247 results about "Seaweed extract" patented technology

The invention discloses a polymeric phosphorus slow-release compound fertilizer and a preparation method thereof, and relates to the technical field of agricultural fertilizers, the polymeric phosphorus slow-release compound fertilizer comprises an inner core and a coating layer, wherein the inner core is prepared from the following components in percentage by weight: 30 to 50 percent of modified ammonium polyphosphate, 15 to 25 percent of urea-formaldehyde slow-release nitrogen, 10 to 20 percent of potassium humate-coated potassium chloride, 2 to 5 percent of amino acid chelated trace elements and 1 to 3 percent of seaweed extract; through the synergistic effect of the citric acid modified ammonium polyphosphate and the three layers of functional envelopes, the phosphorus utilization rate is increased, and the problem that phosphorus is easily fixed by soil is effectively solved. The fertilizer can automatically adapt to different soil environments through the pH responsive coating design, and 30-40% of phosphorus can be quickly released in acid soil to meet the early needs of crops; phosphorus is continuously supplied through activation of the phosphate solubilizing bacteria under a neutral condition; and the fertilizer efficiency is prolonged to 120-150 days by virtue of an outer layer slow release mechanism in an alkaline environment.

The invention relates to the technical field of agricultural fertilizers, discloses a seaweed extract-functional microorganism compound slow-release fertilizer and a preparation method thereof, and solves the problems in the background art. The seaweed extract is a compound containing enteromorpha polysaccharide and alginic acid extract; the functional microorganism is a complex microbial inoculant composed of phosphate solubilizing bacteria, nitrogen-fixing bacteria, phosphate solubilizing bacteria and bacillus; the slow-release carrier is prepared by coating the seaweed extract and the functional microorganisms with sodium alginate-chitosan microcapsules; the signal molecule is selected from at least one of polyamine substances and jasmonic acid methyl ester; the fertilizer has the advantages that the utilization rate of the fertilizer can be increased, growth and reproduction of soil microorganisms are promoted, the stress resistance of crops is improved, and the requirements of different soil types and planting environments can be met.

The invention relates to the technical field of fertilizers, in particular to an environment-friendly water-soluble fertilizer containing a seaweed extract and polyglutamic acid. The water-soluble fertilizer is prepared by preparing seaweed oligosaccharide and double-grafted poly-L-gamma-sodium glutamate and compounding and complexing the seaweed oligosaccharide and the double-grafted poly-L-gamma-sodium glutamate, has the characteristics of low salting-out, high stability, no precipitation, good slow release performance and the like, and can continuously release nutrients and keep a solution clear and transparent under a low-salt condition; and because the polyglutamic acid and seaweed extract compound drip irrigation agent has the chelation and water retention characteristics of the polyglutamic acid and the natural growth promoting effect of the seaweed extract, the crop rhizosphere nutrient absorption efficiency and stress resistance are remarkably improved, the compound drip irrigation agent is suitable for drip irrigation and water and fertilizer integrated application of greenhouse vegetables, fruit trees and field crops, and the comprehensive effects of high efficiency, low salt load and environment friendliness are achieved.

The invention provides a microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening and a preparation method of the microbial agent type bio-organic fertilizer, and belongs to the technical field of organic fertilizers. The microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening comprises the following raw materials: an organic material, a microbial agent, an inorganic nutritional ingredient, vinasse and an additive, wherein the organic material is composed of livestock and poultry manure, crop straw, tobacco waste and a fermentation inoculant; the additive is prepared from humic acid, seaweed extract and amino acid. The organic fertilizer contains rich organic materials and humic acid, the content of organic matters in soil can be increased, the granular structure of the soil can be improved, the growth of soil-borne pathogenic bacteria can be inhibited by the added multiple beneficial microorganisms, the micro-ecological environment of the soil can be improved by the photosynthetic bacteria, and the incidence rate of diseases such as tobacco black shank and bacterial wilt can be reduced.

