EDDHA, is a chelate that protects nutrients against precipitation in a wide pH range: 4-10, which is higher than EDTA and DTPA in pH range. This makes the EDDHA-chelates suitable for alkaline and calcareous soils .EDDHMA-Fe and EDDHSA-Fe are also available.
Product Specification:
| Product | Appearance | Content | ortho-ortho | pH(1%solution) | Water insoluble |
| EDDHA Fe | Brownish red granule/Red black powder | 6% | 1.8-4.8 | 7.0-9.0 | ≤0.1% |
| EDDHMA Fe | Red black powder | 6% | 1.8-4.8 | 7.0-9.0 | ≤0.1% |
Package and Storage:
Packed in 25KG net per bag or according to the customer’ s request.
Store in a dry place at room temperature(below 25ºC/77ºF).
Recommended Dosage:
| Plants | Use frequency | Total Dose |
| Citrus | Rapid growth | 5-30g/tree |
| Spring fertilization | 5-30g/tree | |
| Autumn fertilization | 30-80g/tree | |
| Fruit Tree | Rapid growth | 5-20g/tree |
| Trophophase | 20-50g/tree | |
| Grape | Before the buds bloom | 3-5g/tree |
| Early iron deficiency symptoms | 5-25g/tree |
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