CN107125242A - Application of 5 amino-laevulic acids in reduction Cadmium in Rice accumulation - Google Patents
Application of 5 amino-laevulic acids in reduction Cadmium in Rice accumulation Download PDFInfo
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- CN107125242A CN107125242A CN201710531409.XA CN201710531409A CN107125242A CN 107125242 A CN107125242 A CN 107125242A CN 201710531409 A CN201710531409 A CN 201710531409A CN 107125242 A CN107125242 A CN 107125242A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
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- 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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The invention provides a kind of application of 5 amino-laevulic acid in reduction Cadmium in Rice accumulation, it is related to Rice Cropping technical field, the present invention is during the Rice Cropping of cadmium pollution soil, and concentration carries out spraying processing for 80~120mg/L 5 amino-laevulic acid solution to rice leaf.5 amino-laevulic acid solution of above-mentioned concentration to rice leaf spray the cadmium content for the brown rice that can be substantially reduced after processing in rice, the cadmium content for the brown rice planted in cadmium pollution soil is reduced to below 0.12mg/kg, provide that the maximum limit standard of heavy metal cadmium content in brown rice is 0.2mg/kg far below China.The application process has with low cost, and the advantage of special instrument is not needed in application process, meanwhile, field management is agriculture conventional method during Rice Cropping, reduces the difficulty of application operating.
Description
Technical field
The present invention relates to Rice Cropping technical field, more particularly, to a kind of 5-ALA in reduction paddy rice body
Application in Cd accumulation.
Background technology
With continuing to develop for China's economy, industrial or agricultural environmental pollution is increasingly severe, and a huge sum of money for water body and soil
Category pollution also increasingly affects the popular daily production and living problem of our people.Especially heavy-metal contaminated soil problem is increasingly
Significant threat as local environment, contaminated area and degree are in rising trend, to China's agricultural production security and people's health
Serious risk and harm are brought, cereal crops product safety problem is increasingly paid attention to by the Chinese government and the people.
Paddy rice is originated as Chinese topmost grain, while being also most important cereal crops and the consumer goods, in the world
Important role is also acted as in grain security.As pollution of the heavy metal in rice field is increasingly severe, paddy rice is not only reduced
Yield and quality, and enrichment and accumulation by heavy metal in rice compromise the healthy of the mankind through food chain
With pollute our living environment.It is reported that 300,000,000 mu of soils that China accounts for national farmland total value 1/6 are invaded by heavy metal
Dye.Influence of the heavy metal pollution of crops to the food security and agricultural economy of China all should not be underestimated.And cadmium is in soil
In exceeding standard rate highest, the pollution to China rice field and rice is more serious, be restrict rice safety production it is most important because
Element.
In existing reduction cadmium pollution soil in paddy rice body Cd accumulation method include heavy metal pollution of soil, leaching method, solidification method and
The methods such as microorganism remediation, but these methods are not only costly, complex operation, need special instrument, and these methods
Cycle is very long to be both needed to Fallow crop rotation and is not appropriate for few national conditions of ploughing Chinese people more.
Therefore, the research for hindering control technology to cadmium during Rice Cropping is extremely urgent, researchs and develops a kind of in paddy rice
The method that can obviously reduce Cadmium in Rice content is applied in planting process, alleviates the side of existing reduction Cadmium in Rice content
Method is costly, complex operation, special instrument and cycle very long shortcoming are needed, with very necessary and urgent society
Economic implications.
In view of this, it is special to propose the present invention.
The content of the invention
The first object of the present invention is to provide a kind of 5-ALA answering in reduction Cadmium in Rice accumulation
Can substantially reduce the content of cadmium in rice with, 5-ALA, the application process have it is with low cost, simple to operate,
Special instrument and application cycle short advantage are not needed in application process.
