CN111528236A - Foliage resistance and control agent for blocking heavy metal accumulation and preparation method thereof - Google Patents

Foliage resistance and control agent for blocking heavy metal accumulation and preparation method thereof Download PDF

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Publication number
CN111528236A
CN111528236A CN202010309185.XA CN202010309185A CN111528236A CN 111528236 A CN111528236 A CN 111528236A CN 202010309185 A CN202010309185 A CN 202010309185A CN 111528236 A CN111528236 A CN 111528236A
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parts
control agent
heavy metal
metal accumulation
foliage
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冯才声
周志远
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Wuhan Xiugu Technology Co ltd
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Wuhan Xiugu Technology Co ltd
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Priority to CN202010309185.XA priority Critical patent/CN111528236A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
    • A01N43/38—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/50—1,3-Diazoles; Hydrogenated 1,3-diazoles
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
    • A01N47/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
    • A01N47/44—Guanidine; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/14—Boron; Compounds thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
    • A01N63/20—Bacteria; Substances produced thereby or obtained therefrom
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
    • A01N63/20—Bacteria; Substances produced thereby or obtained therefrom
    • A01N63/22—Bacillus
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
    • A01N63/30—Microbial fungi; Substances produced thereby or obtained therefrom
    • A01N63/32—Yeast
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
    • A01N63/30—Microbial fungi; Substances produced thereby or obtained therefrom
    • A01N63/34—Aspergillus
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/03—Algae
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/12—Asteraceae or Compositae [Aster or Sunflower family], e.g. daisy, pyrethrum, artichoke, lettuce, sunflower, wormwood or tarragon
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/36—Rutaceae [Rue family], e.g. lime, orange, lemon, corktree or pricklyash
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/40—Liliopsida [monocotyledons]
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C11/00—Other nitrogenous fertilisers
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/50—Surfactants; Emulsifiers
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/20—Liquid fertilisers
    • C05G5/27—Dispersions, e.g. suspensions or emulsions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

The invention discloses a foliage resistance and control agent for blocking heavy metal accumulation and a preparation method thereof, wherein the foliage resistance and control agent comprises the following components in parts by weight: 1-3 parts of borax, 5-9 parts of nano silicon dioxide, 10-17 parts of carbon nano tubes, 5-8 parts of surfactant, 18-31 parts of tea seed cakes, 7-9 parts of dunaliella, 13-22 parts of needle mushroom bran, 3-5 parts of betelnut sawdust, 9-13 parts of microbial agent, 3-4.5 parts of orange peel powder, 8-13 parts of alcohol lees, 7-10 parts of sweet wormwood leaves, 25-43 parts of tea saponin, 1-3 parts of citric acid, 12-28 parts of amino acid, 6-11 parts of humic acid and 1500 parts of deionized water. The foliage resistance and control agent prepared from the raw materials can block the absorption of heavy metals in air and soil by plants and prevent the damage of the heavy metals to the plants. Meanwhile, the preparation method of the foliage resistance and control agent for blocking heavy metal accumulation provided by the invention can fully utilize the effective components in the raw materials, is simple to operate and is beneficial to industrial popularization.

Description

Foliage resistance and control agent for blocking heavy metal accumulation and preparation method thereof
Technical Field
The invention relates to the technical field of foliage resistance control agents, in particular to a foliage resistance control agent for blocking heavy metal accumulation and a preparation method thereof.
Background
Heavy metal means a density of greater than 4g/cm3The metal exists in the form of compound in nature, and with the exploitation, smelting, processing and commercial manufacture of human heavy metal, a large amount of heavy metal elements such as lead, cadmium, mercury and the like enter the atmosphere, water or soil, causing serious heavy metal pollution. The soil is an important foundation for the growth of crops, the crops grow in high-concentration heavy metal soil for a long time, the normal growth of the crops can be influenced by heavy metals, and the heavy metals can be enriched in the crops, so that the crops can become heavy metal pollution sources.
