Proper soil sample preparation is key to precise data on your soil’s pH, nutrient levels, and the exact soil amendments your ...

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

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

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

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 ...

We may receive a commission on purchases made from links. If you have leggy or struggling plants, it's often a sign that you should test the soil's pH level. You can invest in professional testing; ...

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.

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 ...