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 berry quality
- Reduction of grape stalk necrosis
- Improved berry firmness and storage potential
Yara recommended fertilizers for Calcium
YaraVita STOPIT
Grapevines: 5-10 l/ha at 7 to 10 day intervals from fruit set to one week before harvest. Water rate: 500-1000 l/ha.
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