Heavy metals are difficult to degrade, and the treatment difficulty of heavy metal pollution of soil is large. In the prior art, the treatment method of heavy metal contaminated soil mainly comprises physical and chemical remediation technologies, such as a soil-mining method, a vitrification technology, an electric technology, a soil leaching technology and the like. Although the method has the advantages of thorough and stable restoration, the method has huge engineering quantity and high investment, destroys soil mechanisms, is only suitable for restoration and treatment of small-area heavily-polluted areas, and is not suitable for restoration of farmland soil. In addition, the bioremediation technology and the combined remediation technology are the development directions in the future, but for the soil remediation of cultivated land at the present stage, the method has long period and slow effect, so that the treated soil can not be planted with crops for a long time, the utilization value of the soil is affected, and further the popularization of the bioremediation technology is difficult.
Therefore, the problem to be solved by the technical personnel in the field is how to provide a method for reducing the heavy metal content in the plant body, which is simple to operate, quick to take effect and suitable for the soil of large-area cultivated land.
Disclosure of Invention
In view of the above, the invention provides a foliar control agent which is suitable for large-area cultivated land soil and can significantly prevent heavy metals from accumulating in plants, and also provides a preparation method of the foliar control agent.
In order to achieve the purpose, the invention adopts the following technical scheme:
the foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following components in parts by weight:
1-3 parts of borax, 5-9 parts of nano silicon dioxide, 10-17 parts of carbon nano tubes, 5-8 parts of surfactant, 18-31 parts of tea seed cakes, 7-9 parts of dunaliella, 13-22 parts of needle mushroom bran, 3-5 parts of betelnut sawdust, 9-13 parts of microbial agent, 3-4.5 parts of orange peel powder, 8-13 parts of alcohol lees, 7-10 parts of sweet wormwood leaves, 25-43 parts of tea saponin, 1-3 parts of citric acid, 12-28 parts of amino acid, 6-11 parts of humic acid and 1500 parts of deionized water.
The nano silicon dioxide has a certain quality guarantee effect on plants, the plants can generate lipid peroxidation under the salt stress environment, and the silicon can reduce the influence degree of the adverse phenomenon on plant organisms and inhibit the accumulation of peroxides in the plants. Secondly, the carbon nanotubes of the present invention have a large specific surfaceGood chemical stability against Pb in soil and air in the present invention2+、Cu2+、Cd2+、Hg2+The heavy metal ions have good adsorption effect, and the absorption of plants to heavy metals in the air is avoided. In addition, the amino acid and the microbial metabolites of the raw materials such as the tea seed cake, the dunaliella, the flammulina velutipes mushroom bran, the betelnut wood dust and the like have a complexing effect on heavy metals, and the heavy metal accumulation in the plant body can be obviously reduced.
Preferably, the surfactant comprises one or more of tween-80, span-20 and potassium sorbate.
The surfactant disclosed by the invention can be beneficial to uniform dispersion of the nano silicon dioxide in an aqueous solution, so that the product has uniformity, precipitates are not easy to generate, and the service life of the product is prolonged. Meanwhile, the use of the surfactant is also beneficial to the affinity of the foliar resistance and control agent in the invention with the foliar, and the full absorption of the product by the foliar is facilitated.
Preferably, the microbial agent comprises one or more of lactic acid bacteria, bacillus subtilis, bacillus pumilus, yeast, aspergillus niger and photosynthetic bacteria.
The microbial agent can obtain rich enzymes and micromolecular substances such as lactic acid, amylase, acid protease, cellulase, pectinase, glucose oxidase, citric acid, gluconic acid, gallic acid and the like through fermentation, is favorable for promoting the absorption of plant leaf surfaces on products, and provides rich nutrient substances for plants.
Preferably, the amino acid is one or more of threonine, aspartic acid, serine, glutamic acid, proline, glycine, alanine, cystine, valine, methionine, isoleucine, leucine, tyrosine, phenylalanine, lysine, histidine, arginine, tryptophan.
After the amino acid is sprayed on the leaves, the amino acid can generate a complexing reaction with heavy metal in the air, so that the effect of preventing the leaves from contacting with heavy metal elements in the air is achieved, and the plants are prevented from absorbing the heavy metal in the air through the leaves. Meanwhile, the micromolecule amino acid in the invention is easily and directly absorbed by the plant leaf surface, can perform complexing action on heavy metal elements in the plant body, and reduces the harm of heavy metal to the plant body.
