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The means of Fe, Mn, Cu and Zn analyses in forage from farms in Categories 2 and 3 with the means of the calculated Fe/Mn ratios included (see also legend to Figure 2).*
| Category | log(Fe) | log(Mn) | log(Fe/Mn) | Cu | Zn |
|---|---|---|---|---|---|
| 2 | 5.27 | 4.27 | 1.00 | 7.09 | 26.6 |
| 3 | 5.19 | 4.32 | 0.87 | 7.24 | 26.3 |
| SED | 0.086 | 0.068 | 0.095 | 0.27 | 0.99 |
*The total number of samples was 1308 and the farms were located in Areas II, III, V and VI.
SED: Standard error of difference.
