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Experiment design.
| Items | Forms | 100% ITMs | OTMs | ||
|---|---|---|---|---|---|
| 30% | 45% | 60% | |||
| Fe, mg/kg | Amino acid-chelated | - | 24 | 36 | 48 |
| Sulfates | 80 | - | - | - | |
| Cu, mg/kg | Amino acid-chelated | - | 4.5 | 7 | 9 |
| Sulfates | 15 | - | - | - | |
| Zn, mg/kg | Amino acid-chelated | - | 19.5 | 29 | 39 |
| Sulfates | 65 | - | - | - | |
| Mn, mg/kg | Amino acid-chelated | - | 10.5 | 16 | 21 |
| Sulfates | 35 | - | - | - | |
ITMs, inorganic trace minerals; OTMs, organic trace minerals.
