TD021

Attributes in entity 4: Nutrient content data		Details
1. DBCODE Definition: FSBD study code Domain: enum
2. ENTITY Definition: FSDB entity number Units: number Domain: range (minimum = 4.  maximum = 4.)
3. SITE Definition: Site where samples were incubated in field Domain: place
4. TIME Definition: Proposed time interval to collect samples in the field; interval is typically 1 year, but at the Mexico sites (tropical) it is half a year; refer to TIMEOUT for field incubation time Units: number of years Domain: range (minimum = 0.  maximum = 10.)
5. SPECIES Definition: Species code of sample Domain: taxa
6. SIZE Definition: Diameter class of branch sample Domain: enum
7. SAMPLE_NO Definition: Indicates if sample is repeated 1 is first, 2 is duplicate Units: number Domain: range (minimum = 1.  maximum = 6.)
8. DATE Definition: Date samples were run Units: date as date type Domain: range (minimum = Mar 9 1989  maximum = Feb 20 1994)
9. N Definition: Nitrogen concentation (micro Kjeldahl nitrogen) Units: number Domain: range (minimum = 0.20  maximum = 2.27)
10. AL Definition: Aluminum concentration Units: parts per million Domain: range (minimum = 3.  maximum = 2157.)
11. B Definition: Boron concentration Units: parts per million Domain: range (minimum = 2.  maximum = 95.)
12. CA Definition: Calcium concentration Units: parts per million Domain: range (minimum = 1000.  maximum = 100000.)
13. CU Definition: Copper concentration Units: parts per million Domain: range (minimum = 1.0  maximum = 8.9)
14. FE Definition: Iron concentration Units: parts per million Domain: range (minimum = 5.  maximum = 2000.)
15. K Definition: Potassium concentration Units: parts per million Domain: range (minimum = 400.  maximum = 45900.)
16. MG Definition: Magnesium concentration Units: parts per million Domain: range (minimum = 300.  maximum = 17000.)
17. MN Definition: Magnesium concentration Units: parts per million Domain: range (minimum = 1.  maximum = 140.)
18. P Definition: Phosphorus concentration Units: parts per million Domain: range (minimum = 30.  maximum = 3430.)
19. ZN Definition: Zinc concentration Units: parts per million Domain: range (minimum = 1.  maximum = 101.)
20. NA Definition: Sodium concentration Units: parts per million Domain: range (minimum = 88.  maximum = 1472.)
21. OSU_NO Definition: Unique number assigned for chemical analysis Units: number Domain: range (minimum = 1.  maximum = 4459.)