CN108787721A - A kind of plant restoration method of arid and semi-arid area copper polluted soil - Google Patents
A kind of plant restoration method of arid and semi-arid area copper polluted soil Download PDFInfo
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- CN108787721A CN108787721A CN201710299661.2A CN201710299661A CN108787721A CN 108787721 A CN108787721 A CN 108787721A CN 201710299661 A CN201710299661 A CN 201710299661A CN 108787721 A CN108787721 A CN 108787721A
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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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Abstract
The present invention provides a kind of plant restoration methods of arid and semi-arid area copper polluted soil, carry out ashing processing the method includes planting pot marigold on copper polluted soil, and to the pot marigold after picking petal, do not enter food chain, do not generate harm to human health.The present invention method by planting pot marigold on heavy metal cuprum polluted soil, not only can with rehabilitating soil, beautify the environment again can by extract petal pigment acquisition economic benefit;For the pollution condition of heavy metal copper, pot marigold can be used for soil remediation, and this restorative procedure expense is relatively low, repairing effect is apparent, operability is strong and will not have an adverse effect to soil physico-chemical property, not cause secondary pollution.
Description
Technical field
The present invention relates to field of environment protection, in particular to a kind of plant restoration method of copper polluted soil.
Background technology
Necessary element of the copper as biology, the mankind are long ago just early to be found, copper plays an important role in vivo,
Copper element shortage can influence biological normal metabolism, but can have into the copper of object element is excessive to the toxic effect of organism
Studies have shown that the excessively high synthesis that can influence chlorophyll of copper concentration, inhibits the growth of root system of plant, severe patient to can be plant wilt,
It is even dead.
Mining industry and industrial solid castoff are the main sources of Cu Pollution in Soil.China western part arid and semi-arid area is by copper dirt
Dye is serious, and only the reserves of Jinchang City copper just account for national second, during exploiting mineral products and metal smelting promotion economic development
Local environment is destroyed, research finds that the content of copper in Jinchang City soil just had reached local Soil Background in 2011
16.5 times of value.
The method of existing restoration of soil polluted by heavy metal includes mainly physical method at present, such as:Soil replacement method, steam extraction
Method, Vitrification, electrodynamics method etc.;Chemical method, such as:Chemical leaching method, solvent extraction method, oxidizing process, reduction method etc..But
Both restorative procedures all existing defects, such as:Investment is big, equipment is complicated, there are secondary pollutions etc., therefore can't realize
Large area repair.As current most popular reparation means, phytoremediation is to utilize rehabilitation plant using solar energy as driving force
Metabolic activity come extract, volatilize, degrade, the heavy metal in fixed-contamination soil.
Ceratoides latens, sacsaoul, oat, dayflower, Elsholtzia haichowensis etc. are all the super enriching plants of heavy metal copper, but some of
Plant can not adapt to the special environment in arid and semi-arid area and can not survive, although some can be survived, biomass is too small,
The heavy metal amount of enrichment is considerably less.
Pot marigold can not only adapt to the special environmental condition in arid and semi-arid area, and have to the higher soil of copper concentration
Have very strong patience, in arid and semi-arid area soil the growth of the higher pot marigold of copper concentration be not only not inhibited,
Biomass increases instead, and pigment can be extracted from flower, therefore plantation pot marigold can not only be repaiied on Cu-W ore deposit soil
It answers contaminated soil and can beautify the environment, obtain economic benefit.
In view of this, special propose the present invention.
Invention content
The purpose of the present invention is to provide a kind of plant restoration method of arid and semi-arid area copper polluted soil, the methods
Using pot marigold to the tolerance and accumulation ability of metallic copper, pot marigold is planted on copper polluted soil, and by rational
Field management and picking come achieve the purpose that allow copper segregation and finally by concentrate ashing handle.
