Answer :
Answer:
Alternatives to insecticides
Companion planting: planting certain types of plants will keep some pests away. “Soft” chemicals: soap, stinging nettles, and rhubarbs provide excellent alternatives to pesticides. Parasites: certain pests are often easily targeted by specific parasites.
Advantages--No residues, nontoxic to mammals, wildlife, and beneficials. Disadvantages--Can trap both pests and beneficials; some traps are expensive; must be maintained, cleaned, and recoated periodically; effectiveness varies. Advantages--Nontoxic, no residues. Allow water, air, and sunlight to pass through.