甘肃省张掖市九龙江国营林场于5月7日至11日使用安二型飞机喷撒3%666粉剂,在二万五千余亩的林地上消灭了沙枣尺蠖(Apocherma Sp)虫害,收效良好。这是甘肃省首次使用飞机大面积防治森林虫害。张掖市这一片生长在流沙地带的沙枣林,不仅对于固定流沙,保证农田丰收起着重大的作用,而且是该市重要的沙枣种源基地。沙枣尺蠖是该片沙枣林的 Jiulongjiang State Forest Farm in Zhangye City, Gansu Province, used 3% 666 powder from An-2 aircraft from May 7 to 11 to eliminate Apocherma Sp pests in more than 25,000 mu of woodland, Good effect. This is the first time that Gansu Province has used large-scale aircraft to control forest pests. Zhangye City, which grows in the quicksand zone of jujube forest, not only for the fixed quicksand, farmland harvest to play a significant role, but also the city’s jujube provenance base. Di jujube 蠖 is the film of jujube forest