CN106167707A - Plantula Brassicae chinensis rhizosphere cadmium resistance control agent and its preparation method and application - Google Patents
Plantula Brassicae chinensis rhizosphere cadmium resistance control agent and its preparation method and application Download PDFInfo
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- CN106167707A CN106167707A CN201610584412.3A CN201610584412A CN106167707A CN 106167707 A CN106167707 A CN 106167707A CN 201610584412 A CN201610584412 A CN 201610584412A CN 106167707 A CN106167707 A CN 106167707A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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- Soil Sciences (AREA)
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- Environmental Sciences (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
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Abstract
The invention discloses a kind of Plantula Brassicae chinensis root system cadmium resistance control agent and its preparation method and application, belong to plant control cadmium agent field.The Plantula Brassicae chinensis root system cadmium resistance control agent of the present invention comprises following component the most by mass percentage: kieselguhr 33%～33.5%, peanut cake 66.5%～67%.The component of described mass percent is ground mix homogeneously and i.e. obtains the resistance control agent of Plantula Brassicae chinensis root system cadmium.The using method of this cadmium resistance control agent is: cadmium resistance control agent used with base manure simultaneously, and the amount of application of cadmium resistance control agent is 150 300kg/ mus；Cadmium pollution soil uniformly spreads fertilizer over the fields, and carry out deep ploughing make cadmium resistance control agent uniform with mixing with soil.The cost of material of Plantula Brassicae chinensis root system cadmium of the present invention resistance control agent is low, prepares simple and easy to do, can significantly reduce cadmium content and accumulation in plant, it is possible to effectively utilize the garbage in agricultural production and improve soil nutrient content, environment is not resulted in secondary pollution.
Description
Technical field
The present invention relates to plant control cadmium agent, be specifically related to a kind of Plantula Brassicae chinensis root system cadmium resistance control agent and preparation method thereof and answer
With.
Background technology
Along with industry develops rapidly, population increase and the quickening of urbanization process, mankind's activity causes in soil environment
Heavy metal pollution is the most serious.Mobility of Heavy Metals In Soil Environment pollutes not only suppression crop growthing development and reduces yield, and drops
Low quality of agricultural product.Heavy metal in soil is absorbed through crops such as vegetable and is finally detrimental to health by food chain.City week
The rural area on limit provides vegetable and grain, the quality of rural area soil to concern its peace producing food for city and local resident
Entirely.Wherein, one of " five poisonous creatures: scorpion, viper, centipede, house lizard, toad " element Cd is the non-essential element of biological growth and development process, is also to animal and plant in nature
One of and the heavy metal kind of harm maximum, therefore, the improvement of heavy metal cadmium pollution soil and reparation, be the tightest
Compeling of task.
Common heavy-metal contaminated soil reclamation activities includes chemical passivation, Soil leaching and biological restoration etc..Wherein change
Learn and be passivated easy-to-use and be widely used, utilize chemical substance to reduce animal migration and the biologically effective of heavy metal in soil
Property, thus reduce the absorption and accumulation of crops heavy metal, reduce the heavy metal being entered human body by food chain.Chemical passivation is
One of methods for curing heavy metal contamination in soil commonly used both at home and abroad, the method based in contaminated soil add passivator,
By series reaction such as absorption, precipitation, complexations, heavy metal is made to convert to stable state, to reduce its transfer ability and to plant
Effectiveness, thus reach the purpose of restoration of soil polluted by heavy metal.
Having numerous studies both at home and abroad uses chemical inactivators to change heavy-metal contaminated soil.Zhu Jian etc. are at laboratory mould
Intend soil incubation condition test result to show, along with the increase of kieselguhr amount of application, soil exchange state Pb2+Content substantially under
Fall, (application kieselguhr processes heavy metal ion-containing waste water theory basis and pass to be dropped to 3.94% by initial 11.22%
Research on Key [D]. Sino-South African Forestry University of Science and Technology, 2013.).At present, passivation repairing research about fertilizer is main both at home and abroad
Concentrate on pig manure, peat etc., and the high agricultural wastes peanut cake of the content of organic matter is as the research of soil heavy metal passivant
There is no report.Light in view of kieselguhr quality, dust is big, adds other materials to increase its quality, and can improve product simultaneously
Matter.By organic-inorganic passivation compounding application, it is possible to more greatly reduce crops and Cadmium in Vegetables cumulant, attach most importance to
Metal slight pollution soil safety utilizes provides a kind of new approaches.
