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)

Yara recommended fertilizers for Calcium

YaraLiva CALCINIT

YaraLiva CALCINIT

Citrus: Apply YaraLiva CALCINIT @25kg/acre (0.8 kg/day/acre) at fruit set stage (46-75 days) @30kg/acre (0.5kg/day/acre) at fruit development stage (76-135 days)

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YaraLiva NITRABOR

YaraLiva NITRABOR

Citrus: Apply YaraLiva Nitrabor @ 250-300 g/plant(soil application) at Pre-flowering stage. Apply YaraLiva Nitrabor @ 200 -250 g/plant (soil application) at Flowering to fruit setting stage.Apply YaraLiva Nitrabor @ 200 -250 g/plant (soil application) at When fruit is around 2 cm in size stage.

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