Wildfire survivors across Los Angeles County are discovering that the most dangerous consequence from a wildfire isn’t always visible. Lead, arsenic, and other toxic metals could be hiding deep in ...

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.

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. A group of environmental researchers ...

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 ...

Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...

Soil color could replace expensive chemical tests, helping farmers monitor fertility and carbon faster and more safely.