CN111362757A - Organic medium element fertilizer produced by using magnesium hydroxide and preparation method thereof - Google Patents
Organic medium element fertilizer produced by using magnesium hydroxide and preparation method thereof Download PDFInfo
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- CN111362757A CN111362757A CN202010444893.4A CN202010444893A CN111362757A CN 111362757 A CN111362757 A CN 111362757A CN 202010444893 A CN202010444893 A CN 202010444893A CN 111362757 A CN111362757 A CN 111362757A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention provides an organic medium element fertilizer produced by magnesium hydroxide and a preparation method thereof, relating to the technical field of fertilizers and comprising the following raw materials in parts by weight: comprises the following raw materials in parts by weight: 180 parts of magnesium hydroxide 140, 80-100 parts of magnesium oxide, 30-50 parts of water-soluble magnesium, 40-60 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 8-20 parts of diammonium phosphate, 12-18 parts of ammonium sulfate, 6-17 parts of potassium chloride, 15-30 parts of magnesium hydroxide, 10-20 parts of potassium fulvate, 6-14 parts of amino acid, 2-8 parts of diethylaminoethanol caproate, 1-5 parts of trace elements, 10-30 parts of catalase and 4-10 parts of biological functional bacteria. The organic-inorganic compound fertilizer can treat yellowing and a plurality of nutrient deficiency symptoms, relieve soil hardening, decompose, convert and clear soil mildew, effectively activate endogenous genes in crops, promote the balanced growth of the crops, adjust the growth and development of the crops, develop root systems of the crops, have strong photosynthesis, avoid various physiological diseases caused by the nutrient deficiency and increase the yield of the crops by more than 20 percent.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to an organic secondary element fertilizer produced by using magnesium hydroxide and a preparation method thereof.
Background
With the serious acidification of soil, the lack of organic matters and mineral substances in soil, the reduction of economic crops and field crops and the limitation of yield are caused seriously. The main reason is that inorganic salt fertilizer (nitrogen phosphorus potassium compound fertilizer) is used in large quantity for decades. The country has already put forward a project for limiting and reducing the use amount of nitrogen, phosphorus and potassium and increasing the soil fertility of organic fertilizers and minerals. According to the current situation, the market urgently needs a high-end functional fertilizer with organic and mineral elements fused together to fill the market.
The medium element fertilizer refers to the fertilizer containing calcium, magnesium and sulfur with the content of one percent to ten-thousandth in the dry matter component of crops, and is called medium element fertilizer. Including calcium fertilizers (such as lime and calcium chloride), magnesium fertilizers (such as magnesium sulfate and anhydrous potassium magnesium alum), and sulfur fertilizers (such as sulfur and gypsum). They are limited to application on certain soils and crops. Applying lime to red soil to correct soil acidity and reduce or eliminate the harm of phosphorus ion, ferrous ion and manganese ion to crops; the content of magnesium in the red soil is generally low, and the red soil is a region for showing the effect of magnesium fertilizer; the sulfur fertilizer is mainly used for sulfur-deficient soil with high alkaline earth and weathering degree, strong leaching effect and low organic matter content and crops sensitive to sulfur deficiency.
