What are the characteristics of metasequoia species?
The tree species of Metasequoia glyptostroboides are characterized by deciduous trees of Taxodiaceae. It can reach more than 35 meters in height and 2.5 meters in breast diameter. At the end of the trunk, the base is often inflated and the crown is conical. It is a precious tree species endemic to China. It belongs to ancient relict plants. Metasequoia glyptostroboides is adaptable, but likes warm and humid climate, deep, fertile and moist soil. Drought, barren, low temperature and saline-alkali are not conducive to the growth of metasequoia. Metasequoia wood has straight texture, light and soft material, small difference in shrinkage, and easy to process. Suitable for construction, furniture, agricultural tools, ships and other materials, can also be used as raw materials for papermaking. At the same time, because of its beautiful appearance, it is a good tree species for planting trees and landscaping on all sides.
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Seedling cutting methods of Metasequoia glyptostroboides
The cutting method of Metasequoia glyptostroboides seedlings: cutting along with cutting from late March to early April. Cut cuttings with 1-2-year-old seedlings or new shoots germinated in the same year. The lower end of the cuttings was treated with naphthalene acetic acid at a concentration of 0.5 ppm and soaked for 20 to 24 hours to promote rooting and survival. About 120 plants per square meter. Keep the nursery bed moist after insertion. The new roots germinated for about 40 days, and rarefied human feces and urine were applied every 10 days for 3 to 5 times. In June, a small amount of nitrogen fertilizer can be applied many times, 3 to 4 kilograms of urea per mu, mixed with water. In the first ten days of August, phosphorus and potash fertilizer were applied once per mu.
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Management and propagation techniques of Metasequoia glyptostroboides
Metasequoia glyptostroboides is suitable for warm and humid climate, cool summer, snow but not cold winter, annual average temperature 13 ℃, extreme lowest temperature-8 ℃, extreme highest temperature 35.4 ℃, frost-free period 230 days; annual precipitation 1500 mm, annual average relative humidity 82%. The soil is acid mountain yellow soil, purple soil or alluvial soil, and the pH value is 4.5 Murray 5.5. Mostly born in the valley or foothills near the gentle terrain, deep soil layer, moist or slightly stagnant water, strong cold resistance, strong water and moisture resistance, can grow in light saline-alkali land
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