Nutrients

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

Canola - Deformation

Symptoms
Symptoms of calcium deficiency are visible on younger leaves first. Starting from leaf tips and margins, they become pale green to grey brown. The lamina is shrivelled, ripped and shows a fluttering appearance. The young leaves of the top shoots are deformed and their tips are bent down.

Reasons
Calcium deficiency

Canola - Deformation

Symptoms
Symptoms of calcium deficiency are visible on younger leaves first. Starting from leaf tips and margins, they become pale green to grey brown. The lamina is shrivelled, ripped and shows a fluttering appearance. The young leaves of the top shoots are deformed, twisted, and bent down.

Reasons
Calcium deficiency

Canola - Deformation

Symptoms
The young leaves of the top shoots are deformed, twisted, and bent down. Flower stalks do not develop properly.

Reasons
Calcium deficiency

Canola - Deformation

Symptoms
Symptoms of calcium deficiency are visible on younger leaves first. Starting from leaf tips and margins, they become pale green to grey brown. The lamina is shrivelled, ripped and shows a fluttering appearance. The young leaves of the top shoots are deformed, twisted, and bent down. Flower stalks do not develop properly.

Reasons
Calcium deficiency (right).

Canola - Deformation

Symptoms
Symptoms of calcium deficiency are visible on younger leaves first. Starting from leaf tips and margins, they become pale green to grey brown. The lamina is shrivelled, ripped and shows a fluttering appearance. The young leaves of the top shoots are deformed, twisted, and bent down. Flower stalks do not develop properly.

Reasons
Calcium deficiency

Canola - Deformation

Symptoms
Symptoms of calcium deficiency are visible on younger leaves first. Starting from leaf tips and margins, they become pale green to grey brown. The lamina is shrivelled, ripped and shows a fluttering appearance. The young leaves of the top shoots are deformed, twisted, and bent down. Flower stalks do not develop properly.

Reasons
Calcium deficiency

Canola - Deformation

Symptoms
Symptoms of calcium deficiency are visible on younger leaves first. Starting from leaf tips and margins, they become pale green to grey brown. The lamina is shrivelled, ripped and shows a fluttering appearance. The young leaves of the top shoots are deformed, twisted, and bent down. Flower stalks do not develop properly.

Reasons
Calcium deficiency

Calcium deficiency made worse by

  • Acidic soils
  • Sandy or light soils (leaching)
  • Acid peat soils
  • Soils rich in sodium
  • Soils rich in aluminium
  • Drought conditions
  • Fruit high in nitrogen or potassium
  • Large fruit

Calcium is important for

  • Improved flowering and pod fill
  • Increased yield

Yara recommended fertilizers for Calcium

YaraVita® CALTRAC™

YaraVita® CALTRAC™

Oilseed Rape / Canola: 3 to 5 l/ha applied from the 4 to 9 leaf stage. Repeat as necessary at 10 to 14 day intervals. Water rate: 50 to 500 l/ha.

Read more about YaraVita® CALTRAC™