Cultivation soils

a

b

S_∞

Number of times S_∞ is observed

Soil 0

−0.432^c

2.116^c

870.24^c

0

Soil 50

−0.600^d

3.016^c

1937.1^c

0

Soil 100

−0.417^c

3.25^c

4107.1^c

0

Soil 150

−0.473^c

3.492^c

1698.1^d

0

Soil 200

−0.363^c

3.352^c

6223.4^d

0

Witness

−0.271^c

3.814^d

12261^d

0