Microbial organic fertilizer and preparation method thereof

Abstract

The invention discloses a microbial organic fertilizer which comprises the following raw materials in parts by weight: 35-45 parts of a microbial agent, 20-25 parts of an organic fertilizer, 15-20 parts of amino acid, 10-15 parts of sodium humate and 10-15 parts of filler particles, the microbial agent is prepared from bacillus subtilis, lactobacillus and nitrobacter according to the weight ratio of 3: 1: 1; the organic body fertilizer is obtained by mixing 30-45 parts of rice straw, 20-25 parts of livestock manure and 10-14 parts of water, stacking the mixture at 45 DEG C for 30 days, and finally crushing the mixture in a crusher to pass through a 100-mesh sieve. According to the microbial organic fertilizer, the microbial agent is matched with the organic fertilizer, the amino acid and the sodium humate are added, meanwhile, the filler particles are added, and the filler particles are matched into the system, so that the fertilizer quality of the microbial organic fertilizer is enhanced, and the heavy metal removal efficiency of the product is improved.

Description

Technical Field

[0001] The invention relates to the technical field of organic fertilizers, and in particular to a microbial organic fertilizer and a preparation method thereof. Background Art

[0002] Organic fertilizers are fertilizers containing compounds of carbon, including human feces, manure, compost, green manure, cake fertilizer, biogas fertilizer, etc.; among them, human feces contain 0.5% nitrogen, and manure is mainly livestock feces, mixed with various gasket materials. Its function is to improve soil and fertilize the soil. Microbial organic fertilizer is organic fertilizer or organic microbial coated fertilizer made from organic solid waste (including organic garbage, straw, livestock and poultry manure, cake, agricultural and sideline products and solid waste from food processing) after microbial fermentation, deodorization and complete decomposition.

[0003] Existing microbial organic fertilizers have poor fertilizer efficiency and poor effect on improving heavy metals in the soil, which limits the efficiency of product use. Summary of the invention

[0004] In view of the defects of the prior art, the object of the present invention is to provide a microbial organic fertilizer and a preparation method thereof to solve the problems raised in the above background technology.

[0005] The present invention solves the technical problem by adopting the following technical solution: The present invention provides a microbial organic fertilizer, comprising the following raw materials in parts by weight: 35-45 parts of microbial agent, 20-25 parts of organic fertilizer, 15-20 parts of amino acid, 10-15 parts of sodium humate, 10-15 parts of filler particles; The microbial agent is prepared by mixing Bacillus subtilis, Lactobacillus and Nitrobacter in a weight ratio of 3:1:1; Organic fertilizer is prepared by mixing 30-45 parts of rice straw, 20-25 parts of livestock manure and 10-14 parts of water, and then stacking at 45°C for 30 days, and finally crushing it in a grinder with a size of 100 mesh to obtain organic fertilizer.

[0006] Preferably, the filler particles are prepared by: The attapulgite is dissolved in deionized water in an amount of 5-8 times the total amount of the attapulgite, and then 5-10% of the total amount of the attapulgite carboxymethyl cellulose and 2-5% of the total amount of the attapulgite chitosan solution are added to the attapulgite, and the mixture is stirred and mixed thoroughly; Then, a blending agent of 4-7% of the total amount of the attapulgite is added to the attapulgite, and the ball milling treatment is continued. Finally, the filler particles are obtained by washing, filtering and drying.

[0007] Preferably, the mass fraction of the chitosan solution is 2-5%.

[0008] Preferably, the ball milling speed of the ball milling treatment is 1000-1500 r / min, and the ball milling time is 1-2 h.

[0009] Preferably, the preparation method of the formulation is: The hydroxyapatite is stirred and mixed thoroughly in a sufficient amount of potassium permanganate solution, then washed and dried, and the dried hydroxyapatite is subjected to heat treatment. After the treatment is completed, the preparation can be obtained.

[0010] Preferably, the mass fraction of the potassium permanganate solution is 2-5%.

[0011] Preferably, the specific operation steps of the thermal improvement treatment are: First, heat treat at 120-130℃ for 20-30min, then heat to 210-220℃ at a constant rate, keep warm for 5min, and finally air cool to room temperature.

