Soil erosion is widely known for degrading land and reducing agricultural productivity. But new research shows it may also play a far more complex and important role in regulating the global nitrogen ...
The Earth's land surface is dominated by sloping landscapes. Every year, soil erosion laterally distributes on the order of 75 Gt of topsoil (Berhe et al. 2007). The coupled biogeochemical cycles of ...
Jo Handelsman, Obama’s former science advisor, explains why more farms are experiencing erosion, and how it reduces crop yields. The following is an excerpt from A World Without Soil: The Past, ...
If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. Farmer El Haj Abdeslam and his three helpers spent years ...
With soils rich for cultivation, most land in the Midwestern United States has been converted from tallgrass prairie to agricultural fields. Less than 0.1 percent of the original prairie remains. This ...
If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. Soil erosion, the most common type of land degradation, ...
An ear of corn sits on topsoil in Nebraska, part of the nation’s Corn Belt. Scientists estimate the region has lost about 35 percent of its topsoil. Andrew Burton / Getty Images Seth Watkins has been ...
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