In recent years, the cultivation of organic ginkgo has been carried out from traditional sporadic cultivation to large-scale production and intensive development. The area of ​​leaf ginkgo garden and high-yield garden has increased year by year. Organic Ginkgo biloba leaves are intercropped in the fungus, and the fungus is released from the body to release carbon dioxide to supplement the photosynthesis of the organic ginkgo. The organic ginkgo photosynthesis provides sufficient oxygen for the growth of the fungus, and the fungus is returned to the field to promote the growth of the organic ginkgo. Organic Ginkgo provides a cool climate for the growth of fungus, and the two complement each other. The following is a brief introduction to the three-dimensional cultivation technology of organic ginkgo.
1. Ginkgo cultivation
1. The Ginkgo biloba garden in the organic ginkgo garden is designed to obtain leaves with high quality and high yield. When building the garden, it is necessary to choose a leeward sun, fertile land, convenient irrigation and drainage, deep renovation of the soil, and application of organic fertilizer.
2. Select the seedlings to build the Ginkgo seedlings of the organic Ginkgo biloba garden. The crown should be low, the branches are many, the branches are short, the leaves are dark, the leaves are thick and large, the hair is large, the ginkgo bis-flavonoids, bitter lactone The organic ginkgo cultivar with high content of medicinal ingredients is suitable for close planting. The organic ginkgo leaf has high commodity value and can achieve the purpose of increasing production and income.
3. After planting the leaf of the organic ginkgo garden (leaf leaf garden) for planting leaves, intensive cultivation, planting according to the north-south direction, is conducive to daylighting and ventilation, and the method of planting ginkgo is planted by nesting or furrowing, with a row spacing of 50×100 cm or 40 x 120 cm. The survival rate of organic ginkgo colonization was the highest when the leaves were budded before and after the "Qingming", and the bottom water was planted after planting to ensure the survival of the seedlings.
4. Management of organic ginkgo leaf-harvesting gardens is mainly to harvest leaves. Strengthening underground management, controlling pests and diseases, timely topdressing, foliar spray fertilizer, and applying quick-acting nitrogen fertilizer are key measures to improve the yield of organic ginkgo leaves.
High Temperature Alloy is divided into three kinds of material: 760 ℃ high-temperature material, 1200℃ high temperature and 1500 ℃ high temperature materials, the tensile strength is 800 mpa. On other words,it refers to the metal material worked well in the condition of 760-1500 ℃ or above. It owns excellent high temperature strength, good resistance to oxidation and thermal corrosion resistance, good fatigue properties, fracture toughness and other comprehensive performance, this kind of material has became an irreplaceable key material in military and civilian gas turbine engine hot end components . According to the relevant theory, 760 ℃ high-temperature materials, according to the matrix elements,can be mainly divided into high temperature iron base alloy, nickel base superalloy and cobalt-based super alloy. According to the preparation process,it can be divided into deformation and high temperature alloy, casting high temperature alloy and powder metallurgy super alloy. According to the solid methods,it can be divided into solid solution strengthening, precipitation strengthening and oxide dispersion strengthened with fiber reinforced type, etc.
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