[0012] Preferably, the constant rate is 2-5°C / min.

[0013] Preferably, the constant rate is 3.5°C / min.

[0014] A method for preparing microbial organic fertilizer comprises the following steps: mixing raw materials uniformly to obtain the microbial organic fertilizer.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The microbial organic fertilizer of the present invention adopts microbial agents in combination with organic fertilizer, adds amino acids and sodium humate, and simultaneously adds filler particles, and adopts the filler particles to be coordinated into the system, so as to enhance the fertilizer quality of the microbial organic fertilizer and improve the heavy metal removal efficiency of the product. DETAILED DESCRIPTION

[0016] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] A microbial organic fertilizer comprises the following raw materials in parts by weight: 35-45 parts of microbial agent, 20-25 parts of organic fertilizer, 15-20 parts of amino acid, 10-15 parts of sodium humate, 10-15 parts of filler particles; The microbial agent is prepared by mixing Bacillus subtilis, Lactobacillus and Nitrobacter in a weight ratio of 3:1:1; Organic fertilizer is prepared by mixing 30-45 parts of rice straw, 20-25 parts of livestock manure and 10-14 parts of water, and then stacking at 45°C for 30 days, and finally crushing it in a grinder with a size of 100 mesh to obtain organic fertilizer.

[0018] The preparation method of the filler particles of this embodiment is: The attapulgite is dissolved in deionized water in an amount of 5-8 times the total amount of the attapulgite, and then 5-10% of the total amount of the attapulgite carboxymethyl cellulose and 2-5% of the total amount of the attapulgite chitosan solution are added to the attapulgite, and the mixture is stirred and mixed thoroughly; Then, a blending agent of 4-7% of the total amount of the attapulgite is added to the attapulgite, and the ball milling treatment is continued. Finally, the filler particles are obtained by washing, filtering and drying.

[0019] The mass fraction of the chitosan solution in this embodiment is 2-5%.

[0020] The ball milling speed of the ball milling treatment in this embodiment is 1000-1500 r / min, and the ball milling is 1-2 hours.

[0021] The preparation method of the blending agent of the present embodiment is: The hydroxyapatite is stirred and mixed thoroughly in a sufficient amount of potassium permanganate solution, then washed and dried, and the dried hydroxyapatite is subjected to heat treatment. After the treatment is completed, the preparation can be obtained.

[0022] The mass fraction of the potassium permanganate solution in this embodiment is 2-5%.

[0023] The specific operation steps of the thermal improvement treatment of this embodiment are: First, heat treat at 120-130℃ for 20-30min, then heat to 210-220℃ at a constant rate, keep warm for 5min, and finally air cool to room temperature.

[0024] The constant rate in this embodiment is 2-5°C / min.

[0025] The constant rate in this example is 3.5°C / min.

[0026] A method for preparing microbial organic fertilizer comprises the following steps: mixing raw materials uniformly to obtain the microbial organic fertilizer.

[0027] Example 1. A microbial organic fertilizer of the present embodiment comprises the following raw materials in parts by weight: 35 parts of microbial agent, 20 parts of organic fertilizer, 15 parts of amino acid, 10 parts of sodium humate, 10 parts of filler granules; The microbial agent is prepared by mixing Bacillus subtilis, Lactobacillus and Nitrobacter in a weight ratio of 3:1:1; Organic fertilizer is a mixture of 30 parts of rice straw, 20 parts of livestock manure and 10 parts of water, which is then piled at 45°C for 30 days and finally crushed in a grinder to a size of 100 mesh to obtain organic fertilizer.

[0028] The preparation method of the filler particles of this embodiment is: The attapulgite is dissolved in deionized water at a volume of 5 times the total volume of the attapulgite, and then 5% of the total volume of the attapulgite, carboxymethyl cellulose and 2% of the total volume of the attapulgite are added to the attapulgite, and the mixture is stirred and mixed thoroughly; Then, a blending agent accounting for 4% of the total amount of the attapulgite is added to the attapulgite, and the ball milling treatment is continued. Finally, the filler particles are obtained by washing, filtering and drying.

