36 results about "Chelating iron" patented technology

The invention discloses a saline-alkali soil improvement and disease resistance double-effect controlled release fertilizer and a preparation method thereof. The fertilizer comprises 18-22% of biochar, 12-18% of furfural residues, 8-12% of cow dung compost and 6-10% of potassium humate. 5-7% of aluminum sulfate, 4-6% of sulfur and 3-5% of zeolite; the microbial inoculum comprises the following components in percentage by weight: 1.5 to 2.5 percent of saline-alkaline bacillus, 0.8 to 1.2 percent of bacillus subtilis and 0.8 to 1.2 percent 8-12% of a sodium polyacrylate coating, 4-6% of a sulfur coating and 1-3% of polyglutamic acid; 0.8 to 1.2 percent of humic acid chelated iron, 0.8 to 1.2 percent of algal polysaccharide and 0.8 to 1.2 percent of urease inhibitor; 0.8 to 1.2 percent of zinc sulfate, 0.5 to 1.0 percent of manganese sulfate and 0.5 to 1.0 percent of borax. The fertilizer can reduce the pH and conductivity of soil, increase the organic matter content of the soil and effectively improve the physicochemical properties of the soil, meanwhile, by adding the microbial agent, the disease resistance of crops can be effectively improved, the morbidity and disease index of the crops can be reduced, and nutrient release of the fertilizer has a sustained and controlled release characteristic; the initial release rate and the cumulative release rate of nitrogen are both lower than those of common chemical fertilizers, and the cumulative release rate of nitrogen is moderate within 60 days, so that the nutrient requirements of crops in different growth stages can be met.

The present application relates to a chelated iron desulfurizer, which is composed of a high-price soluble iron salt, a chelating agent, a pH buffer and water, wherein the chelating agent is a compound of sodium polyetheramine tetraacetate and at least one of N,N-diethylcarboxylic acid-based ethylenediamino-3-hydroxysuccinic acid, a polycarboxylic acid chelating agent or an amino acid-derived chelating agent; or the chelating agent is a compound of tetrasodium N,N-diethylcarboxylic acid-based ethylenediamino-3-hydroxysuccinic acid and at least one of sodium polyetheramine tetraacetate, a polycarboxylic acid chelating agent or an amino acid-derived chelating agent. Compared with the existing commonly used desulfurizers EDTA or NTA, the chelating ability of the present application's chelated iron desulfurizer is significantly improved, the iron ion regeneration ability is significantly enhanced, and the desulfurization effect is comparable to EDTA or NTA.

The invention provides a pill-type organic fertilizer special for vegetables. The pill-type organic fertilizer is prepared from the following raw materials in parts by weight: modified biochar, fermented livestock and poultry manure, plant source protein zymolyte, a complex microbial inoculant, a trace element supplement and a binder, and a method therefor; the complex microbial inoculants comprise actinomycetes, bacillus amyloliquefaciens and trichoderma harzianum; the trace element supplement comprises EDTA (Ethylene Diamine Tetraacetic Acid) chelated zinc, EDTA chelated iron and boric acid. Therefore, on one hand, the organic fertilizer can effectively improve the facility agriculture soil environment, adjust the soil acidity and alkalinity, reduce the salinization degree, promote balance and stability of microbial communities and restore and improve the ecological function of soil; on the other hand, the utilization rate of the fertilizer can be greatly improved, and the plant-source proteolysis provides a quick-acting nitrogen source to promote root development; the microelement supplement meets the requirements of vegetables on microelements; nutrients are balanced, vegetable stress resistance is enhanced, and photosynthetic efficiency is improved; and the binder enables the fertilizer to form uniform particles, is suitable for mechanical fertilization, and improves the fertilization efficiency.