Application of the 5-ALA that the present invention is provided in reduction Cadmium in Rice accumulation, described application be
During the Rice Cropping of cadmium pollution soil, concentration is 80~120mg/L 5-ALA solution to Rice Leaf
Face carries out spraying processing.
Further, what the 5-ALA solution was prepared after being mixed for 5-ALA with water is water-soluble
Liquid.
Further, the water is distilled water.
Further, the concentration of the 5-ALA solution is 90~110mg/L.
Further, the concentration of the 5-ALA solution is 100mg/L.
Further, the time for spraying processing is the 1st after rice seedling, tillering stage, heading early stage and blooming stage
~14 days.
Further, the amount of spraying for spraying processing adheres to full water pearl to spray to rice leaf, under liquid starts
Untill drop.
Further, the cadmium concentration in the cadmium pollution soil is 1.3~1.6mg/kg.
Further, the pH value of the cadmium pollution soil is 5~6, and preferable ph is 5.5.
Further, the kind of the paddy rice is excellent No. 9 of river in Zhejiang Province.
Compared with prior art, beneficial effects of the present invention are：
The invention provides a kind of new opplication of 5-ALA, during the Rice Cropping of cadmium pollution soil,
Concentration carries out spraying processing for 80~120mg/L 5-ALA solution to rice leaf.The 5- of above-mentioned concentration
Amino-laevulic acid solution carries out substantially reducing the content of cadmium in rice after spraying processing to rice leaf, makes in cadmium pollution
The cadmium content for the brown rice planted in soil is reduced to below 0.12mg/kg, far below heavy metal cadmium content in China's regulation brown rice
Maximum limit standard be 0.2mg/kg.The application process has with low cost, and special instrument is not needed in application process
Advantage, meanwhile, field management is agriculture conventional method during Rice Cropping, reduces the difficulty of application operating.
In addition, the present invention only need to during Rice Cropping concentration be 80~120mg/L 5-ALA
Solution, which to rice leaf spray, handles the Cd accumulation that can obviously reduce in paddy rice body, and existing reduction is alleviated well
The method of Cd accumulation is required to Fallow crop rotation in paddy rice body in cadmium pollution soil, not only repairing efficiency length but also asking of wasting time and energy
Topic.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is a part of embodiment of the invention to apply example, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
According to an aspect of the present invention, application of the 5-ALA in reduction Cadmium in Rice accumulation, described
Application be included in during the Rice Cropping of cadmium pollution soil, concentration be 80~120mg/L 5-ALA
Solution carries out spraying processing to rice leaf.
5-ALA, as the prefix compound of nafoxidine, is organism synthesis chlorophyll, ferroheme, dimension life
The element that these materials such as plain B12 can not lack, the invention provides a kind of new opplication of 5-ALA, by applying
Plus external source 5-ALA, it can effectively alleviate toxic action of the Cd stress to paddy rice, and then make the content of cadmium in rice
Less than the limit standard of national regulation.In addition, 5-ALA is institute's proper constituent in paddy rice body, have no toxic side effect, no
The normal growth and development of paddy rice, and wide material sources are influenceed, it is cheap.
The invention provides a kind of new opplication of 5-ALA, during the Rice Cropping of cadmium pollution soil,
Concentration carries out spraying processing for 80~120mg/L 5-ALA solution to rice leaf.The 5- of above-mentioned concentration
Amino-laevulic acid solution carries out substantially reducing the content of cadmium in rice after spraying processing to rice leaf, makes in cadmium pollution
The cadmium content for the brown rice planted in soil is reduced to below 0.12mg/kg, far below heavy metal cadmium content in China's regulation brown rice
Maximum limit standard be 0.2mg/kg.The application process has with low cost, and special instrument is not needed in application process
Advantage, meanwhile, field management is agriculture conventional method during Rice Cropping, reduces the difficulty of application operating.
In the preferred embodiment of the present invention, the 5-ALA solution be 5-ALA with
The aqueous solution prepared after water mixing.
