soil layers Flashcards
1
Q
O
A
undecomposed organics
2
Q
A
A
topsoil, black humus decomposed organics
3
Q
E
A
leached zone, white color, iron, aluminum, mainly in forests
4
Q
B
A
zone of accumulation of weathering , iron aluminum, clay, reddest part of soil
5
Q
Bt
A
clay accumulation; very sticky films
6
Q
Bk
A
caliche; calcite,white, dry climate
7
Q
Bg
A
Mottled; red and gray Parches; poorly drained
8
Q
Bx
A
Dense silt; fragipan, holds up water (ML soils)
9
Q
Bs
A
Very red; abundant iron
10
Q
Bw
A
Only increase in slight red color
11
Q
C
A
oxidized Parent material