Molasses alcohol fermentation liquor is the stock solution left after the sugar production by sugarcane, i.e., molasses, is fermented by adding alcohol yeast and the alcohol is extracted by evaporation. Only alcohol is extracted, so that the stock solution contains about 5 amino acid nitrogen, 0.5 phosphorus and 8 potassium fulvate; the active water soluble organic matter content is generally 70-80%, the humic acid content is generally 40-48%, the amino acid content is generally 12-18%, the crude protein content is about 20%, and the active water soluble organic matter is rich in more than twenty kinds of medium and trace elements (calculated on a dry basis), such as chelated calcium, sulfur, silicon, iron, copper, zinc, magnesium and the like.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an organic medium element fertilizer produced by magnesium hydroxide and a preparation method thereof, and the organic-inorganic compound fertilizer can treat yellowing and a plurality of nutrient deficiency symptoms, improve soil characteristics, activate soil, reduce soil hardening, decompose, convert and clear soil mildew, effectively activate endogenous genes in crops, promote the balanced growth of the crops, regulate the growth and development of the crops, develop root systems of the crops, have strong photosynthesis, avoid various physiological diseases caused by the nutrient deficiency and increase the yield of the crops by more than 20 percent.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
an organic medium element fertilizer produced by magnesium hydroxide comprises the following raw materials in parts by weight: 180 parts of magnesium hydroxide 140, 80-100 parts of magnesium oxide, 30-50 parts of water-soluble magnesium, 40-60 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 8-20 parts of diammonium phosphate, 12-18 parts of ammonium sulfate, 6-17 parts of potassium chloride, 15-30 parts of magnesium hydroxide, 10-20 parts of potassium fulvate, 6-14 parts of amino acid, 2-8 parts of diethylaminoethanol caproate, 1-5 parts of trace elements, 10-30 parts of catalase and 4-10 parts of biological functional bacteria.
Further, the feed comprises the following raw materials in parts by weight: 170 parts of magnesium hydroxide 150, 85-95 parts of magnesium oxide, 35-45 parts of water-soluble magnesium, 45-55 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 12-16 parts of diammonium phosphate, 14-17 parts of ammonium sulfate, 10-15 parts of potassium chloride, 19-24 parts of magnesium hydroxide, 13-18 parts of potassium fulvate, 10-13 parts of amino acid, 3-5 parts of diethylaminoethanol caproate, 2-4 parts of trace elements, 15-20 parts of catalase and 4-10 parts of biological functional bacteria.
Further, the feed comprises the following raw materials in parts by weight: 160 parts of magnesium hydroxide, 90 parts of magnesium oxide, 40 parts of water-soluble magnesium, 50 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 14 parts of diammonium phosphate, 16 parts of ammonium sulfate, 12 parts of potassium chloride, 20 parts of magnesium hydroxide, 15 parts of potassium fulvate, 12 parts of amino acid, 4 parts of diethylaminoethanol caproate, 3 parts of trace elements, 18 parts of catalase and 6 parts of biological functional bacteria.
Further, the trace elements comprise ammonium molybdate, borax and ferric citrate according to a mass ratio of 2: 3: 5.
Further, the biological functional bacteria comprise bacillus subtilis, bacillus megaterium, bacillus mucilaginosus, bacillus laterosporus and bacillus licheniformis which are mixed according to the weight ratio of 3: 3: 2: 2: 1.
The preparation method of the organic secondary element fertilizer produced by using the magnesium hydroxide comprises the following steps:
1) putting magnesium hydroxide, magnesium oxide, water-soluble magnesium, molasses alcohol fermentation liquor with concentration of more than 50% and biological functional bacteria into a fermentation tank, fermenting for 24-48h at 25-45 ℃, and filtering to remove insoluble substances to obtain fermentation liquor;
2) mixing the fermentation liquor obtained in the step 1 with diammonium phosphate, ammonium sulfate, potassium chloride, magnesium hydroxide, potassium fulvate, amino acid, diethylaminoethanol caproate, trace elements and catalase, uniformly stirring to obtain mixed slurry, and controlling the water content to be 25-35% according to actual conditions;
3) pumping the mixed slurry obtained in the step 2) into a slurry spraying granulator for granulation, and drying, cooling and screening to obtain the organic-inorganic compound fertilizer.
Furthermore, the particle size of the organic-inorganic compound fertilizer is controlled to be 2-4 mm.
The application method of the organic secondary element fertilizer produced by using the magnesium hydroxide comprises the following steps: 50kg-100kg of the fertilizer is used for wheat, rice, corn, sugarcane and vegetable fields, and is scattered on the ground surface for ploughing and digging; the using amount of each fruit tree is 5-15kg, and the fruit trees can be used once or twice in the whole year.
