CN110877993A - Humic acid silicon bacteria chelated fertilizer and preparation method thereof - Google Patents
Humic acid silicon bacteria chelated fertilizer and preparation method thereof Download PDFInfo
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- CN110877993A CN110877993A CN201911176454.3A CN201911176454A CN110877993A CN 110877993 A CN110877993 A CN 110877993A CN 201911176454 A CN201911176454 A CN 201911176454A CN 110877993 A CN110877993 A CN 110877993A
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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
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
Abstract
The invention relates to the technical field of fertilizers, in particular to a humic acid silicon bacteria chelated fertilizer and a preparation method thereof. The chelate fertilizer comprises, by weight, 20-50 parts of urea, 20-40 parts of monoammonium phosphate, 15-30 parts of potassium chloride, 18.75-25 parts of humic acid, 0.2 part of EDTA-2Na, 3-5 parts of silicon fertilizer, 0.5-1 part of biological raw bacteria and 0.4-0.8 part of auxiliary agent. The invention can greatly enhance the effects of continuous cropping resistance, low temperature resistance, drought resistance, lodging resistance and the like of crops, so that farmers do not need to apply fertilizers and medicines for the second time after using common fertilizers, the same effect can be achieved, the time and the labor are saved, and the cost is reduced. The invention can improve the soil environment, and compared with the common fertilizer, the soil has the advantages of deepened color, softened soil, reduced hard blocks and better ventilation after one-year planting. The saline-alkali soil is continuously used for more than three years, the saline-alkali condition is obviously reduced, and the pH value can be reduced by about 0.3-1.0.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fertilizers, in particular to a humic acid silicon bacteria chelated fertilizer and a preparation method thereof.
[ background of the invention ]
Chemical fertilizer, chemical fertilizer or physical fertilizer containing one or several nutritive elements necessary for growth of crops, also called inorganic fertilizer, includes nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, trace element fertilizer and compound fertilizer. They share some common features: the components are simple, and the nutrient content is high; the fertilizer efficiency is fast, and the fertilizer is strong; certain fertilizers have acid-base reactions; generally, the fertilizer does not contain organic matters and has no soil improvement and fertilization functions. The chemical fertilizers have more varieties and have larger differences in properties and application methods.
According to the call of the national ministry of agriculture and the ministry of agriculture, the agricultural planting needs to reduce the usage amount of chemical fertilizers, and advocates the use of organic fertilizers. Nitrogen, phosphorus and potassium are essential elements for plant growth, but the contents of nitrogen, phosphorus and potassium in the organic fertilizer are low, and if the organic fertilizer is used by field farmers in a large scale to replace chemical fertilizers, the planting yield is greatly reduced.
Humic acid is a macromolecular substance widely existing in nature, and is widely applied to various fields of agriculture, forestry, pasturing, petroleum, chemical industry, building materials, medicine, health, environmental protection and the like. Particularly, ecological agricultural construction, pollution-free agricultural production, green food, pollution-free and environment-friendly production and the like are advocated at present, and the humic acid is more advocated. In agriculture, humic acid fertilizer (for example, humic acid ammonium fertilizer can be made by using ammonia to neutralize humic acid) made up by combining with elements of nitrogen, phosphorus and potassium, etc. has the functions of raising fertilizer effect, improving soil, stimulating crop growth and improving quality of agricultural product. According to research, the humic acid is a mixture of natural aromatic hydroxycarboxylic acids, and the key part playing a role in chelation is an active functional group in the humic acid, mainly comprising carboxyl, phenolic hydroxyl, amino, quinonyl, carbonyl, sulfo and the like, has certain complexing and chelating effects on high-valence metal ions, and can promote nutrient absorption of crops.
