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Environmental Sciences Europe

Table 17 Classification and scoring of soils according to pedogenesis and texture with regard to the influence on potential arable

From: Rule-based classification and mapping of ecosystem services with data on the integrity of forest ecosystems

Soil texture according to pedological mapping instructions 5th edition

Genesis

Soil water balance

Nutrient balance

Soil structure

Relative yield potential EP(geo-hoz)

PPorosity < 0.2 µm with dead water (pF > 4.2)/formation of stagnant moisture

Risk of dehydration

Groundwater or backwater influence

Usable field capacity (pore content 0.2–50 µm with plant-available adhesive water pF 4.2–1.8)

Humus levels as a function ofSsoil texture

Ccation exchange capacity

Thoroughness

Root penetration (poreCcontent > 50 µm with air. pF < 1.8)

Slope of solidification in the B-horizon

Ss

D

5

1

1

1

1

1

3

5

1

2.00

Al

5

1

4

1

1

1

4

5

1

2.36

K

5

1

1

1

1

1

2

5

1

1.89

V

5

1

1

1

1

1

2

5

1

1.89

Su2, Sl2, Sl3, St2

D

4

2

1

3

1

2

3

5

1

2.50

Al

4

2

5

3

1

2

4

5

1

2.94

K

4

2

4

3

1

2

3

5

1

2.75

V

4

2

3

3

1

2

2

5

1

2.56

Su3, Su4

D

3

3

2

4

2

2

3

5

2

3.00

Lo

3

3

2

4

2

2

5

5

2

3.22

Al.K

3

3

5

4

2

2

4

5

2

3.36

V

3

3

3

4

2

2

2

5

2

2.97

Vg

3

3

1

4

2

2

1

5

2

2.69

Slu, Sl4, St3

D

3

4

2

5

2

3

3

4

3

3.39

Lo

3

4

2

5

2

3

5

4

3

3.61

Al.K

3

4

5

5

2

3

5

4

3

3.86

V

3

4

3

5

2

3

2

4

3

3.36

Vg

3

4

1

5

2

3

1

4

3

3.08

Ls2–4, Lt2, Lts, Ts4, Ts3

D

3

4

3

5

3

4

3

3

4

3.69

Lo

3

4

2

5

3

4

5

3

4

3.83

Al

3

4

5

5

3

4

5

3

4

4.08

K

3

4

4

5

3

4

3

3

4

3.78

V

3

4

3

5

3

4

2

3

4

3.58

Vg

3

4

1

5

3

4

1

3

4

3.31

Uu, Us, Ut2-4, Uls, Lu

D

2

3

3

4

4

3

3

2

5

3.33

Al

2

5

5

4

4

4

5

2

5

4.00

Lo

2

3

2

4

4

4

5

2

5

3.58

K

2

3

4

4

4

3

4

2

5

3.53

V

2

3

3

4

4

3

2

2

5

3.22

Vg

2

3

1

4

4

3

1

2

5

2.94

Lt3, Tu2–4, Ts2, Tl, Tt

D

1

1

2

3

5

5

3

1

5

3.03

Al

1

1

5

3

5

5

4

1

5

3.39

Lo

1

1

2

3

5

5

5

2

5

3.36

K

1

1

4

3

5

5

1

1

5

2.97

V

1

1

3

3

5

5

2

1

5

3.00

Vg

1

1

2

3

5

5

1

1

5

2.81

Hh

 

1

1

1

1

5

1

1

1

1

1.44

Hn

 

1

1

1

2

5

3

4

3

1

2.42

  1. Wood and grassland yields
  2. EP(geo-hor) = Relative yield potential determined by the soil
  3. Yield scores: 1 = very unfavourable. 2 = unfavourable. 3 = moderately favourable. 4 = favourable. 5 = very favourable
  4. Soil genesis: D diluvial soils of the undulating lowlands and hilly areas, Lö soils of the loess areas; Al alluvial soils of broad river valleys. including terraces and lowlands; K soils of coastal regions; V weathered soils of solid rock and their surrounding rock masses in mountainous and hilly areas; Vg rock-rich weathered soils of the high mountains
  5. Soil texture classes: Hh raised bog, Hn Fen, Ls2–4 weak to strong sandy loam, Lt2 weak clayey loam, Lt3 medium clayey loam, Lts sandy–clayey loam, Lu silty loam, Sl2 light loamy sand, Sl3 medium clayey sand, Sl4 very loamy sand, Slu silty-clayey sand, Ss pure sand, St2 light clayey sand, St3 medium clayey sand, Su2 light silty sand, Su3 medium silty sand, Su4 strongly silty sand, Tl clayey clay, Ts2 slightly sandy clay, Ts3 medium sandy clay, Ts4 very sandy clay, Tt pure clay, Tu2–4 weak to strong silty clay, Uls sandy–clayey silt, Us sandy silt, Ut2–4 weak to strong clayey silt, Uu pure silt
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