Iron deficiency vs. healthy plant-Maize

Symptoms
Symptoms of iron deficiency start on younger leaves. Plants show chlorotic leaves with interveinal stripes. When the deficiency becomes severe the veins also become chlorotic and plant growth is stunted.

Reasons
Iron deficiency Can be confused with manganese deficiency, but manganese deficiency is very rare in corn. Magnesium deficient plants also show interveinal chlorosis, but the symptoms start on older leaves.

Iron deficiency vs. healthy plant made worse by

High pH
Water logged soils
Calcareous soils
High copper, manganese or zinc soils

Iron is important for

Healthy green foliage
Improved yield and grain quality

Yara recommended fertilizers for Iron

YaraTera CHELATE 1089

Maize: Apply 2 kg/ha before planting (can be coated on pre-plant fertilizers) and a further 1 kg/ha at 3, 5, 7 weeks after planting.

YaraTera CHELATE 1090

Maize: Apply 2 kg/ha before planting (can be coated on pre-plant fertilizers) and a further 1 kg/ha at 3, 5, 7 weeks after planting.

YaraTera REXOLIN E13

YaraVita TRI-PHOLATE

Maize: Apply 2-3 kg/ha at 4-6 leaf stage. Apply a further 1 kg/ha just prior to flowering. Water rate: 200 l/ha for tractor driven sprayer. 100,000 l/ha for application through irrigation system.