Nutrients

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

Carrots - Discolouration

Symptoms
Potassium deficiency causes reddish foliage discoloration, starting on older leaf margins.

Reasons
Potassium deficiency

Carrots - Discolouration

Symptoms
Potassium deficiency causes reddish foliage discoloration, starting on older leaf margins.

Reasons
Potassium deficiency

Carrots - Wilting

Symptoms
Older leaves show interveinal chlorosis an subsequent paling and wilting.

Reasons
Potassium deficiency

Potassium deficiency made worse by

  • Acidic soils (low pH)
  • Sandy or light soils (leaching)
  • Drought conditions
  • High rainfall (leaching)
  • or heavy irrigation
  • Heavy clay (illite) soils
  • Soils with low K reserves
  • Magnesium rich soils

Potassium is important for

  • Essential for high yielding
  • High requirement