Is there anything I should do to help fix a split on my tree trunk?
It sounds as though your tree has a frost crack. Frost cracks develop from the expansion and contraction of bark and wood during wide temperature fluctuations in winter. A weakened section of the bark splits open from the stress. The sudden break is often accompanied by a loud noise like a gunshot. Cracks usually close up during the growing season, but they may remain partially open. If a large split fails to close, consult an arborist to install a rod or bolt to hold it together.
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