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Applying potassium fertilizer to grapes makes the fruit sweeter and larger
During the grape growing season, potassium fertilizer is mainly applied as a foliar spray, because it has many advantages such as rapid absorption, good fertilizer efficiency, and timely supply. Foliar potassium spraying can be carried out together with pest and disease control, which saves labor. Grapes are a potassium-loving fruit tree; under potassium-deficient conditions, applying potassium gives higher yield and higher sugar content than not applying it...