As a preferred embodiment, the present invention external source 5-ALA is mixed with water after prepare it is water-soluble
Liquid can make what external source 5-ALA was more uniformly distributed to spray in rice leaf.
In above-mentioned preferred embodiment, the water is distilled water.Distilled water is to make water vapour using distillation equipment, so
After vapor is congealed into water, the distilled water prepared eliminates heavy metal ion.Present invention application distilled water prepares 5- amino
Levulic acid solution, can avoid influence of the heavy metal ion in water to experiment, and the result of the experiment made is more accurate.
In the preferred embodiment of the present invention, the concentration of the 5-ALA solution is 90~110mg/
L。
In above-mentioned preferred embodiment, the concentration of the 5-ALA solution is 100mg/L.
In the present invention, by the further adjustment and optimization to 5-ALA solution concentration, so that further excellent
Application of the 5-ALA of the present invention in reduction Cadmium in Rice accumulation is changed.
In the preferred embodiment of the present invention, the time for spraying processing is rice seedling, tillering stage, heading
The 1st~14 day after early stage and blooming stage.
As a preferred embodiment, the present invention after rice seedling, tillering stage, heading early stage and blooming stage the
Rice leaf was carried out in 1~14 day spraying processing.
In above-mentioned preferred embodiment, the amount of spraying for spraying processing adheres to full water pearl to spray to rice leaf,
Untill liquid starts lower drop.
It is preferred that, it is described spray processing in 5-ALA solution the amount of spraying for every mu 300~350L/ days.
It is furthermore preferred that it is described spray processing in 5-ALA solution the amount of spraying for every mu 330L/ days.
In the preferred embodiment of the present invention, the cadmium concentration in the cadmium pollution soil is 1.3~1.6mg/kg.
Content of the cadmium in natural soils is usually that performance is relatively low, and will not the mankind be caused with very big harm, the soil of China
It is 0.097mg/kg that earth cadmium background value, which is about,.The present invention is that cadmium concentration is 1.3~1.6mg/kg for the soil of rice cultivation,
For the soil of heavy metal cadmium severe contamination.
In above-mentioned preferred embodiment, the pH value of the cadmium pollution soil is 5~6, and preferable ph is 5.5.
It has been investigated that, the soil of different pH value is accumulated to the cadmium element of Cd stress paddy rice has adjustment effect, the present invention
Using pH value for 5~6 cadmium pollution soil carry out Rice Cropping, can exclude due to pH value difference formed by Cd stress
The influence of the cadmium element accumulation of paddy rice, and then preferably prove skill of the 5-ALA in reduction Cadmium in Rice accumulation
Art effect.
In the preferred embodiment of the present invention, the kind of the paddy rice is excellent No. 9 of river in Zhejiang Province.
As a preferred embodiment, excellent No. 9 of river in Zhejiang Province is round-grained rice type series of three-series hybrid rice kind.Make single in the middle and lower reach of Yangtze River
Season late rice plantation, it has, and plant type is moderate, growing way is in great numbers, the ripe preferable advantage of phase annesl, but excellent No. 9 of river in Zhejiang Province is to the degeneration-resistant of Cd stress
Property it is not strong, belong to cadmium height accumulation rice varieties, the present invention can preferably prove 5-ALA using excellent No. 9 paddy rice in river in Zhejiang Province
Technique effect in reduction Cadmium in Rice accumulation.
Technical scheme is described further below in conjunction with embodiment.
Following each embodiments are experiment kind with excellent No. 9 of main cultivated rice cultivars river in Zhejiang Province, Zhejiang Province, cadmium concentration be 1.3~
1.6mg/kg, the pH value of soil is plantation in 5~6 cadmium pollution soil.