(III) advantageous effects
The invention provides an organic medium element fertilizer produced by magnesium hydroxide and a preparation method thereof, and the organic medium element fertilizer has the following beneficial effects:
1. according to the invention, through reasonably adjusting the raw material ratio in the fertilizer formula, the fertilizer contains rich organic matters, nitrogen, phosphorus and potassium, medium elements (magnesium, sulfur and the like), trace elements (molybdenum, boron, iron and the like), fulvic acid, amino acids, rooting activating factors, active enzymes and the like, can effectively slow down the precipitation reaction of phosphorus and calcium, iron, zinc and aluminum in soil, avoid unstable fluctuation of pH value, maintain supply and demand balance in the growth period of crops, improve the utilization rate, avoid excessive free enzymes and hardened soil caused by common boron fertilizers, promote the cohesion among soil particles through the catalytic action of enzymes, increase the soil density and loose force, reduce the expansion coefficient of the soil, increase the permeability and microbial breeding of the soil, and greatly improve the engineering performance of the soil;
2. the waste molasses alcohol fermentation liquor is used as a main raw material, is mixed with inorganic nutrients into slurry after primary fermentation, is sprayed onto a material screen of a granulator through a nozzle, is gradually spheroidized into granules, is dried by high-temperature hot air, then enters a cooling system, is sieved and formed, and can realize instant evaporation of redundant moisture of fertilizer granules to directly produce the organic-inorganic compound fertilizer. The process integrates the functions of spraying, granulating and drying, is convenient to operate, has good physical properties of the product, controls the nitrogen content within the range of 1.0 percent and the total nutrient within the range of 1.5 percent, and ensures that the prepared organic-inorganic compound fertilizer has good quality;
3. the organic-inorganic compound fertilizer prepared by the invention can treat yellowing and a plurality of nutrient deficiency symptoms, improve soil characteristics, activate soil, reduce soil hardening, decompose, convert and remove soil mildew, effectively activate endogenous genes in crops, promote balanced growth of crops, regulate the growth and development of crops, develop root systems of the crops, have strong photosynthesis, avoid various physiological diseases caused by nutrient deficiency and increase the yield of the crops by more than 20 percent.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
an organic medium element fertilizer produced by magnesium hydroxide comprises the following raw materials in parts by weight: 160 parts of magnesium hydroxide, 90 parts of magnesium oxide, 40 parts of water-soluble magnesium, 50 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 14 parts of diammonium phosphate, 16 parts of ammonium sulfate, 12 parts of potassium chloride, 20 parts of magnesium hydroxide, 15 parts of potassium fulvate, 12 parts of amino acid, 4 parts of diethylaminoethanol caproate, 3 parts of trace elements, 18 parts of catalase and 6 parts of biological functional bacteria.
Wherein the microelements are prepared from ammonium molybdate, borax and ferric citrate according to a mass ratio of 2: 3: 5, preparing a composition; the biological functional bacteria comprise bacillus subtilis, bacillus megaterium, bacillus mucilaginosus, bacillus laterosporus and bacillus licheniformis in a weight ratio of 3: 3: 2: 2: 1.
The preparation method of the organic secondary element fertilizer produced by using the magnesium hydroxide comprises the following steps:
1) putting magnesium hydroxide, magnesium oxide, water-soluble magnesium, molasses alcohol fermentation liquor with concentration of more than 50% and biological functional bacteria into a fermentation tank, fermenting for 48h at 28 ℃, and filtering to remove insoluble substances to obtain fermentation liquor;
2) mixing the fermentation liquor obtained in the step 1 with diammonium phosphate, ammonium sulfate, potassium chloride, magnesium hydroxide, potassium fulvate, amino acid, diethylaminoethanol caproate, trace elements and catalase, uniformly stirring to obtain mixed slurry, and controlling the water content to be 25-35% according to actual conditions;
3) pumping the mixed slurry obtained in the step 2) into a slurry spraying granulator for granulation, drying, cooling and screening to obtain the organic-inorganic compound fertilizer. Wherein the particle size of the organic-inorganic compound fertilizer is controlled to be 2-4 mm.