The silicon fertilizer belongs to a medium element fertilizer, is relatively and systematically introduced into China by Chuidelong, and realizes industrial production and wide application in agriculture. According to the relevant documents, the silicon fertilizer can improve the quality of products, such as the sugar content, the coloring rate, the storage property, the transportation property and the like of apples. Recently, scientific research has also proved that silicon fertilizer can also prevent diseases and insects, such as rice blast and leavesLeaf spot, bacterial leaf blight, stem rot, banded sclerotial blight, downy mildew, gray mold, powdery mildew, root rot, stem borer, rice planthopper, cotton bollworm, aphid, whitefly, root nematode, etc. At present, the domestic produced and applied silicon fertilizers mainly comprise two types: one class is artificially synthesized, e.g. dicalcium silicate (2 CaOSiO)2) Calcium silicate (CaOSiO)2) Calcium magnesium silicate (CaOMgOSiO)2) Sodium metasilicate and high-efficiency silicon fertilizer containing sodium silicate and sodium metasilicate as main components. The effective silicon content of the silicon fertilizer produced by the process is more than 50 percent. The other is silicon fertilizer processed by various industrial solid wastes. The raw materials are from the following aspects: firstly, the total silicon content of blast furnace water-quenched slag generated in the iron-making process is 30-35 percent; secondly, waste residue generated in the production process of yellow phosphorus or phosphoric acid, wherein the total silicon content is 18-22%; thirdly, the total silicon content of the fly ash of the power plant reaches 20 to 30 percent; fourthly, waste glass. Generally, the application amount is large (about 25-50 kg per mu).
Chelates are chemically called complexes, which are cyclic structures formed by the attachment of a macromolecular ligand to a central metal atom, and organic molecular compounds capable of chelating metal ions are called chelating agents, or ligands. Chelators are capable of selectively capturing certain metal ions in plant cells and releasing such metal ions in appropriate amounts when necessary. The chelating agent has the capability of catching (swallowing or capturing) and longitudinally (spitting or releasing) metal ions, so that the crops can absorb nutrition more easily and more fully and reasonably. The chelate plays a role of a command part in the plant body, balances the nutrition supply among roots, stems, leaves, flowers and fruits and enables the plant to thrive. Therefore, the application of the chelating agent in the fertilizer production is another revolution in the agricultural production.
Aiming at the varieties of the fertilizers, only products such as organic fertilizers, biological organic fertilizers, microbial agents, chelating fertilizers and the like exist in the market at present, and the various fertilizers cannot be manufactured and combined to play a synergistic effect together. Furthermore, market research shows that most chelating fertilizers are singly added with substances such as humic acid or fulvic acid, and the humic acid has a certain chelating effect, but the action rate is low, and a good chelating effect cannot be realized.
[ summary of the invention ]
The invention aims to provide a humic acid silicon bacteria chelated fertilizer and a preparation method thereof aiming at the defects in the prior art. The invention forms a novel fertilizer by using major elements of nitrogen, phosphorus, potassium and silicon fertilizers, high-activity humic acid and beneficial microorganism bacteria through a production process and a double chelation technology, not only can improve the crop yield, but also can act on the improved soil, and achieves the optimal effects of high yield and soil cultivation and field fertilization.
The invention aims to provide a humic acid silicon bacteria chelated fertilizer, which comprises the following components in percentage by weight: 20-50 parts of urea, 20-40 parts of monoammonium phosphate, 15-30 parts of potassium chloride, 18.75-25 parts of humic acid (the content of organic matters is more than or equal to 80%), 0.2 part of EDTA-2Na, 3-5 parts of silicon fertilizer, 0.5-1 part of biological raw bacteria and 0.4-0.8 part of auxiliary agent.
A second object of the present invention is to provide: the potassium chloride is replaced by potassium sulfate.
A third object of the present invention is to provide: the silicon fertilizer is anhydrous sodium metasilicate, sodium metasilicate trihydrate, sodium metasilicate pentahydrate and sodium metasilicate nonahydrate, and the preferred is sodium metasilicate pentahydrate.
A fourth object of the present invention is to provide: the chelating agent used is disodium edetate, abbreviation: EDTA-2 Na.
A fifth object of the present invention is to provide: the biological raw bacteria comprise one or more of bacillus subtilis, salt-tolerant bacillus subtilis and bacillus licheniformis, and are in a powder state.
A sixth object of the present invention is to provide: the auxiliary agent comprises 0.1-0.3 part of anti-hardening paste and 0.3-0.5 part of anti-hardening agent.
