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Table 4 Within-treatment variability in the Potter Tower and Track Sprayer

From: Comparative analysis of the Potter Tower and a new Track Sprayer for the application of residual sprays in the laboratory

Potter Tower

Track Sprayer

Average

Measured

Difference

Deviation (%)

Average

Measured

Difference

Deviation (%)

27.5

14.4

13.1

47.6

29.1

33.1

− 4.0

− 13.7

23.6

3.9

14.4

26.2

2.9

9.8

34.6

− 7.1

− 25.9

24.9

4.2

14.4

37.3

− 9.8

− 35.8

32.3

− 3.2

− 11.1

30.2

18.4

11.8

43.1

32.2

34.3

− 2.1

− 6.5

23.6

6.6

23.9

34.2

− 2.0

− 6.2

33.3

− 3.1

− 11.4

30.7

1.5

4.8

45.3

− 15.1

− 55.0

29.7

2.5

7.7

32.2

31.7

0.5

1.9

33.1

34.4

− 1.3

− 3.9

52.9

− 20.7

− 75.3

33.3

− 0.2

− 0.7

24.5

7.7

27.8

33.2

− 0.1

− 0.4

19.5

12.7

46.0

31.6

1.5

4.6

  1. The deviation from the mean (< 10%) is calculated as a metric of calibration for the Potter Tower and was assigned to the raw data for both sprayers