CN113149767A - Biochar-based organic fertilizer and preparation method thereof - Google Patents
Biochar-based organic fertilizer and preparation method thereof Download PDFInfo
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- CN113149767A CN113149767A CN202110527001.1A CN202110527001A CN113149767A CN 113149767 A CN113149767 A CN 113149767A CN 202110527001 A CN202110527001 A CN 202110527001A CN 113149767 A CN113149767 A CN 113149767A
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- biochar
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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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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
-
- 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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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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
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/14—Tablets, spikes, rods, blocks or balls
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to the field of organic fertilizers, in particular to a biochar-based organic fertilizer and a preparation method thereof, wherein the biochar-based organic fertilizer is prepared from the following raw materials in parts by weight: 25-35 parts of charcoal, 2-8 parts of rhamnolipid, 5-15 parts of shell powder, 1-3 parts of triacontanol, 0.5-1 part of high water absorption polymer resin fiber and 5-10 parts of carbohydrase. The biochar organic fertilizer obtained by the invention has rich nutrition, can improve the organic carbon content of soil, can obviously improve the water and fertilizer retention performance of the soil, and realizes the release of nutrients, thereby improving the nutrient utilization rate and being environment-friendly; after the obtained charcoal is applied, the yield increase effect is obvious, and compared with a blank control group, the yield of the charcoal is respectively improved by about 21.7 percent and about 23.1 percent by taking corn and wheat as examples.
Description
Technical Field
The invention relates to the field of organic fertilizers, in particular to a biochar-based organic fertilizer and a preparation method thereof.
Background
In agricultural production, the traditional chemical fertilizer has more defects, and not only pollutes the environment in the use process, but also has low nutrient utilization rate.
China is a big agricultural country and has abundant plant biomass resources, and the total amount of biomass resources such as crop straws and the like generated per year is more than 10 hundred million tons. Except that a small part of straws produced in agricultural production are effectively utilized by returning to fields, ammoniation, ensiling, fermentation, edible fungus culture medium and the like, most straws are burnt, so that not only is the environment polluted, but also the resource waste is caused. Meanwhile, along with the acceleration of economic development and urbanization process, landscaping develops rapidly in urban construction, and the treatment of a large amount of garden waste generated therewith is undoubtedly a new problem.
Disclosure of Invention
In order to realize the efficient utilization of agricultural wastes and garden wastes, the invention provides the biochar-based organic fertilizer and the preparation method thereof, the obtained biochar organic fertilizer has rich pores, can obviously improve the water and fertilizer retention performance of soil, realizes the release of nutrients, improves the nutrient utilization rate and is environment-friendly.
In order to achieve the purpose, the invention adopts the technical scheme that:
the biochar-based organic fertilizer is prepared from the following raw materials in parts by weight:
25-35 parts of charcoal, 2-8 parts of rhamnolipid, 5-15 parts of shell powder, 1-3 parts of triacontanol, 0.5-1 part of high water absorption polymer resin fiber and 5-10 parts of carbohydrase.
Preferably, the feed is prepared from the following raw materials in parts by weight:
25 parts of biochar, 2 parts of rhamnolipid, 5 parts of shell powder, 1 part of triacontanol, 0.5 part of high-water-absorptivity polymer resin fiber and 5 parts of carbohydrase.
Preferably, the feed is prepared from the following raw materials in parts by weight:
35 parts of charcoal, 8 parts of rhamnolipid, 15 parts of shell powder, 3 parts of triacontanol, 1 part of high water absorption polymer resin fiber and 10 parts of carbohydrase.
Preferably, the feed is prepared from the following raw materials in parts by weight:
30 parts of biochar, 5 parts of rhamnolipid, 10 parts of shell powder, 2 parts of triacontanol, 0.75 part of high-water-absorption polymer resin fiber and 7.5 parts of carbohydrase.
Preferably, the water content of the super absorbent polymer resin fiber is about 10%.
