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硅藻土杀死贮存谷物的害虫 ,是靠粘附到害虫的蜡状涂层 ,然后吸收昆虫的体液 ,使虫脱水而死。溴甲烷作为杀虫剂的日子屈指可数蒙特利尔公约已把它定为环境重大破坏的物质。美、加同意2001年禁止使用 ,除了在预装船和检疫蒸薰外。业已表明硅藻土和热处理相结合是一种有希望
Diatomite kills grain stored pests by sticking to the pest’s waxy coating and then absorbing insect body fluids to dehydrate them. The few days that methyl bromide is used as a pesticide have been set by the Montreal Convention as a material of major environmental damage. The United States and Canada agree to ban the use in 2001, except in the pre-shipment and quarantine steaming outside. It has been shown that the combination of diatomaceous earth and heat treatment is promising