The invention discloses a special slow-release compound fertilizer for corn and a preparation method thereof, the special slow-release compound fertilizer comprises the following raw materials by weight: 30-40 parts of urea, 15-20 parts of ammonium sulfate, 20-25 parts of potassium sulfate, 15-25 parts of monoammonium phosphate, 2-3 parts of a seaweed extract, 0.5-1.5 parts of polyaspartic acid, 0.5-1.5 parts of trace elements, and 0.5-1 part of a slow-release agent, the slow-release agent comprises DMPP, the trace elements comprise zinc-boron-titanium citrate, and the slow-release agent comprises potassium sulfate, potassium sulfate, potassium sulfate, monoammonium phosphate, polyaspartic acid, zinc-boron-titanium citrate. The seaweed extract comprises chitosan. DMMP is added into the formula, so that stable supply of nitrogen and synergistic yield increase benefits are achieved; the chitosan, the titanium zinc borate citrate and the polyaspartic acid are added, so that the absorption efficiency of the root system is further improved, the robust growth of corn plants is promoted together, and the acre yield and the grain quality of the corn are effectively improved.

The invention discloses a seed pelleting formula for improving salt tolerance of suaeda salsa in coastal saline-alkali soil and a processing method, the pelleting formula comprises 348-492 parts of a filler, 348-492 parts of a binder, 348-492 parts of a water-retaining agent and 348-492 parts of a biological stimulant, and the filler comprises attapulgite, talcum powder and vermiculite; the binder is 73-89 parts and comprises sodium carboxymethyl cellulose, polyvinyl alcohol and starch; the water-retaining agent accounts for 30 to 42 parts, and the water-retaining agent is polyacrylamide; the biological stimulant is prepared from the following components in parts by weight: 20-78 parts of yeast metabolite, potassium fulvate, seaweed essence, rhamnolipid and a microbial agent; the processing method comprises the steps of seed selection, raw material preparation, layered coating, low-temperature drying, selection and sieving, and polishing and shaping. According to the invention, a layered coating process is adopted to break through a traditional single mixed coating mode, an isolation breathable microenvironment is firstly constructed by the filling layer, then growth-promoting stress-resistant nutrient substances are injected by the active layer, and finally, the shaping layer is used for locking and shaping and strengthening protection, so that the seeding performance, salt tolerance, germination activity and seedling stress resistance of the pellets are remarkably improved.

The invention provides a microbial agent compound fertilizer for sandy land and a preparation method thereof, and relates to the technical field of compound fertilizers. The invention relates to a microbial inoculum compound fertilizer for sandy land. The soil conditioner is prepared from the following raw materials in parts by mass: 40 to 60 parts of compost, 0.3 to 0.8 part of nitrogen-fixing bacteria, 0.3 to 0.8 part of phosphate solubilizing bacteria, 0.3 to 0.8 part of potassium bacteria, 8 to 12 parts of charcoal, 8 to 12 parts of zeolite, 9 to 13 parts of perlite, 4 to 6 parts of vermiculite, 1 to 3 parts of seaweed extract, 2 to 4 parts of humic acid, 1 to 7 parts of waste cellulose nanocrystals, 30 to 40 parts of insect debris, 0.3 to 3 parts of nano carbon dots, 3 to 9 parts of lime and 8 to 15 parts of wood fiber. The compound fertilizer disclosed by the invention not only is rich in various necessary nutrient elements, but also has a good slow release effect and a good soil improvement function, can effectively improve soil fertility and promote plant growth through the action of various biological strains, and also has the characteristics of environmental protection and no pollution by utilizing the waste cellulose nanocrystals and the insect remains.

The invention relates to the technical field of fertilizers, in particular to a seaweed-containing synergistic monoammonium phosphate fertilizer as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing a seaweed extract with beta-cyclodextrin, performing microencapsulation, and performing spray drying to obtain an embedded material; mixing with monoammonium phosphate and polyglutamic acid, and granulating; spraying salt-resistant compound bacteria liquid on the surfaces of the particles; and finally, coating the particles with a chitosan-sodium alginate composite film. According to the prepared synergistic monoammonium phosphate fertilizer finished product, the phosphorus utilization rate of monoammonium phosphate saline-alkali soil can be increased, the phosphorus fixation rate can be greatly reduced, the retention rate of active ingredients of the seaweed extract is greatly increased compared with that in the prior art, the rhizosphere survival rate of salt-tolerant flora is greatly increased, and the salt-tolerant flora, the seaweed extract and monoammonium phosphate cooperate to promote crop yield increase.

