CN109290349A - Castor-oil plant-humic acid collaboration restoration of soil polluted by heavy metal method - Google Patents
Castor-oil plant-humic acid collaboration restoration of soil polluted by heavy metal method Download PDFInfo
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- CN109290349A CN109290349A CN201811303472.9A CN201811303472A CN109290349A CN 109290349 A CN109290349 A CN 109290349A CN 201811303472 A CN201811303472 A CN 201811303472A CN 109290349 A CN109290349 A CN 109290349A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Engineering & Computer Science (AREA)
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- Environmental & Geological Engineering (AREA)
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- General Health & Medical Sciences (AREA)
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- Molecular Biology (AREA)
- Processing Of Solid Wastes (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention provides a kind of castor-oil plant-humic acid collaboration restoration of soil polluted by heavy metal methods, include the following steps: 1) to choose farmland: choosing heavy metal cadmium content range in the farmland of 2~3mg/kg；2) base is applied before sowing: humic acid being diluted 300~600 times, applies the humic acid after dilution into the agricultural land soil of selection；3) it plants castor-oil plant: planting castor-oil plant in the soil after base is applied；4) flowering fruit bearing stage foliar spray: in castor-oil plant flowering fruit bearing stage, humic acid is diluted 1000~1800 times, applies the humic acid after dilution to castor-oil plant blade.The mode that humic acid base grants foliar spray combination plants castor-oil plant, and heavy metal can be enhanced in the intracorporal transfer rate of plant, promote absorption of the castor-oil plant to heavy metal cadmium, reduce the cadmium pollution in soil.This method not only can heavy metal cadmium in rehabilitating soil, but also may be implemented in the purpose that the soil remediation phase stablizes peasant income.
Description
Technical field
The present invention relates to contaminated soils to administer field, in particular to a kind of castor-oil plant-humic acid cooperates with repairing heavy metal pollution
The method of soil.
Background technique
In recent years, it both at home and abroad for how reducing, reducing, even is eliminated large area heavy metal pollution of soil and has done and largely grind
Study carefully work, and obtains certain achievement.Currently, heavy metal-polluted soil restorative procedure be broadly divided into physical restoration, chemical restoration and
Biological restoration.Physical restoration refers to through various physical processes to be removed pollutant or isolated technology from soil, main
It include: soil washing, engineering measure method, electric heating repairing method etc..Chemical restoration is by into heavy-metal contaminated soil
Modifying agent, inhibitor are added, to adjust and change the physicochemical property of soil, makes heavy metal that precipitating, absorption, antagonism and oxidation occur
The chemical reaction such as reduction, reduces its biological effectiveness.Physics, chemical technology restoration of soil polluted by heavy metal not only somewhat expensive,
General, it is hard to be applied to the improvement of pollution in wide area soil, the heavy metal in soil after chemical harnessing is easy once again regulation effect
Activation, and the destruction of soil texture is often resulted in, cause biological activity of soil and fertility to decline, causes secondary pollution etc..It should
Class method is a kind of palliative, cannot be effected a permanent cure, and arable land be easy to cause the underproduction reduction of income in repair process.
Bioremediation technology is that one kind is started late but the huge emerging technology of development potentiality, with traditional physics, change
Recovery technique is learned to compare, have operational administrative is simple, processing cost is low, to surrounding enviroment disturb it is small, do not generate secondary pollution etc.
Feature is a kind of economic, effective and nondestructive recovery technique, is the main direction of development of heavy metal-polluted soil recovery technique,
There is wide research and application prospect in terms of handling heavy metal pollution of soil.Phytoremediation technology, which refers to, utilizes heavy metal accumulation
The stronger plant of ability absorbs one or more of heavy metals, and is shifted, is stored in aboveground vegetation part, by plant
The recovery processing of overground part heavy metal, to achieve the purpose that remove effect of fertilizer.Plant soil restoration structure and micro-
Bioactivity has the characteristics that cheap rehabilitation cost, simple process, environmentally protective, the great attention increasingly by countries in the world
And favor.
