Iron deficiency-Onions | Yara Malaysia

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Nutrients

Onions - Chlorosis

Symptoms
Under extreme deficiencies, leaves become completely chlorotic and bleached.

Reasons
Iron Deficiency Onions seem to be not susceptible to Fe deficiency.

Iron deficiency made worse by

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

Iron is important for

Chlorophyll formation and photosynthesis
Improved yield and quality
High requirement