CN113024323A - Novel mineral cadmium-reducing bio-organic fertilizer - Google Patents
Novel mineral cadmium-reducing bio-organic fertilizer Download PDFInfo
- Publication number
- CN113024323A CN113024323A CN201911352497.2A CN201911352497A CN113024323A CN 113024323 A CN113024323 A CN 113024323A CN 201911352497 A CN201911352497 A CN 201911352497A CN 113024323 A CN113024323 A CN 113024323A
- Authority
- CN
- China
- Prior art keywords
- organic fertilizer
- cadmium
- novel mineral
- reducing bio
- available
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a novel mineral cadmium-reducing bio-organic fertilizer which comprises the following effective nutrients: 4 percent of available nitrogen, 3 percent of available phosphorus pentoxide and 3 percent of available potassium oxide. Has the advantages that: the novel mineral cadmium-reducing biological organic fertilizer can relieve soil acidification and effectively improve the pH value of acidic paddy soil; the novel mineral cadmium-reducing biological organic fertilizer is applied, so that the pH value of acid soil can be increased, and meanwhile, the contents of active lead and other heavy metals in the soil are correspondingly reduced; the novel mineral cadmium-reducing biological organic fertilizer can passivate heavy metals, reduce heavy metal toxicity of rice in acid soil, improve the yield of agricultural products and provide soil fertility.
Description
Technical Field
The invention relates to the field of bio-organic fertilizers, and relates to a novel mineral cadmium-reducing bio-organic fertilizer.
Background
China is a large population country, the safe and healthy production of food is always the biggest concern of people, and the heavy metal pollution of farmlands poses serious threats to the food safety and public health, so that the public is widely concerned and worried about, and therefore, the treatment of the heavy metal pollution farmlands to reduce the risk of the overproof heavy metal cadmium in crops is urgent. The birth fertility rate of people in our country is reduced, and the morbidity of cancer, hypertension, heart and brain, blood vessels and diabetes patients is high, so that the method has close relation with food safety. How to improve the yield and quality of crops is a necessary requirement for social development.
The fertilizers used for planting crops at present are mostly large fertilizers and poor organic fertilizers, heavy metals seriously exceed standards due to long-term use of land, soil is hardened, fertility is reduced, and a series of problems of reduction of nutritional quality of agricultural products, low yield, poor stress resistance and the like are caused.
Meanwhile, 14 people in China who save 72% of the territorial area of China lack selenium for 3 hundred million, the selenium is taken as an indispensable trace element for human bodies, the selenium supplement for the whole people is urgent, and the selenium supplement through food such as grain and oil, melons and fruits and the like is a continuous selenium supplement mode with the widest popularization range.
Therefore, the novel mineral cadmium-reducing bio-organic fertilizer is developed, medium trace elements lacking in soil are balanced, soil fertility is improved, the quality of agricultural products can be improved, and the condition that the national general selenium deficiency can be improved.
Disclosure of Invention
The invention realizes the purpose through the following technical scheme:
the novel mineral cadmium-reducing bio-organic fertilizer comprises the following effective nutrients: the organic phosphorus-containing material comprises, by mass, 4% of available nitrogen, 3% of available phosphorus pentoxide, 3% of available potassium oxide, 40-45% of organic matters, 10-15% of available silicon dioxide, 18-22% of available calcium oxide, 2-4% of available magnesium, 1-2% of available iron, 0.1-0.2% of available zinc, 0.1-0.2% of available boron and 0.1-0.2% of available manganese.
Furthermore, the novel mineral cadmium-reducing bio-organic fertilizer comprises 12-15% of moisture by mass, and the percentage content of organic selenium elements in the novel mineral cadmium-reducing bio-organic fertilizer is 1.5-2 mg/kg.
Furthermore, the content of effective active bacteria in the novel mineral cadmium-reducing bio-organic fertilizer is 0.20 hundred million/g, and the pH value of the novel mineral cadmium-reducing bio-organic fertilizer is 6.5-8.5.
