| RecYear | | Physical quantity | Year of record |
| RecMonth | | Date/time | Month of record |
| RecDay | | Date/time | Day of record |
| Belo | | Nominal | BELO |
| Plot | | Physical quantity | belowground plot id (1-64) |
| Block | | Nominal | super plot (block) H A |
| Burn | | Nominal | burn treatment |
| Mow | | Nominal | mow treatment |
| Nutrient | | Code list | nutrient treatment |
| Aggregat | | Physical quantity | number of spores Glomus aggregation |
| Fuscicda | | Physical quantity | number of spores Glomus fuscicdatum |
| Mosseal | | Physical quantity | number of spores Glomus mosseal |
| Claroide | | Physical quantity | number of spores Glomus claroideum |
| Constrc | | Physical quantity | number of spores Glomus constrictum |
| Tortuosu | | Physical quantity | number of spores Glomus tortuosum |
| Albidum | | Physical quantity | number of spores Glomus albidum |
| Etunicat | | Physical quantity | number of spores Glomus etunicat |
| Unident | | Physical quantity | number of unidentified glomus spp. |
| Gigpellu | | Physical quantity | number of spores Gigaspora pellucida |
| Giggigau | | Physical quantity | number of spores Gigaspora gigautea |
| Gigcalos | | Physical quantity | number of spores Gigaspora calospira |
| Sclcorom | | Physical quantity | number of spores scler. corom. |
| Entofrap | | Physical quantity | number of spores entoph. freques |