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Fig. 3 | BMC Plant Biology

Fig. 3

From: Testing for terrestrial and freshwater microalgae productivity under elevated CO2 conditions and nutrient limitation

Fig. 3

The contents of carotenoids of the four selected terrestrial new green algal strains in full medium or under limited macronutrient supply, at ambient or 15% CO2 aeration in liquid culture. Growth conditions: AC, complete liquid medium aerated with ambient CO2; CC, complete medium and aeration at 15% CO2; A-P and C-P, aeration with ambient and 15% CO2 at phosphate limitation; A-N and C-N, aeration with ambient and 15% CO2 at nitrogen limitation. Data are expressed as mean ± SD from experiments performed in quadruplicate

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