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. 2021 Nov 28;10(12):2608. doi: 10.3390/plants10122608

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Correlation circle of variables on the principal two components for all investigated parameters during 2019 (a) and 2020 (b). NoL: Number of leaves, PH: Plant height, RL: Root length, RFW: Root fresh weight, SFW: Shoot fresh weight, PDW: Plant dry weight, LA: Leaf area, SC: Stomatal conductance, DMY: Dry matter yield, GY: Grain yield. Color gradient corresponds the quality of representation of the variables using the cos² of its coordinates. Blue arrows show the projection of the supplementary dependent variables.