Treatments^[a]

Average runoff volume (ml)

Reduction^[b]

BS

8985^a

-

BS + P

7584^a,b

15.6%

EFM

6265^b,c

30.3%

EFM + S

2873^d

68.0%

WS + P

4873^c

45.8%

WS + P + S

4595^c,d

48.9%