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How to maintain a good southern flower in the north is a problem often discussed by northern flower lovers. The author believes that if we want to cultivate southern flowers in the north, we must first understand the natural conditions of the southern origin of flowers, according to the ecological habits of various flowers, create a suitable environment for their growth, and then meticulous care with meticulous care. Must be able to make Huayi people willing to fight. Several issues that should be noted in the process of conservation of southern flowers in the north are listed below for reference. First, select the appropriate cultivation soil The southern cultivated southern flowers are mostly shipped from the south. The bare root seedlings should be immediately put on pots, with the original pots. After one year in the north, they should also be changed. What kind of soil is chosen for cultivation? According to the author's practice, the cultivation soil of southern flowers should be acidic or neutral, and the permeability should be better. As for what kind of soil should be used for different types of flowers, it should be treated differently. Such as the use of plain sand sandy white orchids, azaleas are best with the gentleman blue soil, Milan, gardenia, jasmine can be used rot leaf soil, pastoral soil, crude river sand mixed in a ratio of 5:3:2 prepared into cultivation soil, but before use must be Disinfected. Second, the control of good temperature and light southern flowers like warm environment, the temperature is too high or too low are not conducive to its growth. According to the author's experience, all kinds of flowers are best in the spring after the rainy season. At this time, not only is there no night cream, but the temperature is relatively stable, and the temperature difference between day and night is not great. In the fall of October, various types of flowers can enter the room one after another. However, the room must be completed before the next frost. The general order is: Prynne, Michelia, Rhododendron, Gardenia, Milan, Jasmine, Osmanthus, Generations, Kumquat. The room temperature in winter must be maintained between 10°C and 18°C. The temperature difference between day and night is generally 4°C to 6°C. The temperature is too low to be subjected to freezing injury. If the temperature is too high, it will affect dormancy and consume nutrients, which is not conducive to flowering in the coming year. The insulation work after the early spring is also very important, there are many fans of flowering is to ignore the insulation of the early spring, resulting in many flowers over the winter but not spring. Of course, with the increase of temperature, it is very necessary to properly open the window for ventilation and hardening seedlings, but it is not possible to cut off the heat source all at once, otherwise it is easy for the plants to catch a cold, and even worse, “wreckedâ€. In the summer, temperatures in the northern regions are high, and when the temperature exceeds 30°C, flowers such as azaleas are dormant, and they should be kept in a cool and ventilated place. If they are in the greenhouse, they should be shaded, sprayed, humidified, and ventilated and ventilated. To reduce the temperature, Milan, Prynne, Scorpion, and Jasmine are growing seasons and flowering periods, as long as the water can keep up, not exposure to the sun, is not afraid of high temperatures, can safely summer. Illumination control is a key to the cultivation of Nanhuabei. In general, southern flowers are hi light, but they are afraid of direct light. The northern part of the country is arid and less rainy in the summer, and ultraviolet radiation is stronger. Therefore, it is very important to properly shade it, but it is also not appropriate to overshadow it. Overshadowing is not good for it. Embryonic buds bloom, even if the flowers are not fragrant. Scorpions, Milan, Jasmine, Prynne, etc. should cover 50% of the light, in particular, to avoid direct light at noon, if not shade, easy to plant leaves yellow, Jiaobian. From spring to mid-May and after mid-September, all kinds of flowers can accept full-day sunshine. In winter, they should be kept indoors to enhance the light. Third, to strengthen the management of water and fertilizer Most southern flowers are like the wet environment, but they are generally afraid of embarrassment. Therefore, to water them, one must master the degree, and second, master the water quality. The time and frequency of watering should be treated differently depending on the season. Generally, the number of watering before and after the Mid-Autumn Spring is the same (refers to the outdoor maintenance). The water can be poured every 3 days, and in the summer, it needs to be poured every morning and evening. Once permeable, but cloudy or rainy days should be less watering or not watering, such as by the rain, it should also promptly drained water in the basin to waterproof big rot. In winter, it is necessary to control the watering and keep the basin soil wet. What needs to be mentioned is that Du Fu should control the watering during the flowering period. The flowering period of Prynne, Milan, and Jasmine is in summer, and the water demand is relatively large. As mentioned above, it should be poured once every morning and evening. The water in the north is more alkaline, and it is easy to use soil for long-term use. Plants have yellowing disease. Households can use rainwater or snow water that is retained, but large amounts of conservation are not appropriate. Therefore, it is very important to improve water quality. The main measure for improving water quality is to add appropriate amount of ferrous sulfate or edible white vinegar to the water so that the water reacts acidic. In addition, because the weather in the north is relatively dry, the plants should be sprayed frequently. First, the humidity of the air can be effectively increased. Second, the dust on the leaves can be washed away, which is beneficial to the photosynthesis of the plants. Generally, once in spring and autumn, once every two days in winter and once every two days in summer, winter spray should pay attention to water temperature and time. It should be sprayed when the temperature is high at noon, and the water temperature should be close to room temperature. Fertilizer should be followed by the practice of "fertilizing with thin fertilizers and fertilizers." It is absolutely forbidden to apply concentrated fertilizer and raw fertilizer. To fertilize flowers in the south, it is best to use liquid fertilizer, which can be diluted with fermented, sesame butter stalks, horseshoe pieces, and soaked in water. It is applied every 10 days during its growth period, and can also be used alternately with potassium dihydrogen phosphate. Nutritional balance, but also to make flowers large colors, in addition to rhododendrons, Pranense, Milan and other summer flowering flowers, but also according to the number of buds, adjust the frequency of fertilization, timely supply of nutrients needed for its flowering, but after fertilization Look for water in a timely manner. Winter generally does not apply fertilizer.