CN110963860A - Rod-shaped selenium-rich fertilizer and preparation method thereof - Google Patents
Rod-shaped selenium-rich fertilizer and preparation method thereof Download PDFInfo
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- CN110963860A CN110963860A CN201911385034.6A CN201911385034A CN110963860A CN 110963860 A CN110963860 A CN 110963860A CN 201911385034 A CN201911385034 A CN 201911385034A CN 110963860 A CN110963860 A CN 110963860A
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- C05—FERTILISERS; MANUFACTURE THEREOF
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Abstract
The invention discloses a rod-shaped selenium-rich fertilizer, which is rod-shaped, has the total length of 10-100 cm and the diameter of 1-10 cm, and is provided with cylindrical peat soil transition sections of 1-10 cm at two ends. The rod-shaped selenium-rich fertilizer comprises a selenium source and also comprises one or a combination of more of a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, a microbial agent and fulvic acid in any proportion. The invention also provides a preparation method of the rod-shaped selenium-rich fertilizer. The rod-shaped selenium-rich fertilizer has better stability, is not easy to volatilize and damp, and is convenient to store; the addition of the functional element selenium is beneficial to improving the nutritive value of agricultural products; compared with common selenium-enriched food (obtained by food additives), the biological selenium nutrition-enriched agricultural product has the advantages of greenness, health, safety and the like.
Description
Technical Field
The invention discloses a rod-shaped selenium-rich fertilizer and a preparation method thereof, belonging to the field of fertilizers.
Background
In recent years, the problem of insufficient intake of trace element selenium has been emphasized by more and more people. Selenium is a mineral element necessary for human bodies, and the lack of selenium can cause the reduction of human immunity and serious patients can cause heart failure. The proper supplement of selenium element in human body can stimulate the formation of immunoglobulin in vivo, improve immunity and reduce the incidence of related diseases.
By carrying out biological selenium enrichment strengthening on crops, the nutritional value and the medicinal value of the crops can be greatly improved, and the method is a research with wide prospect. Compared with common selenium-enriched food (obtained by food additives), the biological selenium nutrition-enriched agricultural product has the characteristics of greenness, health, safety and the like.
At present, common selenium fertilizers in the market are in a powder, granular or liquid form, and the selenium fertilizers have the defects of poor stability, volatility, moisture resistance, difficulty in storage and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rod-shaped selenium-rich fertilizer to overcome the defects of poor stability, volatility, moisture resistance, difficult storage and the like of the conventional selenium fertilizer.
In order to solve the technical problem, the invention provides a rod-shaped selenium-rich fertilizer, which is rod-shaped, has the total length of 10-100 cm and the diameter of 1-10 cm, and is provided with cylindrical peat soil transition sections with the length of 1-10 cm at two ends. The rod-shaped selenium-rich fertilizer comprises a selenium source and also comprises one or a combination of more of a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, a microbial agent and fulvic acid in any proportion.
Preferably, the rod-shaped selenium-rich fertilizer is a rod-shaped fertilizer with uniform cross section, which is formed by pressing a plurality of components by a press machine.
Preferably, the selenium source of the rod-shaped selenium-rich fertilizer is at least one of selenite, selenate and selenium-containing mineral powder in terms of selenium; preferably, the selenium-containing mineral powder is produced by Suzhou selenium grain science and technology limited, and the product model is XGP 1603A.
Preferably, in the rod-shaped selenium-rich fertilizer, the nitrogen fertilizer is any one or the combination of at least two of urea, ammonium chloride and ammonium bicarbonate, and the mass content of nitrogen element is 50-55%; preferably, the phosphate fertilizer is calcium phosphate and/or calcium superphosphate, and the mass content of the phosphorus element is 45-50%; preferably, the potash fertilizer is potassium chloride and/or plant ash, and the content of potassium element is 40-50%; preferably, the microbial agent is one or a combination of at least two of yeast, actinomycetes and bacillus subtilis.
