但由于存在着物种选择、模式配置和林分结构不合理，导致大多数经济林水土保持效果较差。
However, the species choosing, mode disposition and the unreasonable forestry structure has resulted in the bad effect of water and soil conservation.
但由于存在着物种选择、模式配置和林分结构不合理，导致大多数经济林水土保持效果较差。
However, the species choosing, mode disposition and the unreasonable forestry structure has resulted in the bad effect of water and soil conservation.
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