Mulch
Q.

Would 35 year old hardwood sawdust be beneficial to garden ground?

Zone Guysborough, Nova scotia | Glennstanley added on May 7, 2019 | Answered

Would adding in the hardwood sawdust raise the nitrogen, or potash.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on May 8, 2019

To use the wood as a soil amendment, the wood should be completely composted, with a dark, crumbly and uniform texture with no recognizable pieces of wood or other materials. Fresh wood mulch ties up nitrogen as it starts to decompose, although it will eventually become a source of nitrogen itself, so it should be aged before applying it around shallow-rooted, young plants.

https://www.gardeningknowhow.com/garden-how-to/mulch/wood-chip-mulch-information.htm

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