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. 2017 Feb 22;12(2):e0171996. doi: 10.1371/journal.pone.0171996

Table 1. Different N: P rations (mol: mol) in N starvation experiments.

Treatment NO3- (μmol L-1) PO43- (μmol L-1)
0 0 36
N:P = 1:1 55 36
N:P = 2:1 110 36
N:P = 4:1 220 36
N:P = 8:1 440 36
control 880 36