Further, the biochar is formed by low-temperature carbonization of garden waste and/or agricultural waste.
The invention also provides a preparation method of the biochar-based organic fertilizer, which comprises the following steps:
s1, weighing the components in parts by weight;
s2, placing the weighed high water absorption polymer resin fiber into water, and making the fiber fully absorb water and expand into solid hydrogel with corresponding shape;
s3, mixing the solid hydrogel with charcoal, rhamnolipid, triacontanol, shell powder and carbohydrase, stirring, drying until the water content is about 10%, and tabletting to obtain the tablet granule.
The invention has the following beneficial effects:
1) the obtained biochar organic fertilizer has rich pores, and the application of the biochar organic fertilizer can obviously improve the soil ventilation;
2) the obtained biochar organic fertilizer has rich nutrition, can improve the organic carbon content of soil, can obviously improve the water and fertilizer retention performance of the soil, and realizes the release of nutrients, thereby improving the nutrient utilization rate and being environment-friendly;
3) after the obtained charcoal is applied, the yield increase effect is obvious, and compared with a blank control group, the yield of the charcoal is respectively improved by about 21.7 percent and about 23.1 percent by taking corn and wheat as examples.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
A biochar-based organic fertilizer is prepared by the following steps:
s1, weighing the following components in parts by weight: 25 parts of biochar, 2 parts of rhamnolipid, 5 parts of shell powder, 1 part of triacontanol, 0.5 part of super absorbent polymer resin fiber (polyacrylate) and 5 parts of carbohydrase;
s2, placing the weighed high water absorption polymer resin fiber into water, and making the fiber fully absorb water and expand into solid hydrogel with corresponding shape;
s3, mixing the solid hydrogel with biochar, rhamnolipid, triacontanol, shell powder and carbohydrase, stirring uniformly, drying until the water content is about 10%, and tabletting to obtain the flaky granules with the diameter of 6mm and the weight of 0.08 g.
In this embodiment, the water content of the super absorbent polymer resin fiber is about 10%. The biochar is formed by carbonizing garden waste and/or agricultural waste at low temperature.
Example 2
A biochar-based organic fertilizer is prepared by the following steps:
s1, weighing the following components in parts by weight: 35 parts of charcoal, 8 parts of rhamnolipid, 15 parts of shell powder, 3 parts of triacontanol, 1 part of super absorbent polymer resin fiber (protein) and 10 parts of carbohydrase;
s2, placing the weighed high water absorption polymer resin fiber into water, and making the fiber fully absorb water and expand into solid hydrogel with corresponding shape;
s3, mixing the solid hydrogel with biochar, rhamnolipid, triacontanol, shell powder and carbohydrase, stirring uniformly, drying until the water content is about 10%, and tabletting to obtain the flaky granules with the diameter of 6mm and the weight of 0.08 g.
In this embodiment, the water content of the super absorbent polymer resin fiber is about 10%. The biochar is formed by carbonizing garden waste and/or agricultural waste at low temperature.
Example 3
A biochar-based organic fertilizer is prepared by the following steps:
s1, weighing the following components in parts by weight: 30 parts of biochar, 5 parts of rhamnolipid, 10 parts of shell powder, 2 parts of triacontanol, 0.75 part of super absorbent polymer resin fiber (polyacrylate) and 7.5 parts of carbohydrase;
s2, placing the weighed high water absorption polymer resin fiber into water, and making the fiber fully absorb water and expand into solid hydrogel with corresponding shape;
s3, mixing the solid hydrogel with biochar, rhamnolipid, triacontanol, shell powder and carbohydrase, stirring uniformly, drying until the water content is about 10%, and tabletting to obtain the flaky granules with the diameter of 6mm and the weight of 0.08 g.
In this embodiment, the water content of the super absorbent polymer resin fiber is about 10%. The biochar is formed by carbonizing garden waste and/or agricultural waste at low temperature.
