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Abstract
Six treatments including straw biochar and its blends with organic waste (a mixture of anaerobically digested model kitchen waste, stillage and its enhancement with the fish waste digestate, both solid and liquid fractions) were tested via greenhouse experiment using fast-growing and pollution-resilient Miscanthus × giganteus. The four months long tests under spring/summer conditions in northern Poland with six fertiliser loads were conducted. When only biochar was applied, the Miscanthus growth showed the maximum at 5 % v/v dose, however inhibition was noticed at 15–40 % v/v dose. Organic waste additions to biochars helped to maintain stable growth (up to 150 cm of height after 120 days) for wider range of doses. In general, treatments with organic digestates made plants less vulnerable to nutrient shortages in the soil. Calculated cumulative fresh matter yields were in ranges 11.4–59.9 Mg ha−1 after 30 days, 27.4–68.49 Mg ha−1 after 60 days, 31.4–79.9 Mg ha−1 after 90 days and 28.5–91.3 Mg ha−1 after 120 days of growth. All plants represented moderate stress as none of them reached the photochemical efficiency associated with optimal growth (0.79–0.84). The stress trends followed the plant's height trend. Total nitrogen retained in soil was up to 1.7 g N kg−1 soil. The results presented can serve as recommendations for further power plants/biorefineries concepts when tackling various streams of waste with different moisture contents.
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Authors (7)
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Ksawery Kuligowski dr inż.
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Jacek Kluska
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Izabela Konkol
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Adam Cenian
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
no. 215,
ISSN: 1364-0321 - Language:
- English
- Publication year:
- 2025
- Bibliographic description:
- Kuligowski K., Strycharz J., Nawrot N., Kluska J., Konkol I., Wojciechowska E., Cenian A.: Recycling organic waste to biochar amended soils stabilizes Miscanthus x giganteus growth// RENEWABLE & SUSTAINABLE ENERGY REVIEWS -, (2025), s.115581-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.rser.2025.115581
- Sources of funding:
-
- IDUB
- Verified by:
- Gdańsk University of Technology
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