Soil Orders

Description

This is a quiz on soils.
Garrett Morgan
Flashcards by Garrett Morgan, updated more than 1 year ago
Garrett Morgan
Created by Garrett Morgan over 7 years ago
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Resource summary

Question Answer
Alfisol
Andisol
Aridisol
Entisol
Gelisol
Histisol
Inceptisol
Mollisol
Oxisol
Spodosol
Ultisol
Vertisol
minimal profile development Entisol
Just beginning to see a B horizon Inceptisol
-Have a melanic epipedon -Fertile, easy to till, but often need P fertilizer Andisol
-Have permafrost (layer of soil frozen year-round) -Loss due to climate change – may further accelerate Gelisol
-minimal to no oxygen -can be used for agriculture if drained, require lime -important carbon sink -can hold a lot of water Histisol
-Low soil moisture regime -Minimal development -Ochric horizon -Calcium carbonate accumulation Aridisol
-Has “high-activity” clays that swell when wet, shrink when dry -dark due to mineral composition Vertisol
In grasslands, grain growing areas Mollisol
– High Al (aluminum) and Fe (iron) -semiarid – humid -argillic or natric horizon Alfisol
-Associated with forests -Leached -Argillic horizon Ultisol
-Under coniferous forests -Albic horizon -Sandy, highly leached, acidic Spodosol
In hot, humid areas (tropical rainforest) Oxisol
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