What do glaciers and the Sahara Desert have in common? Both are sources of silt-size particles that interact with wind, sand, and vegetation to form loess deposits. Deflation, the lifting and ...

Gardeners love loam soil because it's moist, soft and full of nutrients. Here's how to get more of it in your garden beds.

Soils are composed of a mixture of sand, silt, clay and organic matter. Both the clay and organic matter particles have a net negative charge. Thus, these negatively-charged soil particles will ...