加拿大帝国商业银行还作为世界范围内防治害虫的生物制剂进出口的交换所。
CIBC also serves as a clearing-house for the export and import of biological agents for pest control world-wide.
开普罗介绍说，驳船上的用水只有普通田地的十分之一，也没有农业径流，使用生物天敌防治像瓢虫这样的温室蔬菜害虫而不是化学农药。
The barge used one-tenth as much water as a comparable field farm. There was no agricultural run-off, and chemical pesticides were replaced with natural predators such as ladybirds.
他说合作者正在尝试改良液体的生物碱成粉末状便于用在害虫防治上。
He says collaborators are trying to reformulate the liquid chemical into a powder form that might be more useful in pest control.
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