Table 4 Soil properties.
Field name | Definition | Unit | Number of records |
|---|---|---|---|
Site ID | unique identifer for each site | — | 556 |
Site | site name | — | 556 |
Plot ID | unique identifer for each plot | — | 556 |
Plot | plot name | — | 556 |
Year | year of sampling | — | 556 |
Sample ID | unique identifer for each sample | — | 556 |
Depth | soil sampling depth (0–20 cm, 0–10 cm, and 10–20 cm) | cm | 556 |
SOM | soil organic matter | g/kg | 538 |
SoilN | soil total nitrogen | g/kg | 556 |
SoilP | soil total phosphorus | g/kg | 362 |
