Magnesium deficiency-Cauliflower

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Nutrients

Cauliflower - Chlorosis

Symptoms
Symptoms of magnesium deficiency start on older leaves. Chlorosis between the veins progresses from the margins to the middle of the leaflets. The veins remain green and white respectively. Severe deficiency leads to necrotic spots between the veins. Old leaves are stiff and prematurely fall down.

Reasons
Magnesium deficiency

Magnesium deficiency made worse by

Sandy soils
Acidic soils
Potassium rich soils
Soils receiving high potash applications
Cold wet periods

Magnesium is important for

Increases photosynthetic activity maintaining good growth for high yields
Improves storage quality

Yara recommended fertilizers for Magnesium

YaraVita MAGFLO 300

Cauliflower: 4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 30 to 200 l/ha.

Other recommended products

YaraVita MAGPHOS K

Cauliflower: 4 l/ha applied at the 4 to 6 leaf stage soon after transplanting. Water rate: 30 to 200 l/ha. Also, when grown as a seed crop: 5 l/ha applied during the seed maturation phase. Water rate: 50 to 200 l/ha.

YaraTera KRISTA MAG

YaraTera KRISTA MgS