In order to realize that the above-mentioned purpose of the present invention, spy use following technical scheme:
One aspect of the present invention is related to a kind of plant restoration method of arid and semi-arid area copper polluted soil, in copper polluted soil
Upper plantation pot marigold, and ashing processing is carried out to the pot marigold after the florescence.
Pot marigold has very strong patience to the higher soil of copper concentration, and is more easy to give birth under this kind of soil environment condition
Long, plantation pot marigold can thoroughly remove it from soil by the copper segregation in soil and by cradling after the florescence and ashing
The copper being enriched in earth.
Preferably, plant restoration method of the invention is suitable for the heavy-metal contaminated soil in arid and semi-arid area.
Arid and semi-arid area environment is special, and there is many plant of copper segregation effect can not survive, although some can survive
Get off, but biomass is too small, the heavy metal amount of enrichment is considerably less, and pot marigold can not only adapt to the higher soil of copper concentration, also
It is adapted to the special environmental condition in arid and semi-arid area, by reasonably planting and managing, in arid and semi-arid area soil
It grows in the case of middle copper concentration is higher and is not only not inhibited, biomass increases instead, is thus particularly suited for carrying out arid half-dried
The reparation of the copper polluted soil of drought-hit area.
Preferably, the process of the plantation pot marigold includes:
1)Sowing:Mulch bedding soil, rear program request pot marigold seed is used simultaneously to carry out earthing after applying base manure;
2)Field management:Thinning and final singling are carried out, discovery is filled the gaps with seedlings when being short of seedling, and is applied to seedling in cultivating process
Fertilizer is poured water, tillage and weeding and the prevention and control of plant diseases, pest control;
3)Picking:The picking of flower is carried out to pot marigold within the florescence.
Preferably, it first levels land after the defrosting of spring soil, applies base manure, shift to an earlier date 7 days in whole good ground with upper berth
Film is crossed by 70cm line-spacings, with the mulch of breadth 120cm, after ground temperature is mentioned with ground moisture in the soil, by spacing in the rows rupture of membranes program request pot marigold
Seed, per 2 row of film kind.
It is applied fertilizer according to the nutrient uptake feature of pot marigold different growing, applies decomposed organic of 1000-1500 kg per acre
Fertilizer, in conjunction with plough, site preparation apply be used as base manure;Top dressing is carried out in combination with pouring water, imposes 10 kg of urea, 5 kg of potassium sulfate per acre,
Burrow between strain deep placement after mixing, pours water immediately after.
It pours water and ensures emergence water, be filled with enough nutrient growth water, time of infertility pot marigold needs 240 m of water per acre3~300 m3,
After preceding crop harvest, soil of deep ploughing in time, November carries out winter irrigation, per acre 60 m of irrigation quantity3~80 m3, it is desirable that it is filled with enough
Thoroughly, to ensure coming year insemination and emergence.
The intertillage of pot marigold is hoed up weeds between should combining, final singling carries out, and seedling stage combines ridging to carry out, and generally carries out 3~4 intertillages
It hoes up weeds;It earths up in time from the ranks or in pool in plant base portion when earth's surface is dried after pouring water, pushes down mulch, it is indefinite to inspire
Root prevents from lodging.Ridged plant ridging thickness requirement at least 10 cm;It should highly reach 20 at ridge shape after the plantation ridging of level land
cm。
Preferably, using covering with ground sheeting soil 7 days or more.
Preferably, the seed used of sowing is that germination percentage is higher than 80%, and cleanliness is more than 98%, and purity is aqueous more than 99%
Pot marigold seed of the amount less than 12%, it is preferable that the liquor potassic permanganate of 0.05-0.15% is used to impregnate 20-40 before planting
Minute.
It is chosen seeds with above-mentioned standard, in order to prevent pest and disease damage, is impregnated using potassium permanganate, clear water is applied after the completion of impregnating
It rinses and dries.
Preferably, the amount for applying base manure is 1000-1500kg per acre, it is preferable that the base manure is that fully decomposed have
Machine fertilizer.
