Cedar is also called Himalayan pine or Himalayan fir. It belongs to evergreen tree of Pinaceae cedar, which is more than 20 meters high. The trunk is mostly upright, the bark is gray-brown, the saplings are smooth, the old tree cracks into scale-like flakes, the canopy is a small conical or tower-shaped, the branches are irregular, they have long and short branches, and the long branches are Growing branches, flat, short branches as the result of branches, slightly drooping. Leaves needle-shaped, hard, apex pointed, leaf color light green, gray-green, blue-green or silver-gray, spiraling alternately on long branches, round clusters on short branches. Dioecious or same plants, flowers born at the top of short branches, open in the fall, female flowers developed into cones the following year, mature in autumn. Cedar can be divided into different types according to its shape: "Alice type", branches growing obliquely, branches slightly hanging down, crowns narrow, yellow-green leaves, rapid growth, "flat branches", thick branches, flat growth, Opened in tree shape, slightly sag young twigs, dark green leaves, broad leaf stomata, medium growth rate, "weeping branches", branches spreading flat in childhood, then descending obliquely, all twigs sagging, slow growth . In addition, there is a golden yellow leaf color in spring and a yellow-green “gold leaf cedar†in autumn, and a silvery white or gray “silver leaf cedar†in autumn. Cedar propagation includes sowing, cuttings, battening, and grafting. Among them, cuttings are the most commonly used, and they are inserted in spring from February to March. The cuttings can be selected from the annual branches on the young mother tree or the branches of the perennial plant canopy. Each section is about 12 cm long, and the lower needle is cut off. Plug in the soil, keep it moist, and take root about 2 months. In the summer, from June to July, the cuttings should be selected from the strong shoots of the year, and the other steps should be inserted in spring. Whichever method is used for cutting, the cuttings should preferably be soaked in a solution such as naphthalene acetic acid to facilitate rooting. The transplanting of cedar trees can be carried out before the sprouting of the spring plants and should be accompanied by more soil in order to help the plants recover. Can be planted in pots and gardens, planted and irrigated, placed in a ventilated and sunny place. When the plants grow to a certain height, they should be headed in order to control the height of the plants and make the trunk thick and make it form as soon as possible. Attention should be given to cultivating new tree tops so that the trees are beautiful and natural. Cedar bonsai common straight dry type, oblique dry type, double dry type, jungle style and other different forms, but not suitable for the production of cliff-style, water-like bonsai. The canopy can be shaped like a bonsai like other conifers, and it can be used as a flaky leaf. It can also be used to form a lush, luxuriant tree with a tree-like shape, luxuriant branches and lush foliage. Tower shape. The modeling method can be used when the tree is young, and the litchi is soft and soft. According to the concept, the metal wire is used for twisting and twisting, and the wire or bark should be wrapped with a cloth to prevent the bark from being damaged. And supplemented with pruning, cut off long, messy branches, so that harmonious and beautiful bonsai. According to the need, some branches can be processed into relics, and the roots can be properly rooted to make the hanging roots dew to increase the vicissitudes of bonsai. Cedar Hi warm and humid and sunny environment, resistant to half shade and cold, slightly drought, afraid of water. The growing season can be maintained in a well-lit and well-ventilated outdoor place. Watering can be done without watering or pouring. Avoid water in pots and soil. When the weather is dry, water should be sprayed to the plants and the surroundings to increase the air. Humidity makes the leaves green and green beautiful, if it meets the rain and drainage, so as to avoid rot caused by water. From April to May and from August to September, cooked thin liquid fertilizer is applied every 15 days. The growth period may be based on the need for modeling on the short leg of the leggy branches to promote side branches, so that the clusters of leaves on the short branches thick and thick, beautiful tree. In winter, move to a cold room for winter, control watering, and keep it above 0°C without freezing. During the dormant period of winter, the plants are once pruned, and the dead branches, overlapping branches and cross branches are cut off, and the long branches are cut short to make the canopy appear as a small tower. When pruning, pay attention to the protection of the top of the tree. If the top branch is broken, the top branch of the trunk can be cultivated as a new top branch to make the bonsai perfect. Every two years to three years before the spring before germination pots, pots and soils should be loose and fertile, well-drained neutral or slightly acidic sandy soil.
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