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Printed Paper Waste as an Alternative Growing Medium Component to Produce Brassica Seedlings under Nursery Conditions

Author

Listed:
  • Antonios Chrysargyris

    (Department of Agricultural Sciences, Biotechnology and Food Science, Cyprus University of Technology, Limassol 3603, Cyprus)

  • Panayiota Xylia

    (Department of Agricultural Sciences, Biotechnology and Food Science, Cyprus University of Technology, Limassol 3603, Cyprus)

  • Gorkem Akinci

    (Department of Environmental Engineering, Dokuz Eylul University, 35280 Izmir, Turkey)

  • Konstantinos Moustakas

    (School of Chemical Engineering, National Technical University of Athens, 15780 Athens, Greece)

  • Nikolaos Tzortzakis

    (Department of Agricultural Sciences, Biotechnology and Food Science, Cyprus University of Technology, Limassol 3603, Cyprus)

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.

Suggested Citation

  • Antonios Chrysargyris & Panayiota Xylia & Gorkem Akinci & Konstantinos Moustakas & Nikolaos Tzortzakis, 2020. "Printed Paper Waste as an Alternative Growing Medium Component to Produce Brassica Seedlings under Nursery Conditions," Sustainability, MDPI, vol. 12(15), pages 1-19, July.
  • Handle: RePEc:gam:jsusta:v:12:y:2020:i:15:p:5992-:d:389778
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    Citations

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    Cited by:

    1. Rahma Inès Zoghlami & Wael Toukabri & Khaoula Boudabbous & Sarra Hechmi & Meriem Barbouchi & Houda Oueriemmi & Mohammed Moussa & Haithem Bahri, 2023. "Assessment of Earthworm Viability and Soil Health after Two Years of Raw and Composted De-Inking Paper Sludge Amendment," Agriculture, MDPI, vol. 13(3), pages 1-10, February.
    2. Antonios Chrysargyris & Savvas Charalambous & Panayiota Xylia & Vassilis Litskas & Menelaos Stavrinides & Nikos Tzortzakis, 2020. "Assessing the Biostimulant Effects of a Novel Plant-Based Formulation on Tomato Crop," Sustainability, MDPI, vol. 12(20), pages 1-15, October.

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