In order to achieve the first to sixth objects, a seventh object of the present invention provides a method for preparing the silicon humate chelated fertilizer, comprising the steps of: (1) feeding and stirring, (2) granulating, then heating, drying and cooling, (3) adding a silicon fertilizer, heating, drying and cooling for the second time, (4) coating with humic acid, (5) spraying bacteria on particles, (6) coating with an auxiliary agent for the second time, and (7) filling to obtain a finished product.
In order to achieve the seventh object, the eighth object of the present invention provides a method for preparing a silicon humic acid bacteria chelated fertilizer, comprising the following steps: (1) feeding and stirring: adding urea, monoammonium phosphate, potassium chloride or potassium sulfate, humic acid and EDTA-2Na into a stirrer, and uniformly stirring to obtain a mixture;
(2) and (3) granulation: placing the mixture into a granulator for granulation, then heating the mixture in a first dryer, continuing granulation, then cooling the mixture in a first cooler, and sieving the cooled mixture to obtain a semi-finished product;
(3) adding a silicon fertilizer into the semi-finished product, then feeding the semi-finished product into a second dryer for secondary heating, and then feeding the semi-finished product into a second cooler for cooling to obtain qualified granules;
(4) coating with humic acid: the qualified granules enter a coating machine, and humic acid is used as a coating material for carrying out primary coating to obtain primary coated granules;
(5) spraying bacteria on the particles: preparing biological original bacteria powder into a mist shape by adopting bacteria spraying equipment and an air pump, and uniformly spreading the biological original bacteria powder on the primary coated particles;
(6) secondary coating: secondary coating is carried out by using anti-hardening paste and anti-hardening agent;
(7) and (4) filling a finished product: and finally, entering a packaging workshop, filling and sealing to obtain a finished product.
In order to achieve the eighth object, the invention adopts the technical scheme that: 0.1-0.2 part of anti-hardening paste, 0.3-0.4 part of anti-hardening agent and 3-5 parts of silicon fertilizer which is sodium metasilicate pentahydrate. The heating temperature of the first dryer is controlled to be 220 +/-10 ℃, and the secondary heating temperature of the second dryer is controlled to be 50 +/-10 ℃. Granulating in step (2): and (4) screening, wherein the qualified grain type enters the next procedure, the unqualified grain type enters the crusher for crushing, and the unqualified grain type enters the stirrer again to start the next circulation.
The novel multifunctional fertilizer is prepared by using a double-chelation technology, contains a large amount of nitrogen, phosphorus and potassium which are required by plant growth, and is added with raw materials such as a chelating agent, a silicon fertilizer, high-activity humic acid, beneficial biological strains and the like, so that double chelation of the humic acid and the chelating agent is realized, and the absorption of crops to nutrients is greatly promoted. The double chelation technology is characterized in that humic acid has a chelation function, and then a powerful chelating agent EDTA-2Na is added, so that metal ions can be effectively acted under the double chelation effect, and crop nutrition is supplied.
The fertilizer can supplement a large amount of trace elements, medium amount of elements and trace elements required by the growth of crops, has the effects of resisting diseases and insects, lodging and continuous cropping, resisting cold and drought, improving the quality of the crops, increasing the volume weight of fruits and the like, and finally achieves the aims of increasing the yield and income and improving the soil.
The humic acid coated substrate can be used as a substrate for coating beneficial biological bacteria and anti-caking materials, ensures that particles are rich in organic matters, prevents strains from being killed, and effectively ensures the survival rate of the strains.
The invention adopts the anti-hardening paste and the anti-hardening agent for secondary coating, avoids the possibility of killing bacteria by ultraviolet irradiation and reducing the survival rate of the bacteria caused by the exposure of beneficial biological bacteria outside, and can also improve soil and prevent fertilizer hardening.
(1) The invention can greatly enhance the effects of continuous cropping resistance, low temperature resistance, drought resistance, lodging resistance and the like of crops, so that farmers do not need to apply fertilizers and medicines for the second time after using common fertilizers, the same effect can be achieved, time and labor are saved, and the cost expenditure is reduced.
(2) The invention adopts the biological flora to prevent and control plant diseases and insect pests, achieves the aim of reducing pesticides, and is more green and environment-friendly.
