Soil Morphology – Judging

The field observable attributes of the soil within the various soil horizons and the description of the kind and arrangement of the horizons.^{[cite num=”1″]}

Students of Agronomy, Soils, and Environmental Sciences (SASES) is the undergraduate student program of the American Society of Agronomy (ASA), Crop Science Society of America (CSSA), and Soil Science Society of America (SSSA).

Participation in the SASES National Soil Judging Contest (USA) requires qualification at the Regional level.  Region IV (Arkansas, Mississippi, Texas, Louisiana, Oklahoma) Collegiate Soil Judging is an experiential event to practice application and develop skills associated with scholarly learning.

• Horizons and Layers
  • Lower Depths
  • Unconsolidated Horizons and Layers, Lithic and Paralithic Contact Depth Interpretations
• Boundary Distinctness
• Clay Percentage and Textural Class
• Coarse Fragments
• Color
• Structure
• Effervescence
• Redoximorphic Features
• Hydraulic Conductivity
• Effective Soil Depth
• Water Retention Difference
• Soil Wetness Class

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1. Buol, S. W., Southard, R. J., Graham, R. C., & McDaniel, P. A. (2003). Soil Genesis and Classification, 6th Edition. Ames Iowa: Iowa State Press, A Blackwell Pub. Co. p. 494. ISBN 9780813807690.