山区水土流失治理程度达到70%以上，风沙危害区沙荒地治理率达到100%。
Moreover, over 70% of the soil erosion in the mountainous area and 100% of sandy bare land should be controlled.
研究结果表明：影响沙荒风口造林成功最主要是每年秋冬季的大风、飞沙和干旱三大因子；
The results showed that the three factors(gale, blow sand and drought) affect the success of forestation on sandy wasteland at wind gap district;
研究结果表明：影响沙荒风口造林成功最主要是每年秋冬季的大风、飞沙和干旱三大因子；
The results showed that the three factors(gale, blow sand and drought) affect the success of forestation on sandy wasteland at wind gap district;
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