Spring is the beginning of the annual growth cycle of pear trees and is the basis for the whole year. How the situation in the spring management is concerned is directly related to the growth and development of the pear tree and flowering and fruit setting. Therefore, it is of great importance to lose no time to do a good job of spring management and adopt appropriate pest and disease control measures to capture the bumper fruit harvest. Increasing organic fertilization and increasing organic fertilizer application can increase soil organic matter content, promote the flowering of pear trees, and reduce the occurrence of fruit drop and fruit drop in the later period. The amount of fertilizer should be flexibly controlled according to the fertility, age, variety, and yield of the pear orchard soil. Generally, the pear garden with a yield of 3,000 to 3,500 kilograms per mu is used. Each plant grows 30 to 50 kilograms of decomposed organic fertilizer in the spring, and a tree with a root rot can be added. Fertilizer, 10 to 15 kilograms per mu, watered immediately after fertilization. Note that early spring fertilization is different from autumn fertilization. The fertilization location should not be within 1 meter from the trunk and should be 1 to 1.5 meters from the trunk. The fertilization depth should not be too deep, 10 to 20 centimeters. It is necessary to consume a large amount of nutrients for spring budding, flowering, and shoot growth of pears. Therefore, fertilizers should be applied in time to meet the needs of tree nutrients in order to improve flower bud quality and fruit set rate. During this period, topdressing nitrogen fertilizers are mainly available. In the fruit period, urea is applied in 0.3 to 1.5 kg of urea, and the amount of fertilizer should be 10% to 15% of the whole year. After flowering, the second fertilizer is applied to the expansion of young fruit. The main fertilizer is urea, and appropriate phosphorus and potassium fertilizers are used to meet the needs of young fruit expansion and new shoot growth. Foliar spraying fertilizer after germination in early April, spraying 0.2% ~ 0.3% of potassium dihydrogen phosphate solution or urea solution, interval 7 ~ 10 days, alternate spraying 2 ~ 3 times, but also through the leaf spray Apply calcium, magnesium, iron, zinc, boron and other trace elements. Tetanus Shot,Tetanus Vaccine,Hepatitis B Injection,Hep B Vaccine FOSHAN PHARMA CO., LTD. , https://www.forepharm.com