First, pay attention to the calcium supplement apples before flowering and before bagging, which is the key period for apple trees to prevent bitter pox through calcium supplements. Generally, calcium supplements should be 2-3 times, with an interval of about 10 days. Second, timely fruit thinning timely fruit thinning can make a reasonable load of fruit trees, the amount of fruit retention per mu is suitable for 11,000-13,000. Bagging 30-40 days after flowering, spray fertilizer before bagging. Third, pay attention to phosphorus supplementation from late May to mid-June, the new shoots stop growing, the root of the fruit tree begins to grow for the second peak period, and it is also the peak period of flower bud differentiation, which is also the nutritional critical period of fruit trees. Promote root growth and flower bud differentiation. It is recommended to use Mr. Guo's high-phosphorus (10-52-10 + TE) water-soluble fertilizer, real materials, good quality and low price. Fourth, do summer shears Summer shears in addition to rid of the extra upright branches on the back, long bored branches and peripheral competition branches, young and prosperous trees also need to take topping and twisting branches, take branches and other diversification techniques and ring Cutting, ring stripping and other cutting techniques. 5. Cultivation and weeding Cultivation can remove weeds, increase soil organic matter, improve soil fertility, and deepen the tillage layer to promote root growth. 6. Prevention and control of insect pests. When the scale insect nymphs start to crawl out of the hard shell, spray insecticide in time. Protecting natural enemies can prevent apple mites. The six-pointed thrips, small bugs, black ladybugs, predatory mites and lacewings are the main natural enemies of pest mites. When there are many natural enemies, there is no need to spray insecticides and acaricides. It is recommended to let the orchard grow grass naturally and regularly cut it manually to enrich the natural enemies to control the mites. 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 Sea Salt Nasal Irrigator,Sea Salt Rinser,Medicinal Nasal Spray,Nasal Cleansing Spray JIANGSU JIANLAIBANG MEDICAL EOUIPMENT CO.,LTD , https://www.jsjlbmed.com