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. 2019 Nov 18;10:1369. doi: 10.3389/fpls.2019.01369

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Copyright © 2019 Saloner, Sacks and Bernstein

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Effect of K supply on gas exchange in cannabis leaves. Net photosynthesis rate (A), transpiration rate (B), stomatal conductance (C), and intercellular CO₂ concentration (D) for two medical cannabis cultivars, RM and DQ. Presented data are averages ± SE (n = 5). Results of two-way ANOVA indicated as **P < 0.05, F-test; NS, not significant P > 0.05, F-test. The bars represent the LSD between means at P ≤ 0.05. In the ANOVA results K'G represents the interaction between K and genotype.