| Source of Variation | SS | DF | MS | F* | P-Value |
| Blocks (Rep) | 3,615,760,339 | 3 | 1,205,253,446 | 76.348 | 0.033 |
| K | 57,837,735.8 | 4 | 14,459,433.96 | 0.425 | 0.788 |
| Mg | 12,010,924.6 | 3 | 4,003,641.539 | 0.224 | 0.878 |
| K * Mg | 298,259,830 | 12 | 24,854,985.83 | 0.687 | 0.752 |
| Rep * K | 408,428,414 | 12 | 34,035,701.15 | 0.941 | 0.519 |
| Rep * Mg | 161,181,169 | 9 | 17,909,018.83 | 0.495 | 0.868 |
| Rep * K * Mg | 1,301,704,178 | 36 | 36,158,449.39 | 1.008 | 0.460 |
| Error | 1.148E+010 | 320 | 35,860,427.65 |
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| Total | 1.061E+011 | 399 |
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