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Method for raising seedlings by cutting on micro-propagation films of fast-growing poplar in saline-alkali soil regions

A technology for growing seedlings by cuttings and land area, applied in forestry, garden greening, and agricultural fields, can solve the problems of no successful precedent for poplar cuttings and seedlings, high requirements for soil water and fertilizer conditions, and difficulty in planting in saline-alkali areas, reducing tending The number of management times, the water saving effect is remarkable, and the effect of improving the survival rate of seedlings

Inactive Publication Date: 2013-07-10
TIANJIN UNIVERSITY OF TECHNOLOGY
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AI Technical Summary

Problems solved by technology

However, due to the poor salt-alkali tolerance of poplar and high requirements on soil water and fertilizer conditions, it is difficult to grow poplar in saline-alkali areas, and there is no successful precedent for poplar cutting seedlings, especially in coastal clay soil heavy saline-alkali areas

Method used

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  • Method for raising seedlings by cutting on micro-propagation films of fast-growing poplar in saline-alkali soil regions
  • Method for raising seedlings by cutting on micro-propagation films of fast-growing poplar in saline-alkali soil regions
  • Method for raising seedlings by cutting on micro-propagation films of fast-growing poplar in saline-alkali soil regions

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Embodiment

[0023] A cutting seedling raising method for fast-growing poplar in a saline-alkali soil area on film propagation, and the measures include:

[0024] 1) Collecting cuttings: Select annual seedlings with good growth, 1-2cm in diameter, full lateral buds, and no pests and diseases, and cut them into cuttings with a length of 15-20cm. Make sure that there are 2-3 full lateral buds on each cutting. Make a flat incision, 2cm away from the first lateral bud, and make an oblique incision at the bottom. Soak the cuttings in clean water for 48 hours;

[0025] 2) Nursery soil improvement: Select the land with light soil salt content as the nursery ground, mix sandy soil with a volume percentage of 20% in the clay soil to improve the composition of soil particles; add 1% volume percentage of soot desulfurization Gypsum to improve the chemical properties of the soil; apply organic fertilizer at 4 tons / mu to enhance soil fertility; the plowing depth is 20cm, and the furrow is made after mi...

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Abstract

Disclosed is a method for raising seedlings by cutting on micro-propagation films of fast-growing poplar in saline-alkali soil regions. The method includes measures of a series of technical links such as soil improvement, shearing and processing for cutting slips of the poplar, bed making and film mulching, a hard wood cutting technology implemented on the films, control for cutting time and density and nurse and management for the seedlings. The method for raising the seedlings by cutting has the advantages that terrestrial germination and shooting and subterraneous rooting are taken into consideration, requirements of the terrestrial germination and shooting and requirements of the subterraneous rooting are respectively met, and benefits of the terrestrial germination and shooting and benefits of the subterraneous rooting are respectively realized; after two years of tests for raising seedlings and investigation and analysis, effects of the method for raising the seedlings are obviously improved, a survival rate of the seedlings reaches 95% at least, the seedlings are complete and strong, and heights of one-year seedlings range from 3.5 meters to 4 meters; growing periods of the seedlings are prolonged by nearly a month; salt suppressing and water saving effects are obvious; the nurse and management frequency is reduced; the seedling raising cost is greatly reduced; and a survival rate of afforestation is obviously increased.

Description

technical field [0001] The invention relates to the greening technology of agriculture, forestry and gardens, in particular to a cutting seedling raising method for fast-growing poplars in saline-alkali areas. [0002] It is an ingenious and practical technical system aimed at the characteristics of the natural environment in this area, involving technical fields such as agriculture, forestry and landscaping, and can be applied in the vast saline-alkali areas in northern my country. Background technique [0003] Afforestation and afforestation in saline-alkali land is difficult, and the stage of cultivating seedlings is even more difficult. Not only the survival rate of seedlings is low, but also the growth is poor, which leads to serious pests and diseases and high mortality of seedlings, which greatly increases the cost of tree seedlings and afforestation, and seriously affects the vegetation restoration and environment in this area. Improvement and development of urban an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G13/02
Inventor 尹建道刘振英许晖
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
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