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Method for promoting plant growth and improving soil through synergistic effect of arbuscular mycorrhiza and phosphate solubilizing bacteria

A technology for promoting plant growth and arbuscular mycorrhizal fungi, applied in botany equipment and methods, soil preparation methods, horticultural methods, etc., can solve problems such as soil desertification, restriction of surface vegetation growth and ecological reconstruction, and soil structure damage. The effect of promoting absorption and improving the efficiency of land reclamation

Inactive Publication Date: 2017-01-04
CHINA UNIV OF MINING & TECH (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The disturbance of coal mining causes the fertility of the surface soil to decrease, the soil structure to destroy, and the biological community to decrease sharply. In addition, China's coal is mainly distributed in the arid and semi-arid regions of the west. This area is arid and water-deficient, and the soil desertification is serious, and the background value of available nutrients in the soil is low. , the phenomenon of phosphorus deficiency is serious, which seriously restricts the growth of surface vegetation and ecological reconstruction in this area.

Method used

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  • Method for promoting plant growth and improving soil through synergistic effect of arbuscular mycorrhiza and phosphate solubilizing bacteria
  • Method for promoting plant growth and improving soil through synergistic effect of arbuscular mycorrhiza and phosphate solubilizing bacteria
  • Method for promoting plant growth and improving soil through synergistic effect of arbuscular mycorrhiza and phosphate solubilizing bacteria

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Experimental program
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Effect test

Embodiment 1

[0038] Embodiment 1, joint inoculation of arbuscular mycorrhiza and phosphate-solubilizing bacteria on the impact of plant growth and sandy soil improvement

[0039] 1. Overview of the test area

[0040] The test area is located in the transition zone between the northern side of the Shaanxi Plateau and the southeastern edge of the Mu Us Desert. It is located at 109°13′-110°67′ east longitude and 38°50′-39°47′ north latitude, with an area of ​​3842km 2 . Located in Shendong Daliuta Coal Mining Subsidence Area, Shenmu County, Shaanxi Province. The area is prevalent in the west and northwest with strong winds, drought, less rain and more wind and sand throughout the year, which is a typical arid and semi-arid plateau continental climate; the annual average number of windy days is 14 days, and the annual average precipitation is 441mm, mainly concentrated in July-September. The average evaporation is 1337mm, which is 3 times of the precipitation; the annual average temperature ...

Embodiment 2

[0070] Embodiment 2, joint inoculation of arbuscular mycorrhiza and phosphate-solubilizing bacteria on plant growth and the impact of loess soil improvement

[0071] 1. Materials and methods

[0072] 1. Test material

[0073] (1) Test soil

[0074] The soil used in the test was collected from the subsidence of Gaojiapan Huojitu Mining Area, Daliuta Town, Shenmu County, Shaanxi Province. The soil water holding capacity is more than 55% of the maximum water holding capacity. Soil samples were sterilized by high-temperature and high-pressure steam (121°C, 1h), air-dried, and passed through a 1mm sieve for later use. The basic physical and chemical properties of the soil in the subsidence area are: pH value 7.45, available phosphorus 7.2mg·kg -1 , total phosphorus 412mg·kg -1 , available potassium 50mg·kg -1 , conductivity 55.9μS·cm -1 , the maximum water holding capacity is 42%.

[0075] (2) Tested strains and tested plants

[0076] The tested arbuscular mycorrhizal (AM) ...

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Abstract

The invention discloses a method for promoting plant growth and improving soil through synergistic effect of arbuscular mycorrhiza and phosphate solubilizing bacteria. The method for promoting plant growth on the barren soil and improving the soil through the arbuscular mycorrhizal fungi and the phosphate solubilizing bacteria specifically comprises the following steps that a, plants are planted on the barren soil; b, the mixed arbuscular mycorrhizal fungi and phosphate solubilizing bacteria are applied to the planted plants in the step a. Absorption of the plants to phosphorus and mineral elements is promoted through the synergistic effect of arbuscular mycorrhiza and the phosphate solubilizing bacteria, therefore, growth of the plant is promoted, the soil is improved, the method has positive ecological significance on land rehabilitation efficiency improvement, and microbial technical support is provided for mine lot land rehabilitation and ecological reconstruction.

Description

technical field [0001] The invention belongs to the field of ecology, and relates to a method for synergistically promoting plant growth and soil improvement with arbuscular mycorrhizal fungi and phosphate-solubilizing bacteria. Background technique [0002] Nitrogen, phosphorus, and potassium are the three essential elements for plant growth and the important material basis for plant growth. The amount of nitrogen, phosphorus, potassium, and mineral elements absorbed by plants is significantly positively correlated with their biomass and yield. There is a large amount of phosphorus in the soil, but most of these phosphorus elements are organic and inorganic phosphorus that cannot be directly absorbed by plants. Phosphorus solubilizers are a special functional group of microorganisms that can convert insoluble phosphorus into soluble phosphorus that plants can absorb and utilize in soil. For the calcareous soil in the north, the phosphorus solubilizing effect of phosphate s...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G7/06
CPCA01B79/02A01G7/06
Inventor 毕银丽江彬全文智高斐
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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