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
Organic fertilizer substitution increased soil organic carbon through the association of microbial necromass C with iron oxides ScienceDirect.com
Rust to Riches: How Iron Oxides Supercharge Soil for Better Crop Growth SciTechDaily
Alleviation of Fe-induced chlorosis of soybean plants grown in calcareous soil by a freeze-dried iron fertilizer containing siderophores produced by Rhizobium radiobacter ScienceDirect.com
Soil solubility of iron fertilizers Golf Course Management magazine