CN110577442A - carbon-based soil environment restoration agent and preparation method thereof - Google Patents
carbon-based soil environment restoration agent and preparation method thereof Download PDFInfo
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- CN110577442A CN110577442A CN201910950269.9A CN201910950269A CN110577442A CN 110577442 A CN110577442 A CN 110577442A CN 201910950269 A CN201910950269 A CN 201910950269A CN 110577442 A CN110577442 A CN 110577442A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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Abstract
The invention discloses a carbon-based soil environment restoration agent and a preparation method thereof, wherein the carbon-based soil environment restoration agent is prepared by mixing the following components in percentage by mass: 35-45% of active carbon, 5-15% of humic acid, 2-10% of microbial agent particles, 5-15% of diatomite and 30-45% of potassium polyacrylate; the preparation method of the carbon-based soil environment restoration agent comprises the following steps: step 1, weighing each material, crushing and sieving the materials; step 2, mixing the materials except the microbial agent particles, and thermally dehydrating for 1-1.5 hours at 150 ℃; step 3, adding microbial agent particles into the mixture, uniformly mixing, granulating and warehousing; the carbon-based soil environment restoration agent prepared by the invention can adjust the ecological environment of soil, improve the air permeability of the soil, supplement beneficial microorganisms and organic matters in the soil, absorb water, preserve moisture, reduce water loss and soil erosion, balance soil moisture and promote the growth and development of plants.
Description
Technical Field
The invention belongs to the technical field of agriculture, and particularly relates to a carbon-based soil environment restoration agent and a preparation method thereof.
background
The existing soil remediation agent has a single effect, improves the soil environment only by adding organic matters, microorganisms and the like, but cannot improve the moisture-preserving capability of the soil, has poor drought resistance of the soil, is slow in soil remediation speed and high in use cost.
Disclosure of Invention
The invention aims to provide a carbon-based soil environment repairing agent, which improves the air permeability of soil and accelerates the conversion of organic matters in the soil by adding biological activated carbon, comprehensively adjusts the dispersion structure of water, fertilizer, gas and heat in the soil by adding degradable organic polymeric high polymer materials and biological protease, converts residual ionic nutrients in the original soil and improves the quality of the soil.
The invention also aims to provide a preparation method of the carbon-based soil environment restoration agent, the preparation process is simple and easy to operate, and the prepared carbon-based soil environment restoration agent is convenient to use and low in use cost.
The technical scheme adopted by the invention is that the carbon-based soil environment restoration agent is prepared from the following substances in percentage by mass: 35-45% of active carbon, 5-15% of humic acid, 2-10% of microbial agent particles, 5-15% of diatomite and 30-45% of potassium polyacrylate.
the preparation method of the carbon-based soil environment restoration agent specifically comprises the following steps:
Step 1, weighing the following raw materials in percentage by mass: 35-45% of active carbon, 5-15% of humic acid, 2-10% of microbial agent particles, 5-15% of diatomite and 30-45% of potassium polyacrylate;
Step 2, crushing and sieving the raw materials;
step 3, uniformly mixing the raw materials except the microbial agent particles, and then stirring and thermally dehydrating for 1-1.5 h at 150 ℃;
And 4, adding the microbial agent particles into the mixture, uniformly mixing, granulating and warehousing.
Further, the mesh number of the screen used for screening in the step 2 is 60 meshes.
Further, the water content of the microbial agent particles before thermal dehydration in the step 3 is 10%, and the water content of other materials except the microbial agent particles is not more than 15%.
the invention has the beneficial effects that: 1. according to the invention, the active carbon is added, so that the air permeability of the soil is improved, and the conversion of organic matters is accelerated; 2. by adding organic high molecular polymer and biological protease, the ecological environment of the soil, such as conditions of water, fertilizer, gas, heat and the like, is adjusted, residual ionic nutrients in the soil are converted, and the quality of the soil is improved; 3. according to the invention, the potassium polyacrylate for enhancing water absorption is added into the soil remediation agent, so that the water absorption and moisture retention performance of the soil is improved, conditions are provided for the conversion of organic matters in the soil, and the remediation speed of the soil is accelerated.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The carbon-based soil environment restoration agent is prepared from the following components in percentage by mass:
35-45% of active carbon, 5-15% of humic acid, 2-10% of microbial agent particles, 5-15% of diatomite and 30-45% of potassium polyacrylate.
