1359 results about "Organic manure" patented technology

The invention discloses a bio-organic fertilizer for repairing heavy metal cadmium in soil and a preparation method of the bio-organic fertilizer, and belongs to the technical field of organic fertilizers. The organic fertilizer is prepared from the following raw materials in parts by weight: 7-12 parts of a compound microbial agent, 30-40 parts of modified charcoal, 3-8 parts of sodium alginate, 6-8 parts of a chelating agent and 60-80 parts of decomposed edible fungus residues. The compound microbial agent is prepared from potassium-solubilizing paenibacillus mucilaginosus MSSW02, pseudomonas plecoglossicida and bacillus aryabhattai; the chelating agent is composed of calcium humate and nano-hydroxyapatite according to the mass ratio of 100: (3-5). The multi-component synergistic effect is achieved, the content of heavy metal in soil is effectively reduced, especially the content of heavy metal Cd, meanwhile, rich organic matter is contained, the physical and chemical properties of the soil can be remarkably improved, the water and fertilizer retention capacity of the soil is improved, and crop growth is promoted; the remediation effect on medium-light cadmium polluted farmland soil is good, and the growth promoting effect on crops is remarkable.

The invention relates to the technical field of production parameter control, and particularly discloses an organic fertilizer production parameter optimization control method for a compound microbial agent, which comprises the following steps of: calculating a temperature fluctuation index and a pH stability index according to temperature data and a pH value in a fermentation stage so as to quantitatively evaluate the stability of a fermentation environment; evaluating the external interference degree by using the normalized comprehensive influence factor, intelligently analyzing the microbial ecological disorder condition through clustering analysis and a decision tree algorithm in combination with microbial concentration data, and calculating a microbial ecological disorder fluctuation coefficient; based on an evaluation result, dynamically calculating an adjustment factor, accurately adjusting the temperature and the pH value in the fermentation condition, and ensuring that the microbial flora is in an optimal active state; finally, whether the fermentation parameters reach the standard or not is determined by re-evaluating the adjusted flora state, so that the quality and the production efficiency of the organic fertilizer are ensured.

The invention relates to the technical field of organic fertilizers, and discloses an agricultural waste two-stage fermentation bio-organic fertilizer and a preparation method thereof.The bio-organic fertilizer comprises 70%-80% of a mixture of livestock and poultry manure and straw subjected to anaerobic fermentation and aerobic fermentation two-stage treatment, 5%-10% of auxiliary organic matter, 3%-5% of a soil improvement material, 2%-4% of a functional additive and 1%-3% of a microbial preparation. The preparation method comprises the following steps: mixing the livestock and poultry manure and the straw according to a carbon-nitrogen ratio of 30: 1, and performing pretreatment; carrying out anaerobic fermentation for 7 days, and collecting biogas; performing solid-liquid separation to obtain a solid material and biogas slurry; concentrating the biogas slurry to prepare a leaf fertilizer; adding a microbial preparation into the solid material, and carrying out aerobic fermentation for 10-15 days; after fermentation is completed, drying, functional component adding, granulating, screening and packaging are conducted, a finished product is obtained, collaborative integration of anaerobic-aerobic fermentation and full-quantitative utilization of agricultural waste are achieved, and the method has the remarkable advantages of being short in fermentation period, small in nutrient loss, high in functionality and the like.

The invention belongs to the field of biological organic fertilizers, and discloses a special organic selenium-rich fertilizer for grapes as well as a preparation method and application thereof. The fertilizer is prepared from the following raw materials in percentage by mass: 0.05-0.2% of a selenium complex, 2-15% of a stabilizer, 15-25% of a microbial fermentation product, 0.5-2.0% of a natural plant extract and the balance of auxiliary materials, totaling 100%. The microbial fermentation product is microbial fermentation liquid obtained by fermenting bacillus tequilensis and cyanobacteria; the auxiliary material is obtained by mixing sodium alginate and maltodextrin; the natural plant extract is obtained by mixing azadirachtin, sophocarpidine, tea tree essential oil and cnidium lactone. Through the synergistic effect of the microbial fermentation product, the natural plant extract and the auxiliary materials, the industrial problem that in the prior art, a selenium fertilizer can only improve the selenium content of grapes, but cannot effectively improve the disease resistance and insect pest resistance of the grapes and slow down selenium element loss is solved, and the double improvement of the grape quality and the selenium content is achieved.

