Nutrients

N Nitrogen
P Phosphorus
K Potassium
Mg Magnesium
Ca Calcium
S Sulphur
B Boron
Cu Copper
Fe Iron
Mn Manganese
Mo Molybdenum
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Cauliflower - Chlorosis

Symptoms
Interveinal fields of younger leaves brighten whereas the veins remain green. With ongoing deficiency youngest leaves turn completely yellow. Leaves are smaller than normal.

Reasons
Manganese deficiency

Cauliflower - Chlorosis

Symptoms
Symptoms of manganese deficiency are yellow mottling between leaf veins and crinkling of the young and medium leaves. Furthermore leaves roll or curl upwards. With ongoing deficiency the youngest leaves turn completely yellow.

Reasons
Manganese deficiency on leaves

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

YaraVita MANTRAC PRO

Cauliflower: 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.

Read more about YaraVita MANTRAC PRO

Other recommended products

YaraVita MANTRAC DF
YaraVita MANTRAC DF
Cauliflower: 3 kg/ha from 4 true leaves. For moderate to severe deficiency, repeat applications should be made at the above rate at 10 to 14 day intervals. Water rate: 200 l/ha.