I am lost as to your plan. If this is a formal course than you need to tailor the lectures and labs to the course overview, learning outcomes and assessment methods. Root collar excavation is a waste of time if a learning out come is that the student will know the 50 most common diseases and...
Oh all the idiots bring it out of me. I am sick and tired of so called arborist spouting opinions as facts. In this case maybe it has something to do with growing up with a former linesman down the street that had hooks rather than hands.
Generally tree workers die from falling and struck-by...
This thread is once again a reminder to get your training from experts, not hearsay (maybe heresy) over the internet. Anybody that is even thinking of tree work should take electrical hazard and awareness training.
If you don't have the training, DON"T DO IT. This is not the place to ask a basic question that is covered by Work Safe NB. Check with your local authorities.
Climbing gear and bucket trucks are not going to save you if you do not know what you are doing. Hazard and risk assessment before...
I am absolutely stunned the answers here. First nobody can work near energized conductors without adequate training, knowledge and gear. It is clear to me that Fireman33 does not have this. If you are asking the question you need to take training.
Second it does not matter what we do in our...
I do not think anything Xylariaceae or otherwise is the culprit. Columnar Oak is generally Quercus robur "fastigata" and I think the shedding looks normal.
I also have no literature to point to. I was wondering if somebody such as George Nakashima ever wrote anything?
I remember in the early 1990s (?) there was quite a few articles on rigging and forces but I cannot remember if there was anything about crotches and "wet" wood. There has been at...