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Table 4 Summary of post hoc Tukey HSD test with respect to sites

From: Heavy metals in vegetables: screening health risks involved in cultivation along wastewater drain and irrigating with wastewater

Site (i)

Site (j)

Cadmium mean difference (i–j)

Cobalt mean difference (i–j)

Copper mean difference (i–j)

Iron mean difference (i–j)

1

2

−0.1278

−2.5056

9.6333*

−14.5556

3

−0.3167*

−33.3778*

7.5222*

−91.9944*

2

1

0.1278

2.5056

−9.6333*

14.5556

3

−0.1889*

−30.8722*

−2.1111

−77.4389*

3

1

0.3167*

33.3778*

−7.5222*

91.9944*

2

0.1889*

30.8722*

2.1111

77.4389*

  1. * Significant at p < 0.01
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