On the other hand, the invention discloses a preparation method of the rod-shaped selenium-rich fertilizer, which comprises the following steps:
a) mixing the microbial agent, the selenium source and the fulvic acid, and fully stirring and uniformly mixing;
b) hermetically fermenting the mixture at 40-45 ℃ for 15-18 days, and carrying out aeration stirring once every 24 hours in the fermentation process, wherein the aeration time is 1-2 hours;
c) after fermentation, uniformly mixing the fermented product with nitrogen, phosphorus and potassium fertilizers, drying the mixture, and then compressing the dried mixture by using a press machine to prepare a rod shape;
d) and (3) respectively bonding and pressing the two ends of the rod-shaped fertilizer prepared in the previous step to form 1-10 cm of cylindrical peat soil.
The invention has the beneficial effects that:
1. the rod-shaped selenium-rich fertilizer prepared by the invention not only meets the basic requirements of crops on nitrogen, phosphorus and potassium in the growth and development process, but also increases the content of functional element selenium in the crops, and effectively improves the edible value, economic value and nutritional value of the crops.
2. The peat soil can be used as a good fertilizer and a carrier, can also play a role in soil loosening and ventilation, and is beneficial to the release of fertilizer components. The microbial agent and the fulvic acid are beneficial to converting inorganic selenium in the selenium source into organic selenium which can be directly absorbed and utilized by plants, and the utilization rate of the fertilizer is greatly improved. In a word, the raw materials used in the invention are green and environment-friendly, the utilization rate is high, and the soil fertility can be effectively improved, so that the accurate reinforcement of agricultural products is realized.
3. Compared with the traditional selenium fertilizer, the rod-shaped selenium-rich fertilizer has better stability, is not easy to volatilize and damp, and is convenient to store.
4. The rod-shaped selenium-rich fertilizer is particularly suitable for cultivating selenium-rich fruit trees such as apples, pears, oranges and the like, is also suitable for cultivating selenium-rich Chinese yams, and can obviously improve the yield and the selenium content of crops.
Drawings
FIG. 1 is a schematic structural diagram of a rod-shaped selenium-rich fertilizer of the present invention;
wherein: 1. a rod-shaped selenium-rich fertilizer main body; 2. a peat soil transition section.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Example 1
A rod-shaped selenium-rich fertilizer is rod-shaped, the total length of the rod-shaped selenium-rich fertilizer is 10cm, the diameter of the rod-shaped selenium-rich fertilizer is 1cm, and cylindrical peat soil transition sections of 1cm are arranged at two ends of the rod-shaped selenium-rich fertilizer. The rod-shaped selenium-rich fertilizer comprises a selenium source, a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, a microbial agent and fulvic acid.
The rod-shaped fertilizer is prepared by the following steps:
a) mixing the microbial agent, the selenium source and the fulvic acid, and uniformly stirring;
b) hermetically fermenting the mixture at 40 ℃ for 15 days, and performing aeration stirring every 24 hours in the fermentation process, wherein the aeration time is 1 hour;
c) after fermentation, uniformly mixing the fermented product with nitrogen, phosphorus and potassium fertilizers, drying the mixture, and then compressing the dried mixture by using a press machine to prepare a rod shape;
d) two ends of the prepared rod-shaped fertilizer are respectively bonded and pressed with 1cm cylindrical peat soil.
Two experimental areas with the same size are arranged in an apple tree orchard, the rod-shaped selenium-rich fertilizer is vertically applied to the first experimental area near the root of an apple tree, and no fertilizer is applied to the second experimental area. And (5) collecting the fruits when the apples are ripe, and detecting the yield and the selenium content of the fruits.
The result shows that the selenium content of the group without fertilization is 0.002mg/kg, and the yield is 3434 kg/mu;
the selenium content of the fertilization group is 0.015mg/kg, and the yield is 4376 kg/mu.
