Weekly mean volumetric soil moisture across different soil depths. Significant differences resulting from soil depth within each treatment and week are noted by different symbols following the mean value. (P = 0.05) Week
Treatment | Depth | Week | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | ||
Control | 5 | 28.3a | 23.8a | 18.7a | 15.3a | 15.2a | 16.6a | 17.3a | 16.8a | 22.4a | 27.0a | 21.5a | 27.5a | 22.4a | 20.2a | 19.3a | 21.9a | 26.7a | 26.3a | 25.6a |
10 | 29.3a | 28.7b | 24.9b | 21.3b | 21.2b | 21.5b | 22.3b | 22.1b | 25.4ab | 29.2ab | 25.5b | 28.4a | 26.3b | 25.6b | 24.9b | 25.0b | 26.3a | 26.5a | 26.4a | |
20 | 28.8a | 29.8b | 27.1b | 23.8c | 24.0c | 24.2b | 24.7b | 24.7b | 26.9b | 30.3b | 28.8c | 30.3a | 29.8c | 28.8c | 28.1c | 27.6c | 27.4a | 27.2a | 26.9a | |
Pervious | 5 | 44.4ab | 43.7ab | 42.6ab | 41.0ab | 39.8ab | 39.1ab | 38.6ab | 37.6ab | 38.2ab | 38.2a | 37.8a | 37.8ab | 36.4ab | 35.6a | 35.0a | 35.2a | 35.3a | 35.1ab | 34.5b |
10 | 42.2a | 41.4a | 40.8a | 40.0a | 39.3a | 38.1a | 37.3a | 36.3a | 36.4a | 36.7a | 36.4a | 36.2a | 34.6a | 33.7a | 33.2a | 33.1a | 33.2a | 32.8a | 32.1a | |
20 | 48.5b | 48.6b | 47.4b | 46.0b | 45b | 44.2b | 43.7b | 42.3b | 41.4b | 41.9b | 41.6b | 40.8b | 38.9b | 36.7a | 35.7a | 35.1a | 35.5a | 35.4b | 34.9b | |
Impervious | 5 | 42.8a | 42.7a | 42.1a | 41.7a | 41.0a | 39.7a | 39.0a | 38.0a | 37.5a | 36.8a | 37.8a | 36.9a | 36.4a | 36.6a | 36.0a | 35.1ab | 34.4a | 34.0a | 33.4b |
10 | 45.5a | 45.4a | 45.0a | 44.7a | 44.2a | 43.1a | 42.5a | 41.5a | 40.8a | 40.2a | 40.8a | 39.7a | 39.1a | 38.7a | 37.9a | 36.6a | 35.4a | 34.3a | 32.1ab | |
20 | 40.1a | 40.3a | 40.1a | 39.8a | 39.5a | 38.7a | 38.3a | 37.7a | 37.1a | 36.9a | 37.5a | 36.5a | 36.1a | 35.7a | 35.1a | 34.2a | 33.1a | 32.3a | 31.2a |