A preparation method of a foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following steps:
(1) adding borax and a surfactant into 400 parts of 250-fold deionized water for dissolving, adding nano silicon dioxide and carbon nano tubes, and performing ultrasonic dispersion uniformly to obtain a mixed solution A;
(2) mixing tea seed cake, Dunaliella, needle mushroom bran, Arecae semen sawdust, microbial agent 7-10 parts, pericarpium Citri Tangerinae powder, distiller's grains of alcohol, folium Artemisiae Annuae and humic acid, and fermenting at 28-40 deg.C for 2-3 days to obtain fermented product;
(3) adding 300-500 parts of deionized water into the fermentation product obtained in the step (2), uniformly stirring, heating and extracting for 5-6h, and filtering to obtain filtrate to obtain a fermentation product extracting solution;
(4) adding tea saponin, citric acid and amino acid into the rest deionized water for dissolving to obtain mixed solution B;
(5) and mixing the mixed solution A, the mixed solution B, the fermentation product extracting solution and the residual microbial agent, uniformly stirring, and performing ultrasonic dispersion for 3-4 hours to obtain the leaf surface resistance and control agent.
According to the invention, tea seed cakes, dunaliella, flammulina velutipes mushroom bran, areca catechu wood chips, 7-10 parts of microbial agents, orange peel powder, alcohol lees, sweet wormwood leaves, humic acid and other raw materials are subjected to microbial decomposition to obtain small molecular substances, and then deionized water is used for extracting water-soluble substances in fermentation products, so that substances in the obtained extracting solution are beneficial to direct absorption of plant leaf surfaces. In addition, the invention reserves partial microbial agents in the final product, so that the product can absorb and fix the heavy metals by utilizing the metabolic action of microorganisms in the using process.
Preferably, the ultrasonic dispersion power in the step (1) is 300-450W, and the ultrasonic dispersion time is 3.5-6 h.
Preferably, the heating extraction temperature in the step (3) is 60-80 ℃.
Preferably, the dissolution temperature in step (4) is 30-48 ℃.
Since the dissolution of the amino acid is involved in the step (4), the dissolution temperature should be maintained at 30-48 ℃ to avoid the decomposition of the amino acid.
Preferably, the ultrasonic power in the step (5) is 50-90W, and the ultrasonic temperature is 30-45 ℃.
The ultrasonic power and the ultrasonic temperature defined in the step (5) of the invention can enable the microorganisms in the leaf surface resistance control agent to be uniformly dispersed without destroying the activity of the microorganisms, and in addition, the biological activity of the microorganisms can be improved at 30-45 ℃, thereby improving the decomposition efficiency of the product on heavy metals.
According to the technical scheme, compared with the prior art, the invention discloses the preparation method of the foliage resistance and control agent for blocking heavy metal accumulation, and the foliage resistance and control agent can effectively reduce the absorption effect of plant foliage on heavy metal ions such as Hg, Cd, Cr and Pb, obviously reduce the heavy metal concentration in crop plants, and reduce the safety risk of food. And secondly, the foliar surface resistance control agent can be applied as a foliar fertilizer, provides nutrient substances required by growth for crops, saves the production cost of the crops, and does not contain components capable of causing secondary pollution to soil. In addition, the foliage resistance control agent is simple to operate and low in investment cost in the preparation process, and the foliage spraying method is simple to operate, does not influence normal cultivation, is wide in application range and is beneficial to industrial popularization and use.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a foliage resistance and control agent for blocking heavy metal accumulation, which is characterized by comprising the following components in parts by weight:
1-3 parts of borax, 5-9 parts of nano silicon dioxide, 10-17 parts of carbon nano tubes, 5-8 parts of surfactant, 18-31 parts of tea seed cakes, 7-9 parts of dunaliella, 13-22 parts of needle mushroom bran, 3-5 parts of betelnut sawdust, 9-13 parts of microbial agent, 3-4.5 parts of orange peel powder, 8-13 parts of alcohol lees, 7-10 parts of sweet wormwood leaves, 25-43 parts of tea saponin, 1-3 parts of citric acid, 12-28 parts of amino acid, 6-11 parts of humic acid and 1500 parts of deionized water.
Preferably, the surfactant comprises one or more of tween-80, span-20 and potassium sorbate.
Preferably, the microbial agent comprises one or more of lactic acid bacteria, bacillus subtilis, bacillus pumilus, yeast, aspergillus niger and photosynthetic bacteria.