The preparation process of the novel mineral cadmium-reducing bio-organic fertilizer comprises the following steps:
(1) crushing phosphate ore, dolomite, silica and limestone by a crusher respectively, and screening by an iron screen to obtain raw materials of the raw ores fed into the furnace respectively; the diameter specification of the raw materials of the charging coarse ore is as follows: the diameter is more than or equal to 0.5 and less than or equal to 10.0 cm;
(2) mixing the raw materials of the raw ores fed into the furnace obtained in the step 1, and adding carbon-containing fuel accounting for 24-28% of the total mass to obtain the raw material mixture to be calcined;
(3) putting the mixed raw material of the coarse ores to be calcined, which is obtained in the step 2, into a blast furnace for high-temperature calcination at the temperature of 1200-1500 ℃ to obtain an activated raw material to be calcined;
(4) performing high-pressure water crushing on the activated raw material to be treated obtained in the step 3, and cooling to obtain a stable mineral substance activated raw material;
(5) and (4) drying and ball-milling the stable mineral substance activated raw material obtained in the step (4) to obtain a ball-milled raw material, and mixing the ball-milled raw material with nitrogen, potassium chloride, effective active bacteria, organic matters, organic selenium elements or potassium sulfate to obtain the novel mineral substance cadmium-reducing bio-organic fertilizer.
Further, in the step (5) of preparing the novel mineral cadmium-reducing bio-organic fertilizer, the particles with the particle size not meeting the requirement need to be added into a centrifugal granulator again for granulation.
Furthermore, the drying temperature of the novel mineral cadmium-reducing bio-organic fertilizer is 80-100 ℃.
Furthermore, when the novel mineral cadmium-reducing bio-organic fertilizer is used, the novel mineral cadmium-reducing bio-organic fertilizer can be spread, furrow-applied or empty-applied, the fertilizing part is separated from the seeds or seedlings by 6-8cm, the seeds and the roots are not required to be directly contacted, so that the roots and the seedlings are not damaged, the fertilizing method and the using amount are required to be accurate, the deep application and the surface application are not required, the shallow application is required, the fertilizer and the soil of a cultivated layer are fully mixed, the nutrition absorbed by crops is balanced, and otherwise, the quality problems of trace elements selenium and cadmium can be caused.
The invention has the beneficial effects that:
1. the novel mineral cadmium-reducing biological organic fertilizer is applied, so that soil acidification can be relieved, and the pH value of the acidic paddy soil can be effectively improved;
2. the novel mineral cadmium-reducing biological organic fertilizer is applied, so that the pH value of acid soil can be improved, and the contents of active lead and other heavy metal cadmium in the soil can be reduced;
3. by applying the novel mineral cadmium-reducing biological organic fertilizer, heavy metals can be passivated, the heavy metal toxicity of acid rice soil can be reduced, the yield of agricultural products can be improved, and the soil fertility can be provided;
4. the application of the novel mineral cadmium-reducing biological organic fertilizer can increase the selenium content of agricultural products and increase the selenium intake of human bodies.
Detailed Description
The invention aims to provide a novel mineral cadmium-reducing bio-organic fertilizer. The novel mineral cadmium-reducing bio-organic fertilizer has the functions of improving the pH value of soil, reducing the content of active lead and other heavy metal cadmium, improving the yield, increasing the content of selenium element and promoting the activity of beneficial microorganisms in the soil, can be used for fertilizing the soil, can reduce the effective cadmium content in the soil, can promote the yield increase of crops, effectively reduce the cadmium content in agricultural products and improve the quality and color of the crops.
The invention provides a novel mineral cadmium-reducing bio-organic fertilizer which comprises the following effective nutrients: the organic phosphorus-containing material comprises, by mass, 4% of available nitrogen, 3% of available phosphorus pentoxide, 3% of available potassium oxide, 40-45% of organic matters, 10-15% of available silicon dioxide, 18-22% of available calcium oxide, 2-4% of available magnesium, 1-2% of available iron, 0.1-0.2% of available zinc, 0.1-0.2% of available boron and 0.1-0.2% of available manganese.