During the drying and dewatering process of the high-water-absorptivity polymer resin fibers, rich pores can be formed in the organic fertilizer, so that the application of the organic fertilizer can obviously improve the air permeability of the soil and is beneficial to the living habitation and activity of the soil; and the rhamnolipid, the triacontanol and the carbohydrase are loaded by the shell powder, adsorbed on the surface of the biochar and adsorbed in the pores, so that the release of nutrients can be realized, and the nutrient utilization rate is improved. Meanwhile, the joint application of the biochar, the rhamnolipid, the triacontanol, the shell powder and the carbohydrase has an obvious yield-increasing effect.
Comparative example 1
The same procedure as in example 1 was repeated except that the starting material contained no super absorbent polymer fibers (polyacrylate type).
Comparative example 2
The starting material contained no triacontanol, the rest being as in example 1.
Comparative example 3
The starting material contained no carbohydrase, as in example 2.
Comparative example 4
The feed did not contain shell powder, as in example 3.
Comparative example 5
The raw materials do not contain shell powder, triacontanol, high water absorption polymer resin fiber and carbohydrase, and the rest is the same as the example 3.
And (3) field test: the following treatments were designed for the test with corn as the planting object:
1) control group 1: applying 60kg of slow-control fertilizer per mu by adopting a conventional fertilization mode; n, P2O5And K2The application rates of O are respectively 10.0, 3.0 and 15.0 kg/mu, and the total nutrient application rate is 28.0 kg/mu.
2) Control group 2: the biochar-based organic fertilizer obtained in the comparative example 1 is adopted to replace 20% of slow-controlled fertilizer in the control group 1.
3) Control group 3: the biochar-based organic fertilizer obtained in the comparative example 2 is adopted to replace 20% of slow-controlled fertilizer in the control group 1.
4) Control group 4: the biochar-based organic fertilizer obtained in the comparative example 3 is adopted to replace 20% of slow-controlled fertilizer in the control group 1.
5) Control group 5: the biochar-based organic fertilizer obtained in the comparative example 4 is adopted to replace 20% of slow-controlled fertilizer in the control group 1.
6) Control group 6: the biochar-based organic fertilizer obtained in the comparative example 5 is adopted to replace 20% of slow-controlled fertilizer in the control group 1.
7) Experimental group 1: the biochar-based organic fertilizer obtained in example 1 is used for replacing 20% of slow-controlled fertilizers in the control group 1.
8) Experimental group 2: the biochar-based organic fertilizer obtained in example 2 is used for replacing 20% of slow-controlled fertilizers in the control group 1.
9) Experimental group 3: the biochar-based organic fertilizer obtained in example 3 is used for replacing 20% of slow-controlled fertilizers in the control group 1.
9 treatments, each 3 replicates, cell area 30cm2Random block permutation is adopted. The protection rows with the width of 1m are arranged among the cells, and other factors such as field management and the like are the same.
And (3) test results: compared with the control group 1, the yield of the experiment group 1, the experiment group 2 and the experiment group 3 is respectively improved by 21.6 percent, 21.7 percent and 21.9 percent; the yield of the experimental group 1, the experimental group 2 and the experimental group 3 is obviously higher than that of the control group 2-6, the yield of the control group 6 is lower than that of the control group 1, the yield of the control group 2 is higher than that of the control group 4, the yield of the control group 4 is higher than that of the control group 3, and the product of the control group 3 is lower than that of the control group 5;
the foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (7)
1. A charcoal-based organic fertilizer is characterized in that: the feed is prepared from the following raw materials in parts by weight:
25-35 parts of charcoal, 2-8 parts of rhamnolipid, 5-15 parts of shell powder, 1-3 parts of triacontanol, 0.5-1 part of high water absorption polymer resin fiber and 5-10 parts of carbohydrase.
2. The biochar-based organic fertilizer as claimed in claim 1, which is characterized in that: the feed is prepared from the following raw materials in parts by weight:
25 parts of biochar, 2 parts of rhamnolipid, 5 parts of shell powder, 1 part of triacontanol, 0.5 part of high-water-absorptivity polymer resin fiber and 5 parts of carbohydrase.
