CN104478556A - Special foliar spray agent for tobacco and preparation method and using method of spray agent - Google Patents
Special foliar spray agent for tobacco and preparation method and using method of spray agent Download PDFInfo
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- CN104478556A CN104478556A CN201410652965.9A CN201410652965A CN104478556A CN 104478556 A CN104478556 A CN 104478556A CN 201410652965 A CN201410652965 A CN 201410652965A CN 104478556 A CN104478556 A CN 104478556A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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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
- C05D9/02—Other inorganic fertilisers containing trace elements
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- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a special foliar spray agent for tobacco and a preparation method and a using method of the spray agent. According to the main aims, absorption and transfer of cadmium Cd in tobacco xylem are inhibited by virtue of the foliar spray agent, the Cd content of the tobacco can be simply, rapidly and effectively reduced, and the content of potassium in the tobacco body is increased. With the adoption of the technical scheme in the invention, the special foliar spray agent for tobacco comprises n liters of mixed solution consisting of 0.005n-0.015n liter of a coalescing agent and 0.985n-0.995n liter of water, wherein 0.5n-1.5n grams of potassium fulvate and 0.2n-0.4n gram of zinc sulfate are dissolved in the n liters of mixed solution, and n is more than 0. The preparation method comprises the following steps: oscillating and uniformly shaking the n liters of mixed solution dissolved with the potassium fulvate and zinc sulfate, and forming the special foliar spray agent for tobacco. The special foliar spray agent for tobacco is sprayed to tobacco leaves until the tobacco leaves are mature according to the preset time interval.
Description
Technical field
The present invention relates to a kind of spray, particularly relate to one and to grow tobacco special foliar spray agent, preparation method and using method.
Background technology
Cadmium (Cadmium, Cd) bio-toxicity is comparatively strong, is classified as first kind carcinogenic substance by world's cancer research tissue.China's farmland Cd main source has atmospheric precipitation, high cadmium phosphate fertilizer, feces of livestock and poultry, sewage irrigation etc., and increases the Cd content in soil with the speed of annual 0.004mg/kg, and therefore Cd primarily should monitor element as farm environment risk.The portion " national Investigation of Soil Pollution publication " of national environmental protection portions in 2014 and Ministry of Land and Resources also points out that Cd Pollution in Soil point position exceeding standard rate is the highest, reaches 7.0%.In contaminated soil, Cd is active strong, is easily absorbed by plants, is detrimental to health after entering food chain; The food that long-term absorption Cd content is higher can cause animal and some histoorgan pathology even canceration of human body.Therefore, the focus that plant Cd content becomes food and health field is reduced.
Current reduction tobacco Cd content is many absorbs angle from tobacco root, by reducing Cd available state concentration in soil, reduces Root Absorption.The technology of current reduction tobacco Cd content mainly contains: tobacco recovery technique, namely utilizes the Cd in super enrichment Cd tobacco absorption contaminated soil, reduces Cd concentration in soil; In-situ passivation technology, namely by adding a certain amount of material with absorption fixation of Cd ability in Cd contaminated soil, such as red mud, flyash, stalk, biological compost etc., the enable Cd form effectively absorbed by tobacco, to invalid form transformation, controls the absorption and accumulation of tobacco Cd; Use Associated Antagonistic Elements technology, namely by adding external source competition element, the translocator on minimizing tobacco cell film is to the transhipment of Cd.But these technology exist some shortcomings, such as, in tobacco recovery technique, super enrichment tobacco screening has randomness, and program is loaded down with trivial details, and super accumulation ability genetic stability can not ensure; Super enrichment biological tobacco amount is little, and the speed of growth is slow, makes soil Cd concentration reach reparation target consuming time longer; After super enrichment tobacco enrichment Cd, the residual body of tobacco is dealt with improperly and can be caused secondary pollution.In position in passivating technique, passivating agent composition is complicated, be difficult to commercialization, and the long-term effect reducing land for growing field crops tobacco Cd content lacks checking, in-situ passivation technology does not thoroughly reduce Cd content in soil simultaneously, cause the Cd of fixing absorption again to change active stronger form into possibly once edatope condition changes, again absorbed by tobacco, cause secondary pollution.Using in Associated Antagonistic Elements technology, reducing tobacco Cd content effect less, only can reduce tobacco Cd content as supplementary means.