Preferably, the novel mineral cadmium-reducing bio-organic fertilizer comprises 10-12% of water by mass, and the percentage content of organic selenium elements in the novel mineral cadmium-reducing bio-organic fertilizer is 1.5-2 mg/kg.
Preferably, the content of effective active bacteria in the novel mineral cadmium-reducing bio-organic fertilizer is 0.20 hundred million/g, and the pH value of the novel mineral cadmium-reducing bio-organic fertilizer is 6.5-8.5.
The preparation process of the novel mineral cadmium-reducing bio-organic fertilizer comprises the following steps:
(1) crushing phosphate ore, dolomite, silica and limestone by a crusher respectively, and screening by an iron screen to obtain raw materials of the raw ores fed into the furnace respectively; the diameter specification of the raw materials of the charging coarse ore is as follows: the diameter is more than or equal to 0.5 and less than or equal to 10.0 cm;
(2) mixing the raw materials of the raw ores fed into the furnace obtained in the step 1, and adding fuel accounting for 24-28% of the total mass to obtain the raw material mixture to be calcined;
(3) putting the mixed raw material of the coarse ores to be calcined, which is obtained in the step 2, into a blast furnace for high-temperature calcination at the temperature of 1200-1500 ℃ to obtain an activated raw material to be calcined;
(4) performing high-pressure water crushing on the activated raw material to be treated obtained in the step 3, and cooling to obtain a stable mineral substance activated raw material;
(5) and (4) drying and ball-milling the stable mineral substance activated raw material obtained in the step (4) to obtain a ball-milled raw material, and mixing the ball-milled raw material with nitrogen, potassium chloride, effective active bacteria, organic matters, organic selenium elements or potassium sulfate to obtain the novel mineral substance cadmium-reducing bio-organic fertilizer.
Preferably, the particles with the particle size not meeting the requirement in the step (5) for preparing the novel mineral cadmium-reducing bio-organic fertilizer need to be added into a centrifugal granulator again for granulation.
Preferably, the drying temperature of the novel mineral cadmium-reducing bio-organic fertilizer is 80-100 ℃.
Preferably, when the novel mineral cadmium-reducing bio-organic fertilizer is used, the novel mineral cadmium-reducing bio-organic fertilizer can be applied in a broadcasting way, a furrow application way or an empty application way, the application part is separated from seeds or seedlings by 6-8cm, the seeds and the roots are not required to be directly contacted, so that the roots are not damaged and the seedlings are burnt, the application method and the application amount are required to be accurate, the novel mineral cadmium-reducing bio-organic fertilizer can not be applied deeply or topically, but can be applied shallowly, so that the novel mineral cadmium-reducing bio-organic fertilizer and the soil of a cultivated layer are fully mixed, the nutrition absorbed by crops is balanced, and otherwise, the quality problems.
The using method comprises the following steps: the rice is applied with 200-250 kg/mu, and is used as a base fertilizer at one time without any other fertilizer, 7-10 days after transplanting, 8-10 kg/mu of urea and 8-10 kg/mu of potassium chloride fertilizer; applying 250-300 kg of organic fertilizer for each mu of citrus, rape, apple, pear, peach and adult fruit trees, mixing and applying 10 kg of compound urea and 10 kg of potassium sulfate fertilizer per mu; the application rate of the fertilizer is 200-250 kg/mu for melons, fruits and vegetables, the compound mu uses 6-8 kg/mu of urea and 10 kg/mu of potassium sulfate fertilizer, the urea and the potassium sulfate fertilizer are mixed and applied, and the mixture is applied in a furrow or hole way once, and users need to determine the fertilizing amount, the fertilizing method and the applying period by combining with the actual conditions of the users due to different varieties, soils, climates and fertilizing methods of various land crops.
