What is a propping system in arboricultural support, and when is it used instead of cabling?
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A
A system of underground concrete supports designed to prevent tree uprooting in flood-prone areas
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B
A vertical or angled support post or beam placed beneath a heavy limb to support it from below — used when cables cannot be installed above (no suitable upper anchors) or as a supplement to cabling for very heavy limbs
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C
A wire support system used to keep young trees vertical during establishment — identical to staking systems
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D
A rope system that suspends a damaged branch from neighboring trees until it can be removed