Top dressing: June top dressing is especially important. In this period, topdressing should be based on quick-acting fertilizers, highlighting potash and nitrogen fertilizers, and assisting phosphate fertilizers. It is necessary to grasp the critical period of flower bud differentiation and proceed as soon as possible. The purpose is to enrich the top buds and improve the quality of flower buds next year.

Foliar spray fertilizer: in the middle of June, the whole tree sprayed 1~2 times 300 times amino acid + sedkamp 6000 times + heavy calcium 1000 times or calcium lactate 800 times or Gayles 800 times, supplemented nutrition, promoted flower buds Differentiate and alleviate calcium deficiency diseases such as bitter pox disease and acne spot disease.

Underground top dressing: It is very important to apply nitrogen fertilizer in June, which is the maximum fertilizer efficiency period of nitrogen fertilizer. Based on quick-acting nitrogen fertilizer, appropriate application of phosphate fertilizer and potassium fertilizer.