Table 4 Results of two way ANOVA test for heavy metal levels in vegetables harvested from wastewater-irrigated urban vegetable farming sites

138.56^***

67.17^***

7.75^***

107.86^***

330.23^***

21.32^***

100.90^***

56.60^***

19.73^***

54.79^***

250.25^***

20.44^***

66.08^***

313.59^***

17.60^***

32.05^***

168.79^***

7.67^***

22.61^***

59.37^***

3.36^***