The Soils of Chile by Manuel Casanova Osvaldo Salazar Oscar Seguel & Walter Luzio

Author:Manuel Casanova, Osvaldo Salazar, Oscar Seguel & Walter Luzio
Language: eng
Format: epub
Publisher: Springer Netherlands, Dordrecht

Soil order

CEC

ECEC

Range (cmolc kg−1)

Average

Range (cmolc kg−1)

Average

Entisols

4–36

11

2–13

7

Inceptisols

4–87

16

1–35

7

Alfisols

4–49

19

2–26

10

Mollisols

5–64

22

4–56

17

Ultisols

17–60

23

2–9

5

Andisols

7–76

37

1–18

6

Vertisols

17–75

41

15–67

33

Histosols

71–72

72

–

–

Rainfall effects are important for cation availability in some Chilean soils, for example in the Southern Mediterranean zone cation leaching is recognised as a major factor in limiting productivity (Bernier and Alfaro 2006). Most soils in this zone display BS <50 %, and crops usually respond positively to fertiliser application (Montenegro and Rodríguez 1985). Another soil factor that can cause plant nutrient deficiency, mainly of potassium, in the Northern Mediterranean zone is fixation in soils with high 2:1 clay contents (Ruíz and Sadzawka 1986).

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