Potassium Deficiency on Orange - Citrus

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6000-potassium deficiency on orange - citrus-main image

Sympton description

With potassium deficiency leaf margins of the older leaves turn pale yellow or sometimes bronze. With ongoing deficiency cholorosis spreads over the whole leaves.

Made worst 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.

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.

Cause description

Potassium deficiency

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