Example 2
A rod-shaped selenium-rich fertilizer is rod-shaped, the total length of the rod-shaped selenium-rich fertilizer is 100cm, the diameter of the rod-shaped selenium-rich fertilizer is 10cm, and cylindrical peat soil transition sections of 10cm are arranged at two ends of the rod-shaped selenium-rich fertilizer. The rod-shaped selenium-rich fertilizer comprises a selenium source, a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, a microbial agent and fulvic acid.
The rod-shaped fertilizer is prepared by the following steps:
a) mixing the microbial agent, the selenium source and the fulvic acid, and uniformly stirring;
b) hermetically fermenting the mixture at 43 ℃ for 16 days, and performing aeration stirring every 24 hours in the fermentation process, wherein the aeration time is 1.5 hours;
c) after fermentation, uniformly mixing the fermented product with nitrogen, phosphorus and potassium fertilizers, drying the mixture, and then compressing the dried mixture by using a press machine to prepare a rod shape;
d) two ends of the prepared rod-shaped fertilizer are respectively bonded and pressed with 10cm cylindrical peat soil.
Two experiment areas with the same size are arranged in a pear orchard, the first experiment area vertically applies the rod-shaped selenium-rich fertilizer near the root of a pear tree, and the second experiment area does not apply the fertilizer. And (5) collecting the fruits when the pears are ripe, and detecting the yield and the selenium content of the fruits.
The result shows that the selenium content of the group without fertilization is 0.007mg/kg, and the yield is 2692 kg/mu;
the selenium content of the fertilization group is 0.023mg/kg, and the yield is 3362 kg/mu.
Example 3
A rod-shaped selenium-rich fertilizer is rod-shaped, the total length of the rod-shaped selenium-rich fertilizer is 60cm, the diameter of the rod-shaped selenium-rich fertilizer is 7cm, and cylindrical peat soil transition sections of 6cm are arranged at two ends of the rod-shaped selenium-rich fertilizer. The rod-shaped selenium-rich fertilizer comprises a selenium source, a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, a microbial agent and fulvic acid.
The rod-shaped fertilizer is prepared by the following steps:
a) mixing the microbial agent, the selenium source and the fulvic acid, and uniformly stirring;
b) hermetically fermenting the mixture at 45 ℃ for 17 days, and performing aeration stirring every 24 hours in the fermentation process, wherein the aeration time is 1.5 hours;
c) after fermentation, uniformly mixing the fermented product with nitrogen, phosphorus and potassium fertilizers, drying the mixture, and then compressing the dried mixture by using a press machine to prepare a rod shape;
d) two ends of the prepared rod-shaped fertilizer are respectively bonded and pressed with 6cm of cylindrical peat soil.
Two experiment areas with the same size are arranged in a peach orchard, the first experiment area is vertically applied with the rod-shaped selenium-rich fertilizer near the root of the peach, and the second experiment area is not applied with the fertilizer. And (5) collecting fruits when the peaches are ripe, and detecting the yield and the selenium content of the peaches.
The result shows that the selenium content of the group without fertilization is 0.009mg/kg, and the yield is 4432 kg/mu;
the selenium content of the fertilization group is 0.045mg/kg, and the yield is 5661 kg/mu.
Example 4
A rod-shaped selenium-rich fertilizer is rod-shaped, the total length of the rod-shaped selenium-rich fertilizer is 40cm, the diameter of the rod-shaped selenium-rich fertilizer is 5cm, and cylindrical peat soil transition sections of 3cm are arranged at two ends of the rod-shaped selenium-rich fertilizer. The rod-shaped selenium-rich fertilizer comprises a selenium source, a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, a microbial agent and fulvic acid.
