|
|
Representative Soil Features
|
The soils are very deep and well drained. They are formed in alluvium and eolium derived from sandstone. Surface textures include loamy fine sand and fine sandy loam. The subsoil has textures of very fine sandy loam, fine sandy loam, loamy coarse sand, and loamy sand. Permeability is moderately rapid. Available water holding capacity is low to moderate. Runoff is very low to low, and the hazard of water erosion is very slight to slight. The hazard of soil blowing is severe. The soils are slightly to strongly alkaline (pH 7.4-9.0), nonsaline to slightly saline below 24 inches (EC 0-8), and nonsodic to slightly sodic (SAR 0-13).
Characteristic taxonomic units are:
Shiprock SSA:
120-Nageezi-Denazar (Nageezi part)
173-Shiprock fine sandy loam
205-Shiprock-Farb Complex (Shiprock part)
240-Nageezi loamy fine sand
Other soils included are:
|
Predominant Parent Materials:
Kind: Alluvium
Origin: Sandstone
|
| Surface Texture: |
(1) Loamy fine sand |
|
(2) Fine sandy loam |
|
Subsurface Texture Group: Loamy
|
|
Minimum |
Maximum |
| Surface Fragments <=3" (% Cover): |
0 |
8 |
| Surface Fragments > 3" (% Cover): |
0 |
0 |
| Subsurface Fragments <=3" (% Volume): |
0 |
5 |
| Subsurface Fragments > 3" (% Volume): |
0 |
0 |
|
| Drainage Class: Well drained
To Well drained
|
| Permeability Class: Moderately rapid
To Moderately rapid
|
|
Minimum |
Maximum |
| Depth (inches): |
60 |
67 |
| Electrical Conductivity (mmhos/cm): |
0 |
8 |
| Sodium Absorption Ratio: |
0 |
13 |
| Calcium Carbonate Equivalent (percent): |
1 |
30 |
| Soil Reaction (1:1 Water): |
7.4 |
9.0 |
| Soil Reaction (0.01M CaCl2): |
|
|
| Available Water Capacity (inches): |
4.0 |
6.0 |
|
|
|
|
Ecological Site Description
Back to Top