1、 Before flowering

Before fruit trees bloom, it is necessary to apply fruit protection drugs, which can improve the probability of fruit setting, increase the yield of fruit trees and reduce the probability of fruit falling. Growth regulators can be used to regulate the growth of fruits, mainly < a href=“ https://www.baidu.com/s?wd=%E8%B5%A4%E9%9C%89%E7%B4%A0& ; tn=SE_ PcZhidaonwhc_ ngpagmjz& rsv_ dl=gh_ pc_ Zhidao "> the concentration of gibberellin < / a >, naphthylacetic acid and so on does not need to be too high. In addition to the use of growth regulators, trace elements should be supplemented, the most important of which is boron, which can effectively promote the germination of pollen, help to complete fertilization, and can also be mixed with sugar

2、 After falling flowers

In the 7-10 days after the flowers wither, it is necessary to take a medicine to prevent diseases and pests, reduce the possibility of diseases and pests and remove the hidden dangers. The specific drug types should be selected according to the types of fruit trees, such as < a href=“ https://wenwen.sogou.com/s/?w=%E7%9F%B3%E7%A1%AB%E5%90%88%E5%89%82& ; ch=ww. xqy. Chain "> stone sulfur mixture < / a > this kind of medicine has good effect and low cost

3、 Fruit expansion stage

In the period of fruit expansion, it can be sprayed with zhuangguodiling once, which can make the fruit pedicle thicker and improve the amount of nutrient transport. In the later stage, it can prevent the fruit from falling or lead to abnormal fruit