阅读说明：本技术 一种具有保水功能的腐植酸生物有机肥及其制备方法 (humic acid bio-organic fertilizer with water retention function and preparation method thereof ) 是由 王斌 朱永立 李奇 王靓贤 张琪 华小兵 李德文 于 2019-09-29 设计创作，主要内容包括：本发明公开了一种具有保水功能的腐植酸生物有机肥及其制备方法,它包括有机物料、腐熟剂、功能菌剂、保水保肥剂、填料；机物料包括木薯渣450—550份、糖泥200—300份、腐植酸80份、氨基酸30份；腐熟剂包括甲基营养型芽孢杆菌、解淀粉芽孢杆菌；功能菌剂为甲基营养型芽孢杆菌,保水保肥剂吸水树脂0.5-5份、非离子型聚丙烯酰胺0.5-5份、羧甲基纤维素0.5-5份、膨化淀粉10-25份；填料包括以下重量份的组分：高岭土10-25份、蒙脱石10-20份、膨润土10-20份。本发明将生物刺激素腐植酸、氨基酸有效应用于保水生物有机肥生产中,制成功能型生物有机肥产品,在改善土壤理化性状的同时,保水、保肥,刺激作物健壮生长,提高农作物品质和产量,促进农业的可持续发展。(The invention discloses humic acid bio-organic fertilizers with water retention function and a preparation method thereof, wherein the fertilizer comprises organic materials, a decomposition agent, a functional microbial inoculum, a water retention and fertilizer retention agent and a filler, the organic materials comprise 450-550 parts of cassava residue, 200-300 parts of sugar mud, 80 parts of humic acid and 30 parts of amino acid, the decomposition agent comprises methylotrophic bacillus and bacillus amyloliquefaciens, the functional microbial inoculum is methylotrophic bacillus, 0.5-5 parts of water-absorbing resin of the water retention and fertilizer retention agent, 0.5-5 parts of nonionic polyacrylamide, 0.5-5 parts of carboxymethyl cellulose and 10-25 parts of expanded starch, and the filler comprises 10-25 parts of kaolin, 10-20 parts of montmorillonite and 10-20 parts of bentonite.)

1, humic acid bio-organic fertilizer with water retention function, which comprises organic materials, a decomposition agent, a functional microbial inoculum, a water retention and fertilizer retention agent and a filler;

the organic material comprises the following components in parts by weight: 450-550 parts of cassava dregs, 200-300 parts of sugar mud, 80 parts of humic acid and 30 parts of amino acid;

the decomposing inoculant comprises the following components in parts by weight: 1-5 parts of methylotrophic bacillus, and the preservation number is CGMCC NO. 18268; 1-5 parts of bacillus amyloliquefaciens, wherein the preservation number is CGMCC NO. 18263;

the functional microbial inoculum is 3-5 parts of bacillus methylotrophicus, and the preservation number is CGMCC NO. 18269;

the water and fertilizer retention agent comprises the following components in parts by weight: 0.5-5 parts of water-absorbing resin, 0.5-5 parts of non-ionic polyacrylamide, 0.5-5 parts of carboxymethyl cellulose and 10-25 parts of expanded starch;

the filler comprises the following components in parts by weight: 10-25 parts of kaolin, 10-20 parts of montmorillonite and 10-20 parts of bentonite.

2. humic acid bio-organic fertilizer with water retention function according to claim 1, which is characterized in that the fertilizer comprises organic materials, a decomposition agent, a functional microbial inoculum, a water retention and fertilizer retention agent and a filler;

the organic material comprises the following components in parts by weight: 450 parts of cassava residues, 200 parts of sugar mud, 80 parts of humic acid and 30 parts of amino acid;

the decomposing inoculant comprises the following components in parts by weight: 1 part of methylotrophic bacillus, and the preservation number is CGMCC NO. 18268; 5 parts of bacillus amyloliquefaciens, wherein the preservation number is CGMCC NO. 18263;

the functional microbial inoculum is 3 parts of bacillus methylotrophicus, and the preservation number is CGMCC NO. 18269;

the water and fertilizer retention agent comprises the following components in parts by weight: 0.5 part of water-absorbing resin, 0.5 part of non-ionic polyacrylamide, 0.5 part of carboxymethyl cellulose and 10 parts of expanded starch;

the filler comprises the following components in parts by weight: 10 parts of kaolin, 10 parts of montmorillonite and 10 parts of bentonite.

