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Method for promoting growth and propagation of plants and microorganisms in mine tailing area

A technology of microorganisms and plants, which is applied to improve the drought tolerance of plants and microorganisms in the tailings area, which can solve the problems of small quantity and slow growth, and achieve the effects of strong drought tolerance, increased fertility and favorable circulation

Inactive Publication Date: 2013-02-06
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Studies have found that there are also microorganisms in the tailings pool without growing vegetation, mainly bacteria, fungi and actinomycetes, etc., but the number is very small, the growth is slow, and most of them are in a dormant state due to lack of water and nutrients.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Water retention test of substrate:

[0027] (1) Preparation of mixed fertilizer A: It is prepared from bamboo fiber degummed by biological enzyme, fermented animal manure and vegetable garden soil. The weight ratio of each component is: 10kg of bamboo fiber degummed by biological enzyme, fermented animal manure 25kg of feces and 60 kg of vegetable garden soil, mix well and set aside;

[0028] (2) Preparation of mixed fertilizer B: Mixed fertilizer B is an improved MS (Murashige and Skoog) solid medium. The preparation method is: MS liquid medium is prepared according to the conventional method, and the volume per liter of the prepared MS liquid medium is Add 20 g of sucrose and 3 g of plant gel, heat at 80°C for 20 minutes, and after cooling, cut into cubes with a length, width, and height of 0.5 cm for later use.

[0029] (3) Preparation of drought-tolerant nutrient matrix: prepared in parts by mass, 5.0 kg of mixed fertilizer A, 0.5 kg of mixed fertilizer B, 8.0 ...

Embodiment 2

[0032] Plant Material: Sagegrass ( Sedum linear ) and kudzu ( Pueraria lobata ).

[0033] Other materials: mixed fertilizer A, mixed fertilizer B and tailings slag (taken from a lead-zinc tailings pond in Hunan where no vegetation has grown).

[0034] (1) Preparation of mixed fertilizer A: It is prepared from bamboo fiber degummed by biological enzyme, fermented animal manure and vegetable garden soil. The weight ratio of each component is: 70kg of bamboo fiber degummed by biological enzyme, fermented Prepare 200kg of animal manure and 700kg of vegetable garden soil, mix well and set aside;

[0035] (2) Prepare mixed fertilizer B: Mixed fertilizer B is an improved MS medium. The preparation method is: MS liquid medium is prepared according to a conventional method, and 25.0 g of sucrose and 25.0 g of sucrose and 2.8 g vegetable gel, heated at 85°C for 15 minutes, after cooling, cut into cubes with a length, width, and height of 1 cm, and set aside.

[0036] (3) Prep...

Embodiment 3

[0042] Plant material: Sagegrass and kudzu.

[0043] Other materials: mixed fertilizer A, mixed fertilizer B and tailings slag (taken from a manganese tailings pond in Hunan where no vegetation has grown).

[0044] (1) Preparation of mixed fertilizer A: It is prepared from bamboo fiber degummed by biological enzyme, fermented animal manure and vegetable garden soil. The weight ratio of each component is: 50kg of bamboo fiber degummed by biological enzyme, fermented animal manure 150kg of manure and 650kg of vegetable garden soil;

[0045] (2) Prepare mixed fertilizer B: Mixed fertilizer B is an improved MS solid medium. The preparation method is: MS liquid medium is prepared according to the conventional method, and 30 g of sucrose is added to the prepared MS liquid medium by volume per liter. and 2.5 g plant gel, heated at 90°C for 10-20 minutes, after cooling, cut into cubes with a length, width, and height of 0.5 cm, and set aside.

[0046] (3) Preparation of drough...

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PUM

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Abstract

The invention discloses a method for promoting growth and propagation of plants and microorganisms in a mine tailing area, so as to achieve the target of rebuilding vegetation in the mine tailing area. The method comprises the steps of: firstly, preparing a drought-enduring nutrient substrate, applying the drought-enduring nutrient substrate into a plant planting pit formed in the mine tailing area, and planting Sedum lineare and Puerarialobata in the plant planting pit. Growth and propagation of the plants and the indigenous microorganism in the mine tailing area can be facilitated by the method, and a thick vegetation and an abundant microbial community are formed. The method disclosed by the invention can be applied to vegetation rebuilding and biological remediation in mine tailing and drought and salinity areas.

Description

technical field [0001] The invention relates to a method for improving the drought tolerance of plants and microorganisms in the tailings area, especially using a drought-resistant nutrient matrix to improve the tolerance of plants and microorganisms to drought, to promote the growth and reproduction of plants and microorganisms, and to achieve the purpose of repairing tailings by plants and microorganisms. The purpose of mine and hinder the migration of heavy metals in tailings slag to pollute the surrounding soil and water. Background technique [0002] The excessive drought caused by the weak water holding capacity of metal tailings slag is an important reason for the lack of vegetation and the scarcity of indigenous microorganisms in tailings ponds. The use of auxiliary measures to improve the drought resistance of plants and microorganisms can promote the growth and reproduction of plants and indigenous microorganisms in the arid tailings slag storage area, and rebuild ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00C05F15/00A01B79/02
Inventor 严明理冯涛向言词刘丽莉柴立元李夕兵
Owner CENT SOUTH UNIV
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