After the apple is set, the young fruit is in a period of rapid development, and within a month after flowering, the young fruit cell divides rapidly, and the nutrients stored in the tree for one year have been consumed, and the leaves and spring shoots are growing rapidly Nutrient demand is large. Therefore, the addition of water and fertilizer is extremely critical during this period. Ways to improve apple quality Fruit shape after flowering to 25 days after flowering is an important period related to apple fruit shape. In addition to the variety characteristics, the height of apples is also greatly related to the temperature and nutrient supply during this period. If the temperature is higher, or the nutrient supply is broken, it is not conducive to the vertical growth of young fruit. Therefore, supplementing water and fertilizer once in early May is conducive to the formation of large fruits. The torus of an apple flower organ will bear fruit in the future. After the fruit is set, the number of cells in the torus is only 2 million, and then the cells divide rapidly after obtaining sufficient nutrients. After about two weeks after flowering, they can basically divide to reach 85% of the total number of cells. 40 days after flowering, the number of fruit cells has basically been fixed and will not continue to divide. Therefore, if the nutrients after flowering are insufficient, it will affect the division of young fruit cells and make the fruit very small. What fertilizer is good after flower During this period, the elements that need attention are nitrogen, calcium, and boron, but the elements that are easily overlooked are phosphorus, potassium, and zinc. Seeds and cell division are inseparable from phosphorus. Without phosphorus, cell division is hindered. Therefore, supplementing fertilizer after flowering requires supplementing nitrogen, phosphorus, potassium, calcium, zinc and boron. Supplementary time Due to the frost, hail and other disasters in many places this year, it has a greater impact on fruit setting. Therefore, it is recommended that affected orchards can be supplemented with fertilizers before fruit thinning this year, and the fruit thinning work can be postponed. For fruit orchards whose output is not affected, it is recommended to thin fruit early and set fruit early, and apply fertilizer immediately after fruit set. Do not delay this fertilization until two weeks after the flowering. Replenishment quantity is recommended to apply 20-20-20 acres of water-soluble fertilizer per mu, plus 10-20 jins of functional fertilizers containing trace elements such as calcium zinc boron containing amino acids and humic acid. For fruit growers, it is not recommended to apply water-soluble fertilizers with unit price over 10 yuan per catty. Apple is a perennial crown crop, and the soil conditions are complex, and the ultra-high-quality water-soluble fertilizer has a low cost performance. It is also not recommended to apply ordinary compound fertilizer, which has low utilization rate and great harm to the soil. Disclaimer: Some articles of this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for processing. phone Fast Shipping Laser Distance Sensor Hi there, sensor lidar,laser measurement,laser measuring equipment,range of radar Chengdu JRT Meter Technology Co., Ltd , http://www.rangesensors.com
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