Preferably, the spacing in the rows of the program request is 25-35cm, it is preferable that per 2-3 seeds of cave program request.
Preferably, thinning processing is carried out when seedling is up to 10-15cm, and final singling is carried out when seedling is up to 20-25cm;It is excellent
Selection of land when thinning, stays 2-3 plant per cave, and often cave stays one plant when final singling.
Preferably, the prevention and control of plant diseases, pest control includes spray Bravo wettable powder or powder of carbendazim 500-700 times
Liquid is with Lesion;Preferably, the prevention and control of plant diseases, pest control further includes spraying 3000-5000 times of liquid of avermectin or B.T powder
80-120 times of liquid of agent is with pest control.
In order to prevent pest and disease damage, matrix is coped at seeding time and does high-temperature sterilization processing;Hole tray must be with 0.3%-0.5%'s
The unrestrained bubble of liquor potassic permanganate after ten minutes dry by clear water flushing;Hole tray is put on seedling culture frame, keeps the growing environment of seedling logical
Wind is ventilative, prevents the generation of seedling sudden fall ill.
The disease of pot marigold is based on gray mold, droop and downy mildew, at this time if there is disease generation can early be sprayed in time
600 times of liquid of 75% Bravo wettable powder, 600 times of liquid or powder of carbendazim are applied for Lesion.Pot marigold is easily by latent
Leaf fly, aphid and cabbage caterpillar infringement, can spray, leaf using 100 times of liquid of 3000-5000 times of liquid of avermectin or B.T pulvis
Face and blade back will fully spray, to ensure drug effect.
Preferably, the picking carried out primary per 10-12 days, and the entire florescence carries out 6-7 times, it is preferable that when picking, will spend
It piece is cut from 0.8-1.5cm bennets under holder.
The florescence of pot marigold is long, and generally at 90 days or so, the time of infertility needs picking 6-7 times, 80% flower of pot marigold field
It should pick after opening completely, can all cause damages too early or to yield and pigment content too late in time.In normal year, pot marigold
First time picking generally was carried out 10~15 July, it is later primary every 10d~12d pickings.The flower of pot marigold can be used
It extracts pigment, and obtains economic well-being of workers and staff.
Preferably, the ashing processing includes cradling aerial part and harvesting under ground portion, and concentrate the stalk that will be obtained
It is burned with root system.
Compared with prior art, beneficial effects of the present invention are:
(1)On heavy metal cuprum polluted soil plant pot marigold not only can with rehabilitating soil, beautify the environment again can by extraction pigment
Obtain economic benefit;
(2)Pot marigold after picking petal carries out ashing processing, does not enter food chain, does not generate harm to human health;
(3)For the pollution condition of heavy metal copper, pot marigold can be used for soil remediation, this restorative procedure expense is relatively low,
Repairing effect is apparent, operability is strong and will not have an adverse effect to soil physico-chemical property, not cause secondary pollution;
(4)The ability that pot marigold adapts to arid and semi-arid area special climate environment is strong, can large area plantation, ground biomass
Greatly, there is repair to arid and semi-arid area heavy metal cuprum polluted soil.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described.
Fig. 1 is the column schematic diagram of the dry weight of pot marigold overground part and underground part under different Cu concentration for the treatment of;
Fig. 2 is the column schematic diagram of the copper content of pot marigold overground part and underground part under the conditions of different disposal.
Specific implementation mode
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
Embodiment 1
Experimental field it is located at the big sand furrow of Jinchang City(38 ° 31 ' of north latitude, 102 ° 10 ' of east longitude, height above sea level 1456m).Belong to middle temperate zone continent type
Weather, year samming be 4.8 DEG C or so, average annual rainfall be 110mm.The ground soil pH value is 8.24.In 40cm depth in soil
The average content of heavy metal copper is 8.92mg/kg, considerably beyond Soil In Gansu Province environmental background value, also above national soil environment
Quality standard.