3. humic acid bio-organic fertilizer with water retention function according to claim 1, which is characterized in that the fertilizer comprises organic materials, a decomposition agent, a functional microbial inoculum, a water retention and fertilizer retention agent and a filler;

the organic material comprises the following components in parts by weight: 550 parts of cassava residues, 300 parts of sugar paste, 80 parts of humic acid and 30 parts of amino acid;

the decomposing inoculant comprises the following components in parts by weight: 5 parts of methylotrophic bacillus, wherein the preservation number is CGMCC NO. 18268; 1 part of bacillus amyloliquefaciens, wherein the preservation number is CGMCC NO. 18263;

the functional microbial inoculum is 5 parts of bacillus methylotrophicus, and the preservation number is CGMCC NO. 18269;

the water and fertilizer retention agent comprises the following components in parts by weight: 5 parts of water-absorbing resin, 5 parts of non-ionic polyacrylamide, 5 parts of carboxymethyl cellulose and 25 parts of expanded starch;

the filler comprises the following components in parts by weight: 25 parts of kaolin, 20 parts of montmorillonite and 20 parts of bentonite.

4. humic acid bio-organic fertilizer with water retention function according to claim 1, which is characterized in that the fertilizer comprises organic materials, a decomposition agent, a functional microbial inoculum, a water retention and fertilizer retention agent and a filler;

the organic material comprises the following components in parts by weight: 500 parts of cassava dregs, 250 parts of sugar mud, 80 parts of humic acid and 30 parts of amino acid;

the decomposing inoculant comprises the following components in parts by weight: 3 parts of methylotrophic bacillus, wherein the preservation number is CGMCC NO. 18268; 3 parts of bacillus amyloliquefaciens, wherein the preservation number is CGMCC NO. 18263;

the functional microbial inoculum is 4 parts of bacillus methylotrophicus, and the preservation number is CGMCC NO. 18269;

the water and fertilizer retention agent comprises the following components in parts by weight: 2 parts of water-absorbing resin, 3 parts of non-ionic polyacrylamide, 2.5 parts of carboxymethyl cellulose and 18 parts of expanded starch;

the filler comprises the following components in parts by weight: 18 parts of kaolin, 15 parts of montmorillonite and 15 parts of bentonite.

5. The preparation method of humic acid bio-organic fertilizers with water retention function according to claim 1, which is characterized by comprising the following steps:

, preparing raw materials, namely weighing cassava residue, sugar mud, humic acid and amino acid as organic materials respectively, selecting methylotrophic bacillus with the preservation number of CGMCC NO.18268, selecting methylotrophic bacillus with the preservation number of CGMCC NO.18263 as a decomposing agent and selecting methylotrophic bacillus with the preservation number of CGMCC NO.18269 as a functional microbial inoculum, weighing water-absorbing resin, nonionic polyacrylamide, carboxymethyl cellulose and expanded starch as a water and fertilizer retention agent, and weighing kaolin, montmorillonite and bentonite as fillers;

step two, preparing a water-retaining agent, namely uniformly mixing 0.5-5 parts of water-absorbing resin, 0.5-5 parts of non-ionic polyacrylamide, 0.5-5 parts of carboxymethyl cellulose, 10-25 parts of expanded starch, 10-25 parts of kaolin, 10-20 parts of montmorillonite and 10-20 parts of bentonite according to parts by weight to prepare the water-retaining agent for later use;

step three, preparing decomposed materials, namely uniformly mixing the organic materials, the decomposing agent and the functional microbial inoculum in the step , and fermenting and decomposing for later use;

step four, uniformly mixing the decomposed material prepared in the step three with the water-retaining agent prepared in the step two, and packaging to obtain a powdery fertilizer;

and fifthly, uniformly mixing the decomposed material prepared in the step three with the water-retaining agent prepared in the step two, and performing drum or extrusion granulation to obtain the granular fertilizer.

Technical Field

The invention relates to the field of fertilizers, in particular to humic acid bio-organic fertilizers with a water retention function and a preparation method thereof.

Background

With the continuous improvement of living standard, especially the demand of people for improving living quality, green agriculture (ecological organic agriculture) is actively developed all over the world to produce safe and pollution-free green food. The production of green food requires the use of no or minimal (or limited) chemical fertilizers, pesticides and other chemicals. It requires that the fertilizer must first protect and promote growth and improve quality of the subject to which it is applied; secondly, the generation and accumulation of harmful substances of the application object are not caused; and thirdly, no adverse effect is caused to the ecological environment.

