CN115259965A - Method for realizing paddy soil live selenium and cadmium passivation by utilizing microbial regulation - Google Patents
Method for realizing paddy soil live selenium and cadmium passivation by utilizing microbial regulation Download PDFInfo
- Publication number
- CN115259965A CN115259965A CN202210858976.7A CN202210858976A CN115259965A CN 115259965 A CN115259965 A CN 115259965A CN 202210858976 A CN202210858976 A CN 202210858976A CN 115259965 A CN115259965 A CN 115259965A
- Authority
- CN
- China
- Prior art keywords
- selenium
- soil
- microbial
- cadmium
- rice
- 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
Images
Classifications
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- 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
- C05G5/20—Liquid fertilisers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to the technical field of selenium enrichment of crops, in particular to a method for realizing active selenium and cadmium passivation of paddy soil by utilizing microbial regulation, which comprises the following steps: (1) When the rice is planted, a microbial soil passivator is applied as a base fertilizer; the microbial soil passivator is prepared by mixing the following components in parts by mass: 0.5-0.75 part of dry powder of the Chinese unicellular bacterium darkblack, 1-1.25 parts of dry powder of the colorless bacillus denitrificans, 20-35 parts of mineral source potassium fulvate and 40-50 parts of organic fertilizer; the application amount of the microbial soil passivator is 150-200 kg/mu; (2) Spraying amino acid chelated selenium nutrient solution on leaf surfaces in the booting stage of rice, wherein the spraying amount is 400-600 mL/mu. According to the method, the microbial soil passivator is used as a base fertilizer, and the amino acid chelated selenium leaf fertilizer is sprayed in the booting stage of the rice, so that the effective cadmium content of the soil can be reduced, the effective selenium content of the soil can be improved, and the selenium enrichment and cadmium reduction of the rice can be realized.
Description
Technical Field
The invention relates to the technical field of selenium enrichment of crops, in particular to a method for realizing active selenium and cadmium passivation of paddy soil by utilizing microbial regulation.
Background
Selenium (Se) is one of the most interesting trace elements in the world, has an important role in human physiology and is closely related to various diseases of the human body. Because the health care tea can regulate the immunity of organisms, has the functions of resisting oxidation and aging, removing harmful free radicals in the bodies and the like, can effectively prevent keshan disease and Kashin-Beck disease, can also prevent and resist cancers, inhibit tumors and the like, and thus light rings such as 'anticancer king', 'longevity element', 'life kindling', 'natural antidote' and 'heart guard' are coronarrated by human beings. Although the trace element selenium can play an important physiological role for a human body, the health risk can be caused by too high or too low intake of the trace element selenium, so the trace element selenium has a special position in the research and application of the trace element selenium.
The recommended selenium intake of Chinese Nutrition society for adults is 60-400 mug/d, the daily selenium intake of 1/3 of countries or regions in the world is obviously lower than 60 mug/d, and 2/3 of China faces the threat of selenium deficiency, but the daily selenium intake of adults in high-selenium regions such as Enshi in China is up to 4990 mug/d, and is a region with excessive selenium intake. It can be seen that the intake of selenium is extremely uneven in global distribution, so that how to scientifically and reasonably utilize selenium in the soil in natural selenium-rich areas and convert the advantages of selenium-rich soil resources into industrial advantages becomes an increasingly urgent problem.
Cadmium is one of five toxic elements, has strong chemical activity and durable toxicity. Excessive cadmium in farmland soil not only has an inhibiting effect on plant growth, but also can enter human bodies through food chains, and the accumulation of a certain dosage can also harm human health, and the accompanying phenomenon of selenium and cadmium is particularly prominent in southern areas.
