The 200 free kits will help improve drinking water by testing for total coliform bacteria & E. coli, nitrates, lead, arsenic ...

Nearly a month after a wastewater pipe broke and spewed hundreds of millions of gallons of raw sewage into the Potomac River ...

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

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 ...

Most gardeners think soil testing only determines nutrient deficiencies, but the tests also help gardeners understand whether the soil contains adequate nutrients. Basic tests check the soil’s ...

How To Test Your Soil. Whether you're an avid gardener or just a beginner, understanding how to care for your soil is ...