CN108114977A - It is a kind of to utilize super enriching plant and the method in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation - Google Patents

It is a kind of to utilize super enriching plant and the method in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation Download PDF

Info

Publication number
CN108114977A
CN108114977A CN201711393446.5A CN201711393446A CN108114977A CN 108114977 A CN108114977 A CN 108114977A CN 201711393446 A CN201711393446 A CN 201711393446A CN 108114977 A CN108114977 A CN 108114977A
Authority
CN
China
Prior art keywords
plant
energy
cadmium
source plant
soil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711393446.5A
Other languages
Chinese (zh)
Inventor
黄惠
范天立
陈四海
张罡
周贵宇
刘彬
杨槟赫
王志刚
罗志海
张隆隆
张伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Fudi Zhongye Environmental Technology Co., Ltd.
Original Assignee
Beijing Orient Environment Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Orient Environment Technology Co Ltd filed Critical Beijing Orient Environment Technology Co Ltd
Priority to CN201711393446.5A priority Critical patent/CN108114977A/en
Publication of CN108114977A publication Critical patent/CN108114977A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/10Reclamation of contaminated soil microbiologically, biologically or by using enzymes
    • B09C1/105Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C2101/00In situ

Abstract

Super enriching plant and the method in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation are utilized the invention discloses a kind of.Described method includes following steps:Cd-hyperaccumulator and energy-source plant are planted according to its natural growth period in cadmium pollution arable soil, conventional cultivation is carried out, by the absorption of the Cd-hyperaccumulator and the energy-source plant to cadmium and accumulation ability, achievees the purpose that restoring cadmium polluted arable land;The Cd-hyperaccumulator is S.plumbizincicola;The energy-source plant is sorghum or rape.The present invention provides a kind of cropping patterns from season of growth limitation, and with 1 year for repairing efficiency, multicroping utilizes longer growth cycle, pollution arable soil remediation efficiency is made to get a promotion, repairing efficiency shorten and it is workable, it is at low cost, repair it is more thorough.

