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. 2019 Dec 24;9(1):31. doi: 10.3390/plants9010031

Figure 2.

Figure 2

(a,b) Growth curves of C. vulgaris cultivated at four different ratios (I420–520/I580–680) (a) and at four different artificial irradiations with white and red LED lamps in the bioreactor (in μmol photons m−2 s−1) (b). The error bars represent the standard deviation of the means.