The inventor provides a method for realizing the active selenium cadmium passivation of the rice field soil by utilizing microbial regulation and control through research on the selenium-rich soil in Guangxi, the method can improve the content of the exchange selenium in the selenium-rich soil, help the rice to enrich and reduce cadmium, and provide scientific basis and technical support for efficient and safe utilization of the soil resources in the natural selenium-rich area and high-quality development of the selenium-rich industry in the natural selenium-rich area.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a method for realizing live selenium cadmium passivation of paddy field soil by utilizing microbial regulation, which takes a microbial soil passivator as a base fertilizer and sprays an amino acid chelated selenium leaf fertilizer at the booting stage of rice, so that the effective cadmium content of the soil can be reduced, the effective selenium content of the soil can be improved, the selenium and cadmium of rice can be reduced, and scientific basis and technical support can be provided for efficient and safe utilization of soil resources in natural selenium-rich areas and high-quality development of selenium-rich industries in the natural selenium-rich areas.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for realizing paddy soil live selenium and cadmium passivation by utilizing microbial regulation comprises the following steps:
(1) When the rice is planted, a microbial soil passivator is applied as a base fertilizer; the microbial soil passivator is prepared by mixing the following components in parts by mass: 0.5-0.75 part of dry powder of the Chinese unicellular bacterium darkblack, 1-1.25 parts of dry powder of the colorless bacillus denitrificans, 20-35 parts of mineral source potassium fulvate and 40-50 parts of organic fertilizer; the application amount of the microbial soil passivator is 150-200 kg/mu;
(2) Spraying amino acid chelated selenium nutrient solution on leaf surfaces in the booting stage of rice, wherein the spraying amount is 400-600 mL/mu.
In the technical scheme, the preparation method of the dry powder of the Chinese unicellular darkblack bacteria comprises the following steps: inoculating the Chinese unicellular dark black strain TXB1-10 into LB culture solution according to the inoculation amount of 1.5 per mill, mixing uniformly, culturing for 2-3 days at 55 ℃ by anaerobic fermentation, centrifuging, collecting bacterial sludge, and freeze-drying to obtain the dry powder of the Chinese unicellular dark black strain.
In the technical scheme, the classification name of the Chinese unicellular dark black strain TXB1-10 is Sinomonas atrocyanea, and the preservation number is CCTCC No: m2020984.
In the technical scheme, the preparation method of the colorless denitrifying bacillus powder comprises the following steps: inoculating 1-5 parts of denitrifying achromobacter strain GPB into LB culture solution according to the inoculation amount of 1.5 per mill, mixing uniformly, carrying out anaerobic fermentation culture at 55 ℃ for 2-3d, centrifuging, collecting bacterial sludge, and freeze-drying to obtain the denitrifying achromobacter dry powder.
In the technical scheme, the strain GPB1-5 of Achromobacter denitrificans is classified as Achromobacter dentifrices with the preservation number of CCTCC No: m2020344.
In the technical scheme, the content of humic acid in the mineral source fulvic acid potassium is more than or equal to 55 percent, the content of fulvic acid is more than or equal to 50 percent, the content of potassium oxide is more than or equal to 12 percent, and the pH value is 8-10 in percentage by mass.
In the technical scheme, the organic matter content in the organic fertilizer is more than or equal to 45 percent by mass percent, and the content of N + P is more than or equal to 45 percent by mass percent2O5+K2The content of O is more than or equal to 5 percent.
In the technical scheme, the effective selenium content in the amino acid chelated selenium nutrient solution is 0.22 percent by mass.
Compared with the prior art, the invention has the following beneficial effects:
according to the method, the microbial soil passivator is used as a base fertilizer, and the amino acid chelated selenium leaf fertilizer is sprayed in the booting stage of the rice, so that the effective cadmium content of the soil can be reduced, the effective selenium content of the soil can be improved, the selenium and cadmium of the rice can be reduced, and scientific basis and technical support can be provided for efficient and safe utilization of soil resources in natural selenium-rich areas and high-quality development of selenium-rich industries in the natural selenium-rich areas.
Description of preservation information
The bacterial strain TXB1-10 of the Chinese unicellular bacterium (Sinomonas atrocyanea) has the preservation number of CCTCC No: m2020984, the preservation date is 2020, 12 and 28 days, the preservation unit is China center for type culture Collection, and the preservation address is Wuhan university No. 299 in the Wuchang district, wuhan city, hubei province.
Achromobacter denitrificans (Achromobacter denitiricans) strain GPB1-5 with the preservation number of CCTCC No: m2020344, wherein the preservation date is 2020, 07, 23 days, the preservation unit is China center for type culture Collection, and the preservation address is Wuhan university No. 299 in the Wuchang district, wuhan city, hubei province.
