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. 2022 Jun 4;478(1-2):273–281. doi: 10.1007/s11104-022-05519-w

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Fig. 3 — Regression plot of DOC concentrations of exudate samples (n = 102, excluding samples from Zn and Fe deficient plants) calibrated based on wavelength specific absorbance (254 nm, 260 nm) and determined by a liquid TOC analyser. Coloured areas within dotted lines represent the 95% prediction interval, while area within the continuous lines represent the 95% confidence interval