So the cones are there to alert careful drivers, but did you know they serve another purpose/ They also stop drivers who run over them. When I had to be an expert flagger I could have told you how many cones, collected under a speeding car, would slow it from 60 mph to a stop. Its like ten. If I were super-techy, I would have a link here, right? But I want you to use your imagination, gentle reader, and maybe wiki it.
Anyhow, cars have effects on trees just as cones have effects on cars. Ever notice those roadside trees with a quarter seemingly sliced out of the bottom? Before I pruned, I thought those were branches broken out of trees. They are not. They are where the tree has reacted to the wind's force, over time, and grown around the stocking of wind that accompanies fast vehicles (If you are patient with analogies, we will have some fun. In this one,the vehicle is the foot). The movement of wind, or shaking, or slight touching of a tree on a daily basis causes distinct and predictable reactions in growth. I knew a nurseryman who would pat his plants on the head each day to slow their upward growth.
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