Nutrients

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

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

YaraVita MAGFLO 300

Cauliflower: 2-4 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: 200 l/ha.

Read more about YaraVita MAGFLO 300

Other recommended products

YaraVita MAGPHOS K
Cauliflower: 4 l/ha applied soon after transplanting. Water rate: 200 l/ha.
YaraTera KRISTA MgS
-