IPM overview Environmental Affairs Site Map Integrated Pest Management Lawns in the U.S. occupy more land than any single crop, including wheat and corn. Homeowners use 10 times more chemical pesticides per acre than farmers do. Mechanical controls eliminate pests by physically removing them.
Biological controls use other organisms to eliminate problem pests.
Applying ladybugs to plats infested with aphids is a biological control. Chemical controls include pesticides. Pesticides are potentially hazardous and should be used with extreme care. The City of Boulder manages nearly 30,000 acres of land in the Boulder Valley, along with numerous buildings and facilities. Every year, action is required in some areas to control noxious weeds and insect and animal pest populations.