Trees have defence systems, but sometimes need your help.
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As trees add weight to the branch system, they must develop support structures to prevent that weight causing damage.
The sun's energy is gathered by the leaves, which produce the nourishment for all non-energy-producing parts of the tree. Here is how it gets to them.
A tree is a complex system of many parts, driven by leaf mass, watered by the roots.
A tree has a preparatory series of activities to carry out in the spring.
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