The application method of the organic secondary element fertilizer produced by using the magnesium hydroxide comprises the following steps: 50kg-100kg of the fertilizer is used for wheat, rice, corn, sugarcane and vegetable fields, and is scattered on the ground surface for ploughing and digging; the using amount of each fruit tree is 5-15kg, and the fruit trees can be used once or twice in the whole year.
Example 2:
an organic medium element fertilizer produced by magnesium hydroxide comprises the following raw materials in parts by weight: 170 parts of magnesium hydroxide, 80 parts of magnesium oxide, 45 parts of water-soluble magnesium, 40 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 16 parts of diammonium phosphate, 12 parts of ammonium sulfate, 15 parts of potassium chloride, 15 parts of magnesium hydroxide, 18 parts of potassium fulvate, 6 parts of amino acid, 5 parts of diethylaminoethanol caproate, 1 part of trace element, 20 parts of catalase and 4 parts of biofunctional bacteria.
Wherein the microelements are prepared from ammonium molybdate, borax and ferric citrate according to a mass ratio of 2: 3: 5, preparing a composition; the biological functional bacteria comprise bacillus subtilis, bacillus megaterium, bacillus mucilaginosus, bacillus laterosporus and bacillus licheniformis in a weight ratio of 3: 3: 2: 2: 1. The procedure was as in example 1.
The preparation method of the organic secondary element fertilizer produced by using the magnesium hydroxide comprises the following steps:
1) putting magnesium hydroxide, magnesium oxide, water-soluble magnesium, molasses alcohol fermentation liquor with concentration of more than 50% and biological functional bacteria into a fermentation tank, fermenting for 24h at 40 ℃, and filtering to remove insoluble substances to obtain fermentation liquor;
2) mixing the fermentation liquor obtained in the step 1 with diammonium phosphate, ammonium sulfate, potassium chloride, magnesium hydroxide, potassium fulvate, amino acid, diethylaminoethanol caproate, trace elements and catalase, uniformly stirring to obtain mixed slurry, and controlling the water content to be 25-35% according to actual conditions;
3) pumping the mixed slurry obtained in the step 2) into a slurry spraying granulator for granulation, drying, cooling and screening to obtain the organic-inorganic compound fertilizer. Wherein the particle size of the organic-inorganic compound fertilizer is controlled to be 2-4 mm.
The application method of the organic secondary element fertilizer produced by using the magnesium hydroxide comprises the following steps: 50kg-100kg of the fertilizer is used for wheat, rice, corn, sugarcane and vegetable fields, and is scattered on the ground surface for ploughing and digging; the using amount of each fruit tree is 5-15kg, and the fruit trees can be used once or twice in the whole year.
Example 3:
an organic medium element fertilizer produced by magnesium hydroxide comprises the following raw materials in parts by weight: 150 parts of magnesium hydroxide, 100 parts of magnesium oxide, 35 parts of water-soluble magnesium, 60 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 12 parts of diammonium phosphate, 18 parts of ammonium sulfate, 10 parts of potassium chloride, 30 parts of magnesium hydroxide, 13 parts of potassium fulvate, 14 parts of amino acid, 3 parts of diethylaminoethanol caproate, 5 parts of trace elements, 15 parts of catalase and 10 parts of biological functional bacteria.
Wherein the microelements are prepared from ammonium molybdate, borax and ferric citrate according to a mass ratio of 2: 3: 5, preparing a composition; the biological functional bacteria comprise bacillus subtilis, bacillus megaterium, bacillus mucilaginosus, bacillus laterosporus and bacillus licheniformis in a weight ratio of 3: 3: 2: 2: 1. The procedure was as in example 1.
The preparation method of the organic secondary element fertilizer produced by using the magnesium hydroxide comprises the following steps:
1) putting magnesium hydroxide, magnesium oxide, water-soluble magnesium, molasses alcohol fermentation liquor with concentration of more than 50% and biological functional bacteria into a fermentation tank, fermenting for 36h at the temperature of 35 ℃, and filtering to remove insoluble substances to obtain fermentation liquor;
2) mixing the fermentation liquor obtained in the step 1 with diammonium phosphate, ammonium sulfate, potassium chloride, magnesium hydroxide, potassium fulvate, amino acid, diethylaminoethanol caproate, trace elements and catalase, uniformly stirring to obtain mixed slurry, and controlling the water content to be 25-35% according to actual conditions;
3) pumping the mixed slurry obtained in the step 2) into a slurry spraying granulator for granulation, drying, cooling and screening to obtain the organic-inorganic compound fertilizer. Wherein the particle size of the organic-inorganic compound fertilizer is controlled to be 2-4 mm.
