CN115093283B

CN115093283B - Fertilizer for improving millet quality

Info

Publication number: CN115093283B
Application number: CN202210717790.XA
Authority: CN
Inventors: 解文艳; 周怀平; 杨振兴; 刘志平; 贾伟
Original assignee: College Of Resources And Environment Shanxi Agricultural University
Current assignee: College Of Resources And Environment Shanxi Agricultural University
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2023-05-30
Anticipated expiration: 2042-06-23
Also published as: CN115093283A

Abstract

The invention discloses a fertilizer for improving the quality of millet, and relates to the technical field of fertilizers. The raw materials comprise, by mass, 28-32 parts of urea, 24-28 parts of monopotassium phosphate, 8-12 parts of potassium sulfate, 5-7 parts of humic acid, 0.3-0.8 part of chelated microelements and 0.5-0.8 part of quality improver; the quality improver comprises radix Platycodi fibrous root, rhizoma Cyperi fibrous root, radix scrophulariae fibrous root and radix Puerariae skin. The invention provides a fertilizer for improving the quality of millet, which realizes the improvement of the quality of millet by compounding wastes generated in the pharmaceutical process of Chinese medicaments such as platycodon grandiflorum, nutgrass galingale rhizome, figwort root, kudzuvine root and the like with an inorganic fertilizer and an organic fertilizer. Compared with the millet without the quality improver, the millet planted by the fertilizer has the advantages that the amino acid content is increased, the linoleic acid content is increased, the total flavone and total polyphenol content are increased, and the quality of the millet is integrally improved.

Description

Fertilizer for improving millet quality

Technical Field

The invention relates to the technical field of fertilizers, in particular to a fertilizer for improving the quality of millet.

Background

Millet (Setaria) has long cultivation history, and has the characteristics of drought resistance, barren resistance, stress resistance, strong adaptability and the like. In recent years, under the impact of frequent drought, high-quality development of animal husbandry, green agricultural production and dominant consumption of healthy diet, the market demand of millet is continuously increased. People have a higher and higher attention to the quality of millet, and high-quality millet is in short supply. Therefore, the fertilizer for improving the quality of the millet is provided, so that the quality of the millet is improved as a whole, and the fertilizer has great significance in the field of agricultural planting.

Disclosure of Invention

Based on the above, the invention provides a fertilizer for improving the quality of millet, so as to improve the amino acid content, linoleic acid content, total flavone and total polyphenol content in the millet, and integrally improve the quality of the millet.

In order to achieve the above object, the present invention provides the following solutions:

according to one of the technical schemes, the fertilizer for improving the quality of millet comprises, by mass, 28-32 parts of urea, 24-28 parts of monopotassium phosphate, 8-12 parts of potassium sulfate, 5-7 parts of humic acid, 0.3-0.8 part of chelating trace elements and 0.5-0.8 part of quality improver;

the quality improver comprises radix Platycodi fibrous root, rhizoma Cyperi fibrous root, radix scrophulariae fibrous root and radix Puerariae skin.

Further, the organic matter content in the humic acid is more than or equal to 50% by mass fraction.

Further, the humic acid is potassium fulvate which is an ore source.

Further, the chelating microelements comprise EDTA chelated iron, EDTA chelated copper and EDTA chelated manganese.

Further, the mass ratio of EDTA chelated iron, EDTA chelated copper and EDTA chelated manganese in the chelated trace elements is 1:1:1.

Further, in the quality improving agent, the mass ratio of the platycodon root and the nutgrass galingale rhizome to the figwort root to the kudzu root bark is 1:1:0.5-1:2-3.

Further, the preparation method of the quality improver comprises the following steps:

cleaning and drying radix Platycodi fibrous root, rhizoma Cyperi fibrous root, radix scrophulariae fibrous root and radix Puerariae skin according to mass ratio, pulverizing, grinding to 140-200 mesh, and mixing uniformly to obtain the quality improver.

According to the second technical scheme, the preparation method of the fertilizer for improving the quality of the millet comprises the following steps of uniformly mixing raw materials in parts by weight, introducing the raw materials into a granulator for granulation, and drying the raw materials to obtain the fertilizer for improving the quality of the millet.

Further, the temperature of the drying is 35-45 ℃.

According to the third technical scheme, the fertilizer for improving the quality of the millet is applied to millet planting.

The invention discloses the following technical effects:

the invention provides a fertilizer for improving the quality of millet, which realizes the improvement of the quality of millet by compounding wastes generated in the pharmaceutical process of Chinese medicaments such as platycodon grandiflorum, nutgrass galingale rhizome, figwort root, kudzuvine root and the like with an inorganic fertilizer and an organic fertilizer. Compared with millet without quality improver (waste generated in the pharmaceutical process of Chinese medicinal platycodon grandiflorum, nutgrass galingale rhizome, figwort root, kudzuvine root and the like), the millet planted by applying the fertilizer has the advantages that the amino acid content is increased, the linoleic acid content is increased, the total flavone and total polyphenol content is increased, and the quality of the millet is integrally improved.

