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Mean total adjusted discharge volumes (m3) for each treatment and year.
| Buffer strip treatment | April 2017–March 2018 | April 2018–March 2019 | April 2019–March 2020 |
|---|---|---|---|
| Control | 924 | 1196 | 1120 |
| Grass buffer | 635 (859) | 1135 (1536) | 401 (543) |
| Willow buffer | 398 (539) | 891 (1206) | 372 (503) |
| Woodland buffer | 531 (718) | 698 (944) | 534 (723) |
Note: Unadjusted discharge volumes in parentheses.
