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Definition of Polytunnel
1. Noun. A tunnel made of polyethylene, used to grow plants that require a higher temperature and/or humidity than that which is available in the environment. ¹
¹ Source: wiktionary.com
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1. Noun. A tunnel made of polyethylene, used to grow plants that require a higher temperature and/or humidity than that which is available in the environment. ¹
¹ Source: wiktionary.com