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本文通过分析土壤理化性质，探讨了退化土地和利用方式对生产力的影响，提出了生态经济型农林复合经营模式和建设途径
In this paper, by analyzing the physical and chemical properties of soil, the paper discusses the impact of degraded land and its utilization on productivity, and puts forward the eco-economic agroforestry management model and construction approach