At present, China's the biggest or middle city suburbs soil and vegetable are the most by heavy metal pollution in various degree, wherein
Part has reached the residual level that comparison is high, and how controlling or reducing content of beary metal in victual is that agriculture in suburban areas can
One of urgent problem in sustainable development.
Summary of the invention
The purpose of the present invention is that the shortcoming and defect overcoming prior art to exist, it is provided that a kind of Plantula Brassicae chinensis root system cadmium resistance
Control agent and its preparation method and application.
The purpose of the present invention is achieved through the following technical solutions:
A kind of Plantula Brassicae chinensis root system cadmium resistance control agent, comprises following component the most by mass percentage: kieselguhr 33%～
33.5%, peanut cake 66.5%～67%, each component sum is 100%.Wherein, kieselguhr is that the kieselguhr that chemical plant produces helps
Filtering agent, peanut cake is the by-product after Semen arachidis hypogaeae oil expression.
The preparation method of above-mentioned Plantula Brassicae chinensis root system cadmium resistance control agent, comprises the steps: the component of described mass percent
Grind mix homogeneously and i.e. obtain the resistance control agent of Plantula Brassicae chinensis root system cadmium.
The resistance control agent of above-mentioned Plantula Brassicae chinensis root system cadmium can be used for the improvement of Cadmium Pollution in Soils.
Above-mentioned Plantula Brassicae chinensis root system cadmium resistance control agent using method, comprise the steps: by Plantula Brassicae chinensis root system cadmium resistance control agent with
Base manure is used simultaneously, and the amount of application of Plantula Brassicae chinensis root system cadmium resistance control agent is 150-300kg/ mu；Cadmium pollution soil uniformly spreads fertilizer over the fields,
And carry out deep ploughing make Plantula Brassicae chinensis root system cadmium resistance control agent uniform with mixing with soil.
The working mechanism of Plantula Brassicae chinensis root system cadmium of the present invention resistance control agent: the composition of this cadmium resistance control agent has adsorptivity, it is possible to inhale
Cadmium in attached and fixing soil, suppresses the Plantula Brassicae chinensis absorption to cadmium；It is heavy that the composition of this cadmium resistance control agent and the cadmium in soil define
Form sediment or complex, reduce the Plantula Brassicae chinensis absorption to cadmium；Interionic also exists antagonism, there is antagonism and make between silicon and cadmium ion
With, it is suppressed that the Plantula Brassicae chinensis absorption to cadmium；The composition of this cadmium resistance control agent can change pH and the rhizosphere redox ability of soil
Reduce the effectiveness of cadmium.
Compared with prior art, the present invention has the advantages that:
(1) Plantula Brassicae chinensis root system cadmium of the present invention resistance control agent cost of material low, prepare simple and easy to do.
(2) Plantula Brassicae chinensis root system cadmium of the present invention resistance control agent effect is obvious, can significantly reduce cadmium content and accumulation in plant.
(3) Plantula Brassicae chinensis root system cadmium of the present invention resistance control agent can effectively utilize the garbage in agricultural production and improve soil support
Divide content.
(4) Plantula Brassicae chinensis root system cadmium of the present invention resistance control agent does not results in secondary pollution to environment.
Detailed description of the invention
Below in conjunction with embodiment, the present invention done further detailed description, but embodiments of the present invention are not limited to this.
Embodiment 1
Test period: 2015；Test site: Jiangxia District, Wuhan City.
