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How to Manage Pests

The UC Guide to Healthy Lawns

How much of your lawn is affected?

Determine how much of your lawn is affected for any type of problem

  • Divide up your lawn into sections.
  • Walk diagonally across each section, counting how many steps you take.
  • With each step, check to see if your foot touches a problem area, such as a weed or a bare spot, and tally it.
  • For each section, divide the number of times you foot touched a problem area by the total number of steps you took.
  • Average the numbers from all of the sections together.
  • If more than 40% of your lawn is affected, consider a complete renovation.
  • Overseed or patch isolated problems as needed.

Click on the image for a sample calculation.

Illustration of a lawn divided into 4 sections

 


Statewide IPM Program, Agriculture and Natural Resources, University of California
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Agriculture and Natural Resources, University of California

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