CN111675575A - Phosphate fertilizer synergist for promoting phosphorus movement, and preparation method and application method thereof - Google Patents
Phosphate fertilizer synergist for promoting phosphorus movement, and preparation method and application method thereof Download PDFInfo
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- CN111675575A CN111675575A CN202010671806.9A CN202010671806A CN111675575A CN 111675575 A CN111675575 A CN 111675575A CN 202010671806 A CN202010671806 A CN 202010671806A CN 111675575 A CN111675575 A CN 111675575A
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- phosphate fertilizer
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- phosphorus
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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
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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
- 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
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
- C09K17/18—Prepolymers; Macromolecular compounds
- C09K17/32—Prepolymers; Macromolecular compounds of natural origin, e.g. cellulosic materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Fertilizers (AREA)
Abstract
The invention belongs to the technical field of fertilizer synergists, and particularly relates to a phosphate fertilizer synergist for promoting phosphorus movement, a preparation method and an application method thereof, wherein the phosphate fertilizer synergist comprises the following components in parts by weight: 25-30 parts of industrial waste residue containing low-molecular organic acid salt, 20-25 parts of polyamino acid, 5-15 parts of chlorella polysaccharide, 15-20 parts of humic acid and 10-15 parts of polyacrylamide. The synergist provided by the invention is applied in cooperation with a phosphate fertilizer, namely, a poly-long-chain polymer and an organic acid small molecular fragment are taken as efficient nutrient transportation and activation carriers, and a soil conditioner is combined, so that phosphorus in soil can be activated, calcium salt and aluminum salt are prevented from being formed, the water solubility of phosphorus is maintained, the moving distance of phosphorus in soil is increased, and the utilization rate of phosphorus in the phosphate fertilizer is increased.
Description
Technical Field
The invention belongs to the technical field of fertilizer synergists, and particularly relates to a phosphate fertilizer synergist for promoting phosphorus movement, a preparation method and an application method thereof.
Background
Phosphorus is one of the essential nutrient elements for the growth and development of crops. Due to specific physicochemical properties of soil and chemical behaviors of phosphate, the soil has adsorption, fixation and precipitation effects on applied phosphorus and is converted into indissolvable minerals such as iron phosphate, aluminum, calcium and the like, so that fertilizer phosphorus is difficult to move in the soil, and the diffusion distance is usually short. Particularly in acid red soil, the fixation effect of the iron phosphate and the aluminum phosphate is very strong, and the diffusion distance of the fertilizer phosphorus is shorter. Leads to the enrichment of a large amount of phosphorus on the surface layer of the soil (1-2cm), can not reach the absorption range of the root system, and can not meet the requirement of crops on phosphorus. The reasonable regulation and control of the effectiveness and the mobility of the phosphorus are the requirements of agricultural production and ecological environment construction.
Disclosure of Invention
In order to solve the technical problems, the invention provides a phosphate fertilizer synergist for promoting phosphorus movement, a preparation method and an application method thereof, which are used for activating phosphorus applied in soil and promoting phosphorus movement.
The invention is realized in such a way, and provides a phosphate fertilizer synergist for promoting phosphorus movement, which comprises the following components in parts by weight: 25-30 parts of industrial waste residue containing low-molecular organic acid salt, 20-25 parts of polyamino acid, 5-15 parts of chlorella polysaccharide, 15-20 parts of humic acid and 10-15 parts of polyacrylamide.
Preferably, the composition comprises the following components in parts by weight: 27 parts of industrial waste residue containing low-molecular organic acid salt, 23 parts of polyamino acid, 15 parts of chlorella polysaccharide, 15 parts of humic acid and 13 parts of polyacrylamide.
More preferably, the low molecular organic acid salt is sodium calcium organic acid with less than or equal to 6C.
Further preferably, the low molecular organic acid salt comprises one or more of sodium formate, sodium acetate, sodium propionate, sodium butyrate, sodium caproate, calcium formate, calcium acetate, calcium propionate, calcium butyrate and calcium caproate.
