2010年12月アーカイブ
On Oct 24th, 2009, we saw that the
After one year later, we observed that those damaged trees have been regenerated and the leaves have been turned out healthy green. Although there were a lot of small holes in the trees made by bugs, resin was coming out from those holes, which means all Platypus quercivorus were gone away from the trees.
Since Oct 24th, 2009, I have observed and diarized their changes.
1) Please see the attached photos No. 1, 2, 3
I took a memo: "Those Quercus serrata
2) Please see the attached photo No. 10
This Quercus serrata
I thought all the 21 trees would be probably regenerated in the remote future, but one year later, they have been all regenerated. Because we put 227kg of charcoal around them. We didn't put charcoal into the soil around the most damaged Quercust serrata
We are really looking forward to waiting the result in the near future.
*1
*2 Quercus serrata
*3 Platypus quercivorus: Insect name
*4 Acid rain: elevated levels of hydrogen ions (low pH). It can have harmful effects on plants, aquatic animals, and infrastructure through the process of wet deposition.