Preferably, the amino acid is one or more of threonine, aspartic acid, serine, glutamic acid, proline, glycine, alanine, cystine, valine, methionine, isoleucine, leucine, tyrosine, phenylalanine, lysine, histidine, arginine, tryptophan.
The invention also provides a preparation method of the foliage resistance and control agent for blocking heavy metal accumulation, which is characterized by comprising the following steps:
(1) adding borax and a surfactant into 400 parts of 250-fold deionized water for dissolving, adding nano silicon dioxide and carbon nano tubes, and performing ultrasonic dispersion uniformly to obtain a mixed solution A;
(2) mixing tea seed cake, Dunaliella, needle mushroom bran, Arecae semen sawdust, microbial agent 7-10 parts, pericarpium Citri Tangerinae powder, distiller's grains of alcohol, folium Artemisiae Annuae and humic acid, and fermenting at 28-40 deg.C for 2-3 days to obtain fermented product;
(3) adding 300-500 parts of deionized water into the fermentation product obtained in the step (2), uniformly stirring, heating and extracting for 5-6h, and filtering to obtain filtrate to obtain a fermentation product extracting solution;
(4) adding tea saponin, citric acid and amino acid into the rest deionized water for dissolving to obtain mixed solution B;
(5) and mixing the mixed solution A, the mixed solution B, the fermentation product extracting solution and the residual microbial agent, uniformly stirring, and performing ultrasonic dispersion for 3-4 hours to obtain the leaf surface resistance and control agent.
Preferably, the ultrasonic dispersion power in the step (1) is 300-450W, and the ultrasonic dispersion time is 3.5-6 h.
Preferably, the heating extraction temperature in the step (3) is 60-80 ℃.
Preferably, the dissolution temperature in step (4) is 30-48 ℃.
Preferably, the ultrasonic power in the step (5) is 50-90W, and the ultrasonic temperature is 30-45 ℃.
Example one
The foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following components in parts by weight:
1.8 parts of borax, 6.8 parts of nano silicon dioxide, 12 parts of carbon nano tubes, 5.8 parts of a surfactant (comprising tween-80, span-20 and potassium sorbate in any proportion), 18 parts of tea seed cakes, 7.3 parts of dunaliella, 20 parts of needle mushroom bran, 5 parts of betel nut wood dust, 12.5 parts of a microbial agent (comprising bacillus subtilis, bacillus pumilus and saccharomycetes in any proportion), 3.9 parts of orange peel powder, 8 parts of alcohol lees, 8.3 parts of sweet wormwood leaves, 37 parts of tea saponin, 1.4 parts of citric acid, 26 parts of amino acid (comprising threonine, aspartic acid, serine, glutamic acid, proline, glycine, alanine and cystine in any proportion), 8.5 parts of humic acid and 1500 parts of deionized water.
A preparation method of a foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following steps:
(1) adding borax and a surfactant into 325 parts of deionized water for dissolving, adding nano silicon dioxide and carbon nano tubes, and performing ultrasonic dispersion for 4 hours under the condition that the ultrasonic power is 425W to obtain a mixed solution A;
(2) mixing tea seed cake, Dunaliella, needle mushroom bran, Arecae semen sawdust, 7.3 parts of microbial agent, pericarpium Citri Tangerinae powder, distiller's grains of alcohol, folium Artemisiae Annuae and humic acid, and fermenting at 40 deg.C for 2-3 days to obtain fermented product;
(3) adding 300 parts of deionized water into the fermentation product obtained in the step (2), uniformly stirring, heating and extracting for 5-6h at the temperature of 72 ℃, and filtering to obtain filtrate to obtain a fermentation product extracting solution;
(4) adding tea saponin, citric acid and amino acid into the rest deionized water, and dissolving at 30-48 deg.C to obtain mixed solution B;
(5) and mixing the mixed liquor A, the mixed liquor B, the fermentation product extracting solution and the residual microbial agent, uniformly stirring, and performing ultrasonic dispersion for 3-4 hours under the conditions that the ultrasonic power is 62W and the ultrasonic temperature is 40 ℃ to obtain the leaf surface resistance control agent.