The microbial fertilizer at the present stage basically accords with the three principles, and the action scheme of zero increase of the fertilizer usage amount in 2020 by the ministry of agriculture clearly provides that the fertilizer use structure is optimized in two aspects, namely that the nitrogen-phosphorus-potassium ratio is optimized, the coordination of macroelements and medium-trace elements is promoted, the fertilizer structure is optimized, the push of biological fertilizers and other novel fertilizers is accelerated, the biological fertilizers are used as important contents for accelerating the push of new products , and powerful measures are taken to push the microbial fertilizer for application.

Humic acid has not only functionality, but also economy and environmental friendliness as functional materials, and has important significance for passivating heavy metals, improving the utilization rate of water and fertilizer, and improving the quality and yield of agricultural products.

Disclosure of Invention

The invention aims to provide humic acid bio-organic fertilizers with water retention function and a preparation method thereof aiming at the defects of the prior art, which effectively apply bio-stimulin humic acid and amino acid in the production of water retention bio-organic fertilizers to prepare functional bio-organic fertilizer products, improve the physical and chemical properties of soil, retain water and fertilizer, stimulate the robust growth of crops, improve the quality and yield of crops and promote the sustainable development of agriculture.

In order to achieve the above object, the present invention is achieved by the following technical solutions.

humic acid bio-organic fertilizer with water retention function, which comprises organic materials, a decomposition agent, a functional microbial inoculum, a water retention and fertilizer retention agent and a filler;

the organic material comprises the following components in parts by weight: 450-550 parts of cassava dregs, 200-300 parts of sugar mud, 80 parts of humic acid and 30 parts of amino acid;

the decomposing inoculant comprises the following components in parts by weight: 1-5 parts of methylotrophic bacillus, and the preservation number is CGMCC NO. 18268; 1-5 parts of bacillus amyloliquefaciens, wherein the preservation number is CGMCC NO. 18263;

the functional microbial inoculum is 3-5 parts of bacillus methylotrophicus, and the preservation number is CGMCC NO. 18269;

the water and fertilizer retention agent comprises the following components in parts by weight: 0.5-5 parts of water-absorbing resin, 0.5-5 parts of non-ionic polyacrylamide, 0.5-5 parts of carboxymethyl cellulose and 10-25 parts of expanded starch;

the filler comprises the following components in parts by weight: 10-25 parts of kaolin, 10-20 parts of montmorillonite and 10-20 parts of bentonite.

The preparation method of the powdery fertilizer comprises the following steps:

, preparing raw materials, namely weighing cassava residue, sugar mud, humic acid and amino acid as organic materials respectively, selecting methylotrophic bacillus with the preservation number of CGMCC NO.18268, selecting methylotrophic bacillus with the preservation number of CGMCC NO.18263 as a decomposing agent and selecting methylotrophic bacillus with the preservation number of CGMCC NO.18269 as a functional microbial inoculum, weighing water-absorbing resin, nonionic polyacrylamide, carboxymethyl cellulose and expanded starch as a water and fertilizer retention agent, and weighing kaolin, montmorillonite and bentonite as fillers;

step two, preparing a water-retaining agent, namely uniformly mixing 0.5-5 parts of water-absorbing resin, 0.5-5 parts of non-ionic polyacrylamide, 0.5-5 parts of carboxymethyl cellulose, 10-25 parts of expanded starch, 10-25 parts of kaolin, 10-20 parts of montmorillonite and 10-20 parts of bentonite according to parts by weight to prepare the water-retaining agent for later use;

step three, preparing decomposed materials, namely uniformly mixing the organic materials, the decomposing agent and the functional microbial inoculum in the step , and fermenting and decomposing for later use;

and fourthly, uniformly mixing the decomposed material prepared in the third step with the water-retaining agent prepared in the second step, and packaging to obtain the water-retaining agent.