Using super enriching plant heavy metal is removed into the core content for being phytoremediation technology from soil and plant is repaired
Multiple most representative repair mode, presently found super enriching plant have 700 kinds or more, and are distributed widely in about 50 sections
In, and it is concentrated mainly on Cruciferae, such as Phytolacca acinosa, Thlaspi caerulescens, common calla, castor-oil plant.However, most of super enriching plant
Remediation efficiency is low, subsequent economic use value is low, and soil remediation needs to put into a large amount of financial resource and material resource, has seriously affected peasant household
Repair enthusiasm.Therefore, find it is a kind of there is higher economic value, and can efficiently concentrating heavy metal-polluted soil plant, explore with
Its adaptable intensified ecological measure, the two joint carry out the biological prosthetic important development side for just becoming and solving heavy metal pollution
To.
Ricinus root of Beijing euphorbia Ricinus belongs to annual or herbaceos perennial.Castor-oil plant to common heavy metal pollution element lead,
Cadmium, copper, mercury etc. have very strong Adsorption ability, and transfer ability is strong, remain to maintain in the serious soil of heavy metal cadmium
Growth, is proved to can be used as a kind of plant of potential cadmium pollution soil repair.In addition, the raw amount of castor-oil plant is big, single cropping dry matter
Yield is up to 2500kg/hm2.Overall heavy metals removal ability is considerable, with the obvious advantage compared with other biological rehabilitation plant.
In addition, some researches show that the heavy metals of castor-oil plant absorption to be mainly enriched in cell wall, the utilization of castor-oil plant active component will not influence.
Castor-oil plant root system is very flourishing, for cone, has coarse taproot and 3~7 biggish lateral roots, taproot to bury as deep as 2~4m, side
The open and flat reachable 1.5~2m of root.Castor-oil plant is stronger to the adaptability of soil, compared with other crops, castor-oil plant be a kind of farming more
Extensive crop.Not only there is stronger vitality, but also wide adaptability, barren-resistant, more drought-enduring, saline-alkali tolerant, disease and insect resistance are fitted
Extensively band of the kind between 49 ° of north and south latitude.Castor-oil plant can be used as the transition that newly-ploughed arable land curing fertilizing and concedes the land to forestry, also herds
Property crop, can also be used as check winds and fix drifting sand, 25 ° or more sloping uplands utilize and the barren salt-soda soils such as Sea And Bohai Sea Coast, the Huanghe delta
Improvement and inhibition soil erosion, improve the ecological environment, implement conservation tillage, increase vegetation and improve pioneer's work of soil
Object.
Humic acid has soil improvement, builds up fertility, enhances plant stress-resistance ability and stimulation plant as a kind of natural materials
The effect of object growth, the effects of ion exchange, absorption can occur with heavy metal-polluted soil, be complexed, to reach rehabilitating soil weight
The purpose of metallic pollution.
Cultivating castor-oil plant is combined improvement soil pollution with humic acid and plays obvious effect by the prior art.But
It is that, since the applying mode of humic acid is single, role is only that its own makees the reparation of soil to humic acid in the soil
Advantageous living environment (and castor-oil plant itself has stronger vitality and adaptability) is provided with for plant, promotion plant is inhaled
The function and effect for receiving heavy metal are little.
Summary of the invention
The purpose of the invention is to overcome the defect of the above-mentioned prior art, a kind of castor-oil plant-humic acid collaboration reparation is provided
The method of heavy-metal contaminated soil, the repair using castor-oil plant and humic acid itself to heavy metal pollution of soil, and pass through control
The applying mode of preparing humic acid promotes absorption of the castor-oil plant to heavy metal, plays the good repairing effect to heavy-metal contaminated soil.
In order to achieve the above object, technical solution of the present invention provides a kind of castor-oil plant-humic acid collaboration remediating heavy metal
The method of contaminated soil, includes the following steps:
1) farmland is chosen
Heavy metal cadmium content range is chosen in the farmland of 2~3mg/kg；
2) base is applied before sowing
Humic acid is diluted 300~600 times, applies the humic acid after dilution into the agricultural land soil of selection；
3) castor-oil plant is planted
Castor-oil plant is planted in the soil after base is applied；
4) flowering fruit bearing stage foliar spray
In castor-oil plant flowering fruit bearing stage, humic acid is diluted 1000~1800 times, applies the humic acid after dilution to castor-oil plant blade；
Wherein, the applied amount after humic acid dilution is 0.4~0.8kg/ plants.
