Zinc deficiency-Onions | Yara Latvija

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Nutrients

Onions - Deformation

Symptoms
Zn deficient plants are stunted and have twisted, outward bending leaves

Reasons
Zinc Deficiency Young plants are particularly sensitive to Zn deficiency. Problems are more common on high pH or calcareous soils or during cold, wet weather.

Onions - Deformation

Symptoms
Zn deficient plants are stunted and have twisted, outward bending leaves. Younger leaves have a faint chlorosis and yellow striping. (Photograph: garlic)

Reasons
Zinc Deficiency Young plants are particularly sensitive to Zn deficiency. Problems are more common on high pH or calcareous soils or during cold, wet weather.

Zinc deficiency made worse by

Organic soils
High pH soils
Soils rich in phosphorus
Soils receiving high phosphorus application
Cold wet conditions

Zinc is important for

Photosynthesis
Function of growth regulators for internode elongation
Improved seed germination and seed yield
Improved bulb yield