Why are my hardly used blades doing this? Pics inside.

[Randy G.]

Originally Posted by C Jovingo Landscaping

Randy ignore my post abt every 2-3 days, cuz just realized you mow 2 acres. A LCO may run mower for 7.5hrs in a 10hr day & would need new set every 2 days. But WOW...15hrs!
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The type of soil around here is called Sapelo Soil. Its a sandy soil. You can read about it here: https://soilseries.sc.egov.usda.gov/.../S/SAPELO.html

[Florida Gardener]

Originally Posted by Richard Martin

The soil in the Raleigh area is mostly clay. It is the top soil there. Crabgrass, Bermuda and Bahia are about the only grasses you can get to grow there. Very little sand.

People use CG as a turf there? I've heard in Jamaica I believe it's used as a turf.
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[Richard Martin]

Originally Posted by diamondlandscaping

People use CG as a turf there? I've heard in Jamaica I believe it's used as a turf.

Crabgrass isn't an ugly grass like goose or Bahia. It just sucks to cut. I don't think anybody plants CG. There are plenty of people that aren't willing to do anything about it when it's in their lawn.

[TNGrassCutter]

Originally Posted by Richard Martin

Crabgrass isn't an ugly grass like goose or Bahia. It just sucks to cut. I don't think anybody plants CG. There are plenty of people that aren't willing to do anything about it when it's in their lawn.

Shoot I've got a couple places with crabgrass so thick and smooth it looks like a sod farm.
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[Ijustwantausername]

Originally Posted by 44DCNF

Southern plants have a much higher silica content within their cells. It gives plants strength to withstand the tougher elements of the south.

If you aren't lifting sand from the soil, you are still abrading away at the blades because of the tougher plant material's higher silica content.

Clay soils may have less of what you would call sand, but it has a higher content of finely ground minerals (from what were once stone/sand), the silt. which is still highly abrasive. Silt erosion is encountered in hydraulic turbines.

Interesting post! Thanks for that. I believe it too, it seems like Bahia, Dallis, and crabgrass, are such a pain to mow. I'll tell ya though, that velocity plus deck will roll right along in all of it, blades look like someone chopped a building down with them afterwards though.