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Also question is, are wood chips good to use as mulch?
If you garden, you may often hear that arborist wood chips should not be used as mulch, which actually is not supported by studies. Wood chips are one of the best mulches for trees and shrubs, but may not be the best for annuals and vegetables, according to Dr. Linda Chalker-Scott from Washington State University.
Regarding this, how do you make wood chips out of mulch?
Part 2 Making Mulch Combinations
- Chop up tree branches, bark, and trimmings. Wood also makes great mulch, and you can make wood or bark mulch from organic matter from around the yard.
- Collect grass clippings to add to the mulch.
- Rake up pine needles for your mulch.
- Repurpose shredded paper.
First, as others have said, do NOT use it as fill. It WILL decompose and get smaller. You'll end up with a big dip in the ground after a year or so. Also (depending on how deep you bury the chips with dirt), they get very soft when they decompose.