Site preparation and fertilization after spring soil thaws, by 35cm spacing in the rows rupture of membranes program request pot marigold seeds, per 2-3 kinds of cave program request
Son, earthing 0.5cm after program request, per 2 row of film kind, it is the g of 50 g~75 that mu, which broadcasts pot marigold naked seed amount,.Pot marigold is carried out to look into seedling benefit
Kind(1 pearl stalwartness plant is stayed per cave, stays 4000 plants of seedling per acre), intertillage hoe up weeds, earth up, applying fertilizer, pouring water, the prevention and control of plant diseases, pest control etc. it is normal
Field management.
The florescence of pot marigold is long, and generally at 90 days or so, the time of infertility needs picking 6-7 times, 80% flower of pot marigold field
It should pick after opening completely, can all cause damages too early or to yield and pigment content too late in time.In normal year, pot marigold
Generally carried out first time picking 10~15 July, it is later primary every 10d~12d pickings, by flower under holder 1cm
It is cut at bennet, extracts pigment, obtain economic benefit.It cradles and harvests under ground portion with rotary cultivator after aerial part(Only 1/3
Root can be retracted), finally concentrate and stalk and root system be subjected to ashing processing, realize the absorption to copper in soil.
The experimental results showed that planting pot marigold in the big sand furrow of Jinchang City, 1500 yuan of economic benefit can get per acre, gold
The aerial part dry weight of small cup chrysanthemum single plant is 2.51g, and under ground portion dry weight is 0.37g, and the heavy metal copper of pot marigold aerial part is inhaled
Receipts amount is 6.14mg/kg(Spent for pot marigold shared small, and its enriching quantity is natively seldom, therefore calculates on the ground
When the uptake of portion's cadmium, colored enriching quantity is ignored), under ground portion uptake is 6.81 mg/kg, is only had with rotary cultivator
1/3 under ground portion can be harvested, therefore often one batch of pot marigold of plantation can take away the weight of 65.01mg from one mu of copper polluted soil
Metallic copper has reparative potential to arid and semi-arid area heavy metal cuprum polluted soil.
Embodiment 2
Experimental field it is located at Jinchang City Bai Jiazhuan(38 ° 29 ' of north latitude, 102 ° 11 ' of east longitude, height above sea level 1451m).Belong to middle temperate zone continent type
Weather, year samming be 4.7 DEG C or so, average annual rainfall be 112mm.The ground soil pH value is 7.76.In 40cm depth in soil
The average content of heavy metal copper is 8.92mg/kg, considerably beyond Soil In Gansu Province environmental background value, also above national soil environment
Quality standard.
Site preparation and fertilization after spring soil thaws, by 33cm spacing in the rows rupture of membranes program request pot marigold seeds, per 2-3 kinds of cave program request
Son, earthing 0.5cm after program request, per 2 row of film kind, it is the g of 50 g~75 that mu, which broadcasts pot marigold naked seed amount,.Pot marigold is carried out to look into seedling benefit
Kind(1 pearl stalwartness plant is stayed per cave, stays 4200 plants of seedling per acre), intertillage hoe up weeds, earth up, applying fertilizer, pouring water, the prevention and control of plant diseases, pest control etc. it is normal
Field management.
The florescence of pot marigold is long, and generally at 90 days or so, the time of infertility needs picking 6-7 times, 80% flower of pot marigold field
It should pick after opening completely, can all cause damages too early or to yield and pigment content too late in time.In normal year, pot marigold
Generally carried out first time picking 10~15 July, it is later primary every 10d~12d pickings, by flower under holder 1cm
It is cut at bennet, extracts pigment, obtain economic benefit.It cradles and harvests under ground portion with rotary cultivator after aerial part(Only 1/3
Root can be retracted), finally concentrate and stalk and root system be subjected to ashing processing, realize the absorption to copper in soil.
