“The CSA model is probably the deepest commitment a customer can have with a farm, but it’s also very difficult to run well,” said Dawn Thilmany, a professor of agricultural economics at Colorado State University. “It’s just a richer relationship. And any time there’s a richer relationship in any form, but mostly in business, it’s going to mean you have to do a lot of planning to make sure you can honor all of your promises.”

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