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. 2022 May 5;22(9):3510. doi: 10.3390/s22093510

Figure 1.

Figure 1

(a). set-up of the plant bed which was used for producing lettuce and other greens; and (b). a set-up of an array of interconnected fish tanks which served as a nutrient source for these plants in Texas US Farms, Grimes, TX, USA.