Key points of Summer Management of Big Cherry
1. Soil, fertilizer and water management Cherry fruit development period is short, need nutrient concentration, pay attention to pre-flowering, fruit development period and after fruit picking, autumn topdressing, the first time to nitrogen fertilizer mainly combined with phosphorus and potassium fertilizer, the second time to phosphorus and potassium fertilizer mainly, after fruit picking to compound fertilizer mainly, can also apply decomposed human excrement, decomposed bean cake water (soil miscellaneous fertilizer to autumn application is good), this fertilization is conducive to flower bud differentiation, improve the yield of the next year. Irrigation should be carried out after fertilization, from flowering to fruit ripening, if the weather is dry, pay attention to irrigation to ensure adequate water supply, and pay special attention to drainage in rainy season. 2. The main technical measures of summer pruning of cherry include picking, twisting, taking branches, thinning branches, etc. Summer pruning is used to weaken the growth potential of branches, promote the formation of short branches and fruit early.① Thinning branches is mainly carried out after fruit picking, thinning out large branches and over-dense twigs that affect ventilation and light transmission and have no reserve value, and improving ventilation and light transmission conditions. 2. Topping should start from the middle of May, leaving 5~7 leaves for every 20~ 25cm long on the back branch once, extending the head of the main branch, leaving 40cm for every 50~ 60cm long on the lateral branch, stroking the branch opening angle on the trunk and leaving 60~ 70cm for every 80~ 90cm long. 3. Diseases and insect pests control of cherry mainly include dry rot, gum disease, root cancer disease, early defoliation disease, root rot, etc. Leaf and fruit diseases can be controlled with fungicides such as thiophanate-methyl and mancozeb. In rainy season, Bordeaux mixture has good control effect; root diseases should be scraped off in time, and 10~20 times of excellent sterilization should be applied for disinfection. Cherry main pests are caterpillars, thorn moths, leafhoppers and pear net bugs, according to the occurrence of pests, spraying mefenuron, imidacloprid, volume easy to clear and other pesticides for control.
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Early High-yield and High-quality cultivation techniques of Big Cherry
For a long time, it has been generally believed that big cherries bear fruit late and have low yield, unlike other fruit trees, which can be cultivated in early high yield. In fact, this is only an illusion caused by the long-term use of traditional cultivation and management techniques. Since the late 1990s, our county has adopted free spindle pruning, together with spring sprouts, autumn twigs, and so on.
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Introduction of dragon fruit
The dragon fruit, which originated from the tropical rain forest of Central America, is a plant of the genus Opuntia and Ophiopodiaceae. It was introduced into Southeast Asian countries and Taiwan by the French and Dutch. The dragon fruit has a deep historical relationship with religious culture, which can be found near the American Mayans, Inca pyramids and Vietnamese temples in Asia.
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