High tunnels, also called hoophouses, are non-permanent structures that are heated by solar radiation and ventilated through side vents or top vents and often use drip irrigation systems. Comprehensive information on this growing technique provided below:

• High Tunnels and Other Season Extension Techniques: A collection of practical resources for increasing availability of growing beyond traditional outdoor seasons.
• Iowa High Tunnel Fruit and Vegetable Production Manual: Provide growers with the information and resources to use high tunnels effectively, enhance productivity and net income, and learn from the experience of other high tunnel users. 2010 Publication # 2098.
• Production and Economics of High Tunnel Vegetables and Strawberries: Publication by Lewis W. Jett, Vegetable and Small Fruit Crops Specialist - West Virginia University Extension Service
• Tomato Disease Management in Greenhouses: Purdue Extension Publication BP-197-W
• Fungicide Mobility for Nursery, Greenhouse, and Landscape Professionals: Describes fungicide mobility, or movement, after it is applied to a plant. Janna Beckerman, Purdue University.
• Fungicide Rotations for Nursery, Greenhouse, and Landscape Professionals: Publication examines how fungicides are classified and recommends management practices to prevent fungi from developing resistance to these products. Janna Beckerman,Purdue University.
• High Tunnel Maintenance
• Hoop Houses for Extending Your Growing Season: ATTRA Webinar presented by NCAT specialists Tammy Hinman and Andy Pressman. Topics include the uses and benefits of hoop houses, including increases in crop quality and yields; different types of hoop houses; construction, materials and cost estimates; management of crops, soil fertility, pests and weeds; and the economics and marketing of crops.
• Siting High Tunnels: A high tunnel is not, by definition, a permanent structure. Nonetheless, site selection will play an important role in its performance. Considerations in siting a high tunnel include orientation, airflow, shading, windbreaks, drainage, soil quality, weeds and other pests, and purpose. eOrganic publication. Oregon State University
• Why extend the season with high tunnels?: Information from James Theuri, Small Farms Educator - University of Illinois Extension