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

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 ...

One of the most common questions gardeners have is how to fertilize specific plants. Many plants have individual nutrient needs, but for all plants it is impossible to guess at what you need without ...

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.

Soil tests such as those conducted by the University of Delaware Soil Testing Laboratory will help you to develop and maintain more productive soil by providing more information about the fertility ...

Soil scientist Andrew Margenot holds a jar of soil gathered from Menard County, Illinois in 1948. The University of Illinois professor said he rediscovered the "church of soil" when searching an old ...

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