Pear tree fertilization in early spring

Increasing the application of organic fertilizer and the application of decomposed organic fertilizer can increase the content of soil organic matter, promote the regular flowering of pear trees, and reduce the occurrence of late flower and fruit fall. The amount of fertilizer should be flexibly controlled according to the soil fertility, tree age, variety, and yield of the pear orchard. Generally, pear orchards with an yield of 3,000 to 3500 kilograms are added. Each plant is added with 30 to 50 kilograms of rotten organic fertilizer in spring. Trees with root rot can be added. Fertilizer fertilizer, 10-15 kg per mu, water immediately after fertilization. Note that fertilizing in early spring is different from fertilizing in autumn. The fertilizing position should be 1 to 1.5 meters away from the trunk, and the fertilizing depth should be 10 to 20 cm.

Topdressing spring pear trees need a lot of nutrients to germinate, bloom, and shoot growth. Therefore, topdressing fertilizer should be applied in time to meet the nutrient requirements of the tree body to improve flower bud quality and fruit setting rate. The top dressing in this period is mainly fast-acting nitrogen fertilizer. Trees in the full fruit period apply 0.3 kg to 1.5 kg of urea, and the amount of fertilizer should account for 10% to 15% of the whole year. After flowering to the young fruit expansion period, a second fertilizer application was performed, mainly urea, and appropriate application of phosphorus and potassium fertilizers to meet the needs of young fruit expansion and new shoot growth.

Foliar spraying of pear trees after sprouting, foliar spraying of 0.2% to 0.3% potassium dihydrogen phosphate solution or urea solution, spraying 2 to 3 times alternately at intervals of 7 to 10 days, and can also be supplemented by foliar spraying Trace elements such as calcium, magnesium, iron, zinc, boron.

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