The invention relates to the technical field of fertilizer preparation, in particular to a farmland drought-resisting and water-retaining multifunctional green fertilizer and a preparation method thereof. The farmland drought-resisting and water-retaining multifunctional green fertilizer is prepared from the following components in parts by mass: 40-60 parts of mushroom dregs, 10-20 parts of konjac glucomannan residues, 3-5 parts of a water-retaining agent, 11-15 parts of an NPK compound fertilizer, 4-6 parts of trace elements, 0.4-0.6 part of a fermentation inoculant, 1-2 parts of wormcast, 1-2 parts of humic acid and 0.6-0.8 part of a seaweed extract. The prepared fertilizer can significantly improve the physical structure of soil, enhance the water retention capacity of the soil, promote the growth and development of crop roots, and further improve the drought resistance of crops. In addition, the application of the fertilizer is helpful for reducing the use amount of chemical fertilizers, so that the sustainable development of ecological agriculture is promoted.

The invention discloses a special organic fertilizer for soybeans and a preparation method thereof, and belongs to the technical field of organic fertilizers. The special organic fertilizer for soybeans is prepared from the following raw materials in parts by weight: 8-10 parts of fish protein modified charcoal, 40-50 parts of decomposed soybean meal, 20-25 parts of decomposed livestock and poultry manure, 15-20 parts of humic acid, 10-15 parts of plant ash, 3-5 parts of a seaweed extract and 0.1-0.3 part of ammonium molybdate. According to the organic fertilizer, the soybean meal fermented by the trichoderma reesei and the aspergillus awamori and the fish protein modified biochar are added, the two components are compounded with the cooked livestock and poultry manure, the humic acid, the plant ash, the seaweed extract and the ammonium molybdate to form the organic fertilizer, the nitrogen fixation capacity of the soybeans is effectively improved through the synergistic effect of various substances, and the growth and development of the soybeans are remarkably promoted; the soybean yield and quality are improved. In addition, the whole organic fertilizer preparation process is free of strong acid and strong alkali treatment, the environmental pollution risk is reduced, and the standard of organic agriculture is met.

The invention relates to the technical field of textile fabrics, in particular to a moisture-absorption breathable polyester and chinlon composite fiber and a preparation method thereof. The invention relates to a moisture-absorbing breathable polyester and chinlon composite fiber, which is a skin-core composite fiber, takes moisture-conducting polyester fiber as a skin layer, and takes water-absorbing modified chinlon fiber as a core layer, the moisture-conducting polyester fibers are prepared from the following components in parts by weight: 68 to 75 parts of superfine denier polyester filaments, 12 to 16 parts of seaweed extract powder, 4 to 6 parts of lyocell fibers and 5 to 11 parts of a moisture-conducting auxiliary agent; the moisture conducting auxiliary agent comprises cellulose nano fibrils, nano bamboo charcoal powder and sericin. Aiming at the problem that the moisture absorption and air permeability of the existing polyester-nylon composite fiber are difficult to meet higher industrialization requirements, the moisture absorption and air permeability type polyester-nylon composite fiber with high water absorption rate, short drip diffusion time and water evaporation speed is prepared.

The invention relates to the technical field of soil improvement, and particularly discloses a soil conditioner based on microbial community regulation and control and a preparation method thereof, the soil conditioner comprises: (a) a composite functional flora comprising nitrogen-fixing bacteria, phosphate solubilizing bacteria, potassium-dissolving actinomycetes and trichoderma, and the viable count ratio of the nitrogen-fixing bacteria to the phosphate solubilizing bacteria to the potassium-dissolving actinomycetes to the trichoderma is (1.0-1.5): (0.8-1.2): (0.5-1.0): (0.3-0.8); b) modified biochar carrier: the modified biochar carrier is prepared by oxygen-limited thermal cracking of agricultural wastes and is subjected to surface modification by a chitosan solution with a mass fraction of 3-5%; (c) a synergistic component which comprises humic acid particles and an enzymolysis seaweed extract; (d) a flora activator: compounding fructo-oligosaccharide and L-aspartic acid according to a mass ratio of 2: 1; through the synergistic effect of multifunctional composite flora of nitrogen-fixing bacteria, phosphate-solubilizing bacteria, potassium-solubilizing actinomycetes and trichoderma, the biotransformation process of nitrogen, phosphorus and potassium elements in soil is synchronously activated, and the modified charcoal carrier is subjected to multi-stage pyrolysis and chitosan modification to form a graded pore structure.

