阅读说明：本技术 一种带有包膜的微生物菌剂及其制备方法 (Microbial agent with envelope and preparation method thereof ) 是由 解会敏 于 2021-01-18 设计创作，主要内容包括：本发明公开了一种带有包膜的微生物菌剂,包括有微生物菌剂颗粒或生物肥颗粒、包裹在微生物菌剂颗粒或生物肥颗粒外侧、具有营养的包膜和粘附在包膜外侧的防结块层；微生物菌剂颗粒由填料、低聚果糖和有益菌群组成；包膜由包膜粘合剂、海藻酶或中微量元素肥组成；防结块层由防结块剂组成。本发明包含植物生长的各种元素,可以有效促进生长、改善土壤理化性状,促进植物对各种元素的吸收利用。发明中包含腐殖酸,可以改善土壤盐碱化、板结化的问题,并且由于海藻肥包膜的作用,可以防止其与化肥混合时溶化。发明中含有大量有益菌和低聚果糖,低聚果糖可以为微生物提供养分,防止微生物在产品储藏的过程中失活。本发明中的有益菌活性高,肥力强,可以改善土壤的土质。(The invention discloses a microbial agent with an envelope, which comprises microbial agent particles or biological fertilizer particles, an envelope which is wrapped outside the microbial agent particles or the biological fertilizer particles and has nutrition and an anti-caking layer which is adhered outside the envelope; the microbial agent particles are composed of filler, fructo-oligosaccharide and beneficial bacteria; the coating consists of a coating adhesive, trehalase or a medium trace element fertilizer; the anti-caking layer consists of an anti-caking agent. The invention contains various elements for plant growth, can effectively promote the growth, improve the physical and chemical properties of soil and promote the absorption and utilization of various elements by plants. The invention contains humic acid, can improve the problems of salinization and hardening of soil, and can prevent the seaweed fertilizer from being dissolved when being mixed with the fertilizer due to the coating effect of the seaweed fertilizer. The invention contains a large amount of beneficial bacteria and fructo-oligosaccharide, and the fructo-oligosaccharide can provide nutrients for microorganisms and prevent the microorganisms from being inactivated in the product storage process. The beneficial bacteria in the invention have high activity and strong fertility, and can improve the soil quality of soil.)

1. The microbial agent with the envelope is characterized by comprising microbial agent particles, the envelope wrapped outside the microbial agent particles and an anti-caking layer adhered outside the envelope;

the microbial agent particles are composed of filler, fructo-oligosaccharide and beneficial bacteria; the coating consists of one or more of a coating adhesive, trehalase or a medium trace element fertilizer; the anti-caking layer consists of an anti-caking agent.

2. The enveloped microbial agent as claimed in claim 1, wherein the filler comprises the following components in parts by weight: 50-60 parts of mushroom dregs, 10-25 parts of animal manure and 5-10 parts of humic acid.

3. The microbial agent with the envelope according to claim 1, wherein the microbial agent particles comprise 60-90 parts by weight of filler, 15-30 parts by weight of fructo-oligosaccharide and 15-30 parts by weight of beneficial bacterium group.

4. The enveloped microbial agent as claimed in claim 3, wherein the material of the enveloping adhesive is selected from one of starch, dextrin and polyvinyl alcohol.

5. The method for preparing the enveloped microbial agent according to claim 1, which comprises the following steps:

s1, preparing microbial agent particles

Weighing the filler, the fructo-oligosaccharide and the beneficial bacteria group according to the proportion, and granulating by using a granulator;

s2, preparing coating raw materials

Adding water into the coating adhesive, the trehalase or the medium trace element fertilizer, stirring, heating to 30-50 ℃, and then uniformly dissolving;

s3, coating treatment

Uniformly spraying the coating and the raw materials obtained in the step S2 on the microbial agent particles obtained in the step S1, and then quickly drying by using hot air;

s4, anti-caking treatment

And adding an anti-caking agent to the surface of the fertilizer subjected to the coating treatment in the step S3, and then uniformly stirring.

6. The method for preparing the microbial inoculum with the envelope according to the claim 5, wherein in the step S2, after adding water and stirring, the concentration of the envelope adhesive is 5-10%, and the concentration of the trehalase or the medium trace element fertilizer is 10-15%.

7. The method for preparing the microbial inoculum with the envelope as recited in claim 5, wherein the temperature of the hot air treatment in S3 is 150-200 ℃.

8. The method for producing the enveloped microbial agent according to claim 5, wherein the enveloping treatment in S3 is repeated 1 to 3 times.

