1. Pear fruit can not be applied with high concentration of fertilizer within 15~20 days after harvest. The recovery period of the tree body is 15 to 20 days after harvest. When the tree body energy is not restored, the application of high-concentration fertilizer causes the normal life activities of the tree to be destroyed, and it is easy to produce physiological leaves.
2. In the 15~20 days after harvesting, the pears should not be chemically weeded before the tree body energy is restored. In particular, the weeds should not be sprayed with glyphosate. After the weeds are sprayed with glyphosate, they will form in order to survive. The situation of pear grass vying for water; secondly, the weeds are killed by the spray of glyphosate, causing the surface area of ​​the pear garden to be exposed to sunlight to increase, thus affecting the water absorption of the pear trees, causing physiological loss of water and leaves.
3. Sprinkle high-concentration pesticides at noon high temperature within 15~20 days after harvesting, so as not to burn the leaves.
4. Farmers with conditions after harvesting of pear fruit can be covered with grass, green rice straw and other straw under the pear tree.
5. After the pear fruit is harvested, spray the nutrient solution on the foliar surface, that is, 1 g of 2.4-D to 50 kg of water, plus 0.3% urea and 0.3% potassium dihydrogen phosphate. Spray once every 10~15 days and spray continuously for 2~3 times.
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