Very dry conditions, like those seen in most of Arkansas this fall, impact two aspects of soil sampling that make it hard to measure how much phosphorus and potassium are in a field. Arkansas ...

When a rainstorm finally comes after long periods of drought, you celebrate that your plants' roots finally have moisture. Dig down an inch or so, and the soil is still bone dry. How can that be, and ...

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 ...