Zinc deficiency - Broccoli

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Nutrients

Broccoli - Shortening of internodes

Symptoms
Zn deficiency results in stunted growth with shortened internodes.

Reasons
Zinc deficiency (right) Zn deficencies are more common on high pH or calcareous soils or during cold, wet weather. Symptoms are more intense where soil temperatures are low and growing conditions are slow.

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

Structural and functional element of many enzymes
Important for internode elongation and photosynthesis
Increases sugar and Vitamin C contents
Higher stress tolerance

Yara recommended fertilizers for Zinc

YaraVita ZINTRAC 700

Broccoli: 1 l/ha at the 4 to 9 leaf stage. Water rate: 200 l/ha.