In each following embodiment, Rice Cropping pattern is：Often handle 2.35 × 2.55m=6m of cell floor space2, product
Inter-species interval 0.4m, seeding row spacing 0.3m × 0.2m, are 125 clumps, per ridge building between cell and add plastic foil antiseepage, each handle into
3 repetitions of row.Unless otherwise specified, site preparation, nursery, transplanting, field management are agriculture conventional method.
Embodiment 1
First, 5-ALA is configured to the aqueous solution that concentration is 80mg/L with distilled water, then in cadmium pollution
During the Rice Cropping of soil, using above-mentioned 5-ALA solution is in rice seedling, tillering stage, heading early stage and raises
Continuously rice leaf is carried out to spray processing within the 1st~14 day after florescence, spray the spray of 5-ALA solution in processing
The amount of applying be every mu 330L/ days.The whole planting process of paddy rice is carried out using conventional farming method.
Embodiment 2
First, 5-ALA is configured to the aqueous solution that concentration is 120mg/L with distilled water, then in cadmium pollution
During the Rice Cropping of soil, using above-mentioned 5-ALA solution is in rice seedling, tillering stage, heading early stage and raises
Continuously rice leaf is carried out to spray processing within the 1st~14 day after florescence, spray the spray of 5-ALA solution in processing
The amount of applying be every mu 330L/ days.The whole planting process of paddy rice is carried out using conventional farming method.
Embodiment 3
First, 5-ALA is configured to the aqueous solution that concentration is 110mg/L with distilled water, then in cadmium pollution
During the Rice Cropping of soil, using above-mentioned 5-ALA solution is in rice seedling, tillering stage, heading early stage and raises
Continuously rice leaf is carried out to spray processing within the 1st~14 day after florescence, spray the spray of 5-ALA solution in processing
The amount of applying be every mu 330L/ days.The whole planting process of paddy rice is carried out using conventional farming method.
Embodiment 4
First, 5-ALA is configured to the aqueous solution that concentration is 90mg/L with distilled water, then in cadmium pollution
During the Rice Cropping of soil, using above-mentioned 5-ALA solution is in rice seedling, tillering stage, heading early stage and raises
Continuously rice leaf is carried out to spray processing within the 1st~14 day after florescence, spray the spray of 5-ALA solution in processing
The amount of applying be every mu 330L/ days.The whole planting process of paddy rice is carried out using conventional farming method.
Embodiment 5
First, 5-ALA is configured to the aqueous solution that concentration is 100mg/L with distilled water, then in cadmium pollution
During the Rice Cropping of soil, using above-mentioned 5-ALA solution is in rice seedling, tillering stage, heading early stage and raises
Continuously rice leaf is carried out to spray processing within the 1st~14 day after florescence, spray the spray of 5-ALA solution in processing
The amount of applying be every mu 330L/ days.The whole planting process of paddy rice is carried out using conventional farming method.
Comparative example 1
During the Rice Cropping of cadmium pollution soil, using distilled water is in rice seedling, tillering stage, heading early stage and raises
Continuously rice leaf is carried out to spray processing within the 1st~14 day after florescence, the amount of spraying for spraying distilled water in processing is every mu
330L/ days.The whole planting process of paddy rice is carried out using conventional farming method.
Comparative example 2
First, 5-ALA is configured to the aqueous solution that concentration is 70mg/L with distilled water, then in cadmium pollution
During the Rice Cropping of soil, using above-mentioned 5-ALA solution is in rice seedling, tillering stage, heading early stage and raises
Continuously rice leaf is carried out to spray processing within the 1st~14 day after florescence, spray the spray of 5-ALA solution in processing
The amount of applying be every mu 330L/ days.The whole planting process of paddy rice is carried out using conventional farming method.
Comparative example 3
First, 5-ALA is configured to the aqueous solution that concentration is 130mg/L with distilled water, then in cadmium pollution
During the Rice Cropping of soil, using above-mentioned 5-ALA solution is in rice seedling, tillering stage, heading early stage and raises
Continuously rice leaf is carried out to spray processing within the 1st~14 day after florescence, spray the spray of 5-ALA solution in processing
The amount of applying be every mu 330L/ days.The whole planting process of paddy rice is carried out using conventional farming method.