The invention relates to the technical field of fertilizers, in particular to an alginic acid organic water-soluble fertilizer capable of quickly releasing nutrients and a preparation method of the alginic acid organic water-soluble fertilizer. The organic water-soluble fertilizer is prepared from the following preparation raw materials: 30 to 35 parts of sodium alginate, 12 to 15 parts of a seaweed extract composition, 5 to 8 parts of monocalcium phosphate, 5 to 8 parts of monopotassium phosphate, 12 to 15 parts of urea, 0.5 to 0.8 part of a chelating agent, 40 to 45 parts of an organic fertilizer raw material, 1.5 to 2 parts of a microbial strain, 12 to 16 parts of ammonium humate, 4 to 6 parts of a cosolvent and 1.4 to 1.7 parts of xanthan gum. By optimizing the ratio of the raw materials, the absorption and utilization rate of plants to the water-soluble fertilizer is remarkably improved; nutritional ingredients can be quickly released, and plants can be promoted to absorb water-soluble fertilizer; through the synergistic effect of microorganisms and organic components, the content of nutrient substances in soil is increased, plants are helped to better absorb mineral substances and trace elements, the utilization efficiency of the fertilizer is improved, healthy growth of the plants is promoted, and the yield is increased.

The invention relates to the technical field of soil carbon improvement, and discloses a composite biological stimulant for tropical rainforest soil carbon improvement and a preparation method and application thereof, the composite biological stimulant is obtained by mixing a microbial preparation, an immobilized carrier, porous biochar, an inorganic mineral compound, a slow release fertilizer, a soil conditioner and a plant symbiotic inoculant; the microbial preparation comprises one or more of lactic acid bacteria, nitrifying bacteria, phosphate solubilizing bacteria, nitrogen-fixing bacteria and arbuscular mycorrhizal fungi; the inorganic mineral compound comprises feldspar, apatite and montmorillonite; the slow-release fertilizer comprises biochar, humic acid and phosphate; the soil conditioner comprises biological colloid prepared from seaweed extract and natural plant fiber prepared from straw and palm fiber; the plant symbiotic inoculant comprises rhizobium and / or endophyte. According to the composite biological stimulant, the soil carbon fixing capacity of the tropical rainforest is remarkably improved, the soil void structure is improved, and the plant growth capacity is enhanced.

The invention relates to a compound microbial fertilizer containing a seaweed extract as well as a preparation method and application of the compound microbial fertilizer, and aims to solve the problems that a traditional embedding material in a microbial fertilizer provided by the prior art is easy to disintegrate in a high-salt environment, a microbial inoculum is easy to inactivate, and the effect of the fertilizer in a high-pH environment is relatively small. Adding a seaweed extract and tannic acid into the bacterial liquid to form microcapsules, taking seaweed oligosaccharide and humic acid composite liquid as an outer slow-release layer, and spraying the bacterial liquid onto the surfaces of fertilizer particles through a nozzle, so that the fertilizer forms a gradient coating structure. According to the preparation method of the compound microbial fertilizer containing the seaweed extract, the fertilizer forms an ion barrier layer in a high-salt environment, natural auxin and humic acid in the seaweed extract synergistically activate strain metabolism, and after the prepared compound microbial fertilizer is applied, the growth effect of crops in a high-pH environment can be greatly improved.

The invention discloses an artificial biological reef for naturally repairing coral, a system and a preparation method. The artificial biological reef body comprises a main body structure made of a cement-based composite material, and at least one hollow cavity is formed in the main body structure; the ecological through holes penetrate through the wall thickness of the main body structure and are used for promoting water flow exchange and marine organism channels; the biological affinity surface layer is arranged on the surface of the main body structure, is made of cement-based materials mixed with seaweed extracts and has rough textures so as to promote attachment of coral larvae; and a reinforcing framework formed by a corrosion-resistant fiber reinforced material embedded in the main body structure improves the overall structural strength and impact resistance. The system comprises a plurality of reefs, special connecting pieces and a foundation stabilizing platform, and can be combined into an array for simulating a natural reef space structure. The preparation method comprises the steps of seaweed extract preparation, bioactive slurry preparation, assembly prefabrication, integrated pouring forming, maintenance and function integration, and preparation of the eco-friendly, stable-structure and multifunctional artificial reef is achieved.

