Fertilizer water supply
Soil management: high temperature in summer, high soil humidity, pear orchards are prone to weeds, conditional orchards can be covered with orchards, that is, after the wheat is harvested, wheat straw is used to cover the tree tray of fruit trees, 1000-1500 kg per acre of grass, grass covered The thickness is preferably about 20 cm. After mulching grass, sprinkle soil on the grass to prevent fire.
Fertilizer and water management: In June, a special fertilizer for fruit trees with phosphorus and potassium as the main supplement and nitrogen as supplement is applied once before flower bud differentiation. The plant is applied with 1 to 1.5 kg, and water is applied immediately after fertilization. It can also be sprayed with 1 to 2 amino acid compounds on the tree. fat. In July, after the early-maturing varieties were harvested, a quick-acting nitrogen fertilizer was applied once to supplement the nutrition of the fruit trees.
Timely prevention and treatment of scab
Black spot disease is an important disease with strong epidemic and great harm. It generally manifests from the flowering stage to the mature stage of fruit trees. The high temperature season provides favorable conditions for the spread of the disease. Due to the high temperature and high temperature in summer, the black spot pathogens are mostly in the incubation period. In order to avoid being infested by the pathogens, they must be sprayed with Bordeaux liquid for protection before the rain, and then spray 50% Tumorit 800-1000 times after the rain. liquid. At the same time, it is necessary to apply nitrogen, phosphorus, potassium compound fertilizer to increase the fruit expansion rate.
Remove the quality of dense branches
The removal of dense branches is very important for pear tree management in summer, and it has a significant impact on improving fruit quality and yield. For densely closed pear orchards, overdense branches or branches in the middle and upper parts of the crown should be removed in a timely manner. Adult pear orchards should be pruned with new shoots and diseased branches. Young orchards should be protected and topped in time to promote the formation branch. For densely packed and lengthy inner-branched branches, ring-cutting and ring-cutting methods should be used to grow over-promoted branches, excluding the peripheral upright growing branches and turning them into fruiting branches, thereby improving the tree's ventilation and light transmission conditions. Increase the application of organic fertilizer and adjust the load to improve the resistance of the tree. At the same time, spray 0.3% urea or 0.3% potassium dihydrogen phosphate to enhance the disease resistance of the leaves.
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