Description

It is a kind of quick restoring cadmium polluted cultivated with energy-source plant crop rotation plantation using super enriching plant The method on ground
Technical field
Super enriching plant and the side in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation are utilized the present invention relates to a kind of Method belongs to the phytoremediation technology field of contaminated soil.
Background technology
With urbanization, industrialized accelerated development, the heavy metal pollution of soil problem of getting worse is to human health Serious threat is caused with social development.The aggravation of heavy metal pollution of soil not only influences the normal use of agricultural land soil and causes ground Lower water water quality deterioration, and agricultural product quality and quality problem are brought, serious threat to Living environment safety of human being and ecological environment peace Entirely.The Heavy Metal Pollution In Cultivated Land event of national large area takes place frequently in recent years.State Council's in May, 2016 issue《Soil pollution Prevent action plan》It proposes:To the year two thousand twenty, contaminated achilles tendon tear utilization rate reaches 90% or so, pollutes plot safe utilization Rate reaches more than 90%.To the year two thousand thirty, contaminated achilles tendon tear utilization rate reaches more than 95%, and pollution plot safe utilization rate reaches To more than 95%.To the year two thousand twenty, contaminated arable land is administered reaches 10,000,000 mu with repaired area.Face the bright of " ten, soil " proposition Really requirement, it is imperative that China is repaired in arable land.
Tradition arable land heavy metal pollution recovery technique includes agronomy regulation, passivation is repaired and phytoremediation.Agronomy regulation side Method includes broadcasting sowing quick lime adjusting soil pH value, water management and screens crop varieties with low heavy metal accumulation, and this method is still deposited It is not thorough in reparation, soil hardening, peasant may be caused to participate in the problems such as enthusiasm is low;Passivation, which is repaired, to be managed by adjusting soil Change the reactions such as property and oxidationreduction, reduce the validity of heavy metal in soil, this method still has repairing effect shakiness It is fixed, soil quality may be influenced, chronic administration mainly to aid in agronomy regulation in actual arable land reparation at present there are ecological risk.
Phytoremediation technology is a kind of bioremediation Technology for more potentiality that developed recently gets up, and is mainly carried including plant Take, phytovolatilization, plant passivation with plant filter four types.Arable land is generally repaired by the way of plant extract at present, i.e., Using the physiology of heavy metal super-enriched plant, ecology and biochemical function, activating rhizosphere heavy metal-polluted soil activity is absorbed and is transported to Plant shoot, harvesting aerial part burns again after completing reparation task, is finally filled as solid waste, so as to reach Except the purpose of heavy metal contaminants exceeded in arable soil.Phytoremediation technology is using low cost, high efficiency, original position to be excellent Gesture, the safe heavy metal contaminants handled in arable soil environment.But the big multi-biomass of super enriching plant is smaller and grows It is slow and less economical, and generally have in the big plant of economic benefit, biomass that heavy metal concentration is relatively low, often exist and repair Excessive cycle, it is difficult to meet quick the needs of repairing Farmland contamination.
Therefore, to the urgency for reparation task of ploughing in issue " ten, soil ", China is as populous nation in addition Grain security situation is, it is necessary in the phytoremediation technology that a kind of exploitation reparation in this field is quick, the cycle is short.
The content of the invention
The object of the present invention is to provide a kind of methods of quick reparation Heavy Metal Pollution In Cultivated Land, surpass richness using heavy metal Collect in plant-S.plumbizincicola and energy-source plant-sorghum and rape 1 year two batches, the mode of more batches of crop rotations in repairing efficiency utilizes The mode of crop rotation plantation shortens the cycle of Heavy Metal Pollution In Cultivated Land improvement, directly improves remediation efficiency;And reduce Arable land free time solves to be utilized respectively existing for super enriching plant and energy-source plant and is subject to seasonal restrictions, is slow-growing, biological The problems such as measuring small small, landfill amount and deficiency in economic performance.
In order to achieve the above objectives, the present invention uses following technical scheme:
A kind of method ploughed using red-spotted stonecrop plant and the quick improvement cadmium pollution of energy-source plant crop rotation plantation, is specifically used There is the mode that super enriching plant and energy-source plant shifting cultivation are carried out sequentially between season or between year.
The method of the present invention, which can solve continuously to plant super enriching plant in 1 year in acid soil in the south, can influence to repair effect The problem of fruit, quickly realizes efficient repairing heavy metal pollution arable land.
Wherein, the preferred S.plumbizincicola of the Cd-hyperaccumulator;The preferred sorghum of the energy-source plant or rape, rape variety Select index is carried out according to height low standard low with sulphur resources in rape cake containing content of erucic acid in measurement, vegetable seed (high oil is double low) It plants.
Specific embodiment is:
April transplanting scape S.plumbizincicola is until July harvest;After early August Soil tillage, planted late August Sorghum, the middle ten days and the last ten days in October direct-sowing rape gather in sorghum and rape overground part respectively late October and April next year, removably under Portion.
When implementing the method for the present invention, it can carry out as steps described below:
A) determine to repair arable land
Selected heavy metal pollution arable land to be repaired confirms that atmosphere pollution sedimentation pollution sources are truncated, and irrigation water water quality meets It is required that.Multiple cells are divided into entirely polluting cultivation area, per 64m2For a cell, the Sub-region and hierarchical acquisition initial sample of soil Soil pollution situation and fertility state are grasped in product, check analysis.
B) site preparation is turned over
