Guidelines for Soil Quality Assessment in Conservation Planning

Soil quality is the capacity of a specific kind of soil to function within natural or managed ecosystem boundaries to: ? sustain plant and animal productivity ? maintain or enhance water and air quality ? support human health and habitation Soil function describes what the soil does. Soil functions are: (1) sustaining biological activity diversity and productivity; (2) regulating and partitioning water and solute flow; (3) filtering and buffering degrading immobilizing and detoxifying organic and inorganic materials including industrial and municipal by-products and atmospheric deposition; (4) storing and cycling nutrients and other elements within the earth