Land use change and its ecological effect in Huangshan City Effects of plastic film and straw mulching on field environment and yield of maize Variability of sweet potato storage root under different ecological environments and its correlation with quality traits VARIATION IN WHEAT GRAIN QUALITY GROWN UNDER DIFFERENT CLIMATIC CONDITIONS WITH DIFFERENT SOWING DATES Coupling coordination measurement of urbanization and eco-environment system in Huaihe River Basin of China based on fuzzy matter element theory. Eco-environmental quality assessment of Luoyuan Bay, Fujian Province of East China based on biotic indices. Eco-environmental sustainability assessment of each province in China Sediments eco-environmental quality assessment in the Changjiang Estuary and its adjacent waters Spatial-temporal evolution characteristic of coordination between urbanization and eco-environment in Jilin Province, Northeast China. Review of research fields and research methods of agroecology in recent years Analysis on the deterioration of eco-environment in our country The rebuilding and resuming of SD model of the eco-environment in the agriculture and animal husbandry interlock zone along the Great Wal Circular economy in eco-agriculture construction Assessment of citrus eco-environmental quality in the Three Gorges Reservoir Region Pollution evaluation of the heavy metal elements on the eco-environment of the Sanjiang Plain based on GIS Inheritance of parthenocarpy in monoecious cucumber (Cucumis sativus L.) under different eco-environments. Study on coordinative development between urbanization and eco-environment in Guangdong Province Environment capacity of eco-tourism resort The endangered causes of Paeonia suffruticosa var. spontanea, an endemic to China Study on urban eco-environmental water requirements in the Yellow River Basin The quantitative assessment of eco-environment vulnerability in karst regions of Northwest Guangxi Study on the Eco-environmental Advantages of Forest Tourism Areas Discussion on Water Resource Crisis in Lijiang River Catchment Protecting the Eco environment of Tricholoma matsutake and Improving Its Sustainable Development