Nutrients

N Nitrogen
P Phosphorus
K Potassium
Mg Magnesium
Ca Calcium
S Sulphur
B Boron
Cu Copper
Fe Iron
Mn Manganese
Zn Zinc
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Strawberry - Deformation

Symptoms
Fruits are small with a dense cover of seeds at the fruit tip. Seed density also can be higher over the entire fruit.The fruit texture is hard and it is acid in taste.

Reasons
Calcium Deficiency Boron deficiency also results in small fruits, but they are bumpy.

Strawberry - Deformation

Symptoms
Young leaf blade is crinkled.

Reasons
Calcium Deficiency Calcium deficient leaf blades contain less than 0.2% calcium on dry basis. Boron deficiency causes similar symptoms at the leaf.

Strawberry - Deformation

Symptoms
Young leaf blade being crinkled.

Reasons
Calcium Deficiency Calcium deficient leaf blades contain less than 0.2% calcium on dry basis. Boron deficiency causes similar symptoms at the leaf.

Strawberry - Deformation

Symptoms
Young leaf with necrotic tips. The leaf blade is crinkled.

Reasons
Calcium Deficiency The so called tip-burn appears quite often during periods of rapid leaf growth. Calcium deficient leaf blades contain less than 0.2% calcium on dry basis. Boron deficiency causes similar symptoms at the leaf.

Strawberry - Deformation

Symptoms
Young leaf with necrotic tip. The so called tip-burn appears quite often during periods of rapid leaf growth. The leaf blade is crinkled. Calcium deficient leaf blades contain less than 0.2 % calcium on dry basis.

Reasons
Calcium Deficiency Boron deficiency causes similar symptoms at the leaf.

Strawberry - Deformation

Symptoms
Young leaf with necrotic tip. The so called tip-burn appears quite often during periods of rapid leaf growth. The leaf blade is crinkled. Calcium deficient leaf blades contain less than 0.2 % calcium on dry basis.

Reasons
Calcium Deficiency Boron deficiency causes similar symptoms at the leaf.

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

  • Stronger plants
  • Healthier plants
  • Gives plants more resistance to cold weather
  • Firmer berries
  • Increases storage potential and shelf life

Yara recommended fertilisers for Calcium

YaraVita STOPIT

YaraVita STOPIT

Strawberry (field grown): 3 applications of 10 l/ha from start of flowering. Repeat applications at 7 to 10 day intervals. Water rate: 300-600 l/ha.

Read more about YaraVita STOPIT

YaraTera CALCINIT

YaraTera CALCINIT

Strawberries (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced using the Yara Fertigation Plan, for more details contact your local Yara area manager.

Read more about YaraTera CALCINIT

Other recommended products

YaraVita BUD BUILDER FL
YaraVita BUD BUILDER FL
Strawberry (Field Grown)): 5 l/ha applied from green bud to just prior to start of flowering. Also, 5 l/ha post-harvest, pre-leaf senescence. Water rate: 200 to 500 l/ha.