CN113480357A - Bulk blend fertilizer - Google Patents

Bulk blend fertilizer Download PDF

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Publication number
CN113480357A
CN113480357A CN202110732623.8A CN202110732623A CN113480357A CN 113480357 A CN113480357 A CN 113480357A CN 202110732623 A CN202110732623 A CN 202110732623A CN 113480357 A CN113480357 A CN 113480357A
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parts
fertilizer
plant growth
growth regulator
bulk
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CN202110732623.8A
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Chinese (zh)
Inventor
熊亮
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Jiashili Tieling Chemical Fertilizer Co ltd
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Jiashili Tieling Chemical Fertilizer Co ltd
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Priority to CN202110732623.8A priority Critical patent/CN113480357A/en
Publication of CN113480357A publication Critical patent/CN113480357A/en
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B7/00Fertilisers based essentially on alkali or ammonium orthophosphates
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/30Anti-agglomerating additives; Anti-solidifying additives
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/40Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/60Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/90Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G5/00Fertilisers characterised by their form
    • C05G5/10Solid or semi-solid fertilisers, e.g. powders
    • C05G5/12Granules or flakes
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G5/00Fertilisers characterised by their form
    • C05G5/30Layered or coated, e.g. dust-preventing coatings

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  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Plant Pathology (AREA)
  • Fertilizers (AREA)

Abstract

The invention relates to a bulk blending fertilizer which comprises the following raw materials in parts by weight: 5-25 parts of diammonium hydrogen phosphate, 7-35 parts of potassium chloride, 20-70 parts of coated urea, 6-20 parts of magnesium sulfate, 1-10 parts of zinc sulfate, 1-10 parts of boron fertilizer, 10-20 parts of anti-caking agent, 3-17 parts of biological agent and 2-14 parts of plant growth regulator. The invention has rich nutrition, contains major elements of nitrogen, phosphorus and potassium and trace elements of boron, magnesium and zinc which are required by the growth of plants, can meet the growth requirement of crops without adding other nutrient components for mixing, can promote the growth of root systems, improves the nutrient absorption rate of the crops, and increases the yield of the crops.