The rod-shaped fertilizer is prepared by the following steps:
a) mixing the microbial agent, the selenium source and the fulvic acid, and uniformly stirring;
b) hermetically fermenting the mixture at 45 ℃ for 18 days, and performing aeration stirring every 24 hours in the fermentation process, wherein the aeration time is 1.5 hours;
c) after fermentation, uniformly mixing the fermented product with nitrogen, phosphorus and potassium fertilizers, drying the mixture, and then compressing the dried mixture by using a press machine to prepare a rod shape;
d) two ends of the prepared rod-shaped fertilizer are respectively bonded and pressed with cylindrical peat soil of 3 cm.
Two experimental areas with the same size are arranged in an orange orchard, the first experimental area is vertically applied with the rod-shaped selenium-rich fertilizer near the root of an orange tree, and the second experimental area is not applied with the fertilizer. And (5) collecting fruits when the oranges are ripe, and detecting the yield and the selenium content of the fruits.
The result shows that the selenium content of the group without fertilization is 0.001mg/kg, and the yield is 4318 kg/mu;
the selenium content of the fertilization group is 0.011mg/kg, and the yield is 5126 kg/mu.
Example 5
A rod-shaped selenium-rich fertilizer is rod-shaped, the total length of the rod-shaped selenium-rich fertilizer is 55cm, the diameter of the rod-shaped selenium-rich fertilizer is 6cm, and cylindrical peat soil transition sections of 5cm are arranged at two ends of the rod-shaped selenium-rich fertilizer. The rod-shaped selenium-rich fertilizer comprises a selenium source, a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, a microbial agent and fulvic acid.
The rod-shaped fertilizer is prepared by the following steps:
a) mixing the microbial agent, the selenium source and the fulvic acid, and uniformly stirring;
b) hermetically fermenting the mixture at 43 ℃ for 17 days, and performing aeration stirring every 24 hours in the fermentation process, wherein the aeration time is 2 hours;
c) after fermentation, uniformly mixing the fermented product with nitrogen, phosphorus and potassium fertilizers, drying the mixture, and then compressing the dried mixture by using a press machine to prepare a rod shape;
d) two ends of the prepared rod-shaped fertilizer are respectively bonded and pressed with 5cm of cylindrical peat soil.
Two experiment areas with the same size are arranged in an orange garden, the rod-shaped selenium-rich fertilizer is vertically applied to the first experiment area near the root of a plant, and the fertilizer is not applied to the second experiment area. And collecting the fruits when the oranges are ripe, and detecting the yield and the selenium content of the fruits.
The result shows that the selenium content of the group without fertilization is 0.003mg/kg, and the yield is 6357 kg/mu;
the selenium content of the fertilization group is 0.014mg/kg, and the yield is 7431 kg/mu.
Example 6
A rod-shaped selenium-rich fertilizer is rod-shaped, the total length of the rod-shaped selenium-rich fertilizer is 80cm, the diameter of the rod-shaped selenium-rich fertilizer is 8cm, and cylindrical peat soil transition sections of 6cm are arranged at two ends of the rod-shaped selenium-rich fertilizer. The rod-shaped selenium-rich fertilizer comprises a selenium source, a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, a microbial agent and fulvic acid.
The rod-shaped fertilizer is prepared by the following steps:
a) mixing the microbial agent, the selenium source and the fulvic acid, and uniformly stirring;
b) hermetically fermenting the mixture at 43 ℃ for 17 days, and performing aeration stirring every 24 hours in the fermentation process, wherein the aeration time is 1.5 hours;
c) after fermentation, uniformly mixing the fermented product with nitrogen, phosphorus and potassium fertilizers, drying the mixture, and then compressing the dried mixture by using a press machine to prepare a rod shape;
d) two ends of the prepared rod-shaped fertilizer are respectively bonded and pressed with 6cm of cylindrical peat soil.
Two experimental areas with the same size are arranged in a Chinese yam planting area, the rod-shaped selenium-rich fertilizer is transversely applied to the first experimental area near the root of the Chinese yam, and the fertilizer is not applied to the second experimental area. And (5) collecting the fruits when the Chinese yams are ripe, and detecting the yield and the selenium content of the fruits.
