Tomato length cm (Mean ± std)

Corn length cm (Mean ± std)

Time of measurement

Treated

Grey

Tap

Treated

Grey

Tap

14 ± 0.81

12.6 ± 2.05

13.3 ± 1.25

17.3 ± 2.05

12.3 ± 2.05

14 ± 0.82

2 weeks

19.7 ± 2.26

18.3 ± 1.25

21 ± 1.41

35.7 ± 1.69

21 ± 0.82

39.7 ± 1.25

4 weeks

1.41

1.45

1.58

2.84

1.71

2.06

GF