245 results about "Corn stover" patented technology

The invention relates to the technical field of polymer composite materials, and provides a composite water-retaining agent based on charcoal and bentonite as well as a preparation method and application of the composite water-retaining agent. The composite water-retaining agent provided by the invention is prepared from the following raw materials: acrylic acid, 2-acrylamido-2-methyl-1-propanesulfonic acid, acrylamide, sodium hydroxide, N, N '-methylene bisacrylamide, ammonium persulfate, modified bentonite and corn straw biochar. The composite water-retaining agent provided by the invention has excellent salt resistance, water holding capacity and structural stability, and the water absorbency in pure water and a 0.9% NaCl solution respectively reaches 2547.30 g / g and 164.45 g / g; when the soil conditioner is applied to saline-alkali soil, the maximum water holding capacity of the soil can be remarkably improved. The preparation process is simple, the cost is low, and the method has important practical significance on promoting ecological environment restoration of the arid mining area and realizing coordinated development of mineral resource development and environmental protection.

The application discloses a kind of multifunctional low-temperature degradation corn stalk composite microbial inoculant, preparation method and application, the composite microbial inoculant is compounded by multiple microorganisms with straw degradation, potassium solution and promoting function, comprising the following strains: bacillus subtilis K15, curvularia geniculata L11 and bacillus mycoides L31.The composite microbial inoculant constructed in the application realizes synergistic effect and functional complementation, through strain scientific compounding, straw decomposition rate is significantly improved, and decomposition period is obviously shortened;Enhance the adaptability and colonization competitiveness of microorganisms in winter low temperature and complex soil environment.The composite microbial inoculant of the application also has multiple functions such as straw degradation, potassium solution and IAA production, etc.At the same time of releasing nutrients by rapid decomposition of straw, it can convert difficult-to-use soil potassium into available potassium.

The invention discloses a bottom mud ecological restoration material as well as a preparation method and application thereof. The material is composed of a degradable carrier, a treatment flora and a multifunctional filler. The carrier is porous particles die-cast by corn straws and the like; the treatment flora comprises photosynthetic bacteria, bacillus and nitrifying bacteria; the filler is prepared from non-nitrate type hydrotalcite-like compounds, calcium nitrate, nitrate type hydrotalcite-like compounds and a flocculating agent according to a specific mass ratio. The preparation method comprises the following steps: carrying out pressure casting on the carrier, adsorbing the flora, and rolling the filler to form balls. The restoration method comprises the steps that a river channel is cut off in the dry season to form a closed area, materials are put according to the area ratio of 10: 1 for preliminary restoration, and after standing is conducted for 1-5 days, the materials are put along with water flow according to the area ratio of 2: 1 for deep restoration. Through the physical, chemical and biological synergistic effect, the sediment redox environment can be effectively improved, pollutant release and degradation are promoted, operation is easy and convenient, and the risk of secondary pollution is low.

The invention discloses streptomyces pseudogriseogriseus for promoting straw degradation and increasing soil organic matters, and belongs to the technical field of microorganisms. The streptomyces pseudogriseolus NF3 disclosed by the invention has the activity of CMC-Na enzyme, xylanase, laccase, lignin peroxidase and manganese peroxidase, and can be used for degrading cellulose, hemicellulose and lignin at the same time, and the degradation rate of the streptomyces pseudogriseolus NF3 on corn straws reaches 67.75%; the fertilizer is applied to straw returning soil, soil nutrient release is accelerated, the soil organic matter content is increased, and the crop yield is increased.

The invention provides an application of GH48 / GH57 / GH9 family genes carried by bacillus altitudinis H1 in improvement of corn straw rumen fermentation digestibility, and belongs to the technical field of degrading bacteria. According to the invention, a cellulose degradation strain H1 is separated and screened from a goat rumen content, and the preservation number of the strain is GDMCC No: 67152. The invention further discloses a preparation method of the cellulose degradation strain H1. An in-vitro fermentation experiment shows that the soluble carbohydrate content and the lignin content of the corn straw fermented by the H1 strain are remarkably reduced, the 48-hour gas production rate is remarkably reduced, and the propionic acid content is also remarkably reduced. The result shows that the H1 strain has stronger lignin decomposition capability and preferentially degrades hemicellulose and pectin. The H1 strain provided by the invention is proved to have a good corn straw degradation effect.

