Earthworms tunnel into the soil, which aerates the soil and allows gases to escape and enter the ground. Plants grow better in the soil where there is space for the roots to penetrate easily.

Earthworms burrow vertically deep in the soil, creating tunnels which serve as pore space in the soil. These tunnels are especially important in soils that are compacted and lack adequate pore space.

Although you can purchase worm casting fertilizer, you are losing some of the other benefits that earthworms bring to the soil, such as improving air circulation by creating underground tunnels.

The worms help in this regard because they make tunnels that allow water, ... To see just how prevalent alien earthworm species are, the Stanford team analyzed worm records from 1891to 2021 ...

In 1881 Charles Darwin wrote: "Without the work of this humble creature, who knows nothing of the benefits he confers upon mankind, agriculture, as we know it, would be very difficult, if not ...

Earthworms are not native to Minnesota and they are damaging forests. ... When earthworms drill through, the tunnels collapse and the soil becomes compacted.