It delimit and repairs cell, implement soil cultivation, general 15~30cm of tilling depth, 30~70cm of row spacing, with specific reference to preceding stubble And the Root Distribution and growing way of second stubble crop, judge tilth and row spacing.Generally can combine turn over apply organic fertilizer with it is compound Fertilizer.It turns over smooth, builds stalk and do furrow.
C) red-spotted stonecrop plantation and field management
Determine planting density;
When the soil moisture is up to 15~20 DEG C, (southern the greater part general mid-March to four during field capacity about 70% The middle of the month), selection is grown fine the S.plumbizincicola maternal plant of no disease and pests harm, is retained the stem section of 3~5 buds (8~15cm), is trimmed stem The blade of section base portion 1/3rd, is transplanted after standing 1~3 day in the cool, and blade can be made to cut injury with stem section after wound healing Without putrefaction increases transplanting survival rate.
Excavate planting pit simultaneously apply fertilizer, mid-April by the S.plumbizincicola nutrition branch oblique cutting of plant height about 10cm into soil, must During palpus ensures growing end upward, and stem section is not buried all, prevent that upper end stem cell dehydration is too fast, and lower end water suction is slow It is and dead.When nutrition branch grows young root, the urea liquid for spraying 0.5% in time carries out foliage spray;
Red-spotted stonecrop easily infects mushroom in the environment of high temperature, high humidity and rots, and a bacterium more than 50% is sprayed within the 3rd day after inserting The solution of clever 0.125% concentration, prevention disease pest occur to be beneficial to early take root;
It is irrigated according to soil moisture content, ensures that plant survives.It periodically loosens the soil and weeding, imposing concentration after one month is 0.1%~0.2% liquid fertilizer is once.
D) red-spotted stonecrop harvesting post processing
There is leaf natural and comes off return arable land in S.plumbizincicola in order to prevent, in red-spotted stonecrop phase in great numbers late July harvest scape My god, plant in-vivo heavy metal content is detected, is sent to garbage burning factory or biomass power plant, combustion power generation, flying dust and clinker are done Further harmless resource utilization disposal.
E) energy-source plant Cultivate administration
Early August or the middle ten days turn over arable land again, implementation soil deep ploughing, and general 25~30cm of tilling depth, row spacing 50~ 60cm does not break between each cell, and sorghum or rape is broadcast live;
Sorghum different growth stage is different to the uptake and speed of N, P, K element.According to " cultivation and banking, The principle of fertilising in due course ", top dressing ceiling effect period is in jointing stage, followed by boot stage.Intertillage trench digging is combined after jointing Ridging, promotes root section, prevents from lodging.
The timely final singling of winter rape:Thinning, final singling generally in 3~5 true leaves after emergence, plantation density are per acre 4~60,000 Strain;1~2 intertillage is carried out after emergence, to eliminate weeds, promotes growth of seedling;The plot for having irrigation conditions combines soil moisture in the soil Feelings are poured water in time and top dressing, top dressing (5-10kg/ mus of urea) based on nitrogenous fertilizer.
F) energy-source plant harvesting post processing
Sorghum harvests late October, and rape harvests overground part April next year, and sampling Detection plant shoot cadmium contains Amount, broomcorn straw are sent to alcohol fermentation factory, are fermented into industrial alcohol, and generated vinasse are used for biomass power generation, production in the process Raw economic value is increasing peasant income.Rape seed is pressed as edible oil, and feed or fertilizer are made in the processing of dregs of rice cake Non-toxic, and stalk is used In biomass power generation.
S.plumbizincicola, sorghum and the rape that the present invention uses can show preferable soil-grown adaptability, in dirt There are preferable tolerance and enriching to cadmium in dye arable soil, arable soil idle periods are effectively make use of, with the side of crop rotation Formula combines that red-spotted stonecrop plant is big to the hyperaccumulation of cadmium and energy-source plant biomass and the advantage of economy, increases plant pair Uptake in arable soil, so as to fulfill the quick reparation of arable land heavy-metal contaminated soil.
The S.plumbizincicola that the present invention uses is a kind of crassulaceae plants for being grown on Zhejiang Pb-Zn deposits area, is had super rich Collect cadmium, the ability of lead, 10~40cm of plant height.
The sorghum that the present invention uses, belongs to grass family sorghum, sorghum mutation, annual herb plant, high 3~5m, fits Answering property is stronger, drought-enduring, waterlogging, saline-alkali tolerant etc..
The rape that the present invention uses belongs to Cruciferae Brassica genus, more year life or annual herb plant.
S.plumbizincicola, sorghum and the rape that the present invention uses can be by the heavy metals extracted in arable layer with being transferred to plant Top by burning disposal after harvest, collects flying dust or lime-ash is filled as solid waste or recycling recycling.Next year Repeat above reparation flow.
In restorative procedure of the present invention, the super enriching plant S.plumbizincicola and heavy metal of use are middle and high to wait the accumulation types energy to plant Object sorghum and rape, cadmium that can be in cadmium pollution arable soil in normal growth and Enriching soil.Due to three of the above reparation Plant soil adaptive faculty is strong, can be improved to different root system of plant depth nutrition interest rates and light-use with the cropping pattern of crop rotation Rate solves the problems, such as perishable and be limited and make by the super enriching plant season of growth in high-temperature high humidity season red-spotted stonecrop plant root The phenomenon that leaving unused into pollution arable land.Therefore, the present invention is using the S.plumbizincicola for having hyperaccumulation to cadmium, the big weight with biomass Metal is middle and high to wait accumulation types sorghum and rape, and crop rotation plantation is carried out on cadmium pollution arable land, effectively make use of S.plumbizincicola, The nutritional ingredient and the efficiency of light energy utilization of the different depth root system of sorghum and rape reduce pollution arable land free time, further Plant is increased to cadmium extracted amount in soil, cadmium remediation efficiency is improved, effectively shortens cadmium pollution arable land reparation week so as to reach The target of phase.
