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procedure for the control of the environmental conditions in the vicinity of vaekster or crops by means of the release sheet,release film for use in the pursuit of procedure and beskyttelsesaggregat comprehensive film
procedure for the control of the environmental conditions in the vicinity of vaekster or crops by means of the release sheet,release film for use in the pursuit of procedure and beskyttelsesaggregat comprehensive film
A method for controlling the environmental conditions in the proximity of vegetation or crops in the cultivation of plants is described in which use is made of protective sheets comprising a large number of microperforations having each a protruded rim, said microperforations having a diameter between 50 and 2000 mu m and being present in a density of between 25 and 40000 microperforations per cm2. The invention also relates to plastics sheeting for use in said method and to a protective device for use in a greenhouse provided with such sheeting.
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