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分类：社会
集数：2集
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简介：蝗灾就成了大患，对于内蒙古二连浩特市的居民是一种灾难。人们最早喷洒农药治蝗，结果环境遭到破坏，生物链遭到破坏，于是专家选择生物杀虫的办法，经过筛选，专家们找到了灭蝗的土鸡品种，展开了一场灭蝗大战。收起
灭蝗之战（上）[走近科学] 20110720
灭蝗之战（下）[走近科学] 20110721
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