TN021

Attributes in entity 3: Density Fractionation; carbon and nitrogren content averages by fraction across plots		Details
1. DBCODE Definition: Database Code (assigned by FSDB data manager) Domain: enum
2. ENTITY Definition: Entity number (data table number) Units: number Domain: range (minimum = 3.  maximum = 3.)
3. YEAR Definition: Year of sampling Units: year (yyyy) Domain: range (minimum = 1999.  maximum = 1999.)
4. FRACTION Definition: Density fraction of carbon in g/cm3 Domain: enum
5. TREAT Definition: Treatment Domain: enum
6. AVG_C Definition: average mg C per gram of soil Units: milligrams per gram Domain: range (minimum = 0.44  maximum = 37.02)
7. AVG_N Definition: average mg N per gram of soil Units: milligrams per gram Domain: range (minimum = 0.020  maximum = 0.820)