Using Pesticides

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Lawn & Garden Best Management Practices

Pesticides

Weed and insect killers can be valuable tools. They must be used according to label directions, with concern for the safety of people, animals and the environment. Here are suggestions from the University of Nebraska Cooperative Extension:

Weed Killers

The best defense against weeds is a thick, well-managed turf. Before trying chemicals, try to correct a weed problem through management:

  • Mowing
  • Watering
  • Fertilizing
  • Controlling disease or insects
Weed Control Strategy

Here are some steps in developing a weed control strategy:

  • Properly identify the weed.
  • Take a plant sample to your local county extension office or lawn and garden center.
  • Learn about the weed’s life cycle to know when to apply a chemical.
  • Remember: Different turf grasses vary in their tolerance to weed killers. The wrong chemical could injure your lawn.

Insect Killers

First, identify the pest and determine whether it will cause enough damage to justify using chemicals. If you do, take the following precautions:

  • Minimize chemical exposure to your body through skin absorption or inhalation.
  • Spot treat if possible.
  • Avoid applying when it is too hot, rain is forecast within 24 hours, or winds are faster than 10 mph. (Neb guide G1773- Between 3-10 Mph- recommended 8 mph)
  • Store chemicals in their original containers, locked away from food, children and pets.
  • Mix only the amount you will use at one time.
  • Triple rinse empty containers before disposal.

Additional Information

For more details or information, contact the Cooperative Extension or your local lawn and garden center.

Online Resources

More Lawn & Garden Best Management Practices

Developed for the Dutch Flats Groundwater Quality Project. The project is partially funded by a Section 319 Clean Water Grant from the U.S. Environmental Protection Agency through the Nebraska Department of Environmental Quality.