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Researchers found more than 90 per cent of the conventionally farmed soils in their global study were thinning, and 16 per cent had lifespans of less than a century. These rapidly thinning soils were found all over the world, including countries such as Australia, China, the UK, and the USA.Associated journal article: Daniel L. Evans, John N. Quinton, Jessica A. C. Davies, Jianlin Zhao, Gerard Govers. Soil lifespans and how they can be extended by land use and management change. Environmental Research Letters, 2020; DOI: 10.1088/1748-9326/aba2fd