Manganese deficiency - Broccoli

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Nutrients

Broccoli - Chlorosis

Symptoms
Young leaves show yellogreen mottling, caused by interveinal chlorosis. Leaf blades are enlarged.

Reasons
Manganese deficiency Over-liming, the occurrence of very loose, highly aerated soils and also drought render Mn less available. Crops grown in high organic matter, in peat soils or substrates also suffer from poor Mn availibility.

Broccoli - Chlorosis

Symptoms
Young leaves show yellogreen mottling, caused by interveinal chlorosis. Leaf blades are enlarged.

Broccoli - Chlorosis

Symptoms
Young leaves show yellogreen mottling, caused by interveinal chlorosis. All leaves are a paler green than normal. Leaf blades are enlarged.

Reasons
Manganese deficiency (right) Over-liming, the occurrence of very loose, highly aerated soils and also drought render Mn less available. Crops grown in high organic matter, in peat soils or substrates also suffer from poor Mn availibility.

Manganese deficiency made worse by

Organic soils
Sandy soils
High pH
Cold wet periods
Fluffy soils

Manganese is important for

Boosts growth
Ensures good crop quality with high sugar and vitamin C contents

Yara recommended fertilizers for Manganese

YaraVita MANTRAC PRO

Broccoli: 1 l/ha from 4-6 leaf stage. For moderate to severe deficiency, repeat applications at 10-14 day intervals. Water rate:200 l/ha.

Other recommended products

YaraVita BRASSITREL PRO

Broccoli: 3 to 4 l/ha as early in the growing season as possible, provided there is adequate leaf cover to intercept the spray (e.g. 4 to 6 leaf stage). Repeat as necessary at 10 to 14 day intervals up to one month before harvest. Water rate: 200 l/ha.

YaraVita CROPLIFT PRO

Broccoli: 2.5 to 5 kg/ha. Repeat at 10 to 14 day intervals as necessary. Water rate: 200 l/ha.