Fortified 'high tunnel' growing structures withstand 'bomb cyclone' winds

phys.org | 3/22/2019 | Staff
kshama-s (Posted by) Level 3
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Lessons learned in construction of protected agriculture systems, or high tunnels, kept Texas A&M AgriLife Research tunnels near Amarillo securely in place during the recent "bomb cyclone" that reached recorded wind gusts of 80-90 mph.

Dr. Charlie Rush, AgriLife Research plant pathologist in Amarillo, has spent the past four years building high tunnels and researching their use in growing vegetables at the Bushland research station.

Number - Setbacks - Crew - Steps - Structures

After a number of early setbacks, he and his crew developed some steps to fortify the structures to withstand the high winds that often occur in the Texas Panhandle.

The methods they developed have been captured in an educational fact sheet and a series of "walk-and-talk" construction videos available at tinyurl.com/HighPlainsVegetableProgram.

Tunnels - Hoop - Houses - Structures - Season

High tunnels, often referred to as hoop houses, are plastic covered, passively heated, walk-in, semi-permanent structures. They not only provide season extension, but also offer growers more control over extreme environmental conditions.

"It's important that if the vegetable industry is going to grow up here, and we are going to use high tunnels, we have to figure out how to keep them from blowing away," Rush said.

High-water - Requirements - Yields - Ogallala - Aquifer

He explained the high-water requirements for maximum yields and the declining Ogallala Aquifer water table limit the sustainability of traditional crop production in the High Plains.

"That's why we began working with producers who are considering the feasibility of producing alternate crops, such as high-value vegetables, that could be produced on less acreage with less...
(Excerpt) Read more at: phys.org
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