Nutrico - Potassium
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POTASSIUM
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DEFICIENCY SYMPTOMS
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Mottles Chlorosis, necrosis (especially at tips and margins between veins)
Older leaves most affected
In cereals, weak stalks, roots more susceptible to disease
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MADE WORSE BY
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High rainfall – leaching of soils
Soils with high illite-type clay minerals
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ROLE IN PLANT NUTRITION
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Enzyme activator and coenzyme functions
Protein synthesis
Stomata function, turgor potential
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