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TD023
Attributes in entity
2
:
NIR Nitrogen, Lignin, and Cellulose Contents
Details
1. STCODE
Definition:
Database code
Domain:
enum
2. FORMAT
Definition:
Entity number
Units:
number
Domain:
range (minimum = 2. maximum = 2.)
3. SITE
Definition:
Site code
Domain:
place
4. REP
Definition:
Replicate code
Domain:
enum
5. DURATION
Definition:
The length of time (number of years) the litter will remain on site before it is harvested.
Units:
number of years
Domain:
range (minimum = 0. maximum = 20.)
6. SPECIES
Definition:
Litter species code
Domain:
taxa
7. TYPE
Definition:
The substrate of the litter : leaves, roots, wood
Domain:
enum
8. NIR_NUM
Definition:
Unique sample number
Units:
number
Domain:
range (minimum = 1. maximum = 99999.)
9. DUP
Definition:
Indicates if a sample measurement was repeated to check measurements.
Domain:
enum
10. ANALY_DATE
Definition:
Date the analysis was performed
Units:
date as date type
Domain:
range (minimum = Oct 8 1999 maximum = Jan 13 2003)
14. NIR_N
Definition:
Total nitrogen as measured by near infra-red reflectance method.
Units:
percent
Domain:
range (minimum = 0.000 maximum = 5.500)
15. NIR_PAFNN
Definition:
Percent ashfree nir nitrogen (nitrogen/ashfree proportion)
Units:
percent
Domain:
range (minimum = 0.000 maximum = 100.000)
16. NIR_NPE
Definition:
Non-polar extractives as measured by near infra-red reflectance method.
Units:
percent
Domain:
range (minimum = 0.000 maximum = 50.000)
17. NIR_LIGNIN
Definition:
Total lignin as measured by near infra-red reflectance method.
Units:
percent
Domain:
range (minimum = 0.000 maximum = 100.000)
18. NIR_WSCARB
Definition:
Water soluable sugars as measured by near infra-red reflectance method
Units:
percent
Domain:
range (minimum = 0.000 maximum = 8.000)
19. NIR_TANNIN
Definition:
Tannin as measured by near infra-red reflectance method
Units:
percent
Domain:
range (minimum = 0.000 maximum = 7.000)
20. LAB
Definition:
Laboratory name where analysis was performed
Domain:
enum
21. COMMENT
Definition:
Coded comments
Domain:
enum