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1988年7—8月,林业部森林植物检疫防治所组织有关技术人员赴大兴安岭图强林业局,对火烧木采取陆地场帐幕熏蒸的方法,按贮木场现有的堆垛大小进行了灭虫处理。最小堆垛为40立方米,最大堆垛750立方米,总计22堆垛,7000立方米。熏蒸药剂有硫酰氟、溴甲烷和磷化铝三种。每立方米分别选用20克、
From July to August 1988, the technical staff from the Forest Plant Quarantine and Control Office of the Ministry of Forestry went to Tuqiang Forestry Bureau in Daxinganling to take a fumigation treatment on the fire-burning wood in the field yard, and carried out the pest control according to the existing stack size of the timber yard deal with. The smallest stack is 40 cubic meters, the largest stack 750 cubic meters, a total of 22 stacks, 7000 cubic meters. Fumigation agents are sulfuryl fluoride, methyl bromide and three kinds of aluminum phosphide. Selected for each cubic meter 20 grams,