Table 2 The estimated values of the logistic equation (K, A, and B) for the sigmoidal model development and model validation.

From: A sigmoidal model for predicting soil thermal conductivity-water content function in room temperature

Study of model

Soil texture

K

A

B

Development

Silty clay

1.000

6.82

13.96

Clay loam

1.047

4.86

10.24

Silt loam

1.073

5.60

14.52

Loam

1.073

5.91

15.97

Sandy loam

1.501

3.93

20.78

Loamy sand

1.649

4.23

20.60

Validation

Silt loam

1.060

8.76

21.98

Loam

1.361

5.63

20.05

Sand

1.663

3.20

20.38

Back to article page