To sum up, the present invention has the advantages that:
The present invention carries out crop rotation kind using the big sorghum of the upperground part biomass and rape with super enriching plant S.plumbizincicola It plants rather than nonoculture super enriching plant or the big energy-source plant of nonoculture biomass is repaired, not only improve plant to pollution The total extracted amount of heavy metal in soil shortens repairing efficiency, and energy-source plant has certain economic utilization mode, for Industry Model is repaired in arable land certain economic boost effect.The present invention provides a kind of plantations from season of growth limitation Pattern, with 1 year for repairing efficiency, multicroping utilizes longer growth cycle, is carried pollution arable soil remediation efficiency Rise, repairing efficiency shorten and it is workable, it is at low cost, repair it is more thorough.
Description of the drawings
Fig. 1 is crop rotation and Cadmium in Soil reduced rate under nonoculture pattern in the embodiment of the present invention 1.
Fig. 2 is crop rotation and plant shoot cadmium extracted amount under nonoculture pattern in the embodiment of the present invention 1.
Specific embodiment
Experimental method used in following embodiments is conventional method unless otherwise specified.
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
Embodiment 1, cadmium pollution arable land repairing test
1st, trial zone overview
Trial zone is located at county of Hunan Province, and this area belongs to subtropical monsoon climate, 17 DEG C of average temperature of the whole year, annual drop Water 1392mm.Experimental field for mining area by heavy metal pollution farmland, due to upwind metallurgical works long term atmospheric sedimentation and Sewage irrigation causes cadmium in agricultural land soil slightly exceeded, soil pH value 5.2, cadmium concentration average out in plough horizon 0.6mg/kg。
2nd, experimental design
Trial zone includes 1 check plot and 2 processing groups, carries out 3 repetitions respectively, and cell number is equal to processing number, often A processing group is 6m × 10.5m.
Specific processing is as follows:Processing group 1 is S.plumbizincicola single (CK), and processing group 2 is S.plumbizincicola and sorghum crop rotation kind It plants, processing group 3 is planted for S.plumbizincicola and rape rotation.The on-test in 2016, to soil sample between 2016 to 2017 It is acquired and analyzes with plant sample.Field arrangement is in addition to it should set certain repeating groups in field experimental design, also Random alignment and the principle of Partial controll should be implemented.Random alignment refers to that in same district's groups each processing group has identical Probability is appeared in an arbitrary subdistrict position.Partial controll refers to through classifying rationally district's groups, to reach the examination of control field The method for testing error.
1 field trial Quarter Design scheme of table
Classification Numerical value
The gross area 700m2
Protection row 0.5m
Plant line-spacing (red-spotted stonecrop, sorghum, rape) 0.15m、0.6m、0.2m
Plant strain is away from (red-spotted stonecrop, sorghum, rape) 0.15m、0.2m、0.2m
Plant strain number (red-spotted stonecrop, sorghum, rape) 2844 plants, 534 plants, 800 plants
Total processing number 3
Repeat number 3
Each processing plot area 64m2
3rd, scheduling is tested
Health, S.plumbizincicola growth branch of the same size are taken, smears root-inducing powder in growth lower end, cuttage is planted in draining In good soil, soil is using vermiculite, turfy soil and sandy soil according to 1:1:3 configurations.Since sengreen need not have Deep root system goes to draw the moisture of soil bottom, and the depth of cuttage is not required too deep general 3 centimetres.The root long of long shoot to be generated is about 5cm has 6 true leaves that can transplant to crop field.
S.plumbizincicola is moved cuttage to each processing group in experimental plot by the beginning of April, is harvested 9 processing group red-spotted stonecrops late July and is planted Strain, autumn harvest after in time stubble ploughing, rotary tillage, rake the soil level, general 25 centimetres of tilling depth, 50~60 centimetres of row spacing are accumulated with stubble autumn and winter after guarantor The moisture in upper soll layer is stored, for germination, accomplishes that nothing is balked, without clod.Late August plants sorghum in second processing group, Late October harvests sorghum;In the middle ten days and the last ten days in October in the 3rd processing group direct-sowing rape, rape is harvested late April next year.According to The Root Distribution and growing way of preceding stubble and second stubble crop judge tilth and row spacing.It can generally combine and turn over application organic fertilizer, plough Deep 15~30cm, 30~70cm of row spacing apply fertilizer as soil of deep ploughing prior to seeding, for the first time applications of farmyard manure 1000kg per acre, nitrogenous fertilizer 25kg, phosphate fertilizer 8kg, potash fertilizer 5kg.It builds stalk and does furrow, per the wide 1.5~2.5m of furrow.
4th, sampling and analysis
It is sampled respectively in every cell along serpentine route with bamboo sampler before and after experiment, every 1 square meter, one soil sample, Non-rhizosphere soils are gathered, 1kg is mixed into and air-dries as pedotheque;Tap water and deionized water are used after plant harvest per cell It successively cleans, dry, weighing, crushing spare.Pedotheque is disappeared using chloroazotic acid-perchloric acid to be boiled, plant sample HNO3-HClO4Disappear After boiling, Cd concentration uses atomic absorption spectrometry.
Data preparation result (Cadmium in Soil reduced rate and plant shoot cadmium extracted amount) is as depicted in figs. 1 and 2.
The Cadmium in Soil mean repair rate taken turns by red-spotted stonecrop it can be seen from Fig. 1-2 and sorghum under dealing with is that single is planted with ore deposit scape It 1.54 times, the plant shoot cadmium extracted amount that is averaged is that single plants 1.31 times of S.plumbizincicola;Red-spotted stonecrop is handled with rape rotation Under Cadmium in Soil mean repair rate be that single plants 1.17 times of S.plumbizincicola, the plant shoot cadmium extracted amount that be averaged is single plant companion 1.2 times of ore deposit red-spotted stonecrop.Show that S.plumbizincicola adds uptake of the plant to cadmium in soil with energy-source plant crop rotation plantation, and carry Cadium In Polluted Soil removal rate is risen, wherein utilizing S.plumbizincicola and the average annual reduction for repairing slight pollution arable land of sorghum crop rotation Rate is up to 31.6%.

