Four points in the management of apple orchard before winter
Before the winter, Shi Mingfei Han Mingyu told reporters that the first step of winter management was carried out after fruit picking. After the fruit is harvested, the orchard without the base fertilizer should be immediately applied to the autumn base fertilizer. Because the temperature is still high, the application of the base fertilizer is not only beneficial to the root system absorption and utilization, but also conducive to the recovery of the root, thus the second year of tree development and flowering. The result is a guarantee. Fertilization can be carried out by applying a circular groove. The circular groove with a depth of about 40 cm and a width of about 40 cm can be dug in the canopy projection, and then a layer of agricultural fertilizer can be landfilled.
Filling the frozen water Han Mingyu said that it is necessary to enclose the frozen water, mainly to meet the physiological needs of the tree, and at the same time, it is beneficial to prevent pumping and improve flower bud differentiation, and thus improve the fruit setting rate next spring. He suggested that mechanical irrigation can be used in areas with good water supply, and irrigation can be done in areas with poor water source conditions and inadequate irrigation equipment.
Spraying the stone sulphur mixture, the garden with many diseases and insects should spray a 3 to 5 degree sulphur mixture on the trunk from the end of October to the beginning of November, which can protect the trunk and have a combination of red spiders and scale insects. Kill the effect.
Han Mingyu, who cleans the orchard, said that the work of the Qingyuan should wait until the leaves of the fruit trees are completely defoliated, and then thoroughly clean the whole garden once, and concentrate the diseased branches and fallen leaves together or burn them to eliminate the pests and wintering places to reduce the occurrence of pests and diseases in the next year. .
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