The old Bray-1 method required multiple samples to provide a full nutrient picture of the sample, slowing the process and increasing the cost. In contrast, the new method, called Mehlich-3, requires ...

This is an affordable, simple first step toward a lawn you'll be proud of.

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.

A testing strategy that helped fight HIV could offer the United States a window into the severity of the coronavirus outbreak. The White House Coronavirus Task Force is considering sample pooling, ...

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 ...