The invention provides periorbital secretion inhibition gel containing natural plant polyphenols and a preparation method thereof, and relates to the field of pet eye care, the gel is chelated with iron ions through EGCG to block a porphyrin oxidation pathway, cooperates with zinc ions to inhibit bacterial growth and plays a role in multiple mechanisms of targeted removal of bacterial biofilms through antibacterial peptide LL-37; in-vitro tests prove that the functional components in the gel have a remarkable synergistic effect, proliferation of staphylococcus aureus can be effectively inhibited, deposition of porphyrin is remarkably inhibited, and formation of tear stains is relieved; animal experiment results show that the gel has a remarkable tear stain removal effect and good periorbital safety, after two weeks of treatment, the periorbital tear stain area is reduced by 75.97% compared with that of a bear dog, the eye McDonald-Shiadduck stimulation score is also remarkably reduced, corneal fluorescein staining detection results of all tested animals are negative, and the gel has a good clinical application prospect. A mild and effective new thought is provided for inhibiting the periocular secretions of the pets.

The invention relates to the technical field of environmental catalysis and pollution treatment, in particular to a chelated iron desulfurizer. According to the desulfurizer, DOTA is used as a core chelating agent, an iron active center is accurately anchored to a shell layer of a polymer core-shell structure microsphere through a multi-step polymerization and functionalization process, and the design of solution-state complexing iron is assisted, so that the desulfurizer has both solid-phase localization and solution compensation, the capability of resisting poisoning of impurities such as cyanide and mercaptan is remarkably improved, and iron loss is reduced. The desulfurizer is high in desulfurization efficiency and large in sulfur capacity, can stably operate for a long period, shows excellent continuous activity and selectivity under the conditions of coexistence of various impurities and repeated regeneration, and has a good application prospect.

A method and system of extracting iron oxide from ore is provided, which may include adding a chelating agent to an iron ore to form an iron ore and chelating agent solution, heating the solution to reflux in water, and filtering the solution to yield an extraction residue and a chelated iron solution. The chelated iron solution may be treated with a potassium hydroxide and water solution to yield iron hydroxide.

The invention discloses a natamycin-containing water-soluble fertilizer and an application method thereof, and relates to the technical field of water-soluble fertilizers, the natamycin-containing water-soluble fertilizer is prepared from the following raw materials by mass: 65% of nutrient elements, 20% of water, 10% of a stabilizing agent, 10% of a stabilizing agent, and the balance of water. 8% of medium elements; 0.08% of natamycin; 0.1% of EDTA (Ethylene Diamine Tetraacetic Acid) chelated iron, zinc and boron and 0.2% of polysorbate; 0.5% of a surfactant; 0.3% of a stabilizer; 0.02% of vitamin C; 22.8% of water; 1% of a cosolvent; according to the scheme, the problems that an existing water-soluble fertilizer is poor in fungal pollution prevention effect, and after fertilization is finished, products are prone to fungal infection damage, so that the product fertilization effect is poor, and the survival rate is low are solved.

The present application relates to the field of microorganisms, and specifically discloses a Bacillus spporidia HP‑2 and an application thereof; a Bacillus spporidia HP‑2, which is deposited in the China Center for Type Culture Collection with a deposit number of CCTCCNO.M20221789; a biological fertilizer comprising the following raw materials: soybean meal, potassium phosphate, diammonium phosphate, EDTA chelated magnesium, EDTA chelated calcium, EDTA chelated iron, zinc sulfate, humic acid, biological fiber, breathable filler, and Bacillus spporidia HP‑2 bacterial liquid; the Bacillus spporidia HP‑2 bacterial liquid is prepared from Bacillus spporidia HP‑2; Bacillus spporidia HP‑2 has the advantages of high temperature resistance and alkali resistance, and can increase crop yield after application.

The application discloses a preparation method of a modified vanadium-iron denitration catalyst and relates to the technical field of catalysis. The application does not need to introduce tungsten-containing and molybdenum-containing raw materials in the whole process. A vanadium source alkaline solution and a citric acid chelated iron-copper chelated solution are prepared, a double-stage mixing in-situ composite process is adopted, the iron-copper chelated solution is added into a premixed material of a carrier and a vanadium source in a buried material type dropping mode, a linkage control system pH is stabilized, a V-Fe-Cu-O ternary solid solution is formed, then phosphorus elements are embedded and a molding aid is added to mix and form a plastic mud material, after aging, extrusion molding and gradient drying, the material is calcined in an oxidative atmosphere in stages, and a stable V-Fe-Cu-P composite solid solution is formed. Through time sequence decoupling and precise process control, the application realizes uniform dispersion of active component molecules at a molecular level, improves the denitration activity, mechanical strength and sulfur deactivation resistance of the catalyst, and the process is simple and suitable for industrial scale production.

