ORCID Profile
0000-0003-3985-257X
Current Organisation
Washington State University
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Publisher: Proceedings of the National Academy of Sciences
Date: 23-06-2022
Publisher: American Association for the Advancement of Science (AAAS)
Date: 25-06-2010
Abstract: Perennial grains hold promise, especially for marginal landscapes or with limited resources where annual versions struggle.
Publisher: Elsevier BV
Date: 05-2016
Publisher: Oxford University Press (OUP)
Date: 21-03-2018
Publisher: Proceedings of the National Academy of Sciences
Date: 06-07-2022
Publisher: Proceedings of the National Academy of Sciences
Date: 10-02-2022
Abstract: Soil organic carbon (C) responses to agricultural management are highly uncertain, hindering our ability to assess the C sequestration potential of croplands and develop sound policies to mitigate climate change while enhancing other ecosystem services. Combining experimental evidence from a long-term field experiment and a meta-analysis of published literature, we show that the accrual of mineral-associated soil C in intensively managed Mollisols was only achieved by managing ruminant grazing on perennial grasslands. Although modifying dominant grain-based systems with reduced tillage, ersified rotations, and legumes and manure additions improve soil health metrics—which is critical to soil, nutrient, and water conservation—they are unlikely to enhance persistent forms of soil C in Mollisols to help drawdown atmospheric C and stabilize climate.
No related grants have been discovered for Steve Culman.