Example 4:
an organic medium element fertilizer produced by magnesium hydroxide comprises the following raw materials in parts by weight: 180 parts of magnesium hydroxide, 85 parts of magnesium oxide, 50 parts of water-soluble magnesium, 45 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 20 parts of diammonium phosphate, 14 parts of ammonium sulfate, 17 parts of potassium chloride, 19 parts of magnesium hydroxide, 20 parts of potassium fulvate, 10 parts of amino acid, 8 parts of diethylaminoethanol caproate, 2 parts of trace elements, 30 parts of catalase and 4 parts of biofunctional bacteria.
Wherein the microelements are prepared from ammonium molybdate, borax and ferric citrate according to a mass ratio of 2: 3: 5, preparing a composition; the biological functional bacteria comprise bacillus subtilis, bacillus megaterium, bacillus mucilaginosus, bacillus laterosporus and bacillus licheniformis in a weight ratio of 3: 3: 2: 2: 1.
The preparation method and the using method of the organic-inorganic compound fertilizer are the same as those of the example 1.
Example 5:
an organic medium element fertilizer produced by magnesium hydroxide comprises the following raw materials in parts by weight: 140 parts of magnesium hydroxide, 95 parts of magnesium oxide, 30 parts of water-soluble magnesium, 55 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 8 parts of diammonium phosphate, 17 parts of ammonium sulfate, 6 parts of potassium chloride, 24 parts of magnesium hydroxide, 10 parts of potassium fulvate, 13 parts of amino acid, 2 parts of diethylaminoethanol caproate, 4 parts of trace elements, 10 parts of catalase and 10 parts of biofunctional bacteria.
Wherein the microelements are prepared from ammonium molybdate, borax and ferric citrate according to a mass ratio of 2: 3: 5, preparing a composition; the biological functional bacteria comprise bacillus subtilis, bacillus megaterium, bacillus mucilaginosus, bacillus laterosporus and bacillus licheniformis in a weight ratio of 3: 3: 2: 2: 1.
The preparation method and the using method of the organic-inorganic compound fertilizer are the same as those of the example 1.
Test example:
a400-mu sugarcane field is selected in a certain place in Guangxi for testing, the field is divided into 200 mu fields from left to right, the field is respectively a test field 1 and a test field 2, and the Guangxi osmanthus sugar 032287 varieties are planted. Newly planted in the seedling stage for 9 and 15 days, after 45 days, the organic-inorganic compound fertilizer prepared in the embodiment 1 is applied to the test field 1, 70kg of the organic-inorganic compound fertilizer is applied to each mu of the organic-inorganic compound fertilizer, the organic-inorganic compound fertilizer is scattered on the ground surface and ploughed into the soil, and the test field 2 is applied with the same amount of fertilizer special for sugarcane in the market. Comparison of sugarcane plants in two test fields is carried out 20 days after fertilization, and it is found that the height of the plants in the test field 1 is generally higher than that of the plants in the test field 2 by about 24cm, the leaves of the plants in the test field 1 are thicker, and the diameter of each plant can reach 5.5cm at most.
The test example shows that the organic-inorganic compound fertilizer prepared in the example 1 of the invention has better fertilizer effect than the fertilizer special for sugarcane in the market in the aspect of sugarcane planting.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An organic medium element fertilizer produced by using magnesium hydroxide is characterized by comprising the following raw materials in parts by weight: 180 parts of magnesium hydroxide 140, 80-100 parts of magnesium oxide, 30-50 parts of water-soluble magnesium, 40-60 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 8-20 parts of diammonium phosphate, 12-18 parts of ammonium sulfate, 6-17 parts of potassium chloride, 15-30 parts of magnesium hydroxide, 10-20 parts of potassium fulvate, 6-14 parts of amino acid, 2-8 parts of diethylaminoethanol caproate, 1-5 parts of trace elements, 10-30 parts of catalase and 4-10 parts of biological functional bacteria.
