We’re not about four seasons, we’re about water and drought and heat and fire.”But why do the fagus and other plants colour ...

All winter there have been balls of leaves in trees across Idaho, Washington, and Utah, and they will soon be hidden behind ...

Measurements of leaves, trees and fruits, and weighings of the fruit, led to the conclusions that heavy thinning of the fruit is of no advantage; hard pruning is unprofitable; summer pruning is ...