The invention relates to the technical field of organic fertilizer preparation and waste recycling, in particular to a food industrial park wastewater recycling and sludge resourceful treatment method which comprises the following steps: step 1, dynamically partitioning wastewater and cooperatively separating grease, monitoring the conductivity and turbidity of wastewater at water outlets of all workshops in real time, and dynamically dividing wastewater load grades according to monitored values; step 2, coupling biological treatment and carbon source circulation, inputting the effluent in the step 1 into an anaerobic reactor according to a real-time COD load ratio, adding a sludge glycolysis solution as a carbon source supplement, and dynamically adjusting the adding amount based on the ratio of volatile fatty acid to alkalinity; step 3, catalytic oxidation-membrane coupling advanced treatment: carrying out catalytic ozonation on aerobic effluent through sludge-based activated carbon, and adjusting the filling amount of a catalyst in a stepped manner along with characteristic parameters of organic matters in the effluent; 4, directional glycolysis of the sludge and closed-loop utilization of products. Through monitoring and dynamic adjustment, the problems of high energy consumption, low treatment efficiency, resource waste and the like in a traditional wastewater treatment method are effectively solved.

The invention discloses a smashing device for fermentation pretreatment of organic fertilizer and a using method of the smashing device, and belongs to the technical field of fertilizer processing.The organic fertilizer is smashed in the rotating process of a spiral extrusion sheet, the spiral extrusion sheet can extrude the smashed fertilizer due to the fact that the thread pitch on the spiral extrusion sheet is gradually reduced from right to left, and the smashing efficiency is improved. When the knocking block is separated from the knocking block, the knocking block is supported through the elastic force of a spring, so that the knocking block can quickly extend out and knock the charging barrel, and residues in the water filtering holes can be shaken out in the vibration process of the charging barrel; the water filtering holes are prevented from being blocked in the fertilizer extruding and conveying process of the spiral extruding sheet, so that the wet organic fertilizer can be minced, water in the organic fertilizer is squeezed out for independent collection, the situation that the fertilizer adheres to a cutter and the crushing effect is affected due to adhesion of the fertilizer is prevented, and the subsequent fermentation effect of the organic fertilizer is improved.

The invention discloses a special growth-promoting microbial fertilizer for saline-alkali soil and a preparation method of the special growth-promoting microbial fertilizer, and belongs to the technical field of growth-promoting microbial fertilizer.The special growth-promoting microbial fertilizer for saline-alkali soil is obtained by mixing organic manure, ammonium humate, fungicide particles, crop straw, slow-release phosphate fertilizer particles, hydroxyapatite, chitosan and citric acid in proportion; according to the granular microbial inoculum carrier, the biochar particles and the iron-carbon composite microspheres serve as matrixes, the raw materials such as the fly ash form a foaming porous adhesive substance under the action of alkali excitation, the matrixes such as the biochar particles are bonded, a stable porous structure can be formed easily, a proper environment is provided for growth of phosphate solubilizing bacteria, and the phosphate solubilizing and growth promoting effects of the phosphate solubilizing bacteria are improved. The microbial agent particles have good water absorption and can adsorb sodium ions in soil after being watered, and calcium and magnesium components contained in the fly ash-based adhesive substance can be exchanged with the sodium ions to play a fixing role, so that the salt stress effect on crops is reduced.

The invention relates to a special organic compound fertilizer for alfalfa as well as a preparation method and application thereof, and relates to the technical field of organic fertilizers, the special organic compound fertilizer for alfalfa comprises the following components in parts by weight: 50-60 parts of a basic organic fertilizer, 20-30 parts of a sodium humate-seaweed compound, 15-20 parts of modified phosphorus-potassium ore powder, 0.5-1 part of a phosphate-solubilizing bacterium agent and 0.5-1 part of an alfalfa rhizobium agent. On the basis of the existing basic organic fertilizer, the sodium humate-seaweed compound and the modified phosphorus-potassium ore powder loaded with the appropriate fungicide are mainly added, so that the yield of the alfalfa is remarkably increased, and the special organic compound fertilizer can be used as the special organic compound fertilizer for the alfalfa and is wide in application.

