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

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.

Why is a Los Angeles-based foundation funding soil testing of 1,200 homes for toxic substances such as lead and arsenic in the Palisades and Altadena fire zones? Because federal agencies overseeing ...

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 ...

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