In December, the UCLA Fielding School of Public Health joined other agencies in testing soil in and around Altadena. The team ...

For months, federal officials have said post-cleanup soil testing for fire-stricken homes in L.A. was unnecessary. Now, they ...

Learn why soil pH is the most important soil test value and how it affects nutrient availability and lime requirements.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Colleen Hagerty Colleen Hagerty is a writer focused on emergency preparedness.

To grow good plants, you need good soil. The only way to tell what your soil really needs is to take a soil test. Applying too much fertilizer could be detrimental to your plants. You could waste ...

Your soil is most depleted after a full season of crop demand, making fall ideal for testing. In milder western regions, soil ...

Ash rained down and smoke blanketed Los Angeles during the 2025 wildfires, leaving behind a toxic legacy in soil and homes.

By John Cannon With a synchronized tap from run-of-the-mill hammers on metal plates resting on the ground, researchers ...

Elappully: Artificial Intelligence has made its entry into soil testing in agricultural fields, with an AI-powered device ...