[0029] The mass fraction of the chitosan solution in this embodiment is 2%.

[0030] The ball milling speed of the ball milling treatment in this embodiment is 1000 r / min, and the ball milling is 1 hour.

[0031] The preparation method of the blending agent of the present embodiment is: The hydroxyapatite is stirred and mixed thoroughly in a sufficient amount of potassium permanganate solution, then washed and dried, and the dried hydroxyapatite is subjected to heat treatment. After the treatment is completed, the preparation can be obtained.

[0032] The mass fraction of the potassium permanganate solution in this embodiment is 2%.

[0033] The specific operation steps of the thermal improvement treatment of this embodiment are: First, heat treat at 120℃ for 20min, then increase the temperature to 210℃ at a constant rate, keep warm for 5min, and finally air cool to room temperature.

[0034] The constant rate in this example is 2°C / min.

[0035] Example 2. A microbial organic fertilizer of the present embodiment of the present embodiment comprises the following raw materials in parts by weight: 45 parts of microbial agent, 25 parts of organic fertilizer, 20 parts of amino acid, 15 parts of sodium humate, 15 parts of filler granules; The microbial agent is prepared by mixing Bacillus subtilis, Lactobacillus and Nitrobacter in a weight ratio of 3:1:1; Organic fertilizer is prepared by mixing 45 parts of rice straw, 25 parts of livestock manure and 14 parts of water, then stacking at 45°C for 30 days and finally crushing it in a grinder to a size of 100 mesh to obtain organic fertilizer.

[0036] The preparation method of the filler particles of this embodiment is: The attapulgite is dissolved in deionized water in an amount of 8 times the total amount of the attapulgite, and then 10% of the total amount of the attapulgite carboxymethyl cellulose and 5% of the total amount of the attapulgite chitosan solution are added to the attapulgite, and the mixture is stirred and mixed thoroughly; Then, a blending agent accounting for 7% of the total amount of the attapulgite is added to the attapulgite, and the ball milling treatment is continued. Finally, the filler particles are obtained by washing, filtering and drying.

[0037] The mass fraction of the chitosan solution in this embodiment is 5%.

[0038] The ball milling speed of the ball milling treatment in this embodiment is 1500 r / min, and the ball milling is 2 h.

[0039] The preparation method of the blending agent of the present embodiment is: The hydroxyapatite is stirred and mixed thoroughly in a sufficient amount of potassium permanganate solution, then washed and dried, and the dried hydroxyapatite is subjected to heat treatment. After the treatment is completed, the preparation can be obtained.

[0040] The mass fraction of the potassium permanganate solution in this embodiment is 5%.

[0041] The specific operation steps of the thermal improvement treatment of this embodiment are: First, heat treat at 130℃ for 30min, then increase the temperature to 220℃ at a constant rate, continue to keep warm for 5min, and finally air cool to room temperature.

[0042] The constant rate in this example is 5°C / min.

[0043] Example 3. A microbial organic fertilizer of the present embodiment of the present embodiment comprises the following raw materials in parts by weight: 40 parts of microbial agent, 22.5 parts of organic fertilizer, 17.5 parts of amino acid, 12.5 parts of sodium humate, 12.5 parts of filler particles; The microbial agent is prepared by mixing Bacillus subtilis, Lactobacillus and Nitrobacter in a weight ratio of 3:1:1; Organic fertilizer is prepared by mixing 35 parts of rice straw, 22.5 parts of livestock manure and 12 parts of water, then stacking at 45°C for 30 days and finally crushing it in a grinder with a size of 100 mesh to obtain organic fertilizer.

[0044] The preparation method of the filler particles of this embodiment is: The attapulgite is dissolved in deionized water at a volume of 6.5 times the total volume of the attapulgite, and then a solution of carboxymethyl cellulose at a volume of 7.5% of the total volume of the attapulgite and a solution of chitosan at a volume of 3.5% of the total volume of the attapulgite are added to the attapulgite, and the mixture is stirred and mixed thoroughly; Then, a blending agent accounting for 5.5% of the total amount of the attapulgite is added to the attapulgite, and the ball milling treatment is continued. Finally, the filler particles are obtained by washing, filtering and drying.