Claims (8)

1. a kind of method for planting restoring cadmium polluted arable land using super enriching plant and energy-source plant crop rotation, includes the following steps:
Cd-hyperaccumulator and energy-source plant are planted according to its natural growth period in cadmium pollution arable soil, carry out conventional cultivation Training, by the absorption of the Cd-hyperaccumulator and the energy-source plant to cadmium and accumulation ability, reaches restoring cadmium polluted arable land Purpose;
The growth period of the Cd-hyperaccumulator and the energy-source plant staggers.
2. according to the method described in claim 1, it is characterized in that:The Cd-hyperaccumulator is S.plumbizincicola;
The energy-source plant is sorghum or rape.
3. according to the method described in claim 2, it is characterized in that:The S.plumbizincicola is colonized by the way of cuttage;
Before the cuttage, carry out site preparation and turn over and apply fertilizer;
It is 65%~75% that field capacity is kept in repairing efficiency.
4. according to the method described in claim 3, it is characterized in that:The tilling depth that the site preparation is turned over is 15~30cm, and row spacing is 30~70cm.
5. according to the method any one of claim 2-4, it is characterised in that:The S.plumbizincicola is transplanted April, July harvests;Then the sorghum is planted August to October or plants the rape April October to next year.
6. according to the method any one of claim 2-5, it is characterised in that:Be broadcast live the sorghum or the rape it Before, it carries out arable land and turns over, the tilling depth turned over of ploughing is 25~30cm, and row spacing is 50~60cm.
7. according to the method any one of claim 1-6, it is characterised in that:After repairing efficiency, the cadmium surpasses richness It is burned after collection plant shoot harvesting, is filled or recycled as solid waste after ashing.
8. according to the described method of any one of claim 1-7, it is characterised in that:The straw of the energy-source plant carries out direct combustion Power generation, secondary use fermenting and producing industrial alcohol can be carbonized as charcoal.
CN201711393446.5A 2017-12-20 2017-12-20 It is a kind of to utilize super enriching plant and the method in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation Pending CN108114977A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711393446.5A CN108114977A (en) 2017-12-20 2017-12-20 It is a kind of to utilize super enriching plant and the method in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711393446.5A CN108114977A (en) 2017-12-20 2017-12-20 It is a kind of to utilize super enriching plant and the method in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation

Publications (1)

Publication Number Publication Date
CN108114977A true CN108114977A (en) 2018-06-05

Family

ID=62230843

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711393446.5A Pending CN108114977A (en) 2017-12-20 2017-12-20 It is a kind of to utilize super enriching plant and the method in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation

Country Status (1)

Country Link
CN (1) CN108114977A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108817077A (en) * 2018-07-31 2018-11-16 西施生态科技股份有限公司 A method of utilizing super enriching plant Tephrosia candida remediating lead-contaminated soil
CN109201713A (en) * 2018-08-21 2019-01-15 湖南新九方科技有限公司 The administering method of industrial crops interplanting leguminous plant restoration of soil polluted by heavy metal
CN109328916A (en) * 2018-11-23 2019-02-15 湖南科技大学 A method of Absorption of Rape heavy metal is reduced using miscegenation flowers
CN109530417A (en) * 2018-12-27 2019-03-29 浙江大学 A kind of method that rape-semilate rice crop rotation is produced when repairing in cadmium pollution soil
CN109622610A (en) * 2019-01-30 2019-04-16 四川大学 Heavy metal pollution of soil plant restoration method
CN109746255A (en) * 2019-03-19 2019-05-14 东南大学 A kind of method of activator joint Phytoremediation of Soils Contaminated by Heavy Metals
CN109892180A (en) * 2019-03-04 2019-06-18 湖南省农业环境生态研究所 The method of Phytolacca acinosa and rice crop rotation cadmium pollution soil repair
CN110052485A (en) * 2019-04-16 2019-07-26 浙江大学 A method of strengthen to extract using rape-Sedum alfredii Hance intercropping and interplanting and repairs cadmium mild or moderate polluted agricultural land
CN110238179A (en) * 2019-07-15 2019-09-17 昆明理工大学 A kind of pterylosis rush as pionner Acid mine discardedly it is multiple it is green in application and method
CN110743908A (en) * 2019-11-26 2020-02-04 西北师范大学 Method for restoring cadmium-polluted soil by using sedum alfredii hance, soil dressing method and low-absorption corn