(1) preparation of Plantula Brassicae chinensis root system cadmium resistance control agent
First peanut cake pulverizer is ground into the powdery granule of 2mm, standby.The ratio of 1:2 in mass ratio weighs
Super-cell and the peanut cake of pulverizing, mixing, obtain the resistance control agent of Plantula Brassicae chinensis root system cadmium.
Prepare the cadmium resistance control agent being uniformly mixed so as to obtain with super-cell by Oil-tea-cake or soybean cake as stated above.
(2) field experiment
1. Plantula Brassicae chinensis (SUZHOUQING(sic)) sowing on October 12nd, 2015, transplanted November 5.
The least Division: set six process, three repetitions, minizone random alignment.Each cell size be 4.5m ×
1.7m。
3. the last fortnight (October 15) is sowed with vegetable melon and fruit special fertilizer (work is deified in storehouse, Hubei) as the source of manure, by every mu executing
Entering 100kg, apply fertilizer by community, Ji Mei uses 1.15kg in community.Use the resistance control of Plantula Brassicae chinensis root system cadmium with base manure simultaneously
Agent, every mu of ground amount of application is 150kg, spreads fertilizer over the fields by community, and Ji Mei uses 1.72kg in community.
Additionally not execute cadmium resistance control agent (T1, blank, CK), (T2, kieselguhr is as cadmium resistance control to execute super-cell
Agent), kieselguhr and Oil-tea-cake join execute (T3), kieselguhr join with soybean cake execute (T4) or execute Si, Ca, Mg, K fertilizer (T6, Shanxi century subfamily
Plump industry) as controlled trial, carry out smaller Chinese cabbage root system cadmium resistance control agent application effect.
Deep plough after uniformly spreading fertilizer over the fields, be sufficiently mixed with soil with cadmium resistance control agent and be as the criterion.
Other farming methods are identical with local farmers custom, December in 2015 results on the 20th, symbiosis length 70 days.
(3) attributional analysis
1. method of testing:
The mensuration colorimetry of nitrate；Ascorbic mensuration titrimetry；The mensuration anthrone of soluble sugar
Colorimetry；Protein measuring Coomassie brilliant G-250 method.The resistance control agent impact on Quality of Chinese Cabbage of Plantula Brassicae chinensis root system cadmium
It is shown in Table 1.
The table 1. Plantula Brassicae chinensis root system cadmium resistance control impact on Quality of Chinese Cabbage index
Note: colleague is different, and lower case (a, b, c, d) represents significant difference (P < 0.05) between same combination different disposal.
2. test result
For comparing comparison (T1), singly execute kieselguhr (T2), kieselguhr join with Oil-tea-cake execute (T3), kieselguhr is joined with soybean cake
Executing (T4) makes ascorbic content in Plantula Brassicae chinensis reduce, and reaches significant level；Kieselguhr and peanut cake are joined and are executed (T5) and calcium and magnesium
Si-K fertilizer (T6) processes and makes the Vitamin C content of Plantula Brassicae chinensis improve, but not up to significant difference.For comparing comparison (T1),
The content of soluble sugar all reduces, and each process is all not up to significant difference.For comparing comparison (T1), containing of soluble protein
Amount all reduces, and in addition to kieselguhr and peanut cake are joined and executed (T5) and process and reach significant difference, other respectively process all not up to notable
Difference.For comparing comparison (T1), singly execute kieselguhr (T2) and kieselguhr and join with Oil-tea-cake and execute (T3) though adding in Plantula Brassicae chinensis
The content of nitrate, but not up to significant difference；Kieselguhr and soybean cake join execute (T4), kieselguhr join with peanut cake execute (T5),
Calcium and magnesium Si-K fertilizer (T6) both increases the content of nitrate in Plantula Brassicae chinensis equally, and reaches significant difference.Wherein calcium and magnesium silicon potassium
It is the most notable that fertile (T6) processes increase effect.In a word, use the resistance control agent of root system cadmium to effect in raising quality not quite, but also do not drop
Low-quality, therefore use the resistance control agent of root system cadmium and do not interfere with nutritive value and the mouthfeel of Plantula Brassicae chinensis.
