Tree condition
| Area | Good-Fair | Serious decline or dead | Total trees | %Serious decline or dead |
|---|---|---|---|---|
| 1988 | ||||
| Near irrigation | 24 | 6 | 30 | 20.0 |
| Non-irrigated | 57 | 78 | 135 | 57.8 |
| X2 = 12.55 | ||||
| P < .01 | ||||
| 1992 | ||||
| Near irrigation | 22 | 8 | 30 | 26.7 |
| Non-irrigated | 37 | 98 | 135 | 72.6 |
| X=2 20.58 | ||||
| P <.01 | ||||