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Thread: Artificially warming trees

  1. #1
    Join Date
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    Default Artificially warming trees

    I tried looking online before asking here, to no avail.

    Has anyone ever tried artificially warming the trees to get a better flow? I was thinking that you could, theoretically, put black trash bags around the roots and base of the trees to melt snow around the roots, warm the base, and warm the trunk under the spiles...

    Not sure if anyone has ever experimented with this before. This season has been such a slow start, I've been thinking of ways to jump-start it earlier next year.

  2. #2
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    Patience, maple jedi. The solar forces will be with us soon.
    60ish taps on buckets
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  3. #3
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    Sounds like someone who can't wait. The way sap flows is when the tree freezes it pulls the sap up in the tree, and "think" of it as filling the trunk, then as the trees warms it drains down and out the tap. It doesn't get pushed up from the roots to your tap(s) and out. For your idea to work, you'd need to thaw and warm the trunk above the tap hole, for several feet. I just don't see it ever working satisfactorily.
    Dave Klish about 400 taps, down from much more. Retired from collecting and boiling in 2021. Mostly because of a bad hip.
    2012 Mahindra 36 HP 4x4/ loader/cab/heat/AC:-)
    3x8 raised flue evaporator
    250 GPH converted to electric, RO by Ray Gingerich
    6.32 KW solar system, 1.48KW is battery backed up, all net metered
    website: www.cnymaple.com

  4. #4
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    Quote Originally Posted by maple flats View Post
    Sounds like someone who can't wait. The way sap flows is when the tree freezes it pulls the sap up in the tree, and "think" of it as filling the trunk, then as the trees warms it drains down and out the tap. It doesn't get pushed up from the roots to your tap(s) and out. For your idea to work, you'd need to thaw and warm the trunk above the tap hole, for several feet. I just don't see it ever working satisfactorily.
    Thank you for the explanation. Not impatient - just more curious than anything. I am going to try it with a couple of trees next year just for fun. I’ll report back with findings.

  5. #5
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    chester, ma
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    Remember the guy a couple years ago who posted here saying he was going to be visiting for a few days only, so he planned to light torches or something under his trees to make them run? He was dead serious, too. What ever became of that guy?

    GO
    2016: Homemade arch from old woodburning stove. 2 steam tray pans. 6 taps on buckets. 1.1 galls
    2017: Same homemade evaporator, but souped up. Still 2 steam tray pans. 15 taps on buckets. 4.5 galls
    2018: Same setup. Limited time. 12 taps and short season. 2.2 gallons
    2019: Still very limited time. Downsized to 7 taps and a short season. 1.8 gallons
    2020: 9 taps, new Mason 2x3 XL halfway through season, 2 gallons
    2021: 18 taps. Mason 2x3 XL, 4.5 galls

  6. #6
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    I seen him yesterday at the hardware store buying more torches.

  7. #7
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    There's an old 1970's British sitcom I like to watch called "Dad's Army." In the show Corporal Jones often comes up with kind of "out there" solutions to problems and Capt. Mainwarring responds "I think you're getting into the realms of fantasy now Jonesy." Kind of reminds me of that.

    I think you're going to find that the variables that affect sap flow go well beyond warm roots. Trying it isn't going to hurt anybody of course. I just hate to see you wasting a lot of your time...and trash bags.
    16x24 Timber Frame Sugar House
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  8. #8
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    similar to Red Green
    Fred Ahrens
    330-206-1606
    Richards Maple Products
    Ohio CDL sales rep

    dont take life too serious, nobody gets out alive anyways

  9. #9
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    Now that's a great comparison.
    If you try it, I wonder if the little micro climate you create between the black bags and the tree will get some unwanted insect damage or other harm to the tree itself.
    Dave Klish about 400 taps, down from much more. Retired from collecting and boiling in 2021. Mostly because of a bad hip.
    2012 Mahindra 36 HP 4x4/ loader/cab/heat/AC:-)
    3x8 raised flue evaporator
    250 GPH converted to electric, RO by Ray Gingerich
    6.32 KW solar system, 1.48KW is battery backed up, all net metered
    website: www.cnymaple.com

  10. #10
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    Mar 2020
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    Central Pennsylvania
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    Quote Originally Posted by maple flats View Post
    The way sap flows is when the tree freezes it pulls the sap up in the tree, and "think" of it as filling the trunk, then as the trees warms it drains down and out the tap. .
    Does the tree actually have to "freeze" to pull the sap up? I assume this is created somehow by negative pressure in trunk, but how critical/specific is it to actually reach 32 deg to pull sap up the trunk? Or is it more due to the temperature swing/differential within a 24 +/- hour period?
    2020 - 1st year - 13 black walnut taps - 4 bottles syrup
    2021 - 50 taps, 21 black walnuts/26 reds - 3 gallons syrup

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