10 years of yield per 100 square meters
Known as the world's fast-growing, the American bamboo willow is a new breed of research jointly conducted by California Agricultural University and several of the largest paper and seedling companies in the United States. It is a hybrid of American cold willow, Korean willow, and basket willow. It is a polyploid (2n=19x) by using a multi-genetic germplasm material to pass through a high-tech composite hybrid. Bamboo willow, because the trunk is slender, the wheel pattern is like bamboo, the willow leaves are thick green, the growth is like bamboo, and the material is named like Liu. It contains 32.8% of the American Hanliu gene, 22.3% of the Korean boxworm gene, and 18.4% of the American bamboo gene. Due to the genetic basis of a variety of plants, it not only has all the excellent characteristics of willows, but also has the characteristics of fast growth, strong resistance and good material quality compared with other new willow varieties. It is also a rare and high-quality super-new energy source that needs to be developed urgently. Tree species, from its birth to the present, have received a lot of attention and attention from the public and the forestry departments and scientific research units.
The genetic advantage makes the bamboo will have eight advantages:
One is high density:
High-density forests, 300-500 trees per mu, more than 10,000 yuan per mu of land, high utilization rate of land area, such as industrial planting of pulp materials, about 800 plants per mu, three years roots, two years, average The breast diameter can reach more than 15 cm.
The second is to grow fast:
It has a strong speed and is planted at about 300 trees per mu. The average breast diameter in 5 years can reach more than 30 cm, the height is about 25 meters, and the volume is more than 0.5 cubic meters. It is 2-3 times faster than fast-growing poplar, can grow 5-8 meters a year, and has a ground diameter of 3-6 cm. The cultivation cycle can be rotated or halved in 3-6 years, and the height of individual plants can reach up to 4 years. 15-20 meters, breast diameter of 25 cm or more.
The third is adaptability:
Zhuliu Xiguang has strong cold resistance and can withstand low temperatures of minus 35 °C. It can be adapted to grow in areas with an annual minimum temperature of minus 30-40 degrees Celsius. It can also grow in water and shallow water, and grow vertically from plain to 4600 meters above sea level. It has wide adaptability to soil and strong roots.
Fourth, the wood is widely used.
Bamboo will not be hollow, not black, from the side to the heart color white, before bleaching, the natural whiteness is 50-60%, and the wood has a high pulp rate (90-95%), the fiber is soft. It is a superior industrial papermaking material. It is also a building and packaging material, or a high-quality material for the manufacture of plywood and frame, and the wood is fine and uniform, the material is good, there is a market, there is no need to worry about sales, and the economic benefit is more than 10 times that of the 107-speed poplar.
Fifth, the value of viewing is high.
It can be used as a street tree, park, villa, railway and other landscapes. In the vast areas of China, especially in the tidal flats of rivers and lakes and the "four sides", garden planting has more advantages. The whole trunk of the tree is straight, the crown is narrow, the upper branches grow obliquely, and the lower branches are close to the ground. It is not only an excellent fast-growing timber species, but also a good ornamental tree species.
Six is ​​able to prevent wind and sand
The variety is resistant to alfalfa and has a well-developed root system, which can reinforce the soil and protect the shore. The effect of sand fixation is very significant; it is an excellent tree species for the construction of fast-growing forest industry in the sand area.
Seven is able to double as an interplant
In the first year under the woods, chickens can be raised, soybeans can be planted, health black potatoes can be planted, edible fungi can be planted in the second year, and ginseng can be planted in the third year. It is a rare high-efficiency agricultural comprehensive development project. Planting American bamboo will not only green the environment, protect the ecology, but also has a short growth cycle and high efficiency. It is called “green bankâ€.
Eight is high economic efficiency
150-300 trees per mu, 10 years into 100 square meters, such as selling seedlings of 10,000 acres per mu, worth 50,000 yuan. The economic benefits are considerable.
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