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New Data of Angiosperm in Northeast China A Review of Leafy Spurge, Euphorbia esula (Euphorbiaceae), the Most Aggressive Invasive Alien in North America The Invasive Plants of North America—A Primary Analysis A Preliminary Study on Yield and Quality of Rice and Their Relationship with Panicle Characters in Northeast Region Impacts of Changes in Both Climate and Its Variability on Food Produc-tion in Northeast China Adaptability of APSIM Maize Model in Northeast China Response of Grain Yield to Plant Density and Nitrogen Application Rate for Maize Hybrids Released from Different Eras in Heilongjiang Province Response of Nitrogen Use Efficiency to Plant Density and Nitrogen Application Rate for Maize Hybrids from Different Eras in Heilongjiang Province Path Analysis between Yield of Spring Maize and Meteorological Factors at Different Sowing Times in North China Low Plain Effect of Indica-Japonica Hybridization on Grain Quality of Rice Cultivars in Northeast China Water Utilization and Matter Production in Winter Wheat under Soil-Coated Ultrathin Plastic-Film Mulching and Irrigation Management  SPECIES-CLIMATE RELATIONSHIPS OF 10 DESERT PLANT SPECIES AND THEIR ESTIMATED POTENTIAL DISTRIBUTION RANGE IN THE ARID LANDS OF NORTHWESTERN CHINA SUMMER DISTRIBUTION OF PICOPHYTOPLANKTON IN THE NORTH YELLOW SEA Maize growth and its responses to heat condition in Northeast China. Stoichiometric characteristics of leaf carbon, nitrogen, and phosphorus of 102 dominant species in forest ecosystems along the North-South Transect of East China. Forest carbon rates at different scales in Northeast China forest area. Spatiotemporal dynamics of land cover in northern Tibetan Plateau with responses to climate change. Photosynthetic mechanisms of northern boundary formation of Quercus wutaishanica forest in Loess Plateau of northern Shaanxi Province. Vegetation net primary productivity in Northeast China in 2000-2008: Simulation and seasonal change. Effects of parent rock and land use pattern on soil fertility |in Karst region of Northwest Guangxi. Dynamics change of Betula ermanii population related to shrub and grass on treeline of northern slope of Changbai Mountains Surface pollen research of Nanshan region, Shihezi City in Xinjiang Complete Nucleotide Sequence and Biological Characteristics of a New Alfalfa mosaic virus Isolate Infecting Trifolium repens A Preliminary Study of Herbaceous Vegetation Succession on the Abandoned Farmland at Water Catchment Region of Central Route for South-to-North Water Diversion Project Localization Analysis of ABI3 Homologous Gene in Peanut Study on the Flora of Wulingyuan Nature Reserve Seed Plant,Hunan Province REVIEW OF STUDIES ON SECONDARY FORESTS IN NORTH SUBTROPICS,CHINA Establishment of Site Index Table for Quercus variabilis Natural Secondary Forest in North China