The present application relates to the field of environmental catalysis and pollution control technology, and particularly relates to a chelated iron desulfurizer. The desulfurizer takes DOTA as a core chelating agent, and through a multi-step polymerization and functionalization process, the iron active center is precisely anchored in the shell layer of the polymer core-shell structure microsphere, supplemented by the design of solution-state complex iron, which has both solid-phase localization and solution compensation, significantly improving the resistance to cyanide, mercaptan and other impurities poisoning capacity, and reducing iron loss. The desulfurizer has high desulfurization efficiency, large sulfur capacity, and can be stably operated for a long period. Under the conditions of coexistence of various impurities and repeated regeneration, the desulfurizer shows excellent sustained activity and selectivity, and has good application prospect.

The invention relates to the technical field of preparation of organic fertilizers, and particularly discloses preparation and application of a wheat compound foliar fertilizer. The wheat compound foliar fertilizer is prepared from 30 to 40 parts of decomposed livestock and poultry manure, 20 to 30 parts of straw fermentation product, 10 to 14 parts of soybean cake powder, 4 to 8 parts of amino acid, 2 to 6 parts of humic acid, 1 to 5 parts of alginic acid, 1 to 2 parts of EDTA (Ethylene Diamine Tetraacetic Acid) chelated iron, 0.5 to 1 part of amino acid chelated zinc, 0.1 to 0.3 part of sodium selenite, 0.5 to 1 part of boric acid, 1 to 1.4 parts of compound enzyme preparation and 0.3 to 0.8 part of emulsifier. The organic raw materials such as the decomposed livestock and poultry manure, the straw fermentation product and the soybean cake powder are scientifically proportioned with biostimulants such as amino acid, humic acid and alginic acid, and trace elements such as EDTA chelated iron and amino acid chelated zinc, so that the fertilizer is balanced in nutrition and can meet the comprehensive requirements of wheat for various nutrients in different growth stages.

The invention belongs to the technical field of vegetable substrates, and particularly relates to a greenhouse vegetable substrate for plateau regions and a preparation method thereof. The final mixing comprises the following steps: mixing the fermented sheep manure with nutrient soil, and adding a vermiculite mixture and a sodium carboxymethyl cellulose aqueous solution to obtain the vegetable substrate; a preparation method of the nutrient soil comprises the following steps: mixing urea, boric acid, EDTA chelated iron, EDTA chelated zinc, EDTA chelated copper and ammonium molybdate, heating to 38-42 DEG C, spraying a kH550 silane coupling agent solution, stirring at 58-63 DEG C for 1.8-2.2 hours, adding into deionized water, heating to 40-43 DEG C, adding hydroxy propyl cellulose, polyvinylpyrrolidone, Tween 80 and sorbitol, carrying out spray drying, mixing with charcoal and alfalfa meal, and uniformly stirring to obtain the nutrient soil. Nutrient soil is obtained; the prepared vegetable substrate is excellent in water absorption and water retention performance and good in ultraviolet radiation resistance, growth and development of vegetables are effectively promoted, the yield of the vegetables is increased, and the quality of the vegetables is improved.

The invention provides deferoxamine mesylate response type nickel-iron layered double hydroxide and application thereof, and belongs to the technical field of biological medicine. The deferoxamine mesylate response type ferro-nickel layered double hydroxide provided by the invention comprises DFOM and NiFe-LDH (layered double hydroxide). By utilizing the characteristic that DFOM is chelated with iron ions, the iron ions in NiFe-LDH are chelated, and nickel ion release is promoted to realize effective killing of malignant tumors, so that the tumor inhibition capability of deferoxamine mesylate response type ferro-nickel layered double hydroxide is improved. Experimental results show that the tumor inhibition rate of the deferoxamine mesylate responsive type ferro-nickel layered double hydroxide provided by the invention reaches 76.2%.

