Nevada producers face unique risks from extreme temperatures and short growing seasons; most fresh vegetables are imported, creating a pressing need for season extension technologies such as high tunnels. A 2024 Extension needs assessment identified gaps in growers’ understanding of high tunnel risk mitigating technology and management, including a lack of knowledge and skills in irrigation, soil management, crop rotation, pest control, and that generally, novices often do not know where to start. The Nevada High Tunnel Project (NHTP) combined classroom instruction with on-farm demonstrations to build capacity and reduce financial, environmental, and production risks. The NHTP workshop brought together 35 in-person and 18 online participants for presentations by two federal-agency experts, Extension educators, and two local growers. This was followed by on-farm, hands-on demonstrations at two working high tunnel farms. Post-workshop evaluations indicated an increase in participant know-how in eleven topics, with notable improvement in grant acquisition, high tunnel maintenance, and soil and crop rotation management. Over 90% were satisfied with all workshop components, and over 80% intend to apply or continue with risk-reducing practices discussed, including irrigation scheduling, soil management, integrated pest management, and post-harvest practices, etc. Attendees appreciated the value of hands-on farm tours and participant-led discussions in an inclusive, real-world context. This presentation will show how pairing needs-driven instruction with experiential learning empowers producers to adopt risk management strategies like high tunnels, the outreach methods used to gain high participation with positive outcomes, our lessons learned, and recommendations. This model is adaptable for educators from other regions.

 
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Waaswa, A, and Burr, K. 2026, Meeting Community Needs: High-Tunnel Risk Management Strategies for Nevada Growers, 2026 Extension Risk Management Education National Conference

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Also of Interest:

 
Image of a high tunnel under snow conditions
How to Manage and Protect Your High Tunnel During Winter Conditions
Managing a high tunnel in winter requires more than closing the sides and hoping for the best. This guide explains how high tunnels behave in winter and provides research-based steps to protect structures, manage temperatures, reduce humidity, and keep crops productive in Nevada ...
Waasswa, A., and Holley, R. 2025, University of Nevada, Reno, Blogs
Evaluation of Several Tomato Varieties’ Resistance to Beet Curly Top Virus Grown Under High Tunnels and in the Field
The purpose of the project was to test two hypotheses: 1) Incidence of Beet Curly Top Virus (BCTV) is reduced in organic fresh market tomatoes grown under high tunnels, and 2) The use of locally developed BCTV-resistant plants reduces the incidence of BCTV in high-tunnel and fiel...
Davison, J., and Lattin, R. 2015, University of Nevada Cooperative Extension
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Climate Modification Using High Tunnels in Western Nevada
This publication explains the use and design of high tunnels used for growing crops in Western Nevada.
Heckler, S., et al. 2020, Extension, University of Nevada, Reno
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Climate Modification Using High Tunnels in Western Nevada
Farmers in the Great Basin are investing in inexpensive low-tech greenhouses, known as high tunnels, but little is known about how high tunnels alter the climate conditions that crops experience inside of high tunnels.
Heckler, S., McAfee, S.A., Kratsch, H.A. 2020, Extension Special Publication