The top-dressing of fruit trees in summer is of vital importance in the annual growth of fruit trees. The implementation of this work is directly related to the economic benefits of orchards and the basis for high yields in the coming year. Top dressing at this time can provide nutrients needed for differentiation of flower buds of fruit trees, enlarge the fruit size, and promote fruit coloring and improve fruit quality. Generally, fruit growers start to top-dress fertilizers in the summer before bagging fruit trees. If the conditions are limited and the work is not completed, the top dressing immediately after bagging, the sooner the better, the later the fertilization, the worse the effect. Fertilizers should be dominated by phosphorus and potassium fertilizers, followed by topdressing of small amounts of nitrogen fertilizers, and appropriate supplements of calcium, magnesium, boron, zinc and other trace element fertilizers. Can be used under the combination of top dressing and foliar spray fertilizer, combined with fruit species, size, weather, lyrics and other factors to adjust the amount of fertilizer, so as not to cause damage.
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