农药的的英文：
insecticidal

insect hormone
昆虫激素类农药

Pesticide applied to grain
谷物喷过农药

The airplane dusted the crops with an insecticide.
飞机给农作物撒农药。

The synthetic organic pesticides gained prominence during the World War II
在第二次世界大战期间，合成有机农药受到重视。

Pesticide persistence beyond the critical period for control leads to residue problems
农药一旦超过控制的临界期，就会导致残留问题。

If a pesticide gets in the eyes, first-aid instrucuions on the label should be followed
如果农药溅入眼内，要按说明书的指导进行急救。

Particulate matter in soils and aquatic systems reacts with and influences the biological activity of pesticides.
土壤和水系统中的颗粒物质都与农药的生物活动起反应,并影响后者。

Agricultural soils are the ultimate recipient and depository of most applied foliar and soil pesticides.
喷撒于叶面和用于土壤的农药大多以农业土壤为其最终受体和贮存场所。

Some people were poisoned by pesticides.
有些人农药中毒。

Caution spraying in progress
当心农药喷洒中

Farm workers frequently come in contact with these insecticides.
农场工人常常接触这些杀虫剂。

The farmer sprayed an insecticide on the apple tree to kill worms.
农民在苹果树上喷杀虫剂以灭虫。

Will you see about getting insecticide for the cotton fields?
买棉花田杀虫剂的事你去办办好吗？

He sprayed an insecticide upon the plants to kill the insects.
他给作物喷药，以杀死害虫。

A chemical,such as a hormone,a fungicide,or an insecticide,that improves the production of crops.
农药，农用化学品用来增加作物产量的化学品，如激素、杀菌剂、杀虫剂