Description

Bulk blend fertilizer
Technical Field
The invention belongs to the technical field of crop compound fertilizers, and particularly relates to a bulk blend fertilizer.
Background
The function of the fertilizer in agricultural production is more and more important, but the fertilizer utilization rate is always low, the low fertilizer utilization rate not only causes resource waste and reduces the economic benefit of agricultural production, but also brings serious environmental problems, people are dedicated to the research of improving the fertilizer utilization rate, and a plurality of effective methods and ways are provided, such as deep application of nitrogen fertilizer, water-borne fertilizer, screening of nutrient efficient genotype crop varieties, development of slow/controlled release fertilizer and the like. The slow release fertilizer can save 20-40% of the consumption compared with the traditional fertilizer under the same yield, effectively reduce the negative impact of fertilization on the environment, save labor and cost, is considered as an important development direction of the fertilizer in the 21 st century, and becomes a hotspot and frontier of the research of the fertilizer world at home and abroad.
Disclosure of Invention
The technical scheme adopted by the invention is as follows: the bulk blended fertilizer comprises the following raw materials in parts by weight: 5-25 parts of diammonium hydrogen phosphate, 7-35 parts of potassium chloride, 20-70 parts of coated urea, 6-20 parts of magnesium sulfate, 1-10 parts of zinc sulfate, 1-10 parts of boron fertilizer, 10-20 parts of anti-caking agent, 3-17 parts of biological agent and 2-14 parts of plant growth regulator.
The bulk blending fertilizer comprises the following raw materials in parts by weight: 6-21 parts of diammonium hydrogen phosphate, 9-30 parts of potassium chloride, 30-60 parts of coated urea, 7-15 parts of magnesium sulfate, 2-9 parts of zinc sulfate, 2-8 parts of boron fertilizer, 11-19 parts of anti-caking agent, 4-16 parts of biological agent and 3-12 parts of plant growth regulator.
The biological agent is one or more of actinomycetes, azotobacter, silicate bacteria or bacillus subtilis.
The plant growth regulator is one or more of diethyl aminoethyl hexanoate, forchlorfenuron, and sodium salt of navelyl acetate.
The anti-caking agent is inorganic powder or a surfactant; the inorganic powder is one or more than two of kaolin, talcum powder, zeolite powder or bentonite; the surfactant is one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, sodium stearate and calcium stearate.
The preparation method of the bulk blend fertilizer comprises the following steps:
(1) weighing diammonium hydrogen phosphate, potassium chloride, magnesium sulfate, zinc sulfate and boric fertilizer according to a certain proportion, crushing and sieving for later use;
(2) mixing polyvinyl alcohol and polyurethane, adding the mixture into an organic solvent, continuously stirring to dissolve the mixture, heating the mixture, spraying a dispersion liquid for preparing a coating material on the surface of granular urea, and drying the coating material to prepare coated urea;
(3) mixing the products obtained in the steps, adding the plant growth regulator according to the proportion, mixing and stirring, drying, and putting into a granulator for granulation to obtain the plant growth regulator.
Urea: is the nitrogen fertilizer with the highest nitrogen content at present. Urea is a high-concentration nitrogen fertilizer, belongs to a neutral quick-acting fertilizer, and can also be used for producing various compound fertilizers. No harmful substance is left in the soil, and no adverse effect is caused after long-term application. Urea is suitable for use as a base fertilizer and a top dressing, and is sometimes used as a seed fertilizer. The urea is suitable for all crops and all soils, can be used as a base fertilizer and a top dressing, and can be applied to both dry and paddy fields. Urea can promote cell division and growth, and make branches and leaves grow luxuriantly.
Monoammonium phosphate: good chemical stability and good compatibility with ammonium sulfate, potassium dihydrogen phosphate and the like. Is one of the main varieties of high-concentration phosphorus compound fertilizers. The product is generally used as a top dressing, and is also the most main basic raw material for producing ternary blended fertilizer and BB fertilizer; the product is widely applicable to various grain crops and economic crops. Application as a fertilizer during crop growth is most suitable, being acidic in the soil, and also being superior to other fertilizers in alkaline soil.
Ammonium sulfate: it is mainly used as fertilizer and is suitable for various soils and crops. A high-quality nitrogen fertilizer (commonly called "fertilizer field powder") is suitable for general soil and crops, and can make branches and leaves grow vigorously, raise fruit quality and yield, and raise the resistance of crops to disasters, so that it can be used as base fertilizer, additional fertilizer and seed fertilizer.
Amino acid chelated zinc: the amino acid chelated zinc is a zinc structural form in which zinc ions are embedded between two amino acid molecules. Two amino acid molecules clamp a zinc ion like crab pincers to form an ultra-stable chelating structure. The amino acid can be directly absorbed by the plants to stimulate the growth of the plants, and the amino acid can be directly utilized by the plants under the condition of no photosynthesis; when the amino acid medium trace element chelate is used as a chelate, metal ions can be protected from generating side reactions with other substances, and the chelate can be absorbed and utilized by crops after the metal ions reach the required parts of the plants, so that the amino acid medium trace element chelate is an organic medium trace element fertilizer with excellent performance, low price and moderate chelating constant, and can effectively solve the contradiction between balanced fertilizer preparation and balanced absorption of the crops.
Potassium sulfate: the potassium sulfate is colorless crystals, has small hygroscopicity, is not easy to agglomerate, has good physical properties, is convenient to apply and is a good water-soluble potassium fertilizer.
Potassium dihydrogen phosphate: the fertilizer is used as a high-efficiency phosphorus-potassium compound fertilizer in agriculture; the potassium dihydrogen phosphate product is widely suitable for various types of cash crops, grains, melons, fruits, vegetables and almost all types of crops. The actual application effect of various crops in various regions proves that the monopotassium phosphate has a plurality of excellent effects of remarkably increasing both production and income, improving quantity and optimizing quality, resisting lodging, resisting diseases and insect pests, preventing and treating premature senility and the like, and has the effect of overcoming the insufficient nutrition caused by the reduction of the aging and absorption capacity of the root system in the later growth period of the crops.