Detailed Description

Various exemplary embodiments of the invention will now be described in detail, which should not be considered as limiting the invention, but rather as more detailed descriptions of certain aspects, features and embodiments of the invention.

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In addition, for numerical ranges in this disclosure, it is understood that each intermediate value between the upper and lower limits of the ranges is also specifically disclosed. Every smaller range between any stated value or stated range, and any other stated value or intermediate value within the stated range, is also encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only preferred methods and materials are described herein, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention. All documents mentioned in this specification are incorporated by reference for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control.

It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the invention described herein without departing from the scope or spirit of the invention. Other embodiments will be apparent to those skilled in the art from consideration of the specification of the present invention. The specification and examples are exemplary only.

As used herein, the terms "comprising," "including," "having," "containing," and the like are intended to be inclusive and mean an inclusion, but not limited to.

The "parts" in the present invention are all parts by mass unless otherwise specified.

The invention provides a fertilizer for improving millet quality, which comprises, by mass, 28-32 parts of urea, 24-28 parts of monopotassium phosphate, 8-12 parts of potassium sulfate, 5-7 parts of humic acid, 0.3-0.8 part of chelated trace elements and 0.5-0.8 part of quality improver;

Preferably, the raw materials comprise, by mass, 30 parts of urea, 25 parts of monopotassium phosphate, 10 parts of potassium sulfate, 6 parts of humic acid, 0.5 part of chelating trace elements and 0.6 part of quality improver.

According to the invention, experiments on the technical schemes with different content of the quality improver between 0 and 1 part show that the quality of the millet is improved and then reduced with the increase of the use amount of the quality improver, and the quality of the millet is better when the use amount of the quality improver is 0.5 to 0.8 part.

Further, the organic matter content in the humic acid is more than or equal to 50%.

Further, the humic acid is potassium fulvate which is an ore source.

The mineral source potassium fulvate is a short carbon chain molecular structure substance extracted from lignite natural humic acid, and has high load and high physiological activity. The fertilizer has the functions of chelating macro-micro nutrients, preventing and controlling plant diseases and insect pests, releasing fertilizer, improving fertilizer and pesticide utilization, improving nutrient absorption, promoting plant germination and growth, accelerating precipitation and decomposition and improving soil structure.

The chelated microelements are not easy to fix in soil, are easy to dissolve in water, are not dissociated, and can be well absorbed and utilized by plants. Is mixed with other solid or liquid fertilizers and does not react chemically, and the fertilizer efficiency of any fertilizer is not reduced.

The radix Platycodi fibrous root, rhizoma Cyperi fibrous root, radix scrophulariae fibrous root and radix Puerariae skin are waste materials generated in the pharmaceutical process of radix Platycodi, rhizoma Cyperi, radix scrophulariae and radix Puerariae. The inventor tries to compound the wastes with common inorganic and organic fertilizers, and discovers that the wastes can play a role in improving the quality of millet under the limit of reasonable dosage.

The invention also provides a preparation method of the fertilizer for improving the quality of the millet, which comprises the following steps of uniformly mixing raw materials in parts by weight, introducing the raw materials into a granulator for granulation, and drying the raw materials to obtain the fertilizer for improving the quality of the millet.

Further, the temperature of the drying is 35-45 ℃.

The invention also provides application of the fertilizer for improving the quality of millet in millet planting.

The potassium humate used in the embodiment of the invention is mineral source potassium fulvate, and is purchased from Shanxi Jinfeng biotechnology Co Ltd, wherein the organic matter content is more than or equal to 70%, the beneficial living bacteria is more than or equal to 100 hundred million/g, and the potassium chloride is more than or equal to 12%.

The chelating trace elements used in the examples of the present invention were purchased from henry bezier biotechnology limited.

The raw materials used in the examples of the present invention were obtained from the purchase route unless otherwise specified.

The preparation method of the quality improver comprises the following steps: cleaning radix Platycodi fibrous root, rhizoma Cyperi fibrous root, radix scrophulariae fibrous root and radix Puerariae skin, respectively, and oven drying; the preparation method comprises the steps of respectively weighing the root of balloonflower, the root of nutgrass galingale rhizome, the root of figwort and the root of kudzu vine according to the mass ratio of 1:1:0.5-1:2-3, grinding the root of balloonflower, the root of nutgrass galingale rhizome, the root of figwort and the root of kudzu vine, grinding the ground materials to 140-200 meshes, and uniformly mixing the ground materials to obtain the quality improver. The preparation method of the quality improver in the specific embodiment comprises the following steps: cleaning radix Platycodi fibrous root, rhizoma Cyperi fibrous root, radix scrophulariae fibrous root and radix Puerariae skin, respectively, and oven drying; the preparation method comprises the steps of respectively weighing the root of balloonflower, the root of nutgrass galingale rhizome, the root of figwort and the root of kudzu vine according to the mass ratio of 1:1:1:2, grinding the root of balloonflower, the root of nutgrass galingale rhizome, the root of figwort and the root of kudzu vine, grinding the ground materials to 200 meshes, and uniformly mixing the ground materials to obtain the quality improver.

