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. 2016 Jan 19;11(1):e0146623. doi: 10.1371/journal.pone.0146623

Table 1. Chemical composition of surface waters used.

Date of water collection
Chemical componenta Units 5-13-15 5-26-15 6-3-15 6-17-15 7-20-15
Na meq/L 1.43 1.48 1.48 1.48 1.52
Ca meq/L 6.49 5.99 5.74 6.04 6.54
Mg meq/L 2.14 2.06 2.14 2.14 2.22
HCO3 meq/L 5.28 4.89 4.69 5.16 5.38
Cl meq/L 1.80 1.44 1.44 1.52 1.58
Fe mg/L 0.04 0.04 <0.04 <0.04 <0.04
Mn mg/L <0.01 <0.01 <0.01 <0.01 <0.01
P mg/L 0.07 0.09 0.10 0.10 0.16
K mg/L 1.4 1.3 1.3 1.3 1.6
NO3 mg/L <2 <2 <2 <2 2
SO4 mg/L 89 87 88 88 93
B mg/L 0.05 0.06 0.07 0.06 0.07
Dissolved solids mg/L 666 616 601 639 674
Adjusted SARb mg/L 0.96 1.00 0.99 1.00 1.01
TSSc mg/L 56 288 92 92 40
Turbidity NTU 0.32 0.69 0.32 0.52 0.40
ECd dS/m 0.94 0.90 0.89 0.92 0.95
pH 8.1 8.1 8.1 7.9 8.2
Strains assayed MS2 QB SP GA All environmental

a Analysis performed by A & L Western Agricultural Laboratories, Inc, Modesto, CA

b SAR: sodium adsorption ratio

c TSS: total suspended solids

d EC: electrical conductivity.