The utility model relates to the technical field of corn straw bundling, and discloses a novel corn straw bundling machine which comprises a workbench, the upper surface of the workbench is fixedly connected with a protection frame, the outer wall of the protection frame is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a threaded rod, and the output end of the threaded rod is fixedly connected with a second motor. And the outer wall of the threaded rod is rotationally connected to the interior of the protection frame, the outer wall of the threaded rod is in threaded connection with a threaded block, the outer wall of the threaded block is slidably connected to the inner wall of the protection frame, the interior of the threaded block is rotationally connected with a bundling rod, and the bottom end of the bundling rod is fixedly connected with a ratchet wheel block. According to the straw bundling device, the protection frame, the first motor, the threaded rod, the threaded block, the bundling shaft, the ratchet wheel frame, the inner gear ring and the rack are matched with one another, so that one end of straw can be rapidly switched to the other end after bundling is completed, the bundling range is expanded, and the situation that bundling belts are wasted and distributed unevenly due to the fact that the bundling position is fixed is effectively prevented; and the bundling efficiency of the straws is improved.

This invention relates to a method for dense planting of grain and medicinal herbs in intercropping, specifically within the field of intercropping of crops and medicinal herbs. The development of modern agriculture through corn / Astragalus intercropping requires reducing water and fertilizer inputs while maintaining high yields. However, it faces challenges such as unscientific management and a lack of technical support for increasing yield and reducing emissions. The method described herein is implemented according to the following steps: Step 1: Pre-planting tillage; Step 2: Drip irrigation tape installation and sowing; Step 3: Irrigation and fertilization in the first year; Step 4: First corn harvest: Harvest the corn at its optimal harvest time in the planting year, and then shred the corn stalks to cover the Astragalus in the furrows; Step 5: Planting corn in the second year; Step 6: Irrigation and fertilization in the second year; Step 7: Harvesting the corn on the ridges and the Astragalus in the furrows in the second year, and shredding and returning the corn stalks to the field after the second harvest; Step 8: Tilling the furrows.

The present application relates to the technical field of intelligent corn straw harvesting, and specifically discloses a straw chopping length detection method and system combining a neural network and image processing, the method comprising: acquiring original images with various morphological characteristics; constructing a YOLOv5 neural network model; outputting the boundary box of the straw target and the reference object; and generating a straw region of interest image; performing image processing on the straw region of interest image and extracting the straw edge; determining the pixel area occupied by the straw based on the straw edge; calculating the pixel length of the straw based on the least-enclosing-rectangle fitting; converting the pixel length of the straw into actual physical dimensions based on the reference object calibration; correcting the actual physical dimensions based on the curvature compensation model; and accurately measuring the length of the chopped corn straw based on YOLOv5 and image processing. The straw region of interest is located by YOLOv5, the target is accurately segmented by traditional image processing, and the original image is processed by the length calculation algorithm, so that the length of the straw can be accurately predicted.

The present application relates to the technical field of soil remediation, and particularly relates to a salt and alkali resisting and reducing equipment suitable for saline and alkaline soil, which comprises a mounting frame, a feeding assembly mounted on the mounting frame, a power assembly, the power assembly connected to the mounting frame, a soil separating plate connected to the power assembly and in a hollow shape, a conveying assembly for continuously conveying salt separating layer materials connected to the soil separating plate, a guide plate arranged on each side of the soil separating plate, a mounting cylinder fixedly connected to the lower part of the soil separating plate, and two outer arc plates in symmetrical distribution rotatably connected to the mounting cylinder. The two outer arc plates are pushed by two connecting rods to expand to opposite sides with the mounting cylinder as the center, and change from a combined shape to an acute angle shape, so as to push the powdery soil on the outer sides of the two outer arc plates to the two sides. At the same time, the two outer arc plates move out of the fan-shaped grooves with corresponding fan-shaped springs, so that the expanded outer arc plates and the fan-shaped springs separate a space for laying corn stalks at the lower part of the ploughing layer.

The invention relates to the technical field of microorganisms, in particular to a saline-alkaline-tolerant bacillus velezensis JT6, a cellulose degrading enzyme secreted by the same and application of the saline-alkaline-tolerant bacillus velezensis JT6. The bacillus velezensis JT6 disclosed by the invention is preserved in the China General Microbiological Culture Collection Center, the address is Institute of Microbiology, Chinese Academy of Sciences, 3 #, No.1 yard, West Beichen Road, Chaoyang District, Beijing, the preservation date is December 5, 2025, and the preservation number is CGMCC No.36918. The bacillus velezensis JT6 disclosed by the invention can be used for preparing the bacillus velezensis JT6. The strain has cellulose degradation activity, the degradation rate of corn straw is 48.8%, and the degradation rate of rice straw is 24.92%. The strain provided by the invention is used for rapid decomposition of straw returning, is safe to human and livestock, has no pollution to the environment, and has good development and application prospects.