Further preferably, the molecular weight of the poly-amino acid is 20 to 82 ten thousand units; the molecular weight of the polyacrylamide is 400-600 ten thousand units, and the polyacrylamide has positive charge.
The invention also provides a preparation method of the phosphate fertilizer synergist for promoting phosphorus movement, which comprises the following steps:
respectively pulverizing industrial waste residue containing low molecular organic acid salt, polyamino acid, chlorella polysaccharide, humic acid and polyacrylamide to 80-200 meshes, and mixing according to the above proportion.
The invention also provides an application method of the phosphate fertilizer synergist for promoting phosphorus movement, which comprises the following steps:
1) in a period suitable for applying the phosphate fertilizer, the phosphate fertilizer synergist for promoting phosphorus movement is mixed with the water-soluble phosphate fertilizer according to a certain proportion;
2) completely dissolving the phosphate fertilizer synergist and the phosphate fertilizer mixed fertilizer prepared in the step 1) by using water;
3) applying the dissolved synergist and the phosphate fertilizer into soil;
preferably, in the step 1), the synergist and the phosphate fertilizer are mixed according to the ratio of 1: 20-35, and in the step 3), applying 10-25kg of mixed fertilizer of the synergist and the phosphate fertilizer per mu of land.
Compared with the prior art, the invention has the advantages that:
1) the low-molecular organic acid sodium calcium salt and humic acid are added to activate the fixed phosphorus in the soil, improve the effective phosphorus content in the soil and reduce the contents of Fe-P and O-P;
2) the complexing reaction of the poly-amino acid and metal ions such as calcium, magnesium, zinc and the like in the soil is utilized, the fixation of the soil to the applied phosphate fertilizer is reduced, the effectiveness of the applied phosphorus is improved, the complexed metal ions are released again along with the decomposition of the poly-amino acid for the growth requirement of crops, and the movement of the phosphorus is promoted by using water as a carrier;
3) the polyamino acid has a large amount of hydrophilic carboxyl groups, so that the moisture around a fertilizing point can be effectively kept, and a good water and fertilizer environment for the rhizosphere of crops is constructed. The characteristics of water retention and soil structure improvement of polyacrylamide and chlorella polysaccharide are combined, the moving distance of the applied phosphorus in the soil is increased, the phosphorus is conveyed to the depth range of root growth, and meanwhile, the utilization efficiency of the phosphate fertilizer by crops is improved by stimulating the growth of the root;
4) the materials used in the synergist are all biodegradable materials, are environment-friendly and safe, and achieve the purpose of reducing the cost by improving the utilization rate of the fertilizer and reducing the application amount of the fertilizer;
5) industrial waste residue is selected to provide low molecular organic acid salt, so that waste utilization is realized.
Detailed Description
The following examples are presented to further illustrate embodiments of the present invention, and it should be understood that the embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
Examples 1,
A phosphate fertilizer synergist for promoting phosphorus movement comprises the following components in parts by weight: 27 parts of industrial waste residue containing low-molecular organic acid salt, 20 parts of polyamino acid, 15 parts of chlorella polysaccharide, 15 parts of humic acid and 13 parts of polyacrylamide.
The components are crushed to 100 meshes and mixed to obtain the phosphate fertilizer synergist for promoting phosphorus movement.
Examples 2,
A phosphate fertilizer synergist for promoting phosphorus movement comprises the following components in parts by weight: 28 parts of industrial waste residue containing low-molecular organic acid salt, 18 parts of polyamino acid, 14 parts of chlorella polysaccharide, 15 parts of humic acid and 15 parts of polyacrylamide.
The components are crushed into 120 meshes and mixed to obtain the phosphate fertilizer synergist for promoting phosphorus movement.
Examples 3,
A phosphate fertilizer synergist for promoting phosphorus movement comprises the following components in parts by weight: 30 parts of industrial waste residue containing low-molecular organic acid salt, 15 parts of polyamino acid, 15 parts of chlorella polysaccharide, 15 parts of humic acid and 15 parts of polyacrylamide.
The components are crushed to 150 meshes and mixed to obtain the phosphate fertilizer synergist for promoting phosphorus movement.
