Many tree problems are associated with the following:
Troubles in the Rhizosphere
Unhealthy Trees from the Nursery / Improper Planting
Look up "Tree Planting"
Improper Mulching - http://home.ccil.org/~treeman/sub3.html and
http://www.treedictionary.com/DICT2003/M/index.html Look up "Mulch"
Improper Fertilization (See A Touch of Chemistry)
John A. Keslick, Jr.
Beware of so-called tree experts who do not understand tree biology.
Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us
that we are not the boss.