Low-temperature phosphate solubilization Sinorhizobium fredii and inoculant thereof

A Sinorhizobium and phosphorus-dissolving technology, applied in the direction of bacteria, microorganisms, biochemical equipment and methods, etc., can solve the threat of sustainable agricultural development, increase agricultural production costs, and environmental pollution, etc., to increase the number of root nodules , Reduce the use of chemical fertilizers, increase the effect of production

Inactive Publication Date: 2016-08-10
AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Extensive use of chemical fertilizers not only increases the cost of agricultural production, but also tends to cause soil compaction, resulting in reduced crop yields
A large amount of unused nitrogen, phosphorus, potassium and other nutri

Method used

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  • Low-temperature phosphate solubilization Sinorhizobium fredii and inoculant thereof
  • Low-temperature phosphate solubilization Sinorhizobium fredii and inoculant thereof
  • Low-temperature phosphate solubilization Sinorhizobium fredii and inoculant thereof

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Embodiment Construction

[0016] The method of the present invention is described below through specific embodiments. Unless otherwise specified, the technical means used in the present invention are all methods known to those skilled in the art. In addition, the embodiments should be understood as illustrative rather than limiting the scope of the present invention, and the spirit and scope of the present invention are only defined by the claims. For those skilled in the art, without departing from the essence and scope of the present invention, various changes or modifications to the material components and dosages in these embodiments also belong to the protection scope of the present invention.

[0017] A low-temperature phosphate-soluble Sinorhizobium, the screening and identification process is as follows:

[0018] The strain ATHC-2 of the present invention is isolated from soybean nodules in Antu County, Yanji City, Jilin Province. Collect fresh soybean nodules from the field, place them in a steri...

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Abstract

The invention relates to low-temperature phosphate solubilization Sinorhizobium fredii and inoculant thereof. The strain name is ATHC-2, the classification name is Sinorhizobium sp., the preservation unit is the China General Microbiological Culture Collection Center, the preservation number is CGMCC No. 10651, the preservation date is March 20, 2015, and the preservation address is No. 3, NO. 1 Courtyard, Beichen West Road, Chaoyang District, Beijing. The bacterial strain ATHC-2 disclosed by the invention can resist the influence on the growth of the bacterial strain ATHC-2 by low temperature, and has high phosphate solubilization activity. Low-temperature-resistant rhizobium inoculant is used for alleviating influence on soybean nodulation and nitrogen fixation in agricultural production, improve soil fertility, reduce the use amount of fertilizer and improve the yield and the quality of crops including soybean and the like.

Description

Technical field [0001] The invention belongs to the field of planting industry and fertilizers, and relates to a low-temperature phosphate-soluble Sinorhizobium and its bacterial agent. Background technique [0002] my country's agricultural production has long adopted a high-input and high-output development model, which has led to a serious dependence on chemical fertilizers in agricultural production. The extensive use of chemical fertilizers not only increases the cost of agricultural production, but also tends to cause soil compaction, resulting in reduced crop yields. A large amount of unused nitrogen, phosphorus, potassium and other nutrients enter the ecological environment of groundwater and rivers with rainfall, leading to eutrophication of river water bodies, ecological imbalance and environmental pollution, and threatening the sustainable development of agriculture. [0003] Biological nitrogen fixation has the effect of increasing crop yields and fertilizing the soil ...

Claims

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Application Information

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IPC IPC(8): C12N1/20C12R1/01
CPCC12N1/20C12N1/205C12R2001/01
Inventor 郭军康郭瑾卢书华冯人伟王瑞刚丁永祯
Owner AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI
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