The dirt on soil loss from the Midwest floods

As devastating images of the 2019 Midwest floods fade from view, an insidious and longer-term problem is emerging across its vast plains: The loss of topsoil that much of the nation's food supply relies on.

Studying Midwest soil erosion from space

Geologist and geochemist Isaac Larsen at the University of Massachusetts Amherst is used to tramping around in the dirt to conduct his soil research, but satellite photos of the Iowa farmhouse where he grew up have added ...

Pasture management and riparian buffers reduce erosion

Sediment is the number one pollutant in U.S. waterways. Over grazing can increase soil erosion from pastures as well as sediment loading into aquatic systems. Grazing management and buffer strips may reduce erosion, however, ...

Future climate change will affect plants and soil differently

A new European study has found that soil carbon loss is more sensitive to climate change compared to carbon taken up by plants. In drier regions, soil carbon loss decreased but in wetter regions soil carbon loss increased. ...

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