Compound sodium nitrophenolate: has the functions of promoting cell protoplasm flow, improving cell activity, accelerating plant growth and development, promoting root growth and seedling strengthening, protecting flower and fruit, bearing fruit and expanding, improving yield, enhancing stress resistance and the like.
Straw: the straw is a general term of stem leaf (ear) part of mature crops. Typically refers to the remainder of the wheat, rice, corn, potatoes, oil, cotton, sugar cane and other crops (typically roughages) after harvesting the seed. The straw is rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, is a multipurpose renewable biological resource, and is a coarse feed. It features high coarse fibre content (30-40%), and lignin content. The straw bio-fertilizer produced by the straw has higher fertilizer efficiency. The straw is used as a fertilizer to be applied to farmlands through comprehensive utilization, and the method is an effective method for supplementing and balancing soil nutrients and improving soil.
Bean pulp: is a byproduct obtained after soybean oil is extracted from soybeans. The bean pulp is a good organic fertilizer raw material.
Vinasse: the vinasse is a good organic fertilizer, and can effectively improve weak acid state of soil by mixing the vinasse into the soil, so that small particles of the soil are condensed to improve the granular structure of the soil, and the permeability of fertilizer, water and air of plant roots and the extension of the roots are facilitated.
Biological agent: the function is as follows: the soil fertility is improved, organic and inorganic nutrients in soil are activated, the fertilizer efficiency is improved, the crop circulation is promoted, the long-acting absorption and utilization are realized, and the roots are increased, the seedlings are strengthened and the fruits are full; improving soil, improving soil aggregate structure, eliminating hardening, improving water and fertilizer retention capacity, and resisting drought, stress, cold and lodging; the soil conditioner can be used continuously, and can improve the micro-ecological environment of soil. Eliminate soil hardening, neutralize pH value and reduce heavy metal and salt and alkali toxicity in soil.
Plant growth regulator: a plant growth regulator is a kind of agricultural chemicals for regulating plant growth and development, including artificially synthesized compound and natural plant hormone extracted from organism. Its existence can influence and effectively regulate and control the growth and development of plants, including a series of plant life processes from cell growth, division, rooting, germination, flowering, fructification, maturation and abscission.
1. Selecting the dosage of the plant growth regulator: the results are shown in Table 1.
TABLE 1
Dosage of 0 portion of 11 to 17 parts by weight 18 to 25 portions of
Growth conditions Diseases and insect pests appear No diseases and insect pests appear Without obvious change
As is clear from Table 1, no plant growth regulator was used, and a disease and insect pest phenomenon occurred. When the using amount is too large, the growth condition of crops is not obviously improved, so that 11-17 parts of plant growth regulator is preferably selected in a comprehensive consideration.
The blended fertilizer and the commercial blended fertilizer are applied to a test field with the same soil by using the commercial blended fertilizer as a control group, and the application amount is the same. The growth of the plants was observed. The results are shown in Table 2.
Sample (I) Increase of yield Whether to topdressing Whether there is disease or pest Rate of reduction of application amount
Control group Is that Is that
The invention 34.5% Whether or not Whether or not 28%
As can be seen from table 2, the application of the blended fertilizer of the present invention can effectively increase the yield of plants, reduce the amount of fertilizer used, increase the utilization rate of fertilizer, prolong the fertilizer efficiency, effectively improve the soil characteristics, and prevent plant diseases and insect pests.
Compared with the prior art, the invention has the beneficial effects that: the invention has rich nutrition, contains major elements of nitrogen, phosphorus and potassium and trace elements of boron, magnesium and zinc which are required by the growth of plants, can meet the growth requirement of crops without adding other nutrient components for mixing, can promote the growth of root systems, improves the nutrient absorption rate of the crops, and increases the yield of the crops.
Detailed Description
The invention is further described with reference to specific examples.
Example 1
The bulk blended fertilizer comprises the following raw materials in parts by weight: 5 parts of diammonium hydrogen phosphate, 7 parts of potassium chloride, 20 parts of coated urea, 6 parts of magnesium sulfate, 1 part of zinc sulfate, 1 part of boric fertilizer, 10 parts of an anti-caking agent, 3 parts of a biological agent and 2 parts of a plant growth regulator.
The preparation method of the bulk blended fertilizer is characterized in that,
(1) weighing diammonium hydrogen phosphate, potassium chloride, magnesium sulfate, zinc sulfate and boric fertilizer according to a certain proportion, crushing and sieving for later use;
(2) mixing polyvinyl alcohol and polyurethane, adding the mixture into an organic solvent, continuously stirring to dissolve the mixture, heating the mixture, spraying a dispersion liquid for preparing a coating material on the surface of granular urea, and drying the coating material to prepare coated urea;
(3) mixing the products obtained in the steps, adding the plant growth regulator according to the proportion, mixing and stirring, drying, and putting into a granulator for granulation to obtain the plant growth regulator.
Example 2
The bulk blended fertilizer comprises the following raw materials in parts by weight: 25 parts of diammonium hydrogen phosphate, 35 parts of potassium chloride, 70 parts of coated urea, 20 parts of magnesium sulfate, 10 parts of zinc sulfate, 10 parts of boric fertilizer, 20 parts of an anti-caking agent, 17 parts of a biological agent and 14 parts of a plant growth regulator.
The preparation method of the bulk blended fertilizer is characterized in that,
(1) weighing diammonium hydrogen phosphate, potassium chloride, magnesium sulfate, zinc sulfate and boric fertilizer according to a certain proportion, crushing and sieving for later use;
