Answer: Combined with winter pruning to remove dry branches, diseased branches, weeds, diseased fruits, and insects in the garden should be cleaned up and burned or buried deeply in time. Because the eggs, larvae, pupae and spores and mycelium of many pests live on the litter and weeds. When more than 90% of the fruit trees have fallen leaves, dig a trench with a depth of 60 cm and a width of about 40 cm under the canopy, and bury the deciduous weeds in the trench together with topsoil. It not only eliminates overwintering pests in weeds and fallen leaves, but also increases organic fertilizer. Remove diseased fruits, insect fruits, and dead fruits from the tree, burn them together or bury them deeply, which can effectively reduce the overwintering base of aphids and other pests. When pruning, pay attention to protecting large wounds, and smear with fruit friend Pifu Kang. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of a third party are involved, please inform this website for processing. phone insufflation tubing, insufflation tubing set, laparoscopic insufflation tubing, insufflation component Ningbo Yaoming Medical Technology Co., Ltd. , https://www.yaomingmedical.com