Soil orders

Question 1

No B horizon
generally young
cool and dry

Answer 1

Regosolic

Question 2

Bm, Bfj, Btj > 5cm or Bf<10cm

forests, dry, teenage

Answer 2

Brunisolic

Question 3

Bt, blocky, clay coating

ah,ae,bt,c

Answer 3

Luvisolic

Question 4

Bg
lowlands, mottles
wet and grey (anoxic)
Riparian veg, <17%C
Organic wetland

Answer 4

Gleysolic

Question 5

Of, Om, Oh that exgend >40cm

well drained

Answer 5

Organic order

Question 6

Ah>10cm
C/N<17
High BS>80%
Ca2+ dominate cation
low leaching
grassland

Answer 6

Chernozemic

Question 7

Bn, Bnt
Na accumulation
subhumid/subarid
grassland
columnar

Answer 7

Solonetzic

Question 8

Bf
orange
UBC

Answer 8

Podzolic

Question 9

B,Cz/y or Oz
Permafrost
cyroturbated
freeze/thaw (mixing)

Answer 9

Cryosolic

Question 10

Bss/Css and Bv/Cv
argillipedoturbation
shrink/swell
distinct dry season

Answer 10

Vertisolic

Question 11

e

Answer 11

elluviated

down from a to b horz

Question 12

b

Answer 12

buried

Question 13

c

Answer 13

cementation

Question 14

f

Answer 14

Fe/Al oxides

Question 15

g

Answer 15

gleyed
water saturation
high water table
mottles

Question 16

h

Answer 16

hummus (OM) accumulation

Question 17

j

Answer 17

juvinile

Question 18

k

Answer 18

calcium carbonate as primary

Question 19

m

Answer 19

modified

Question 20

n

Answer 20

presence of sodium influencing horizon development

Question 21

ss

Answer 21

agrillipedoturbation

Question 22

t

Answer 22

clay presence

Question 23

v

Answer 23

mixing due to shrink swell

clay to heavy clay

Question 24

x

Answer 24

fragipan, loamy surface and low OM

Question 25

y

Answer 25

cryoturbation

Question 26

ca

Answer 26

in C horz

Calcium carbonate enrichment

Question 27

R

Answer 27

rock

Question 28

W

Answer 28

Water

Question 29

p

Answer 29

human involvement
modified by humans
agriculture is an ex