The experimental results showed that planting pot marigold in Jinchang City Bai Jiazhuan, 1500 yuan of economic benefit can get per acre, gold
The aerial part dry weight of small cup chrysanthemum single plant is 2.56g, and under ground portion dry weight is 0.37g, and the heavy metal copper of pot marigold aerial part is inhaled
Receipts amount is 7.04mg/kg(Spent for pot marigold shared small, and its enriching quantity is natively seldom, therefore calculates on the ground
When the uptake of portion's copper, colored enriching quantity is ignored), under ground portion uptake is 6.91 mg/kg, is only had with rotary cultivator
1/3 under ground portion can be harvested, therefore often one batch of pot marigold of plantation can take away the weight of 79.27mg from one mu of copper polluted soil
Metallic copper has reparative potential to arid and semi-arid area heavy metal cuprum polluted soil.
Embodiment 3
Experimental field it is located at Jinchang City Yushigou(38 ° 28 ' of north latitude, 102 ° 10 ' of east longitude, height above sea level 1457m).Belong to middle temperate zone continent type
Weather, year samming be 4.8 DEG C or so, average annual rainfall be 113mm.The ground soil pH value is 8.39.In 40cm depth in soil
The average content of heavy metal cadmium is 8.78mg/kg, considerably beyond Soil In Gansu Province environmental background value, also above national soil environment
Quality standard.
Site preparation and fertilization after spring soil thaws, by 30cm spacing in the rows rupture of membranes program request pot marigold seeds, per 2-3 kinds of cave program request
Son, earthing 0.5cm after program request, per 2 row of film kind, it is the g of 50 g~75 that mu, which broadcasts pot marigold naked seed amount,.Pot marigold is carried out to look into seedling benefit
Kind(1 pearl stalwartness plant is stayed per cave, stays 4500 plants of seedling per acre), intertillage hoe up weeds, earth up, applying fertilizer, pouring water, the prevention and control of plant diseases, pest control etc. it is normal
Field management.
The florescence of pot marigold is long, and generally at 90 days or so, the time of infertility needs picking 6-7 times, 80% flower of pot marigold field
It should pick after opening completely, can all cause damages too early or to yield and pigment content too late in time.In normal year, pot marigold
Generally carried out first time picking 10~15 July, it is later primary every 10d~12d pickings, by flower under holder 1cm
It is cut at bennet, extracts pigment, obtain economic benefit.It cradles and harvests under ground portion with rotary cultivator after aerial part(Only 1/3
Root can be retracted), finally concentrate and stalk and root system be subjected to ashing processing, realize the absorption to copper in soil.
The experimental results showed that planting pot marigold in Baiyin City Yongfeng village, 1500 yuan of economic benefit can get per acre, gold
The aerial part dry weight of small cup chrysanthemum single plant is 2.69g, and under ground portion dry weight is 0.40g, and the heavy metal copper of pot marigold aerial part is inhaled
Receipts amount is 6.24mg/kg(Spent for pot marigold shared small, and its enriching quantity is natively seldom, therefore calculates on the ground
When the uptake of portion's copper, colored enriching quantity is ignored), under ground portion uptake is 7.21 mg/kg, is only had with rotary cultivator
1/3 under ground portion can be harvested, therefore often one batch of pot marigold of plantation can take away the weight of 79.86mg from one mu of copper polluted soil
Metallic copper has reparative potential to arid and semi-arid area heavy metal cuprum polluted soil.
Embodiment 4
Experimental field it is located at the village Jinchang City Yao Jia(38 ° 28 ' of north latitude, 102 ° 11 ' of east longitude, height above sea level 1445m).Belong to middle temperate zone continent type
Weather, year samming be 4.6 DEG C or so, average annual rainfall be 183mm.The ground soil pH value is 8.37.In 40cm depth in soil
The average content of heavy metal copper is 8.51mg/kg, considerably beyond Soil In Gansu Province environmental background value, also above national soil environment
Quality standard.
