Effect of turf competition and fertilizer application on trunk diameter of ‘Skyline’ honeylocusty
Treatment | New growth 1980 (cm) | Total growth 1980-81 (cm) | Total diameter increase % |
---|---|---|---|
Fertilizer (g/tree) | |||
Nitroform 227 | 0.18 | 1.27 | 53.2 |
454 | 0.20 | 1.31 | 54.5 |
ProGrow 278 | 0.24 | 1.27 | 51.2 |
556 | 0.26 | 1.09 | 48.4 |
Control | 0.24 | 0.83 | 33.2 |
Turf clearing | |||
yes | 0.24 | 1.18 | 49.0 |
no | 0.21 | 1.13 | 46.6 |
LSD (5%) | |||
FTz | n,s. | 0.16 | 19.0 |
TC | n.s. | n.s. | n.s. |
FT × TC | n.s. | n.s. | n.s. |