Effects of Subsoiling-Seeding on Root Physiological Indices, Water-Saving and Yield-Increasing Behaviors in Summer Maize (Zea mays L.) in Haihe Lowland Plain Adaptability Evaluation of GECROS Simulateing Summer Maize Growth in the Yellow-Huaihe-Haihe Rivers A Primary Study on the Output and Input of Phosphorus in 14 Crop Fields in the Haihe River Basin, North China Primary estimate of ecological water requirement in Haihe Basin Study on the ecological water demands for typical estuaries in Haihe River Basin Study on the indicators for assessment of agro-ecoenvironmental quality in saline region of Lower Haihe Plain A STUDY ON N OUTPUT IN CROP-SOIL SYSTEM IN HAIHE BASIN Huang Yinxiao Lin Shunhua Evaluation of the forest ecosystem services in Haihe River Basin, China STUDIES ON THE CONTENT FEATURE OF SULPHUR IN PLANTS IN HAIHE RIVER BASIN CHARACTERISTICS OF NITROGEN AND CARBON CONTENTS IN PIANTS AND SOILS IN THE HAIHE RIVER BASIN Improvement of HIMS evapotranspiration module and its application in Haihe River Basin Preliminary study on magnetic susceptibility of saline soil Technologies of saline alkali soil amelioration in Huanghe-Huaihe-Haihe Plain-A case study on Pingyuan Experimental Plot in Northwest Shandong Ecosystem services valuation of the Haihe River basin wetlands Ecological function regionalization of Haihe River basin. Environmental benefit-loss analysis of agro-ecosystem in Haihe River basin, China.