Example two
The foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following components in parts by weight:
3 parts of borax, 5 parts of nano silicon dioxide, 17 parts of carbon nano tubes, 7.0 parts of surfactant (comprising tween-80 and span-20 in any proportion), 30 parts of tea seed cakes, 7.9 parts of dunaliella, 21 parts of needle mushroom bran, 4.1 parts of areca nut wood dust, 10.8 parts of microbial agent (comprising lactic acid bacteria, bacillus subtilis, bacillus pumilus and saccharomycetes in any proportion), 4.5 parts of orange peel powder, 9.5 parts of alcohol lees, 7 parts of sweet wormwood leaves, 35 parts of tea saponin, 2 parts of citric acid, 24.5 parts of amino acid (comprising proline, glycine, alanine, cystine, valine, methionine and isoleucine in any proportion), 6.8 parts of humic acid and 1200 parts of deionized water.
The preparation method of the foliage resistance and control agent for blocking heavy metal accumulation is different from the first embodiment in that:
(1) in the step (1), the addition amount of the deionized water is 250 parts, the ultrasonic power is 350W, and the dispersion time is 5 h;
(2) in the step (2), the addition amount of the microbial agent is 9.5 parts, and the fermentation temperature is 30 ℃;
(3) in the step (3), the addition amount of the deionized water is 420 parts, and the heating extraction temperature is 80 ℃;
(4) in the step (5), the ultrasonic power is 50W, and the ultrasonic temperature is 32 ℃.
EXAMPLE III
The foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following components in parts by weight:
2.1 parts of borax, 5.6 parts of nano silicon dioxide, 14 parts of carbon nano tubes, 5 parts of a surfactant (comprising span-20 and potassium sorbate in any proportion), 20 parts of tea seed cakes, 7.6 parts of dunaliella, 17.5 parts of needle mushroom bran, 4.7 parts of areca nut wood chips, 10.2 parts of a microbial agent (comprising bacillus pumilus, saccharomycetes, aspergillus niger and photosynthetic bacteria in any proportion), 4 parts of orange peel powder, 10.5 parts of alcohol lees, 8 parts of sweet wormwood leaves, 25 parts of tea saponin, 3 parts of citric acid, 17 parts of amino acid (comprising methionine, isoleucine, leucine, tyrosine, phenylalanine, lysine, histidine, arginine and tryptophan in any proportion), 10 parts of humic acid and 1000 parts of deionized water.
The preparation method of the foliage resistance and control agent for blocking heavy metal accumulation is different from the first embodiment in that:
(1) in the step (1), the addition amount of the deionized water is 390 parts, the ultrasonic power is 300W, and the dispersion time is 4.3 h;
(2) in the step (2), the addition amount of the microbial agent is 8 parts, and the fermentation temperature is 36 ℃;
(3) in the step (3), the addition amount of the deionized water is 450 parts, and the heating extraction temperature is 60 ℃;
(4) in the step (5), the ultrasonic power is 80W, and the ultrasonic temperature is 36 ℃.
Example four
The foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following components in parts by weight:
1 part of borax, 8 parts of nano silicon dioxide, 10 parts of carbon nano tubes, 6.2 parts of surfactant (including tween-80), 24 parts of tea seed cakes, 9 parts of dunaliella, 13 parts of flammulina velutipes bran, 3.4 parts of betelnut sawdust, 9 parts of microbial agent (including lactobacillus, bacillus pumilus and aspergillus niger in any proportion), 3.5 parts of orange peel powder, 12 parts of alcohol lees, 9 parts of sweet wormwood leaves, 28 parts of tea saponin, 2.4 parts of citric acid, 14.5 parts of amino acid (including proline, glycine, alanine, cystine, methionine, leucine, tyrosine, phenylalanine and lysine in any proportion), 11 parts of humic acid and 1130 parts of deionized water.
The preparation method of the foliage resistance and control agent for blocking heavy metal accumulation is different from the first embodiment in that:
(1) in the step (1), the addition amount of deionized water is 400 parts, the ultrasonic power is 390W, and the dispersion time is 4.6 h;
(2) in the step (2), the addition amount of the microbial agent is 7.6 parts, and the fermentation temperature is 32 ℃;
(3) in the step (3), the addition amount of the deionized water is 360 parts, and the heating extraction temperature is 66 ℃;
(4) in the step (5), the ultrasonic power is 73W, and the ultrasonic temperature is 45 ℃.
