After initially resisting calls, federal regulators will test the soil at 100 properties in the Eaton Fire burn scar.

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

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Before applying fertilizer or any other soil amendment, it's a good idea to see what the soil already contains. That way you ...

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

Discover why you should test your soil in January, with insights from a garden expert. Get ahead of the growing season by ...

Representative soil sample testing done in a Los Angeles County Public Health study found a higher percentage of samples with lead levels above health-based screening thresholds taken from parcels ...

Testing for toxic chemicals and heavy metals is available in Los Angeles County from philanthropic groups, researchers, and ...

Now that we have experienced the first frost of the season, and the growing season for most garden and home landscape plants has come to an end, we as gardeners tend to start thinking about things we ...

To inform those living within and around the Palisades and Eaton Fire zones – a Los Angeles-based organization is leading the effort to sample the soil at more than a thousand properties. The ...

Anxious about the rueful state of his peas, radishes and onions, Rod Marquardt arrived at the University of Minnesota’s soil testing laboratory with two lunch bag-sized containers of dirt. “We’re just ...