So my technician that has been with us for over a year had an incident surface this week. A customer was fertilized 4 weeks ago and is now says we burned a section of the lawn. He said there was a pile of fertilizer by his hose he noticed a couple days after our treatment. He just now brought it to our attention. My concern is the length he waited to report it. The fertilizer spill is at the top of the slope. There is no fertilizer in the middle or the bottom. Another concern is how straight the lines are between the burned and green lawn. I would expect a pile of fertilizer to have a more alluvial effect and a general fade into the grass. There is also broomsedge that looks spot treated around green Bermuda. There is also Bermuda in the mulch two inches away from the fertilizer pile. I think glyphosate or something was applied by the homeowner or someone else. Maybe someone was filling up a backpack sprayer of glyphosate and it over filled. I think the spot treatment demonstrates something else was involved beside fertilizer. Such straight lines make me skeptical if it was fertilizer only in a pile at the top of the slope. What do y’all think.