Multi-scenarios analysis for wetlands ecosystem conservation based on connectivity: a case study on HuangHuaiHai Region, China Representative Test for Primary Core Collection of Summer Sowing Soybeans in Huanghuai Region of China Ecophysiological responses and hyperspectral characteristics of winter wheat (Triticum aestivum) under drought stress Occurrence of frost temperature in Huanghuai wheat production zone after winter wheat elongation Research on the earagriculture mode of~ nl‘ce low dissipation in Huanghuaihai Plain Evaluation of the germination characteristics and drought resistance of green manure crops under PEG stress A Discussion on the Eco-agricultural Ways for Comprehensive Agricultural Development in Huanghuaihai Plain Climatic potential productivity of winter wheat and summer maize in Huanghuaihai Plain in 2011-2050. Population characteristics of super-high-yielding wheat under rice stubble in Huanghuai area Ecophysiological characteristics of flag leaf of winter wheat in HuangHuaiHai Plain Effects of straw incorporation and N fertilization on soil respiration during maize (Zea mays L.) growth in Huanghuaihai Plain Endangered resources and origin changes of Pinellia ternate in Huanghuai plain Assessment of the yield loss of winter wheat caused by dry-hot wind in Huanghuaihai Plain based on the hazard index of dry-hot wind Preliminary Report on Cultivation Technique of Ural Licorice (Glycyrrhiza uralensis) in Plain Huanghuaihai Semiarid Zone Effect of nitrogen amendment and straw-stubble input on accumulation of soil organic matter in typical farmlands of Huang-Huai-Hai Plain Systematic conservation pattern for the wetland biodiversity in HuangHuaiHai Region, China