About the science, production, and health benefits of apples.

Description of apples and other fruit trees in an orchard in Switzerland.

Fact sheet on commercial cultivation with a focus on Australia.

Extension and research for the commercial tree fruit grower in Vermont and beyond.

Article from Virginia Tech's Department of Horticulture on the practice of removing part of the crop before it matures on the tree. History, factors affecting thinning, and chemicals used.

Gives tips on how and when to apply t pesticide treatments to certain fruit trees. By the Ohio State University Extension Department.