The product can reduce the cadmium content of rice, has the best effect in all the tested organic fertilizers, and shows that the novel mineral cadmium-reducing biological organic fertilizer has better effect on reducing the cadmium content of rice. The late rice test at the same bridge town at key county in 2017 shows that the cadmium content in the rice is greatly reduced to 0.082mg/kg from 0.372mg/kg of the control field, the cadmium reduction amplitude reaches 77.9 percent, the rice yield is improved, the yield increase is generally between 8 and 10 percent, the selenium content in the rice is improved to more than 0.18 to 0.5mg/kg according to the national standard, and the rice is safe and healthy when eaten by the ordinary people.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A novel mineral cadmium-reducing bio-organic fertilizer is characterized in that: the novel mineral cadmium-reducing bio-organic fertilizer comprises the following effective nutrients: the organic phosphorus-containing material comprises, by mass, 4% of available nitrogen, 3% of available phosphorus pentoxide, 3% of available potassium oxide, 40-45% of organic matters, 10-15% of available silicon dioxide, 18-22% of available calcium oxide, 2-4% of available magnesium, 1-2% of available iron, 0.1-0.2% of available zinc, 0.1-0.2% of available boron and 0.1-0.2% of available manganese.
2. The novel mineral cadmium-reducing bio-organic fertilizer according to claim 1, characterized in that: the novel mineral cadmium-reducing bio-organic fertilizer comprises 10-12% of water by mass, and the percentage content of organic selenium element in the novel mineral cadmium-reducing bio-organic fertilizer is 1.5-2 mg/kg.
3. The novel mineral cadmium-reducing bio-organic fertilizer according to claim 1, characterized in that: the content of effective active bacteria in the novel mineral cadmium-reducing bio-organic fertilizer is 0.20 hundred million/g, and the pH value of the novel mineral selenium-rich cadmium-reducing bio-organic fertilizer is 6.5-8.5.
4. The novel mineral cadmium-reducing bio-organic fertilizer according to claim 1, characterized in that: the preparation process of the novel mineral substance and cadmium reduction bio-organic fertilizer comprises the following steps:
(1) crushing phosphate ore, dolomite, silica and limestone by a crusher respectively, and screening by an iron screen to obtain raw materials of the raw ores fed into the furnace respectively; the diameter specification of the raw materials of the charging coarse ore is as follows: the diameter is more than or equal to 0.5 and less than or equal to 10.0 cm;
(2) mixing the raw materials of the raw ores fed into the furnace obtained in the step 1, and adding carbon-containing fuel accounting for 24-28% of the total mass to obtain the raw material mixture to be calcined;
(3) putting the mixed raw material of the coarse ores to be calcined, which is obtained in the step 2, into a blast furnace for high-temperature calcination at the temperature of 1200-1500 ℃ to obtain an activated raw material to be calcined;
(4) performing high-pressure water crushing on the activated raw material to be treated obtained in the step 3, and cooling to obtain a stable mineral substance activated raw material;
(5) and (4) drying and ball-milling the stable mineral substance activated raw material obtained in the step (4) to obtain a ball-milled raw material, and mixing the ball-milled raw material with nitrogen, potassium chloride, effective active bacteria, organic matters, organic selenium elements or potassium sulfate to obtain the novel mineral substance cadmium-reducing bio-organic fertilizer.
5. The novel mineral cadmium-reducing bio-organic fertilizer according to claim 1, characterized in that: and (5) adding the granules with the particle sizes not meeting the requirements in the step (5) into the centrifugal granulator again for granulation.
6. The novel mineral cadmium-reducing bio-organic fertilizer according to claims 1-6, characterized in that: the drying temperature of the novel mineral cadmium-reducing bio-organic fertilizer is 80-100 ℃.
