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|   Attribute_Name   |       ORDER        |    Storage_Type    |                 Measurement_Scale                  |             Number_Type             |       UNITS        |    DESCRIPTION     |       CODES        |
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| sample             |                  1 | s                  | nominal                                            | natural                             | dimensionless      | id code for lab as |                    |
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| site               |                  2 | s                  | nominal                                            | natural                             | dimensionless      | Ewatch sites       |                    |
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| treat              |                  3 | s                  | nominal                                            | natural                             | dimensionless      | treatment as       | 1,2,3              |
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| trans              |                  4 | s                  | nominal                                            | natural                             | nominalDay         | transect # - used  | 1,2                |
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| distance           |                  5 | s                  | nominal                                            | natural                             | nominalDay         | which of 4         | 1,2,3,4            |
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| micro              |                  6 | s                  | nominal                                            | natural                             | dimensionless      | microsite as       | U,B,N              |
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| NO3min             |                  7 | f                  | ratio                                              | real                                | gramsPerSquareMete | in situ nitrate    |                    |
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| NH4min             |                  8 | f                  | ratio                                              | real                                | gramsPerSquareMete | in situ NH4        |                    |
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| totmin             |                  9 | f                  | ratio                                              | real                                | gramsPerSquareMete | insitu total N     |                    |
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| H2O                |                 10 | f                  | ratio                                              | real                                | percent            | soil water content |                    |
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| bd                 |                 11 | f                  | ratio                                              | real                                | gramsPerCubicCenti | bulk density of    |                    |
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| NO3mnc             |                 12 | f                  | ratio                                              | real                                | microgramsPerGram  | mineralization of  |                    |
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| NH4mnc             |                 13 | f                  | ratio                                              | real                                | microgramsPerGram  | mineralization of  |                    |
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| Year               |                 14 | d                  | date-time                                          | n/a                                 | nominalYear        | year of sampling   |                    |
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