(3) The invention can effectively improve the yield, and can improve the yield by 3 to 16 percent for various crops under the same seed, the same fertilizing amount and the same planting conditions.
(4) The invention can improve the soil environment. Compared with the common fertilizer, the common soil is deepened, softened and reduced in hard blocks and is more transparent after being planted for one year. The saline-alkali soil is continuously used for more than three years, the saline-alkali condition is obviously reduced, and the PH value can be reduced by about 0.3-1.1.
[ description of the drawings ]
FIG. 1 is a flow chart of a preparation process of a humic acid silicon bacteria chelated fertilizer provided by the invention.
[ detailed description ] embodiments
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 only a part of the embodiments of the present invention, and not all of the 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. The present invention will be described in detail with reference to examples.
The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially. In the following statements, the NPK formula 20-10-10, the NPK formula 21-8-10, the NPK formula 13-15-12, the NPK formula 19-9-11 and the NPK formula 12-14-14 come from Derun Fertilizer Limited of Jilin province; comparative experiment the bulk fertilizer 26-12-12 was from northHubei Zhonghua Orient Fertilizer, Inc.; the blended fertilizer 13-17-15 is from Shenyang four brothers fertilizer industry Co; the Lutian rice compound fertilizer 18-14-16 is from Liaoning Lutian fertilizer industry Co.
Example 1
The embodiment of the invention provides a humic acid silicon bacteria chelating fertilizer (a nitrogen phosphorus potassium formula is 20-10-10), which comprises the following components in percentage by weight: 38.3 parts of urea, 22.3 parts of monoammonium phosphate, 16.2 parts of potassium chloride, 18.9 parts of humic acid (the content of organic matters is more than or equal to 80 percent), 0.2 part of EDTA-2Na, 3 parts of sodium metasilicate pentahydrate, 0.5 part of biological raw bacteria, 0.2 part of anti-hardening paste and 0.4 part of anti-hardening agent. The biological original bacteria comprise bacillus subtilis, salt-tolerant bacillus subtilis and bacillus licheniformis, and the weight ratio is 0.5: 1.5: 1.
example 2
The embodiment of the invention provides a humic acid silicon bacteria chelate fertilizer (a nitrogen phosphorus potassium formula is 21-8-10), which can be used for corn fertilization and specifically comprises the following components in percentage by weight: 41.5 parts of urea, 17.8 parts of monoammonium phosphate, 16.2 parts of potassium chloride, 20.2 parts of humic acid (the content of organic matters is more than or equal to 80 percent), 0.2 part of EDTA-2Na, 3 parts of sodium metasilicate pentahydrate, 0.5 part of biological raw bacteria, 0.2 part of anti-hardening paste and 0.4 part of anti-hardening agent. The biological original bacteria comprise bacillus subtilis, salt-tolerant bacillus subtilis and bacillus licheniformis in a weight ratio of 1:0.5: 1.
Example 3
The embodiment of the invention provides a humic acid silicon bacteria chelating fertilizer (a nitrogen phosphorus potassium formula is 13-15-12), which comprises the following components in percentage by weight: 20.9 parts of urea, 33.4 parts of monoammonium phosphate, 21 parts of potassium chloride, 20.4 parts of humic acid (the content of organic matters is more than or equal to 80 percent), 0.2 part of EDTA-2Na, 3 parts of sodium metasilicate pentahydrate, 0.5 part of biological raw bacteria, 0.2 part of anti-hardening paste and 0.4 part of anti-hardening agent. The biological original bacteria comprise bacillus subtilis and bacillus licheniformis, and the weight ratio is 1: 1.5.
example 4
The embodiment of the invention provides a humic acid silicon bacteria chelate fertilizer (a nitrogen phosphorus potassium formula is 19-9-11), which can be used for rice fertilization and specifically comprises the following components in percentage by weight: 36.7 parts of urea, 20 parts of monoammonium phosphate, 17.8 parts of potassium chloride, 19.6 parts of humic acid (the content of organic matters is more than or equal to 80 percent), 0.2 part of EDTA-2Na, 4 parts of sodium metasilicate pentahydrate, 1 part of biological raw bacteria, 0.3 part of anti-hardening paste and 0.4 part of anti-hardening agent. The biological original bacteria comprise bacillus subtilis, salt-tolerant bacillus subtilis and bacillus licheniformis, and the weight ratio is 1: 1.5: 1.