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007209894A (en) * 2006-02-09 2007-08-23 National Institute For Agro-Environmental Science Decontamination method of heavy-metal-polluted soil
CN101724404A (en) * 2009-11-06 2010-06-09 华南农业大学 Heavy metal contaminated soil conditioner and plant and chemistry combined remediation method
CN104772327A (en) * 2015-03-07 2015-07-15 湖南农业大学 Method for repairing heavy metal-contaminated soil by using oilseed rape-oil sunflower crop rotation technology
CN105532227A (en) * 2015-12-21 2016-05-04 新疆农业科学院生物质能源研究所 Sweet-sorghum field planting method for remedying Cd, Pb and Cr compound contaminated soil
CN105817471A (en) * 2016-05-24 2016-08-03 湖南农业大学 Method for repairing heavy metal contaminated soil by rape-peanut crop rotation mode
CN105921511A (en) * 2016-05-10 2016-09-07 湖南农业大学 Method for repairing soil heavy metal cadmium pollution through endive-oil sunflower crop rotation mode
CN106982630A (en) * 2017-04-06 2017-07-28 贵州省蚕业研究所 Persistently kept the safety in production using low cadmium capsicum/companion's ore deposit red-spotted stonecrop strip cropping the method for capsicum
CN107175256A (en) * 2017-07-27 2017-09-19 河南工业大学 Utilize the method for two kinds of shift of crops cadmium pollution soil repairs
CN107363082A (en) * 2017-07-04 2017-11-21 王坤 A kind of method using high biomass compatibility sorghum restoration of soil polluted by heavy metal

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007209894A (en) * 2006-02-09 2007-08-23 National Institute For Agro-Environmental Science Decontamination method of heavy-metal-polluted soil
CN101724404A (en) * 2009-11-06 2010-06-09 华南农业大学 Heavy metal contaminated soil conditioner and plant and chemistry combined remediation method
CN104772327A (en) * 2015-03-07 2015-07-15 湖南农业大学 Method for repairing heavy metal-contaminated soil by using oilseed rape-oil sunflower crop rotation technology
CN105532227A (en) * 2015-12-21 2016-05-04 新疆农业科学院生物质能源研究所 Sweet-sorghum field planting method for remedying Cd, Pb and Cr compound contaminated soil
CN105921511A (en) * 2016-05-10 2016-09-07 湖南农业大学 Method for repairing soil heavy metal cadmium pollution through endive-oil sunflower crop rotation mode
CN105817471A (en) * 2016-05-24 2016-08-03 湖南农业大学 Method for repairing heavy metal contaminated soil by rape-peanut crop rotation mode
CN106982630A (en) * 2017-04-06 2017-07-28 贵州省蚕业研究所 Persistently kept the safety in production using low cadmium capsicum/companion's ore deposit red-spotted stonecrop strip cropping the method for capsicum
CN107363082A (en) * 2017-07-04 2017-11-21 王坤 A kind of method using high biomass compatibility sorghum restoration of soil polluted by heavy metal
CN107175256A (en) * 2017-07-27 2017-09-19 河南工业大学 Utilize the method for two kinds of shift of crops cadmium pollution soil repairs

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108817077A (en) * 2018-07-31 2018-11-16 西施生态科技股份有限公司 A method of utilizing super enriching plant Tephrosia candida remediating lead-contaminated soil
CN109201713A (en) * 2018-08-21 2019-01-15 湖南新九方科技有限公司 The administering method of industrial crops interplanting leguminous plant restoration of soil polluted by heavy metal
CN109328916A (en) * 2018-11-23 2019-02-15 湖南科技大学 A method of Absorption of Rape heavy metal is reduced using miscegenation flowers
CN109530417A (en) * 2018-12-27 2019-03-29 浙江大学 A kind of method that rape-semilate rice crop rotation is produced when repairing in cadmium pollution soil
CN109530417B (en) * 2018-12-27 2020-07-24 浙江大学 Method for performing crop rotation, repairing and production of rape-medium rice in cadmium-polluted soil
CN109622610A (en) * 2019-01-30 2019-04-16 四川大学 Heavy metal pollution of soil plant restoration method
CN109892180A (en) * 2019-03-04 2019-06-18 湖南省农业环境生态研究所 The method of Phytolacca acinosa and rice crop rotation cadmium pollution soil repair
CN109746255A (en) * 2019-03-19 2019-05-14 东南大学 A kind of method of activator joint Phytoremediation of Soils Contaminated by Heavy Metals
CN110052485A (en) * 2019-04-16 2019-07-26 浙江大学 A method of strengthen to extract using rape-Sedum alfredii Hance intercropping and interplanting and repairs cadmium mild or moderate polluted agricultural land
CN110238179A (en) * 2019-07-15 2019-09-17 昆明理工大学 A kind of pterylosis rush as pionner Acid mine discardedly it is multiple it is green in application and method
CN110743908A (en) * 2019-11-26 2020-02-04 西北师范大学 Method for restoring cadmium-polluted soil by using sedum alfredii hance, soil dressing method and low-absorption corn

