The UMass Fruit Advisor has information on tree fruit, berry, and grape production for home growers and professionals supported by the UMass Extension Service.
The International Fruit Tree Association (IFTA) sponsers educational international tours to educate tree fruit growers about the most advanced production techniques.
New England USA is a good guide to other attractions in the area, make it a weekend trip!
Mike Biltonen, a New York fruit grower, has an interesting blog, Organic Schmorganic, on his views of organic fruit production, definitely worth the read if you are confused about the differences between organic and IPM fruit production.
