Mean anaerobic scores and standard errors during summer 2008. Significant differences resulting from treatment are noted by different symbols following the mean value. (P = 0.05)
Treatment | Depth below ground (cm) | |||
---|---|---|---|---|
0-12 | 12-24 | 24-36 | 36-48 | |
Control | 0.15 (0.22)a | 0.55 (0.82)a | 1.70 (1.87)a | 1.15 (1.42)a |
Porous Pavement | 5.45 (1.85)b | 6.55 (2.58)a | 6.80 (2.67)a | 6.30 (2.51)ab |
Impervious Pavement | 4.75 (2.22)b | 5.00 (2.66)a | 5.80 (2.63)a | 9.30 (1.98)b |