This underground greenhouse is cheap but effective. It's a great way for growers to produce food year-round in colder climates. Greenhouses are usually glazed structures, but are expensive to construct and heat throughout the winter.
A more affordable alternative to glass greenhouses is the walipini also known as an underground or pit greenhouse. Click below for greenhouse plans and a video:
Related:
A more affordable alternative to glass greenhouses is the walipini also known as an underground or pit greenhouse. Click below for greenhouse plans and a video:
Related:
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Technology