My apple harvest is at high tide. The whole neighborhood has been talking about what a great apple year this is, so I am not alone. Right now I am harvesting Liberty apples. We planted this Liberty tree in 1983. I think. We chose it because of its disease resistance. We have taken very little care of it, except for some not very expert pruning. This self-fertile tree continues to bear, and the fruit is remarkably unblemished with…