The preparation method of the granular fertilizer comprises the following steps:

, preparing raw materials, namely weighing cassava residue, sugar mud, humic acid and amino acid as organic materials respectively, selecting methylotrophic bacillus with the preservation number of CGMCC NO.18268, selecting methylotrophic bacillus with the preservation number of CGMCC NO.18263 as a decomposing agent and selecting methylotrophic bacillus with the preservation number of CGMCC NO.18269 as a functional microbial inoculum, weighing water-absorbing resin, nonionic polyacrylamide, carboxymethyl cellulose and expanded starch as a water and fertilizer retention agent, and weighing kaolin, montmorillonite and bentonite as fillers;

step two, preparing a water-retaining agent, namely uniformly mixing 0.5-5 parts of water-absorbing resin, 0.5-5 parts of non-ionic polyacrylamide, 0.5-5 parts of carboxymethyl cellulose, 10-25 parts of expanded starch, 10-25 parts of kaolin, 10-20 parts of montmorillonite and 10-20 parts of bentonite according to parts by weight to prepare the water-retaining agent for later use;

step three, preparing decomposed materials, namely uniformly mixing the organic materials, the decomposing agent and the functional microbial inoculum in the step , and fermenting and decomposing for later use;

and fourthly, uniformly mixing the decomposed material prepared in the third step with the water-retaining agent prepared in the second step, and then carrying out drum or extrusion granulation.

Bacillus methylotrophicus (Bacillus methylotrophicus) with the preservation number of CGMCC NO.18268 and the preservation date: 22/7/2019, deposit address: xilu No.1 Hospital No. 3, Beijing, Chaoyang, the department of deposit: china general microbiological culture Collection center;

bacillus amyloliquefaciens (Bacillus amyloliquefaciens) with the preservation number of CGMCC NO.18263 and the preservation date: 22/7/2019, deposit address: xilu No.1 Hospital No. 3, Beijing, Chaoyang, the department of deposit: china general microbiological culture Collection center;

bacillus methylotrophicus (Bacillus methylotrophicus) with the preservation number of CGMCC NO.18269 and the preservation date: 22/7/2019, deposit address: xilu No.1 Hospital No. 3, Beijing, Chaoyang, the department of deposit: china general microbiological culture Collection center.

Compared with the prior art, the invention has the beneficial effects that:

compared with the conventional water-soluble fertilizer, the product of the invention has the following advantages:

1. the water retention material comprises degradable water-absorbing resin and an auxiliary agent besides humic acid, has stronger water retention and fertilizer retention performance compared with the traditional acrylic acid water-absorbing resin, and is safer and more environment-friendly to soil.

2. Humic acid and amino acid as biological stimulants have the effects of improving soil aggregate structure, increasing soil microorganism abundance, stimulating crop growth and improving fertilizer utilization rate.

3. The product is convenient to use and has better effect, the product is used as base fertilizer for times of deep application, the water retention material can be effectively degraded, and the product is harmless to soil and crops.

Detailed Description

The present invention is further illustrated in with reference to the following examples, which are not intended to be limiting.

preparation method of water-retaining biological organic fertilizer containing humic acid, comprising the following steps:

, preparing raw materials, namely, taking cassava residue, sugar mud, humic acid and amino acid as organic materials, adopting methylotrophic bacillus with the preservation number of CGMCC NO.18268, adopting amylolytic bacillus with the preservation number of CGMCC NO.18263 as a decomposing agent, adopting methylotrophic bacillus with the preservation number of CGMCC NO.18269 as a functional microbial inoculum, adopting high-molecular compound water-absorbing resin, nonionic polyacrylamide, carboxymethyl cellulose and other auxiliary agents, and taking expanded starch as a water-retaining and fertilizer-retaining material, and taking kaolin, montmorillonite and bentonite as fillers.

Step two, preparing a water-retaining agent: according to the weight portion, 0.5-5 portions of water-absorbing resin, 0.5-5 portions of non-ionic polyacrylamide, 0.5-5 portions of carboxymethyl cellulose, 10-25 portions of expanded starch, 10-25 portions of kaolin, 10-20 portions of montmorillonite and 10-20 portions of bentonite are uniformly mixed to prepare the water and fertilizer retention material containing humic acid.

And step three, preparing a finished product, wherein the biological organic fertilizer can be prepared into powder and granules, the powder preparation method comprises the step of uniformly mixing the organic material obtained in the step 1 after fermentation and decomposition reach the standard (meeting the NY 525-2012-organic fertilizer standard) and the water and fertilizer retention material obtained in the step two, and then packaging, and the granule preparation method comprises the step of uniformly mixing the organic material obtained in the step after fermentation and decomposition and the water retention material obtained in the step two, and then carrying out drum or extrusion granulation.

In step , the raw materials are all powder, the functional microbial inoculum is a microbial inoculum with the functions of preventing diseases and promoting growth, the water-absorbing resin in step two can be preferentially degraded under the decomposition action of the functional microorganisms, and finally decomposed into soil nutrient substances.