(2) mixing polyvinyl alcohol and polyurethane, adding the mixture into an organic solvent, continuously stirring to dissolve the mixture, heating the mixture, spraying a dispersion liquid for preparing a coating material on the surface of granular urea, and drying the coating material to prepare coated urea;
(3) mixing the products obtained in the steps, adding the plant growth regulator according to the proportion, mixing and stirring, drying, and putting into a granulator for granulation to obtain the plant growth regulator.
Example 3
The bulk blended fertilizer comprises the following raw materials in parts by weight: 6 parts of diammonium hydrogen phosphate, 9 parts of potassium chloride, 30 parts of coated urea, 7 parts of magnesium sulfate, 2 parts of zinc sulfate, 2 parts of boron fertilizer, 11 parts of anti-caking agent, 4 parts of biological agent and 3 parts of plant growth regulator.
The preparation method of the bulk blended fertilizer is characterized in that,
(1) weighing diammonium hydrogen phosphate, potassium chloride, magnesium sulfate, zinc sulfate and boric fertilizer according to a certain proportion, crushing and sieving for later use;
(2) mixing polyvinyl alcohol and polyurethane, adding the mixture into an organic solvent, continuously stirring to dissolve the mixture, heating the mixture, spraying a dispersion liquid for preparing a coating material on the surface of granular urea, and drying the coating material to prepare coated urea;
(3) mixing the products obtained in the steps, adding the plant growth regulator according to the proportion, mixing and stirring, drying, and putting into a granulator for granulation to obtain the plant growth regulator.
Example 4
The bulk blended fertilizer comprises the following raw materials in parts by weight: 21 parts of diammonium hydrogen phosphate, 30 parts of potassium chloride, 60 parts of coated urea, 15 parts of magnesium sulfate, 9 parts of zinc sulfate, 8 parts of boron fertilizer, 19 parts of anti-caking agent, 16 parts of biological agent and 12 parts of plant growth regulator.
The preparation method of the bulk blended fertilizer is characterized in that,
(1) weighing diammonium hydrogen phosphate, potassium chloride, magnesium sulfate, zinc sulfate and boric fertilizer according to a certain proportion, crushing and sieving for later use;
(2) mixing polyvinyl alcohol and polyurethane, adding the mixture into an organic solvent, continuously stirring to dissolve the mixture, heating the mixture, spraying a dispersion liquid for preparing a coating material on the surface of granular urea, and drying the coating material to prepare coated urea;
(3) mixing the products obtained in the steps, adding the plant growth regulator according to the proportion, mixing and stirring, drying, and putting into a granulator for granulation to obtain the plant growth regulator.
Example 5
The bulk blended fertilizer comprises the following raw materials in parts by weight: 15 parts of diammonium hydrogen phosphate, 20 parts of potassium chloride, 39 parts of coated urea, 9 parts of magnesium sulfate, 6 parts of zinc sulfate, 5 parts of boron fertilizer, 15 parts of anti-caking agent, 11 parts of biological agent and 5 parts of plant growth regulator.
The preparation method of the bulk blended fertilizer is characterized in that,
(1) weighing diammonium hydrogen phosphate, potassium chloride, magnesium sulfate, zinc sulfate and boric fertilizer according to a certain proportion, crushing and sieving for later use;
(2) mixing polyvinyl alcohol and polyurethane, adding the mixture into an organic solvent, continuously stirring to dissolve the mixture, heating the mixture, spraying a dispersion liquid for preparing a coating material on the surface of granular urea, and drying the coating material to prepare coated urea;
(3) mixing the products obtained in the steps, adding the plant growth regulator according to the proportion, mixing and stirring, drying, and putting into a granulator for granulation to obtain the plant growth regulator.
The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The bulk blending fertilizer is characterized by comprising the following raw materials in parts by weight: 5-25 parts of diammonium hydrogen phosphate, 7-35 parts of potassium chloride, 20-70 parts of coated urea, 6-20 parts of magnesium sulfate, 1-10 parts of zinc sulfate, 1-10 parts of boron fertilizer, 10-20 parts of anti-caking agent, 3-17 parts of biological agent and 2-14 parts of plant growth regulator.
2. The bulk blend fertilizer of claim 1, wherein the bulk blend fertilizer comprises the following raw materials in parts by weight: 6-21 parts of diammonium hydrogen phosphate, 9-30 parts of potassium chloride, 30-60 parts of coated urea, 7-15 parts of magnesium sulfate, 2-9 parts of zinc sulfate, 2-8 parts of boron fertilizer, 11-19 parts of anti-caking agent, 4-16 parts of biological agent and 3-12 parts of plant growth regulator.
3. The bulk fertilizer of claim 1, wherein the biological agent is one or more of actinomycetes, azotobacteria, silicate bacteria, or bacillus subtilis.
4. The blended fertilizer of claim 1, wherein the plant growth regulator is one or more of diethyl aminoethyl hexanoate, forchlorfenuron, dracaena, or sodium salt of naphthylacetic acid.
5. The bulk fertilizer of claim 1, wherein said anticaking agent is an inorganic powder or surfactant; the inorganic powder is one or more than two of kaolin, talcum powder, zeolite powder or bentonite; the surfactant is one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, sodium stearate and calcium stearate.
6. The method of producing a bulk blend fertilizer of any one of claims 1 to 5,
(1) weighing diammonium hydrogen phosphate, potassium chloride, magnesium sulfate, zinc sulfate and boric fertilizer according to a certain proportion, crushing and sieving for later use;
(2) mixing polyvinyl alcohol and polyurethane, adding the mixture into an organic solvent, continuously stirring to dissolve the mixture, heating the mixture, spraying a dispersion liquid for preparing a coating material on the surface of granular urea, and drying the coating material to prepare coated urea;
(3) mixing the products obtained in the steps, adding the plant growth regulator according to the proportion, mixing and stirring, drying, and putting into a granulator for granulation to obtain the plant growth regulator.
CN202110732623.8A 2021-06-30 2021-06-30 Bulk blend fertilizer Withdrawn CN113480357A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114133283A (en) * 2021-11-23 2022-03-04 湖南特沃斯生态科技股份有限公司 Fertilizer for cotton
CN114644536A (en) * 2022-04-21 2022-06-21 辽宁万盈农业科技有限公司 Novel corn blending fertilizer
CN114751794A (en) * 2022-03-08 2022-07-15 山西农业大学园艺学院 Efficient fruit and vegetable blended compound fertilizer and preparation method thereof
CN116135822A (en) * 2021-11-18 2023-05-19 南京峰亭复合肥有限公司 Mixed fertilizer

