Which soil type develops from rich volcanic ash?

Andisols are a unique type of soil that forms from volcanic ash and are characterized by their high fertility and moisture-retaining capacity. They are commonly found in regions with active or recently active volcanoes, where the volcanic ash contributes to their rich mineral content and distinctive properties.

The composition of Andisols allows for the effective retention of nutrients and water, making them particularly productive for agriculture. Unlike other soil types, such as Gelisols, which are associated with permafrost, or Oxic soils, typically found in tropical regions and characterized by intense weathering, Andisols derive their properties largely from the fresh, organic ash. Aridisols, on the other hand, are dry soils occurring in arid regions and do not exhibit the moisture-holding capabilities or fertility associated with Andisols. Thus, the characteristics of Andisols make them stand out as a soil type that develops specifically from volcanic ash.