Example 1

Weighing the following raw materials in parts by mass: 30 parts of urea, 25 parts of monopotassium phosphate, 10 parts of potassium sulfate, 6 parts of humic acid, 0.5 part of chelating trace elements and 0.6 part of quality improver;

the raw materials are evenly mixed and then are introduced into a granulator for granulation, and then are dried at 40 ℃ to obtain the fertilizer for improving the quality of millet

Example 2

The only difference from example 1 is that the raw material composition is: 28 parts of urea, 28 parts of monopotassium phosphate, 12 parts of potassium sulfate, 7 parts of humic acid, 0.8 part of chelating trace elements and 0.5 part of quality improver.

Example 3

The only difference from example 1 is that the raw material composition is: 32 parts of urea, 24 parts of monopotassium phosphate, 8 parts of potassium sulfate, 5 parts of humic acid, 0.3 part of chelating trace elements and 0.8 part of quality improver.

Example 4

The only difference from example 1 is that the raw material composition is: 31 parts of urea, 26 parts of monopotassium phosphate, 11 parts of potassium sulfate, 7 parts of humic acid, 0.7 part of chelating trace elements and 0.7 part of quality improver.

Comparative example 1

The only difference from example 1 is that the addition of the quality improver was omitted.

The effect of the fertilizers prepared in examples 1 to 4 and comparative example 1 was verified as follows:

test site: agricultural rural area goddess agricultural environment and crop high-utility water observation experiment station (37 degree 45'N,113 degree 54' E, altitude 1100 m)

Test crop: jingu 21

Planting area: the test field of length 25m and width 15 m was randomly divided into 5 treatment areas, each treatment area was respectively and correspondingly applied with the fertilizer of examples 1-4 and comparative example 1, and the fertilization mode and daily management were treated according to the local habit.

The amino acid content of the Gu Zizi grain after harvesting was measured, and the results are shown in table 1.

Table 1 (Unit mg/g)

As can be seen from Table 1, the amounts of essential amino acids, semi-essential amino acids and non-essential amino acids in the millet to which the fertilizers prepared in examples 1 to 4 of the present invention were applied were significantly improved compared to that to which the fertilizers of comparative example 1 were applied without the addition of the quality improver.

The fatty acid content of the Gu Zizi harvested pellets was measured and the results are shown in Table 2.

Table 2 (unit%)

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As can be seen from table 2, the linoleic acid content was significantly improved in the millet to which the fertilizers prepared in examples 1 to 4 of the present invention were applied, compared to the fertilizer to which the quality improver was not added in comparative example 1.

The total polyphenol and total flavone contents in the Gu Zizi grains after harvesting were measured, and the results are shown in table 3.

Table 3 (Unit mg/g)

	Example 1	Example 2	Example 3	Example 4	Comparative example 1
						Total polyphenols	1.36	1.25	1.32	1.28	0.91
Total flavone	1.01	0.94	0.96	0.91	0.81

As can be seen from Table 3, the total polyphenol and total flavone content were significantly improved in the millet to which the fertilizers prepared in examples 1 to 4 of the present invention were applied, compared with the fertilizer to which the quality improver was not added in comparative example 1.

The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. The fertilizer for improving the quality of millet is characterized by comprising, by mass, 28-32 parts of urea, 24-28 parts of monopotassium phosphate, 8-12 parts of potassium sulfate, 5-7 parts of humic acid, 0.3-0.8 part of chelated trace elements and 0.5-0.8 part of quality improver;

the quality improver consists of platycodon root, nutgrass galingale rhizome root, figwort root and kudzu vine root bark;

the quality improver comprises radix Platycodi fibrous root, rhizoma Cyperi fibrous root, radix scrophulariae fibrous root and radix Puerariae skin at a mass ratio of 1:1:0.5-1:2-3;

the preparation method of the quality improver comprises the following steps:

cleaning and drying platycodon root, nutgrass galingale rhizome fibrous root, figwort fibrous root and kudzuvine root bark respectively according to the mass ratio, crushing, grinding to 140-200 meshes, and uniformly mixing to obtain the quality improver;

the temperature of the drying is 35-45 ℃.

2. The fertilizer for improving millet quality of claim 1, wherein the organic matter content in the humic acid is not less than 50% by mass fraction.

3. A fertilizer for improving millet quality according to claim 1, wherein the humic acid is potassium humate.

4. A fertilizer for improving millet quality according to claim 1, wherein said chelating trace elements include EDTA chelated iron, EDTA chelated copper, and EDTA chelated manganese.

5. The fertilizer for improving millet quality of claim 4, wherein the mass ratio of EDTA-chelated iron, EDTA-chelated copper, and EDTA-chelated manganese in the chelated trace elements is 1:1:1.

6. A method for preparing a fertilizer for improving the quality of millet according to claim 1, which is characterized by comprising the following steps of uniformly mixing raw materials in parts by weight, introducing the raw materials into a granulator for granulation, and drying the raw materials to obtain the fertilizer for improving the quality of millet.

7. Use of a fertilizer for improving the quality of millet as claimed in claim 1 in the planting of millet.