Drawings
FIG. 1 shows the content of cadmium available in the soil of different treated rice fields;
FIG. 2 shows the content of cadmium available in the soil of different treated rice fields;
FIG. 3 shows the selenium content absorbed and accumulated in the underground part of the rice treated differently;
FIG. 4 shows the cadmium content absorbed and accumulated in the underground part of rice treated differently.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following.
In the following examples, mineral source potassium fulvate was purchased from Shanxi forest sea humic acid technology Limited, implementing the standards: Q/LH005-2018.
The organic fertilizer is purchased from Nanning SpA-gold fertilizer industry Co., ltd, and comprises the following raw materials: chicken manure, tung bran, tea bran and tobacco powder, the execution standard is as follows: NY525-2012.
The LB culture solution formula: 10.0g of tryptone, 5.0g of yeast powder, 10.0g of sodium chloride and 1L of distilled water, wherein the pH value is 7.0 +/-0.2.
Example 1
A method for realizing paddy field soil live selenium and cadmium passivation by utilizing microbial regulation comprises the following steps:
(1) When the rice is planted, a microbial soil passivator is applied as a base fertilizer; the microbial soil passivator is prepared by mixing the following components in percentage by mass: 0.75kg of dry powder of the Chinese unicellular bacterium darkblack, 1.25kg of dry powder of the colorless bacillus denitrificans, 30kg of mineral source potassium fulvate and 45kg of organic fertilizer; the application amount of the microbial soil passivator is 150 kg/mu;
(2) And spraying amino acid chelated selenium nutrient solution on leaf surfaces in the booting period of the rice, wherein the spraying amount is 550 mL/mu.
The preparation method of the Chinese unicellular dark black dry powder comprises the following steps: inoculating the Chinese unicellular dark black strain TXB1-10 into LB culture solution according to the inoculation amount of 1.5 per mill, mixing uniformly, carrying out anaerobic fermentation culture at 55 ℃ for 3 days, centrifuging, collecting bacterial sludge, and freeze-drying to obtain the Chinese unicellular dark black dry powder.
The preparation method of the colorless denitrifying bacillus powder comprises the following steps: inoculating 1.5 per mill of denitrifying achromobacter strain GPB into LB culture solution, mixing uniformly, anaerobic fermentation culturing at 55 ℃ for 3d, centrifuging, collecting bacterial sludge, and freeze-drying to obtain the denitrifying achromobacter dry powder.
The content of humic acid in the mineral source fulvic acid potassium is more than or equal to 55 percent, the content of fulvic acid is more than or equal to 50 percent, the content of potassium oxide is more than or equal to 12 percent, and the pH value is 8-10; the organic matter content in the organic fertilizer is more than or equal to 45 percent, and N + P2O5+K2The content of O is more than or equal to 5 percent; the content of effective selenium in the amino acid chelated selenium nutrient solution is 0.22%.
Comparative example 1
The only difference from example 1 is: the microorganism soil passivator is lack of the dry powder of the Chinese unicellular bacterium darkblack.
Comparative example 2
The only difference from example 1 is: the microorganism soil passivator is lack of colorless denitrifying bacillus powder.
Example 2
1. Influence of soil conditioner on selenium enrichment and cadmium reduction of rice
1.1 taking rice as a research object, carrying out field tests on big leaves in Guangxi rattan county, and researching the method for realizing the live selenium and cadmium passivation of the rice field soil by utilizing microbial regulation.
1.2 test treatment
Treatment 1: before transplanting, compound fertilizer (15-15-15) is applied as base fertilizer with the application amount of 550 kg/mu;
and (3) treatment 2: the method of example 1 was employed;
and (3) treatment: the procedure of comparative example 1 was used;
and (4) treatment: the method of comparative example 2 was used;
each process was set up with 1 cell, cell area 50m2The planting density is 25 holes/m23-4 plants/hole, and the rest is managed according to the conventional method.
1.3 test results
Collecting plough layer soil treated by adopting a five-point sampling method in the mature period of the rice, and determining the content of effective cadmium and effective selenium in the soil; and collecting the underground part of the rice by a five-point sampling method, and determining the content of selenium and cadmium absorbed and accumulated by the underground part of the rice.
