Method for improving heavy metal polluted soil by ectomycorrhizal fungus assisted pinus thunbergii

An ectomycorrhizal and soil-contaminated technology, applied in the fields of botanical equipment and methods, applications, and soilless cultivation, can solve the problems of destroying the physical and chemical properties of the soil, unfavorable plant growth, and no vegetation coverage, and achieve good growth and methods. Simple and environmentally friendly, the effect of reducing the effective content

Pending Publication Date: 2019-10-11
NANJING JINPU LANDSCAPE
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Problems solved by technology

And because heavy metals can be toxic to plants, soil animals, etc., the soil containing heavy metals is not conducive to plant growth, which further leads to no vegetation coverage on these soils, which in turn leads to lack of greening and soil erosion.
[0003] In the process of landscaping, in order to regreen the soil containing heavy metals, there are generally two m

Method used

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  • Method for improving heavy metal polluted soil by ectomycorrhizal fungus assisted pinus thunbergii
  • Method for improving heavy metal polluted soil by ectomycorrhizal fungus assisted pinus thunbergii
  • Method for improving heavy metal polluted soil by ectomycorrhizal fungus assisted pinus thunbergii

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[0030] Example 1

[0031] Using black pine as material, two ectophytic fungi, red wax mushroom and burgundy slime mushroom, were used to make inoculants. They were respectively inoculated on the roots of black pine seedlings. The growth status of the seedlings was measured 40 days after inoculation, and a stereo microscope was used. Observe the root mycorrhizal rate of seedlings. The seedlings were transplanted into pots containing heavy metal contaminated soil 60 days after being inoculated, and the growth of the plants was observed 6 months after transplanting, and the physical and chemical properties of the soil were analyzed.

[0032] 1. Cultivate black pine seedlings: Collect the black pine seeds of the year and store them in a 4℃ seed incubator. Weigh 10 grams of seeds, rinse them with tap water, and sterilize them with 10% hydrogen peroxide for 30 minutes. After washing, soak them in clean water for 24 hours, and then place them in a dark incubator at 35°C for 24 hours to a...

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Abstract

The invention belongs to the field of heavy metal polluted soil improvement and biotechnology, discloses a method for improving heavy metal polluted soil by ectomycorrhizal fungus assisted pinus thunbergii. The method is characterized by including the following steps that 1, pinus thunbergii seedlings are cultured; 2, an ectomycorrhizal fungus agent is prepared; 3, mycorrhizal pinus thunbergii iscultured; 4, heavy metal polluted soil is improved. The ectomycorrhizal fungus agent is adopted as a material to be inoculated into the root system of pinus thunbergii, the survival rate of the thunbergii seedlings planted in the heavy metal polluted soil is improved significantly, the physical and chemical properties of the soil are improved, and the heavy metal polluted soil is improved easily.

Description

technical field [0001] The invention belongs to the field of heavy metal polluted soil improvement and biotechnology, and in particular relates to a method for improving heavy metal polluted soil by using ectomycorrhizal fungi to assist black pine. Background technique [0002] With the increasing frequency of human activities, a large number of mineral resources have been developed and utilized, industrial production has developed rapidly, various chemical products, pesticides and fertilizers have been widely used or even abused, and pollutants containing heavy metals have passed through various channels (such as mining and smelting) , wastewater irrigation, application of chemical fertilizers and pesticides, etc.) into the soil environment. And because heavy metals can be toxic to plants and soil animals, the soil containing heavy metals is not conducive to plant growth, which further leads to no vegetation coverage on these soils, which in turn leads to lack of greening...

Claims

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Application Information

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IPC IPC(8): A01G31/00A01G18/10A01G24/28A01G24/15A01G24/10A01G18/20A01G18/40A01G17/00
CPCA01G31/00A01G18/10A01G24/28A01G24/15A01G24/10A01G18/20A01G18/40A01G17/005
Inventor 汤阳泽张志南顾亚兰王丽刘雁丽
Owner NANJING JINPU LANDSCAPE
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