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Effects of variable weather conditions on baled proportion of varied amounts of harvestable cereal straw, based on simulations
Independent Researcher, Sweden.
RISE Research Institutes of Sweden, Bioeconomy and Health, Agriculture and Food.ORCID iD: 0009-0006-2669-2959
RISE Research Institutes of Sweden, Bioeconomy and Health, Agriculture and Food.ORCID iD: 0000-0001-5087-5241
RISE Research Institutes of Sweden, Bioeconomy and Health, Agriculture and Food.
2021 (English)In: Sustainability, E-ISSN 2071-1050, Vol. 13, no 16, article id 9449Article in journal (Refereed) Published
Abstract [en]

All harvestable cereal straw cannot be collected every year in regions where wet periods are probable during the baling season, so some Swedish studies have used 'recovery coefficients’ to estimate potential harvestable amounts. Current Swedish recovery coefficients were first formu-lated by researchers in the early 1990s, after discussions with crop advisors, but there are no recent Swedish publications on available baling times and recovery proportions. Therefore, this study evaluated baling operations over a series of years for representative virtual farms and machine systems in four Swedish regions, to determine the available time for baling, baled straw ratio and annual variation in both. The hourly grain moisture content of pre-harvested cereals and swathed straw was estimated using moisture models and real weather data for 22/23 years, and the results were used as input to a model for simulating harvesting and baling operations. Expected available baling time during August and September was estimated to be 39–49%, depending on region, with large annual variation (standard deviation 22%). The average baling coefficient was estimated to be 80– 86%, with 1400 t·year−1 harvestable straw and 15 t·h−1 baling capacity, and the annual variation was also considerable (s.d. 20%). © 2021 by the authors. 

Place, publisher, year, edition, pages
MDPI AG , 2021. Vol. 13, no 16, article id 9449
Keywords [en]
Baling coefficient, Baling proportion, Baling time, Bioenergy, Biofuels, Cereal straw, Recovered, Renewable, Simulation, Sustainability, Sweden, Weather
National Category
Renewable Bioenergy Research
Identifiers
URN: urn:nbn:se:ri:diva-56695DOI: 10.3390/su13169449Scopus ID: 2-s2.0-85113703824OAI: oai:DiVA.org:ri-56695DiVA, id: diva2:1604026
Note

 Funding details: Energimyndigheten, 45910-1; Funding text 1: Funding: This research was funded by the Swedish Energy Agency, project grant number 45910-1 “Residues from cereal production for the Swedish biobased industry”.

Available from: 2021-10-18 Created: 2021-10-18 Last updated: 2023-11-22Bibliographically approved

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Gunnarsson, CarinaJonsson, Nils

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