Summary of the invention
In view of this, the embodiment of the present invention provides one to grow tobacco special foliar spray agent, preparation method and using method.Main purpose is: simply, fast and effeciently reduce tobacco Cd content.
For achieving the above object, the embodiment of the present invention mainly provides following technical scheme:
On the one hand, the embodiment of the present invention provides one to grow tobacco special foliar spray agent, comprising:
N rises mixed solution;
The potassium fulvate being dissolved with 0.5n ~ 1.5n gram is risen in mixed solution at described n;
And, the zinc sulfate being dissolved with 0.2n ~ 0.4n gram is risen in mixed solution at described n;
Wherein, described n>0;
Described n rises mixed solution and comprises: the film coalescence aid that 0.005n liter ~ 0.015n rises, and the water that 0.985n liter ~ 0.995n rises.
Optionally, foregoing tobacco special foliar spray agent, wherein, described film coalescence aid is tween 80.
Optionally, foregoing tobacco special foliar spray agent, wherein, described n rises in mixed solution the potassium fulvate being dissolved with n gram.
Optionally, foregoing tobacco special foliar spray agent, wherein, described n rises in mixed solution the zinc sulfate being dissolved with 0.3n gram.
Optionally, foregoing tobacco special foliar spray agent, wherein, described n rises mixed solution and comprises: the film coalescence aid that 0.01n rises, and the water that 0.99n rises.
On the other hand, the preparation method that the embodiment of the present invention provides to grow tobacco special foliar spray agent, comprises the following steps:
The film coalescence aid that 0.005n liter ~ 0.015n rises is added in the water of 0.985n liter ~ 0.995n liter, is prepared into n and rises mixed solution;
Respectively the zinc sulfate of the potassium fulvate of 0.5n ~ 1.5n gram and 0.2n ~ 0.4n gram being added to described n rises in mixed solution, is stirred to described potassium fulvate and described zinc sulfate dissolves;
The described n being dissolved with described potassium fulvate and described zinc sulfate is risen mixed solution concussion to shake up, form described tobacco special foliar spray agent;
Wherein, described n>0.
On the other hand, the using method that the embodiment of the present invention also provides to grow tobacco special foliar spray agent, comprising:
The preparation method described in above-described embodiment two is adopted to prepare tobacco special foliar spray agent;
According to prefixed time interval, described tobacco special foliar spray agent is sprayed application on tobacco leaf, until tobacco leaf is ripe.
Optionally, the using method of foregoing tobacco special foliar spray agent, wherein, described according to prefixed time interval, described tobacco special foliar spray agent is sprayed application on tobacco leaf, until tobacco leaf is ripe, comprising:
Described tobacco special foliar spray agent was sprayed application on tobacco leaf in every 5 ~ 7 days, until tobacco is ripe.
Optionally, the using method of foregoing tobacco special foliar spray agent, wherein, described according to prefixed time interval, described tobacco special foliar spray agent is sprayed application on tobacco leaf, until tobacco leaf is ripe, comprising:
If spray for twice between the time according to prefixed time interval is adjacent, described tobacco leaf is by rain drop erosion, then reuse described tobacco special foliar spray agent after by rain drop erosion to spray described tobacco leaf, and the time that this sprayed is as the time to count sprayed next time.
By technique scheme, the present invention at least has following advantages:
The embodiment of the present invention is based on tobacco xylem transhipment Cd mechanism, utilize Antagonizing between the transpiration of tobacco and zinc potassium, the tobacco special foliar spray agent including film coalescence aid, water, potassium fulvate and zinc sulfate is adopted to spray tobacco blade face, tobacco absorption and transport Cd can be suppressed, reduce the Cd content in plant, can be used as again foliage fertilizer simultaneously and supplement potassium element needed for tobacco, play and fall the effect that cadmium increases potassium, particularly quality is improved to tobacco, the effect of enhanced burning.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, be described in detail as follows below with preferred embodiment of the present invention.
Embodiment
For further setting forth the present invention for the technique means reaching predetermined goal of the invention and take and effect, be described in detail as follows below in conjunction with preferred embodiment.
