36results about How to "Toxic mitigation" patented technology

The invention discloses a special organic tea seed cake fertilizer for paddy rice and relates to the technical field of bio-organic fertilizers. The organic tea seed cake fertilizer is prepared by the tea seed cake, bagasse, straw, an EM (effective microorganisms) microbial agent, a strain modifier, a poiser and a seaweed essence. The manufacturing steps comprise mixing of to-be-fermented materials, fermentation, air-curing and drying, pulverizing, mixing, granulation and the like. A product of the special organic tea seed cake fertilizer has the characteristics that the soil structure is improved, the effective microbial community of the soil is increased, diseases are resisted, insects are killed, and the like, and the heavy metal content of rice field soil and paddy rice can be also reduced.

The invention discloses a biochar-based soil conditioner capable of deactivating dryland soil-contained heavy metals and application thereof. The biochar-based soil conditioner is composed of, by weight percentage, 30-45% of biochar, 5-10% of dipotassium phosphate, 3-5% of potassium sulfate, 10-15% of calcium magnesium phosphate, 5-10% of humic acid, 15-30% of limestone and 5-20% of dolomite. Theapplication method of the biochar-based soil conditioner comprises applying the biochar-based soil conditioner to the surface of soil, ploughing the soil to uniformly mix the biochar-based soil conditioner with the soil, and after 10-20 days of balancing, performing planting or transplanting. The biochar-based soil conditioner can achieve resource utilization of straw, and meanwhile through synergistic effects of the components, achieve the aim of deactivating soil heavy metals, inhibiting heavy metal absorption of vegetables and improving quality of soil and vegetables and further achieve theaim of production and restorage integration of heavy metal contaminated drylands.

The invention discloses a composition for a health-care product, a health-care product and a using method thereof. The composition for the health-care product comprises tea leaf and papain, wherein the papain is selected from pawpaw powder or pawpaw block; the weight ratio of the pawpaw powder or pawpaw block to the tea leaf is 1:(1.5-3.5); the tea leaf contains eurotium cristatum. The health-care product comprises the composition for the health-care product and is prepared by mixing the tea leaf with the papain. The health-care product is applied to treating metabolic arthritis, hypertension, hyperlipidemia and hyperglycemia. The invention also provides a using method of the health-care product. The using method comprises the following steps of: mixing the composition of the health-care product according to any of Claim 2-5, the pawpaw powder or pawpaw block with tea leaf, adding water and drinking. The health-care product has obvious effect on treating metabolic arthritis, hypertension, hyperlipidemia and hyperglycemia.

The invention discloses a method for reducing the cadmium content of vegetables planted in cadmium contaminated soil. The method includes the following steps that a layer of matrix is laid on the surface of the cadmium contaminated soil to plant the vegetables, and the water-holding capacity of the soil is kept at 60-70%; bacterium liquid of azospirillum brasilense with the conservation number of CGMCC 1.10379 is sprayed on the rhizosphere soil of the vegetables. Harm to crops by soil Cd can be effectively relieved, the vegetable yield is increased, the Cd content of the crops is reduced, and the cadmium is controlled and prevented from entering a food chain along with the crops to harm human health.

The invention provides a barrier agent which is highly targeted to wheat grains and can efficiently prevent the wheat grains from absorbing and transporting heavy metal cadmium. An active ingredient of the barrier agent is EDTA-2Na. The invention also provides a use method of the foliar barrier agent; the foliar barrier agent is sprayed on cadmium-contaminated wheat leaves during a vigorous growth period of wheat, and can efficiently and significantly prevent the wheat grains from absorbing and transporting heavy metal cadmium, and the application times and application amount are small, toxic and side effects are avoided, the normal growth and development of the wheat are not affected, the barrier agent is safe and non-toxic to a human body, and can effectively inhibit the wheat grains from absorbing and transporting heavy metal cadmium and reduce the accumulation of cadmium in the wheat grains. The invention also provides a research method for a barrier mechanism of the foliar barrier agent to heavy metal Cd , and new application of EDTA-2Na, providing a good solution for the cadmium pollution problem of the wheat grains.

The invention provides a water-culture method for relieving a toxic action of cadmium on tomatoes by virtue of methyl jasmonate and application of MeJA. The water-culture method comprises the following steps: disinfecting tomato seeds by virtue of sodium hypochlorite, uniformly putting the tomato seeds into a tray containing vermiculite, when each tomato seed grows to present two leaves and a core, transferring the tomato seeds into a water-culture tank, and carrying out culture for three weeks; and spraying MeJA with a concentration of 10umol/L to leaves of tomato seedlings, and processing the tomato seedlings by virtue of 2mg/kg Cd(CdCl2.2.5H2O) after 24h. According to the method, the Cd content of tomato roots can be effectively decreased, the biomass of the tomatoes under Cd stress canbe increased, the content of endogenous hormones in the tomato seedlings can be regulated, and oxidative damage of tomato cells as well as synthesis inhibition of photosynthetic pigments caused by the Cd stress can be relieved, so that the quality of the tomatoes is improved.