Application examples 1,
The fertilizer synergist prepared in the above example 1 was added to a diammonium phosphate fertilizer according to 5% of the weight of the fertilizer, and compared with a diammonium phosphate fertilizer without the synergist, the mobility of phosphorus in the water-soluble fertilizer in soil was studied. Adopting a soil column leaching test to simulate a soil column indoors: a PVC cylindrical tube with an inner diameter of 10cm and a height of 32 cm. Before loading soil, dry quartz sand with the thickness of 2cm is paved at the bottom of a cylinder, a layer of 200-mesh nylon net is respectively paved at a pipe orifice at the bottom and a contact surface of sand grains and the soil, a hole with the width of about 2cm is formed below the column pipe, and a plastic pipe is connected into a plastic barrel. Simulated soil columns were about 20cm thick (simulated root depth of nutrient uptake). After soil is filled into a soil column, diammonium phosphate, a complexing agent and the like are uniformly mixed and diluted by water and then applied to the soil, and then the soil is rinsed once every 7 days (230ml of distilled water, simulating rainfall) for 7 times. And (4) performing 2 treatments, repeating the treatment for 3 times, and measuring the inorganic phosphorus content of soil layers of 4cm, 8cm, 12 cm, 16 cm and 20cm in the leaching column and the total phosphorus content in the leaching solution. The test results are shown in tables 1 and 2, and the effective phosphorus content in each treated soil column shows a trend of decreasing with the increase of the soil layer depth. The phosphorus leaching mainly occurs in the soil layer with the surface layer of 0-4cm, and the phosphorus leaching is gradually reduced along with the increase of the depth of the soil layer. Compared with the treatment without the synergist, the diammonium phosphate treatment with the synergist increases the effective phosphorus content of 4-8cm in the soil by 20.6%, and reduces the inorganic phosphorus content of Fe-P, O-P and the like in the soil. The moving distance of the phosphorus in the soil is increased by 2-3 cm.
TABLE 1 vertical distribution of inorganic phosphorus content for each form of treatment
TABLE 2 phosphorus content for each form of treatment
Application examples 2,
The synergist prepared in the above example 2 was added to the fertilizer in an amount of 8% by weight of the fertilizer, and a comparative test was conducted in comparison with conventional fertilization, in which corn was used as a crop and applied as follows;
1) mixing the phosphate fertilizer synergist with the phosphate fertilizer for promoting phosphorus movement in a period suitable for applying the phosphate fertilizer;
2) completely dissolving the phosphate fertilizer synergist and the phosphate fertilizer mixed fertilizer prepared in the step 1) by using water;
3) and applying the dissolved synergist and the phosphate fertilizer into soil, wherein 25kg of mixed fertilizer of the synergist and the phosphate fertilizer is applied to each mu of land. (ii) a
Compared with a contrast, referring to tables 3 and 4, the fertilizer treatment of the invention has the advantages that the corn seedlings grow well in the early stage of fertilization, the seedlings are uniform and strong, the growth vigor is vigorous in the middle stage, the fertilizer is not removed in the later stage, the phosphorus utilization rate can reach 24.6 percent, and the phosphorus utilization rate is improved by 4.7 percent compared with a photographic ratio; the soil moisture is improved by 6-8%; the thousand kernel weight is increased by 10g, and the yield is increased by 13.4 percent compared with the conventional fertilization.
TABLE 3 maize yield, biological traits and yield constituents
TABLE 4 corn phosphate utilization Change
Claims (8)
1. The phosphate fertilizer synergist for promoting phosphorus movement is characterized by comprising the following components in parts by weight: 25-30 parts of industrial waste residue containing low-molecular organic acid salt, 20-25 parts of polyamino acid, 5-15 parts of chlorella polysaccharide, 15-20 parts of humic acid and 10-15 parts of polyacrylamide.
2. The phosphate fertilizer synergist for promoting phosphorus movement according to claim 1, comprising the following components in parts by weight: 27 parts of industrial waste residue containing low-molecular organic acid salt, 23 parts of polyamino acid, 15 parts of chlorella polysaccharide, 15 parts of humic acid and 13 parts of polyacrylamide.