The embodiment of the present invention one provides one to grow tobacco special foliar spray agent, comprise: the n that the water that the film coalescence aid risen by 0.005n liter ~ 0.015n and 0.985n liter ~ 0.995n rise forms rises mixed solution, rises in mixed solution the zinc sulfate of potassium fulvate and 0.2n ~ 0.4n gram being dissolved with 0.5n ~ 1.5n gram at described n.Wherein, described n>0.
The embodiment of the present invention is based on tobacco xylem transhipment Cd mechanism, utilize Antagonizing between the transpiration of tobacco and zinc potassium, the tobacco special foliar spray agent including film coalescence aid, water, potassium fulvate and zinc sulfate is adopted to spray tobacco blade face, tobacco absorption and transport Cd can be suppressed, reduce the Cd content in plant, can be used as again foliage fertilizer simultaneously and supplement potassium element needed for tobacco, play and fall the effect that cadmium increases potassium, particularly quality is improved to tobacco, the effect of enhanced burning.
Further, in the above-described embodiments, described film coalescence aid can select tween 80, also can select sorbester p18 or other film coalescence aid, as long as can increase the adhesion property of spray to blade, concrete the present embodiment does not limit this.
When specific embodiment, n described in above-described embodiment rises solubilized in mixed solution the described potassium fulvate of n gram and the described zinc sulfate of 0.3n gram.Such as, prepare the described mixed solution of 1 liter, then in described 1 liter of mixed solution, dissolve 1 gram of described potassium fulvate and 0.3 gram of described zinc sulfate.Certainly, 0.5n gram of potassium fulvate and 0.2n gram of zinc sulfate also can be dissolved with in the described mixed solution that described n rises, or, also can be dissolved with 1.5n gram of potassium fulvate and 0.4n gram of zinc sulfate in the described mixed solution that described n rises.
When specific embodiment, described n rises film coalescence aid that mixed solution rises by 0.01n and the water that 0.99n rises forms, certainly, described n rises film coalescence aid that mixed solution also can rise by 0.015n and the water that 0.985n rises forms, or described n rises film coalescence aid that mixed solution also can rise by 0.005n and the water that 0.995n rises forms.
The embodiment of the present invention is based on tobacco xylem transhipment Cd mechanism, utilize Antagonizing between the transpiration of tobacco and zinc potassium, the tobacco special foliar spray agent including film coalescence aid, water, potassium fulvate and zinc sulfate is adopted to spray tobacco blade face, tobacco absorption and transport Cd can be suppressed, reduce the Cd content in plant, can be used as again foliage fertilizer simultaneously and supplement potassium element needed for tobacco, play and fall the effect that cadmium increases potassium, particularly quality is improved to tobacco, the effect of enhanced burning.
The preparation method that the embodiment of the present invention two provides one to grow tobacco special foliar spray agent, concrete steps are as follows:
The film coalescence aid that 0.005n liter ~ 0.015n rises is added in the water of 0.985n liter ~ 0.995n liter, is prepared into n and rises mixed solution.
Wherein, when specific embodiment, such as, when the described n that the volume of film coalescence aid accounts for preparation rises 1% of mixeding liquid volume, just the described film coalescence aid that 0.01n rises is added in the water that 0.99n rises.Or, when the described n that the volume of film coalescence aid accounts for preparation rises 1.5% of mixeding liquid volume, just the described film coalescence aid that 0.015n rises is added in the water that 0.985n rises.Or, when the described n that the volume of film coalescence aid accounts for preparation rises 0.5% of mixeding liquid volume, just the described film coalescence aid that 0.005n rises is added in the water that 0.995n rises.
Respectively the zinc sulfate of the potassium fulvate of 0.5n ~ 1.5n gram and 0.2n ~ 0.4n gram being added to described n rises in mixed solution, is stirred to described potassium fulvate and described zinc sulfate dissolves.
Wherein, when specific embodiment, respectively the described potassium fulvate of n gram and the described zinc sulfate of 0.3n gram can be added to described n and rise in mixed solution, be stirred to described potassium fulvate and the dissolving of described zinc sulfate.Or, respectively the described potassium fulvate of 1.5n gram and the described zinc sulfate of 0.4n gram are added to described n and rise in mixed solution, be stirred to described potassium fulvate and the dissolving of described zinc sulfate.Or, respectively the described potassium fulvate of 0.5n gram and the described zinc sulfate of 0.2n gram are added to described n and rise in mixed solution, be stirred to described potassium fulvate and the dissolving of described zinc sulfate.