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WO2014101270A1 (en) * 2012-12-26 2014-07-03 施可丰化工股份有限公司 Method for preparing slow-release long-acting chlorine-based nitrogen potassium compound fertilizer
CN111662121A (en) * 2020-07-01 2020-09-15 嘉施利(铁岭)化肥有限公司 Slow-release type bulk blending fertilizer

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2014101270A1 (en) * 2012-12-26 2014-07-03 施可丰化工股份有限公司 Method for preparing slow-release long-acting chlorine-based nitrogen potassium compound fertilizer
CN111662121A (en) * 2020-07-01 2020-09-15 嘉施利(铁岭)化肥有限公司 Slow-release type bulk blending fertilizer

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Title
万连步等: "一种生物有机无机掺混肥料的生产与应用", 《磷肥与复肥》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116135822A (en) * 2021-11-18 2023-05-19 南京峰亭复合肥有限公司 Mixed fertilizer
CN114133283A (en) * 2021-11-23 2022-03-04 湖南特沃斯生态科技股份有限公司 Fertilizer for cotton
CN114751794A (en) * 2022-03-08 2022-07-15 山西农业大学园艺学院 Efficient fruit and vegetable blended compound fertilizer and preparation method thereof
CN114644536A (en) * 2022-04-21 2022-06-21 辽宁万盈农业科技有限公司 Novel corn blending fertilizer

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