Table 1.
Measurement type | Sample size, n | Median, mm/yr | Mean, mm/yr | Standard error, mm/yr |
---|---|---|---|---|
Conventional agriculture | 448 | 1.537 | 3.939 | 0.321 |
Conservation agriculture | 47 | 0.082 | 0.124 | 0.022 |
Native vegetation | 65 | 0.013 | 0.053 | 0.016 |
Soil production | 188 | 0.017 | 0.036 | 0.004 |
Geological | 925 | 0.029 | 0.173 | 0.029 |
Data sources are listed in SI.