The described n being dissolved with described potassium fulvate and described zinc sulfate is risen mixed solution concussion to shake up, form described tobacco special foliar spray agent.
Wherein, described n>0.
The embodiment of the present invention is based on tobacco xylem transhipment Cd mechanism, utilize Antagonizing between the transpiration of tobacco and zinc potassium, the tobacco special foliar spray agent including film coalescence aid, water, potassium fulvate and zinc sulfate is adopted to spray tobacco blade face, tobacco absorption and transport Cd can be suppressed, reduce the Cd content in plant, can be used as again foliage fertilizer simultaneously and supplement potassium element needed for tobacco, play and fall the effect that cadmium increases potassium, particularly quality is improved to tobacco, the effect of enhanced burning.
The using method that the embodiment of the present invention three provides one to grow tobacco special foliar spray agent, comprising:
First, tobacco special foliar spray agent is prepared.
Wherein, the described preparation method that the described tobacco special foliar spray agent that prepared by the present embodiment can adopt above-described embodiment two to provide realizes.The described method that concrete preparation process can provide see above-described embodiment two, repeats no more herein.
Then, according to prefixed time interval, described tobacco special foliar spray agent is sprayed application on tobacco leaf, until tobacco leaf is ripe.
Wherein, when specific embodiment, described according to prefixed time interval, described tobacco special foliar spray agent is sprayed application on tobacco leaf, until tobacco leaf is ripe, comprising:
Described tobacco special foliar spray agent was sprayed application on tobacco leaf in every 5 ~ 7 days, until tobacco leaf is ripe.
Such as, when first time, described tobacco special foliar spray agent is sprayed application to after on tobacco leaf, can interval 6 days, described tobacco special foliar spray agent sprays application on tobacco leaf by second time again, and be interval time according to 6 days, described tobacco special foliar spray agent is sprayed application on tobacco leaf, until tobacco leaf is ripe on time.Certainly, interval time also can be set as 5 days or 7 days, and concrete the present embodiment does not limit this.
Further, described according to prefixed time interval, described tobacco special foliar spray agent is sprayed application on tobacco leaf, until tobacco is ripe, also comprises:
If spray for twice between the time according to prefixed time interval is adjacent, described tobacco leaf is by rain drop erosion, then reuse described tobacco special foliar spray agent after by rain drop erosion to spray described tobacco leaf, and the time that this sprayed is as the time to count sprayed next time.
Such as, preset interval time is 6 days, when described in all a pair, tobacco leaf first time sprays described tobacco special foliar spray agent, under normal circumstances, should second time be carried out spray by tobacco leaf described in a pair in next week, if when tobacco leaf described in Thursday is by rain drop erosion, then again spray described tobacco leaf in Thursday, and using Thursday as the time to count sprayed next time, namely three carry out second time and spray in next week.
Further, in order to reach better assimilation effect, the prosperous vegetative period plant can also be selected, in sunny calm at 4 in afternoon or 5 PM, operation being sprayed to plant.
The embodiment of the present invention is based on tobacco xylem transhipment Cd mechanism, utilize Antagonizing between the transpiration of tobacco and zinc potassium, the tobacco special foliar spray agent including film coalescence aid, water, potassium fulvate and zinc sulfate is adopted to spray tobacco blade face, tobacco absorption and transport Cd can be suppressed, reduce the Cd content in plant, can be used as again foliage fertilizer simultaneously and supplement potassium element needed for tobacco, play and fall the effect that cadmium increases potassium, particularly quality is improved to tobacco, the effect of enhanced burning.
In addition, the embodiment of the present invention additionally provides indoor and outdoor test, and the technique effect of the embodiment of the present invention is described.
