Question

why pesticides and insecticides are sprayed on the crops in the field​

Answer 1

Answer:

Farmers spray to mitigate crop damage caused by pests. A pest is any biological organism, including weeds, pathogens, and arthropods, that interferes with the production of crops affecting quality and/or yield. ... Pesticides work in many different ways by affecting their target, whether it be a weed, pest, or disease.

Answer 2

Answer:

these are spread because the insects which harms crops is killed by these