The American Vineyard Foundation
Science, Agriculture, Horticulture, Viticulture - The American Vineyard Foundation. Nonprofit supporting research in viticulture and wine making.
http://www.avf.org/
Central Coast Vineyard Team
Science, Agriculture, Horticulture, Viticulture - Central Coast Vineyard Team. Promotes environmentally and economically sustainable vineyard practices on the Central California Coast.
http://www.vineyardteam.org/
American Society for Enology and Viticulture
Science, Agriculture, Horticulture, Viticulture - American Society of Enology and Viticulture. Information on the society, research and online copies of the society's journal.
https://www.asev.org/
Greenhouse Vegetable Information start page
Science, Agriculture, Horticulture, Vegetables - Greenhouse Vegetable Information. Articles and forums on crop management, disease control, nutrient film technique, and media systems like soilless culture.
https://www.ghvi.co.nz/