Agricultural control of pear orchard

Mainly apply organic fertilizer and inorganic compound fertilizer to enhance the disease resistance of trees, worsen the nutrition of piercing and sucking pests, control the application rate of nitrogen fertilizer, restrain the reproduction of plant-eating mites, aphids and other pests, and reduce the harm of diseases such as ring rot and scab; pay attention to water control and drainage in the later period of the growing season to prevent excessive growth, so as to avoid serious freezing injury and rot; strict thinning of flowers and fruits, reasonable load, and keeping the tree momentum strong. Scrape off the warped bark and old skin of the branches before germination, remove the dead branches and fallen leaves, and eliminate the overwintering diseases and insect pests; remove the leaves and fruits of diseases and insect pests early in the growing season, combine pruning and cut off the branches of diseases and insect pests; plant beneficial plants between the rows of pear trees and around the pear orchard to increase species diversity, improve the effectiveness of natural enemies and control the occurrence of secondary diseases and insect pests; do not mix with other fruit trees such as apples and peaches so as not to aggravate the harm of secondary diseases and insect pests Juniper is not planted in the park in order to effectively prevent the epidemic of rust.