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A cultivation method and technology for seedlings, which can be applied to land preparation methods, fertilization methods, cultivation and other directions, can solve the problems of poor resistance and low economic benefits, and achieve the effects of improving utilization rate, improving adsorption structure, and promoting dormancy release.
Inactive Publication Date: 2019-01-04
杨起中
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Problems solved by technology
Now the conventional cultivation technology of Hackberry seedlings has poor seedling resistance, few first-grade seedlings, and low economic benefit...
Method used
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Embodiment 1
[0019] (1) Harvesting and storing seeds: Select a good mother tree with strong growth, good dryness, and no pests and diseases for more than 10 years. Harvest when the fruit turns from green to yellowish brown in mid-October every year. Spread out and dry until the water content is 2-4%, soak the seeds in a sodium hydroxide solution with a mass percentage concentration of 15-20% for 1-2 hours, then wash with water, and then put the seeds in a concentration of 1500mg Soak in gibberellin / L gibberellin and cytokinin solution with a concentration of 600mg / L for 12 hours; cover the seeds with sand, with a thickness of 1cm, and stratify them for 7-8 weeks;
[0020] (2) Sowing and raising seedlings: choose sandy loam or light loam nurseries with flat terrain, loose soil, deep soil, leeward to the sun, and good drainage, deep plow the land, and apply 400 kg of decomposed farmyard manure, 6 kg of urea, and dipotassium hydrogen phosphate per mu. 8kg, cake fertilizer 180kg, rake finely t...
Embodiment 2
[0027] (1) Harvesting and storing seeds: Select a good mother tree with strong growth, good dryness, and no pests and diseases for more than 10 years. Harvest when the fruit turns from green to yellowish brown in mid-October every year. Spread out and dry until the water content is 2-4%, soak the seeds in a sodium hydroxide solution with a mass percentage concentration of 15-20% for 1-2 hours, then wash with water, and then put the seeds in a concentration of 2000mg Soak in gibberellin / L gibberellin and cytokinin solution with a concentration of 700mg / L for 12-14 hours; cover the seeds with sand with a thickness of 0.5-1cm, and stratify for 7-8 weeks;
[0028] (2) Sowing and raising seedlings: choose sandy loam or light loam nurseries with flat terrain, loose soil, deep soil, leeward to the sun, and good drainage, deep plow the land, and apply 350 kg of decomposed farmyard manure, 6 kg of urea, and dipotassium hydrogen phosphate per mu. 8kg, cake fertilizer 200kg, rake finely ...
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Abstract
The invention discloses a method for cultivating hackberry seedlings, including the steps of seed harvesting and storage, seeding and seedling raising, and management at the seedling stage. Accordingto the method for cultivating the hackberry seedlings, seeds are treated through the synergistic effect of gibberellin and cytokinin, and environmental factors such as humidity and temperature are adjusted, so the release of seed dormancy is promoted, and the interaction between hormones and the interaction between hormones and the environment are subjected to full use to break the seed dormancy;a base fertilizer is rational in formula, nutrients needed for the growth of hackberry can be provided, and the rapid growth of the hackberry seedlings is stimulated and regulated, and the base fertilizer can be used as a soil nutrient improver to promote the development of a hackberry root system and enhance the metabolic function; a special fertilizer for the hackberry is additionally applied, expanded perlite and charred wood residue in the fertilizer can improve the adsorption structure of the soil after being applied into soil, the nutrient elements in the fertilizer can be conveniently adsorbed and released, an attachment space can be provided for the fertilizer, so that the fertilizer can play a slow release effect in the use process, and the nutrients needed by the trees in each stage of growth are satisfied. The method for cultivating hackberry seedlings can improve the utilization rate of the fertilizer and promote the growth of the hackberry.
Description
technical field [0001] The invention relates to the field of nursery stock cultivation, in particular to a method for cultivating hackberry seedlings. Background technique [0002] Hackberry is a deciduous tree of the genus Hackberry in the family Ulmaceae, which is distributed in most parts of our province and is a unique native tree species in our province. It is a good timber tree species and a better ornamental landscaping tree species. Hackberry is a positive tree species, slightly tolerant to shade, water and humidity, and also has a certain ability to resist drought. It likes fertile, moist and deep neutral clay soil, and is also resistant to light saline-alkali soil, with deep roots, well-developed root system, and strong wind resistance. The branches of hackberry are flat, the crown is wide, the shade is rich, the autumn leaves are golden, elegant and picturesque, it is the main shade tree in urban parks and courtyards. Hackberry seedling conventional cultivation...
Claims
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Application Information
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