而旱地的这一比例则更高，原因是政策不当和畜牧业管理不足，导致荒漠化蔓延。

This figure is even higher in the drylands where inappropriate policies and inadequate livestock management contribute to advancing desertification.

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畜牧业可以多种方式对风险管理作出贡献。

Livestock can contribute to risk management in many ways.

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动物废弃物管理与畜牧业清洁生产技术。

Animal waste management and clean production technology in animal husbandry.

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