Percent increase in height of Magnolia grandiflora as influenced by planting date, mulching, and fertilizer placement.
Sampling date | Planting time | Mulch | Fertilizer placement | |||||
---|---|---|---|---|---|---|---|---|
fall | spring | with | without | none | top | backfill | bottom | |
7/80 | 22.9 | 24.0 | 20.4 | 26.6*z | 18.9ax | 25.7b | 27.0,b | 22.4ab |
12/80 | 25.9 | 28.3 | 25.2 | 28.9 | 20.3a | 29.7b | 31.1b | 27.2b |
5/82 | 84.0 | 90.8 | 94.0 | 80.8* | 73.6a | 92.6b | 92.3b | 91.2b |