Example 5
The embodiment of the invention provides a humic acid silicon bacteria chelating fertilizer (a nitrogen phosphorus potassium formula is 12-14-14), which comprises the following components in percentage by weight: 19.2 parts of urea, 31.2 parts of monoammonium phosphate, 22.6 parts of potassium sulfate, 20.1 parts of humic acid (the content of organic matters is more than or equal to 80 percent), 0.2 part of EDTA-2Na, 5 parts of sodium metasilicate pentahydrate, 1 part of biological raw bacteria, 0.3 part of anti-hardening paste and 0.4 part of anti-hardening agent. The biological original bacteria comprise bacillus subtilis and bacillus licheniformis, and the weight ratio is 1: 2.
example 6
The present embodiment provides a preparation method of the humic acid silicon bacteria chelated fertilizer of the above embodiments 1 to 5, which is specifically as follows with reference to the attached drawing 1:
(1) feeding and stirring: macroelement raw materials including urea granules, monoammonium phosphate powder, potassium chloride (or potassium sulfate) powder, humic acid and chelating agent EDTA-2Na are put into a stirrer according to the formula requirements for mixing and stirring to obtain a mixture.
(2) And (3) granulation: putting the mixture obtained in the step (1) into a granulator for granulation, and melting and granulating the materials by using high-temperature steam through the granulator; then the mixture enters a first dryer for continuous granulation, and the temperature is controlled to be 220 +/-10 ℃; then entering a first cooler for cooling; sieving with fine powder sieve and large granule sieve; and (3) enabling the semi-finished product with qualified grain type to enter the next procedure, enabling the semi-finished product with unqualified grain type to enter a crusher for crushing, and then enabling the semi-finished product with unqualified grain type to enter the stirrer again along with the raw materials in the step (1) to start next circulation (granulation, heating in a first dryer, continuous granulation, cooling in a first cooler and sieving).
(3) And adding sodium metasilicate pentahydrate into the semi-finished product with qualified grain shape, then feeding the semi-finished product into a second dryer for secondary heating, controlling the temperature to be 50 +/-10 ℃, then feeding the semi-finished product into a second cooler for cooling, and obtaining the qualified grain shape after cooling. In this embodiment, sodium metasilicate pentahydrate is added during the second drying because the water content of the granules in the previous processing procedure is higher, and the water content is lower when the granules enter the second drying roller, so that the sodium metasilicate pentahydrate can be prevented from reacting with water in advance.
(4) Coating with humic acid: discharging the qualified granules obtained in the step (3) into a coating machine, and carrying out primary coating by using humic acid as a coating material to obtain primary coated granules. The organic humic acid is wrapped outside the particles in the step, so that the particles can be used as a foundation bed for coating beneficial biological bacteria and anti-caking materials, and meanwhile, the particles are rich in organic matters to prevent strains from being killed.
(5) Spraying bacteria on the particles: the original biological bacteria powder is made into mist by adopting bacteria spraying equipment and an air pump and is uniformly dispersed on the primary coated particles.
(6) Secondary coating: and (3) secondary coating by using anti-hardening paste and anti-hardening agent. The anti-hardening paste mainly comprises palm oil, stearic acid, primary amine and paraffin, and the anti-hardening agent mainly comprises calcium powder, stearic acid and a coating agent, and the components have no influence on the survival of fungi. The secondary coating is used for avoiding the possibility that strains are exposed outside, killed by ultraviolet irradiation or the survival rate of the strains is reduced, and can also prevent the fertilizer from hardening.
(7) And (4) filling a finished product: and finally, entering a packaging workshop, filling and sealing to obtain a finished product.