The invention discloses an organic fertilizer which is prepared from the following raw materials in parts by weight: 30-60 parts of agricultural waste powder, 10-20 parts of mineral powder, 5-15 parts of animal and plant grease residues, 3-10 parts of a seaweed extract, 5-15 parts of humic acid, 1-5 parts of a microbial agent, 0.5-3 parts of a trace element additive and 2-8 parts of a natural adhesive. The problem that an existing organic fertilizer is single in nutrient element is solved, the organic fertilizer can provide macro and trace nutrients at the same time, the nutrient solubility is improved through the chelation of humic acid, and the nutrient absorption efficiency of crops is improved.

The invention discloses a citrus growth promoting fertilizer and a fertilization method thereof, and relates to the technical field of chemical fertilizer production, the citrus growth promoting fertilizer comprises 40-60 parts of macroelements, 15-25 parts of medium elements, 8-12 parts of trace elements, 10-18 parts of an organic active agent, and 5-10 parts of a slow release agent. Therefore, firstly, the nano calcium carbonate is used for replacing a traditional calcium source, and a polylactic acid-fucoidan slow-release membrane technology is combined, so that the dissolved state keeping time of calcium ions in the soil is prolonged by 30-50%, the calcium absorption rate is increased to 35% or above from the average industrial 20-30%, and the fruit cracking rate of citrus is effectively reduced; the bacillus subtilis and the seaweed extract in the organic active agent have a synergistic effect, through biological antagonism and induced resistance, the canker incidence rate is reduced to 1 / 4 of that of a control group, meanwhile, the soil microenvironment is improved through humic acid, and the root system health degree is improved by 40%.

The invention relates to a watermelon sweetening cultivation method. The watermelon sweetening cultivation method comprises the following steps: S1, applying a thoroughly decomposed organic fertilizer and a potassium-magnesium compound fertilizer which are uniformly mixed into soil as a base fertilizer before planting; s2, atomizing and spraying sweeteners to leaf surfaces and flowers of the watermelons in flowering and fruit setting periods; s3, a sweetener is sprayed to leaf surfaces from a watermelon fruit swelling period to a watermelon fruit maturation period, a nursing blender is sprayed to the surfaces of the watermelon fruits, and a nursing blender is sprayed to the surfaces of the watermelon fruits; the nursing blender is prepared from the following raw materials in parts by weight: 5 to 16 parts of beewax, 2 to 7 parts of porous calcium particles, 1 to 3 parts of seaweed extract, 0.5 to 3 parts of fructo-oligosaccharide, 0.5 to 1.5 parts of glycerol, 0.8 to 1.5 parts of span-80 and 70 to 90 parts of distilled water. The problem of how to reduce the poor sweetness from the center of the watermelon to the surface layer of the watermelon can be solved, the overall sweetness of the watermelon can be improved, and the watermelon explosion rate can be reduced.

This invention discloses a composite fruit and vegetable preservation film prepared using seaweed extract and its preparation method. The method includes: 1) weighing the following raw materials by weight: 100-150 parts seaweed extract, 5-10 parts chitosan, 6-12 parts polyvinyl alcohol, 5-15 parts sodium carboxymethyl starch, 1-4 parts modified starch, 1-6 parts seaweed oligosaccharide, 1-3 parts polyacrylamide, 1-5 parts sodium humate, 2-5 parts glycerol, and 2-6 parts potassium citrate; 2) mixing chitosan with seaweed extract; 3) adding sodium carboxymethyl starch and modified starch to the obtained mixture to obtain a premix; 4) mixing the premix with seaweed oligosaccharide and polyvinyl alcohol in a pulverizer, adding sodium humate to the pulverizer, and then stirring for 20-50 minutes; and 5) adding polyacrylamide, glycerol, and potassium citrate to the obtained mixture, and homogenizing in a homogenizer to obtain the composite fruit and vegetable preservation film.

The present invention relates to a method of preventing or alleviating the effect of abiotic stress in a plant, which involves applying to the plant, including plant seeds or to a plant growth medium, an effective amount of phenylalanine and / or any salt or solvate thereof and a seaweed extract.