1.3.1 Effect on effective cadmium in Paddy field soil
The content of effective cadmium in the rice field soil of different treatments is shown in figure 1.
As can be seen from FIG. 1, the treatment 2 to the treatment 4 can reduce the content of available cadmium in the paddy soil compared with the treatment 1, i.e., the available cadmium in the soil is passivated, the cadmium passivation effects of the treatment 3 and the treatment 4 are equivalent, and the cadmium passivation effect of the treatment 2 is the best. The result shows that the cadmium-removing effect of adding the dry powder of the Chinese unicellular bacterium darkblack and the dry powder of the colorless bacillus denitrificans is better.
1.3.2 Effect on Rice field soil available selenium
The content of effective selenium in the rice field soil of different treatments is shown in figure 2.
As can be seen from fig. 2, compared with treatment 1, treatments 2 to 4 all activated the available selenium in the soil, and increased the available selenium content in the soil, while treatments 3 and 4 activated the selenium equally, and treatment 2 activated the selenium most effectively. The fact that the addition of the dry powder of the Chinese unicellular bacterium darkblack and the dry powder of the achromobacter denitrificans in the base fertilizer can activate the effective selenium in the soil is proved, but the effect is better when the 2 kinds of the dry powder are added at the same time.
1.3.3 Effect on the absorption and accumulation of selenium in the underground part of Rice
The content of selenium absorbed and accumulated in the lower part of the rice treated differently is shown in FIG. 3.
As can be seen from FIG. 3, compared with treatment 1, treatment 2 to treatment 4 can effectively improve the selenium absorption and accumulation of underground parts of the rice, the selenium enrichment effects of treatment 3 and treatment 4 are equivalent, and the selenium enrichment effect of treatment 2 is optimal.
1.3.4 Effect on the absorption and accumulation of cadmium in the underground part of the Rice
The content of cadmium absorbed and accumulated in the lower part of the rice treated differently is shown in FIG. 4.
As can be seen from FIG. 4, the cadmium absorbed and accumulated in the lower part of the rice was reduced in all of the treatments 2 to 4 as compared with the treatment 1, and the cadmium accumulated in the lower part of the rice in the treatments 3 and 4 was equivalent to each other, while the cadmium accumulated in the lower part of the rice in the treatment 2 was the least.
In conclusion, the method provided by the invention takes the microbial soil passivator as the base fertilizer, and the amino acid chelated selenium leaf fertilizer is sprayed in the booting stage of the rice, so that the effective cadmium content of the soil can be reduced, the effective selenium content of the soil can be improved, the selenium and cadmium of the rice can be reduced, and scientific basis and technical support can be provided for efficient and safe utilization of soil resources in natural selenium-rich areas and high-quality development of selenium-rich industries in the natural selenium-rich areas.
Claims (8)
1. A method for realizing paddy field soil live selenium and cadmium passivation by utilizing microbial regulation is characterized by comprising the following steps:
(1) When the rice is planted, a microbial soil passivator is applied as a base fertilizer; the microbial soil passivator is prepared by mixing the following components in parts by mass: 0.5-0.75 part of dry powder of the Chinese unicellular bacterium darkblack, 1-1.25 parts of dry powder of the colorless bacillus denitrificans, 20-35 parts of mineral source potassium fulvate and 40-50 parts of organic fertilizer; the application amount of the microbial soil passivator is 150-200 kg/mu;
(2) Spraying amino acid chelated selenium nutrient solution on leaf surfaces in the booting stage of rice, wherein the spraying amount is 400-600 mL/mu.
2. The method for realizing the live selenium and cadmium passivation of the paddy field soil by utilizing microbial regulation and control according to claim 1, wherein the preparation method of the dry powder of the Chinese unicellular bacterium darkblack comprises the following steps: inoculating the Chinese unicellular dark black strain TXB1-10 into LB culture solution according to the inoculation amount of 1.5 per mill, mixing uniformly, culturing for 2-3 days at 55 ℃ by anaerobic fermentation, centrifuging, collecting bacterial sludge, and freeze-drying to obtain the dry powder of the Chinese unicellular dark black strain.
