Exam 1

Question 1

2.) Histosol

Answer 1

Organic soils

Question 2

3.) Spodosol

Answer 2

Light color
Coniferous forests
Cool, humid regions

Question 3

4.) Andisol

Answer 3

Soil from volcanic ash

Question 4

5.) Oxisol

Answer 4

Highly weathered

Tropical

Question 5

6.) Vertisol

Answer 5

High shrink-swell

Large cracks when dry

Question 6

7.) Aridsol

Answer 6

Arid soils

Deserts

Question 7

8.) Ultisols

Answer 7

Highly weathered
Warm climate
Oldest soil

Question 8

9.) Mollisol

Answer 8

Prairie soil, Great Plains

Dark, thick, good structure

Question 9

10.) Alfisol

Answer 9

Forest, cool climate

Light color

Question 10

11.) Inceptisol

Answer 10

Young
Only quickly formed horizons
Most common in the world

Question 11

12.) Entisol

Answer 11

Youngest soil

Limited profile development

Question 12

Transport Method: Alluvial

Answer 12

Rivers

Question 13

Transport Method: Collovial

Answer 13

Gravity

Question 14

Transport Method: Eolian

Answer 14

Wind

Question 15

Transport Method: Lacastrine

Answer 15

Lake

Question 16

Transport Method: Marine

Answer 16

Ocean

Question 17

Transport Method: Glacial

Answer 17

Glaciers

Question 18

Subordinate Distinctions: Oa

Answer 18

Sapric, high

Question 19

Subordinate Distinctions: Oe

Answer 19

Hemic, partial

Question 20

Subordinate Distinctions: Oi

Answer 20

Fibric, slight

Question 21

Subordinate Distinctions: g

Answer 21

Prolonged Saturation
Value of 4 or greater
Chroma of 2 or less

Question 22

Subordinate Distinctions: t

Answer 22

Higher clay content than overlying A

At least 5%

Question 23

Subordinate Distinctions: x

Answer 23

Compaction

Question 24

1.) Gelisol

Answer 24

Dark organic surface

Permafrost

Question 25

Father of soil Science

Answer 25

F.A. Fallon

Question 26

Father of American soil science

Answer 26

E.W. Hilgard

Question 27

Oklahomas state soil

Answer 27

Port silt loam