Chongyangmu is a tree species of the genus Cinnamomum. Its beautiful tree shape, green cover, red leaves turn red, very beautiful, is one of the famous ornamental trees. It has strong adaptability, strong root system, moisture resistance, strong wind resistance, resistance to various toxic gases, and rapid growth. It is a good tree shade and street tree species, and can also be used as an embellishment species on embankments, streams, lakes, and lawns. , With high ornamental value and good economic benefits, it is worthy of application and promotion in landscaping. 1. Seedling preparation: Chongyang wood is multiplied by sowing. Here are some issues to be noted about several important aspects of seed collection, fruit processing, and sowing: (1) Seed collection. Chongyang wood fruit matured from September to November. Choose good growth, dry straight, open crown, flowering leaves, fruit plump, in the good old single plant as a collecting mother tree, after the fruit was red-brown and harvested. (2) Fruit processing. After the fruit is harvested, it is immersed in water to smash the peel and the seeds are dried and then stored in the room or mixed with sand. (3) sowing. Daejeon seedlings are generally used. The sowing place requires soil looseness and ventilation, good water retention and drainage performance, certain fertility, no underground pests and diseases. Planting land is best to plow 1 to 3 times in autumn and winter to promote soil weathering, water conservation, and eliminate weeds and pests. The land preparation must be leveled and the bottom water should be filled before sowing in drought-sparing areas. Early spring drills from March to March, spacing of about 20cm, sowing rate per acre of 2 ~ 2.5kg. After sowing, the soil thickness is about 0.5cm so as to prevent the seeds from drying and losing water or be harmed by birds and beasts. Then covered with grass straw and other materials to improve soil temperature to maintain soil moisture, prevent weed growth and soil compaction. Seedlings were excavated 20-30 days after sowing and the germination rate was 40-80%. (4) Shade. After the seedlings are unearthed and covered, shady shade shall be erected in time. In shading time, the degree of shade should be determined according to the local temperature and climatic conditions at that time to ensure that its seedlings are not affected by sunburn. In the fall, it is necessary to gradually extend the illumination time and increase the light intensity until it receives the full light, so as to increase the degree of lignification of the seedlings. (5) seedlings, make up seedlings. When a seedling grows to three leaves, it stays small, stays excellent, stays thin, and stays thin, ensuring sufficient light and performing well on cloudy days. Combined with the seedlings, the seedlings were treated with seedlings to ensure uniform seedling distribution. Strengthen field management, pay attention to pest control, and appropriate seedlings. When the seedling height is as long as 10cm, the seedlings can be loaded. (1) Container Selection: A container bag made of polyethylene plastic having a thickness of 0.03 to 0.04 cm is used. The bag has a diameter of 10 cm and a height of 15 cm, and the bottom of the bag is hit with 6 to 10 round holes of 0.3 to 0.5 cm. (2)Plot selection: Choose the land near the nursery, the soil should be loose and breathable, good water retention and drainage performance, a certain fertility, no underground pests and pathogens, and there must be certain sensation. (3) Land consolidation: remove foreign matter on the ground, make 畦 100 to 120 cm wide, and keep 10 to 20 cm deep at the top of the bag. The length depends on the number of seedlings and the topography. After the bed is leveled, 2 cm thick sand is laid. Leave a 30 to 40 cm wide trail between the bed. About 60g of diammonium phosphate is applied to each square meter in the raft, and about 15cm of the topsoil is loosened and turned upright (for example, if there are many foreign substances, it is necessary to pass through the sieve), and the area is set to 50cm wide. (4) Nutrition soil preparation. Chongyang wood seedlings are suitable for deep and fertile sandy soils, and their requirements for soil acidity and alkalinity are not strict. There are two general methods of preparation: 1 Screened sandy loam soil and fermented livestock manure according to 7:3 or 8:2 (depending on the fertility of animal manure, such as chicken manure, pig manure can be 8:2, and duck dung, sheep dung The ratio can be 7:3); 2 Screening and decomposing farmyard manure and clay, peat soil, sandy loam soil are prepared according to 1:3:3:3 ratio; 3 Screening and decomposing farmyard manure and clay, sandy loam, sawdust according to 1:3: 3:3 preparation. After the nutrient soil is properly mixed, the water is sprayed into a moist state for use. (5) Lifting: The transplant of Chongyangmu is carried out in principle during the dormancy period of the seedlings, that is, before the leaves fall in autumn or before sprouting in the spring. Spring is the most suitable time for planting trees. During this period, the trees are in a dormant period before sprouting. They have not yet taken root and germinated. They are unresponsive to environmental conditions such as temperature and humidity, and they have low physiological activity. They can tolerate the cold and heat of the early spring season. Climate change. If buds sprout after opening, they will reduce the survival rate. In the autumn, the seedlings usually begin in the late fall of October. Autumn seedlings are conducive to the implementation of autumn (winter) deep turning for the lower jaw to eliminate pests and diseases. Of course, special circumstances should be treated in a special way. If it is summer, it should be done in the early morning, evening or night. (6) Selection of seedlings: seedlings with no diseases and insect pests, apical buds should be selected, and long roots and roots should be trimmed. (7) Packing seedlings: According to the size of the container, rooting is performed according to the length of the seedling root system. Generally, the root length is 12 to 15 cm. After the roots are immersed, they are soaked in a 50-ppm ABT rooting powder solution for 6 hours and then bagged. First put some nutritious soil into the bag, put the seedling standing upright bag in the center, carry a bag of hand-held seedlings, put the soil in one hand, and fill it up to avoid the roots. After placing neatly, fill the gap between the bags and immediately irrigate the water. Finally, a layer of 0.5 cm thick sand was caught to facilitate the water permeability. (8) Requisitioned seedlings: The bottom must be flattened, the nutrition bag should be tight, and the bag should be high and flat. (9) Seedling management: After being packed, use a small amount of water to drench it. If it is inverted, immediately support it and fill in the soil in the bag. Use shading nets to shade to increase the survival rate; wait for the seedlings to survive and remove the net; After the trees germinate, they are sprayed with water for 1 to 2 days in order to speed up the growth rate of new shoots. It is also important to note that new shoots are vulnerable to the locusts. The weather is dry and timely observation of spraying, and weeding and weeding are often required. 3, Chupu: After container seedlings for a long period of time, the degree of lignification of seedlings is relatively high, the root development is relatively complete, the rainy season or autumn can be transplanted. Do not water for a few days before transplanting. Lift the seedlings from under the bag side of the bag shovel to keep the integrity of the bag, transport seedlings to select professional transport tools to prevent damage to the nutritional bag.
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2, container loaded seedlings: seedlings in the 10cm or so, the roots are also about 10 ~ 15cm, the relative increase of seedlings lignification, this time can be organized with seedlings.