Phosphorous-rich region phosphorous loss prevention and control plant community disposition method

A plant community and configuration method technology, applied in the restoration of polluted soil, etc., can solve the problems of inability to fix phosphorus for a long time, secondary pollution, risk of phosphorus loss and poor effect, etc., to improve the effect, reduce the phosphorus content, The effect of enhancing the function of water and soil conservation

Pending Publication Date: 2019-04-23
YUNNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These methods can play a good role in a short period of time, but these modifiers cannot fix phosphorus for a long time, on the contrary there is a risk of secondary pollution
Likewise, biological fixation is not effective in reducing the

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  • Phosphorous-rich region phosphorous loss prevention and control plant community disposition method
  • Phosphorous-rich region phosphorous loss prevention and control plant community disposition method
  • Phosphorous-rich region phosphorous loss prevention and control plant community disposition method

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Embodiment Construction

[0028] In order to make the purpose, technical solutions and advantages of the present invention clearer, the following technical solutions in the present invention are clearly and completely described. Obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0029] Technical solutions include:

[0030] 1. Improve soil nitrogen: Moderately increase soil nitrogen by planting leguminous plants such as Albizia Julibrissinus, Solanum bean, and alfalfa. At the same time, collect the aboveground parts of Eupatorium adenophorum, succulent grass, and other herbaceous plants in the project area, and lay them in the project area to increase the content of soil organic matter and soil nitrogen content.

[0031] 2. Plant selecti...

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Abstract

The invention provides a phosphorous-rich region phosphorous loss prevention and control plant community disposition method. The phosphorous-rich region phosphorous loss prevention and control plant community disposition method comprises the following steps of, firstly, determining the area of a mountainous region severe in water and soil loss and rich in phosphorous; secondly, determining plantsplanted in the area of the mountainous region severe in water and soil loss and rich in phosphorous in the first step; thirdly, according to the dynamic features of seasonal change of nutrients of theplants in the second step, selecting appropriate plant species to be deposed, and according to the difference of plant functional groups in different habitats, performing community division, selecting plants applicable to being gathered together to provide a scientific basis and the like for vegetation recovery. The phosphorous-rich region phosphorous loss prevention and control plant community disposition method is mainly applied to mountain water and soil loss and phosphorous-rich region phosphorous output to structure low-cost and high-efficiency effective plant communities, thereby beingapplicable to basin water and soil loss control as well as phosphorous output reduction and control of mountain non-point source pollution.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a plant community configuration method for preventing and controlling phosphorus loss in phosphorus-rich areas. Background technique [0002] How to restore and manage phosphorus-rich soil has become a worldwide problem that plagues human development. The use of chemical and biological modifiers to reduce water-soluble phosphorus is a common method used in the past. Lime, iron salts, calcium salts and aluminum salts are the main chemical modifiers. These methods can play a good role in a short period of time, but these modifiers cannot fix phosphorus for a long time, on the contrary there is a risk of secondary pollution. Likewise, biological fixation has not been effective in reducing the risk of phosphorus loss. There are also studies devoted to screening phosphorus-enriching microorganisms, but because the survival of microorganisms is restricted...

Claims

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Application Information

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IPC IPC(8): B09C1/00
CPCB09C1/00
Inventor 段昌群刘嫦娥付登高赵永贵施政廷何高迅
Owner YUNNAN UNIV
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