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Juncus ochraceus buchen spraying and sowing substrate and spraying and sowing method and application thereof

A technology of rushes and substrates, applied in the field of environmental restoration, to achieve the effects of increasing the surface temperature, resisting frost disasters, and avoiding artificial

Inactive Publication Date: 2020-06-12
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report on the in-situ spraying of the pioneer plant Rush rushes in situ for the revegetation of acid tailings wasteland.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In the 5mx10m test area of ​​the iron tailings pond, the matrix material was sprayed. According to the mass ratio, the matrix material included: 5 species of rushes, chicken manure biochar 20, sawdust 48, magnetite powder 10, plant biomass 180, Iron tailings 240. The chicken manure biochar is prepared by anaerobic pyrolysis of dry chicken manure at 300 degrees Celsius, with a phosphate content of 4%; sawdust lignin content of 25%, and cellulose content of 15%; plant biomass is corn stalks, fiber The element content is 35%; the tailings are in-situ tailings at the site to be sprayed, and the pH of the tailings is 2.0; the magnetite and tailings mesh numbers are both 120 mesh.

[0025] The thickness of the matrix material sprayed is 5cm, and water is applied to the above-mentioned covering layer to control its maximum water holding capacity to 35%, and water replenishment is performed once a week, and the cycle is 3. The plant survival rate in the first growth cycle afte...

Embodiment 2

[0029] The matrix material is sprayed in the 5mx10m test area of ​​the lead-zinc tailings pond. According to the mass ratio, the matrix material includes: Plumeria rush species 5, chicken manure biochar 40, sawdust 60, magnetite powder 10, plant biomass 350 , Lead-zinc tailings 300. The chicken manure biochar is prepared by anaerobic pyrolysis of dry chicken manure at 400 degrees Celsius, with a phosphate content of 12%; a sawdust lignin content of 40%, and a cellulose content of 30%; plant biomass is corn stalks, rice Straw and wheat straw, the cellulose content is 67%; the tailings are in-situ tailings at the site to be sprayed, and the pH of the tailings is 5.5; the magnetite and tailings have a mesh size of 100 head.

[0030] The above-mentioned matrix material spraying thickness is 4cm. Apply water to the above covering layer, control its maximum water holding capacity to 35%, and perform water replenishment once a week, with a cycle of 3. The plant survival rate in th...

Embodiment 3

[0034] The matrix material was sprayed in the 5mx10m test area of ​​the gold mine tailings pond. According to the mass ratio, the matrix material included: 12 species of rush grass, 35 chicken manure biochar, 80 sawdust, 30 magnetite powder, and 248 plant biomass. , Gold mine tailings 435. The chicken manure biochar is prepared by anaerobic pyrolysis of dry chicken manure at 350 degrees Celsius, with a phosphate content of 6%; sawdust lignin content of 30%, and cellulose content of 20%; plant biomass is rice straw, fiber The element content is 40%; the tailings are in-situ tailings at the site to be sprayed, and the pH of the tailings is 4.6; the magnetite and tailings mesh numbers are all above 100 mesh.

[0035] The above-mentioned matrix material spraying thickness is 5cm. Apply water to the above covering layer, control its maximum water holding capacity to 35%, and perform water replenishment once a week, with a cycle of 3. The plant survival rate in the first growth cy...

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Abstract

The invention relates to a juncus ochraceus buchen spraying and sowing substrate and a spraying and sowing method and application thereof. The spraying and sowing substrate comprises the following rawmaterials in parts by weight of 25-80 parts of juncus ochraceus buchen seeds, 100-200 parts of chicken manure biochar, 240-900 parts of sawdust, 50-170 parts of magnetite, 900-1550 parts of plant biomass and 1200-3500 parts of tailings. The spraying and sowing substrate is prepared from the juncus ochraceus buchen seeds, so that the application of the spraying and sowing substrate material to acidity tailings waste lands can be enlarged; the chicken manure and the magnetite are added to enable the substrate to have favorable thermal capacity, and the substrate can resist frost disaster; the sawdust is loose and ventilated and can create microenvironment; and the magnetite, the biochar and the like can drive iron oxide crystal phase transition, the soil-forming process is accelerated, andthe adaptability and the survival rate of plants can be increased. The juncus ochraceus buchen spraying and sowing substrate is suitable for ecological remediation of the extreme geographic location and the environment, the remaining problem of the acidity tailings is solved.

Description

technical field [0001] The invention belongs to the technical field of environmental restoration, and in particular relates to a matrix material for spraying and sowing rush rushes. Background technique [0002] The situation of land pollution in my country is very serious, among which tailings account for as much as one-third, and serious soil pollution threatens the ecological and human environment. Because the ore is multi-component symbiosis, backward mineral processing technology leads to serious waste of resources and collapse; Mine wastewater; soil erosion. Vegetation coverage, as the most potential restoration method, plays an important role in dust control, wind and water erosion, and ecological restoration. For acid tailings, compared with soil, unfavorable conditions such as low mesh number, unfavorable aeration, high heavy metal content, and low organic matter affect plant growth. [0003] Rush spp. has the application advantages of fast growth, large seed yield...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G24/20A01G24/23A01G24/10A01G24/22A01G24/17A01B79/02
CPCA01G24/20A01G24/23A01G24/10A01G24/22A01G24/17A01B79/02
Inventor 田森林严鑫睿赵群李英杰黄建洪胡学伟
Owner KUNMING UNIV OF SCI & TECH
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