The 2020/2021 Mid-Atlantic Commercial Vegetable Production Recommendations have been posted online at: https://www.udel.edu/academics/colleges/canr/cooperative-extension/sustainable-production/commercial-crops/vegetable-crops/midatlantic-vegetable-recommendations/
The online pdf version is free.
Print copies may be purchased at all three county Extension offices. Print copies cost $20 for members of the Fruit and Vegetable Growers Association of Delaware and $25 for non-members.