3. The biochar-based organic fertilizer as claimed in claim 1, which is characterized in that: the feed is prepared from the following raw materials in parts by weight:
35 parts of charcoal, 8 parts of rhamnolipid, 15 parts of shell powder, 3 parts of triacontanol, 1 part of high water absorption polymer resin fiber and 10 parts of carbohydrase.
4. The biochar-based organic fertilizer as claimed in claim 1, which is characterized in that: the feed is prepared from the following raw materials in parts by weight:
30 parts of biochar, 5 parts of rhamnolipid, 10 parts of shell powder, 2 parts of triacontanol, 0.75 part of high-water-absorption polymer resin fiber and 7.5 parts of carbohydrase.
5. The biochar-based organic fertilizer as claimed in any one of claims 1 to 4, characterized in that: the water content of the high-water-absorptivity polymer resin fiber is 10%.
6. The biochar-based organic fertilizer as claimed in any one of claims 1 to 4, characterized in that: the biochar is formed by carbonizing garden waste and/or agricultural waste at low temperature.
7. The method for preparing the biochar-based organic fertilizer as claimed in claim 1, which is characterized in that: the method comprises the following steps:
s1, weighing the components in parts by weight;
s2, placing the weighed high water absorption polymer resin fiber into water, and making the fiber fully absorb water and expand into solid hydrogel with corresponding shape;
s3, mixing the solid hydrogel with charcoal, rhamnolipid, triacontanol, shell powder and carbohydrase, stirring uniformly, drying until the water content is 10%, and tabletting to obtain the tablet-shaped granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110527001.1A CN113149767A (en) | 2021-05-14 | 2021-05-14 | Biochar-based organic fertilizer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110527001.1A CN113149767A (en) | 2021-05-14 | 2021-05-14 | Biochar-based organic fertilizer and preparation method thereof |
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| CN113149767A true CN113149767A (en) | 2021-07-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817385A (en) * | 2015-04-20 | 2015-08-05 | 广东大众农业科技股份有限公司 | Garden waste biomass charcoal-based soil conditioner and preparation method thereof |
| US20160023959A1 (en) * | 2011-06-06 | 2016-01-28 | Cool Planet Energy Systems, Inc. | Biochars and biochar treatment processes |
| CN108640740A (en) * | 2018-04-04 | 2018-10-12 | 标创（北京）国际生物技术有限公司 | A kind of Water soluble fertilizer and preparation method thereof containing carbon enzyme polypeptide |
| CN109704875A (en) * | 2019-03-20 | 2019-05-03 | 周口职业技术学院 | A kind of corps nutrient fertilizer |
| CN112521224A (en) * | 2020-12-28 | 2021-03-19 | 张二芳 | Soil improvement preparation and preparation method thereof |
-
2021
- 2021-05-14 CN CN202110527001.1A patent/CN113149767A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160023959A1 (en) * | 2011-06-06 | 2016-01-28 | Cool Planet Energy Systems, Inc. | Biochars and biochar treatment processes |
| CN104817385A (en) * | 2015-04-20 | 2015-08-05 | 广东大众农业科技股份有限公司 | Garden waste biomass charcoal-based soil conditioner and preparation method thereof |
| CN108640740A (en) * | 2018-04-04 | 2018-10-12 | 标创（北京）国际生物技术有限公司 | A kind of Water soluble fertilizer and preparation method thereof containing carbon enzyme polypeptide |
| CN109704875A (en) * | 2019-03-20 | 2019-05-03 | 周口职业技术学院 | A kind of corps nutrient fertilizer |
| CN112521224A (en) * | 2020-12-28 | 2021-03-19 | 张二芳 | Soil improvement preparation and preparation method thereof |
Non-Patent Citations (1)
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| 武继承: "《农艺节水技术研究与应用》", 31 December 2008, 黄河水利出版社 * |
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