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

Wildfire survivors across Los Angeles County are discovering that the most dangerous consequence from a wildfire isn’t always visible. Lead, arsenic, and other toxic metals could be hiding deep in ...

Sandy, silty, clay, or loam. Discover your soil type with a simple soil jar test and how to make the most of your soil!

Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...