Figure 6.

Sensitivity analysis for the effect of hydraulic conductivity on growth-sustaining Ψ. The PEWS model was used assuming radial and longitudinal hydraulic conductivities equal to 1.3 × 10⁻⁹ m² s⁻¹ MPa⁻¹ (A), 1.3 × 10⁻¹⁰ m² s⁻¹ MPa⁻¹ (B), and 1.3 × 10⁻¹¹ m² s⁻¹ MPa⁻¹ (C). [See online article for color version of this figure.]