Farming with crops and rocks to address global climate, food and soil security
Beerling, David J., Leake, Jonathan R., Long, Stephen P., Scholes, Julie D., Ton, Jurriaan, Nelson, Paul N., Bird, Michael, Kantzas, Euripides, Taylor, Lyla L., Sarkar, Binoy, Kelland, Mike, DeLucia, Evan, Kantola, Ilsa, Müller, Christoph, Rau, Greg H., and Hansen, James (2018) Farming with crops and rocks to address global climate, food and soil security. Nature Plants, 4. pp. 138-147.
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Abstract
The magnitude of future climate change could be moderated by immediately reducing the amount of CO2 entering the atmosphere as a result of energy generation and by adopting strategies that actively remove CO2 from it. Biogeochemical improvement of soils by adding crushed, fast-reacting silicate rocks to croplands is one such CO2-removal strategy. This approach has the potential to improve crop production, increase protection from pests and diseases, and restore soil fertility and structure. Managed croplands worldwide are already equipped for frequent rock dust additions to soils, making rapid adoption at scale feasible, and the potential benefits could generate financial incentives for widespread adoption in the agricultural sector. However, there are still obstacles to be surmounted. Audited field-scale assessments of the efficacy of CO2 capture are urgently required together with detailed environmental monitoring. A cost-effective way to meet the rock requirements for CO2 removal must be found, possibly involving the recycling of silicate waste materials. Finally, issues of public perception, trust and acceptance must also be addressed.
| Item ID: | 54692 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 2055-0278 |
| Copyright Information: | Copyright © 2018 Macmillan Publishers Limited, part of Springer Nature. All rights reserved. |
| Additional Information: | Peer-review policy: The following types of contribution to Nature Research journals are peer-reviewed: Articles, Letters, Brief Communications, Communications Arising, Technical Reports, Analysis, Resources, Reviews, Perspectives, Progress articles and Insight articles. Correspondence and all forms of published correction may also be peer-reviewed at the discretion of the editors. Other contributed articles are not usually peer-reviewed. Nevertheless, articles published in these sections, particularly if they present technical information, may be peer-reviewed at the discretion of the editors. |
| Funders: | Leverhulme Trust (LT), Environment Research Council (ERC) |
| Projects and Grants: | LT RC-2015-029, ERC Advanced Grant CDREG, 322998 |
| Date Deposited: | 15 Oct 2018 02:25 |
| FoR Codes: | 37 EARTH SCIENCES > 3702 Climate change science > 370201 Climate change processes @ 30% 37 EARTH SCIENCES > 3703 Geochemistry > 370302 Inorganic geochemistry @ 20% 41 ENVIRONMENTAL SCIENCES > 4101 Climate change impacts and adaptation > 410101 Carbon sequestration science @ 50% |
| SEO Codes: | 82 PLANT PRODUCTION AND PLANT PRIMARY PRODUCTS > 8298 Environmentally Sustainable Plant Production > 829802 Management of Greenhouse Gas Emissions from Plant Production @ 30% 96 ENVIRONMENT > 9603 Climate and Climate Change > 960302 Climate Change Mitigation Strategies @ 50% 96 ENVIRONMENT > 9609 Land and Water Management > 960904 Farmland, Arable Cropland and Permanent Cropland Land Management @ 20% |
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