Street trees usually grow in appalling soils, have little space for their roots, are rarely watered and often get ...

Profit and prosper with the best of expert advice - straight to your e-mail ... A typical 7-foot-tall tree with a 3-inch trunk diameter needs up to 3 quarts of water per day.

As long as the same type of organisms appear in each generation, the trunk remains unbranched. If the Earth's evolutionary history had been this simple, the tree of life would just be a straight ...