Deficiency Symptoms ABC

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Potassium deficiency (K)

Necrosis of leaf margins and especially leaf tips. Plants become easily desiccated and are markedly more susceptible to lodging.

Treatment: K deficiency is difficult to treat curatively and emphasis should be ensuring adequate soil K is available. Some foliar K products can help to alleviate temporary peak demand and/or deficiency.

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K+S Minerals and Agriculture worldwide