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Preparation method of compound seaweed fertilizer

A fertilizer and seaweed technology, which is applied in the field of compound seaweed fertilizer preparation, can solve the problems of affecting the fertilizer effect and destroying the effective active ingredients of seaweed, and achieve the effect of reducing residue discharge, improving potency and lasting fertilizer effect

Inactive Publication Date: 2017-10-27
YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the processing of domestic seaweed fertilizer mainly adopts the method of chemical degradation, which destroys more active ingredients in seaweed and affects the effect of fertilizer in the later stage

Method used

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  • Preparation method of compound seaweed fertilizer

Examples

Experimental program
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Effect test

Embodiment 1

[0032] In the present embodiment, the preparation method of compound seaweed fertilizer specifically comprises the following steps:

[0033] (1) Pretreatment: Fresh brown algae, red algae, green algae, sargassum, fucus, the mass ratio of brown algae, red algae, green algae, sargassum, and fucus is as follows: 70:10:10:5: 5. Wash repeatedly, filter out impurities, dehydrate until the water content is 45wt%, and freeze at -20°C for 6 hours; take it out and crush it with a tissue crusher until the particle size is 70 mesh, add water according to the mass ratio of material to liquid 1:0.8, and stir make a homogenate;

[0034] (2) Enzymolysis treatment: add β-1,4-glucanase, cellobiohydrolase, 1,4-β-mannuronate lyase, bromelain, glucoamylase to the obtained homogenate, ℃, pH 5, enzymatic hydrolysis for 10 hours, separate the enzymatic hydrolyzate and residue;

[0035] Among them, the amount of enzyme added is: β-1,4 glucanase 1.5g / L; cellobiohydrolase 2.2g / L; 1,4-β-mannuronate ly...

Embodiment 2

[0040] In the present embodiment, the preparation method of compound seaweed fertilizer specifically comprises the following steps:

[0041] (1) Pretreatment: Fresh brown algae, red algae, green algae, sargassum, fucus, the mass ratio of brown algae, red algae, green algae, sargassum, and fucus is as follows: 50:15:15:10: 10. Wash repeatedly, filter out impurities, dehydrate until the water content is 41wt%, and freeze at -16°C for 5 hours; take it out and crush it with a tissue crusher until the particle size is 60 mesh, add water according to the mass ratio of material to liquid 1:0.6, and stir make a homogenate;

[0042] (2) Enzymolysis treatment: add β-1,4 glucanase, cellobiohydrolase, 1,4-β-mannuronate lyase, bromelain, glucoamylase to the obtained homogenate, ℃, pH 4, enzymatic hydrolysis for 8 hours, and separate the enzymatic hydrolyzate and residue;

[0043] Among them, the amount of enzyme added is: β-1,4 glucanase 1.2g / L; cellobiohydrolase 2.1g / L; 1,4-β-mannuronate...

Embodiment 3

[0048] In the present embodiment, the preparation method of compound seaweed fertilizer specifically comprises the following steps:

[0049] (1) Pretreatment: Fresh brown algae, red algae, green algae, sargassum, fucus, the mass ratio of brown algae, red algae, green algae, sargassum, and fucus is as follows: 65:10:11:6: 8. Wash repeatedly, filter out impurities, dehydrate until the water content is 48wt%, and freeze at -22°C for 7 hours; take it out and crush it with a tissue crusher until the particle size is 80 mesh, add water according to the mass ratio of material to liquid 1:0.9, and stir make a homogenate;

[0050] (2) Enzymolysis treatment: add β-1,4-glucanase, cellobiohydrolase, 1,4-β-mannuronate lyase, bromelain, glucoamylase to the obtained homogenate, ℃, pH 6, enzymatic hydrolysis for 10 hours, separate the enzymatic hydrolyzate and residue;

[0051] Among them, the amount of enzyme added is: β-1,4 glucanase 2.4g / L; cellobiohydrolase 2.4g / L; 1,4-β-mannuronate ly...

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Abstract

The invention belongs to the field of seaweed fertilizer and particularly relates to a preparation method of compound seaweed fertilizer. The preparation method comprises the processes of pretreatment, enzymolysis, microbiological treatment, drying and the like. According to the preparation method provided by the invention, fresh raw materials are treated in a low-temperature frozen-breaking manner, so that the active ingredients of seaweed can be effectively protected and the prepared compound seaweed fertilizer can be full of nutriments; by adoption of such a manner that a plurality of enzymes are combined, the macro-molecular sugar and protein ingredients in a seaweed homogenate can be effectively degraded and the extraction efficiency of soluble matters in the seaweed can be improved; and the compound seaweed fertilizer is prepared by utilizing enzymolysis compound microorganisms through fermentation, so that the active ingredients of the seaweed can be retained to the greatest extent, the efficacy of the compound seaweed fertilizer can be improved, and the relatively good application prospect can be achieved.

Description

technical field [0001] The invention belongs to the field of seaweed fertilizer, and in particular relates to a preparation method of compound seaweed fertilizer. Background technique [0002] Seaweed is a general term for marine algae such as kelp, seaweed, wakame, and agarose. It is an algae that grows in the sea and is a cryptogamous plant in the plant kingdom. Many species of algae generate energy through photosynthesis. There are many types of seaweed, including brown algae, red algae, and green algae. Common brown algae include macrophylla, sargassum, and fucus. Brown algae in seaweed are rich in polysaccharides, such as: algin, fucoidan and kelp starch, etc. These polysaccharides are lacking in many land plants. Alginate is a block linear polymer composed of two monomers, mannuronic acid and guluronic acid. It has gel, chelating and hydrophilic properties, and it can change some soil properties through these properties. properties, it can be used as a soil condition...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05F17/00
CPCC05D3/02C05F17/00C05G3/00C05D9/00C05F1/005C05F5/002C05F11/00C05F11/08Y02W30/40
Inventor 焦绪栋秦松
Owner YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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