The Polytunnel Book

The Polytunnel Book

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Last Upload: 04, April 2019

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a polytunnel also known as a polyhouse hoop greenhouse or hoophouse grow tunnel or high tunnel is a tunnel typically made from steel and covered in polythene usually semi circular square or elongated in shapethe interior heats up because incoming solar radiation from the sun warms plants soil and other things inside the building faster than heat can escape the structure