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Lawn #869515
Asked May 21, 2024, 6:07 PM EDT
Wright County Minnesota
Expert Response
https://web.extension.illinois.edu/askextension/thisQuestion.cfm?ThreadID=24607&catID=154&AskSiteID=34
Also a soil test, https://soiltest.cfans.umn.edu/
And lift up a yellow section to see if there are insect grubs or anything else unexpected occuring underneath the sod.
https://extension.umn.edu/news/white-grub-control-lawns