3. The phosphate fertilizer synergist for promoting phosphorus movement according to claim 1 or 2, wherein said low molecular organic acid salt is sodium calcium organic acid with 6C or less.
4. The phosphate fertilizer synergist according to claim 3, wherein the low molecular organic acid salt comprises one or more of sodium formate, sodium acetate, sodium propionate, sodium butyrate, sodium caproate, calcium formate, calcium acetate, calcium propionate, calcium butyrate, and calcium hexanoate.
5. A phosphate fertilizer synergist according to claim 1 or 2 wherein said polyamino acid has a molecular weight of 20-82 ten thousand units; the molecular weight of the polyacrylamide is 400-600 ten thousand units, and the polyacrylamide has positive charge.
6. The process for preparing a phosphate fertilizer synergist for promoting phosphorus movement according to claim 1 or 2, comprising the steps of:
respectively pulverizing industrial waste residue containing low molecular organic acid salt, polyamino acid, chlorella polysaccharide, humic acid and polyacrylamide to 80-200 meshes, and mixing according to the above proportion.
7. The method of applying a phosphorus fertilizer synergist according to claim 1 or 2, comprising the steps of:
1) mixing a phosphate fertilizer synergist for promoting phosphorus movement according to claim 1 or 2 with an aqueous phosphate fertilizer in a certain ratio at a time suitable for application of the phosphate fertilizer;
2) completely dissolving the phosphate fertilizer synergist and the phosphate fertilizer mixed fertilizer prepared in the step 1) by using water;
3) and applying the dissolved synergist and the phosphate fertilizer into soil.
8. The method of applying a phosphate fertilizer synergist according to claim 7, wherein in step 1), the synergist is mixed with the phosphate fertilizer in a ratio of 1: 20-35, and in the step 3), applying 10-25kg of mixed fertilizer of the synergist and the phosphate fertilizer per mu of land.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010671806.9A CN111675575A (en) | 2020-07-14 | 2020-07-14 | Phosphate fertilizer synergist for promoting phosphorus movement, and preparation method and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010671806.9A CN111675575A (en) | 2020-07-14 | 2020-07-14 | Phosphate fertilizer synergist for promoting phosphorus movement, and preparation method and application method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112457113A (en) * | 2020-12-22 | 2021-03-09 | 吉林农业大学 | Synergist for efficient utilization of phosphate fertilizer and preparation method thereof |
| CN114031453A (en) * | 2021-12-24 | 2022-02-11 | 湖北富邦新材料有限公司 | Multifunctional synergist for improving utilization rate of phosphate fertilizer and application thereof |
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| CN108516888A (en) * | 2018-04-23 | 2018-09-11 | 中国科学院沈阳应用生态研究所 | A kind of ammonium polyphosphate Water soluble fertilizer and preparation method thereof suitable for the synergy of greenhouse booth vegetable-growing area |
| CN109293444A (en) * | 2018-12-05 | 2019-02-01 | 史丹利农业集团股份有限公司 | A kind of phosphorus element activator of calacareous soil and the preparation method and application thereof |
| CN109553479A (en) * | 2019-01-04 | 2019-04-02 | 北京联合大学 | A kind of phosphorus element fertilizer synergist and preparation method thereof |
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2020
- 2020-07-14 CN CN202010671806.9A patent/CN111675575A/en active Pending
Patent Citations (4)
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| CN108516888A (en) * | 2018-04-23 | 2018-09-11 | 中国科学院沈阳应用生态研究所 | A kind of ammonium polyphosphate Water soluble fertilizer and preparation method thereof suitable for the synergy of greenhouse booth vegetable-growing area |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112457113A (en) * | 2020-12-22 | 2021-03-09 | 吉林农业大学 | Synergist for efficient utilization of phosphate fertilizer and preparation method thereof |
| CN114031453A (en) * | 2021-12-24 | 2022-02-11 | 湖北富邦新材料有限公司 | Multifunctional synergist for improving utilization rate of phosphate fertilizer and application thereof |
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Application publication date: 20200918 |