Cultivation area for fir species?
The cultivation area of Metasequoia species is: Metasequoia natural distribution in Hubei Li County, Sichuan Shizhu County and Hunan Longshan County adjacent to the mountain area of about 600 square kilometers. At present, it is cultivated in the southeast provinces and regions of Sichuan Basin from the Great Wall in the north and southern Liaoning in China. And introduced to Asia, Africa, Europe, the United States and other continents more than 50 countries and regions.
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Full light seedling raising method of Metasequoia glyptostroboides hardwood cutting
Shading method is often used to raise seedlings of Metasequoia glyptostroboides. This requires the use of a sunshade net and the cover of the shade every day. The experimental study on full-light seedling cultivation of Metasequoia glyptostroboides hardwood cuttings shows that the general survival rate can reach more than 90% by using appropriate methods. The method is introduced as follows: the land for fine soil preparation and seedling cultivation needs flat topography, deep soil and convenient drainage and irrigation. In general, the land is turned deep before winter, and after thawing, the land is flattened with phosphate fertilizer of 10 to 15 kg per mu and the width of the border is 1.5 to 1.7 meters. the length of the border depends on the number of cuttings, and the row spacing is 12 to 15.
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Six key techniques for pollution-free production of Edible Fungi
First, to improve the ecological environment, the cultivation site should be close to the water source, the air is smooth, the surrounding is wide, and far away from livestock farms, breweries, living areas and hospitals at least 1500 meters to take measures such as turning the soil, tanning, irrigation and other measures to replace pesticides for disinfection. The water quality of the source is clean and free from pollution. It is strictly forbidden to spray mushrooms and soak in sewage. The abandoned materials of mushroom root, dead mushroom, insect mushroom and culture medium shall not be stored inside and outside the cultivation and processing facilities. Second, the rational selection of raw materials should be in strict accordance with the new requirements of WTO/SPS plant disease, and the use of cotton husk, wheat straw and corn
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