Table 1: Results of Two-Way ANOVA Statistical Analysis

Variation Cause df Sum of Squares Mean Square F P
Treatment (T)  3 7115.638 2371.879 215.062 .00001
Disinfection (D)  1 2699.327 2699.327 244.752 .00001
T x D  3  725.346  241.782 21.922 .00001
Error 72  794.072  11.028
Total 79  11334.384

General mean = 19.578; variation coefficient = 16.963%