The method, it is 4~7kg/m that base described in step 2), which applies the humic acid applied amount after middle dilution,2。
The method, the planting density of castor-oil plant described in step 3) are 0.8~1.5 plant/m2。
The method, the planting depth of castor-oil plant described in step 3) are 3~6cm.
The method, foliar spray is three times, primary every ten days foliar sprays altogether in step 4).
The method, the growth cycle of castor-oil plant are at least 60 days.
The method carries out the survey of heavy metal cadmium content to the root of castor-oil plant, stem, each position of leaf after the completion of castor-oil plant growth
Amount.
Above scheme have it is following the utility model has the advantages that
The present invention combines heavy metal complexing agent to form complex repairation technology with bioremediation technology.Heavy metal complexing agent
Selection can reduce soluble state content of beary metal, the also humic acid of the toxicity of reduction heavy metal.Bioprosthetic material selects biology
Measuring big, the higher economy of energy crop castor-oil plant of and economic benefit strong to heavy metal adsorption is bioprosthetic material.
The mode of foliar spray combination is granted after humic acid dilution using base, the enriching quantity of every plant of castor-oil plant heavy metal cadmium reaches
0.13mg, the enriching quantity of cadmium be do not apply humic acid or only base apply, 1.6 times or more of only foliar spray humic acid.It is planted by the way that control is rotten
The applying mode of acid has reached and has largely promoted castor-oil plant to the absorption of heavy metal.Because humic acid can promote to repair
Plant growth, and the state of heavy metal cadmium can be activated, chelating heavy metal cadmium promotes plant absorption, enhances heavy metal in plant
Transfer rate.The heavy metal cadmium in not only rehabilitating soil is realized, but also stablizes peasant income in the soil remediation phase.Really do
To " the excellent production of harm reduction ", the soil remediation phase not reduction of income.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with specific implementation
Example is described in detail.
Embodiment 1
1) farmland is chosen
It is smooth in the processing of the farmland 2~3mg/kg to choose heavy metal-polluted soil (by taking cadmium as an example) content range, delimit every 60m2It is 1
A cell is dug the ditch of 0.5m depth between each cell, is isolated with plastic film, to control the movement of moisture and salinity；
2) castor-oil plant is planted
Castor-oil plant is planted in the soil after base is applied.1 plant/m of thickness of sowing2, seed level 5cm.
Field management level is consistent, after castor-oil plant grows 60 days, chooses representative plant and is detected, measurement item: to castor
Taro Aso's object amount is measured record, and divides root, stem, each Site Determination heavy metal cadmium content of leaf surveying postpartum.
Embodiment 2
1) farmland is chosen
It is smooth in the processing of the farmland 2~3mg/kg to choose heavy metal-polluted soil (by taking cadmium as an example) content range, delimit every 60m2It is 1
A cell is dug the ditch of 0.5m depth between each cell, is isolated with plastic film, to control the movement of moisture and salinity；
2) base is applied before sowing
Humic acid is diluted 500 times, applies the humic acid after dilution into the agricultural land soil of selection.Humic acid after dilution
Applied amount is 6kg/m2。
3) castor-oil plant is planted
Castor-oil plant is planted in the soil after base is applied.1 plant/m of thickness of sowing2, seed level 5cm.
Field management level is consistent, after castor-oil plant grows 60 days, chooses representative plant and is detected, measurement item: to castor
Taro Aso's object amount is measured record, and divides root, stem, each Site Determination heavy metal cadmium content of leaf surveying postpartum.
Embodiment 3
1) farmland is chosen
It is smooth in the processing of the farmland 2~3mg/kg to choose heavy metal-polluted soil (by taking cadmium as an example) content range, delimit every 60m2It is 1
A cell is dug the ditch of 0.5m depth between each cell, is isolated with plastic film, to control the movement of moisture and salinity；
2) castor-oil plant is planted
Castor-oil plant is planted in the soil after base is applied.1 plant/m of thickness of sowing2, seed level 5cm；
3) flowering fruit bearing stage foliar spray
In castor-oil plant flowering fruit bearing stage, humic acid is diluted 1500 times, applies the humic acid after dilution to castor-oil plant blade.It is rotten after dilution
The applied amount of phytic acid is 0.6kg/ plants.Applied primary, application 3 times altogether every 10 days.
