Pear tree harvesting is an important period for tree nutrient accumulation and flower bud differentiation. Tree management in this period is very important. It promotes flower bud differentiation and improves the cold resistance of trees, which lays a solid foundation for the harvest and harvest in the coming year.
Clean up the orchard. When the leaves of the pear garden are basically finished, the leaves must be cleaned in time, the weeds should be removed, and they should be concentrated and buried or burned. The generals of the tree guards can disinfect the orchards and eliminate the wintering pests.
Shaped pull branches. At this time, the pull branch has the characteristics of easy pulling, fast setting, good slowing effect and high flowering rate. In autumn, the branches should be dominated by non-backbone branches, and the opening angle of the branches can be around 85, which can effectively alleviate the early results of the tree. For the opening angle of the backbone branch with a small opening angle, it can be controlled at 40-50, and the pear tree with a large age can appropriately increase the opening angle.
Lightly scrape the bark. There are many wintering pests in the bark bark and the skin, such as pears, red spiders, etc. In the winter, the bark can scrape out the insects and eggs hidden in the bark, and eliminate them to reduce the density of the next year. Scratch the skin to master the fruit tree light scraping, see the yellow and green bark. The thickness of the pear bark should be scraped and deep scraped to meet the red endothelium. Disinfect the scraped branches with the general guardian tree, and apply the callus anti-corrosion film to the scraped and scratched branches to make the wound heal quickly and avoid infection.
The trunk is painted white. The white height is preferably 1-1.3 meters. Preparation method of whitening agent: take 2 parts of quicklime, 0.1 parts of salt, 0.1 part of animal and vegetable oil, 0.2 parts of cow dung, 10 parts of water, firstly hydrated lime into lime milk, then add animal and vegetable oil and salt, stir well and add water, and Pour the ground cow dung into the mixture and serve. The amount of coating is preferably not downflow.
Potting frozen water. Before the soil is frozen, the whole garden should be filled with frozen water once, and the roots should be combined with roots to protect the roots from winter damage.
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