The application provides a corn straw crushing and returning device and a use method thereof, and relates to the field of agricultural equipment. The device cuts the relatively tough corn straw wound on the blade shaft through the use of the blades outside the movable plate. When the device crushes and returns the corn straw, the two rotating rods rotate relatively in the interior of the main body. The rotating rod drives the rotating plate to rotate, and the spring drives the positioning rod to move upward, so that the positioning rod drives the blades outside the movable plate to cut the corn straw wound on the relatively-positioned rotating rod. The device cuts the relatively tough corn straw, prevents the excessive winding of the corn straw from affecting the crushing effect of the blades on the corn straw, reduces the power consumption of the motor drive, prolongs the service life of the motor, makes the blades rotate quickly to cut the corn straw, and improves the returning effect of the corn straw.

This invention relates to the field of fertilizer technology, specifically to an organic liquid fertilizer based on straw enzymatic hydrolysate and its preparation method. The method includes: pretreating corn straw with potassium hydroxide, followed by enzymatic hydrolysis with cellulase and xylanase to obtain the enzymatic supernatant; sequentially treating the supernatant with an ultrafiltration membrane with a molecular weight cutoff of 3000 Da and a nanofiltration membrane with a molecular weight cutoff of 500 Da to collect oligosaccharides with a molecular weight window of 500-3000 Da; partially stabilizing the reducing end of the oligosaccharides with sodium borohydride; pre-complexing with boric acid at pH 8.4-8.8; then sequentially adding relatively low molecular weight sodium polyglutamate, calcium chloride dihydrate aqueous solution, and ultra-high molecular weight sodium polyglutamate to construct a sequential complexation system; subsequently adding potassium nitrate and citric acid aqueous solution; and finally, after filtration at 5 μm and heat treatment at 70℃, obtaining the organic liquid fertilizer. This fertilizer has a high proportion of 500-3000 Da oligosaccharides and a low reducing sugar equivalent, inhibiting storage precipitation and browning, and improving the retention rate of extractable oligosaccharides in the soil.

This invention belongs to the field of textile engineering technology and relates to a method for improving the performance of regenerated lignocellulose fibers based on lignin degradation. Corn stalks are mixed with an ionic liquid and tyrosine, then heated to dissolve, obtaining a spinning solution. The spinning solution is then subjected to wet spinning, and the spun fibers are solidified in a coagulation bath to obtain regenerated fibers. Compared with existing technologies, this invention uses corn stalks as the spinning raw material, which is widely available and inexpensive. Furthermore, this invention can achieve complete dissolution of the stalks and effectively remove lignin, reducing the lignin content in the regenerated fibers and improving their performance.

The invention relates to corn with the efficacy of preventing or improving osteoporosis symptoms. The mass ratio of campesterol to stigmasterol to beta-sitosterol in the corn is 1: (0.5-5): (1-5). The planted corn can significantly improve osteoporosis, and has the advantages of high yield of planted corn and corn straw, good taste, convenience in use, high bioavailability, safety, effectiveness, high comprehensive utilization rate of resources, greenness, environmental protection and the like.

This invention belongs to the field of feed preparation technology, specifically disclosing a feed composition suitable for Aohan donkeys and its application in fattening. The feed composition comprises the following raw materials in parts by weight: 25-35 parts of compound fermented product, 0.5-2 parts of camellia extract, 30-40 parts of corn stalks, and 5-10 parts of cottonseed meal. This invention discloses a feed composition suitable for Aohan donkeys and its application in fattening. This feed composition can increase the body weight and average daily weight gain of Aohan donkeys, reduce intestinal permeability indicators, improve intestinal barrier function, promote the growth and development of Aohan donkeys, and improve the meat quality of Aohan donkeys.

The utility model provides a silage rubbing machine which comprises a rack, a rubbing chamber is arranged on the rack, a cutting mechanism and a rubbing mechanism are arranged in the rubbing chamber, the feeding end of the rubbing chamber is connected with a feeding channel, a rotatable bending roller is arranged in the feeding channel, and a cutting mechanism is arranged at the feeding end of the rubbing chamber. A bending channel of an arc-shaped structure is arranged at the upper end of the bending roller, a flattening mechanism used for flattening corn straw is arranged on one side of the bending channel, a feeding mechanism used for feeding the corn straw to the chopping mechanism is arranged on the other side of the bending channel, and a conveying mechanism used for conveying the corn straw to the flattening mechanism is arranged on one side of the flattening mechanism. Before the corn straw is cut and rubbed, the corn straw can be flattened and bent, so that the operation quality and the rubbing efficiency of the rubbing machine can be improved, and the energy consumption of the rubbing machine can be reduced.