The invention discloses a plant liquid, and a preparation method and an application thereof. The preparation method comprises the following steps: adding 50-60g of Folium Isatidis and 20-25g of fresh leaf wastes to every 20g of the fresh branch and leaf material of Melaleuca ahemifolia, adding 1200mL of distilled water, boiling, adding water to 1200mL, and removing residues to obtain a supernatant which is the plant liquid. The plant liquid can promote growth of crops, substantially increases yield, substantially reduces pest diseases of the crops, and makes leaves be green to realize the plant foliage beautifying effect; and the plant liquid also can substitute chemical fertilizers and parts of chemical pesticides to prepare plant green manure for improving the mouthfeel of the crops, so the procurement price of the crops is improved. The plant liquid contains a large amount of various organic matters, and increases the organic matters of soil, so the activity ability of soil microbes is enhanced, and some residua pesticides, heavy metals and other pollutants in the soil are adsorbed, thereby the poisoning effect of poisonous and harmful substances on soil and crops is alleviated.

The invention belongs to the technical field of composite hydrogel materials, and particularly relates to modified charcoal composite hydrogel as well as a preparation method and application thereof. The composite hydrogel takes charcoal, polyvinyl alcohol and acrylic acid as initial raw materials, and is prepared by the steps of: modifying charcoal by nitric acid to obtain modified charcoal; heating and dissolving polyvinyl alcohol to obtain a polyvinyl alcohol aqueous solution; diluting acrylic acid and neutralizing the diluted acrylic acid by potassium hydroxide to obtain a neutralized acrylic acid aqueous solution; adding an initiator ammonium persulfate and a cross-linking agent N, N'-methylene bisacrylamide into the metered modified charcoal, polyvinyl alcohol aqueous solution and neutralized acrylic acid aqueous solution; and heating to carry out a cross-linking polymerization reaction. The composite hydrogel has high Cd adsorption capacity, can adsorb cadmium in soil in tobacco planting, relieves the toxic action on tobacco seedlings under Cd stress, improves the SPAD value of the tobacco seedlings, enhances oxidation resistance and stress resistance of the tobacco seedlings, and promotes growth and development of the tobacco seedlings.

The invention belongs to the technical field of continuous cropping ginger cultivation, and discloses a planting method of continuous cropping gingers based on earthworm dung and AMF. The continuous cropping gingers are taken as objects, and the effects of different proportions of earthworm dung + AMF on the number of branches, plant height, stem diameter, part of fresh weight on the ground, yield, disease index and control effect of the continuous cropping gingers are studied. The results showed that earthworm dung and AMF have a great influence on the number of the branches of the continuous cropping gingers, and the branch germination of the gingers at early stage is promoted by adding earthworm dung to the continuous cropping soil. According to the planting method of continuous cropping gingers, by starting from the aspects of ginger biological and soil microbial quantity and the like, the local characteristic crop gingers taken as the mediums and the earthworm dung used as the foundation are combined with inoculated GM inoculum (one of the AMF) to study the effects of compound substrate of the earthworm dung + AMF on ginger continuous cropping obstacles, so as to provide a theoretical basis for the development of the local ginger industry, the resource utilization of the earthworm dung and the production of the novel biological organic fertilizers.

The invention discloses a method for processing health rice wine and relates to the technical field of wine brewing. The method comprises the following steps: making a herbal medicine starter, uniformly mixing the herbal medicine starter with cooked rice, and performing saccharification, fermentation, distillation and ageing, thereby obtaining the rice wine, wherein the herbal medicine starter ismade by the following steps: A, weighing the following raw materials in parts by weight: 50-80 parts of rice, 12-18 parts of soybeans, 10-16 parts of dogwood, 7-15 parts of hericium erinaceus, 5-10 parts of licorice roots and 3-8 parts of astragalus membranaceus; B, cooking rice, frying soybeans, and grinding the soybeans into powder for later use; C, grinding the dogwood, the hericium erinaceus,the licorice roots and the astragalus membranaceus into powder, and uniformly mixing the powder so as to obtain mixed medicine powder; and D, uniformly mixing the cooked rice, the soybean powder and the mixed medicine powder so as to obtain a mixed material, putting 1-2% of saccharomycetes and 0.5-1% of rhizopus oryzae into the mixed material, continuously mixing and uniformly stirring, and performing fermentation at 25-38 DEG C till the material has dense hyphae, thereby obtaining the herbal medicine starter. Wine made by using the method not only is unique in fragrance, but also has effectsof preventing oxidation, clearing livers and improving eyesight and improving immunity.

