Farmers can't kill plant pests without chemicals.

农民没有化学药剂就消灭不了植物害虫。

youdao

II.2 EMERGENCY PREVENTION OF TRANSBOUNDARY ANIMAL AND PLANT PESTS AND diseases.

紧急预防跨界动植物病虫害。

youdao

Farmers add fertilizer to the soil to make plants grow better, or spray poison to kill plant pests.

农民为了使作物长得更好而给土壤施化肥或者为了杀死害虫而喷撒农药。

youdao

Its Animal and Plant Health Inspection Service had long regulated the importation and interstate movement of plants and plant products that are pests, which were defined by means of an inclusive list.

FORBES: Back To The Future: Let's Reverse 25 Years Of Flawed Agbiotech Regulation

The products are often applied directly to seeds, which causes the chemical to be contained within the growing plant and protects it from the predation of insect pests.

FORBES: Bee-ing Smart: Regulators Must Distinguish Activists' Bad Dreams From Good Evidence