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How to scientifically apply potassium fertilizer during the middle and late stages of grape growth
Potassium fertilizer is very important throughout the entire growth period of grapes, especially during fruit development when the demand is even greater. Therefore, grapes are known as a "potassium" crop. Potassium fertilizer can promote grape fruit enlargement and ripening, improve variety quality and storage tolerance, promote branch thickening and maturation, and enhance their cold resistance, drought resistance, high...