9. The microbial agent with the envelope is characterized in that microbial agent particles are replaced by biological organic fertilizer particles.

Technical Field

The invention relates to the field of biological fertilizers, and in particular relates to a microbial agent with an envelope and a preparation method thereof.

Background

In the prior art, fertilizers applied to crops are generally chemical fertilizers, including mixed fertilizers, compound fertilizers, ecological organic fertilizers and the like, and after the fertilizers are applied, a large amount of hardened soil is harmful to the development of ecological agriculture. When the fertilizer is applied too much, crops fall down and the yield is unstable. The chemical fertilizer is applied to soil to pollute water and soil for a long time, influence ecological environment and harm human health. Meanwhile, the production process of the chemical fertilizer is complex and the manufacturing cost is expensive. The requirement on labor force is high, and the production cost is high. Because of this, the use of biofertilizers is becoming increasingly appreciated by society. Currently, biofertilizers are expensive because they contain not only nitrogen, phosphorus and potassium. The fertilizer also contains rich organic substances and trace elements, can promote the growth of economic crops, increase the yield, prevent diseases, improve soil nutrients and ensure the safety of agricultural products. Safe products are popular in the market and are expensive because of their lack of contamination and long shelf life.

Disclosure of Invention

The invention aims to overcome the problems and provides a microbial agent with an envelope and a preparation method thereof. In order to achieve the purpose, the invention adopts the following technical scheme:

a microbial inoculum with an envelope comprises microbial inoculum particles, an envelope wrapping the outer side of the microbial inoculum particles and an anti-caking layer adhered to the outer side of the envelope;

the microbial agent particles are composed of filler, fructo-oligosaccharide and beneficial bacteria; the envelope consists of an envelope adhesive and trehalase; the anti-caking layer consists of an anti-caking agent.

The invention also discloses a preparation method of the microbial agent with the envelope, which comprises the following steps:

s1, preparing microbial agent particles

Weighing the filler, the fructo-oligosaccharide and the beneficial bacteria group according to the proportion, and granulating by using a granulator;

s2, preparing coating raw materials

Adding water into the coating adhesive and the trehalase, stirring, heating to 30-50 ℃, and then uniformly dissolving;

s3, coating treatment

Uniformly spraying the coating and the raw materials obtained in the step S2 on the microbial agent particles obtained in the step S1, and then quickly drying by using hot air;

s4, anti-caking treatment

And adding an anti-caking agent to the surface of the fertilizer subjected to the coating treatment in the step S3, and then uniformly stirring.

As an improvement, the filler comprises the following components in parts by weight: 50-60 parts of mushroom dregs, 10-25 parts of animal manure and 5-10 parts of humic acid.

As an improvement, the components of the microbial agent particles comprise, by weight, 60-90 parts of filler, 15-30 parts of fructo-oligosaccharide and 15-30 parts of beneficial bacteria.

As an improvement, the material of the coating adhesive is selected from one of starch, dextrin and polyvinyl alcohol.

In the step S2, after water is added and stirred, the concentration of the coating adhesive is 5-10%, and the concentration of the trehalase is 10-15%.

As an improvement, the coating raw material of S2 is also added with medium and trace element fertilizer, and after the medium and trace element fertilizer is added, the concentration of the medium and trace elements in the mixed aqueous solution is 5-8%.

As an improvement, the temperature of the hot air treatment in S3 is 150-200 ℃.

As an improvement, the coating treatment in S3 is repeated for 1-3 times.

As an improvement, the microbial agent particles are replaced by bio-organic fertilizer particles.

The invention has the advantages that:

1. the invention contains various elements for plant growth, can effectively promote the growth, improve the physical and chemical properties of soil and promote the absorption and utilization of various elements by plants.

2. The invention contains humic acid, which can improve the problems of soil salinization and hardening. The coating layer contains a large amount of beneficial bacteria and fructo-oligosaccharide, and the fructo-oligosaccharide can provide nutrients for microorganisms and prevent the microorganisms from being inactivated in the product storage process. The beneficial bacteria in the invention have high activity and strong fertility, and can effectively improve the soil quality of soil.

3. The trehalase and the medium and trace element fertilizer powder can prevent the adhesion and caking among microbial agent particles, and have good stability and storage property.

4. The traditional microbial agent is easy to dissolve when the fertilizer is mixed for use, and can be effectively prevented from dissolving when the traditional microbial agent is mixed with the fertilizer after being coated with the trehalase.

