FIELD: agriculture.
SUBSTANCE: method involves strengthening the material using filler, which is in form of hydrogel - cross-linked copolymer of acrylamide and potassium salt of acrylic acid. Portions of the filler are placed in water-soluble containers inside a cavity, made from the covering material and filled with water.
EFFECT: method reduces heat loss, costs and labour input in building a greenhouse, and also provides for repeated use of covering material.
5 dwg
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Authors
Dates
2009-09-20—Published
2007-08-01—Filed