This invention belongs to the field of plant tissue culture technology, specifically relating to a method for producing natural cellulose from adventitious roots and its application. The induction culture method includes: using industrial hemp leaves as explants, inducing callus formation, differentiating solid adventitious roots, and obtaining adventitious roots through liquid suspension culture; changing the ammonium-nitrate ratio in the 1 / 2 MS medium to 1000 mg / L potassium nitrate and 300 mg / L ammonium nitrate, and increasing the concentration of EDTA-Fe chelated iron, while keeping other substances unchanged; adding 2 mg / L gibberellin on the 14th day of culture, along with EDTA-2Na to eliminate CaSO4 and release sulfate ions, synergistically increasing cellulose content with gibberellin. Finally, transferring to a bioreactor, nitrogen gas is introduced through a nitrogen cylinder (hypoxia stress), employing a hypoxia-reoxygenation cycle, resulting in the optimal growth state of the adventitious roots from the industrial hemp roots, and the highest cellulose content in the resulting adventitious roots.

The invention discloses a composite asparagus nutrient solution for preventing stem blight and a preparation method thereof. The composite asparagus nutrient solution comprises the following raw materials in parts by weight: basic nutrient components: 3-5 parts of potassium nitrate, 2-3 parts of calcium superphosphate and 1.5-2 parts of magnesium sulfate; the trace element component is prepared from the following components in parts by weight: 0.05 to 0.1 part of chelated zinc, 0.01 to 0.15 part of chelated iron, 0.3 to 0.4 part of boric acid, 0.01 to 0.02 part of manganese sulfate, 0.01 to 0.02 part of sodium selenite and 0.01 to 0.02 part of gibberellin; the plant growth regulator is 6-benzylaminopurine or gibberellin or a combination of 6-benzylaminopurine and gibberellin, and the Chinese herbal medicine extract composition is 2-5 parts. The composite asparagus nutrient solution prepared by the invention improves the production speed of asparagus root systems, enhances the resistance of asparagus and reduces the morbidity of asparagus stem blight.

This invention relates to a method and application for repairing cracks in tunnel concrete, belonging to the field of tunnel construction technology. The method includes the following steps: drilling holes into the cracked areas of the tunnel concrete structure to be repaired, serving as grouting and venting channels, and sealing the openings of the cracks on the concrete surface; sequentially injecting a chelated iron solution of concentration x and a hydrogen peroxide solution of concentration 3-5 wt% into the cracks in the tunnel concrete structure; after the reaction, flushing the inside of the cracks and blowing away any accumulated water; and injecting repair grout into the cracks to complete the repair of the tunnel concrete cracks. The chelated iron solution and hydrogen peroxide solution, through the strong oxidizing effect of hydroxyl radicals (•OH), target and degrade organic pollutants such as oil and algae within the cracks. They also produce in-situ micro-etching on the old, smooth concrete surface, significantly improving the interfacial bonding strength.

The invention discloses a dopa antifungal polypeptide for chelating free iron in fungal cells for sterilization and application thereof, and the dopa antifungal polypeptide is composed of basic amino acid and dopa amino acid which are respectively responsible for penetrating through fungi to enter the fungal cells and chelating iron ions. The polypeptide can also modify various chemical groups, such as lipophilic groups, assembling groups and the like to obtain corresponding derivatives which have high antifungal activity. By chelating free iron in fungal cells, synthesis of iron-sulfur clusters and various downstream life processes are blocked, so that fungal death due to metabolic failure is caused. The dopa antifungal polypeptide is wide in antibacterial spectrum, has no obvious toxicity to mammalian cells and symbiotic flora, and is not easy to induce drug resistance. The dopa antifungal polypeptide provided by the invention can be used for antifungal pharmaceutical preparations, medical instrument antibacterial coatings and daily disinfection and protection products, and provides an innovative strategy for solving the problem of clinical fungal infection.

