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. 2019 Nov 14;10:1475. doi: 10.3389/fpls.2019.01475

Figure 3.

Figure 3

The PCA scatterplot, indicating distinct differences in metabolites and mineral elements in mizuna (A), broccoli (B), and kohlrabi (C) microgreens. BR—blue (447 nm), red (638 and 665 nm), far-red (731 nm); BRG—BR with supplemental green (520 nm); BRY—BR with supplemental yellow (595 nm); BRO—BR with supplemental orange (622 nm). Total PPFD maintained at 300 µmol m-2 s-1, changing the input of red 665 nm.