Technical specifications of organic iron fertilizers Fertilizer type Organic iron Dosage for fields and fields 3 to 4 liters per hectare Consumption for orchards and fruit trees 2 to 3 liters per hectare Minimum order From 5 liters to 20 liters Compounds Nitrogen: 6% - Iron clusters: 4% - Organic carbon and organic humic: 4% - Distilled water and proprietary formulation: 86%