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Experiment design.
| Items | Forms | 100% ITMs | OTMs | ||
|---|---|---|---|---|---|
| 30% | 50% | 70% | |||
| Cu, mg/kg | Amino acid-chelated | 1.8 | 3.0 | 4.2 | |
| Sulfates | 6 | ||||
| Fe, mg/kg | Amino acid-chelated | 2.4 | 40 | 56 | |
| Sulfates | 80 | ||||
| Mn, mg/kg | Amino acid-chelated | 12 | 20 | 28 | |
| Sulfates | 40 | ||||
| Zn, mg/kg | Amino acid-chelated | 30 | 50 | 70 | |
| Sulfates | 100 | ||||
ITMs, inorganic trace minerals; OTMs, organic trace minerals.
