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

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

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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.

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 ...