2. The organic medium element fertilizer produced by using magnesium hydroxide according to claim 1, which comprises the following raw materials in parts by weight: 170 parts of magnesium hydroxide 150, 85-95 parts of magnesium oxide, 35-45 parts of water-soluble magnesium, 45-55 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 12-16 parts of diammonium phosphate, 14-17 parts of ammonium sulfate, 10-15 parts of potassium chloride, 19-24 parts of magnesium hydroxide, 13-18 parts of potassium fulvate, 10-13 parts of amino acid, 3-5 parts of diethylaminoethanol caproate, 2-4 parts of trace elements, 15-20 parts of catalase and 4-10 parts of biological functional bacteria.
3. The organic medium element fertilizer produced by using magnesium hydroxide according to claim 1, which comprises the following raw materials in parts by weight: 160 parts of magnesium hydroxide, 90 parts of magnesium oxide, 40 parts of water-soluble magnesium, 50 parts of molasses alcohol fermentation liquor with the concentration of more than 50%, 14 parts of diammonium phosphate, 16 parts of ammonium sulfate, 12 parts of potassium chloride, 20 parts of magnesium hydroxide, 15 parts of potassium fulvate, 12 parts of amino acid, 4 parts of diethylaminoethanol caproate, 3 parts of trace elements, 18 parts of catalase and 6 parts of biological functional bacteria.
4. The organic secondary element fertilizer produced by using magnesium hydroxide according to any one of claims 1 to 3, wherein the trace elements are selected from ammonium molybdate, borax and ferric citrate according to a mass ratio of 2: 3: 5.
5. The organic secondary element fertilizer produced by using magnesium hydroxide according to any one of claims 1 to 3, wherein the biofunctional bacteria are selected from the group consisting of Bacillus subtilis, Bacillus megaterium, Bacillus mucilaginosus, Bacillus laterosporus and Bacillus licheniformis in a weight ratio of 3: 3: 2: 2: 1.
6. The organic medium element fertilizer produced by using magnesium hydroxide according to claim 1, wherein the preparation method of the compound fertilizer comprises the following steps:
1) putting magnesium hydroxide, magnesium oxide, water-soluble magnesium, molasses alcohol fermentation liquor with concentration of more than 50% and biological functional bacteria into a fermentation tank, fermenting for 24-48h at 25-45 ℃, and filtering to remove insoluble substances to obtain fermentation liquor;
2) mixing the fermentation liquor obtained in the step 1 with diammonium phosphate, ammonium sulfate, potassium chloride, magnesium hydroxide, potassium fulvate, amino acid, diethylaminoethanol caproate, trace elements and catalase, uniformly stirring to obtain mixed slurry, and controlling the water content to be 25-35% according to actual conditions;
3) pumping the mixed slurry obtained in the step 2) into a slurry spraying granulator for granulation, and drying, cooling and screening to obtain the organic-inorganic compound fertilizer.
7. The organic medium element fertilizer produced by using magnesium hydroxide according to claim 1, wherein the particle size of the organic-inorganic compound fertilizer is controlled to be 2-4 mm.
8. The organic medium element fertilizer produced by using magnesium hydroxide according to claim 1, wherein the use method of the organic-inorganic compound fertilizer comprises the following steps: 50kg-100kg of the fertilizer is used for wheat, rice, corn, sugarcane and vegetable fields, and is scattered on the ground surface for ploughing and digging; the using amount of each fruit tree is 5-15kg, and the fruit trees can be used once or twice in the whole year.
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| CN111763116A (en) * | 2020-07-13 | 2020-10-13 | 广西南宁华夏农业科技有限公司 | Organic-inorganic compound fertilizer capable of adjusting acid, supplementing magnesium and preventing plant yellowing and preparation method thereof |
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