The invention relates to a crude oil deironing agent, and belongs to the technical field of oil field chemicals. The crude oil deironing agent is prepared by carrying out ultrasonic mixing reaction on ammonium citrate, citric acid and alkyl trimethyl ammonium hydrogen sulfate in water at 50-80 DEG C. After the mixing reaction, the obtained product possibly contains O and S six-membered rings and S = O, S-O and other bonds, and can jointly play a role in chelating iron, so that the chelating deironing capability is improved, the dosage of the agent is reduced, and the production cost is reduced. And meanwhile, the crude oil deironing agent has good water solubility, and can realize conversion from oil-soluble iron in crude oil to water-soluble iron when being used for deironing the crude oil, so that the iron in the crude oil can be effectively removed. The crude oil deironing agent is good in deironing effect, free of corrosivity, low in deironing cost, free of environment pollution in the operation process and easy to popularize on a large scale.

The invention discloses a rapid correction method for iron deficiency yellows of prunes. A correction scheme for the iron deficiency yellows of the prunes comprises any one or a combination of any two or more of a correction scheme A, a correction scheme B and a correction scheme C; the correction scheme A comprises the following steps: spraying EDDHA chelated iron fertilizer to leaf surfaces of yellow prune trees; the correction scheme B is as follows: EDDHA chelated iron fertilizer and mineral source potassium fulvate are applied in soil root irrigation; according to the correction scheme C, the EDDHA chelated iron fertilizer is conveyed to the yellow prune tree by adopting a trunk hanging bag infusion method. The rapid correction method for the iron deficiency yellows of the prunes can solve the problems of abuse of chemical fertilizers, poor prevention and treatment effect, low utilization rate of iron fertilizers and the like in a current method for preventing and treating the iron deficiency yellows of the prunes.

A sulfonated improved aqueous iron-based flow battery electrolyte with high solubility, belonging to the technical field of flow battery energy storage. To solve the problem of low solubility of the iron-based flow battery electrolyte, the present invention uses an asymmetric sulfonated ligand to chelate iron elements, and synthesizes a new type of iron-based flow battery electrolyte with high solubility, and the concentration of the active substance can reach more than 1.3 M at room temperature. The main components of the electrolyte are one or more iron salts, and an aqueous solution of a coordination compound formed by coordinating with 3-tris(hydroxymethyl)methylamino-2-hydroxypropanesulfonic acid (TAPSO), tris(hydroxymethyl)methylaminopropanesulfonic acid (TAPS), tris(hydroxymethyl)methylaminoethanesulfonic acid (TES) or its derivative chemicals. This electrolyte is compatible with ferrocyanide, can provide a voltage of more than 1.3 V, and exhibits excellent cycle stability while maintaining high solubility, creating new possibilities for the development and application of flow battery technology.

The invention discloses a soil conditioner suitable for alkaline soil and a preparation method thereof, and belongs to the technical field of soil treatment. The soil conditioner is prepared from the following raw materials in parts by weight: 100 to 200 parts of citrate gypsum, 40 to 80 parts of zinc humic acid, 30 to 60 parts of boric acid, 15 to 35 parts of modified polyaspartic acid calcium salt, 10 to 20 parts of astaxanthin, 10 to 16 parts of a composite nano material, 5 to 10 parts of straw charcoal, 1 to 4 parts of biological sulfur, 0.2 to 0.8 part of an EM (Effective Microorganism) microbial agent and 0.1 to 0.6 part of EDTA (Ethylene Diamine Tetraacetic Acid) chelated iron. According to the invention, the composite nanomaterial and the complex microbial inoculant are introduced into the traditional basic fertilizer, so that the alkaline soil is well improved, and the fertilizer not only can effectively improve the quality of cucumbers, but also can prevent and treat the infection of corynespora cucurbitae.

