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Biomethane Yield from Different European Phragmites Australis Genotypes, Compared with Other Herbaceous Wetland Species Grown at Different Fertilization Regimes
Department of Biology, Aarhus University, Aarhus, Denmark.ORCID iD: 0000-0003-3065-6038
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0003-4297-8683
Institute of Botany and Landscape Ecology, Partner in the Greifswald Mire Center, University of Greifswald, Greifswald, Germany.ORCID iD: 0000-0002-7150-6266
Department of Biology, Aarhus University, Aarhus, Denmark & Biocenter Klein Flottbek, Hamburg University, Hamburg, Germany.ORCID iD: 0000-0002-0120-4385
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2020 (English)In: Resources, ISSN 2079-9276, Vol. 9, no 5, article id 57Article in journal (Refereed) Published
Abstract [en]

Phragmites australis, Typha latifolia, T. angustifolia and Arundo donax are tall wetland graminoids with the potential to replace fossil fuels under sustainable cultivation conditions. We investigated the biomethane (CH4) production of these four species, including four different genotypes of P. australis, which represent the high intraspecific diversity of European reed. All plants were grown under three different macronutrient supplies (no nutrients added, an equivalent of 75 kg N ha−1 year−1 added and an equivalent of 500 kg N ha−1 year−1 added). Biomethane production was measured in four independent batch digestion tests. Across all experiments, fertilization regime had little effect on CH4 yield, which was on average 222 ± 31 L kg−1 volatile solids (VS). The lowest yield was produced by T. angustifolia (140 L kgVS−1) receiving no nutrients, while the highest yield was produced by A. donax (305 L kgVS−1) in the highest nutrient treatment. The intraspecific diversity of P. australis did not affect biomethane production. All P. australis genotypes produced on average 226 ± 19 L CH4 kgVS−1, which, although high, was still lower than conventional biogas species. The biomass production of P. australis was less increased by fertilization than that of Typha sp. and A. donax, but all species had similar biomass without fertilization.

Place, publisher, year, edition, pages
Basel: MDPI, 2020. Vol. 9, no 5, article id 57
Keywords [en]
Arundo donax, biogas, paludiculture, pretreatment, sustainable agriculture Typha angustifolia, Typha latifolia
National Category
Bioenergy
Identifiers
URN: urn:nbn:se:hh:diva-42055DOI: 10.3390/resources9050057OAI: oai:DiVA.org:hh-42055DiVA, id: diva2:1430521
Part of project
CINDERELLA, Swedish Research Council Formas
Funder
Swedish Research Council Formas, 155-2014-1745
Note

This article belongs to the Special Issue Sustainable and Innovative Utilization of Common Reed (Phragmites Australis) in the Bioeconomy.'

Other funders: FACCE-JPI ERA-NET Plus on Climate Smart Agriculture (project CINDERELLA), the Carlsberg Foundation, grant number CF15-0330, the German Federal Minister of Education and Research under Project Number 031A545.

Available from: 2020-05-15 Created: 2020-05-15 Last updated: 2020-05-18Bibliographically approved

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Ehde, Per MagnusWeisner, Stefan

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