The invention relates to the technical field of open tile windows, in particular to an open tile window with sea moon as a raw material and a preparation method thereof, and the open tile window comprises a base material layer, a functional layer and a supporting structure; the base material layer is made of a transparent plate which is formed by mixing and hot-pressing a raw material and modified nano cellulose; the aurelia raw material is prepared by mixing a seaweed extract and pretreated aurelia shell powder; the functional layer is arranged on the surface of the base material layer and is a composite film prepared by a chemical vapor deposition process; the supporting structure is an aluminum alloy frame and is combined with the base material layer through laser welding. According to the invention, the raw material components are optimally proportioned, so that the components play a targeted role in improving the performance of the open tile window, and a foundation is laid for the overall performance. Wherein the sea moon raw material is composed of an algin extract and pretreated sea moon shell powder, and sodium alginate in the algin extract has excellent cohesiveness and light transmission.

The invention provides a peach tree artificial dormancy breaking and early forcing cultivation method, and relates to the field of agricultural cultivation. The artificial dormancy-breaking and early-promoting cultivation method for the peach trees comprises the following specific cultivation methods: step 1, selecting high-quality peach tree seedlings, maintaining a low-temperature environment of 4 DEG C or below in August, enabling the accumulated dormancy time to reach 40-50 days, and spraying 5% seaweed extract at the top ends of young sprouts to promote bud activation; 2, in the middle ten days of August, leaves are removed, water is controlled, growth is forcibly terminated, a 5% humic acid solution is sprayed after leaf picking to enhance stress resistance, a sunshade net with the shading rate of 50% is erected at the beginning of September, and the daytime temperature is reduced by 3-5 DEG C; 3, a daytime covering and night uncovering method is adopted, wherein a heat preservation quilt and a straw mat are covered in the daytime for blocking and heating. Under the condition that the climate becomes warm and the requirement for advanced cultivation of the peach trees cannot be met only through the day and night temperature difference, physical cooling is conducted on the tree disks through a physical method, resources can be reused through crushed ice, and the problem that the cost of the physical method is high is solved.

The invention belongs to the field of water-soluble fertilizers, and particularly discloses a humic acid water-soluble fertilizer and a preparation process thereof. The water-soluble fertilizer is prepared from, by mass, 3-5 parts of humic acid, 15-30 parts of molasses fermented organic matter, 1-5 parts of seaweed extract, 3-5 parts of polyaspartic acid and 0.5-5 parts of stabilizer. The macroelements are compounded by urea, urea ammonium nitrate, monoammonium phosphate and the like according to a specific proportion; the trace elements are in a total amino acid chelated state; meanwhile, a preparation process is optimized, the prepared humic acid water-soluble fertilizer has relatively good yield increase rate, fruit cracking resistance, stability and the like through three-stage temperature control feeding at 50 DEG C during preparation, and when the humic acid water-soluble fertilizer is applied to a tomato swelling period, the humic acid water-soluble fertilizer is diluted by 200-300 times with water to be applied per week, so that the problems of high fruit cracking rate, limited quality improvement, short shelf life and the like can be synergistically solved, and the yield is increased by 30-35%.

This application discloses a seaweed oligopeptide fertilizer for promoting root growth and seedling development, and its production process, belonging to the field of fertilizer technology. The fertilizer, by weight, comprises: 2-10 parts seaweed oligopeptide complex, 1-8 parts seaweed extract, 10-30 parts compound amino acids, 1-10 parts blueberry pomace, 20-50 parts oxytetracycline waste decomposition products, and 30-60 parts recycled organic matter from kitchen waste. By combining seaweed oligopeptides with chitosan to form a complex, the stability of the active ingredients is improved; simultaneously, the synergistic utilization of oxytetracycline fermentation waste, kitchen waste, and blueberry pomace achieves resource utilization. Experiments show that this fertilizer significantly promotes crop root growth and seedling development.

The invention relates to a novel amino acid foliar fertilizer and a preparation method thereof, and belongs to the technical field of agricultural fertilizers. The method aims at solving the technical problems that in the prior art, the amino acid conversion rate is low, product stability is poor, and severe conditions such as strong acid and strong alkali are possibly used. The method comprises the following steps: mixing soybean meal, fish meal and saccharomyces cerevisiae thalli to form a compound protein raw material, performing two-stage crushing and degreasing, performing step-by-step enzymolysis by adopting a compound enzyme preparation compounded by alkaline protease and flavourzyme, performing enzyme deactivation, and performing ultrafiltration by adopting a ceramic membrane to obtain purified amino acid hydrolysate, and mixing the hydrolysate with a composite trace element mixed solution formed by EDTA-Fe, EDTA-Zn, boric acid, ammonium molybdate and citric acid, adding humic acid, a seaweed extract and an organic silicon penetrant, and carrying out high-speed shearing, filtering and vacuum degassing to finally obtain the product. The method is mainly used for producing the amino acid foliar fertilizer which is high in free amino acid content, good in stability and easy to absorb by plants.

