Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/18928
Title: Printed paper waste as an alternative growing medium component to produce Brassica seedlings under nursery conditions
Authors: Chrysargyris, Antonios 
Xylia, Panayiota 
Akinci, Gorkem 
Moustakas, Konstantinos 
Tzortzakis, Nikos G. 
Major Field of Science: Agricultural Sciences
Field Category: Agriculture Forestry and Fisheries
Keywords: Printed paper waste;Peat;Brassica oleracea;Antioxidant activity;Enzymes;Recycling;Sustainable agriculture
Issue Date: Aug-2020
Source: Sustainability, 2020, vol. 12, no. 15, articl. no. 5992
Volume: 12
Issue: 15
Journal: Sustainability 
Abstract: Significant quantities of paper waste (PW) have been accumulated in recent years and the reuse/recycling of PW is required due to environmental concerns. In the present study, printed PW was used as a peat (P) substitute in growing medium for the Brassica seedlings production, considering recycling, sustainable agriculture, and partly peat replacement. Seeds of cauliflower, broccoli, and cabbage were seeded in growing media made of 0-10-30-50% PW. The addition of PW improved the growing media pH and mineral content, reduced the media aeration, and affected seed emergence. The PW decreased plant growth and the effects were more pronounced at 50% PW. The PW ≥ 30% decreased stomatal conductance, while chlorophyll fluorescence and content of chlorophylls decreased with high PW ratio, negatively affecting the plant physiology. The PW decreased plant sodium and iron and increased potassium, calcium, magnesium, and copper content. The PW increased antioxidant activity to a certain degree for cauliflower and cabbage and resulted in no change for broccoli, while polyphenols increased in cabbage seedlings. The addition of PW did not cause cellular damage as both lipid peroxidation and hydrogen peroxide production remained at low levels, maintaining low levels on the antioxidant enzymes (catalase, superoxide dismutase, peroxidase) metabolism. The present study shows that low PW content can partially replace peat for Brassica seedling production under a sustainable agriculture and environmentally friendly scheme.
URI: https://hdl.handle.net/20.500.14279/18928
ISSN: 20711050
DOI: 10.3390/su12155992
Rights: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license
Attribution-NonCommercial-NoDerivatives 4.0 International
Type: Article
Affiliation : Cyprus University of Technology 
Dokuz Eylül University 
National Technical University Of Athens 
Publication Type: Peer Reviewed
Appears in Collections:Άρθρα/Articles

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