Composite microbial agent for improving crop yield and quality and application

A compound microbial inoculant and compound inoculant technology, applied in the field of microorganisms, can solve the problems that beneficial bacteria are difficult to form dominant flora, low activity of natural microorganisms, etc., achieve adsorption and passivation of heavy metals and pesticide residues, improve single plant The number of fruit, the effect of activating the root system of the plant

Inactive Publication Date: 2019-02-12
SHANGHAI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the natural microbial activity is low, and it is difficult for beneficial bacteria to form a dominant flora

Method used

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  • Composite microbial agent for improving crop yield and quality and application
  • Composite microbial agent for improving crop yield and quality and application
  • Composite microbial agent for improving crop yield and quality and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: preparation of composite microbial bacterial agent

[0024] The microbial composite bacteria agent used in this example was purchased from the Agricultural Culture Collection of China (ACCC), and its corresponding bacterial species name and preservation number are as follows:

[0025] Chinese name

Accession number

Generic name

Bacillus subtilis

ACCC01185

Bacillus subtilis

Bacillus licheniformis

ACCC01655

Bacillus licheniformis

Bacillus jelly-like

ACCC01434

Bacillus mucilaginosus

Lactobacillus plantarum

ACCC10171

Lactobacillus plantarum

[0026] The activation medium used in this example was prepared from 5 g of beef extract, 5 g of peptone, 5 g of sodium chloride, and 1000 mL of water, with a pH of 6.5.

[0027] The preparation method of the production fermentation medium used in the present embodiment is: 10 kg of starch, 10 kg of bean cake powder, 1 kg of peptone, 1 kg of a...

Embodiment 2

[0034] Embodiment 2: the application test of compound microbial bacterial agent on strawberry

[0035]In this embodiment, the composite microbial bacterial agent prepared in Example 1 was tested. This experiment was carried out in Duhang Village, Pujiang Town, Minhang District, Shanghai. The terrain of the experimental field is flat, the soil strength is uniform, the soil type is paddy soil, and the texture is medium loam. Before the experiment, soil samples were collected for the determination and analysis of the basic conditions of soil nutrients (see Table 1). The crops planted in the experimental field are strawberries (variety: Hongyan). The specific experimental design is as follows:

[0036] The experiment was greenhouse cultivation with a planting density of 6,500 plants / mu. A plot with uniform fertility was selected as a plot test, and a plot was set up along the vertical direction of the plot's fertility change direction. There were 3 treatments in the test, and 3...

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PUM

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Abstract

The invention discloses a composite microbial agent and application thereof for improving the crop yield and quality, and relates to the field of microorganisms. The invention provides a composite microbial agent which is prepared by mixing composite bacterial agents, trace elements, kieselguhr and drying agents, wherein the composite bacterial agents are prepared from bacillus subtilis, bacilluslicheniformis, bacillus mucilaginosus and plant lactobacillus. The composite microbial agent can reasonably match various beneficial strains forming dominant bacterial communities; after the compositemicrobial agent is applied into farmland soil according to a certain proportion, on the one hand, the soil fertility improvement is facilitated; the soil-borne diseases can be reduced; the chemical fertilizer utilization rate is improved; on the other hand, the crop root system activity and stress resistance are improved; the absorption of soil heavy metal and pesticide residue by plants can be inhibited; the crop yield and the quality are improved.

Description

technical field [0001] The invention belongs to the technical field of microorganisms, and in particular relates to the application of a composite microbial bacterial agent in agricultural production. Background technique [0002] In recent years, with the rapid development of my country's agricultural economy, agricultural production has generally faced problems such as aggravation of soil-borne diseases, imbalance of soil microbial populations, decline of soil fertility, serious heavy metal pollution and pesticide residues, and low utilization rate of chemical fertilizers, which have led to crop yields and Quality drops. [0003] There are many kinds of microorganisms in soil, including bacteria, fungi, and actinomycetes. These microorganisms are important components of soil life, and are closely related to plant growth directly or indirectly. Beneficial microorganisms in the soil can colonize the rhizosphere of plants and establish a mutualistic symbiotic relationship wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C12N1/20C12R1/125C12R1/10C12R1/07C12R1/25
CPCC05D5/00C05G3/00C12N1/20C05D9/00C05D9/02C05F11/08
Inventor 秦秦薛永宋科孙丽娟孙雅菲
Owner SHANGHAI ACAD OF AGRI SCI
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