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  1. SouthSoundTree-

    Killing grass in the CRZ for mulching

    What do you mean, at 4 meters? I've seen cherries in parking lot islands surrounded by asphalt here that are as big as in the picture. These are the worst trees, and oldest. The bulk, lining the roadway, are only 6-12" dbh, much younger than these pictured. I was thinking about suggesting...
  2. SouthSoundTree-

    Killing grass in the CRZ for mulching

    Yes, I think it will do that just fine, but how anearobic does it make things in the meantime? That's my concern. Some landscape fabric is visibly porous, some is more like cotton t-shirt weave tightness. Certainly not air tight. I'd rather have visibly porous landscape fabric covering my...
  3. SouthSoundTree-

    Killing grass in the CRZ for mulching

    The root zones are already compacted, which will be part of the restoration. I am concerned about the air flow. I would think newspaper will make it most anaerobic. I've transplanted moss from tree at a jobsite to a tree at home, and into a rain garden-ish garden bed. 6-8" thick from old...
  4. SouthSoundTree-

    Killing grass in the CRZ for mulching

    You'd think that someone would know better, even if they are totally unaware of trees any more than a 5th grader. This last one had 3 big roots (~10" diameter) notched or cut through right at the root crown. They might have just dug the roots out entirely when they installed the...
  5. SouthSoundTree-

    Killing grass in the CRZ for mulching

    Thanks!! I didn't know that they make biodegradable fabric. Normally, i suggest cardboard to home owners. This is for hundreds of trees, largely in two rows of flowering cherries, down a roadway, and huge areas under big firs. Buying it, and rolling it out would be less work and no root damage...
  6. SouthSoundTree-

    Killing grass in the CRZ for mulching

    I have a lot of trees that are suffering on a project from lawn in the root zone, and mower damage, particularly. I want them to mulch over the grass and planed-off roots. What is the best ways you've found for killing grass under existing trees. I've used cardboard and mulch. Seems like...
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