1. After deep-soiling the jujube fruit, it is timely to deeply plunge into the soil under the tree. Generally, it can be deep-turned 10-50cm. This measure can reduce the damage of 20 species of pests, such as Ziziphus majus, Juvenile Mosquitoes, Red spider mites and Prunus persicae. 2. Clearing the leaves before entering the winter Before the jujube leaves fall, timely cleaning of deciduous weeds and thorough incineration can reduce the source of bacteria and insects. 3. The jujube tree scrapes the skin of the jujube tree in the winter and scrapes the bark together to burn it. It can eliminate the pests that have passed winter in the trees. In addition, lime sulfur is sprayed again before entering the winter to have a good effect on the control of wintering pathogens and pests. Small O2 N2 Generator,Nitrogen Generation System,Nitrogen Machine,O2 Generator Hangzhou Zhongju air separation equipment manufacturing Co., Ltd , https://www.hzzjkfzz.com