Field management level is consistent, after castor-oil plant grows 60 days, chooses representative plant and is detected, measurement item: to castor
Taro Aso's object amount is measured record, and divides root, stem, each Site Determination heavy metal cadmium content of leaf surveying postpartum.
Embodiment 4
1) farmland is chosen
It is smooth in the processing of the farmland 2~3mg/kg to choose heavy metal-polluted soil (by taking cadmium as an example) content range, delimit every 60m2It is 1
A cell is dug the ditch of 0.5m depth between each cell, is isolated with plastic film, to control the movement of moisture and salinity；
2) base is applied before sowing
Humic acid is diluted 500 times, applies the humic acid after dilution into the agricultural land soil of selection.Humic acid after dilution
Applied amount is 6kg/m2；
3) castor-oil plant is planted
Castor-oil plant is planted in the soil after base is applied.1 plant/m of thickness of sowing2, seed level 5cm；
4) flowering fruit bearing stage foliar spray
In castor-oil plant flowering fruit bearing stage, humic acid is diluted 1500 times, applies the humic acid after dilution to castor-oil plant blade.It is rotten after dilution
The applied amount of phytic acid is 0.6kg/ plants.Applied primary, application 3 times altogether every 10 days.
After castor-oil plant grows 60 days, chooses representative plant and detected, note measurement item: is measured to castor-oil plant biomass
Record, and divide root, stem, each Site Determination heavy metal cadmium content of leaf surveying postpartum.
Embodiment 5
1) farmland is chosen
It is smooth in the processing of the farmland 2~3mg/kg to choose heavy metal-polluted soil (by taking cadmium as an example) content range, delimit every 60m2It is 1
A cell is dug the ditch of 0.5m depth between each cell, is isolated with plastic film, to control the movement of moisture and salinity；
2) base is applied before sowing
Humic acid is diluted 300 times, applies the humic acid after dilution into the agricultural land soil of selection.Humic acid after dilution
Applied amount is 4kg/m2；
3) castor-oil plant is planted
Castor-oil plant is planted in the soil after base is applied.0.8 plant/m of thickness of sowing2, seed level 3cm；
4) flowering fruit bearing stage foliar spray
In castor-oil plant flowering fruit bearing stage, humic acid is diluted 1000 times, applies the humic acid after dilution to castor-oil plant blade.It is rotten after dilution
The applied amount of phytic acid is 0.4kg/ plants.Applied primary, application 3 times altogether every 10 days.
After castor-oil plant grows 65 days, chooses representative plant and detected, note measurement item: is measured to castor-oil plant biomass
Record, and divide root, stem, each Site Determination heavy metal cadmium content of leaf surveying postpartum.
Embodiment 6
1) farmland is chosen
It is smooth in the processing of the farmland 2~3mg/kg to choose heavy metal-polluted soil (by taking cadmium as an example) content range, delimit every 60m2It is 1
A cell is dug the ditch of 0.5m depth between each cell, is isolated with plastic film, to control the movement of moisture and salinity；
2) base is applied before sowing
Humic acid is diluted 600 times, applies the humic acid after dilution into the agricultural land soil of selection.Humic acid after dilution
Applied amount is 7kg/m2；
3) castor-oil plant is planted
Castor-oil plant is planted in the soil after base is applied.1.5 plants/m of thickness of sowing2, seed level 6cm；
4) flowering fruit bearing stage foliar spray
In castor-oil plant flowering fruit bearing stage, humic acid is diluted 1800 times, applies the humic acid after dilution to castor-oil plant blade.It is rotten after dilution
The applied amount of phytic acid is 0.8kg/ plants.Applied primary, application 3 times altogether every 10 days.
After castor-oil plant grows 70 days, chooses representative plant and detected, note measurement item: is measured to castor-oil plant biomass
Record, and divide root, stem, each Site Determination heavy metal cadmium content of leaf surveying postpartum.
