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Showing Entries with tag "Arboriculture"

The horticultural horrors commonly called “mulch volcanoes” and “tree moats” defy explanation. These abominable tree and shrub mulching practices can combine with other stress-related issues ...
Looking Up In the Canopy of a Sycamore
Just in time for the upcoming season, Ohio State University Extension's FactSheet, How and Why to Hire an Arborist, has been updated and is posted on the Ohioline website. The updates includ...
Frost Crack on Sycamore
As weather warms...and it will - the calendar says it is officially spring - people will hopefully be spending an increasing amount of time outdoors. As they are outside, they may notice som...

Several years ago, I authored two articles titled ‘Crimes against Trees.’ Safety around large trees is important. Cutting all heavy branches back to a stub may seem to make sense. But overall, the t...

This past summer, the BEHT Team inspected a tree where a pile of sawdust had accumulated around the base of the trunk.  It was carpenter ants, (Camponotus spp.) working within a compromised...
biochar photos

WHAT IS BIOCHAR?
Biochar is a type of charcoal produced from exposing organic
materials (woody or agricultural waste products) to heat of around
450-650°C in a low- or no-oxygen environment through the p...

Photo of oak felt scale on pin oak
 
 
My friend Ron Rothhaas (Arbor Doctor, LLC, Cincinnati, OH) texted a series of images last week showing a pin oak (Quercus palustris) festooned with small, white structures superficially resemb...
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