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Soil microbial conditioner and preparation method thereof

A technology for soil microorganisms and improvers, applied in the field of soil remediation, can solve problems such as inability to function, nutrient imbalance, and nutrient competition, and achieve the effects of speeding up soil remediation, promoting growth, and increasing organic matter content

Inactive Publication Date: 2018-04-06
DALIAN UNIV OF TECH QINGDAO NEW ENERGY MATERIALS TECH RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current physical amendments can only change the physical properties of the soil, but do not fundamentally solve the problem. The use of beneficial microorganisms to improve the micro-ecological flora of the crop rhizosphere soil converts the difficult-to-use substances of crops into usable ones. effective nutrients, repair the soil structure, and truly achieve the purpose of repairing the soil
However, there are also certain problems in the microbial modifiers on the market. For example, there are too many types of microorganisms, which not only increase the cost, but also cause nutrient competition and mutual inhibition; microorganisms are not natural microorganisms in the soil, and they have obvious effects but cannot colonize in the soil. , needs to be constantly replenished; after microorganisms are added to the soil, due to the poor growth environment and lack of nutrients, the growth and reproduction are slow and cannot play a role; balance etc.

Method used

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  • Soil microbial conditioner and preparation method thereof
  • Soil microbial conditioner and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The functional microorganisms are Bacillus lateralis, Bacillus megaterium, Bacillus jelly-like, Bacillus licheniformis, Streptomyces jingyang, Lactobacillus plantarum, Bacillus circulans and Trichoderma viride, mixed in equal proportions, after mixing, each gram of powder can live The amount of bacteria is 8.37×10 9 , the functional microorganisms are all screened from soil.

[0029] The carrier is mixed with chicken manure and straw at a ratio of 1:1, inoculated with 3% Bacillus subtilis and 3% Aspergillus niger, the moisture content is controlled at 40%, and fermented at 30°C. During the fermentation process, the temperature first increased and then decreased, and the decomposing speed was faster, and the fermentation ended after 3 days. Since the strain can produce high-temperature-resistant spores or spores, it is dried at 70°C and then pulverized. The sensory odor of the carrier basically disappeared, and the measured live bacteria per gram of dry material was 1....

Embodiment 2

[0032] The key influencing factor for the function of the functional microorganisms used in microbial soil amendments is the ability to adapt to the soil and realize the stable growth and reproduction of the flora. In this example, the strains of the microbial soil amendment were compared with the same strains from other sources to verify the adaptability and stability of the functional flora.

[0033] Three microorganisms of Bacillus licheniformis, Lactobacillus plantarum and Trichoderma viride were selected as experimental comparison strains. The three microorganisms selected in the test group were all selected from the soil, and the three microorganisms selected in the control group were all from other ways, and other conditions were the same. The carrier is chicken manure and straw mixed at a ratio of 1:1, inoculated with 3% Bacillus subtilis and 3% Aspergillus niger, the water content is controlled at 40%, and fermented at 30°C. After the fermentation is finished, it is d...

Embodiment 3

[0040] The functional microorganisms are Bacillus megaterium, Bacillus jelly-like, Streptomyces jingyang and Trichoderma viride, mixed according to the mass ratio of 2:2:3:3, the amount of live bacteria per gram of powder after mixing is 7.24×10 9 .

[0041] The carrier is mixed with chicken manure and straw at a ratio of 2:1, inoculated with 5% Enterococcus faecalis and 3% Saccharomyces cerevisiae, the moisture content is controlled at 30%, and fermented at 35°C. During the fermentation process, the temperature first increased and then decreased, and the decomposing speed was relatively slow, and the fermentation ended after 5 days. Since the strains used are not resistant to high temperature, they should be dried at 50°C and then pulverized. The odor of the carrier sensory completely disappears, and it has the aroma of wine. The measured live bacteria per gram of dry material is 9.83×10 8 .

[0042] The functional microorganism and the carrier are mixed according to the m...

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Abstract

The invention relates to a soil microbial conditioner and a preparation method thereof and belongs to the technical field of soil remediation. The soil microbial conditioner is prepared from, in percentage by mass, 20%-40% of functional microbes and 60%-80% of a carrier. The functional microbes comprise one or more of Bacillus laterosporus, Bacillus megaterium, Bacillus mucilaginosus, Bacillus licheniformis, Streptomyces chingyangensis, Lactobacillus plantarum, Bacillus circulans, Pseudomonas stutzeri and Trichoderma viride. The soil microbial conditioner is prepared through culturing and enriching of functional microbes screened from specific soil and attaching of the functional microbes to the carrier, has very high adaptability and colorization capacity for soil, and can quickly regulate balance of microbial florae in the soil, repair soil structures and fundamentally solve the land problems of soil hardening, pesticide residues and the like.

Description

technical field [0001] The invention relates to a soil microbial modifier and a preparation method thereof, belonging to the technical field of soil restoration. Background technique [0002] Due to the long-term plundering of cultivated land in many areas of my country, nutrients are lost and the quality of cultivated land is seriously damaged. The invention and use of chemical fertilizers have promoted the development of agriculture for a certain period of time, but long-term use has also highlighted many disadvantages. Too much reliance on the use of chemical fertilizers, and the low utilization rate of chemical fertilizers have caused a series of problems such as degradation of cultivated land, shallow cultivation layers, land compaction, and environmental pollution. In order to achieve the goal of high yield, high quality and high efficiency for the sustainable development of agriculture, soil improvement and restoration must be paid attention to. [0003] The current...

Claims

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Application Information

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IPC IPC(8): C05G3/04C05G3/80
CPCC05F3/00C05F9/04C05G3/80C05F11/08C05F11/00C05F17/20
Inventor 祝玉洪陈兰
Owner DALIAN UNIV OF TECH QINGDAO NEW ENERGY MATERIALS TECH RES INST CO LTD
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