A plant having yellow leaves with dead spots has the deficiency of __________.

Potassium

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Magnesium

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Nitrate

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Phosphate

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Solution

The correct option is C Magnesium
Without sufficient amounts of magnesium, plants begin to degrade the chlorophyll in the old leaves. Its main symptom is chlorosis or yellowiing of leaves. It is a plant disorder that occurs most often in strongly acidic, light, sandy soils, where magnesium can be easily leached away.

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