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Sapwood in Bark Fines?

Posted by shazaam 7B (My Page) on
Mon, Feb 28, 11 at 20:07

I've been happily using Al's 5-1-1 mix for a couple of years now, but, despite quite a bit of searching, there's one question that I haven't seen asked or answered: will a small percentage of sapwood in bark fines pose a significant problem to N availability in the final mix? It seems inevitable that some sapwood will end up in fines, but the most recent yard I purchased has a bit more than I'm used to seeing (definitely single digits...probably something on the order of 5%).

Follow-Up Postings:

RE: Sapwood in Bark Fines?

If I remember correctly, Al told me at one time, no more than 10% by volume. But cant say for sure.

I'm sure he'll be along soon and correct me if i'm wrong. ;-)

I know it can be annoying. I just made a small batch of gritty mix, and am picking out some of the sapwood as I read some posts. LOL!

It's cold and windy out, so bring it in. ;-)

Here's a picture of mine. He had said, I could get by with it, but it wasn't ideal. This tree was only in this mix a few weeks till I could move it too gritty mix and better pot. So I didn't worry about it too much, if it would have been longer, I would not have used it.



RE: Sapwood in Bark Fines?

  • Posted by tapla z5b-6a mid-MI (My Page) on
    Mon, Feb 28, 11 at 23:44

What JJ said. ;o)


RE: Sapwood in Bark Fines?

Thanks Al~
Good to know my memory isn't totally shot. LOL!


RE: Sapwood in Bark Fines?

Thanks to both of you for the quick responses!

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