Low tunnels are made by placing plastic or fabric row covers over wire or plastic hoops and securing with clips, to lengthen the growing season for the crop and improve overall crop health and quality. Vent holes or slits allow for adequate air circulation and ventilation during warm temperatures. Low tunnels usually have a peak height of 18” to 36” from the soil surface. Sometimes called a cloche.
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Low Tunnels Resources
- Low Tunnel Basics Basic low tunnel construction information. The Pennsylvania State University.
- Low Tunnel Benefits and Types The benefits of using low tunnels and common types of covers. New Mexico State University Extension.
- Low Tunnel Ventilation Introduces the importance of monitoring temperatures in low tunnels and describes several ventilation techniques. University of Kentucky Extension.
- Season Extension Techniques Season extension can enable year-round crop production as well as higher-quality produce. This publication describes season extension techniques and provides sources for equipment, supplies, and further information. ATTRA.
- Season Extension Tools and Techniques Summary of various season extension techniques including plasticulture plus many links for further research. University of Kentucky Extension.
- Season Extension. Advantages and disadvantages of using plasticulture to extend the crop growing season. North Carolina State University Extension.