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Alga-bacterium co-cultivation method for promoting plant growth

A technology for promoting plant growth and algae, which is applied in the co-cultivation of algae, the co-cultivation of Chlorella seawater and photosynthetic bacteria, and can solve the problems of inconvenient storage and use, and difficulty in exerting a synergistic effect.

Inactive Publication Date: 2018-05-25
湖北绿安生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the disadvantages of inconvenient storage and use and difficulty in synergistic effects of separate cultivation of chlorella and photosynthetic bacteria in the prior art, single or mixed use, and to provide a plant growth-promoting algal fungus co-cultivation method

Method used

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Examples

Experimental program
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specific Embodiment 1

[0008] This embodiment relates to a method for co-cultivating algal bacteria that promote plant growth, comprising the following steps:

[0009] Prepare medium solution, which is prepared in proportion from NaHCO3, sodium acetate, KNO3, KH2PO4, yeast extract, CaCl2, and sodium citrate; Sodium 1.0~2.0mg / l, NH4Cl 1.0~2.0mg / l, KNO3 0.1~0.3mg / l, KH2PO4 0.5~1.5mg / l, yeast extract 0.25~0.75mg / l, sodium citrate 0.25~0.75mg / l ; The pH value of the medium solution is 7.0-7.5.

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Abstract

The invention relates to an alga-bacterium co-cultivation method for promoting plant growth. The alga-bacterium co-cultivation method is characterized by comprising a step of preparing a medium solution which is composed of NaHCO3, sodium acetate, KNO3, KH2PO4, yeast extract and sodium citrate in proportion, wherein the pH value of the medium solution is in a range of 7.0 to 7.5. In virtue of a formula with a specific ratio acquired through repeated testing and verification and the synergism of algae and bacteria, alga-bacterium co-cultivation is realized; and compared with traditional culturemethods, the concentrations of algae and bacteria in the invention are increased by 43.4% and 58.1%, respectively, and cultivation costs are reduced by 30.7% and 38.3%, respectively.

Description

technical field [0001] The invention relates to a co-cultivation method of algal bacteria for promoting plant growth, which is a co-cultivation technology of seawater chlorella and photosynthetic bacteria. The invention belongs to the field of agricultural planting fertilizers, especially the technical field of microbial fertilizers. Background technique [0002] Seawater chlorella is a nutrient-rich single-celled algae. It is usually used as biological bait for economic species such as shellfish and prawns. It can also be used to cultivate open bait for fish such as rotifers and copepods. It is rich in essential amino acids , essential fatty acids, glycoproteins, nucleic acids and other biologically active substances can enhance the immunity of aquatic animals and have important application value in marine aquaculture. In addition, Chlorella absorbs nitrogen, phosphorus, CO2, etc. from the water body and performs oxygen-producing photosynthesis. On the one hand, it can eff...

Claims

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Application Information

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IPC IPC(8): C12N1/20C12N1/12C12R1/89
CPCC12N1/20C12N1/12
Inventor 邹杰
Owner 湖北绿安生物科技有限公司