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 ...

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.

Regularly testing your soil is more important than you might think for helping your plants thrive. Soil tests measure soil pH and nutrient content. The soil of established gardens should be tested ...

Farmers Edge Labs is pushing big on lab testing for soil and tissue sampling, especially with the changing weather patterns.

AWPA Standard, E10, Standard Method of Testing Wood Preservatives by Laboratory Soil-Block Cultures. Also, ASTM D1413 and WDMA TM-1. The soil block decay test is a highly standardized means for ...