Effect of planting depth on the plant index of Nerium oleander ‘Cranberry Cooler’ grown for 3 years in a College Station, Texas, field site after transplant from 9.3 L (#3) black plastic containers.
| Planting depthz | (m3) | Plant indexy |
|---|---|---|
| Below grade | 0.47 bx | |
| At grade | 1.39 b | |
| Above grade | 2.37 a |
↵zRoot collar 7.6 cm (3 in) below grade, at grade, or 7.6 cm (3 in) above grade.
↵yHeight × diameter within row × diameter between rows representing a volumetric estimate of the canopy.
↵xMeans followed by the same letter are not significantly different (P ≤ 0.05) using least squares means comparisons. Values represent the means of six plants per planting depth.