Citrus
  • Banana
  • Beans
  • Broccoli
  • Cabbage
  • Carrots
  • Chili
  • Citrus
  • Cocoa
  • Maize
  • Mango
  • Melons
  • Onions
  • Pepper
  • Potatoes
  • Rice
  • Sugarcane
  • Tobacco
  • Tomato

Nutrients

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

Citrus - Cracking

Symptoms
Cracking of the fruit.

Reasons
Calcium deficiency

Citrus - Cracking

Symptoms
Cracking of the fruit is a typical symptom of Ca deficiency.

Reasons
Calcium deficiency on fruit of orange

Calcium deficiency on orange 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

  • Leaves are properly formed and remain throughout cycle
  • Overall tree growth is more vigorous
  • Yield often increases
  • Fruit-size more regular and uniform
  • Better quality fruit
  • Better skins - less 'Albedo Breakdown' (creasing)