PSI-3 Balance between Productivity and Environmental Impacts of Grazed and hay Fields
نویسندگان
چکیده
Abstract Animal production has been associated with environmental impacts, but meat and dairy demand continuously increases. Grazed hayfields have responsible for enteric methane emissions, also identified as great C stocks. Sustainable intensification, or balance between sustainability productivity, is sought we need to better understand the trade-offs design appropriate management strategies. This study evaluated effects of grazed pastures on carbon (C) stocks; soil GHG emissions (methane, CH4; nitrous oxide, N2O; dioxide, CO2), forage dry matter quality during four sampling periods (spring, early summer, late fall) 2021. Forage samples were cut at stubble height, monitored using static chamber methodology, collected from 0-100 cm. During growing season, presented higher lower than pastures. In addition, stocks hayfields. Hayfields CO2 in comparison pastures, suggesting slower decomposition organic matter, which could be On other hand, when considering CH4 N2O emissions. Overall, a clear trade-off two types fields observed. seem adding more over time, emitting was reduced. had greater. terms long-term ecosystems' resilience climate change mitigation, addition beneficial. an eventual market development, where credits used sold, grazing systems would advantage, again due greater even if slightly
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ژورنال
عنوان ژورنال: Journal of Animal Science
سال: 2022
ISSN: ['0021-8812', '1525-3163', '1525-3015', '1544-7847']
DOI: https://doi.org/10.1093/jas/skac247.422