The result shows that the selenium content of the group without fertilization is 0.042mg/kg, and the yield is 3312 kg/mu;
the selenium content of the fertilization group is 0.25mg/kg, and the yield is 3961 kg/mu.
From the above examples it can be seen that: the rod-shaped selenium-rich fertilizer prepared by the invention has better stability, is not easy to volatilize and damp and is convenient to store. Compared with the control group, the fertilizer application group has the advantages that the crop yield and the selenium content are improved.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. A rod-shaped selenium-rich fertilizer is characterized in that the rod-shaped selenium-rich fertilizer is rod-shaped, the total length is 10-100 cm, the diameter is 1-10 cm, and cylindrical peat soil transition sections of 1-10 cm are arranged at two ends of a rod body; the rod-shaped selenium-rich fertilizer comprises a selenium source and also comprises one or a combination of more of a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, a microbial agent and fulvic acid in any proportion.
2. The rod-shaped selenium-enriched fertilizer as claimed in claim 1, wherein the selenium source is at least one of selenite, selenate and selenium-containing mineral powder in terms of selenium.
3. The rod-shaped selenium-rich fertilizer as claimed in claim 2, wherein the selenium-containing mineral powder is manufactured by Suzhou selenium grain science and technology limited, and the product model is XGP 1603A.
4. The rod-shaped selenium-rich fertilizer as claimed in claim 1, wherein the nitrogen fertilizer is any one or a combination of at least two of urea, ammonium chloride and ammonium bicarbonate, and the mass content of nitrogen element is 50-55%.
5. The rod-shaped selenium-rich fertilizer as claimed in claim 1, wherein the phosphate fertilizer is calcium phosphate and/or calcium superphosphate, and the mass content of phosphorus element is 45-50%.
6. The rod-shaped selenium-rich fertilizer as claimed in claim 1, wherein the potash fertilizer is potassium chloride and/or plant ash, and the mass content of potassium element is 40-50%.
7. The rod-shaped selenium-rich fertilizer according to claim 1, wherein the microbial agent is one or a combination of at least two of yeast, actinomycetes and bacillus subtilis.
8. The preparation method of the rod-shaped selenium-rich fertilizer according to any one of claims 1 to 7, characterized by comprising the following steps:
a) mixing the microbial agent, the selenium source and the fulvic acid, and uniformly stirring;
b) hermetically fermenting the mixture at 40-45 ℃ for 15-18 days, and carrying out aeration stirring once every 24 hours in the fermentation process, wherein the aeration time is 1-2 hours;
c) after fermentation, uniformly mixing the fermented product with nitrogen, phosphorus and potassium fertilizers, drying the mixture, and then compressing the dried mixture by using a press machine to prepare a rod shape;
d) and (3) respectively bonding and pressing 1-10 cm of cylindrical peat soil at two ends of the prepared rod-shaped fertilizer.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112470686A (en) * | 2020-11-25 | 2021-03-12 | 哈尔滨市农业科学院 | Straw returning selenium-supplementing organic fertilizer cylindrical column |
| CN112759453A (en) * | 2020-12-31 | 2021-05-07 | 苏州硒谷科技有限公司 | Special selenium-rich organic fertilizer for fruit trees and preparation method thereof |
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- 2019-12-28 CN CN201911385034.6A patent/CN110963860A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112470686A (en) * | 2020-11-25 | 2021-03-12 | 哈尔滨市农业科学院 | Straw returning selenium-supplementing organic fertilizer cylindrical column |
| CN112470686B (en) * | 2020-11-25 | 2021-11-02 | 哈尔滨市农业科学院 | Straw returning selenium-supplementing organic fertilizer cylindrical column |
| CN112759453A (en) * | 2020-12-31 | 2021-05-07 | 苏州硒谷科技有限公司 | Special selenium-rich organic fertilizer for fruit trees and preparation method thereof |
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