Many tree problems are associated with the following:
Troubles in the Rhizosphere
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Trees from the Nursery / Improper Planting
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and Look up "Tree Planting"
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Mulching -
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and
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Look up "Mulch"Improper Pruning
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Fertilization (See A Touch of Chemistry)
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John A. Keslick, Jr. Arborist
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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.