China Plant Growth Awl for Investigating Tree Growth, Find details about China Plant Growth Awl, Plant Awl from Plant Growth Awl for Investigating Tree Growth
Adopt international advanced technology standards,use high quality alloy steel,still intact after more than200 experiments.
Usage
In the 1.3 meters of the tree,horizontally spin the growth awl to the trunk center, when reach the center,make a reverse rotation,and get wood core within core extractor.Tree growth condition can be analysed by watching wood core color
distribution.
Wood core extractor: d=5mm