North Carolina Department of Agriculture, Division of Marketing Horticulture Site
North Carolina State University Leaflets 32,32a and 32b
North Carolina State University Greenhouse Food Production
OzNet Cucumber and tomato production information
Cornell University Hydroponic lettuce production
Michigan State University Greenhouse Alert Newsletter
Colorado University Greenhouse General Information
Oklahoma State University Greenhouse tomatoes
NCDA&CS Markets Division, Tom Slade, Director Mailing Address: 1020 Mail Service Center, Raleigh NC 27699-1020 Physical Address: 2 W. Edenton Street, Room 402, Raleigh NC 27601 Phone: (919) 733-7887; FAX: (919) 733-0999