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. 2019 Nov 18;10:1472. doi: 10.3389/fpls.2019.01472

Table 3.

Summary of the field measured height and OBIA-estimated height for the matched trees at field scale.

Months after planting Training systems* Minimum Maximum Range Average Standard deviation
Field data 15 Hedgerow 0.59 2.26 1.67 1.67a§ 0.37
Intensive 0.70 2.30 1.60 1.56b 0.28
27 Hedgerow 1.15 3.25 2.10 2.51a 0.30
Intensive 1.25 2.95 1.70 2.34b 0.31
OBIA data 15 Hedgerow 0.00 2.78 2.78 1.33a 0.55
Intensive 0.34 2.28 1.95 1.30a 0.39
27 Hedgerow 0.89 3.04 2.15 2.29a 0.32
Intensive 1.25 3.09 1.84 2.22b 0.34

*764 and 228 trees for hedgerow and intensive trials, respectively in 2017; and 794 and 243 trees for hedgerow and intensive trials, respectively in 2018.§ For each column and months after planting mean values followed by different letter are statistically different at p = 0.05 (analysis of variance (ANOVA) by a Tukey Honestly Significant Difference (HSD) range test).