1. High-concentration fertilizer cannot be applied within 15 to 20 days after harvesting. 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. 15 to 20 days after harvesting, the tree body 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. Pear fruit should be sprayed with high-concentration pesticides within 15 to 20 days after harvesting at noon to avoid scalding 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 to 15 days and spray continuously for 2 to 3 times.
Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
Xi'an Healthway Biotech Co.,Ltd , https://www.xianhealthway.com