Question

DESPERATE!! WILL GIVE BARINLIST AND THANKS

Answer 1

Answer:

it grabs unto soil and keeps it clamped together it prevents this makes the soil harder to wash away

Answer 2

Answer:

When the leftovers are left in the autumn, they have two purposes:

- Preventing erosion; the roots remain in the ground, so they hold it tightly till the next planting of the crops.

- Fertilizing the soil with natural material; the roots will not rot quickly in the colder period of the year, but will start rotting much faster in the spring, thus they will enrich the soil.