Soil Orders Flashcards
Mastery of Fill-in-Blank
Argillic, natric, or kandic horizon, medium-high base saturation. “ALF”
Alfisols
Volcanic ash soils, dominated by allophane or al-humic complexes. “AND”
Andisols
Dry soil, ochric epipedon, sometimes argillic or natric horizon. “ID”
Aridisols
Little profile development, ochric epipedoncommon. “ENT”
Entisols
Permafrost, often with cryoturbation. “EL”
Gelisols
Peat or bog, >20% organic matter. “IST”
Histosols
New Soils with few diagnostic features, ochric or umbic epipedon, cambic horizon. “EPT”
Inceptisols
high base saturation, dark soils, some argillic or natric horizons. “oll”
Mollisols
No argillic horizon, highly weathered. “OX”
Oxisols
Common with Fe, Al oxides and humus accumulation. “OD”
Spodosols
Argillic or kandic horizon, low base saturation. “ULT”
Ultisols
High swelling clays; deep cracks when soil is dry. “ERT”
Vertisols
