Araucaria is a famous ornamental tree in the world. It has a crown-shaped tower. Branches are drooping and simple. Just like a girl is slim and beautiful. This tree native to Norfolk Island in Oceania and the islands in northeastern Australia is widely distributed throughout the world. Sex hi warm and humid subtropical climate, hi light, avoid direct sunlight, chills, fear of drought, suitable for fertility in well-drained sandy loam soil. Araucaria is used for potted planting in China except for South China, and its seedlings are used more often, because large seedlings over 1 meter in height tend to slip off the bottom, which reduces the ornamental value. When planting pots, appropriate flower pots should be selected according to the size of the seedlings. Although it is happy, it is afraid of the sun. Every year in May-October, pay attention to the shade or place it on the north side of the building to give a bright diffuse light as well. When the high temperature is dry, spray the water on the environment and plants to reduce the temperature and humidify the watering. Do not wait until the soil is dry and then poured. Fertilizers are preferably used alternately with organic and inorganic fertilizers. The growing season is applied 2-3 times a month. . If Araucaria is placed indoors for viewing, it should be regularly moved to the environment to take care of it. Because the indoor air is relatively dry, ventilation and light are relatively poor, so that a long time, it will make the leaves yellow, soft sags lack vitality. The length of the interval between rotations should be determined according to the circumstances, and it is usually appropriate to rotate every 2-3 weeks. After entering the room in late October, give a certain light, the temperature is not less than 5 °C, but not too high, basin soil should be more humid, not too dry, sunny weather should also spray water to increase humidity. Araucaria can be used for sowing or cutting. The seedlings cultivated using the geography method are strong, strong and vigorous, and are suitable for bulk propagation. The use of cuttings to reproduce more in June, the practice is to use the year when the lignification of woody or semi-lignified shoots 6-8 cm for cuttings, after the cover film moisturizing, about 2 months can take root. However, if cuttings from the cuttings are not taken from upright shoots, the branches will grow obliquely and not as strong as seedlings. China Agricultural Network Editor
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