Article Figures & Data
Figures
- Figure 1.
Soil fracture patterns produced in sandy clay (Hilltop) and sandy clay loam (Track) soil by injecting dye into the soil with the Terravent.
Tables
- Table 1.
Mean bulk densities at a depth of approximately 2 to 5 in. (5 to 13 cm), within 6 in. (15 cm) of the Terravent probe and from an adjacent, undisturbed area 28 in. (71 cm) from the probe, compared with a twotailed T-test. Six samples were collected at each site.
Site Mean bulk density (g/cc) T-test (P) Sample distance from probe 6 in. Std. dev. 28 in. Std. dev. Significance* Hilltop 1.46 .126 1.43 .084 0.78 Track 1.53 .075 1.56 .048 0.38 Ball Field 1.63 .138 1.60 .153 0.77 ↵*Differences between means with P < 0.05 are considered significant. No values were in this range.
- Table 2.
Descriptive statistics for the depth and horizontal spread of a dye solution in soil fractures created with a Terravent. Six samples were collected at each site.
Site Mean depth of dye (in.) Mean width of dye spread Min. Typical Max. In inches Std. dev. Hilltop 7.0 9.0 14.5 22.2 4.1 Track 4.0 9.7 13.9 15.2 2.9
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