The invention provides fertilizing equipment, and relates to the technical field of agricultural mechanical equipment. The fertilizing equipment comprises a frame, a tank body, a ventilation box, a pressure pump device and a fertilizer discharging device, and wheels are arranged at the bottom of the frame; the tank body is arranged on the frame and is provided with an air inlet port; the air exchange box is provided with an air inlet and an air outlet, and the air outlet of the air exchange box is communicated with the air inlet port of the tank body; the pressure pump device is communicated with an air inlet of the ventilation box through an air pipeline, and the pressure pump device is used for changing the pressure in the tank body, so that the liquid organic fertilizer flows into or out of the tank body; the fertilizer discharging device comprises a rack component, a fertilizer stable distributor, a plurality of furrow openers and a pressing roller component. The flow of fertilizer output by the first fertilizing holes and the second fertilizing holes can be changed by changing the angle between the layering plate and the horizontal plane; and single or multiple liquid organic fertilizers are efficiently and uniformly distributed to each fertilizer outlet hole, so that layered returning of the fertilizers to the field is realized, and nutrients in the liquid fertilizers are orderly distributed in each layer of soil.

The invention discloses a growth regulator for promoting colonization of plant rhizosphere microorganisms and application of the growth regulator to crops, a preparation method of the growth regulator comprises the following steps: S1, dropwise adding an aqueous solution of modified chitosan and a compound bacteria solution into a saturated boric acid solution of 1-2% calcium chloride, crosslinking and curing for 3-4 hours, washing with sterile water for 3-5 times, and drying to obtain the growth regulator for promoting colonization of the plant rhizosphere microorganisms; immobilized microorganisms are obtained; s2, sequentially adding nanocellulose crystals, sodium polyaspartate and organic fertilizer into the enteromorpha extracting solution, uniformly stirring and mixing, adding immobilized microorganisms, uniformly mixing, granulating, coating with modified chitosan, and drying to obtain the growth regulator. Through step-by-step design of microorganism immobilization, nutrition compounding and chitosan coating, function integration of microorganism protection, nutrition release and environmental response is achieved, the colonization efficiency of rhizosphere microorganisms is remarkably improved, the soil microenvironment is improved, and finally comprehensive improvement of plant growth and stress resistance is achieved; and the method has relatively high social use value and application prospect.

The utility model provides an organic fertilizer screening machine, which belongs to the technical field of screening machines and comprises a machine body and a fixing frame arranged on the machine body, a mounting frame is fixedly connected to the outer wall of one side of the machine body, and a motor is mounted on the mounting frame. In the working process of the screening assembly, the adjusting frames which move oppositely are arranged between the adjacent adjusting frames, so that the precision of the screen cloth between the adjusting frames is repeatedly adjusted, the screen cloth continuously stretches and rebounds to generate slight vibration, accumulation of materials on the screen cloth is reduced, blocking of screen holes is reduced, and the screening efficiency is improved. Meanwhile, a rotating shaft drives beating blades on the outer side to rotate when the screening assembly works, so that the beating blades abut against the outer wall of a screen to conduct sliding extrusion, the screen sinks towards the inner side, the screen rebounds after the beating blades are disengaged from contact, vibration is generated in the process, fertilizer blocked in screen holes is vibrated and dredged, and the fertilizer blocking effect is improved. And the condition that the screen is blocked is reduced, so that the smoothness of screen holes is kept, and the screening effect is guaranteed.

The invention belongs to the field of preparation of organic fertilizers, and particularly relates to a moisturizing and drought-resisting bio-organic fertilizer and a preparation method thereof. The preparation method comprises the following steps: carrying out a cross-linking reaction on a boiled and crushed starch matrix, carboxymethyl cellulose and epoxy chloropropane to form a compound solution, and mixing the compound solution with mixed animal bone meal capable of enhancing the stress resistance of plants, so that the obtained nutritional base material can quickly provide nutrients for the plants for a long time; kelp and seaweed are mixed and ground into thick liquid, under the combined action of calcium chloride and tannic acid, a three-dimensional net-shaped structure is formed, the plant component containing the fungicide is put into the colloid component, and the obtained moisture-preserving and drought-resisting component can keep soil moisture for a long time; the long-acting stability-maintaining suspension can form a protective layer on the surface of soil, the moisturizing and drought-resisting component and the organic fertilizer mixture are mixed, and the prepared moisturizing and drought-resisting bio-organic fertilizer can efficiently and rapidly provide nutrients for crops, has the moisturizing and drought-resisting capacity and can play the moisturizing and drought-resisting roles in a long term.

