美国农业部水土保持局 Soil Conservation Service
提出了以水土保持为主要目标的生态农业模式及其类型、评价指标和人工调控措施。
Certain patterns of different ecological agriculture, criteria of evaluation, and control measures Were propose for the purpose of soil conservation.
同时，还依据该区K值的分布特点讨论了它在水土保持、土壤年流失量监测、生态农业建设和防洪减灾中的应用。
Meanwhile, applications of the K value map in soil and water conservation, monitoring of soil loss, ecological agricultural construction and reducing floods were also discussed.
对元谋干热河谷区4种旱坡地生态农业模式的水土保持效益进行了系统的研究。
The paper systematically studied the benefits of soil and water conservation on 4 different models of compound eco-agriculture on dry slope land.
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