The application discloses an inert filler composition, a composite carrier material and application thereof, and belongs to the technical field of pre-sowing treatment of rapeseed. The inert filler composition comprises corn stalks, bamboo green stalks, diatomite and bentonite, and the mass ratio of the corn stalks, the bamboo green stalks, the diatomite and the bentonite is (5-15):(5-15):(10-12):(2-3). The application further discloses a composite carrier material which comprises the inert filler composition and a binder. In addition, the application further discloses application of the composite carrier material in treatment of plant seeds. The inert filler composition is used for treating rapeseed, so that the drought and waterlogging stress resistance of the rapeseed is improved.

The invention relates to the technical field of cellulose composite materials, in particular to a preparation method of a temperature-adjustable transparent plate based on corn straw. The preparation method comprises the following steps: (1) purifying corn straws to prepare corn straw cellulose hydrogel; (2) permeation treatment: dipping the corn straw cellulose hydrogel obtained in the step (1) in colored epoxy resin, and carrying out vacuumizing-releasing repeated operation; and (3) curing and molding: flatly laying the product in the step (2), and curing at room temperature. According to the preparation method, the purification effect on the cellulose in the corn straw is excellent, and the prepared green building board has remarkable temperature adjusting and light transmitting performance and has high application value in the field of building design and product design.

The invention discloses a device and a method for strengthening the denitrification efficiency of Fammox based on an extracellular electron transfer regulation and control strategy. The device comprises a CSTR (continuous stirred tank reactor) main body, a water inlet and outlet system, a stirring and constant temperature device, an aeration and anaerobic maintenance device and an EET (ethylene terephthalate) enhanced feeding device, the temperature, the stirring speed and the inlet water iron ion concentration in the Fammox reactor are accurately regulated and controlled, and the L-cysteine and the corn straw biochar are added, so that the electron transfer efficiency and the iron matrix utilization rate in the reaction are effectively improved, and the nitrogen removal efficiency and the Fe (III) utilization and reduction rate are remarkably improved. The L-cysteine and the corn straw biochar adopted by the invention have relatively good economical efficiency and environmental protection property, the denitrification efficiency of Fammox can be remarkably improved, and the utilization and reduction capability of ferric iron (Fe (III)) is effectively enhanced.

The utility model discloses a labor-saving corn straw crushing device, and relates to the technical field of straw crushing equipment. A labor-saving corn straw smashing device comprises a shell. The feeding hole is formed in the shell and is used for feeding; the discharge hole is formed in the shell and is used for discharging; the feeding mechanism is installed on the shell, located on the side edge of the feeding port and used for feeding; the crushing assembly is located in the shell, adjacent to the feeding mechanism and used for crushing straw; and the conveying belt is located in the shell, is in butt joint with the crushing assembly and the discharging opening and is used for conveying out the crushed materials. The utility model can reduce the labor burden, improve the crushing efficiency and effectively prevent blockage.

The utility model belongs to the field of straw smashing equipment, and particularly relates to a corn straw smashing machine for oyster mushroom planting, which comprises a rack, a driving motor, a smashing mechanism, a discharging mechanism and a spraying mechanism, the smashing mechanism and the discharging mechanism are communicated and arranged on the rack, the discharging mechanism comprises a discharging bin and a conveying belt, the discharging bin is obliquely arranged, and the conveying belt is arranged on the rack. The conveying belt is arranged in the discharging bin, the driving motor is arranged at the bottom of the rack, the driving motor is in transmission connection with the crushing mechanism, the driving motor is in transmission connection with the conveying belt, the spraying mechanism comprises an atomizing nozzle, a sealing cover, a water pump and a water tank, a through hole is formed in the top wall of the discharging bin, the sealing cover is installed on the through hole, and the water pump is installed on the water tank. The atomizing nozzle is installed in the sealing cover, the water pump and the water tank are located at the bottom of the machine frame, and the atomizing nozzle is communicated with the water tank through the water pump. According to the corn straw smashing device, auxiliary materials can be added while corn straw is smashed, and the processing speed of the corn straw is increased.