The Agronomic Traits in Rice of effect example 1 is analyzed
The paddy rice of embodiment 1~5 and the plant of 1~3 kind of comparative example is gathered into Plant samples before cutting, and investigates do not exist together respectively
The agronomic shapes such as plant height, spike number, grain number per spike, mass of 1000 kernel and the setting percentage of Rice under Condition are managed, its result is as shown in the table：
As shown in upper table, concentration is sprayed for 80~120mg/L 5-ALA solution to rice leaf
Processing is applied, little is influenceed on the overall economical character of rice maturity.The control group phase sprayed with comparative example 1 using distilled water
Than, under the 5-ALA solution processing of the embodiment of the present invention 1~5 and comparative example 2 and comparative example 3, Plant Height of Rice,
Spike number, grain number per spike, mass of 1000 kernel and setting percentage are all without significant changes, and paddy rice knot fringe, growth situation is good, is not affected by very big influence.
Therefore, concentration does not have very big shadow for 80~120mg/L 5-ALA solution to the overall economical character of rice plant
Ring, i.e., concentration does not have bad influence, 5- glycyls to rice plant for 80~120mg/L 5-ALA solution
The effect of propionic acid reduction Cadmium in Rice accumulation is not due to obtained from the growth of limitation rice plant.
Effect example 2
By the paddy rice ripe and harvested of 1~3 kind of plant of embodiment 1~5 and comparative example after 60~70 DEG C of drying to constant weight, by water
Rice seed is shelled with hulling machine, obtains brown rice；Then the cadmium content of brown rice of the application conventional methods to obtaining is measured,
Its measurement result is as shown in the table：
As seen from the above table, compared with the control group that comparative example 1 is sprayed using distilled water, the concentration of embodiment 1~5
The cadmium content for spray after processing in Brown Rice to rice leaf for 80~120mg/L 5-ALA solution shows
Write and decline, the cadmium content for the brown rice that embodiment 1~5 is planted in cadmium pollution soil is reduced to below 0.12mg/kg, is far below
China provides that the maximum limit standard of heavy metal cadmium content in brown rice is 0.2mg/kg, therefore, in the rice seed of cadmium pollution soil
During plant, concentration carries out spraying processing for 80~120mg/L 5-ALA solution to rice leaf, can be with
Toxic action of the Cd stress to paddy rice is relieved, the accumulation of cadmium element in Brown Rice can be reduced, and effect is significantly, its
In, it is rough that the concentration of embodiment 5 to rice leaf spray paddy rice after processing for 100mg/L 5-ALA solution
Cadmium content in rice is only 0.099mg/kg, its best results.
By using the 5-ALA solution beyond concentration range of the present invention to water with comparative example 2 and comparative example 3
The progress of rice blade face sprays the result obtained after processing and compared, as seen from the above table, and the cadmium content of the brown rice of 2 kinds of plants of comparative example is
0.21mg/kg, the cadmium content of the brown rice of 3 kinds of plants of comparative example is 0.18mg/kg, and its effect is significantly lower than the embodiment of the present invention 1
Cadmium content in~5 brown rice planted in cadmium pollution soil.Therefore, using the 5- glycyls third outside concentration range of the present invention
Acid solution spray handling to rice leaf can not reach the technique effect of the content of cadmium in present invention reduction rice.
