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Black Soil Protection And Utilization Based On Harmonization Of Mountain-River-Forest-Farmland-Lake-Grassland-Sandy Land Ecosystems And Strategic Construction Of Ecological Barrier, Jiabao Zhang, Bo Sun, Jiaojun Zhu, Jingkuan Wang, Xicai Pan, Tian Gao

Bulletin of Chinese Academy of Sciences (Chinese Version)

The black soil in northeast China presents a trend of thinning, hardening, impoverishment, and acidification under the longterm high-intensity utilization, and faces the water resources shortage and ecological environment imbalance. Thus, the coordination between soil and water resources and environment has become the bottleneck of sustainable agricultural development in northeast China. The black soil protection and utilization is not only a problem of cultivated land system itself, but also a problem of harmonization of mountain-river-forest-farmland-lake-grassland-sandy land ecosystem. To achieve the goal of sustainable use of the black soil, it is necessary to give full play to the function of soil …