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. 2021 Apr 19;10(4):801. doi: 10.3390/plants10040801

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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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The PCA scatter plots, indicating distinct differences in the investigated parameters of mustard microgreens. B0R100, B10R90, B25R75 B50R50, B75R25, and B100R0: indicate the percentage of blue (B) and red (R) light.HL: hypocotyl length, RL: root length, LA: leaf area, SFW: shoot fresh weight, SDW: shoot dry weight, RFW: root fresh weight, RDW: root dry weight, P: phosphorus, K: potassium, Ca: calcium, Mg: magnesium, S: sulfur, Fe: iron, Zn: zinc, Mn: manganese, Cu: copper, B: boron, NO₃-N: nitrates, NO₂-N: nitrites, CHL: chlorophyll index, FLA: flavonoid index, ARI1: anthocyanin reflectance index, CRI2: carotenoid reflectance index, NDVI: normalized difference vegetation index, PRI: photochemical reflectance index, PSRI: plant senescence reflectance index, WBI: water band index. The significance level was set at p ≤ 0.05.