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.

When farmers talk about their soil test results, the conversation often starts and ends with soil pH. While that one number is important to determining whether lime is needed, that insight is just a ...

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 ...

Most lawn problems are solved by guessing. The grass looks pale, you add nitrogen. The moss comes back, you spread iron. The ...

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 ...

Anxious about the rueful state of his peas, radishes and onions, Rod Marquardt arrived at the University of Minnesota’s soil testing laboratory with two lunch bag-sized containers of dirt. “We’re just ...