When European-American settlers first began ploughing in Iowa, they found the weather and local geology had combined this organic mulch with sand and silt to form a nutrient-rich type of soil ...

The United Nations named 2015 the International Year of Soils in an attempt to raise awareness of the soil crisis, which they say has degraded 33 percent of the world's soil. With the world's ...

A worm burrows its way through the dark earth, ingesting particles of soil and expelling nutrient-rich casts in a constant forage for food. Charles Darwin described earthworms as one of the most ...

FEMA and the U.S. Army Corps of Engineers have confirmed they will instead rely on removing a 6-inch layer of topsoil.

For the best experience, please enable JavaScript in your browser settings. Soil health. Farmers should stop looking as soil as dirt. It is biodiversity. [FILE] The ...