Question

what does the term \control\ mean in the context of pesticides?
to completely eliminate pests and weeds within agriculture
to keep pests numbers small rather than eradicating them
to observe and notate the pests behavior for future reference
to totally wipe out all pests that could harm any crops

Explanation:

In pest management using pesticides, the goal is often to keep pest populations at levels that do not cause significant damage, rather than completely eradicating them as complete eradication may have negative ecological impacts and is often not practical.

Answer:

to keep pests numbers small rather than eradicating them