7. The novel mineral cadmium-reducing bio-organic fertilizer according to claims 1-7, characterized in that: when the novel mineral cadmium-reducing bio-organic fertilizer is used, the novel mineral cadmium-reducing bio-organic fertilizer can be applied in a broadcasting way, in a furrow way or in an empty way, the fertilizing part is separated from seeds or seedlings by 6-8cm, the seeds and the roots are not required to be directly contacted, so that the roots and the seedlings are not damaged, the fertilizing method and the application amount are required to be accurate, the novel mineral cadmium-reducing bio-organic fertilizer can not be applied deeply, but can not be applied topically, and the novel mineral cadmium-reducing bio-organic fertilizer can be applied shallowly, so that the novel mineral cadmium-reducing bio-organic fertilizer is fully mixed with soil of a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911352497.2A CN113024323A (en) | 2019-12-25 | 2019-12-25 | Novel mineral cadmium-reducing bio-organic fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911352497.2A CN113024323A (en) | 2019-12-25 | 2019-12-25 | Novel mineral cadmium-reducing bio-organic fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113024323A true CN113024323A (en) | 2021-06-25 |
Family
ID=76452289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911352497.2A Pending CN113024323A (en) | 2019-12-25 | 2019-12-25 | Novel mineral cadmium-reducing bio-organic fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113024323A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636898A (en) * | 2021-08-30 | 2021-11-12 | 湖南裕国登农业综合开发有限公司 | Special mineral medium element cadmium-reducing fertilizer |
| CN116283404A (en) * | 2023-01-31 | 2023-06-23 | 湖南省辰河生态农业科技股份有限公司 | Cadmium-reducing organic fertilizer for tea and preparation method thereof |
-
2019
- 2019-12-25 CN CN201911352497.2A patent/CN113024323A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636898A (en) * | 2021-08-30 | 2021-11-12 | 湖南裕国登农业综合开发有限公司 | Special mineral medium element cadmium-reducing fertilizer |
| CN116283404A (en) * | 2023-01-31 | 2023-06-23 | 湖南省辰河生态农业科技股份有限公司 | Cadmium-reducing organic fertilizer for tea and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103214319B (en) | Long-term biological slow-release fertilizer special for peanut and preparation method thereof | |
| CN107056438A (en) | Potassium polyphosphate strawberry slow-release fertilizer and its production method | |
| CN103524221B (en) | Special slow control/release compound fertilizer for eggplant and preparation method thereof | |
| CN104710212A (en) | Selenium-rich organic fertilizer and preparation method thereof | |
| CN102503632A (en) | Selenium-rich organic/inorganic fertilizer for producing selenium-rick rice as well as application method thereof | |
| CN106977278A (en) | Potassium polyphosphate sugarcane slow-release fertilizer and its production method | |
| CN101665699A (en) | Nutrient conditioner for acidified soil in orchards, and preparation method and applications thereof | |
| CN104892085A (en) | Special bio-organic fertilizer for citrus and preparation method for bio-organic fertilizer | |
| CN103787776A (en) | Biological water flushing fertilizer and preparation method thereof | |
| CN101905999B (en) | Humic acid sustained and controlled release fertilizer and production method thereof | |
| WO2019158009A1 (en) | Composite fertilizer containing magnesium ammonium phosphate and polyglutamic acid | |
| CN105884513B (en) | A kind of single grain fine sowing fertilizer specially for peanut and preparation method thereof | |
| CN110698288B (en) | Mineral substance nutrition balance soil conditioner and preparation method thereof | |
| CN113024323A (en) | Novel mineral cadmium-reducing bio-organic fertilizer | |
| CN104926561B (en) | A kind of soil conditioner and preparation method thereof for soil remediation | |
| CN111646843A (en) | Selenium-rich cadmium-reducing leaf fertilizer for rice and preparation method thereof | |
| CN106977276A (en) | Ammonium polyphosphate mango special fertilizer and its production method | |
| CN102126895B (en) | Fertilizer special for turnip and preparation method thereof | |
| CN104961614B (en) | Organic-inorganic drip irrigation fertilizer for Hami melons | |
| CN101260011A (en) | Humic acid silicon selenium fertilizer | |
| CN103664357A (en) | Organic fermentation compound fertilizer and preparation method thereof | |
| CN108794193A (en) | A kind of corn stalk pellets fertilizer and preparation method thereof | |
| CN104355761A (en) | Fertilizer for preventing and controlling apple fruit cracks as well as preparation method and application thereof | |
| CN104098365A (en) | Special tomato fertilizer and preparation method thereof | |
| CN107365232A (en) | A kind of new red soil acidifying improvement conditioner and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210625 |