Nutrients

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

Carrots - Growth retardation

Symptoms
Inadequate supply of boron causes reduction of germination and seedling growth.

Reasons
Boron deficiency

Carrots - Chlorosis

Symptoms
Newly emerging leaves show a yellowgreen, chlorotic tint.

Reasons
Boron deficiency

Boron deficiency made worse by

  • Sandy soils
  • Alkaline soils
  • Soils low in organic matter
  • High levels of nitrogen
  • High levels of calcium
  • Cold wet weather
  • Periods of drought

Boron is important for

  • Stabilization of plant tissues and improved plant and crop strength, working together with Ca
  • Increased crop quality and yield, bright coloration
  • Moderate requirement