[0045] The mass fraction of the chitosan solution in this embodiment is 3.5%.

[0046] The ball milling speed of the ball milling treatment in this embodiment is 1250 r / min, and the ball milling is 1.5 h.

[0047] The preparation method of the blending agent of the present embodiment is: The hydroxyapatite is stirred and mixed thoroughly in a sufficient amount of potassium permanganate solution, then washed and dried, and the dried hydroxyapatite is subjected to heat treatment. After the treatment is completed, the preparation can be obtained.

[0048] The mass fraction of the potassium permanganate solution in this embodiment is 3.5%.

[0049] The specific operation steps of the thermal improvement treatment of this embodiment are: First, heat treat at 125℃ for 25min, then increase the temperature to 215℃ at a constant rate, keep warm for 5min, and finally air cool to room temperature.

[0050] The constant rate in this example is 3.5°C / min.

[0051] Example 4. A microbial organic fertilizer of the present embodiment of the present embodiment comprises the following raw materials in parts by weight: 38 parts of microbial agent, 22 parts of organic fertilizer, 17 parts of amino acid, 12 parts of sodium humate, 13 parts of filler particles; The microbial agent is prepared by mixing Bacillus subtilis, Lactobacillus and Nitrobacter in a weight ratio of 3:1:1; Organic fertilizer is a mixture of 32 parts of rice straw, 22 parts of livestock manure and 12 parts of water, which is then piled at 45°C for 30 days and finally crushed in a grinder to a size of 100 mesh to obtain organic fertilizer.

[0052] The preparation method of the filler particles of this embodiment is: The attapulgite is dissolved in deionized water at a volume of 6 times the total volume of the attapulgite, and then a solution of carboxymethyl cellulose at a volume of 7% of the total volume of the attapulgite and a solution of chitosan at a volume of 3% of the total volume of the attapulgite are added to the attapulgite, and the mixture is stirred and mixed thoroughly; Then, a blending agent accounting for 5% of the total amount of the attapulgite is added to the attapulgite, and the ball milling treatment is continued. Finally, the filler particles are obtained by washing, filtering and drying.

[0053] The mass fraction of the chitosan solution in this embodiment is 3%.

[0054] The ball milling speed of the ball milling treatment in this embodiment is 1250 r / min, and the ball milling time is 1.2 h.

[0055] The preparation method of the blending agent of the present embodiment is: The hydroxyapatite is stirred and mixed thoroughly in a sufficient amount of potassium permanganate solution, then washed and dried, and the dried hydroxyapatite is subjected to heat treatment. After the treatment is completed, the preparation can be obtained.

[0056] The mass fraction of the potassium permanganate solution in this embodiment is 3%.

[0057] The specific operation steps of the thermal improvement treatment of this embodiment are: First, heat treat at 128°C for 22 minutes, then increase the temperature to 213°C at a constant rate, continue to keep warm for 5 minutes, and finally air cool to room temperature.

[0058] The constant rate in this example is 3°C / min.

[0059] Example 5. A microbial organic fertilizer comprises the following raw materials in parts by weight: 42 parts of microbial agent, 23 parts of organic fertilizer, 18 parts of amino acid, 14 parts of sodium humate, 13 parts of filler particles; The microbial agent is prepared by mixing Bacillus subtilis, Lactobacillus and Nitrobacter in a weight ratio of 3:1:1; Organic fertilizer is prepared by mixing 42 parts of rice straw, 23 parts of livestock manure and 12 parts of water, then stacking at 45°C for 30 days and finally crushing it in a grinder with a size of 100 mesh to obtain organic fertilizer.

[0060] The preparation method of the filler particles of this embodiment is: The attapulgite is dissolved in deionized water at a volume of 7 times the total volume of the attapulgite, and then 8% of the total volume of the attapulgite and 4% of the total volume of the attapulgite are added to the attapulgite, and the mixture is stirred and mixed thoroughly; Then, a blending agent accounting for 6% of the total amount of the attapulgite is added to the attapulgite, and the ball milling treatment is continued. Finally, the filler particles are obtained by washing, filtering and drying.