EXAMPLE five
The foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following components in parts by weight:
2.4 parts of borax, 9 parts of nano silicon dioxide, 15 parts of carbon nano tubes, 8 parts of surfactant (comprising span-20), 22 parts of tea seed cakes, 8.5 parts of Shewanella algae, 14.5 parts of flammulina velutipes mushroom bran, 3 parts of betelnut sawdust, 12 parts of microbial agent (comprising yeast, aspergillus niger and photosynthetic bacteria in any proportion), 3 parts of orange peel powder, 11 parts of alcohol lees, 8.6 parts of sweet wormwood leaves, 40 parts of tea saponin, 2.1 parts of citric acid, 19.5 parts of amino acid (comprising serine, glutamic acid, proline, glycine, alanine, cystine and valine in any proportion), 7.5 parts of humic acid and 1330 parts of deionized water.
The preparation method of the foliage resistance and control agent for blocking heavy metal accumulation is different from the first embodiment in that:
(1) in the step (1), the addition amount of the deionized water is 350 parts, the ultrasonic power is 325W, and the dispersion time is 3.8 h;
(2) in the step (2), the addition amount of the microbial agent is 10 parts, and the fermentation temperature is 28 ℃;
(3) in the step (3), the addition amount of the deionized water is 480 parts, and the heating extraction temperature is 63 ℃;
(4) in the step (5), the ultrasonic power is 90W, and the ultrasonic temperature is 38 ℃.
EXAMPLE six
The foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following components in parts by weight:
1.4 parts of borax, 8.5 parts of nano silicon dioxide, 11 parts of carbon nano tubes, 7.5 parts of surfactant (including potassium sorbate), 28 parts of tea seed cakes, 8.2 parts of dunaliella, 19 parts of needle mushroom bran, 4 parts of betelnut sawdust, 11.4 parts of microbial agent (including lactic acid bacteria, bacillus subtilis, aspergillus niger and photosynthetic bacteria in any proportion), 3.3 parts of orange peel powder, 13 parts of alcohol lees, 10 parts of sweet wormwood leaves, 31 parts of tea saponin, 1.8 parts of citric acid, 28 parts of amino acid (including threonine, aspartic acid, serine, glutamic acid, alanine, cystine, methionine, leucine, tyrosine, phenylalanine, arginine and tryptophan in any proportion), 8 parts of humic acid and 1420 parts of deionized water.
The preparation method of the foliage resistance and control agent for blocking heavy metal accumulation is different from the first embodiment in that:
(1) in the step (1), the addition amount of deionized water is 300 parts, the ultrasonic power is 400W, and the dispersion time is 3.5 h;
(2) in the step (2), the addition amount of the microbial agent is 9 parts, and the fermentation temperature is 34 ℃;
(3) in the step (3), the addition amount of the deionized water is 330 parts, and the heating extraction temperature is 75 ℃;
(4) in the step (5), the ultrasonic power is 68W, and the ultrasonic temperature is 42 ℃.
EXAMPLE seven
The foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following components in parts by weight:
2 parts of borax, 6.2 parts of nano silicon dioxide, 13 parts of carbon nano tubes, 5.4 parts of surfactant (comprising tween-80 and potassium sorbate in any proportion), 26 parts of tea seed cakes, 8.8 parts of dunaliella, 16 parts of flammulina velutipes mushroom bran, 4.4 parts of areca nut wood chips, 12 parts of microbial agent (comprising bacillus subtilis, bacillus pumilus and aspergillus niger in any proportion), 4.2 parts of orange peel powder, 10 parts of alcohol lees, 7.5 parts of sweet wormwood leaves, 43 parts of tea saponin, 1 part of citric acid, 22 parts of amino acid (comprising valine, methionine, isoleucine, leucine, phenylalanine, lysine and histidine in any proportion), 6 parts of humic acid and 1250 parts of deionized water.
The preparation method of the foliage resistance and control agent for blocking heavy metal accumulation is different from the first embodiment in that:
(1) in the step (1), the addition amount of the deionized water is 275 parts, the ultrasonic power is 450W, and the dispersion time is 5.5 h;
(2) in the step (2), the addition amount of the microbial agent is 7 parts, and the fermentation temperature is 38 ℃;
(3) in the step (3), the addition amount of the deionized water is 390 parts, and the heating extraction temperature is 69 ℃;
(4) in the step (5), the ultrasonic power is 85W, and the ultrasonic temperature is 34 ℃.