The invention discloses a green three-dimensional planting system for promoting agricultural economic development in an arid region. The green three-dimensional planting system comprises a climate adaptation module; the weather prediction module is responsible for providing weather change prediction; the crop selection and crop rotation module is responsible for selecting suitable drought-enduring crops and implementing scientific crop rotation; the three-dimensional planting structure module is responsible for designing a reasonable three-dimensional planting framework according to the selected drought-enduring crops; the soil improvement module is responsible for adding an organic fertilizer and a modifier and improving the soil moisture retention capability; according to the invention, through weather prediction information provided by the climate adaptation module, the system can predictively adjust an irrigation strategy, and insufficient or excessive irrigation caused by sudden weather change is avoided. The intelligent irrigation module is combined with a neural network algorithm, the irrigation amount and time are accurately calculated and automatically adjusted according to the real-time meteorological data, the drought-enduring crop characteristics, the three-dimensional planting architecture and the soil improvement condition, accurate control over irrigation is achieved, and the utilization efficiency of water resources is remarkably improved.

The utility model relates to the technical field of fertilizer fermentation, and discloses a fermentation device for organic fertilizer production, which comprises a box body, an arc-shaped plate I is fixedly connected to one side in the box body, and a turning mechanism is rotatably arranged on the outer side of the arc-shaped plate I; the material overturning mechanism is used for driving fertilizer in the box body to overturn, a material conveying mechanism is mounted on the box body, and the material conveying mechanism is used for receiving materials of the material overturning mechanism and conveying the materials to the lower side of the box body. According to the fermentation device for organic fertilizer production, the material turning mechanism drives fertilizer to turn over along the inner wall of the box body, the fertilizer penetrates through the arc-shaped plate to fall into the material guiding mechanism, then the fertilizer is conveyed to the bottom in the box body through the material guiding mechanism, and the fertilizer makes contact with hot air conveyed by the air inlet pipe when falling in the guiding mechanism; effective turning circulation of the fertilizer is realized, turning is uniform, and the working efficiency is improved.

The invention provides a biological organic fertilizer for heavy metal contaminated soil remediation and a preparation method thereof, and belongs to the technical field of fertilizers, the biological organic fertilizer comprises the following raw materials by weight: 15-20 parts of chicken manure, 24-29 parts of pig manure, 3-9 parts of wormcast, 11-15 parts of soybean meal, 20-25 parts of modified charcoal, 16-21 parts of an extraction residue fermentation product, and 4-12 parts of a microbial agent. The prepared biological organic fertilizer for heavy metal contaminated soil remediation can improve the pH value of soil, can continuously and effectively improve the physical and chemical properties of the soil, improves the biological activity of the soil, can effectively reduce the content level of heavy metal elements in the soil, achieves all-around adjustment of the soil environment, and promotes soybean income increase.

The invention discloses a high-activity organic water-soluble fertilizer and a preparation method thereof, and relates to the technical field of agricultural fertilizer preparation, the high-activity organic water-soluble fertilizer comprises a liquid organic fertilizer, an organic crop raw material, a liquid zymophyte liquid, trace elements, a preservative, a solubilizer, a foam inhibitor and a stabilizer, the fertilizer comprises the following components in percentage by weight: 10%-19% of glycerol, 10%-25% of polyglutamic acid, 0.3%-0.8% of amino acid, 3%-4.5% of citric acid, 10%-15% of urea, 8%-12% of ammonium polyphosphate, 7%-14% of potassium sulfate, 0.3%-0.8% of sodium copper chlorophyllin, 0.3%-0.4% of ammonium molybdate and 40%-50% of water, wherein the water is deionized water; the organic fertilizer provided by the invention can effectively promote crop growth, has stress resistance and collapse resistance, and is mainly specially added with polyglutamic acid which can be used in a compound fertilizer, a water flush fertilizer, a water-soluble fertilizer and a liquid fertilizer, so that the utilization rate of the fertilizer is increased, the fruit quality is improved, the root development is promoted, the root development of crops can be promoted, and the yield of crops is increased. The nutrient absorption capability of the root system is improved.

