This willow is what it looked like 15 months later, in September 2012. Photos courtesy of the author. Flush cuts were still the norm when I began my arboricultural sojourn. In 1983, Dr. Alex Shigo spoke at my alma mater. [...]
Biochar being incorporated into existing soil with a pneumatic air tool. Photos courtesy of the author, unless otherwise specified. We’ve all seen them – victims of urban soil. Trees placed in cut, filled, mixed, contaminated and compacted soils, expected to [...]
To prevent the spread of oak wilt, it is recommended that severing the roots between infected and healthy trees be part of the overall management plan. Here, a trench between trees was dug 48 inches deep and 8 inches wide. [...]
Figure 1. In drop tests, the lead of the rope (True Blue in the image) was secured to a load shackle using a figure-eight loop. The load shackle also was secured to a webbing sling supporting three steel barbell plates [...]
Site setup has many factors to consider, including traffic control, drop/landing zone and debris management. This photo by TCIA’s Kathleen Costello was taken during a TCIA training session with OSHA Region 1 staff in March 2019 at Minute Man National [...]