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
- Strong cell wall formation and thus for plant and fruit integrity
- Fruit development, fruit quality
- Prevention of Blossom End Rot, a physiological disorder, and promotion of plant health