The invention relates to the technical field of ecological restoration, in particular to an ecological restoration composite material and a preparation method thereof. Comprising a base material: 30-70 parts of a natural polymer material or a degradable synthetic polymer material; reinforced fibers: 5-40 parts of natural fibers or degradable synthetic fibers; a functional additive: 10-40 parts of at least one of a water-retaining agent, an organic fertilizer, a microbial carrier and a soil conditioner; a plant growth promoter: 1-15 parts of humic acid, a seaweed extract, a trace element fertilizer or an antagonistic antibacterial agent; a binder: 0 to 15 parts of a degradable polymer binder; and 5-15 parts by weight of water. According to the invention, the biodegradability of the material is ensured, the mechanical strength is improved and the overall performance of the composite material is enhanced by optimizing the combination of base materials, pretreating the reinforced fibers, achieving the synergistic effect of the multifunctional additive and efficiently loading the plant growth promoter; the ecological restoration composite material provides long-term support for plant growth.

The invention discloses a humic acid type biological organic fertilizer and a preparation method thereof, and belongs to the technical field of agricultural biologication.The fertilizer is prepared from weathered coal humic acid raw powder, seaweed processing residues and insect manure as main raw materials. The soil conditioner is prepared by adding a compound microbial agent, a mineral synergist, an enzyme preparation, a coating material, a soil structure regulator, a signal molecule inducer, a trace rare earth element additive, a stabilizer and the like in a specific ratio and adopting a two-step fermentation process. The fertilizer disclosed by the invention has remarkable functions of soil improvement, nutrient slow release, microbial community regulation and control, crop stress resistance enhancement and the like, remarkably improves the yield and quality of crops, reduces the use of chemical fertilizers, promotes agricultural sustainable development, and has remarkable economic and ecological benefits.

The present invention relates to the technical field of agricultural fertilizers, and discloses a biofertilizer synthesized from Chinese herbal medicines, a preparation method and an application thereof, wherein the biofertilizer is prepared by combining herbal extracts such as astragalus, dandelion, forsythia, gallnut, and liquorice with Chinese herbal medicine residues such as honeysuckle residue, tobacco residue, malt residue, yeast residue, sophora flavescens residue, coptis chinensis residue, and stemonae residue, and is combined with organic fertilizers and nitrogen, phosphorus, and potassium fertilizers, and is fermented by composite microorganisms. The obtained biofertilizer is not only comprehensive in nutrients and easy to absorb, but also rich in natural antibacterial, anthelmintic substances and active microorganisms, which helps to promote crop growth and enhance disease and insect resistance. At the same time, long-term use can improve soil structure, enhance soil fertility and microecological balance, and reduce the use of chemical fertilizers and pesticides, thereby achieving the effects of increased production and efficiency, green environmental protection, and sustainable development.

The invention discloses a method for regenerating and preparing soil for ecological restoration by utilizing microbial restoration pollution muck, which comprises the following steps: stirring and mixing dry straw powder and bimetallic alkali liquor, drying, heating to 500 DEG C or above under a protective atmosphere, and pyrolyzing to obtain a modified biochar material; mixing the modified biochar material with a microbial liquid, oscillating and adsorbing, and freeze-drying to obtain the carbon-based biological composite material. The carbon-based biological composite material and shield muck are mixed to obtain improved shield muck; mixing the improved shield muck with an organic fertilizer to obtain soil for ecological restoration; toxic and harmful components in the shield muck are removed through biodegradation, the shield muck is subjected to structure improvement through the modified biochar, then the composite fertilizer with specific components is matched, resource utilization of the shield muck is achieved, and the shield muck-based ecological restoration soil is obtained.

The utility model discloses an efficient organic fertilizer fermentation tank, which belongs to the technical field of fermentation tanks and comprises a fermentation tank body, the top end of the fermentation tank body is fixedly provided with a feed hopper, and one end of the feed hopper penetrates through and extends into the fermentation tank body. A stirring mechanism for mixing in the fermentation tank body is arranged outside the fermentation tank body, an aeration mechanism for guaranteeing oxygen supply during organic fertilizer fermentation is arranged in the stirring mechanism, and an anti-reflux mechanism for preventing pipe holes from being blocked is arranged in the aeration mechanism. According to the organic fertilizer fermentation device, the stirring mechanism and the aeration mechanism are arranged, so that organic fertilizer in the fermentation tank can be stirred, oxygen can be supplied, the fermentation rate of the organic fertilizer is ensured, the fermentation time of the organic fertilizer is shortened, and the output of the organic fertilizer is improved through reasonable aeration treatment; organic fertilizer impurities and gas are prevented from entering the aeration pipe.