The activated carbon in the carbon-based soil environment restoration agent has a porous structure, the activated carbon is used as a matrix, so that the air permeability of soil can be improved, the oxygen content of the soil can be increased, the activity of microorganisms in the soil can be enhanced, the humic acid can increase the organic matter content of the soil, the conversion efficiency and speed of nitrogen, phosphorus and potassium in the soil can be improved, trace elements in the soil can be supplemented, the beneficial microorganisms in the soil can be increased by the microbial agent particles, the conversion of effective nutrients in the soil can be promoted, and the damage of harmful floras in the soil to crops can be prevented; the diatomite can improve the air permeability of soil, increase granular structures, supplement trace elements, promote the growth of plant roots and facilitate the cultivation of plants; the potassium polyacrylate is an organic polymer material with a three-dimensional network structure, has strong hydrophilicity, can be quickly degraded in soil, is safe and environment-friendly, can gather underground water and external water which are evaporated and leaked in the soil, slowly releases water in drought, repeatedly absorbs and controls water drainage of the potassium polyacrylate, reduces water loss in the soil, improves water absorption and moisture retention capacity and water balance of the soil, improves microbial activity in the soil, enables humic acid and organic matters to be easier to convert, increases organic matter content in the soil, and is beneficial to growth and development of plants.
The raw materials of the carbon-based soil environment restoration agent can interact in the soil restoration process, the activated carbon, the diatomite and the potassium polyacrylate can improve the air permeability and the water absorption and moisture retention performance of the soil, increase the granular structure in the soil, reduce hardening, supplement the trace elements in the soil, and the humic acid and microbial inoculant particles can supplement the trace elements and beneficial microorganisms in the soil, promote the conversion of organic matters in the soil and promote the development and growth of plant roots; the invention can comprehensively improve the ecological environment of soil, such as water, fertilizer, gas, heat and other conditions, so that the soil structure is more beneficial to the growth of plant roots, the air permeability, water absorption and moisture retention of the soil are increased, the biological activity of microorganisms in the soil and the conversion efficiency and speed of organic matters are improved, the growth of plants is promoted, and the soil restoration effect and the restoration speed are obviously improved.
the preparation method of the carbon-based soil environment restoration agent comprises the following steps:
step 1, weighing the raw materials according to mass percentage, fully crushing the raw materials, sieving to remove a small amount of materials with an over-specification size, wherein the mesh number of a screen is 60 meshes, and the particle size of the materials is too large, so that the prepared carbon-based soil environment restoration agent is too slow in infiltration speed and poor in water locking effect on lost water, and the infiltration speed of the carbon-based soil environment restoration agent is improved when the particle size of the materials is too small, but the water storage space inside the restoration agent is reduced, and the water retention performance of the restoration agent is also influenced;
Step 2, uniformly mixing other materials except the microbial agent particles, and then stirring and thermally dehydrating at 150 ℃ for 1-1.5 h, wherein the water content of the materials is not more than 15%;
And 3, adding the microbial agent particles with the water content of 10% into the mixture, granulating and warehousing.
The water content of each material in the carbon-based soil environment restoration agent is reduced, so that the porosity of the material is reduced, the water storage space in the restoration agent is reduced, the water retention performance is weakened, the water content is increased, the structural connection among the materials is not compact enough, and the water locking effect is not good; the soil restoration agent is prepared by mixing materials at 150 ℃ so as to avoid the change of the properties of the materials in the mixing process, adding microbial agent particles after the materials are mixed so as to avoid the reduction of the activity of the microbial agent in a high-temperature environment for a long time, and keeping the effective components and the activity of the materials as far as possible in the material mixing process, so that the soil restoration agent obtained by mixing has good performances of adjusting the soil ecological environment, preserving water and preserving moisture.