Similar Documents

Publication Publication Date Title
CN108114977A (en) It is a kind of to utilize super enriching plant and the method in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation
Fan et al. Conventional flooding irrigation causes an overuse of nitrogen fertilizer and low nitrogen use efficiency in intensively used solar greenhouse vegetable production
Gu et al. Lysimeter study of nitrogen losses and nitrogen use efficiency of Northern Chinese wheat
CN106180160B (en) Method for promoting castor to restore cadmium-zinc combined polluted soil
CN107836303B (en) Cadmium-polluted farmland safe utilization method based on multifunctional crop sweet sorghum
CN102000692A (en) Agricultural method for recovering cadmium pollution farmland soil
CN103894401A (en) Phytoremediation method for managing composite cadmium-lead-arsenic contaminated soil
CN104025743A (en) Method for restoring desertificated lands by aid of charcoal
CN104025863B (en) Use the method that super enriching plant improves Radix Achyranthis Bidentatae chrysanthemum cadmium pollution soil repair ability
CN104025864B (en) Use the method that enriching plant improves shepherd's purse reparation orchard cadmium pollution soil ability
CN105290103A (en) Method for utilizing cadmium-resisting fungus aspergillus aculeatus for promoting festuca arundinacea to remedy cadmium contaminated soil
CN102513338A (en) Method for restoring copper-polluted soil by plants
CN103639183A (en) Method for restoring heavy-metal-contaminated soil by utilizing oil sunflower planting
WEN et al. Effects of water-collecting and-retaining techniques on photosynthetic rates, yield, and water use efficiency of millet grown in a semiarid region
CN102699015A (en) Method for repairing cadmium, lead and copper combined-polluted soil with broom cypress
CN108059492A (en) A kind of method that vegetables residuum original position, quick Fertilizer Transformed utilize
CN105532227A (en) Sweet-sorghum field planting method for remedying Cd, Pb and Cr compound contaminated soil
CN103406348A (en) Application of Youngia erythrocarpa in restoration of orchard soil contaminated by heavy metal cadmium
CN101941018A (en) Method for remediating cadmium contaminated soil by using ornamental plant smooth joyweed
Wang et al. Yield, nitrogen use efficiency and economic benefits of biochar additions to Chinese Flowering Cabbage in Northwest China
CN103250539A (en) Method for reducing absorption of cadmium by rape
CN104255217A (en) Method for rapidly greening red mud stacking area by using Pennisetum hybridum
CN110280584B (en) Biological removal method for heavy metals in soil
CN103238439B (en) Method for screening cadmium rejection varieties of leaf-edible rapes
CN103262734B (en) Method for improving growth of lolium perenne by utilizing sludge rehabilitation solution

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20190702

Address after: Room 511, 5th Floor, No.8 Cultural Park, Xinglongzhuang Township, Gaobeidian Township, Chaoyang District, Beijing

Applicant after: Beijing Fudi Zhongye Environmental Technology Co., Ltd.

Address before: 100015 Six Floors, 103 Floor, IT Electronic City, No. 10 Jia, North Jiuxianqiao Road, Chaoyang District, Beijing

Applicant before: Beijing orient Environment Technology Co., Ltd.

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180605