The invention discloses an environment-friendly bio-organic fertilizer for improving acidified soil and a preparation method of the environment-friendly bio-organic fertilizer, and belongs to the technical field of organic fertilizers. The bio-organic fertilizer is prepared from the following raw materials in parts by weight: 10-20 parts of a composite gel material, 80-100 parts of decomposed livestock and poultry manure, 10-20 parts of a microbial agent, 30-50 parts of modified waste tea biochar, 10-15 parts of urea, 5-10 parts of humic acid, 1-5 parts of calcium superphosphate and 1-5 parts of sodium carboxymethyl cellulose, the microbial agent is prepared by mixing bacillus pseudofirmus, pseudomonas oryzae and azotobacter beijerinckii according to the volume ratio of 1: 1: 1. The bio-organic fertilizer can remarkably improve the pH of soil and increase the content of organic matters in the soil, has good buffering capacity and long-term effect, enhances the water and fertilizer retention capacity of the soil, and has a remarkable effect of increasing both production and income of crops.

The invention provides a plant disease and insect pest inhibition type organic fertilizer based on nanomaterial loading and a preparation method thereof, and belongs to the technical field of fertilizers, the plant disease and insect pest inhibition type organic fertilizer comprises: a nanocellulose whisker carrier derived from agricultural wastes; the plant-derived insect-inhibiting component is loaded on the surface of the carrier through an ester bond and a hydrogen bond; the sodium alginate-lignin porous gel network is used for wrapping the carrier; through double bonding of an agricultural waste nano-cellulose carrier and tea saponin-allicin and in combination with a sodium alginate-lignin gradient gel network, the residual rate of active ingredients in 60 days is larger than 40%, the rhizosphere targeted enrichment concentration reaches 3.28 times of that of a non-rhizosphere region, the problems that a traditional organic fertilizer is short in lasting period and poor in targeting property, and a synthetic carrier is polluted are solved, and the application prospect is wide. While the pest control efficiency and the crop yield are improved, environment friendliness and cost effectiveness are both considered, and a solution with innovativeness and practicability is provided for organic agriculture.

The utility model relates to the field of organic fertilizer production, in particular to an organic fertilizer spraying granulation device. The existing fertilizer granulation device has the problems that a sieve plate is easy to block and the discharging is not uniform, the granulation effect is influenced, and the granulation efficiency is reduced. The utility model discloses an organic fertilizer spraying granulation device which comprises a bottom frame, a granulation barrel, a breather pipe and the like, the bottom frame is fixedly connected with a granulation barrel, the upper part of the granulation barrel is fixedly connected with a ventilation pipe, the ventilation pipe is communicated with the granulation barrel, the bottom frame is fixedly connected with a motor, and one side, far away from the motor, of the granulation barrel is provided with a discharge port. The pressing rod rotates to drive the two cams to rotate, the cams rotate to intermittently push the push rod to move, the push rod reciprocates to drive the sieve plate to reciprocate, the sieve plate reciprocates to enable falling powder to form a material curtain, and the powder is shaken off into the granulation barrel, so that the uniformity of the powder entering the granulation barrel is improved, and the contact area of the powder and slurry is increased; therefore, the granulation quality is improved.

The invention discloses a method for promoting degradation and humification of sludge compost organic matters, and belongs to the technical field of sludge treatment. The method comprises the following steps: mixing sludge and straws to obtain a compost raw material, adjusting the carbon nitrogen ratio by utilizing the straws and improving the bulkiness of the compost raw material, adding phosphate and steel slag into the compost raw material, and uniformly mixing to obtain compost; and fermenting the compost until the compost is thoroughly decomposed to obtain the organic fertilizer. The phosphate and the steel slag are selected as a combined additive, the phosphate is used for reducing compost nitrogen loss and improving compost nutrients, meanwhile, the steel slag is further used for regulating and controlling pH and NH4 < + > conversion in the composting process, degradation and humification of compost organic matter are synergistically promoted, and the quality of a final compost product is improved. The cost is low, the operation method is simple, the effects of improving the composting efficiency and quality and degrading and converting organic matters are obvious, the decomposition degree of a compost product is improved, and the humic acid and humification degree in the compost after fermentation are increased.

