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Author Topic: NZ Pine trees  (Read 836 times)

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Offline Ianab

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NZ Pine trees
« on: October 29, 2017, 02:39:49 am »
Thought some of you might like to see how pines grow here in NZ. I don't usually saw it, but a friend wanted one to "go away", and I want to rebuild a wall in my workshop, and some pine will work great for that.

Not a pretty tree as it's open grown and unpruned, but hey it's free.


And had plenty of room to drop it into an open paddock.


The stump for scale.


Almost a metre across.


And almost an inch between growth rings.


The outer rings got a bit hard to count as they were indistinct and seemed to have false rings, but I'm going with 25-28 years old.
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Offline ljohnsaw

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Re: NZ Pine trees
« Reply #1 on: October 29, 2017, 02:55:25 am »
That's some pretty fast growth! :o
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Offline Riwaka

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Re: NZ Pine trees
« Reply #2 on: October 29, 2017, 06:30:38 am »
How big was the safety document you had to write before the tree was felled? I was given a safety document that went to 70 pages (pdf) this year for chopping a few trees down.
Radiata pine genome is 8 times bigger than the human one.
https://www.scionresearch.com/about-us/news-and-events/news/2017/radiata-pine-genome-draft-assembly-completed
I think the NZ timber people? prefer the forest pines that are slower radially growing than the farm trees in places?
http://www.nzffa.org.nz/nzffa-member-blogs/denis-hockings-blog/radiata-pine-wood-quality/  (their more detailed articles around)

Even back in the day, some NZ forests would use hand slashers (similar to US- brush hooks) to cut back  the top central  leader off the young radiata pine trees to slow down their growth.



Offline thecfarm

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Re: NZ Pine trees
« Reply #3 on: October 29, 2017, 06:56:07 am »
I had some big white pines,but the growth rings was not that wide.  :o  I had to count to about 70-90 to get a tree that size.
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Offline mike_belben

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Re: NZ Pine trees
« Reply #4 on: October 29, 2017, 09:02:10 am »
I dont think we have anything in america that grows that fast, except maybe kudzu!

Online teakwood

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Re: NZ Pine trees
« Reply #5 on: October 29, 2017, 09:04:17 am »
Wow :o that is some serious growth!

that is alot faster than teak, 1m at 28years! Had no idea that in your climate the trees grow that fast.  isn't it pretty cold in NZ for such a fast growth?

Offline Ianab

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Re: NZ Pine trees
« Reply #6 on: October 29, 2017, 02:35:42 pm »
Climate here is "Temperate Rainforest". Winter has frosts and sometimes a little snow, but apart from that maybe a 10 month growing season. Lots of rain of course. Not everýthing grows that fast though. Most of the native trees grow pretty slow. A Rimu might be 200 years to get that big.
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Offline Ianab

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Re: NZ Pine trees
« Reply #7 on: November 01, 2017, 02:01:57 am »
Got back to the mill today for a while, bucked most of the log into shorter sections (the height of the wall I'm building + some trim). I'm also scaling and keeping notes on all the logs. This is the 4th log up the tree and ~19" on the small end. International scale says 122 bd ft. Quick count of the boards came to 121 bd/ft of 6x1 and 2x1, plus a pile of stickers. So pretty much spot on there.



A few knots as you would expect, but good wall panelling.

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Offline nativewolf

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Re: NZ Pine trees
« Reply #8 on: November 01, 2017, 07:40:29 am »
Really enjoy the posts from NZ.  My forestry profs did a lot of work in NZ on Radiata pine so I knew they were fast growers, do they still emply Maori to prune them?  Saw videos of that from the 1988? when they were doing a tour, hand pruning logs, it was amazing plantation growth.

Offline Ianab

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Re: NZ Pine trees
« Reply #9 on: November 01, 2017, 02:24:33 pm »
Yeah they are still pruned by hand if you want high value logs. Pruned logs sell for a LOT more than unpruned because they saw out a much higher % of high value clear wood. A lot of Maori and Pacific Island guys work on the crews.
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Offline KWood255

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Re: NZ Pine trees
« Reply #10 on: November 10, 2017, 12:30:23 am »
That tree is very impressive. Here in Northwesten Ontario (Canada) our biggest tree is a white spruce. I have many on my land that I cannot wrap my arms around. They are well in excess of 100 years old.

Offline Ianab

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Re: NZ Pine trees
« Reply #11 on: November 10, 2017, 02:49:40 am »
Give a local pine tree 100 years and you end up with something like this.  :D

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Offline nativewolf

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Re: NZ Pine trees
« Reply #12 on: November 10, 2017, 07:02:26 am »
Yeah they are still pruned by hand if you want high value logs. Pruned logs sell for a LOT more than unpruned because they saw out a much higher % of high value clear wood. A lot of Maori and Pacific Island guys work on the crews.

Interesting and glad to hear that's still going on.  Our school, NC State, was famous for forestry genetics and that was a big part of the tour I am sure.  The one prof, Dr. Zobel, sort of pioneered advanced forest tree improvement.