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TD023

Attributes in entity 10: Ash Content

     Details
1. STCODE
Definition: Database code
Domain: enum
2. FORMAT
Definition: Entity number
Units: number
Domain: range (minimum = 10.  maximum = 10.)
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 = 0.  maximum = 99585.)
9. CRWT
Definition: Crucible weight prior to adding sample
Units: grams
Domain: range (minimum = 6.0000  maximum = 25.5500)
10. CRSWT
Definition: Weight of the crucible and sample
Units: grams
Domain: range (minimum = 0.0000  maximum = 27.0000)
11. CRASH
Definition: Weight of crucible and ash. Ashing was at 400 c for 4 hours
Units: grams
Domain: range (minimum = 0.0000  maximum = 26.0000)
12. ASH
Definition: Percent of sample that was composed of ash
Units: percent
Domain: range (minimum = 0.00  maximum = 100.00)
13. ASHFREE
Definition: Proportion of sample that was ash free
Units: number
Domain: range (minimum = 0.0000  maximum = 1.0000)
14. EST
Definition: Indicates if a pooled sampled was used to estimate the ashfree content. all weights are blank for this condition.
Domain: enum
15. ASH_LAB
Definition: Laboratory name where analysis was performed
Domain: enum
16. NIR_ASH
Definition: Percent ash as predicted by near infra-red reflectance method
Units: percent
Domain: range (minimum = 0.00  maximum = 100.00)
17. NIR_ASHFRE
Definition: Ashfree proportion as predicted by near infra-red reflectance method
Units: number
Domain: range (minimum = 0.0000  maximum = 1.0000)
18. NIR_EST
Definition: Indicates if prediction is estimated from pooled sample or other rep.
Domain: enum
19. NIR_LAB
Definition: Laboratory name where nir analysis was performed
Domain: enum
20. COMMENT
Definition: Coded comments
Domain: enum