The invention discloses a tobacco leaf surface spraying composition and application thereof, and belongs to the technical field of organic fertilizers. The tobacco leaf surface spraying composition is prepared from the following components in percentage by weight: 0.50 percent to 1.00 percent of lycopene, 0.06 percent to 0.10 percent of phosphoenolpyruvic acid and the balance of water. According to the method, the lycopene and the phosphoenolpyruvic acid with specific contents are sprayed on the leaf surfaces of the tobacco leaves, so that the content of key volatile metabolites closely related to the sensory quality of the flue-cured tobacco in the fresh and sweet flavor type flue-cured tobacco can be increased, the sensory quality of the fresh and sweet flavor type flue-cured tobacco is improved, and the fresh and sweet flavor type of the flue-cured tobacco is enhanced.

The invention provides a method for preparing a biological organic fertilizer through plant straw fermentation, and belongs to the technical field of organic fertilizers. The method comprises the steps of plant straw pretreatment, fermentation solid preparation, bacteriostatic active ingredient preparation, functional additive preparation and fermentation. The fermentation comprises the following steps: stacking pretreated plant straws, fermentation solids and a functional additive for fermentation, carrying out first turning when the temperature in a pile reaches 52-56 DEG C, turning once every 18-21 hours, stopping turning after turning twice, standing until the temperature in the pile is reduced to 30-34 DEG C, adding fulvic acid, diammonium phosphate, ammonium chloride, calcium superphosphate and magnesium sulfate, uniformly mixing, and fermenting again, turning the pile once every 15-17h, and after turning the pile twice in total, finishing fermentation, and granulating and drying to obtain the biological organic fertilizer. The biological organic fertilizer prepared by the method disclosed by the invention is low in harmful pathogen content, short in fermentation period, stable in effect and excellent in application effect.

The invention relates to a rural cultivation wastewater fermentation system, and belongs to the field of wastewater treatment equipment, the rural cultivation wastewater fermentation system comprises solid-liquid separation equipment and a fermentation tank, a compost fermentation chamber is arranged above the fermentation tank, and the compost fermentation chamber is provided with a feed port and a discharge port; a liquid outlet of the solid-liquid separation equipment is communicated with the fermentation tank, and a solid outlet of the solid-liquid separation equipment is communicated with the feeding hole; a heating mechanism is arranged in the fermentation tank, a heat exchange pipe is arranged in the compost fermentation chamber, an inlet of the heat exchange pipe is connected with a liquid outlet of the solid-liquid separation equipment through a flow control valve, and an outlet of the heat exchange pipe is connected with the fermentation tank; and the temperature sensor and the flow control valve are connected with the controller. According to the invention, after solid-liquid separation is carried out on rural cultivation wastewater, the wastewater is introduced into the fermentation tank for anaerobic fermentation, so that biogas can be generated; solid excrement, straw residues and the like enter the composting fermentation chamber and are subjected to composting fermentation, so that organic fertilizer can be obtained, and simultaneous fermentation of wastewater and solid wastes is realized.

The invention relates to the technical field of saline-alkali soil improvement, in particular to an organic fertilizer for saline-alkali soil improvement as well as a preparation method and an application method thereof, and the organic fertilizer comprises the following components in parts by weight: 10-30 parts of humic acid, 10-20 parts of attapulgite, 30-40 parts of animal waste, 5-10 parts of a pH regulator, 3-5 parts of a microbial agent and 3-5 parts of a high-molecular polymer. The organic fertilizer is prepared from the humic acid, the attapulgite, the animal waste, the pH regulator, the microbial agent and the high-molecular polymer according to a specific ratio, all the raw materials can achieve a mutual synergistic effect while exerting own effects, and the saline-alkali soil improvement effect is improved; tests show that after the organic fertilizer is used, the soil pH of the saline-alkali soil is decreased by 11.1%-19.6%, the EC value of the soil is decreased by 64.4%-74.7%, and stable improvement of the saline-alkali soil can be achieved.