In the past, there have been only a couple different kinds of apple trees that you could buy. But now, thanks to the wonders of genetic engineering, if you want to buy an apple tree you are able to choose between many different types
Great beginners article listing a few of the plants which are ideal for Companion Planting for Pear Trees - this is something that I am looking to do as I have two mature pear trees and have recently cleared brush out from underneath them.
Eau de Vie: French technique of growing a fruit in a bottle. When the pear blossoms begin to appear, slip them into a bottle, tie the bottle to the tree and the tree will produce the pear in the bottle.