Potassium deficiency on orange 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

  • Larger leaf area maintaining through season
  • Shoot growth more vigorous
  • Fruit load increase/benifit to yield
  • Fruit are larger with better colour, skin texture and flavouring (more acidity)
  • Level of vitamin C increases

Yara recommended fertilizers for Potassium

YaraTera KRISTA K PLUS

YaraTera KRISTA K PLUS

Citrus: Apply 300 kg/ha in multiple applications from growth stage; early fruit development to autumn flush. Refer to Yara crop program as a guide or contact your local Yara sales agronomist for advice.

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YaraTera KRISTA SOP

YaraTera KRISTA SOP

Citrus: Apply 75-150 kg/ha in multiple applications from growth stage; early fruit development to autumn flush. Refer to Yara crop program as a guide or contact your local Yara sales agronomist for advice.

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YaraMila COMPLEX

YaraMila COMPLEX

Citrus: Apply 550-750 kg/ha in multiple applications from growth stage; new flush to fruit bulking/maturity. Refer to Yara crop program as a guide or contact your local Yara sales agronomist for advice.

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UNIKA KALI

UNIKA KALI

Citrus: Apply 150-200 kg/ha at growth stage; autumn flush.

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K-FLOW 4-0-12

K-FLOW 4-0-12

Citrus: Apply 960 l/ha in multiple applications from growth stage; early fruit development to autumn flush.

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