Iron EDTA 12% provides iron in EDTA-chelated form for correction of iron deficiency chlorosis on neutral to slightly alkaline soils (pH 6–11). Iron is essential for chlorophyll synthesis, electron transport in photosynthesis, and numerous enzyme reactions in the nitrogen and sulphur cycles.
Iron deficiency (iron chlorosis) appears as yellowing of young leaves with green veins — because iron is not mobile within the plant, deficiency first appears in actively growing tissue. Common on calcareous soils, overwatered conditions, high phosphorus soils and high bicarbonate irrigation water.
Iron EDTA is more effective than ferrous sulphate on neutral-pH soils. However, for strongly alkaline soils (pH > 7.5), Fe-EDDHA is recommended for soil application as it has superior stability in high-pH conditions.
| Iron (Fe) as EDTA | 12.0% min |
| EDTA content | 44% min |
| Water Solubility | Complete |
| pH stability | 6–11 |
| Moisture | 0.3% max |
| Form | Fine yellow-brown powder |
| Heavy Metals | <10 ppm |
| Foliar Spray | 0.5 g per litre |
| Soil Application | 1 kg per acre |
| Drip Fertigation | 500g per acre |
| Frequency | 2–3 applications at 10-day intervals |
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