Site preparation and fertilization after spring soil thaws, by 25cm spacing in the rows rupture of membranes program request pot marigold seeds, per 2-3 kinds of cave program request
Son, earthing 0.5cm after program request, per 2 row of film kind, it is the g of 50 g~75 that mu, which broadcasts pot marigold naked seed amount,.Pot marigold is carried out to look into seedling benefit
Kind(1 pearl stalwartness plant is stayed per cave, stays 5000 plants of seedling per acre), intertillage hoe up weeds, earth up, applying fertilizer, pouring water, the prevention and control of plant diseases, pest control etc. it is normal
Field management.
The florescence of pot marigold is long, and generally at 90 days or so, the time of infertility needs picking 6-7 times, 80% flower of pot marigold field
It should pick after opening completely, can all cause damages too early or to yield and pigment content too late in time.In normal year, pot marigold
Generally carried out first time picking 10~15 July, it is later primary every 10d~12d pickings, by flower under holder 1cm
It is cut at bennet, extracts pigment, obtain economic benefit.It cradles and harvests under ground portion with rotary cultivator after aerial part(Only 1/3
Root can be retracted), finally concentrate and stalk and root system be subjected to ashing processing, realize the absorption to copper in soil.
The experimental results showed that planting pot marigold in the village Jinchang City Yao Jia, 1500 yuan of economic benefit can get per acre, gold
The aerial part dry weight of small cup chrysanthemum single plant is 2.57g, and under ground portion dry weight is 0.39g, and the heavy metal copper of pot marigold aerial part is inhaled
Receipts amount is 6.53mg/kg(Spent for pot marigold shared small, and its enriching quantity is natively seldom, therefore calculates on the ground
When the uptake of portion's copper, colored enriching quantity is ignored), under ground portion uptake is 7.08 mg/kg, is only had with rotary cultivator
1/3 under ground portion can be harvested, therefore often one batch of pot marigold of plantation can take away the weight of 88.51mg from one mu of copper polluted soil
Metallic copper has reparative potential to arid and semi-arid area heavy metal cuprum polluted soil.
Experimental example
Experiment sets 5 processing, and each processing is repeated 6 times, and the concentration that adds of cadmium is respectively CK(0 mg/kg), processing 1(5 mg/
kg), processing 2(10 mg/kg), processing 3(50 mg/kg), processing 4(100 mg/kg), processing 5(200 mg/kg), processing 6
(500 mg/kg), experiment soil is free of contamination meadow burozem soil, chooses diameter 20cm, the plastic tub of high 15cm, the dress soil per basin
2.0kg balances month for use, a pot marigold young plant for selecting growing way consistent, and per basin kind 1, flowerpot is placed in Lanzhou University's reality
Test base.Wait for the dry weight and each section pair of its overground part and underground part under the conditions of pot marigold Post flowering measures different disposal respectively
Heavy metal, measuring copper amount.
As shown in Figure 1, processing 3 and the biomass above and below the ground of pot marigold under the conditions of processing 4 are slightly less than control, are locating
The ground biomass of pot marigold is higher than control under the conditions of reason 1, processing 2, the terrestrial life of pot marigold under the conditions of processing 1 and processing 2
Amount is also above control, and the underground biomass of pot marigold is suitable with control under the conditions of processing 4, the above result shows that the growth of pot marigold
It is hardly influenced by Cu-W ore deposit, promotes the growth of pot marigold, pot marigold that there is copper polluted soil when copper concentration is relatively low instead
Very strong patience has the potentiality for repairing copper polluted soil.
