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 ...

When you test more than 200,000 soil samples in a year, you not only learn something about how Arkansans grow crops, gardens and lawns, but also the value of recommendations that result from soil test ...

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

The Oklahoma State University Extension Soil, Water and Forage Analytical Laboratory on the OSU campus tests more than 58,000 samples each year to protect Oklahoma’s natural resources and support ...