In summary, the present invention is during the Rice Cropping of cadmium pollution soil, and concentration is 80~120mg/L 5-
Amino-laevulic acid solution carries out spraying processing to rice leaf.The 5-ALA solution of above-mentioned concentration is to rice leaf
Progress can substantially reduce the content of cadmium in rice after spraying processing, make the cadmium content drop of brown rice planted in cadmium pollution soil
As little as below 0.12mg/kg, provides that the maximum limit standard of heavy metal cadmium content in brown rice is 0.2mg/kg far below China.Should
Application process has with low cost, and the advantage of special instrument is not needed in application process, meanwhile, the field during Rice Cropping
Between management be agriculture conventional method, reduce the difficulty of application operating.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- Application of the 1.5- amino-laevulic acids in reduction Cadmium in Rice accumulation, it is characterised in that in the water of cadmium pollution soil During seed rice is planted, concentration carries out spraying processing for 80~120mg/L 5-ALA solution to rice leaf.
- 2. application according to claim 1, it is characterised in that the 5-ALA solution is 5- glycyls third The aqueous solution that acid is prepared after being mixed with water.
- 3. application according to claim 2, it is characterised in that the water is distilled water.
- 4. application according to claim 1, it is characterised in that the concentration of the 5-ALA solution is 90~ 110mg/L。
- 5. application according to claim 1, it is characterised in that the concentration of the 5-ALA solution is 100mg/ L。
- 6. application according to claim 1, it is characterised in that the time for spraying processing be rice seedling, tillering stage, The 1st~14 day after early stage of earing and blooming stage.
- 7. application according to claim 1, it is characterised in that the amount of spraying for spraying processing is to spray to rice leaf Adhere to full water pearl, untill liquid starts lower drop.
- 8. application according to claim 1, it is characterised in that cadmium concentration in the cadmium pollution soil for 1.3~ 1.6mg/kg。
- 9. application according to claim 1, it is characterised in that the pH value of the cadmium pollution soil is 5~6, preferable ph For 5.5.
- 10. the application according to any one of claim 1~9, it is characterised in that the kind of the paddy rice is excellent No. 9 of river in Zhejiang Province.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710531409.XA CN107125242A (en) | 2017-07-03 | 2017-07-03 | Application of 5 amino-laevulic acids in reduction Cadmium in Rice accumulation |
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| CN201710531409.XA CN107125242A (en) | 2017-07-03 | 2017-07-03 | Application of 5 amino-laevulic acids in reduction Cadmium in Rice accumulation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108377869A (en) * | 2018-03-16 | 2018-08-10 | 佛山市三水区嘉信农业技术研究院（普通合伙） | A kind of black rice implantation methods rich in various trace elements |
| CN114478116A (en) * | 2022-01-24 | 2022-05-13 | 江西普瑞丰生态科技有限公司 | Lodging-resistant selenium-rich foliage resistance and control agent and preparation method thereof |
| CN115024173A (en) * | 2022-06-17 | 2022-09-09 | 浙江理工大学 | Application of combination of 5-aminolevulinic acid and sodium metasilicate nonahydrate in improving active ingredients of salvia miltiorrhiza under heavy metal cadmium stress |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377869A (en) * | 2018-03-16 | 2018-08-10 | 佛山市三水区嘉信农业技术研究院（普通合伙） | A kind of black rice implantation methods rich in various trace elements |
| CN114478116A (en) * | 2022-01-24 | 2022-05-13 | 江西普瑞丰生态科技有限公司 | Lodging-resistant selenium-rich foliage resistance and control agent and preparation method thereof |
| CN114478116B (en) * | 2022-01-24 | 2023-01-03 | 江西普瑞丰生态科技有限公司 | Lodging-resistant selenium-rich foliage resistance control agent and preparation method thereof |
| CN115024173A (en) * | 2022-06-17 | 2022-09-09 | 浙江理工大学 | Application of combination of 5-aminolevulinic acid and sodium metasilicate nonahydrate in improving active ingredients of salvia miltiorrhiza under heavy metal cadmium stress |
| CN115024173B (en) * | 2022-06-17 | 2024-01-16 | 浙江理工大学 | Application of combination of 5-aminolevulinic acid and sodium metasilicate nonahydrate in improving active ingredients of red sage root under heavy metal cadmium stress |
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