The invention provides a nutrient conditioning agent used for improving quality of gen-seng and American ginseng, and a preparation method and applications thereof, and belongs to the technical fieldof fertilizer. The nutrient conditioning agent used for improving quality of gen-seng and American ginseng comprises a ferrous salt, a silicate, and macroelement, wherein the mass ratio of the ferroussalt to the silicate is controlled to be 0.22-1.5:1. The nutrient conditioning agent is prepared through mutual cooperation of iron with silicon, so that the nutrient conditioning agent is beneficialfor synthesis of saponins in gen-seng and american ginseng, and is suitable to be used in the field.

The invention discloses a method for promoting growth of spathiphyllum petite under heavy metal stress. The method comprises the following steps: selecting a normal soil sample, a soil sample lightly-polluted by lead-zinc ore heavy metal and a soil sample heavily-polluted by lead-zinc ore heavy metal, respectively extracting leaching solutions, and applying exogenous sodium silicate into the leaching solutions; selecting spathiphyllum petite plants with good growth vigor and approximate biomass; culturing the spathiphyllum petite by using the three leaching solutions, placing the spathiphyllumpetite in an environment with scattered light at a windowsill for culturing, performing aeration treatment by using an aerator, and covering each treated culture basin by using black plastic. By means of the method, damage of heavy metal to spathiphyllum petite can be effectively relieved, and the growth of spathiphyllum petite under stress of the lead-zinc ore heavy metal is promoted.

The invention relates to the field of cosmetics, in particular to syzygium-samarangense-flavor lip pomade and a preparation method thereof. The lip pomade comprises syzygium-samarangense extract, common head cabbage extract, camellia oil, okra essential oil, folium illicis latifoliae and sodium carboxymethyl cellulose. The preparation method includes: mixing the syzygium-samarangense extract, the common head cabbage extract and folium illicis latifoliae; adding water, and decocting for three times: using big fire to decoct for 1h for the first time, using small fire to decoct for 2h for the second time, and using big fire to decoct for 20min for the third time; blending decoctions of the three times, filtering, and heating filtrate until material temperature is 70-75 DEG C; adding sodium carboxymethyl cellulose, performing microwave treatment until sodium carboxymethyl cellulose ingredients are dissolved, and cooling to normal temperature; adding the camellia oil and the okra essential oil, stirring at a high speed, and performing vacuum condensation till being thick to obtain the syzygium-samarangense-flavor lip pomade. The lip pomade can enhance discharging of cytotoxity, has anti-aging, moisture-retaining and wrinkling-resistant efficacy and has oxidation resistance, lip aging is effectively delayed, and lip pigmentation is reduced.

The invention discloses a salt resistant growth regulator of basella alba and a preparation method of salt resistant growth regulator. The salt resistant growth regulator of the basella alba is prepared from 0.01-0.08g/L salicylic acid, 1.0-3.5g/L potassium metasilicate, 0.02-0.06g/L vitamin C, 0.5-2.0ml alcohol, 3-5ml tween 20 and water as a solvent. The salt resistant growth regulator of the basella alba improves oxidation resistance of the basella alba and increases the throughput of the basella alba in a salting environment.

The invention provides a hydroponic method using exogenous ferric salt to alleviate toxic effects of cadmium to tomatoes and application of the exogenous ferric salt. The method comprises the following steps that tomato seeds are evenly placed in a tray containing vermiculite after being disinfected with a sodium hypochlorite solution; after the tomato seeds grow to the two-leaf one-core period, aFe solution with the concentration of 200-300 umol.L<-1> is added into the hydroponic solution for hydroponic treatment for three weeks. According to the method, the accumulation amount of Cd in thetomatoes under Cd stress is effectively reduced by 46-62.1%. The method improves the quality of the tomatoes.

The invention relates to an application of Fe in the relief of Cu toxicity to phaeodactylum tricornutum cells. According to the application, Fe is added into a Cu containing phaeodactylum tricornutum liquid, the concentration of dosed Cu is 0-100 micrograms, the concentration of dosed Fe is 20-80 micrograms, and the amount of cells in all components is continuously determined. According to the application, shown by experiments, Fe basically has no influence on the growth of the phaeodactylum tricornutum cells, the growth of the phaeodactylum tricornutum cells is severely inhibited by Cu, the toxic effect on the phaeodactylum tricornutum cells caused by Cu can be effectively relieved through adding Fe into the Cu containing phaeodactylum tricornutum liquid, and the relief effect is most obvious when 20-80 micrograms of Fe is added into the phaeodactylum tricornutum liquid with the Cu concentration of 0-100 micrograms; and as Fe basically has no influence on the growth of the phaeodactylum tricornutum cells and Fe is ubiquitous and cheap and is easy to get, Fe has a good application prospect in the aspect of relief of the Cu toxicity to the phaeodactylum tricornutum cells.