Generalized ratings associated with soil separates on some properties and behavior of soils

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46 Terms

1
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sand water holding capacity

low

2
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silt water holding capacity

medium to high

3
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clay water holding capacity

poor

4
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sand aeration

good

5
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silt aeration

medium

6
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clay aeration

poor

7
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sand drainage rate

high

8
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silt drainage rate

slow-med

9
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clay drainage rate

very slow

10
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sand soil organic matter level

low

11
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silt soil organic matter level

med-high

12
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clay soil organic matter level

high-med

13
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sand decomposition of organic matter

rapid

14
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silt decomposition of organic matter

medium

15
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clay decomposition of organic matter

slow

16
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sand compactability

low

17
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silt compactability

medium

18
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clay compactability

high

19
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sand susceptibility to wind erosion

moderate, high if fine sand

20
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silt susceptibility to wind erosion

high

21
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clay susceptibility to wind erosion

low

22
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sand susceptibility to water erosion

low unless fine sand

23
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silt susceptibility to water erosion

high

24
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clay susceptibility to water erosion

low if aggregated, high if not

25
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sand shrink swell potential

very low

26
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silt shrink swell potential

low

27
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clay shrink swell potential

moderate to very high

28
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sand sealing of ponds, dams, and landfills

poor

29
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silt sealing of ponds, dams, and landfills

poor

30
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clay sealing of ponds, dams, and landfills

good

31
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sand suitability for tillage after rain

good

32
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silt suitability for tillage after rain

medium

33
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clay suitability for tillage after rain

poor

34
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sand pollutant leaching potential

high

35
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silt pollutant leaching potential

medium

36
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clay pollutant leaching potential

poor

37
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sand ability to store plant nutrients

poor

38
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silt ability to store plant nutrients

poor

39
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silt ability to store plant nutrients

med-high

40
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clay ability to store plant nutrients

high

41
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sand resistance to pH change

low

42
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silt resistance to pH change

medium

43
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clay resistance to pH change

high

44
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sand warm-up in spring

rapid

45
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silt warm-up in spring

moderate

46
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clay warm-up in spring

slow