The application discloses a compound tea-flavored grape wine based on tea and grape juice synergistic fermentation and a preparation method thereof, and belongs to the technical field of food fermentation engineering. The method aims at solving the problem of traditional tea wine flavor fragmentation. The method comprises the following steps: preparing a modified tannase compound and a protein phytic acid mixture, mixing tea and grape juice, and then synergistically fermenting the tea and grape juice, wherein, in the fermentation process, the modified tannase is used to hydrolyze ester-type catechins to reduce bitterness and promote flavor integration; after the fermentation is completed, the protein phytic acid mixture is added to chelate iron ions and adsorb colloidal particles; and finally, the product wine is obtained through multi-stage clarification. Through the above technical scheme, the flavor coordination and physicochemical stability of tea wine are improved, the fusion of tea aroma and fruit aroma is realized, the flavor coordination and wine body stability are improved, no essence or traditional Chinese medicinal materials need to be added, and the product quality and production efficiency are improved.

The invention discloses a fertilizer for soilless culture of fruits and vegetables and a preparation process thereof, and belongs to the technical field of fertilizer production. The fruit and vegetable soilless culture fertilizer comprises a fertilizer A and a fertilizer B, wherein the fertilizer A comprises calcium nitrate, magnesium sulfate heptahydrate and potassium silicate; the fertilizer B is prepared from ammonium dihydrogen phosphate, potassium sulfate, chelated trace elements, 5-aminolevulinic acid, a seaweed extract and glycine betaine; the chelated trace elements comprise chelated iron, chelated manganese, chelated zinc, chelated boron, chelated copper and ammonium molybdate; various functional components such as 5-aminolevulinic acid, seaweed extract, glycine betaine, potassium silicate and the like are added and innovatively combined, and the photosynthetic capacity, the immunocompetence and the stress resistance of fruits and vegetables are comprehensively improved from multiple aspects of activating disease-resistant genes, enhancing the strength of cell walls of plants and the like. In the actual planting process, the occurrence probability of plant diseases and insect pests can be effectively reduced, the use amount of pesticides is reduced, the food safety of fruits and vegetables is guaranteed, the planting cost is reduced, and the economic benefits are improved.

This invention discloses an oil-soluble iron adsorbent, its synthesis method, and its application. The method involves terminal-amino grouping of a long-chain compound, polybutadiene, to obtain an amino grouped polybutadiene compound. This compound then reacts with carbon disulfide to generate a high-molecular-weight polymer containing dithiocarbamate groups, with the amino grouped polybutadiene compound as the main component. This surface-modified adsorbent, without affecting the original adsorbent performance, introduces a long-chain compound with dithiocarbamate groups, which can complex with oil-soluble iron in lubricating oil to form chelated iron. This chelated iron precipitates from the lubricating oil and accumulates on the adsorbent surface, thereby achieving the purpose of removing oil-soluble iron. Furthermore, surface modification of the adsorbent involves acidification treatment to introduce carboxyl groups onto the adsorbent surface. Simultaneously, the reaction between these surface carboxyl groups and the long-chain compound allows the long-chain compound to exhibit its chemical properties, effectively improving the adsorption rate of the adsorbent for polar aging products.

This invention relates to the field of plant cultivation technology, and more particularly to a soilless cultivation nutrient solution and its application. The nutrient solution comprises calcium salts, potassium salts, chelated iron, magnesium salts, manganese salts, zinc salts, copper salts, molybdenum salts, and borax; based on the molar amount of metal cations, the molar ratio of potassium, calcium, magnesium, iron, manganese, boron, zinc, copper, and molybdenum is (9953–19907):(5998–17343):(3381–4690):(22–59):(25–43):(23–56):(16–24):(1–3):(1–2). Based on in-depth research into the different nutritional requirements of strawberries at different growth stages, this invention yields a nutrient solution suitable for specific growth stages of strawberries. Cultivating strawberries using this nutrient solution composition can effectively improve strawberry yield and quality, and is of great significance in the strawberry production field.

