Iron

Iron

Iron  - - Soil. Organic and Natural Products - Fertilizer
Iron - Soils. Organic and Natural Products - Fertilizers
Iron (Fe) in Soil - pH is a very important factor in interpreting iron tests. In addition, crops vary a great deal in sensitivity to iron deficiency. Normally a medium level would be adequate for most soils. If iron is needed it would be best applied foliar.
Soil Trace elements include : iron (Fe), manganese (Mn), copper (Cu) and zinc (Zn).
pH
Nitrogen (N)
Phosphorus (P)
Potassium (K)
Calcium (Ca)
Magnesium (Mg)
Sulphur (S)
Copper (Cu)
Iron (Fe)
Manganese (Mn)
Zinc (Zn)
Sodium (Na)
Boron
Salt Salinity
N-P-K  -
Soil
Fertilizer Soil Iron 2025
Synergistic role of potassium fertilizer and kinetin in mitigating iron toxicity and enhancing yield in lowland rice Nature
Rust to Riches: How Iron Oxides Supercharge Soil for Better Crop Growth SciTechDaily
Tiny fertilizer, big impact: nanoparticles rival traditional phosphates in plant growth EurekAlert!
Soil solubility of iron fertilizers Golf Course Management magazine