Pittsburgh, Pa., USA: Earthworms, the hardworking invertebrates that grace the upper layers of soil, have long been considered helpful in our home gardens. Earthworms are prolific munchers, grinding ...

Digging pits for quantitative soil sampling is labor-intensive and destructive, and as a result, few pits can be excavated in a given study. The use of rotary cores for soil sampling could improve ...

Earthworms improve the soil by aerating it, breaking down organic matter and mineralizing nutrients. Now, researchers have dug up another possible role: reducing the number and relative abundance of ...

An international research team from Spain, China, and Australia reports that earthworms, by breaking down organic matter and mineralizing nutrients in soil, may also be reducing the number and ...