Iron Deficiency in Azalea (Rhododendron sp.) | Plant Nutrient Deficiency Database (NutDef) | Plant Information Databases | Environmental Horticulture Department | College of Agricultural and Life Sciences | UF/IFAS
Greenhouse & Floriculture: How to Prevent Iron Deficiency in Iron Inefficient Greenhouse Crops | Center for Agriculture, Food, and the Environment at UMass Amherst
Iron Deficiency Chlorosis - Soybean Disease - Soybean Research & Information Network - SRIN