The blue fruit tree is a deciduous tree of the blue fruit tree, which is named for its deep blue when the stone fruit matures. When the new leaves sprout and the leaves fall in autumn, the leaves are red, which is a good view of the foliage.
Blue fruit trees are commonly used for sowing and breeding. From August to September, when the stone fruit is ripe, the fruit is harvested and cooked, soaked in soda water for several days, then the peeled peel is removed, the seeds are taken out, rinsed with water, dried in the shade, or sowed in the wet sand. Sowing in early spring.
The way to store germination in wet sand is to lay a layer of sand about 3 cm thick and about 10% water in a dry place, and then put a layer of seed to cover a layer of sand. The sand pile is no more than 20 cm. Flip every half month to prevent the seeds from becoming moldy, while paying attention to ventilation and rodent control. Before sowing, choose high-quality paddy fields or fertile sandy soils that are convenient for irrigation and drainage, and the three plows are flat.
Generally, 300 to 400 kg or 100 kg of compound fertilizer is applied per mu. Then do the seedbed, the bed is 1.2 meters wide and 15 centimeters high, north to south, and the length depends on the terrain. Ditch 5 to 8 cm deep on the seedbed, on-demand, line spacing 20 cm, plant spacing 3 to 4 cm. The seeding rate per acre is 15 kg. After sowing, cover the aseptic soil with a thickness of about 2 cm and cover the grass. After the seeds were germinated and unearthed, the grass was removed three times.
The winter sowing was transplanted from March to April of the following year; the spring sowing was transplanted from September to October in the depression of the breeding seedlings. The soil layer is required to be deep and loose, and it is slightly acidic. The seedbed is 1.6 meters wide, and then the hole is diced at a density of 0.8 to 1 meter, and the base fertilizer is 1 kilogram per hole.
When transplanting, cut off the main roots of the seedlings, and after the seedlings survive to recover, pay attention to weeding and weeding, and strengthen water and fertilizer management. Apply urea three or four times from June to September, applying 5 to 8 kg per acre. After September, the irrigation and fertilization will be stopped to facilitate the wintering of the seedlings.
The transplanted seedlings are cultivated for 3 years, up to 3 meters or more, and when the breast diameter reaches 3 to 5 cm, they can be used as greening seedlings. Blue fruit trees have fewer pests and diseases, and there are mainly leaf spot brown spots and spider mites (red spiders) at the seedling stage. In the early stage of the disease, spray 50% of carbendazim WP 500 times, spray once every 7 to 10 days, and spray 2 to 3 times. During the period from May to August, the spider mites are sprayed with 20% of the bismuth emulsifiable concentrate 1000 times or the biological acaricide Liuyangmycin 1000 times.
Diamond grinding head: A kind of stone material, ceramic materials and other non-metallic materials of grinding tools, especially involving a with diamond alloy grinding tools for grinding body, it includes substrate and a mill body, in which several mill body clearance to fixed to the substrate, the grinding surface of the grinding head grinding body also set a clearance, among them, the substrate is best by a certain toughness of adhesive materials, The abrasive body is preferably made of diamond alloy material. The utility model has the characteristics of high grinding performance, simple manufacture, low cost, high grinding quality and can be applied to large-scale grinding
Through the processing of various workpiece, to achieve grinding, grinding, polishing effect; According to the use, mainly divided into the following types of grinding head:
1.grinding class: mainly installed in the grinding machine grinding head, the workpiece for grinding, grinding, grinding, processing can be divided into rough grinding and fine grinding.
2.grinding class: generally used for grinding the burr of the workpiece, or the workpiece surface precision is not high processing. Use grinding machine, electric, pneumatic and other tools to high-speed operation to achieve the effect of grinding.
3.polishing class: specially for surface finish (roughness) processing and use of higher requirements, is the need for separate processing process.
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