Pear trees fertilize Mo in early spring

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 be 1 to 1.5 meters from the trunk, and the fertilization depth can be 10 to 20 centimeters.

The growth, flowering, and shoot growth of spring pears need to consume large amounts of nutrients. Therefore, the fertilizer should be applied in time to meet the needs of the tree for nutrients in order to improve the quality of flower buds and the rate of fruit set. 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.

After spraying buds of pears, the leaves are sprayed with 0.2%~0.3% of potassium dihydrogen phosphate solution or urea solution for 7 to 10 days, alternately sprayed for 2 to 3 times, and can be supplemented by foliar spraying. Calcium, magnesium, iron, zinc, boron and other trace elements.

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