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 ...

Soils are home to more than 25 percent of the earth's total biodiversity, supporting life on land and water, nutrient cycling and retention, food production, pollution remediation and climate ...

Soil pollution refers to the dangerously high concentrations of contaminants in soil. While contaminants such as metals, inorganic ions, salts, and organic compounds naturally occur in soils, these ...

USC's CLEAN program is offering free soil testing for residents in Boyle Heights and East Los Angeles.

It’s right under our feet. We barely notice as we go about our lives, yet it is nothing less than the largest carbon repository among all of Earth’s ecosystems. This distinction is awarded neither to ...

Farmers, gardeners, and landscapers in Guam are invited to learn the importance and procedures of soil testing at an upcoming ...