Indicator

Value of indicator

Score of indicator (SHIi)

Slope

<5˚

1

≥5˚

0

Soil bulk density

<1.5 g·cm3

1

>1.5 g·cm3

0

Soil texture (soil particles <0.01 mm)

<20%

0

20% - 45%

1

>45%

0

Depth of humus horizon

<30 cm

0

>30 cm

1

pH value

<4.5

−1

4.51 - 6.00

0

6.01 - 7.50

1

7.51 - 8.00

0.5

8.00

0

Total organic carbon content

<1%

0

1% - 5%

1

>5%

2

Quality of organic carbon content (Q46)

<4.5

2

4.5 - 6.0

1

>6.0

0

Soil contamination (Cd, Pb, Cu, Zn, Cr, Ni, Co, Se, As, Hg) evaluated by hygienic limit for Slovakia (MP SR, 2004, MPRV SR)

0

>hygienic limit value

−1