Diagnostic properties (WRB)

World Reference Base for soil resources
Key principles of classification Diagnostic horizons Properties Materials Reference soil groups RSG qualifiers RSG specifiers

Diagnostic properties (WRB)

• Abrupt textural change
• Albeluvic tonguing
• Andic properties
• Aridic properties
• Continuous rock
• Ferralic properties
• Geric properties
• Gleyic colour pattern
• Lithological discontinuity
• Reducing conditions
• Secondary carbonates
• Stagnic colour pattern
• Vertic properties
• Vitric properties

Source

• The FAO reference text, (2007 version)