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Spatial Analysis of Machine-Wheel Traffic Effects on Soil Physical Properties

^a Dep. of Biological Systems Engineering, 138 L.W. Chase Hall, Univ. of Nebraska, Lincoln, NE 68583-0726
^b Dep. of Agronomy, 279 Plant Science, Univ. of Nebraska, Lincoln, NE 68583-0915
^c 223 L.W. Chase Hall, Dep. of Biological Systems Engineering, Univ. of Nebraska, Lincoln, NE 68583-0726
^d Dep. of Biometry, 103 Miller Hall, Univ. of Nebraska, Lincoln, NE 68583-0712

View larger version (14K): [in a new window]   Fig. 1. Periods (furrows) of spectral density peaks—ln Ks.

View larger version (14K): [in a new window]   Fig. 2. Periods (furrows) of spectral density peaks—ln Rp.

View larger version (16K): [in a new window]   Fig. 3. Periods (furrows) of spectral density peaks—b.

View larger version (45K): [in a new window]   Fig. 4. Observed and fitted Ks along Transect 1.

View larger version (40K): [in a new window]   Fig. 5. Observed and fitted Rp along Transect 1.

View larger version (38K): [in a new window]   Fig. 6. Observed and fitted b along Transect 1.

View larger version (34K): [in a new window]   Fig. 7. Maximum Rp at furrow surface and in 150-mm depth intervals to 450 mm along Transect 1.

View larger version (29K): [in a new window]   Fig. 8. Regression of b vs. Rp along Transect 1 at 95% confidence intervals (CI).

View larger version (41K): [in a new window]   Fig. 9. Regression of log Ks vs. b along Transect 1 at 95% confidence intervals (CI).

View larger version (42K): [in a new window]   Fig. 10. Regression of log Ks vs. Rp along Transect 1 at 95% confidence intervals (CI).

View larger version (50K): [in a new window]   Fig. 11. Log Ks predicted vs. log Ks measured along Transects 2 and 3.