Biodegradable twines in horticulture: Greenhouse test tomato - contact with dealers and composters

Research output: Book/ReportReportProfessional

Abstract

Lenzing produces Lyocell twine from wood residuals from renewable certified forests in Europe. In a semicommercial greenhouse experiment there was no breakage of the twine in 162 plants with heavy trusses. This biodegradable twine keeps its strength in a moist greenhouse and can support a weight of up to 18 kg when the load is slowly increased. In this experiment, the weight of the plant stems with 9 trusses of fruit actually hanging on the twine was maximal 6.5 kg. The biodegradability is apparent as twines resting in free water disintegrate within 4-6 weeks in a greenhouse situation. Discolouration of the twines does not affect the strength as twines in a 10 month crop had a similar breaking strength as new twines. The use of biodegradable twines during the composting process creates a great improvement in the processing and quality of the compost. There is increasing interest in the use of plastic free materials both from an economic and environmental standpoint.
Original languageEnglish
Place of PublicationBleiswijk
Number of pages18
DOIs
Publication statusPublished - 2020

Publication series

NameReport / Stichting Wageningen Research, Wageningen Plant Research, Business Unit Greenhouse Horticulture
No.WPR-979

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