Effects of Subsoiling-Seeding on Root Physiological Indices, Water-Saving and Yield-Increasing Behaviors in Summer Maize (Zea mays L.) in Haihe Lowland Plain Responses of the Stomatal Traits and Gas Exchange of Maize Leaves to Climate Warming Simulation of Winter Wheat Yield in Response to Irrigation Level at Critical Growing Stages in the Huang-Huai-Hai Plain Responses of Photosynthetic Characteristics of Winter Wheat Cultivars Released in Different Decades to Water Deficit in North China Plain Endangered resources and origin changes of Pinellia ternate in Huanghuai plain THE CYTOLOGICAL ANALYSES AND STUDIES OF GEOGRAPHIC DISTRIBUTION IN SOLANUM NIGRUM COMPLEX OF CHINA Studies on Botanical Origin of Commercial Samples of Traditional Chinese Drug Xixin (Herba Asari) The Selaginella tamanscina (Beauv.) Spring Complex Treatment for Experimental Diabetes and Its Effect on Blood Rheology New Records of Orchids from Hainan, China (Ⅱ) Plants Adapt to LongTerm Potassium Deficiency by Accumulation of Membrane Lipids in Leaves and Maintenance of Lipid Composition in Roots Determining the effects of climate on winter wheat yield in Northern China via yield gap analysis-A case study of Luancheng County, Hebei Province Inversion of Forest Leaf Area Index Calculated from Multi-source and Multi-angle Remote Sensing Data An Early Warning System to Predict Waterlogging Injuries for Winter Wheat in the Yangtze- Huai Plain (WWWS)