The embodiment of the present invention four provides in a kind of greenhouse carries out potted plant proof test, and every basin fills native 2kg, and external source adds 1mgkg
-1pure cadmium, balances after 1 month under the field capacity of 70%, disposablely applies the every basin 0.4g of purity nitrogen, and presses N:P
2o
5: K
2o=1:1:2 ratio executes phosphorus, potash fertilizer.The strain of every pot transplanting tobacco seedling one, slow seedling is after 1 week, and tobacco special foliar spray agent described in foliage-spray after 4 in the afternoon, clear water compares, and each every strain 10mL, sprays 1 time, spray 5 times continuously for every 5 days.Described in tobacco foliage-spray, tobacco special foliar spray agent cadmium content comparatively contrasts and reduces 20.2%.
The embodiment of the present invention five provides a kind of community proof test, adds 1.5mgkg in external source
-1pure cadmium, in tobacco, after upper blade sprays described tobacco special foliar spray agent 3 times continuously, cadmium content comparatively control group reduces 9.1%, 11.8% respectively, and in tobacco, upper blade potassium content improves 23.5%, 19.4% respectively, in tobacco, upper blade Zn content improves 1.8 times, 1.1 times respectively.
The embodiment of the present invention six provides the test of a kind of described tobacco special foliar spray agent associating passivator, under the original position Dunhua process of red mud rape stalk composite passivant, in tobacco, after upper blade sprays described tobacco special foliar spray agent 3 times continuously, in the process of described tobacco special foliar spray agent associating red mud rape stalk composite passivant, in tobacco, upper blade cadmium content is by the 8.488mgkg of control group
-1, 7.386mgkg
-1significantly be reduced to 5.704mgkg
-1, 5.538mgkg
-1.
As can be seen from above embodiment four, embodiment five and embodiment six, described tobacco special foliar spray agent can reduce the cadmium content in the tobacco on cadmium pollution soil effectively.
Above inventive embodiments four, embodiment five and embodiment six are based on tobacco xylem transhipment Cd mechanism, utilize Antagonizing between the transpiration of tobacco and zinc potassium, the tobacco special foliar spray agent including film coalescence aid, water, potassium fulvate and zinc sulfate is adopted to spray tobacco blade face, tobacco absorption and transport Cd can be suppressed, reduce the Cd content in plant, can be used as again foliage fertilizer simultaneously and supplement potassium element needed for tobacco, play and fall the effect that cadmium increases potassium, particularly quality is improved to tobacco, the effect of enhanced burning.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, not departing from the scope of technical solution of the present invention, make a little change when above-mentioned technology contents can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. one to grow tobacco special foliar spray agent, it is characterized in that, comprising:
N rises mixed solution;
The potassium fulvate being dissolved with 0.5n ~ 1.5n gram is risen in mixed solution at described n;
And, the zinc sulfate being dissolved with 0.2n ~ 0.4n gram is risen in mixed solution at described n;
Wherein, described n>0;
Described n rises mixed solution and comprises: the film coalescence aid that 0.005n liter ~ 0.015n rises, and the water that 0.985n liter ~ 0.995n rises.
2. tobacco special foliar spray agent according to claim 1, is characterized in that, described film coalescence aid is tween 80.
3. tobacco special foliar spray agent according to claim 1 and 2, is characterized in that, described n rises in mixed solution the described potassium fulvate being dissolved with n gram.
4. tobacco special foliar spray agent according to claim 1 and 2, is characterized in that, described n rises in mixed solution the described zinc sulfate being dissolved with 0.3n gram.
5. tobacco special foliar spray agent according to claim 1 and 2, is characterized in that, described n rises mixed solution and comprises: the film coalescence aid that 0.01n rises, and the water that 0.99n rises.
6. a preparation method growing tobacco special foliar spray agent, is characterized in that, comprising:
The film coalescence aid that 0.005n liter ~ 0.015n rises is added in the water of 0.985n liter ~ 0.995n liter, is prepared into n and rises mixed solution;
Respectively the zinc sulfate of the potassium fulvate of 0.5n ~ 1.5n gram and 0.2n ~ 0.4n gram being added to described n rises in mixed solution, is stirred to described potassium fulvate and described zinc sulfate dissolves;
The described n being dissolved with described potassium fulvate and described zinc sulfate is risen mixed solution concussion to shake up, form tobacco special foliar spray agent;
Wherein, described n>0.
