Summary of the measured nitrogen (N), phosphorus (P), and magnesium (Mg) concentrations, resulting fertilizer grade, and pH for the six fertilizer-P sources used in this study. Means (± standard error) are reported (n = 5), reproduced from Omidire, et al. [28].

Table 2: Summary of the measured nitrogen (N), phosphorus (P), and magnesium (Mg) concentrations, resulting fertilizer grade, and pH for the six fertilizer-P sources used in this study. Means (± standard error) are reported (n = 5), reproduced from Omidire, et al. [28].

Fertilizer-P Source^†	Nutrient Concentration			Fertilizer Grade^††	pH
Fertilizer-P Source^†	N	P	Mg	Fertilizer Grade^††	pH
	^{____________________}% ^{____________________}
MAP	10.7 (0.1)	20.9 (0.2)	1.5 (< 0.1)	11-48-0	4.37 (0.02)
DAP	18.1 (0.1)	18.3 (0.1)	0.7 (< 0.1)	18-42-0	7.32 (0.03)
TSP	< 0.1 (< 0.1)	18.2 (0.4)	0.6 (< 0.1)	0-42-0	2.42 (0.02)
RP	< 0.1 (< 0.1)	7.6 (0.1)	0.3 (< 0.1)	0-17-0	6.67 (0.04)
CPST	5.7 (0.2)	11.7 (0.2)	8.3 (0.2)	6-27-0	8.77 (0.13)
ECST	5.1 (0.2)	16.1 (0.3)	12.7 (0.3)	5-37-0	-^‡

^†Monoammonium phosphate (MAP), diammonium phosphate (DAP), triple superphosphate (TSP), rock phosphate (RP), chemically precipitated struvite (CPST), and electrochemically precipitated struvite (ECST); ^††Fertilizer grade is reported as N-P₂O₅-K₂O based on measured concentrations of N, P, and K; ^‡Limited supply of ECST prohibited pH determination.