3. The method for realizing the live selenium and cadmium passivation of the rice field soil by utilizing the microbial regulation and control according to claim 2, wherein the Sinomonas atrophaeus strain TXB1-10 is classified as Sinomonas atrocyanea with the preservation number of CCTCC No: m2020984.
4. The method for realizing the live selenium and cadmium passivation of paddy field soil by utilizing microbial regulation and control as claimed in claim 1, wherein the preparation method of the colorless denitrifying bacillus is as follows: inoculating 1-5 parts of denitrifying achromobacter strain GPB into LB culture solution according to the inoculation amount of 1.5 per mill, mixing uniformly, carrying out anaerobic fermentation culture at 55 ℃ for 2-3d, centrifuging, collecting bacterial sludge, and freeze-drying to obtain the denitrifying achromobacter dry powder.
5. The method for realizing paddy field soil living selenium cadmium passivation by utilizing microbial regulation as claimed in claim 4, wherein the Achromobacter denitrificans strain GPB1-5 is classified under Achromobacter denitiricicans with the preservation number of CCTCC No: m2020344.
6. The method for realizing the active selenium cadmium passivation of the paddy field soil by utilizing the microbial regulation and control as claimed in claim 1, wherein the mineral source potassium fulvate contains, by mass, not less than 55% of humic acid, not less than 50% of fulvic acid, not less than 12% of potassium oxide, and has a pH of 8-10.
7. The method for realizing paddy field soil active selenium and cadmium passivation by utilizing microbial regulation and control as claimed in claim 1, wherein the organic matter content in the organic fertilizer is more than or equal to 45% by mass percent, and the N + P content is N + P2O5+K2The content of O is more than or equal to 5 percent.
8. The method for realizing the active selenium and cadmium passivation in the paddy soil by utilizing the microbial regulation and control as claimed in claim 1, wherein the content of the effective selenium in the amino acid chelated selenium nutrient solution is 0.22 percent by mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210858976.7A CN115259965A (en) | 2022-07-21 | 2022-07-21 | Method for realizing paddy soil live selenium and cadmium passivation by utilizing microbial regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210858976.7A CN115259965A (en) | 2022-07-21 | 2022-07-21 | Method for realizing paddy soil live selenium and cadmium passivation by utilizing microbial regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115259965A true CN115259965A (en) | 2022-11-01 |
Family
ID=83766330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210858976.7A Pending CN115259965A (en) | 2022-07-21 | 2022-07-21 | Method for realizing paddy soil live selenium and cadmium passivation by utilizing microbial regulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115259965A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114196591A (en) * | 2021-12-24 | 2022-03-18 | 康生元(肇庆)生物科技有限公司 | Chinese xanthomonas flavum strain KY592 with passivation effect on heavy metal cadmium and application thereof |
| CN117646037A (en) * | 2023-12-04 | 2024-03-05 | 湖北师范大学 | Cadmium resistance control agent and method for reducing cadmium content in paddy by using same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104152377A (en) * | 2014-07-31 | 2014-11-19 | 上海交通大学 | Heavy-metal-tolerant aerobic denitrification strain and application thereof |
| CN105802890A (en) * | 2016-04-27 | 2016-07-27 | 中南民族大学 | Achromobacter CZ207 strain capable of resisting heavy metal and promoting plant growth and application thereof |
| CN109912358A (en) * | 2019-04-30 | 2019-06-21 | 广西壮族自治区农业科学院 | A kind of selenium-enriched high-calcium preparation method of organic fertilizer for dragon fruit |
| CN113372147A (en) * | 2021-06-30 | 2021-09-10 | 广西壮族自治区农业科学院 | Special bacterial fertilizer for selenium-rich vegetables and preparation method thereof |
| CN114196591A (en) * | 2021-12-24 | 2022-03-18 | 康生元(肇庆)生物科技有限公司 | Chinese xanthomonas flavum strain KY592 with passivation effect on heavy metal cadmium and application thereof |
-
2022
