Post-harvest pear tree management
Deeply turn over the tree tray , there are many germs and pests that pass through the winter in the soil. During the dormant period, the deep turn, the insects, crickets and crickets that are overwintering in the soil are turned to the ground and frozen, or deep into the soil, so that they cannot Unearthed. Â When cleaning 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. After the clearing of the garden, spraying the stone sulfur mixture in the whole garden can eliminate the wintering pests and increase the soil fertility of the pear orchard. Â Bark the bark , there are many wintering pests in the bark bark and the skin, such as pear small heartworm, red spider, etc. In winter, the bark can scrape out the insects and eggs hidden in the bark, and eliminate it, reducing The density of insects in the coming 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. Be careful not to hurt the phloem when you are scratching. Â The trunk is painted white , and the white height is preferably 1-1.3 meters. White-formulated: Take 2 parts of lime, 0.1 parts salt, 0.1 parts of animal or vegetable oil, 0.2 parts of cow dung, 10 parts of water, into the first open water lime lime milk, animal and vegetable oils and then adding salt, add water, stir, and Pour the ground cow dung into the mixture and serve. The amount of coating is preferably not downflow. Â Frozen irrigation water, in the soil frozen before, the whole garden irrigation once frozen water, in order to protect the roots from freezing. Â Chemical control, pest heavier pear, pear leaves after 1 spray of 45% lime sulfur crystals 100 times, killing the pests just entering a period of dormancy, reduce pests and diseases base next spring. Â Â
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