Soil testing begins with the homeowner, gardener, and farmer. The most critical step in soil testing is soil sample collection. Soil testing can help growers make informed decisions about fertilizer ...

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.

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 ...