First, rational fertilization and fertilization should be based on basal fertilizer, supplemented by top dressing. The basal fertilizer was applied from mid-September to mid-November after the autumn shoot-stop. Mushi 5000 to 7500 kg. The top dressing is mainly organic fertilizer. Before germination, 0.1 to 0.15 kg of nitrogen fertilizer is applied to each plant. After the fruit enlargement period, nitrogen, phosphorus and potassium compound fertilizers are topdressed for 0.1 to 0.2 kg per plant. In addition, the fertilizer is sprayed once every 10 to 15 days, such as spraying potassium dihydrogen phosphate and Liguo Meiye. Second, timely watering watering in the lock shed 1 times, after the shed to the ground to cover the film. Watering is required before flowering, growth of new shoots, fruit development, and fruit picking, but the humidity in the shed must be controlled. Third, regulate temperature and humidity 1. Germination period. Apricot trees are generally below 7.2°C, and dormancy can be broken by low temperatures from 500 to 900 hours. 15 days before the shed, the mulch is covered first, one can control the humidity, and the second can maintain the ground temperature, and then the shed is kept warm. The daytime temperature after the shed is maintained at 15°C～22°C and no lower than 3°C at night. The humidity in the booth is controlled at 80% to 85%. 2. Flowering period. Extremely high or low flowering temperatures can severely affect pollination and fertilization. The daytime temperature is maintained at 15°C to 20°C, and the maximum temperature is not to exceed 23°C. The nighttime temperature should not be lower than 7°C. If the temperature is lower than 5°C, manual heating is required. The humidity during flowering is controlled from 50% to 60%. When the humidity is too low, the ground sprays water; Do not water it for 1 week before flowering. 3. Fruit enlargement period. It is controlled at 25°C to 30°C during the day, at least 10°C at night, and the humidity is controlled at about 60%. This period can be watered. 4. Harvest period. Daytime control at 26 °C ~ 31 °C, night temperature around 10 °C. Humidity 50% to 60%. If the soil is not very dry during this period, it is best not to water it to prevent fruit quality from falling or cracking. 5 flower buds divided flowering period. After the apricot fruit is harvested, the margin can be set off. The temperature is about 28°C during the day and about 15°C at night. From late June to mid-July, when the temperature exceeds 34°C, it is unfavorable for the flower bud differentiation of apricot trees, which can cover the shade and promote flower bud differentiation. Fourth, light management Apricot tree hi light, should control the southern plant height. The use of non-drop film, spray water drops before use, and timely cleaning or washing the film and other measures to improve lighting in the shed. If the temperature permits, exposing grass as early as possible, and if there is no rain or snow on cloudy days, scattered light should be used. Fifth, pruning 1. Trim in time. Before the deduction of the membrane, pruning should be carried out in time to eliminate non-flowering branches, weak branches, dense branches and erect leggy branches in order to concentrate nutrients. 2. Fade bud topping. Immediately after budding to erase the back buds. When the new shoot grows to about 20 centimeters, it will be picked up to prevent overgrowth and affect the light, so as to relieve the competition between the shoot growth and fruit development, increase the fruit setting rate, and increase the number of fruit. 3. Control crown promotion flower. After topping the heart for 2 times, spray 15% paclobutrazol 250-400 times and spray 3-6 times; For the weak trees with more results, do not fight paclobutrazol. For the apricot trees with excessive nitrogen fertilizer, after paclobutrazol is used, the vegetative growth can not be controlled, and part of the tree root can be excavated and the summer shear strength can be increased to control the growth of the tree crown. Six, honeybee pollination or artificially assisted pollination VII. Scientific fruit thinning When the apricot flower decays, after the first physiological fruit-fall period, it is necessary to carry out fruit thinning, dredging and producing fruit, small fruit, malformed fruit, and excessive fruit until the hard core period (second After the secondary physiological fruit drop), the fruit was set. The standard is: long fruit sticks leave 5 to 8 fruit, middle fruit sticks to leave 4 to 6 fruit, short fruit sticks to leave 1 to 2 fruit. The upper branches and outer branches of the canopy stay more and the lower branches stay less, so that the fruits are evenly distributed in the crown. Eight, foliar spray fertilizer and hormones, improve the apricot fruit grades in the apricot fruit set to the fruit expansion period, in addition to the root dressing, the high yield of the garden should also be sprayed on the foliage 3 to 6 times foliar fertilizer and 1 ~ 2 hormones. Foliar fertilizers and hormones include: Liguomei, potassium dihydrogen phosphate, urea, and large fast expansion. Spraying foliar fertilizers, hormones, and pesticides can, in general, be combined. However, it should be noted that individual pesticides and fertilizers and hormones cannot be mixed. When spraying, make the leaves uniform on the front and back, inside and outside the crown. Nine, to promote fruit coloring and maturation The main measure is to use hanging fruit branches, reasonable trim, shop reflective film three technical measures to improve light. The temperature difference between day and night during the fruit coloring period of 15°C to 18°C ​​is conducive to the promotion of coloration and maturation. Ten, disease prevention and cure pests Apricot tree pests are mainly perforation, anthrax, physiological diseases and aphids, mites and so on. The specific prevention and control method is to spray the whole plant 1 to 2 times with 5 Baume degrees of lime sulfur after the baiting, spraying 80% of Dasheng M-45 or 70% thiophanate-methyl 600 times every 10 to 15 days after flowering. Liquid, even spray 3 to 5 times. For physiological diseases, we must prevent and treat the causes of the disease. Such as common yellowing disease when iron deficiency, lobular disease when zinc deficiency, small fruit disease when phosphorus and potassium are lacking, can be sprayed with soil ferrous sulfate, zinc sulfate, potassium dihydrogen phosphate, etc. Prevention. When aphids and ticks occur, 10% imidacloprid 2000 times solution and 15% dacetanone 1500 times solution can be used for spraying control. Ningbo DOKEE Medical Technology Co., Ltd. , https://www.dokeemedical.com