7. a using method growing tobacco special foliar spray agent, is characterized in that, comprising:
The preparation method described in the claims 6 is adopted to prepare tobacco special foliar spray agent;
According to prefixed time interval, described tobacco special foliar spray agent is sprayed application on tobacco leaf, until tobacco leaf is ripe.
8. the using method of tobacco special foliar spray agent according to claim 7, is characterized in that, described according to prefixed time interval, is sprayed application on tobacco leaf by described tobacco special foliar spray agent, until tobacco leaf is ripe, comprising:
Described tobacco special foliar spray agent was sprayed application on tobacco leaf in every 5 ~ 7 days, until tobacco leaf is ripe.
9. the using method of the tobacco special foliar spray agent according to claim 7 or 8, is characterized in that, described according to prefixed time interval, is sprayed application on tobacco leaf by described tobacco special foliar spray agent, until tobacco is ripe, comprising:
If spray for twice between the time according to prefixed time interval is adjacent, described tobacco leaf is by rain drop erosion, then reuse described tobacco special foliar spray agent after by rain drop erosion to spray described tobacco leaf, and the time that this sprayed is as the time to count sprayed next time.
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| CN201410652965.9A CN104478556B (en) | 2014-11-17 | 2014-11-17 | One grows tobacco special foliar spray agent, preparation method and application method |
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| CN201410652965.9A CN104478556B (en) | 2014-11-17 | 2014-11-17 | One grows tobacco special foliar spray agent, preparation method and application method |
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| CN105061025A (en) * | 2015-07-28 | 2015-11-18 | 昆明理工大学 | Promoter and application thereof |
| CN106431637A (en) * | 2016-09-07 | 2017-02-22 | 山东农业大学 | Special foliar fertilizer for tobacco |
| CN106831171A (en) * | 2017-03-03 | 2017-06-13 | 红云红河烟草(集团)有限责任公司 | A kind of foliar fertilizer application method for reducing heavy metal cadmium content in tobacco leaf |
| CN107897207A (en) * | 2017-06-27 | 2018-04-13 | 湖北农谷畅响土壤修复科技股份有限公司 | A kind of blade face resistance control agent for being used to reduce rice heavy metal cadmium |
| CN108794168A (en) * | 2018-06-27 | 2018-11-13 | 中国农业科学院农业资源与农业区划研究所 | It reduces tobacco leaf cadmium content and improves the foliage spraying agent and preparation method thereof of quality |
| CN114044713A (en) * | 2021-10-19 | 2022-02-15 | 中国农业科学院茶叶研究所 | Soil blocking agent for slowing cadmium absorption of tea trees and application method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105061025A (en) * | 2015-07-28 | 2015-11-18 | 昆明理工大学 | Promoter and application thereof |
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| CN106831171A (en) * | 2017-03-03 | 2017-06-13 | 红云红河烟草(集团)有限责任公司 | A kind of foliar fertilizer application method for reducing heavy metal cadmium content in tobacco leaf |
| CN106831171B (en) * | 2017-03-03 | 2020-11-03 | 红云红河烟草(集团)有限责任公司 | Application method of foliar fertilizer for reducing content of heavy metal cadmium in tobacco leaves |
| CN107897207A (en) * | 2017-06-27 | 2018-04-13 | 湖北农谷畅响土壤修复科技股份有限公司 | A kind of blade face resistance control agent for being used to reduce rice heavy metal cadmium |
| CN108794168A (en) * | 2018-06-27 | 2018-11-13 | 中国农业科学院农业资源与农业区划研究所 | It reduces tobacco leaf cadmium content and improves the foliage spraying agent and preparation method thereof of quality |
| CN114044713A (en) * | 2021-10-19 | 2022-02-15 | 中国农业科学院茶叶研究所 | Soil blocking agent for slowing cadmium absorption of tea trees and application method |
| CN115590029A (en) * | 2022-09-28 | 2023-01-13 | 中国科学院地球化学研究所（Cn） | Foliar spraying agent and method for effectively reducing cadmium content of rice grains |
| CN115590029B (en) * | 2022-09-28 | 2024-02-06 | 中国科学院地球化学研究所 | Foliar spray agent and method for effectively reducing cadmium content of rice grains |
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