【摘要】 在蝗虫危害严重的草地上放牧90日龄鸡群,试验结果表明,在60d的防治期,牧鸡防治面积757hm2,平均灭效96.5%,投入产出比1:3.2,为今后应用该生物技术防治草原蝗虫提供了依据。更多还原

【Abstract】 The trial in serious damage grassland by locusts was carried out by 90days herding chickens,the result showed that control area reached to 757ha during 60days,average control effect reached to 96.5%,proportion of input and output was 1:3.2.It’s base to apply this biologic technique to control locusts in the future.更多还原