# Yamadori collection "archeology technique"

**URL:** <https://forum.bonsaimirai.com/t/yamadori-collection-archeology-technique/4862>\
**Category:** Horticulture\
**Created:** [January 15, 2020, 7:44pm UTC](https://forum.bonsaimirai.com/t/yamadori-collection-archeology-technique/4862 "2020-01-15T19:44:14Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![Bonsai\_Bentley](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.bonsaimirai.com/bonsai_bentley/32/7792_2.png) [@Bonsai\_Bentley](https://forum.bonsaimirai.com/u/Bonsai_Bentley)\
**Post date:** [January 16, 2020, 12:23pm UTC](https://forum.bonsaimirai.com/t/yamadori-collection-archeology-technique/4862/9 "2020-01-16T12:23:48Z")

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Would it be easier to just grow some from seed or air layer branches?

I like what you did in your other thread. Hopefully putting pumice at the base will promote root growth. Maybe scoring the structural roots with a sharp blade will promote root node development in the pumice.

> [@Help on planning collection and design of scotch pine (pinus sylvestris)](https://forum.bonsaimirai.com/t/help-on-planning-collection-and-design-of-scotch-pine-pinus-sylvestris/4842):
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> Hi! I found this to be an awsome place to get solid input, so I will try again grinning I have found a great pinus sylvestris in a bog/swamp. It has great movement and is short and stunted, trunk of ~2.5 inches, and 20 inches or so tall. Although not as healthy as I would like. Some long and thick branches and som leggy ones. And really far reaching rootes. So now i have removed the upper surface layer over the rootball and teased out both som structural and fine feeder roots. I made a trenc…

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