(4) fall cadmium effect
1. method of testing:
The mensuration (GB5009.15-2014) of reference food safe national standard cadmium in foods, the resistance control agent of Plantula Brassicae chinensis root system cadmium
Impact on Plantula Brassicae chinensis overground part and root system cadmium content is shown in Table 2.
The resistance control of table 2. cadmium root system is on Plantula Brassicae chinensis overground part and the impact of root system cadmium content
Note: colleague is different, and lower case (a, b, c) represents significant difference (P < 0.05) between same combination different disposal.
2. test result
Cadmium content in Plantula Brassicae chinensis root system all reduces for comparing comparison (T1), and each process all reduces in Plantula Brassicae chinensis root system
Cadmium content, kieselguhr and Oil-tea-cake join and execute (T3) and kieselguhr and join with peanut cake and execute (T5) process and reach significant difference, its
Middle kieselguhr and peanut cake join that to execute (T5) treatment effect optimal, decrease by 23.57%.Cadmium content in Plantula Brassicae chinensis overground part removes
Calcium and magnesium Si-K fertilizer (T6) processes, and for comparing comparison (T1), other cadmium contents processing Plantula Brassicae chinensis reduce, wherein the most in various degree
Singly execute kieselguhr (T2), kieselguhr and Oil-tea-cake are joined and are executed (T3) and kieselguhr and peanut cake is joined and executed (T5) and reach significant level, than
Comparison reduces by 10.06%, 11.56% and 29.39% respectively, and wherein kieselguhr and peanut cake are joined and executed (T5) best results, reduce
Effect is the most obvious.The above results illustrates that the control of cadmium content in Plantula Brassicae chinensis is had very well by Plantula Brassicae chinensis root system cadmium of the present invention resistance control agent
Effect and than other better processing effect in example.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-described embodiment
Limit, the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify,
All should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (4)
1. Plantula Brassicae chinensis root system cadmium resistance control agent, it is characterised in that: comprise following component the most by mass percentage: kieselguhr
33%～33.5%, peanut cake 66.5%～67%.
2. described in claim 1 Plantula Brassicae chinensis root system cadmium resistance control agent preparation method, it is characterised in that: comprise the steps: by
The component of described mass percent grinds mix homogeneously and i.e. obtains the resistance control agent of Plantula Brassicae chinensis root system cadmium.
3. the application in Cadmium Pollution in Soils is administered of the Plantula Brassicae chinensis root system cadmium resistance control agent described in claim 1.
4. described in claim 1 Plantula Brassicae chinensis root system cadmium resistance control agent using method, it is characterised in that: comprise the steps: by
The resistance control agent of Plantula Brassicae chinensis root system cadmium is used with base manure simultaneously, and the amount of application of Plantula Brassicae chinensis root system cadmium resistance control agent is 150-300kg/ mu；?
Cadmium pollution is uniformly spread fertilizer over the fields on soil, and carry out deep ploughing make Plantula Brassicae chinensis root system cadmium resistance control agent uniform with mixing with soil.
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| CN201610584412.3A CN106167707B (en) | 2016-07-22 | 2016-07-22 | Pakchoi rhizosphere cadmium resistance control agent and its preparation method and application |
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| CN201610584412.3A CN106167707B (en) | 2016-07-22 | 2016-07-22 | Pakchoi rhizosphere cadmium resistance control agent and its preparation method and application |
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| CN106167707B CN106167707B (en) | 2017-11-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110140620A (en) * | 2019-05-08 | 2019-08-20 | 广州新农科肥业科技有限公司 | A method of resistance control Chinese Drug Rhizomes of Coptis cadmium pollution |
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| CN102084769A (en) * | 2010-10-28 | 2011-06-08 | 吴涵锋 | Method for reducing quantity of cadmium absorbed from soil by little cabbages |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110140620A (en) * | 2019-05-08 | 2019-08-20 | 广州新农科肥业科技有限公司 | A method of resistance control Chinese Drug Rhizomes of Coptis cadmium pollution |
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