SP001

Attributes in entity 2: Horizon Level Data (description, physical and chemical Data)		Details
1. PROFILE Definition: Profile number Units: number Domain: range (minimum = 1.  maximum = 400.)
2. SERIES Definition: Soil series name Domain: freetext
3. HORIZON Definition: Horizon designation Domain: freetext
4. DEPTH_T Definition: Depth at the top of the horizon (in inches) Domain: freetext
5. DEPTH_B Definition: Depth at the bottom of the horizon (in inches) Domain: freetext
6. BOUNDARY Definition: Distinctness and topography of the lower horizon boundary Domain: enum
7. DRYCOLOR Definition: Munsell color of the dry soil Domain: freetext
8. MOISTCOL1 Definition: Dominant munsell color of the moist soil Domain: freetext
9. MOISTCOL2 Definition: Moist Munsell color of mottles or variegations Domain: freetext
10. MOISTCOL3 Definition: Moist Munsell color of mottles or variegations Domain: freetext
11. TEXTURE Definition: Code for soil texture as determined in the field Domain: enum
12. STRUCTURE Definition: Codes for soil structure Domain: enum
13. CONSISTENC Definition: Codes for dry, moist, and wet soil consistence Domain: enum
14. CONSDRY Definition: Dry consistence Domain: enum
15. CONSMOIST Definition: Moist consistence Domain: enum
16. CONSWET Definition: Wet consistence Domain: enum
17. OTHER Definition: Explicit coarse fragments, O horizon characteristics, clay skins, mottling, etc Domain: freetext
18. ROOTS Definition: Explicit abundance of roots, usually by size class Domain: freetext
19. DENSITY Definition: Bulk density of soil Units: grams per cubic centimeter Domain: range (minimum = 0.500  maximum = 1.500)
20. SAND Definition: Percent sand Units: percent Domain: range (minimum = 10.0  maximum = 90.0)
21. SILT Definition: Percent silt Units: percent Domain: range (minimum = 10.0  maximum = 80.0)
22. CLAY Definition: Percent clay Units: percent Domain: range (minimum = 1.0  maximum = 50.0)
23. TEXT_CLASS Definition: Textural class Domain: enum
24. PERCOLATIO Definition: Percolation rate in undisturbed soil cores determined in the lab Units: inches per hour Domain: range (minimum = 0.1  maximum = 250.0)
25. MT_THIRD Definition: Percolation rate in undisturbed soil cores determined in the lab Units: percent Domain: range (minimum = 20.0  maximum = 70.0)
26. MT_ONE Definition: Percent moisture on a dry-weight basis at 1 atm tension Units: percent Domain: range (minimum = 15.0  maximum = 60.0)
27. MT_FIVE Definition: Percent moisture on a dry-weight basis at 5 atm tension Units: percent Domain: range (minimum = 2.0  maximum = 55.0)
28. MT_FIFTEEN Definition: Percent moisture on a dry-weight basis at 15 atm tension Units: percent Domain: range (minimum = 10.0  maximum = 50.0)
29. PH Definition: pH of 1:1 soil-water suspension Units: pH units Domain: range (minimum = 4.0  maximum = 7.0)
30. CEC Definition: Cation exchange capacity of soil Units: milliequivalents per 100 grams Domain: range (minimum = 10.00  maximum = 70.00)
31. OM Definition: Organic matter content of soil Units: percent Domain: range (minimum = 0.10  maximum = 22.00)
32. TOT_N Definition: Total nitrogen content of soil Units: percent Domain: range (minimum = 0.0010  maximum = 1.0500)
33. P Definition: Available P content of soil Units: parts per million Domain: range (minimum = 0.00  maximum = 85.00)
34. K Definition: Exchangeable K of soil Units: milliequivalents per 100 grams Domain: range (minimum = 0.0  maximum = 3.0)
35. CA Definition: Exchangeable Ca of soil Units: milliequivalents per 100 grams Domain: range (minimum = 0.0  maximum = 25.0)
36. MG Definition: Exchangeable Mg of soil Units: milliequivalents per 100 grams Domain: range (minimum = 0.0  maximum = 20.0)
37. NA Definition: Exchangeable Na of soil Units: milliequivalents per 100 grams Domain: range (minimum = 0.0  maximum = 1.0)
38. BASE_SAT Definition: Percent base saturation Units: percent Domain: range (minimum = 1.0  maximum = 105.0)