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High-clay soils may be hidden carbon sink

Deep soils may play prominent role in mitigating climate change and compensating for some of agriculture's greenhouse gas emissions.

Research on grasslands in Ireland, supervised by professor Gary Lanigan with Teagasc — the Irish Agriculture & Food Development Authority — and professors Rachel Creamer and Rogier Schulte with Wageningen University & Research has revealed that soils with high clay content in deeper layers lock away carbon for much longer and at a much greater depth than previously known.

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