[0061] The mass fraction of the chitosan solution in this embodiment is 4%.

[0062] The ball milling speed of the ball milling treatment in this embodiment is 1450 r / min, and the ball milling is performed for 2 hours.

[0063] The preparation method of the blending agent of the present embodiment is: The hydroxyapatite is stirred and mixed thoroughly in a sufficient amount of potassium permanganate solution, then washed and dried, and the dried hydroxyapatite is subjected to heat treatment. After the treatment is completed, the preparation can be obtained.

[0064] The mass fraction of the potassium permanganate solution in this embodiment is 4%.

[0065] The specific operation steps of the thermal improvement treatment of this embodiment are: First, heat treat at 128°C for 28 minutes, then increase the temperature to 218°C at a constant rate, continue to keep warm for 5 minutes, and finally air cool to room temperature.

[0066] The constant rate in this example is 4°C / min.

[0067] A method for preparing microbial organic fertilizer comprises the following steps: mixing raw materials uniformly to obtain the microbial organic fertilizer.

[0068]

[0069] The products of Examples 1-5 have excellent soil heavy metal treatment efficiency, the corn product per acre is excellent, and the performance effect of the products is significant.

[0070] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0071] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A microbial organic fertilizer, characterized in that: It includes the following raw materials in parts by weight: 35-45 parts of microbial agent, 20-25 parts of organic fertilizer, 15-20 parts of amino acid, 10-15 parts of sodium humate, 10-15 parts of filler particles; The microbial agent is prepared by mixing Bacillus subtilis, Lactobacillus and Nitrobacter in a weight ratio of 3:1:1; Organic fertilizer is prepared by mixing 30-45 parts of rice straw, 20-25 parts of livestock manure and 10-14 parts of water, and then stacking at 45°C for 30 days, and finally crushing it in a grinder with a size of 100 mesh to obtain organic fertilizer.

2. A microbial organic fertilizer according to claim 1, characterized in that, The preparation method of the filler particles is: The attapulgite is dissolved in deionized water in an amount of 5-8 times the total amount of the attapulgite, and then 5-10% of the total amount of the attapulgite carboxymethyl cellulose and 2-5% of the total amount of the attapulgite chitosan solution are added to the attapulgite, and the mixture is stirred and mixed thoroughly; Then, a blending agent of 4-7% of the total amount of the attapulgite is added to the attapulgite, and the ball milling treatment is continued. Finally, the filler particles are obtained by washing, filtering and drying.

3. A microbial organic fertilizer according to claim 2, characterized in that, The mass fraction of the chitosan solution is 2-5%.

4. A microbial organic fertilizer according to claim 2, characterized in that, The ball milling process is performed at a ball milling speed of 1000-1500 r / min and the ball milling time is 1-2 hours.

5. A microbial organic fertilizer according to claim 2, characterized in that, The preparation method of the blending agent is as follows: The hydroxyapatite is stirred and mixed thoroughly in a sufficient amount of potassium permanganate solution, then washed with water and dried. The dried hydroxyapatite is subjected to heat treatment, and after the treatment is completed, the preparation is obtained.

6. A microbial organic fertilizer according to claim 5, characterized in that: The mass fraction of the potassium permanganate solution is 2-5%.

7. A microbial organic fertilizer according to claim 5, characterized in that: The specific operation steps of the thermal improvement treatment are: First, heat treat at 120-130℃ for 20-30min, then heat to 210-220℃ at a constant rate, keep warm for 5min, and finally air cool to room temperature.

8. A microbial organic fertilizer according to claim 7, characterized in that, The constant rate is 2-5°C / min.

9. A microbial organic fertilizer according to claim 7, characterized in that: The constant rate was 3.5°C / min.

10. A method for preparing the microbial organic fertilizer according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: mixing raw materials uniformly to obtain microbial organic fertilizer.

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