| initial_date | | Date/time | date initial soil cores were taken and incubated cores were buried
|
| DOY | | Physical quantity | Day of Year |
| Current | | Nominal | Treatment in 2017, after irrigation lines were shifted. |
| Position | | Nominal | Landscape position in the upland or lowland |
| Transect_1993 | | Nominal | Previous treatment (1991-2016)
|
| Replicate_ed | | Nominal | Irrigation lines as in 'Replicate', but divided into uplands and lowlands to yield spatial 'blocks' |
| nh4ppm_soil_init | | Physical quantity | NH4-N concentration in soil
|
| nh4ppm_soil_final | | Physical quantity | NH4-N concentration in soil
|
| no3ppm_soil_init | | Physical quantity | NO3-N concentration in soil |
| no3ppm_soil_final | | Physical quantity | NO3-N concentration in soil |
| minrate_daily | | Physical quantity | Net N mineralization rate (micrograms N / gram soil / day) |
| nitrifrate_daily | | Physical quantity | Net nitrification rate (micrograms N / gram soil / day) |
| minratedaily_yeo | | Physical quantity | Yeo-johnson transformed net N min rate (lambda = -0.15) |
| nitrifratedaily_yeo | | Physical quantity | Yeo-johnson transformed net nitrif rate (lambda = -0.25)
|
