Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...

September 2, 2021, the Environmental Protection Agency (EPA), in collaboration with the Department of Defense (DOD), released the first EPA-validated laboratory analytical method to test for per- and ...

The University of Delaware (UD) has rated soils in terms of the likelihood of profitable responses to additions of phosphorus (P) and potassium (K) from fertilizers, manures, and other soil amendments ...

Richard Haney left his Iowa family farm and received his doctorate in soil chemistry in 2001, when he was 42 years old. “I know it’s corny,” says Haney, now a soil scientist in Temple, Texas, with the ...