora and the Relationships Between Biomass and Tidal Land Habits A Preliminary Analysis of the Ecological Characteristics of Five Rare Precious Species of Magnolia Plants Photosynthetic response to different irradiances of undergrowth plants in tree-herb plantation Characteristics of sink-source-flow in “II Youhang No. 1” and “II Youhang No. 2” super hybrid rice Understory vegetation community structure and diversity in low-value lichee (Litchi chinensis Sonn.) plantation in Dongguan of South China Comparative study on yield and economic benefits of rape under different planting and mulching patterns Effect of combined low temperature, poor light and salt stress on photosynthetic characteristics of pepper seedling leaf Agricultural landscape preferential model from subjective preference and spatial landscape index: A case study of the characteristics of 11 agricultural landscape partitions in Beijing Effect of straw mulching on root development and physiological characteristics of intercropped maize at seedling stage Fractal dimension of particle size distribution and its affecting factors in oasis farmland soils in southern marginal zones of Tarim Basin