Example 7
Verification test
The first test case is as follows:
a place: zhaoyuan county, Yishun county, Daqing City, Heilongjiang province
The using area is as follows: 500 hectare
Planting the variety: rice (Oryza sativa L.) with improved resistance to stress
Land conditions: severe saline-alkali soil
Experimental procedures and results: in 2015, the silicon humate chelated fertilizer is still in the research and development test stage and is tested in the own paddy field of Yishun village company. Soil condition before experiment: the severe saline-alkali soil has a pH value of 9.7, and in a non-planting period, the soil is seriously cracked, the surface of the soil is saltiness, and obvious 'white frost', namely saline-alkali powder, is formed on the surface of the soil. During planting, the soil has large viscosity, difficult land turning, large block, easy slipping when the surface is wet, low water absorption capacity and yield of 4000 jin per hectare of planted rice.
In 2018, by continuously using the silicon humate chelating fertilizer in the formula of the embodiment 1 for three years, the saline-alkali degree of the soil is obviously reduced, severe saline-alkali is changed into moderate saline-alkali, the soil viscosity is reduced, and obvious white frost is avoided during drought. The rice yield is increased to 8000 jin per hectare through inspection, and the PH value is reduced to 8.6. Therefore, the continuous use of the humic acid silicon bacteria chelated fertilizer is very effective for improving the saline-alkali soil.
Test case two:
a place: black Dimura county, Tailai city, Qizizahal city
The using area is as follows: 4 hectare
Planting the variety: corn (corn)
Land conditions: general plot
TABLE 1
Remarking: the profit is calculated according to the corn purchase price of 0.65 yuan/jin in 10 months in 2019
As can be seen from the above Table 1, the yield increase of corn by using the humic acid silicon bacteria chelated fertilizer for corn in example 2 is up to 7% compared with that of the common fertilizer. The comparison plots find slight pests and diseases in the planting period, and are sprayed with pesticide about 100 yuan. Researches also find that the clean income of farmers in the area is more than 700 per hectare by using the invention, no plant diseases and insect pests occur in the test plot, the pesticide spraying is reduced, and the environment protection is facilitated.
Test case three:
a place: mountain county large forest village
The using area is as follows: 2 hectare
Planting the variety: peanut
Land conditions: general plot
TABLE 2
Remarking: the profit is calculated according to the acquisition price of 2 yuan/jin of peanuts in 2019 and 10 months
As can be seen from the table 2, when the silicon humic acid bacteria chelated fertilizer of example 3 is used for planting peanuts, compared with the common fertilizer, the yield increase amplitude reaches 16.2%. As the field is planted with peanuts in successive years, the continuous cropping phenomenon and the soil-borne diseases are serious, the test field and the comparison field are both damaged, but the test field is slightly damaged, the comparison field is seriously damaged, and the yield is influenced. The comparison analysis shows that the use of the invention in the area brings about 3000 net benefits per hectare for farmers, and the benefit is very great.
Test case four:
a place: ancient city base of Xingan Yuanping workstation
The using area is as follows: 1.3 mu
Planting the variety: conventional Rice Yulong No. 2
Land conditions: general plot
Table 3 (Fertilizer test farming questionnaire)
Table 4 (Fertilizer test farming questionnaire)
Through the analysis of the tables 3 and 4, the yield increase amplitude reaches 8.5 percent when the rice is planted by using the silicon humic acid bacteria chelate fertilizer for rice in example 4 compared with the Phragmites communis rice compound fertilizer of 18-14-16. Therefore, the invention can not only improve the crop yield, but also act on the improved soil, thereby achieving the best effect of high yield and soil cultivation and field fertilization.
The humic acid silicon bacteria chelated fertilizer provided by the embodiment of the invention and the manufacturing method thereof are described in detail, the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. The humic acid silicon bacteria chelated fertilizer is characterized in that: comprises the following components in percentage by weight: 20-50 parts of urea, 20-40 parts of monoammonium phosphate, 15-30 parts of potassium chloride, 18.75-25 parts of humic acid (the content of organic matters is more than or equal to 80%), 0.2 part of EDTA-2Na, 3-5 parts of silicon fertilizer, 0.5-1 part of biological raw bacteria and 0.4-0.8 part of auxiliary agent.
2. The silicon humate chelated fertilizer according to claim 1, wherein: the potassium chloride is replaced by potassium sulfate.
