There was an article in the New York Times, yesterday I think, about a fellow who helped pick apples in Turkey. He mentioned an worldwide organization that a particular Turkish organization was affiliated with -
http://www.wwoof.org/
The article is "Under the Apple Trees in a Turkish Orchard", part of their frugal traveler series by Matt Gross. I won't give the link because it shows my name, but you can probably find it through googling the New York Times.