Example eight
The foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following components in parts by weight:
2.7 parts of borax, 7.4 parts of nano silicon dioxide, 16 parts of carbon nano tubes, 6.6 parts of surfactant (comprising tween-80, span-20 and potassium sorbate in any proportion), 31 parts of tea seed cake, 7 parts of dunaliella, 22 parts of needle mushroom bran, 3.8 parts of areca nut wood dust, 9.6 parts of microbial agent (comprising aspergillus niger and photosynthetic bacteria in any proportion), 3.7 parts of orange peel powder, 8.8 parts of alcohol lees, 9.5 parts of sweet wormwood leaves, 33 parts of tea saponin, 2.7 parts of citric acid, 12 parts of amino acid (comprising aspartic acid, glutamic acid, proline, glycine, alanine, methionine, isoleucine, phenylalanine, lysine, histidine and arginine in any proportion), 9 parts of humic acid and 1080 parts of deionized water.
The preparation method of the foliage resistance and control agent for blocking heavy metal accumulation is different from the first embodiment in that:
(1) in the step (1), the addition amount of deionized water is 370 parts, the ultrasonic power is 370W, and the dispersion time is 6 h;
(2) in the step (2), the addition amount of the microbial agent is 8.5 parts, and the fermentation temperature is 29 ℃;
(3) in the step (3), the addition amount of the deionized water is 500 parts, and the heating extraction temperature is 78 ℃;
(4) in the step (5), the ultrasonic power is 56W, and the ultrasonic temperature is 30 ℃.
Technical effects
Selecting a certain heavy metal polluted land in Wuhan city, Hunan province, planting pakchoi in the land, and applying the foliage resistance and control agent provided in the embodiments 1-8 of the invention in the planting process, wherein the application method comprises the following steps:
(1) after the leaves of the Chinese cabbage grow, the leaf surface resistance and control agent is uniformly sprayed on the leaves, and the spraying dosage is 600-800 kg/ha each time;
(2) spraying the solution once every 7 days in rainy days, and detecting the heavy metal content in the pakchoi leaves after one month.
Meanwhile, a blank control group is set, namely the Chinese cabbages are planted without applying the foliage resistance and control agent, and other planting conditions are the same as those of the experimental group.
Table 1: heavy metal content in leaf of Chinese cabbage in heavy metal contaminated soil
Pb(mg/kg) Cd(mg/kg) Hg(mg/kg) Cr(mg/kg)
Blank group 0.371 0.307 0.021 0.583
Example one 0.156 0.097 0.003 0.169
Example two 0.134 0.102 0.002 0.186
EXAMPLE III 0.131 0.083 0.001 0.173
Example four 0.142 0.105 0.003 0.181
EXAMPLE five 0.153 0.077 0.001 0.163
EXAMPLE six 0.164 0.086 0.004 0.176
EXAMPLE seven 0.135 0.091 0.002 0.171
Example eight 0.147 0.079 0.001 0.180
From the data, compared with the blank group, the absorption rate of the pakchoi leaves sprayed with the control agent group disclosed by the invention on Pb is reduced by 56-64%, the absorption efficiency of Cd is reduced by 66-75%, the absorption rate of Hg is reduced by 86-95%, and the absorption rate of Cr is reduced by 68-72%. Therefore, the foliage resistance and control agent can obviously reduce the absorption of heavy metals in soil by crops and reduce the content of the heavy metals in plants.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The foliage resistance and control agent for blocking heavy metal accumulation is characterized by comprising the following components in parts by weight:
1-3 parts of borax, 5-9 parts of nano silicon dioxide, 10-17 parts of carbon nano tubes, 5-8 parts of surfactant, 18-31 parts of tea seed cakes, 7-9 parts of dunaliella, 13-22 parts of needle mushroom bran, 3-5 parts of betelnut sawdust, 9-13 parts of microbial agent, 3-4.5 parts of orange peel powder, 8-13 parts of alcohol lees, 7-10 parts of sweet wormwood leaves, 25-43 parts of tea saponin, 1-3 parts of citric acid, 12-28 parts of amino acid, 6-11 parts of humic acid and 1500 parts of deionized water.
