| Yellow foxtail control | |||||
------- July ------- | ----- September ----- | |||||
Weed control method | ----- 2008 ----- | ----- 2009 ----- | ----- Combined ----- | |||
| ---- % ---- | ---- % ---- | ---- % ---- | |||
Landscape fabric | 88.3 |
| 91.3 | az | 90.2 | a |
Herbicide | 90.0 |
| 71.3 | b | 56.3 | b |
Straw mulch | 88.3 |
| 90.0 | a | 79.8 | a |
Woodchip mulch | 90.0 |
| 92.5 | a | 82.7 | a |
p > fy | ns | 0.0462* | -x |