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Fig. 3 | New Zealand Journal of Forestry Science

Fig. 3

From: Modelling of root reinforcement and erosion control by ‘Veronese’ poplar on pastoral hill country in New Zealand

Fig. 3

Root distribution curves at different distances from the tree stem and model calibration results. Points indicate measurements, and coloured lines show the results of the calibrated model: a 1-year-old poplar; b, c 2-year-old poplar (the data in b and c were split to allow a better visualisation of the data). Dashed lines show the 95 % confidence interval of the model results. The number of fine roots is given per linear metre of soil trench width

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