Note that calcium supplementation is the key period for apple trees to prevent bitter acne through calcium supplementation after the apple blossoms die and before bagging. Generally, calcium supplementation should be 2 to 3 times at an interval of about 10 days. Pay attention to phosphorus supplementation from late May to mid-June, when new shoots stop growing, the roots of fruit trees begin to grow for the second time, which is also the peak of flower bud differentiation and the critical period of nutrition for fruit trees. Reasonable phosphorus supplementation can promote roots. Growth and differentiation of flower buds. Timely thinning of fruits in time can make the fruit trees load reasonably, and it is advisable to retain 11,000 to 13,000 fruits per mu. Bagging 30-40 days after flowering, spray fertilizer before bagging. Do a good job of summer pruning. In addition to removing the extra upright branches on the back, the long branches in the inner chamber and the outer competition branches, the young and prosperous trees also need to adopt a variety of turning techniques and ring cutting, such as topping, twisting branches, and holding branches. Various engraving techniques such as girdling. Insect pest control From late May to mid-June, when scale insect nymphs start to crawl out of the hard shell, spray insecticide in time. Protecting natural enemies can prevent apple mites. Intertillage and weeding Intertillage can remove weeds, increase soil organic matter, improve soil fertility, deepen the cultivation layer, and promote root growth. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of a third party are involved, please inform this website for processing. phone One-click Video Measuring Machine- Horizontal One-click Video Measuring Machine (horizontal) : ⑦ Powerful software processing system and accurate algorithm, to obtain high precision measurement results. One-click Video Measuring Machine- Horizontal ,One Button Fast Measuring Instrument Horizontal Type,High Precision Fast Detector ,Fast Detector ,Fast Splicing Detector Zhejiang dexun instrument technology co., ltd , https://www.dexunmeasuring.com
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