definition
:
Young (10–100 years) anthropogeomorphic: with complete disturbance of any natural surfaces (and soils) such as in urban, industrial and mining areas with early soil developmen...
definition
:
Young (10–100 years) natural: with loss by erosion or deposition of materials such as on tidal flats, of coastal dunes, river valleys, landslides or desert areas.
definition
:
Zinc is a micronutrient essential for plant enzyme systems, protein synthesis, and growth regulation. Deficiency is common in calcareous soils and results in stunted growth an...