Fig. 8From: Nitrogen and phosphorus stress as a tool to induce lipid production in microalgaeProductivity of lipids of different strains of Chlorella vulgaris during cultivation in media with different nitrogen content. Compiled from Converti et al. [109], Rodolfi et al. [103], Griffiths et al. [93], Mujtaba et al. [112], Abdo et al. [111], Hamedi et al. [110], Sonkar & Mallick [34], Wong et al. [68]. Nitrogen content calculated as NO3-N g L− 1Back to article page