The invention relates to the technical field of foliar fertilizers, in particular to a sulfur-rich organic matter-containing foliar fertilizer additive for improving the nutritional value of fruits and vegetables. The foliar fertilizer additive containing the sulfur-rich organic matter and used for improving the nutritional value of the fruits and vegetables comprises the following raw materials in parts by weight: 20-30 parts of the sulfur-rich organic matter, 5-10 parts of tea polyphenol, 4-7 parts of a growth regulator, 10-14 parts of a slow release agent, 15-18 parts of bentonite and 4-8 parts of a seaweed extract. The sulfur-rich organic matter serves as a core component, the additive aims to provide necessary sulfur-containing amino acid for plants, and the amino acid plays an important role in various physiological processes in the plants and participates in protein and vitamin synthesis. By combining the tea polyphenol, the growth regulator, the slow-release agent and other functional components, the health state of plants can be comprehensively optimized, the content of amino acids and vitamins in fruits and vegetables is increased, and finally the purpose of increasing the nutritional value of the fruits and vegetables is achieved.

The present application belongs to the technical field of plant cultivation, and particularly relates to a biological fertilizer for relieving fruit drop of Taiwan long fruit mulberry and application. The biological fertilizer comprises animal manure, soybean meal powder, humic acid, peat soil, coconut bran, bran, fermentation liquor of a compound microbial agent, seaweed extract powder, amino acid chelated iron and borax; wherein the compound microbial agent comprises Bacillus amyloliquefaciens and Pseudomonas aeruginosa. The above biological fertilizer is balanced in nutrients, is beneficial to enhancing the resistance of the mulberry to adversity and reducing fruit drop caused by stress; in addition, the Bacillus amyloliquefaciens and the Pseudomonas aeruginosa are used synergistically, and the two jointly build a healthy rhizosphere micro-ecology, thereby guaranteeing nutrient supply for fruit development from the root source. Therefore, the technical scheme of the present application can not only significantly reduce the fruit drop rate, but also improve the single fruit weight, soluble solid content and anthocyanin content of mulberry, and improve the flavor and color of the fruit.

The invention belongs to the technical field of plant nutrient solutions, and particularly relates to a nutrient solution for areca yellows as well as a preparation method and application of the nutrient solution. The areca yellows nutrient solution is prepared from the following materials with final concentration: 15 to 40 mM of plant juice, 400 to 700 mg / L of seaweed extract, 1 to 20 mM of calcium nitrate, 0.5 to 30 mM of monopotassium phosphate, 0.01 to 1 mM of chelated iron, 3 to 100 g / L of soluble sugar, 2 to 15 mg / L of antioxidant, 1 to 30 mg / L of pH regulator and water as a solvent. The areca yellows nutrient solution provided by the invention can promote absorption of areca plants to organic matters, and can accelerate metabolism of nutrient substances in the areca plants so as to improve photosynthesis; the areca catechu yellows nutrient solution is not only suitable for large-scale planting of areca catechu, but also suitable for areca catechu plants infected by yellows, and has wide application value and market prospect.

The invention provides an algae source soil conditioner for synergistically passivating copper and cadmium as well as a preparation method and application of the algae source soil conditioner, and belongs to the technical field of soil remediation. The algae source soil conditioner comprises an algae source active component and a biochar-based carrier. By combining activity retention of the seaweed extract and functional modification of pyrolytic carbon, the content of copper ions and cadmium ions in soil can be remarkably reduced, meanwhile, the activity of soil urease, sucrase and dehydrogenase is promoted to be remarkably improved, and the synergistic effect of heavy metal passivation and soil ecological function restoration is achieved; the preparation method disclosed by the invention is simple and easy to operate, and the prepared algae source soil conditioner has a multi-stage pore structure and rich surface functional groups.