Drawings

FIG. 1 is a schematic diagram showing the structure of a microbial agent having a membrane in example 1.

Labeled as:

1-microbial agent particles, 2-envelopes and 3-anti-caking layers.

Detailed Description

The present invention will be described in detail and specifically with reference to the following examples so as to facilitate the understanding of the present invention, but the following examples do not limit the scope of the present invention.

Example 1

The embodiment discloses a microbial agent with an envelope, which comprises a microbial agent particle 1 formed by organic matters, an envelope 2 wrapped on the outer side of the microbial agent particle 1 and an anti-caking layer 3 adhered on the outer side of the envelope 2.

In this example, the composition of microbial agent particle 1 includes: 50kg of mushroom dregs, 10kg of animal manure, 10kg of humic acid, 25kg of fructo-oligosaccharide and 20kg of beneficial bacteria.

The coating layer 2 consists of 10kg of coating adhesive, 15kg of trehalase and 5kg of medium and trace element fertilizer. The material of the coating adhesive is starch.

The anti-caking layer 3 comprises the following components: 2-5kg of anti-caking agent.

The manufacturing method of the embodiment comprises the following steps:

s1, preparing microbial agent particles

Weighing 50kg of fungus residues, 10kg of animal wastes, 10kg of humic acid, 25kg of fructo-oligosaccharide and 20kg of beneficial flora according to a proportion, and granulating by using a granulator;

s2, preparing coating raw materials

10kg of coating adhesive, 15kg of trehalase and 5kg of medium and trace element fertilizer are added with water and stirred, heated to 30-50 ℃ and then uniformly dissolved;

s3, coating treatment

Uniformly spraying the coating and the raw materials obtained in the step S2 on the microbial agent particles obtained in the step S1, and then rapidly drying the coating and the raw materials by using hot air at 180 ℃; and the coating treatment was repeated 3 times.

S4, anti-caking treatment

And adding an anti-caking agent to the surface of the fertilizer subjected to the coating treatment in the step S3, and then uniformly stirring.

The embodiment contains the trehalase, has rich nutrition, and can comprehensively improve the fertility of the fertilizer; the medium trace element fertilizer can be used as various medium trace elements required by plant growth. Meanwhile, the trehalase and the medium and trace element fertilizer powder can prevent the microbial agent particles from caking and adhesion, can be stored for a long time, and can prevent the microbial agent or the fertilizer from being dissolved due to the action of the coating when the fertilizer is mixed.

The embodiment contains a large amount of beneficial bacterium groups and fructo-oligosaccharides, and the fructo-oligosaccharides can be used as food for beneficial bacteria in the storage process, so that the inactivation of the beneficial bacteria due to long-term storage can be prevented.

The humic acid in the embodiment can neutralize saline-alkali soil, adjust the pH value of the soil, protect the roots of plants, improve the absorption of the plants on nitrogen, phosphorus and potassium, and improve the growth quality of the planted trees.

Example 2

The embodiment discloses a microbial agent with an envelope.

In this example, the composition of microbial agent particle 1 includes: 60kg of mushroom dregs, 20kg of animal wastes, 10kg of humic acid, 30kg of fructo-oligosaccharide and 15kg of beneficial bacterium groups.

The coating layer 2 comprises 10kg of coating adhesive and 15kg of trehalase. The material of the coating adhesive is starch.

The anti-caking layer 3 comprises the following components: 2kg of anti-caking agent.

Example 3

The embodiment discloses a microbial agent with an envelope.

In this example, the composition of microbial agent particle 1 includes: 60kg of mushroom dregs, 20kg of animal wastes, 10kg of humic acid, 30kg of fructo-oligosaccharide and 15kg of beneficial bacterium groups.

The coating layer 2 consists of 10kg of coating adhesive and 15kg of medium and trace element fertilizer. The material of the coating adhesive is starch.

The anti-caking layer 3 comprises the following components: 2kg of anti-caking agent.

Example 4

The embodiment discloses a microbial organic fertilizer with an envelope, which comprises microbial organic fertilizer particles, an envelope and an anti-caking layer.

In the embodiment, the bio-organic fertilizer particles comprise 60kg of mushroom dregs, 20kg of animal wastes and 10kg of humic acid.

Other structures and manufacturing methods of this embodiment are the same as those of embodiment 1.

The embodiments of the present invention have been described in detail above, but they are merely exemplary, and the present invention is not equivalent to the above described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, it is intended that all equivalent alterations and modifications be included within the scope of the invention, without departing from the spirit and scope of the invention.