P

Permeability (mm・h⁻¹)

Texture

1

>60

Sand

2

20 - 60

Loamy sandy, sandy loam

3

5 - 20

Loam, silt loam

4

2 - 5

Sandy clay loam, clay loam

5

1 - 2

Silty clay loam, sandy clay

6

<1

Silty clay, clay