. 2021 Apr 12;6(16):10527–10536. doi: 10.1021/acsomega.0c04665

Table 2. Analysis of Variance of Quadratic Model for C-PC, APC, and PE Production.

	sum of squares	df	mean square	F value	p-value
C-PC (% w/w) R² = 0.963
(A) NaNO₃ (g/L)	14.8568	1	14.8568	8.58584	0.004262	significant
(B) Na₂CO₃ (mL/L)	0.0187	1	0.0187	0.01078	0.917518
(C) K₂HPO₄ (mL/L)	10.4787	1	10.4787	6.05572	0.015707	significant
(D) micronutrients (mL/L)	106.0142	1	106.0142	61.26643	<0.000001	significant
BC	28.2680	1	28.2680	16.33630	0.000109	significant

APC (% w/w) R² = 0.964
(A) NaNO₃ (g/L)	0.20976	1	0.209755	0.96771	0.327804
(B) Na₂CO₃ (mL/L)	3.48559	1	3.485587	16.08083	0.000122	significant
(C) K₂HPO₄ (mL/L)	0.03979	1	0.039794	0.18359	0.669296
(D) micronutrients (mL/L)	6.29052	1	6.290518	29.02143	0.000001	significant
BC	2.49803	1	2.498033	11.52472	0.001011	significant

PE (% w/w) R² = 0.926
(A) NaNO₃ (g/L)	0.143036	1	0.143036	4.81829	0.030649	significant
(B) Na₂CO₃ (mL/L)	0.174440	1	0.174440	5.87615	0.017281	significant
(C) K₂HPO₄ (mL/L)	0.087924	1	0.087924	2.96178	0.088580	significant
(D) micronutrients (mL/L)	1.448332	1	1.448332	48.78810	<0.000001	significant
BC	0.185073	1	0.185073	6.23430	0.014289	significant