2. The foliage resistance control agent for obstructing heavy metal accumulation according to claim 1, wherein the surfactant comprises one or more of tween-80, span-20 and potassium sorbate.
3. The foliage resistance control agent for obstructing heavy metal accumulation according to claim 1, wherein the microbial agent comprises one or more of lactic acid bacteria, bacillus subtilis, bacillus pumilus, saccharomycetes, aspergillus niger and photosynthetic bacteria.
4. The foliage resistance agent for obstructing heavy metal accumulation according to claim 1, wherein the amino acid is one or more of threonine, aspartic acid, serine, glutamic acid, proline, glycine, alanine, cystine, valine, methionine, isoleucine, leucine, tyrosine, phenylalanine, lysine, histidine, arginine and tryptophan.
5. The preparation method of the foliar retarding and controlling agent for retarding the accumulation of heavy metals as claimed in any one of claims 1 to 4, comprising the following steps:
(1) adding borax and a surfactant into 400 parts of 250-fold deionized water for dissolving, adding nano silicon dioxide and carbon nano tubes, and performing ultrasonic dispersion uniformly to obtain a mixed solution A;
(2) mixing tea seed cake, Dunaliella, needle mushroom bran, Arecae semen sawdust, microbial agent 7-10 parts, pericarpium Citri Tangerinae powder, distiller's grains of alcohol, folium Artemisiae Annuae and humic acid, and fermenting at 28-40 deg.C for 2-3 days to obtain fermented product;
(3) adding 300-500 parts of deionized water into the fermentation product obtained in the step (2), uniformly stirring, heating and extracting for 5-6h, and filtering to obtain filtrate to obtain a fermentation product extracting solution;
(4) adding tea saponin, citric acid and amino acid into the rest deionized water for dissolving to obtain mixed solution B;
(5) and mixing the mixed solution A, the mixed solution B, the fermentation product extracting solution and the residual microbial agent, uniformly stirring, and performing ultrasonic dispersion for 3-4 hours to obtain the leaf surface resistance and control agent.
6. The method for preparing the foliage resistance control agent for obstructing heavy metal accumulation according to claim 5, wherein the ultrasonic dispersion power in the step (1) is 300-450W, and the ultrasonic dispersion time is 3.5-6 h.
7. The preparation method of the foliage resistance control agent for obstructing heavy metal accumulation according to claim 5, wherein the heating extraction temperature in the step (3) is 80-95 ℃.
8. The preparation method of the foliar resistance and control agent for blocking heavy metal accumulation according to claim 5, wherein the dissolution temperature in the step (4) is 30-48 ℃.
9. The preparation method of the foliage resistance control agent for obstructing heavy metal accumulation according to claim 5, wherein the ultrasonic power in the step (5) is 50-90W, and the ultrasonic temperature is 30-45 ℃.
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CN112808759A (en) * 2020-12-31 2021-05-18 河南省地质环境规划设计院有限公司 Heavy metal polluted farmland restoration method
CN112808759B (en) * 2020-12-31 2022-07-01 河南省地质环境规划设计院有限公司 Heavy metal polluted farmland restoration method
CN112913851A (en) * 2021-02-01 2021-06-08 郑州轻工业大学 Wheat leaf surface resistance and control agent for preventing atmospheric dust and lead pollution and use method thereof
CN112931078A (en) * 2021-02-01 2021-06-11 郑州轻工业大学 Method for safely utilizing sedum-wheat intercropping and repairing cadmium-polluted soil
CN112913851B (en) * 2021-02-01 2022-03-22 郑州轻工业大学 Wheat leaf surface resistance and control agent for preventing atmospheric dust and lead pollution and use method thereof
CN112997777A (en) * 2021-03-10 2021-06-22 中国科学院南京土壤研究所 Method for preventing and controlling antibiotic resistance genes from entering plant leaves by using carbon-based material and effect evaluation method thereof
CN113265258A (en) * 2021-05-03 2021-08-17 黑龙江顿丰微纳米硅科技开发有限公司 Additive capable of reducing heavy metals in soil
CN114988944A (en) * 2022-05-31 2022-09-02 中科华瑞(深圳)生态科技有限公司 Heavy metal blocking agent and preparation method, use method and application thereof
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Application publication date: 20200814