Comparison to expected values of homeowner respondents' frequency of fertilizing their trees and shrubs to their interest in a commercial IPM program.
| Interest in an IPM program | |||||
|---|---|---|---|---|---|
| Frequency of pruning | yes | no | X2 | ||
| Annually or biennially | 42 | 11 | 42.23* | ||
| (expected) | (30.7) | (22.3) | |||
| Occasionally | 67 | 37 | |||
| (expected) | (60.3) | (43.7) | |||
| Rarely or never | 7 | 36 | |||
| (expected) | (24.9) | (18.1) | |||
↵* Significant at 0.01 level