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Microbial fertilizer containing stevioside flocculation slag

A technology of microbial fertilizer and stevia, applied in the field of green fertilizers and fertilizers, can solve the problems of secondary soil pollution, accelerated soil acidification, large output of flocculation residues, etc., to improve soil structure, improve comprehensive fertilizer efficiency, and realize recycling and comprehensive recycling. The effect of using

Inactive Publication Date: 2018-06-05
CHENGUANG BIOTECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the treatment methods are to add flocculation slag to livestock and poultry manure or other organic materials for simple fermentation to produce organic fertilizer. Since the flocculation slag contains a large amount of iron and aluminum ions, applying excessive amounts to the soil for a long time will accelerate soil acidification and cause secondary pollution to the soil. risk
In addition, the flocculated slag is not treated, discarded casually, piled up randomly, causing environmental pollution
[0005] The large output of flocculated slag, difficult treatment and low utilization are the problems that have plagued the development of stevioside extraction enterprises for a long time

Method used

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  • Microbial fertilizer containing stevioside flocculation slag
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  • Microbial fertilizer containing stevioside flocculation slag

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preparation example Construction

[0028] The preparation method of stevioside flocculation slag microbial fertilizer comprises the steps:

[0029] The stevioside flocculation slag is dried and pulverized to obtain the stevioside flocculation slag dry powder. The strains are the strains on the inclined plane of the test tube, the strains in the triangular flask, the expansion of the first-level seed tank, the expansion of the second-level seed tank, the expansion of the fermentation tank, and the expansion of the bacteria. High-content strain spores, concentrated and dried strain powder, the strain powder contains 10-30 billion effective viable bacteria / g. Stevioside flocculation slag dry powder and strain powder are uniformly mixed at a mass ratio of 100:1-10 to prepare microbial fertilizer.

Embodiment 1

[0031] A microbial fertilizer containing stevioside flocculation slag comprises stevioside flocculation slag and strains. The composition of stevioside flocculation residue is 30.0% of small molecule organic carbon, 4.0% of CaO, 2.0% of MgO, Fe 2+ +Fe 3+ Contains 0.5%, N+P 2 o 5 +K 2O content 3.0%, small molecule organic carbon including hemicellulose, protein, amino acid, polypeptide and pectin. The bacteria are nitrogen-fixing bacteria. The flocculants used in the process of generating stevia flocculation slag include food-grade calcium hydroxide, food-grade magnesium sulfate and food-grade ferrous sulfate, and the weight ratio of food-grade calcium hydroxide, food-grade magnesium sulfate and food-grade ferrous sulfate It is 3:4:1.

[0032] The preparation method of stevioside flocculation slag microbial fertilizer comprises the steps:

[0033] The stevioside flocculation slag is dried and pulverized to obtain the stevioside flocculation slag dry powder. The nitrogen-...

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Abstract

The invention discloses a microbial fertilizer containing stevioside flocculation slag. The microbial fertilizer comprises stevioside flocculation slag and a strain and belongs to the field of green fertilizers. The availability of stevioside flocculation slag can be improved, the soil structure is improved, the utilization ratio and the persistent effect of the fertilizer are improved, the microbial fertilizer containing stevioside flocculation slag can replace various fertilizers including a common microbial fertilizer, an organic fertilizer, a medium-element iron fertilizer, a micro-elementiron fertilizer and the like, the manual cost of fertilizer application is greatly lowered, and the comprehensive fertilizer effect is remarkably improved.

Description

technical field [0001] The invention relates to fertilizers, in particular to microbial fertilizers, belonging to the field of green fertilizers. Background technique [0002] Stevioside is a steviol glycoside extracted from stevia leaves, which is the "third sugar source" after sucrose and beet sugar. The sweetness of stevia is 300 times that of sucrose, but the calories are only 1 / 300 of sucrose. Because stevioside has high sweetness, low calorie, good stability and is harmless to the human body, it is a high-grade sweetness additive and is widely used in the food industry at home and abroad. With the improvement of people's living standards, the demand for stevia is increasing. At present, my country has become the country with the largest stevia planting area, the largest harvesting and processing volume, and the largest export volume of stevia in the world. [0003] The extraction of stevioside mostly uses water as the medium, and the continuous countercurrent extrac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
CPCC05D3/02C05G3/80C05D5/00C05D9/02C05F5/006C05F11/08
Inventor 卢庆国陈月萍李同增
Owner CHENGUANG BIOTECH GRP CO LTD
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