Extras Flashcards
What would give a horizon low hydraulic conductivity?
Clay, sandy clay, silty clay with weak or moderate stucture.
Silty clay loam with weak structure.
Fragipan, Cr, or R.
Restricting layers for effective soil depth?
Fragipan, lithic, or paralithic.
A sand / gravel layer with “insufficient” fines.
What would give a horizon high hydraulic conductivity?
sand or loamy sand.
Sandy loam with very high organic matter.
High rock fragments with “insufficient fines”
Redox features with an abundance of few occupy how much of the horizon?
<2% of the horizon
Redox features with an abundance of common occupy how much of the horizon?
2 to 20% of the horizon
Redox features with an abundance of many occupy how much of the horizon?
> 20% of the horizon
Explain how a redox feature would have faint contrast.
Vide not only on close examination