Soils Exam Two: Subordinate Distinctions

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created 9 years ago by ndc33
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Soil Formation Soil Colloids
updated 9 years ago by ndc33
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College: Third year
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Subordinate Distinctions: G

Drainage Issues

2

Subordinate Distinctions: H

Illivial accumulation of O.M.

3

Subordinate Distinctions: K

Accumulation of carbonates

4

Subordinate Distinctions: P

Plowing or other disturbance

5

Subordinate Distinctions: SS

Slickensides (Indicator of Vertisols)-shiney clay wedges

6

Subordinate Distinctions: S

Illuvial Accumulation of O.M. (Aspotisal) and Fe and Al Oxides

7

Subordinate Distinctions: X

Fragipan (High bulk density, brittle)

8

Have distinct properties of tow horizons (AE, EA)

Transitions Horizons

9

lowercase letters denoting specific characteristics of the horizon

Subordinate Distinctions

10

Parent material deposited during Pleistocene era

Glacial

11

Wind transported

Eolian

12

Alluvial

Water deposited

13

Colluvial

Gravity

14

Speed of soil formation (Heat, moisture)

Climate

15

Native Biota

Living Organisms

16

Water, soil movement

Topography

17

Maturity of soil

Time

18

Genetic Influence

Parent Material

19

Can include nutrients of chemicals moving out of the profile with water (Leaching)

Losses

20

Gain of organic matter (Depends on climate, vegetation, and topography)

Additions