Study on Mechanism Experiments and Evaluation Methods for Water Eutrophication

Table 4

L₉ (3⁴) orthogonal experiment range analysis of the maximum standing crop of algae.

Number	Light intensity (lx)	Water temperature (°C)	TN (mg/L)	TP (mg/L)	chl_a/(µg/L)
1	6000	20	0.5	0.05	9.3
2	6000	28	2	0.2	34.3
3	6000	35	4	0.1	29.8
4	12000	20	2	0.1	21.7
5	12000	28	4	0.05	36.7
6	12000	35	0.5	0.2	36.1
7	18000	20	4	0.2	28.2
8	18000	28	0.5	0.1	44.1
9	18000	35	2	0.05	37.1
	24.467	19.733	29.833	27.7
	31.5	38.367	31.033	32.867
	36.467	34.333	31.567	31.867
	12	18.634	1.734	5.167