Carrots - Growth retardation
Symptoms
Root size is severely reduced.
Causes
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
- Structure, stability and permeability of cell membranes
- Regulation of enzyme systems
- Alongside potassium responsible for regulation of stomata
- Gives plants more resistance to biotic and abiotic stress
Yara recommended fertilisers for Calcium deficiency
YaraLiva TROPICOTE
Carrots: 330 kg/ha prior to or immediately post-drilling
Read more about YaraLiva TROPICOTEYaraVita STOPIT
Carrot: 2 to 3 applications of 5 l/ha at 10 to 15 cm stage or when sufficient leaf area to intercept spray. Allow 10 to 14 day intervals between applications. Water rate: 200 l/ha.
Read more about YaraVita STOPIT
