A portion of the biomass should be retained onsite to support the soil resource.

If this is the case, you should contact your local authority to try to identify nearby land reclamation or brownfield development sites lacking soil resources.

Erosion controls have appeared since medieval times when farmers realized the importance of contour farming to protect soil resources.

World reference base for soil resources.

Agriculture that tries to produce its product at the maximum yield will strip soil resources until the land is void and unable to produce.

In 1998 this system was replaced by the World Reference Base for Soil Resources.

World Reference Base for soil resources: introduction.

World Reference Base for soil resources: atlas.

The World Reference Base for Soil Resources lists 40 diagnostic horizons.

It is one of the 30 major soil groups of the World Reference Base for Soil Resources.