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Method for promoting growth of massin in manganese ore tailings accumulation area

A technology of accumulation area and tailings, applied in the field of ecological restoration of polluted and degraded areas, can solve the problems of difficult resettlement, accelerated vegetation restoration, poor adaptability, etc., and achieve the effects of promoting settlement growth, good root growth, and convenient material acquisition.

Active Publication Date: 2015-02-25
HUNAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most native tree species have poor adaptability, and it is extremely difficult to resettle in the degraded ecosystem of mines. Assistive technologies are needed to promote their growth, such as adding exogenous substances and other auxiliary measures to improve the soil, and using plants with strong stress tolerance to improve niches and construct " Safe Micro-Island” to promote the growth of native tree species in the “Safe Micro-Island” and accelerate vegetation restoration

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] From October 2012 to October 2014, experiments were conducted in a manganese mine tailings accumulation area in Huayuan County, Hunan Province.

[0038] Material: Masang ( Coriaria sinica ), He Meng ( Aeschynomene indica ), three round leaf pig's dung bean ( Crotalaria mucronata ), Selaginella ( Selaginella tamariscina ), Septoria moss ( Hypnum plumaeforme ).

[0039] Specific steps are as follows:

[0040] (1) Collect selaginella and gray moss.

[0041] (2) Gather the seeds of Hemeng and Sanyuanyezhushidou.

[0042] (3) Collect the tender stems and leaves of Masang.

[0043](4) Production of Sangria mulberry and cuttings: Before and after the Great Cold in the winter of 2012, select adult Sangria mulberry trees with large stalks and vigorous growth, cut off all the branches from the position 10-20cm above the ground, and dig the whole sangria When digging, pay attention to keep the lateral roots and root nodules on the stalks, divide them into 4 sm...

Embodiment 2

[0054] From October 2012 to October 2014, experiments were conducted in a manganese mine tailings accumulation area in Huayuan County, Hunan Province.

[0055] Material: Masang ( Coriaria sinica ), He Meng ( Aeschynomene indica ), three round leaf pig's dung bean ( Crotalaria mucronata ), Selaginella ( Selaginella tamariscina ), Septoria moss ( Hypnum plumaeforme ).

[0056] Specific steps are as follows:

[0057] (1) Collect selaginella and gray moss.

[0058] (2) Gather the seeds of Hemeng and Sanyuanyezhushidou.

[0059] (3) Collect the tender stems and leaves of Masang.

[0060] (4) Production of Sangria mulberry and cuttings: Before and after the Great Cold in the winter of 2012, select adult Sangria mulberry trees with large stalks and vigorous growth, cut off all the branches from the position 10-20cm above the ground, and dig the whole sangria When digging out, pay attention to retain the lateral roots and root nodules on the stalks, divide them...

Embodiment 3

[0071] From October 2012 to October 2014, experiments were conducted in a manganese mine tailings accumulation area in Huayuan County, Hunan Province.

[0072] Material: Masang ( Coriaria sinica ), He Meng ( Aeschynomene indica ), three round leaf pig's dung bean ( Crotalaria mucronata ), Selaginella ( Selaginella tamariscina ), Septoria moss ( Hypnum plumaeforme ).

[0073] Specific steps are as follows:

[0074] (1) Collect selaginella and gray moss.

[0075] (2) Gather the seeds of Hemeng and Sanyuanyezhushidou.

[0076] (3) Collect the tender stems and leaves of Masang.

[0077] (4) Production of Sangria mulberry and cuttings: Before and after the Great Cold in the winter of 2012, select adult Sangria mulberry trees with large stalks and vigorous growth, cut off all the branches from the position 10-20cm above the ground, and dig the whole sangria When digging out, pay attention to retain the lateral roots and root nodules on the stalks, divide them...

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Abstract

This invention discloses a method for promoting growth of massin in a manganese ore tailings accumulation area. In the method, massin, joint vetch, three-round-leaf crotalaria, selaginella and hypnum plumaeforme are used. The method includes the steps that first, selaginella, hypnum plumaeforme and tender stem leaves of massin are collected, and joint vetch seeds and three-round-leaf crotalaria seeds are collected; second, massin stems and cottage are made and wrapped by the hypnum plumaeforme; third, an experimental sample plot is selected and established in the manganese ore tailings accumulation area and planting pits are built; fourth, the massin stems and the cottage are transplanted in the planting pits and covered with the tender stem leaves of massin and soil, the joint vetch seeds and the three-round-leaf crotalaria seeds are spread and sown on the soil, and the selaginella is transplanted. The technology is adopted for promoting growth of massin in the manganese ore tailings accumulation area, vegetation in which the massin is dominant is reestablished, soil can be improved because massin roots can be used for nitrogen fixation and massin steam leaves can be directly buried in soil for fertilizer, and the developed roots of massin can maintain water and soil and stop and control migration of heavy metal in manganese ore tailings accumulation area. According to the technology, the materials are convenient to obtain, and the technology is simple, easy to implement and free of ecological risk.

Description

technical field [0001] The invention relates to the field of ecological restoration in polluted and degraded areas, in particular to a method for promoting Masang ( Coriaria sinica ) method of growing in manganese ore tailings accumulation area. Background technique [0002] The environmental conditions of the mine tailings accumulation area are harsh: the soil is barren, the content of heavy metals is high, the water holding capacity of the substrate is weak, there are very few beneficial microorganisms in the substrate, and the surface temperature is too high in summer or too low in winter and other stress factors exist. As a result, vegetation is lacking, soil erosion is serious, and heavy metals migrate and spread with rain and dust, posing a serious threat to the surrounding environment and human health. It is very necessary to carry out ecological restoration and prevent and control the migration of heavy metals in the degraded ecosystem of mines. The primary task of...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCA01G2/00
Inventor 向言词赵斌冯涛严明理
Owner HUNAN UNIV OF SCI & TECH
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