Environment-friendly straw fermenting agent

A technology of straw fermentation agent and Saccharomyces cerevisiae, applied in the field of microorganisms, can solve the problems of low total degradation rate of cellulose, long fermentation cycle, weak decomposition ability, etc., and achieve the effect of strong ability to adapt to the external environment, easy operation, and strong enzyme activity

Inactive Publication Date: 2012-06-27
宋保德
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a high-efficiency and environment-friendly straw fermentation agent in order to solve the problems of single types of microbial agents, weak decomposition ability, low total degradation rate of cellulose and long fermentation cycle used in the straw fermentation and degradation process in the prior art.

Method used

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  • Environment-friendly straw fermenting agent

Examples

Experimental program
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Effect test

Embodiment 1

[0045] An environmentally friendly straw starter, the active ingredients of the inoculant are raw materials in the following weight percentages:

[0046] Bacillus subtilis 25%, Trichoderma viride 15%, Saccharomyces cerevisiae 18%,

[0047] Aspergillus niger 12%, Streptomyces hygroscopicus 10%, Trichoderma corningensis 10%, Arthrobacter 10%.

[0048] The selection of Bacillus subtilis, Trichoderma viride, Saccharomyces cerevisiae, Aspergillus niger, Streptomyces hygroscopicus, Trichoderma corningii, Arthrobacter is widely available, and can be purchased from commercial sources, such as China Agricultural Microbial Culture Collection Management Center , The General Microbiology Center of the Chinese Microbial Culture Collection Management Committee, or the American Culture Collection (ATCC) and other commercial channels.

[0049] The preparation steps of each strain are:

[0050] Separate expansion culture of various strains:

[0051] A. Cultivation of Bacillus subtilis and Arthrobacter: ...

Embodiment 2

[0059] An environmentally friendly straw starter, the active ingredients of the inoculant are raw materials in the following weight percentages:

[0060] Bacillus subtilis 25%, Trichoderma viride 15%,

[0061] Saccharomyces cerevisiae 18%, Aspergillus niger 12%,

[0062] Streptomyces hygroscopicus 10%, Trichoderma corningensis 10%,

[0063] Arthrobacter 10%.

[0064] In the above bacterial agents, the Bacillus subtilis is specifically Bacillus subtilis (Bacillus subtilis) ACCC 01178;

[0065] The Trichoderma viride is specifically Trichoderma viride ACCC 30206;

[0066] The Saccharomyces cerevisiae is specifically Saccharomyces cerevisiae ACCC 20037;

[0067] The Aspergillus niger is specifically Aspergillus niger ACCC30117;

[0068] The Streptomyces hygroscopicus is specifically Streptomyces hygroscopicus ACCC41508;

[0069] The Trichoderma konigii is specifically Trichoderma konigii ACCC 30388;

[0070] The Arthrobacter is specifically Arthrobacter SP. ACCC 10658;

[0071] The preparation st...

Embodiment 3

[0080] The environmentally friendly straw starter prepared in Example 2 was selected as the experimental site in Nanzhangyu Village, Cangshan County, Shandong Province. The main crop rotation mode was early rice-late rice-cole. After the early rice was harvested, all straws were returned to the field, and no-tillage seedling throwing was implemented. The test crop is hybrid rice.

[0081] test results

[0082] After the rice was harvested, the straws were spread in the experimental field, and the experimental field with the environmentally friendly straw starter of the present invention applied 2kg of the inoculum prepared in Example 2 per acre, and the control group did not use the environmentally friendly straw starter, and then irrigated to observe the changes of straw maturity :

[0083] Table 1 Straw maturity of different treatments

[0084]

[0085] Rice yield experiment: The experiment has 9 plots, each plot is (6×8)m 2 ;, Random block arrangement. 0.15 kg of environmentally ...

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Abstract

The invention relates to an environment-friendly straw fermenting agent. The environment-friendly straw fermenting agent is prepared from the following seven raw materials in percentage by weight: 25 percent of bacillus subtilis, 15 percent of trichoderma viride, 18 percent of saccharomyces cerevisiae, 12 percent of aspergillus niger, 10 percent of streptomyces hygroscopicus, 10 percent of trichoderma koningii and 10 percent of arthrobacter. The environment-friendly straw fermenting agent can accelerate the decomposition speed of cellulose and can completely decompose crop straws within aboutten days to return to the field, so that the straws are corroded, blackened and composted. The environment-friendly straw fermenting agent can accelerate release of nutrient elements in the straws, provides more nutrients for growth of the crops at the later stage, maintains and improves soil fertility, improves soil organic matter, improves physicochemical property of the soil, increases the yield of the crops by about 10 percent, and can be widely applied to returning straws of the crops such as rice, wheat, corn and the like to the field.

Description

Technical field [0001] The invention belongs to the technical field of microorganisms, and specifically relates to an environmentally friendly straw fermentation microbial inoculum. Background technique [0002] More than half of the products of crop photosynthesis exist in straw. Straw is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter. It is a strategic reserve renewable resource. my country is rich in crop straw resources, with huge quantities and diverse types. According to statistics, the annual output of crop straw is more than 700 million tons, including 230 million tons of rice straw, 220 million tons of corn straw, and 300 million tons of beans and potatoes, accounting for about 30% of the world's total straw. [0003] Because straw is not easy to decompose in a short period of time, the straw resources have not been reasonably developed for a long time. Except for a small amount of used for gaskets, feeding of livestock, and part of compostin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/00C12N1/14C12N1/18C12N1/20C05F11/08C12R1/125C12R1/06C12R1/865C12R1/885C12R1/685C12R1/55
Inventor 何颖霞
Owner 宋保德
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