Fig. 3. Fitted log-linear model of hydraulic conductivity as a function of for a Walla Walla silt loam using the modified Klaij and Vachaud method (MKV) and four water release curves (WRC): WRC1 (log₁₀K() = 9.34–4.05, r² = 0.54, SEE = 0.71); WRC2 (log₁₀ K() = 12.39–5.60, r² = 0.67, SEE = 0.67); WRC3 (log₁₀ K() = 13.29–5.54, r² = 0.67, SEE = 0.72); and WRC4 (log₁₀ K() = 22.55–12.12, r² = 0.73, SEE = 1.05). Outside lines represent the 95% confidence interval for the linear regression equation.

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