Examples
The method comprises the following steps of planting soybeans in a non-grain-hitting land of a long ridge in a slope shape and a sandy-like alkaline land, dividing the non-grain-hitting land into five groups, wherein the first group is not applied with a soil remediation agent, the second group is applied with an existing soil remediation agent, the third group is applied with a carbon-based soil environment remediation agent A, the fourth group is applied with a carbon-based soil environment remediation agent B, the fifth group is applied with a carbon-based soil environment remediation agent C, and the application time and the application amount of the soil remediation agent are as follows: before beginning spring and preparing land, the fertilizer is applied to the surface of the land according to the amount of 100 kg/mu, then the soil remediation agent is mixed into the soil with about 18 centimeters underground by moderate tillage, and conventional fertilization and cultivation are carried out on the three groups of test crops.
The carbon-based soil environment restoration agent A comprises the following components in percentage by weight: 43% of activated carbon, 10% of humic acid, 8% of microbial agent particles, 10% of diatomite and 29% of potassium polyacrylate; the carbon-based soil environment restoration agent B comprises the following components in percentage by weight: 37% of active carbon, 15% of humic acid, 3% of microbial agent particles, 15% of diatomite and 30% of potassium polyacrylate; the carbon-based soil environment restoration agent C comprises the following components in percentage by weight: 40% of active carbon, 7% of humic acid, 5% of microbial agent particles, 5% of diatomite and 43% of potassium polyacrylate;
In the process of soybean growth, the emergence rate and the growth condition of soybeans are checked, the yield of the soybeans and the content of each nutritional component in soil are counted after the soybeans are harvested, the growth condition and the yield of the soybeans are counted as shown in table 1, the third group, the fourth group and the fifth group of the soybeans are tested to have the highest emergence rate, strong soybean seedlings, vigorous root growth, full soybean grains in bean pods and the highest acre yield according to the table 1; the soybean emergence rate and the yield of the second group and the first group are reduced in sequence and are lower than those of the third group, the fourth group and the fifth group.
TABLE 1 Soybean growth index data
| Experimental groups | Soybean rate of emergence/%) | Height/cm of soybean seedling | weight per gram of soybean | Soybean yield/kg/mu |
| First group | 87 | 57 | 17.01 | 166.2 |
| second group | 88 | 62 | 17.03 | 171.4 |
| third group | 92 | 67 | 17.29 | 186.6 |
| fourth group | 94 | 70 | 17.13 | 189.8 |
| Fifth group | 94 | 72 | 17.43 | 203.3 |
After the carbon-based soil environment restoration agent disclosed by the invention is applied, the ecological environment of the soil can be improved, the air permeability and the water and moisture absorption of the soil are increased, quick-acting nutrient components beneficial to the growth of crops can be released, trace elements and beneficial microorganisms in the soil are supplemented, the organic matter conversion in the soil is promoted, the growth and development of the crop root system are promoted, and the crop yield is increased.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (4)
1. The carbon-based soil environment restoration agent is characterized by being prepared from the following substances in percentage by mass: 35-45% of active carbon, 5-15% of humic acid, 2-10% of microbial agent particles, 5-15% of diatomite and 30-45% of potassium polyacrylate.
2. The preparation method of the carbon-based soil environment restoration agent according to claim 1, which comprises the following steps:
Step 1, weighing the following raw materials in percentage by mass: 35-45% of active carbon, 5-15% of humic acid, 2-10% of microbial agent particles, 5-15% of diatomite and 30-45% of potassium polyacrylate;
Step 2, crushing and sieving the raw materials;
Step 3, uniformly mixing the raw materials except the microbial agent particles, and then stirring and thermally dehydrating for 1-1.5 h at 150 ℃;
And 4, adding the microbial agent particles into the mixture, uniformly mixing, granulating and warehousing.
3. The preparation method of the carbon-based soil environment restoration agent according to claim 2, wherein the mesh number of the screen used for sieving in the step 2 is 60 meshes.
4. The preparation method of the carbon-based soil environment restoration agent according to claim 2, wherein the water content of the microbial agent particles before the thermal dehydration in the step 3 is 10%, and the water content of the other materials except the microbial agent particles is not more than 15%.
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Cited By (3)
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| CN113004103A (en) * | 2021-05-14 | 2021-06-22 | 榆林学院 | Biochar-based probiotic and preparation method thereof |
| CN113214025A (en) * | 2020-11-22 | 2021-08-06 | 张学敏 | Biochar-based organic fertilizer for restoring soil environment |
| CN113214840A (en) * | 2021-05-12 | 2021-08-06 | 淮阴师范学院 | Preparation method and application of biodegradable carbon particles |
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