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When is the best time to apply potassium fertilizer to apple trees?
When is the best time to apply potassium fertilizer to apple trees? What is the purpose of applying potassium fertilizer to apples? Applying potassium fertilizer to apple trees at the right time and in the right amount can significantly increase fruit size, raise sugar content, improve coloring, and also make the fruit color vivid, the skin smooth and clean, and improve internal qualities such as flavor and taste. The uptake of potassium by apple trees is generally from early July...