- 2022-07-21 CN CN202210858976.7A patent/CN115259965A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104152377A (en) * | 2014-07-31 | 2014-11-19 | 上海交通大学 | Heavy-metal-tolerant aerobic denitrification strain and application thereof |
| CN105802890A (en) * | 2016-04-27 | 2016-07-27 | 中南民族大学 | Achromobacter CZ207 strain capable of resisting heavy metal and promoting plant growth and application thereof |
| CN109912358A (en) * | 2019-04-30 | 2019-06-21 | 广西壮族自治区农业科学院 | A kind of selenium-enriched high-calcium preparation method of organic fertilizer for dragon fruit |
| CN113372147A (en) * | 2021-06-30 | 2021-09-10 | 广西壮族自治区农业科学院 | Special bacterial fertilizer for selenium-rich vegetables and preparation method thereof |
| CN114196591A (en) * | 2021-12-24 | 2022-03-18 | 康生元(肇庆)生物科技有限公司 | Chinese xanthomonas flavum strain KY592 with passivation effect on heavy metal cadmium and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114196591A (en) * | 2021-12-24 | 2022-03-18 | 康生元(肇庆)生物科技有限公司 | Chinese xanthomonas flavum strain KY592 with passivation effect on heavy metal cadmium and application thereof |
| CN114196591B (en) * | 2021-12-24 | 2023-07-14 | 康生元(肇庆)生物科技有限公司 | Pseudomonas flavescens strain KY592 with passivation effect on heavy metal cadmium and application thereof |
| CN117646037A (en) * | 2023-12-04 | 2024-03-05 | 湖北师范大学 | Cadmium resistance control agent and method for reducing cadmium content in paddy by using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106905980B (en) | Heavy metal soil remediation agent, preparation method and application thereof in sludge digestion | |
| CN103988682B (en) | A kind of cultural method of Camellia sinensis | |
| CN100396652C (en) | Biological orgamic fertilizer and prepn thereof | |
| CN100451105C (en) | Bacillus laterosporus and soil inoculation agent prepared from the strain | |
| CN115259965A (en) | Method for realizing paddy soil live selenium and cadmium passivation by utilizing microbial regulation | |
| CN104672009A (en) | Multifunctional active organic fertilizer and preparation method thereof | |
| CN101096033A (en) | Method for restoring cadmium polluted soil by using amaranth | |
| CN105950520B (en) | A kind of rhizobium of efficient phosphate-solubilizing and its application | |
| CN104496664A (en) | Preparation method of elemental selenium-enriched preparation | |
| CN105964680B (en) | A kind of beach saline land continuous cropping cotton soil ecology renovation agent and the preparation method and application thereof | |
| CN112496020A (en) | Restoration method for reducing effective state of heavy metal in farmland soil | |
| CN110681692A (en) | Method for repairing heavy metal contaminated soil | |
| CN105503391A (en) | Functional foliage fertilizer for preventing and controlling powdery mildew of tomatoes and cucumbers and application | |
| CN112592866A (en) | Carbon-based microbial agent for soil remediation and preparation method and application thereof | |
| CN115717076A (en) | Preparation method and application of saline-alkali soil ecological modifier | |
| CN110639946B (en) | Method for reducing heavy metal cadmium in plants | |
| CN101463338B (en) | Bacillus subtilis and use thereof for degrading imazethapyr | |
| CN108707035A (en) | A kind of tea tree high-performance bio bacterial manure and the preparation method and application thereof | |
| CN105367307A (en) | Selenium-rich biological agent for improving activity of microbes in soil and preparation method of selenium-rich biological agent | |
| CN107027620B (en) | Breeding method of plant rich in selenium and gamma-aminobutyric acid simultaneously | |
| CN110981638A (en) | Biological organic fertilizer with saline-alkali soil improvement effect and preparation process thereof | |
| CN108658683A (en) | A kind of vegetables high-performance bio bacterial manure and the preparation method and application thereof | |
| CN111819946B (en) | Comprehensive improvement method for rice field soil ecological environment | |
| CN111302857B (en) | Water-soluble organic biological bacterial fertilizer for drip irrigation tomatoes and preparation method thereof | |
| CN103772012A (en) | Method for producing compound microorganism fertilizer through micro-biological degradation of enteromorpha and application of compound microorganism fertilizer |
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 |