• Based on the natural properties in forest pest disasters, the evaluation system of the (economic) losses of forest pest disasters was explored.

    文章从森林病虫害灾害自然属性出发森林病虫害灾害经济损失评估指标体系的建立进行探索。

    youdao

  • Forest disasters mainly contain human cutting disasters, fire disasters, pest and rodent disaster, the lack of water disasters. This article focuses on forestry "three evils" and prevention.

    森林灾害主要有:人为砍伐树木的灾害、火险灾害、病虫鼠害灾害缺乏水资源的灾害等等。本文主要阐述了林业及其防治。

    youdao

  • Forest disasters mainly contain human cutting disasters, fire disasters, pest and rodent disaster, the lack of water disasters. This article focuses on forestry "three evils" and prevention.

    森林灾害主要有:人为砍伐树木的灾害、火险灾害、病虫鼠害灾害缺乏水资源的灾害等等。本文主要阐述了林业及其防治。

    youdao

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