TP091

Attributes in entity 8: Soil physical and chemical data - Profile level		Details
1. DATACODE Definition: Study code Domain: freetext
2. FORMAT Definition: Format number Units: number Domain: range (minimum = 8.  maximum = 8.)
3. STAND Definition: Stand name Domain: place
4. PLOT Definition: Plot number Units: number Domain: range (minimum = 101.  maximum = 1005.)
5. YEAR Definition: Year of measurement Units: year (yyyy) Domain: range (minimum = 1981.  maximum = 1982.)
6. MMDD Definition: Month and day of measurement Units: date as month and day Domain: range (minimum = 614.  maximum = 915.)
7. DEPTHBED Definition: Depth to bedrock Units: centimeters Domain: range (minimum = 17.  maximum = 700.)
8. PITDEPTH Definition: Depth of the soil pit that was dug Units: centimeters Domain: range (minimum = 20.  maximum = 220.)
9. LITTERTH Definition: Thickness of the litter layer Units: centimeters Domain: range (minimum = 1.  maximum = 35.)
10. BDVOL Definition: Volume of the bulk density sample Units: cubic centimeters Domain: range (minimum = 500.  maximum = 1400.)
11. BDWT Definition: Weight of the bulk density sample Units: grams Domain: range (minimum = 508.0  maximum = 1350.0)
12. BDWTGT2MM Definition: Weight of the bulk density sample for particles > 2mm in size Units: grams Domain: range (minimum = 190.0  maximum = 1700.0)
13. TOT_N Definition: Total nitrogen by the Kjeldahl method Units: percent Domain: range (minimum = 0.090  maximum = 0.300)
14. TOT_C Definition: Percnet of carbon by the Walkley-Black method Units: percent Domain: range (minimum = 2.0000  maximum = 12.0000)
15. MIN_NH3 Definition: Mineralizable ammonium-n Units: parts per million Domain: range (minimum = 4.000  maximum = 100.000)
16. EXT_NH3 Definition: Extractable ammonium-n Units: parts per million Domain: range (minimum = 0.900  maximum = 20.000)