As shown in Figure 2, under each treatment conditions pot marigold underground part measuring copper amount be much larger than overground part enriching quantity, with
The amount of the increase of copper concentration in processing, pot marigold enriching heavy metal copper also increases, it can be seen that pot marigold is to heavy metal cuprum polluted
Soil has very strong repair.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from the present invention's
Many other change and modification can be made in the case of spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (10)
1. a kind of plant restoration method of arid and semi-arid area copper polluted soil, which is characterized in that the method includes in copper dirt
Grown on soil pot marigold is contaminated, and ashing processing is carried out to the pot marigold after the florescence.
2. according to the method described in claim 1, it is characterized in that, the process of the plantation pot marigold includes:
1)Sowing:Mulch bedding soil, rear program request pot marigold seed is used simultaneously to carry out earthing after applying base manure;
2)Field management:Thinning and final singling are carried out, discovery is filled the gaps with seedlings when being short of seedling, and is applied to seedling in cultivating process
Fertilizer is poured water, tillage and weeding and the prevention and control of plant diseases, pest control;
3)Picking:The picking of flower is carried out to pot marigold within the florescence.
3. according to the method described in claim 2, it is characterized in that, using covering with ground sheeting soil 7 days or more.
4. according to the method described in claim 2, it is characterized in that, the seed used of sowing is that germination percentage is higher than 80%, only
Degree is more than 98%, and purity is more than 99%, and water content is less than 12% pot marigold seed, it is preferable that uses 0.05- before planting
0.15% liquor potassic permanganate impregnates 20-40 minutes.
5. according to the method described in claim 2, it is characterized in that, applying the amount of base manure for 1000-1500kg per acre, preferably
Ground, the base manure are abundant decomposed organic fertilizers.
6. according to the method described in claim 2, it is characterized in that, the spacing in the rows of the program request is 25-35cm, it is preferable that per cave
2-3 seeds of program request.
7. according to the method described in claim 2, it is characterized in that, thinning processing is carried out when seedling is up to 10-15cm, in children
Height of seedling carries out final singling when reaching 20-25cm;Preferably, when thinning, 2-3 plant are stayed per cave, often cave stays one plant when final singling.
8. according to the method described in claim 2, it is characterized in that, the prevention and control of plant diseases, pest control includes spraying Bravo wettable
500-700 times of liquid of pulvis or powder of carbendazim is with Lesion;Preferably, the prevention and control of plant diseases, pest control further includes spraying Avermectin
80-120 times of liquid of plain 3000-5000 times of liquid or B.T pulvis is with pest control.
9. according to the method described in claim 2, it is characterized in that, it is described picking per 10-12 days carry out once, the entire florescence into
Row 6-7 times, it is preferable that when picking, flower is cut under holder from 0.8-1.5cm bennets.
10. according to the method described in claim 1, it is characterized in that, ashing processing includes cradling aerial part and harvesting
Under ground portion, and concentrate and burn obtained stalk and root system.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109894462A (en) * | 2019-03-28 | 2019-06-18 | 淄博市农业科学研究院 | A method of enrichment and recycling heavy metal-polluted soil copper |
WO2021064143A1 (en) | 2019-10-04 | 2021-04-08 | Biomede | Phytoextraction composition and its use in the extraction of at least one heavy metal present in a soil |
-
2017
- 2017-05-02 CN CN201710299661.2A patent/CN108787721A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109894462A (en) * | 2019-03-28 | 2019-06-18 | 淄博市农业科学研究院 | A method of enrichment and recycling heavy metal-polluted soil copper |
WO2021064143A1 (en) | 2019-10-04 | 2021-04-08 | Biomede | Phytoextraction composition and its use in the extraction of at least one heavy metal present in a soil |
FR3101556A1 (en) * | 2019-10-04 | 2021-04-09 | Biomede | Phytoextractor composition and its use in the extraction of at least one heavy metal present in soil |
CN114554836A (en) * | 2019-10-04 | 2022-05-27 | 拜尔麦德公司 | Plant extract composition and use thereof for extracting at least one heavy metal present in soil |
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