Old 07-11-2014, 07:35 PM
fiber_tek's Avatar
fiber_tek fiber_tek is offline
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Join Date: Apr 2004
Location: Helena, Montana
Posts: 38
Alkali stripes from commercial mower

I picked up a new customer that has poor soil, but the lawn is actually in decent shape, a little thin, and it doesn't get very tall but looks nice. My problem is that we mowed it with an Exmark Navigator, which weighs 1140 pounds without an operator and it left white stripes in the lawn where the driver tires contacted the ground. Is this going to kill the lawn in these striped areas? I have never seen this before. This is alkali I believe because around the fences where the grass and weeds have been killed so we don't have to string trim as much has a white powder in the dirt.
Ford F-250 Super Duty,
Meyer 7.5' Commercial Plow W/Wings
7x14 Landscape Trailer
Exmark Navigator
Toro Walk Behinds
Echo Trimmers
Husqvarna Blowers
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Old 07-11-2014, 08:54 PM
RigglePLC's Avatar
RigglePLC RigglePLC is online now
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Join Date: Jul 2006
Location: Grand Rapids MI
Posts: 10,970
We need pictures!
However I suspect "Heat Tracks".

Rather mysterious as to cause--but --essentially it results from mowing or even walking on the grass when it is under heat and drought stress--wilted in other words. It does not happen every time. Not due to excess weight. Unpredictable. New green grass blades will appear in about 2 weeks. No permanent damage.
It can happen from homeowner model push mowers also.
Other guys here have some even better pictures. Not pretty at all.

Last edited by RigglePLC; 07-11-2014 at 08:59 PM. Reason: link
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