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Ranges of nitrogen and phosphorus content in microalgae cultivation media
| Designation | N* g L− 1 | Designation | Р** g L− 1 |
|---|---|---|---|
| replete -N | ˃0.4 | replete -Р | ˃0.2 |
| moderate -N | 0.4–0.2 | moderate -Р | 0.2–0.02 |
| moderate N-limitation | 0.19–0.1 | moderate Р-limitation | 0.019–0.01 |
| strong N-limitation | ˂0.1 | strong Р-limitation | ˂0.01 |
| without nitrogen | 0 | without phosphorus | 0 |
* Source of nitrogen NO3− or NH4+
** Source of phosphorus РO4−
