2012-2014
Greenhouse Solution To Avoid Film Cover U.V. and Sulphur Degradation

Greenhouse cultivation under plastic has allowed converting apparently unproductive lands in modern agriculture exploitations. Different types of plastic materials such as Poly Vinyl Chloride (PVC), Poly Carbonate (PC) and Low Density Polyethylene (LDPE) are commonly used for cladding of greenhouse structures. However, most of plastic polymer films are prone to photo-degradation when exposed to UV radiation (290400 nm) or even visible radiation (400700 nm). In hot regions in combination with agrochemicals, degradation is a bigger problem.

GREENAVOID project aims to develop an innovative integrated solution combining a new polyethylene greenhouse plastic resistant to UV degradation in the presence of burning Sulphur with an improved Sulphur vaporizer designed to minimize the amount of product reaching the cover. The project will obtain a film with 3 years guaranteed durability in the presence of burning sulphur and a radiation of 145-150 KlAngleys/year, the average radiation Greenhouses suffer in South Europe. Moreover, it will be resistant to sulphur concentration in plastic of 3500ppm, chlorine concentration of 250ppm, with High NIR (near Infrared) and UV blocking, minimum PAR transmittance 85% and 35-40% haze.

Inspiralia will develop an optimized sulphur vaporizer system that will adequately apply sulphur in the greenhouse avoiding direct spray on the plastic to protect it from sulphur degradation.

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