Cultivation of Chinese parasol trees
Sycamore, also known as Qingtong, is a deciduous tree of the genus Indus of the sycamore family. The crown is oval, the trunk is straight, the bark is green and smooth, and the lateral branches are stout and emerald green.
Indus is a positive tree species, like warm and humid climate, widely distributed in China, cold tolerance is not strong, can grow on acidic, neutral and calcareous soil. Deep-rooted, stagnant water is easy to rot roots, which can be killed by waterlogging for 3 to 5 days in high temperature season. The growth is fast and the life span is long. Leaves grow late, but leaves fall early. Leaves, flowers, roots and seeds can be used as medicine, and seeds can also be fried and pressed for oil.
Commonly used sowing method of propagation, cutting, root division can also be. Harvest when the fruit is ripe in autumn, dry and thresh in the same year and sow in autumn, or it can be stored in sand to sow in spring the following year. The row spacing of strip sowing is 25 cm, and the thickness of covering soil is about 1.5 cm. The sowing rate is about 15 kilograms per mu. Sand Tibetan seeds germinated neatly and germinated 4 to 5 weeks after sowing. Dry storage seeds often germinate unevenly, so you can soak the seeds in warm water before sowing to accelerate germination. Under normal management, the height of seedlings in the same year can reach more than 50 cm, and they will be planted and cultured in the next year. Three-year-old seedlings can come out of the nursery. The planting site should be selected in the high and dry place, and the base fertilizer should be applied in the hole. After drying, the saw should be sealed with wax. Pay attention to parasol planthopper, frost moth, thorn E and other insect pests, which can be controlled by petroleum emulsion, dichlorvos, dimethoate, methamidophos and so on. In the north, young trees should be bandaged with straw rope to keep out the cold in winter. Fertilize once in winter and once in early spring.
Sycamore is easy to cultivate, simple to manage and save water. With luxuriant branches and leaves and thick green shade, it is legendary because of the legend of Indus introducing Phoenix. It is an important courtyard greening tree species in China, which is suitable for isolated or cluster planting in lawn, courtyard, front house and sloping land. Because of its strong resistance to sulfur dioxide and hydrogen fluoride, it can also be used for greening in factories and mines.
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Field cultivation and management techniques of sycamore
1. Choose sunny, warm and moist, well-drained, deep and fertile soil for land preparation. two。 Seed propagation, cuttage and root division are often used in propagation. After the seeds are ripe, they are harvested for autumn and spring sowing. Sowing as soon as it is picked, seeds can also be stored until spring sowing in the following year because of irregular seed germination rate. Soak seeds with wet sand stratification or warm water to accelerate germination before sowing. Make a seedbed before sowing, open a shallow trench according to the row spacing of 30cm, and then sow in the ditch or on demand, with a sowing rate of 75-120kg per hectare. Reply after broadcast
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technique of sowing and seedling raise of Chinese parasol tree in spring (II)
Seedling management 1. Loosening and weeding After sowing, dicotyledonous weeds such as Lepidium chinensis, Rhynchus chinensis and Amaranthus chinensis will breed in large numbers, which can be manually removed or sprayed with 1/1000 of 2.4-D. Weeding to "except small, except early, except" for the principle of loose soil thickness 2 to 3 cm. 2. Fertilization Irrigation Fertilize when the seedlings are 3 to 5 cm high, apply 8 to 10 kg compound fertilizer per mu, combine irrigation application, and then water according to soil moisture. 3. Disease and pest control During the seedling stage of Chinese parasol, attention should be paid to the prevention of seedling blight by early sowing and high ridge seedling raising.
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