Castor-oil plant is as shown in the table to the absorption experiment result of heavy metal cadmium:
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of castor-oil plant-humic acid collaboration restoration of soil polluted by heavy metal method, which comprises the steps of:
1) farmland is chosen
Heavy metal cadmium content range is chosen in the farmland of 2~3mg/kg；
2) base is applied before sowing
Humic acid is diluted 300~600 times, applies the humic acid after dilution into the agricultural land soil of selection；
3) castor-oil plant is planted
Castor-oil plant is planted in the soil after base is applied；
4) flowering fruit bearing stage foliar spray
In castor-oil plant flowering fruit bearing stage, humic acid is diluted 1000~1800 times, applies the humic acid after dilution to castor-oil plant blade；
Wherein, the applied amount after humic acid dilution is 0.4~0.8kg/ plants.
2. castor-oil plant-humic acid collaboration restoration of soil polluted by heavy metal method according to claim 1, which is characterized in that step
It is rapid 2) described in base apply the humic acid applied amount after middle dilution be 4~7kg/m2。
3. castor-oil plant-humic acid collaboration restoration of soil polluted by heavy metal method according to claim 1, which is characterized in that step
It is rapid 3) described in castor-oil plant planting density be 0.8~1.5 plant/m2。
4. castor-oil plant-humic acid collaboration restoration of soil polluted by heavy metal method according to claim 1, which is characterized in that step
It is rapid 3) described in castor-oil plant planting depth be 3~6cm.
5. castor-oil plant-humic acid collaboration restoration of soil polluted by heavy metal method according to claim 1, which is characterized in that step
It is rapid 4) in altogether foliar spray three times, it is primary every ten days foliar sprays.
6. castor-oil plant-humic acid collaboration restoration of soil polluted by heavy metal method according to claim 1, which is characterized in that castor
The growth cycle of fiber crops is at least 60 days.
7. castor-oil plant-humic acid collaboration restoration of soil polluted by heavy metal method according to claim 6, which is characterized in that castor
The measurement of heavy metal cadmium content is carried out after the completion of Taro Aso is long to the root of castor-oil plant, stem, each position of leaf.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112567920A (en) * | 2020-12-16 | 2021-03-30 | 山东农业大学 | Method for improving cadmium-polluted soil restoration capacity of hybrid pennisetum alopecuroides |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268734A (en) * | 2014-07-22 | 2016-01-27 | 云南香草生物技术工程有限公司 | Method for rapidly treating heavy metal contaminated soil |
| CN105457994A (en) * | 2015-12-16 | 2016-04-06 | 北京高能时代环境技术股份有限公司 | Process for remediation of heavy metal copper contaminated soil |
| CN106180160A (en) * | 2016-07-10 | 2016-12-07 | 上海大学 | A kind of method promoting Semen Ricini to repair cadmium zinc combined contamination soil |
| CN107159693A (en) * | 2017-07-14 | 2017-09-15 | 安徽省农业科学院蚕桑研究所 | A kind of plant restoration method of heavy-metal contaminated soil |
-
2018
- 2018-11-02 CN CN201811303472.9A patent/CN109290349A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268734A (en) * | 2014-07-22 | 2016-01-27 | 云南香草生物技术工程有限公司 | Method for rapidly treating heavy metal contaminated soil |
| CN105457994A (en) * | 2015-12-16 | 2016-04-06 | 北京高能时代环境技术股份有限公司 | Process for remediation of heavy metal copper contaminated soil |
| CN106180160A (en) * | 2016-07-10 | 2016-12-07 | 上海大学 | A kind of method promoting Semen Ricini to repair cadmium zinc combined contamination soil |
| CN107159693A (en) * | 2017-07-14 | 2017-09-15 | 安徽省农业科学院蚕桑研究所 | A kind of plant restoration method of heavy-metal contaminated soil |
Non-Patent Citations (4)
| Title |
|---|
| LAILA 等: "盛花期和坐果初期施用腐植酸对‘卡拉玛塔’橄榄树果实产量和质量的影响", 《腐植酸》 * |
| 任继周: "《草业科学研究方法》", 28 February 1998 * |
| 周启星等: "《生态修复》", 31 January 2006 * |
| 唐荣南等: "《林茶复合经营技术》", 30 June 1997 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112567920A (en) * | 2020-12-16 | 2021-03-30 | 山东农业大学 | Method for improving cadmium-polluted soil restoration capacity of hybrid pennisetum alopecuroides |
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Application publication date: 20190201 |