. 2016 Jul 25;2016:1785938. doi: 10.1155/2016/1785938

Table 1.

Effect of nitrogen concentration on growth of Spirulina maxima.

Nitrogen concentrations as NaNO₃	Biomass (dry weight g/L)							LSD^a
Nitrogen concentrations as NaNO₃	Zero time	3	6	9	12	15	18	LSD^a
1.25 g/L	0.456	0.641	0.918	1.251	1.421	1.694	1.948	0.11
2.5 g/L control	0.462	0.932	1.234	1.657	1.869	2.245	2.456	0.16
5.0 g/L	0.455	1.421	1.891	2.361	2.457	2.961	3.456	0.21
LSD^b	0.13	0.14	0.12	0.15	0.23	0.34	0.36

Mean values of three replicates, LSD.

a: Least Significant Difference between any two means of time. b: Least Significant Difference between any two means of concentration.