Parameters

Sampling sites

Dargala

Bogo

Gazawa

Pette

Maroua I

Maroua II

Maroua III

Mean

pH

4.53 ± 0.01^a

4.74 ± 0.05^a

4.66 ± 0.01^a

4.52 ± 0.05^a

4.58 ± 0.01^a

4.25 ± 0.01^a

4.06 ± 0.01^a

4.48 ± 0.01

Total acidity (%)

0.63 ± 0.00^a

0.62 ± 0.02^a

0.61 ± 0.02^a

0.63 ± 0.01^a

0.63 ± 0.00^a

0.63 ± 0.04^a

0.65 ± 0.01^a

0.63 ± 0.00

Conductivity (µS∙cm⁻¹)

412.33 ± 92.63^b

707.66 ± 9.81^c

683.0 ± 16.52^c

618.33 ± 8.02^c

352.0 ± 40.95^a

482.33 ± 1.15^b

351.0 ± 36.39^a

515.23 ± 17.4

Total sugar (g∙L⁻¹)

57.17 ± 0.27^c

54.28 ± 0.04^b

56.09 ± 0.54^c

53.83 ± 0.13^b

53.70 ± 0.13^b

51.25 ± 0.18^a

61.37 ± 0.18^d

55.39 ± 3.12

Soluble solids (˚Brix)

9.93 ± 0.15^a

9.76 ± 0.06^a

9.60 ± 0.10^a

11.86 ± 0.06^b

11.66 ± 0.28^b

9.96 ± 0.06^a

12.43 ± 0.75^c

10.74 ± 0.14