The present invention provides a high-fertilizer-efficiency seaweed fertilizer prepared by using a microbial fermentation technology and a preparation method thereof. The seaweed fertilizer comprises a granular fertilizer and a coating material. The granular fertilizer comprises the following components in parts by mass: 320-325 parts of urea, 210-230 parts of potassium sulfate, 150-170 parts of monoammonium phosphate, 100-120 parts of diammonium phosphate, 50-55 parts of calcium magnesium phosphate fertilizer, 12-14 parts of borax, 3-6 parts of EDTA chelated iron, 8-10 parts of EDTA chelated manganese, 2-6 parts of EDTA chelated zinc, 1-3 parts of ammonium heptamolybdate, 50-60 parts of seaweed extract and 0.2-0.4 parts of microbial inoculum. The seaweed fertilizer of the present invention can improve the lodging resistance and disease resistance of wheat and increase the wheat yield.

The invention relates to a fully water-soluble pesticide-fertilizer complexing agent as well as a preparation method and application thereof, and belongs to the technical field of biological pesticide-fertilizer. The invention relates to a fully water-soluble pesticide-fertilizer complexing agent, which is prepared from the following active ingredients in parts by mass: 1 to 5 parts of allicin sodium salt, 1 to 5 parts of green tea extract, 10 to 50 parts of ammonium nitrate, 10 to 50 parts of monopotassium phosphate, 0 to 0.2 part of EDTA (Ethylene Diamine Tetraacetic Acid) chelated zinc, 0 to 0.3 part of EDTA chelated manganese, 0 to 0.2 part of boric acid, 0 to 1 part of EDTA chelated iron, 1 to 5 parts of humic acid and 1 to 5 parts of agricultural organic silicon. The plant source disease prevention components and the nutrient elements are water-soluble substances, and are compounded to obtain the full-water-soluble pesticide-fertilizer compound preparation which can realize nutrition supply and soft rot prevention and control by single application, so that the problems that the traditional pesticide-fertilizer needs to be applied for multiple times, the plant source disease prevention components are poor in water solubility and the production process is complicated are solved; and the method has a very wide application prospect.

The invention relates to the technical field of agricultural planting, and discloses a brackish water modifier planting application and a preparation method.The brackish water modifier is prepared from, by weight, 15-25 parts of brown sugar, 15-25 parts of amino acid mother liquor, 10-15 parts of bacillus velezensis agent, 5-10 parts of bacillus amyloliquefaciens, 5-10 parts of fish protein liquid and 5-10 parts of biological coenzyme. The feed additive is prepared from the following components in parts by weight: 5-10 parts of bacillus subtilis, 5-10 parts of halophiles, 5-10 parts of halotolerant bacteria, 5-10 parts of halophilic bacillus, 5-10 parts of calcium polyglutamate, 5-10 parts of chelated iron and 5-10 parts of lactobacillus plantarum. By arranging multiple microbial agents, the biological activity of soil can be increased, meanwhile, the salinity and alkalinity of brackish water can be reduced, then the water quality of the brackish water can be improved, and crops can be irrigated conveniently.

The application belongs to the technical field of vegetable substrates, and particularly relates to a facility vegetable substrate in a plateau area and a preparation method thereof; the final mixture is obtained by mixing fermented sheep manure and nutrient soil, adding a mixture of vermiculite and a sodium carboxymethyl cellulose aqueous solution to obtain the vegetable substrate; the preparation method of the nutrient soil comprises the following steps: mixing urea, boric acid, EDTA chelated iron, EDTA chelated zinc, EDTA chelated copper and ammonium molybdate, heating to 38-42 DEG C, spraying a kH550 silane coupling agent solution, stirring at 58-63 DEG C for 1.8-2.2 h, adding to deionized water, heating to 40-43 DEG C, adding hydroxypropyl cellulose, polyvinylpyrrolidone, Tween 80 and sorbitol, spray drying, mixing with biochar and alfalfa powder to obtain the nutrient soil; the vegetable substrate prepared by the application has excellent water absorption and water retention performance, good ultraviolet radiation resistance, effectively promotes the growth and development of vegetables, and improves the yield and quality of vegetables.