3. The silicon humate chelated fertilizer according to claim 1, wherein: the silicon fertilizer is sodium metasilicate pentahydrate.
4. The silicon humate chelated fertilizer according to claim 1, wherein: the biological raw bacteria comprise one or more of bacillus subtilis, salt-tolerant bacillus subtilis and bacillus licheniformis, and are in a powder state.
5. The silicon humate chelated fertilizer according to claim 1, wherein: the auxiliary agent comprises 0.1-0.3 part of anti-hardening paste and 0.3-0.5 part of anti-hardening agent.
6. A method for preparing the humic acid silicon bacteria chelated fertilizer as defined in any one of claims 1-5, characterized in that: the method comprises the following steps: (1) feeding and stirring, (2) granulating, then heating, drying and cooling, (3) adding a silicon fertilizer, heating, drying and cooling for the second time, (4) coating with humic acid, (5) spraying bacteria on particles, (6) coating with an auxiliary agent for the second time, and (7) filling to obtain a finished product.
7. The method for preparing the silicon humate chelate fertilizer according to claim 6, which comprises the following steps: (1) feeding and stirring: adding urea, monoammonium phosphate, potassium chloride or potassium sulfate, humic acid and EDTA-2Na into a stirrer, and uniformly stirring to obtain a mixture;
(2) and (3) granulation: placing the mixture into a granulator for granulation, then heating the mixture in a first dryer, continuing granulation, then cooling the mixture in a first cooler, and sieving the cooled mixture to obtain a semi-finished product;
(3) adding a silicon fertilizer into the semi-finished product, then feeding the semi-finished product into a second dryer for secondary heating, and then feeding the semi-finished product into a second cooler for cooling to obtain qualified granules;
(4) coating with humic acid: the qualified granules enter a coating machine, and humic acid is used as a coating material for carrying out primary coating to obtain primary coated granules;
(5) spraying bacteria on the particles: preparing biological original bacteria powder into a mist shape by adopting bacteria spraying equipment and an air pump, and uniformly spreading the biological original bacteria powder on the primary coated particles;
(6) secondary coating: secondary coating is carried out by using anti-hardening paste and anti-hardening agent;
(7) and (4) filling a finished product: and finally, entering a packaging workshop, filling and sealing to obtain a finished product.
8. The preparation method of the humic acid silicon bacteria chelated fertilizer as claimed in claim 7, wherein the hardening prevention paste is 0.1-0.3 part, the hardening prevention agent is 0.3-0.5 part, and the silicon fertilizer is sodium metasilicate pentahydrate and 3-5 parts.
9. The method for preparing the silicon humate chelate fertilizer according to claim 7, wherein the temperature of the first dryer is controlled by 220 +/-10 ℃ and the temperature of the second dryer is controlled by 50 +/-10 ℃ in a secondary heating mode.
10. The method for preparing the silicon humate chelate fertilizer according to claim 7, wherein (2) granulation: and (4) screening, wherein the qualified grain type enters the next procedure, the unqualified grain type enters the crusher for crushing, and the unqualified grain type enters the stirrer again to start the next circulation.
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| CN107032914A (en) * | 2016-09-29 | 2017-08-11 | 深圳市芭田生态工程股份有限公司 | Biological coat fertilizer of a kind of high-activity humic acid and preparation method thereof |
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| US20110226028A1 (en) * | 2008-03-11 | 2011-09-22 | Geoffrey Dylan Wells | Fertilizer Suspension and Method of Preparation |
| CN105294262A (en) * | 2015-10-30 | 2016-02-03 | 全椒县琪悦家庭农场 | Nitrogen-fixing phosphate-dissolving potassium-dissolving microorganism compound fertilizer and preparation method thereof |
| CN105294263A (en) * | 2015-10-30 | 2016-02-03 | 全椒县琪悦家庭农场 | Nitrogen-fixing microorganism compound fertilizer and preparation method thereof |
| CN107032914A (en) * | 2016-09-29 | 2017-08-11 | 深圳市芭田生态工程股份有限公司 | Biological coat fertilizer of a kind of high-activity humic acid and preparation method thereof |
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Application publication date: 20200313 |