The invention provides an alkali-reducing, salt-inhibiting and high-yield planting method for newly-reclaimed severe saline-alkali soil, and belongs to the technical field of plant planting. The method comprises the following steps: laying corn straws at the bottoms of furrows or mixing the corn straws with lower-layer soil at the bottoms of the furrows by adopting a ridge planting and furrow application mode; then applying a modifier in the furrows in a layered manner, and covering with surface soil when reaching the earth surface; ditching and planting alkali-reducing and salt-inhibiting plants at the top of the ridge to which the chemical modifier is applied; the alkali-reducing and salt-inhibiting plant is sesbania and / or oat; the chemical modifier comprises the following raw materials: ardealite and an organic fertilizer; the mass ratio of the ardealite to the organic fertilizer is (10-20): (10-20). According to the method, current-year safe planting and efficient growth of the sesbania and the oats in the newly-reclaimed severe saline-alkali soil can be achieved, and the problem that planting and growth inhibition are affected by saline-alkali stress and water stress in the planting process of the sesbania and the oats in the saline-alkali soil is effectively solved.

The invention belongs to the technical field of organic fertilizers, and particularly relates to a straw-based biochar composite slow-release fertilizer for saline-alkali soil improvement and a preparation method of the straw-based biochar composite slow-release fertilizer. The preparation method comprises the following steps: (1) uniformly mixing sheep manure and pigeon manure, mixing the mixed manure with crushed corn straw to obtain a total material, inoculating bacillus subtilis, and composting and fermenting to obtain a primary organic matter; (2) fermenting the primary organic matter by using aspergillus niger, trichoderma reesei and saccharomyces cerevisiae to obtain a submerged fermentation organic matter; (3) crushing the submerged fermentation organic matter to prepare particles; the composite coating powder is scattered into the submerged fermentation organic matter, coating is conducted, and the coated organic matter is obtained; and (4) uniformly mixing the coated fermented organic matter, biochar, desulfurized gypsum, humus soil, a water-retaining agent and ammonium dihydrogen phosphate to obtain the straw-based biochar composite slow-release fertilizer for saline-alkali soil improvement. The organic fertilizer can improve the pH value of saline-alkali soil, reduce the salt content and increase the organic matter content.

The present application relates to a kind of preparation lyocell fiber with corn stalk as raw material method, comprising:1) organic solvent pretreatment: corn stalk particles are placed in the mixed solvent of ethanol and water and are handled to obtain pretreated particles;2) alkali oxygen synergistic treatment: pretreated particles are added to the mixed solution containing sodium hydroxide and hydrogen peroxide to obtain alkali oxygen treated material;3) high temperature hot water treatment to obtain corn stalk cellulose;4) washing and drying to obtain corn stalk cellulose pulp;5) pulp swelling to obtain swollen material;6) vacuum heating dissolution: reduced pressure distillation concentration, to obtain spinning dope;7) spinning coagulation and post-processing.The quality of corn stalk cellulose pulp obtained by the method is good, the prepared lyocell fiber has excellent mechanical properties, and has the advantages of high softness, good dyeing degree, high hygroscopicity, etc.;The process is green and environmentally friendly, and meets the requirements of clean production;Realize the high-value conversion of agricultural waste corn stalk, and have good economic and social benefits.

The invention belongs to the field of heavy metal contaminated soil remediation and the field of fermented organic fertilizer. The invention provides a fermented organic fertilizer for repairing heavy metal contaminated soil and improving the quality of white kidney beans, which is prepared by fermenting cow dung, chicken manure, corn straw and exocarpium benincasae as fermentation substrates and bacillus amyloliquefaciens SZ-60 as zymophyte. The invention further provides a planting method for repairing heavy metal contaminated soil and improving the quality of white kidney beans based on the fermented organic fertilizer, and the planting method comprises the steps that seeds are soaked before sowing; carrying out soil preparation on the soil and applying a compound microbial agent; 3-5 days after the compound microbial agent is applied, a soil conditioner is applied to the soil; and then applying a fermented organic fertilizer as a base fertilizer, then sowing, and carrying out topdressing in a pod bearing period. According to the method, the content of the alpha-amylase inhibitor in the white kidney beans can be remarkably increased; the yield per mu of the white kidney beans can reach 446 kg / mu at most, and the white kidney beans have good resistance to heavy metal cadmium.

The invention discloses a preparation process of a composition based on corn straw, corn stigma and grain juice, which comprises the following steps: solid state fermentation, liquid state fermentation, low temperature distillation, blending and filling to obtain the grain juice composition, the formaldehyde content of the grain juice composition is lower than 0.5 mg / L, and the grain juice composition is rich in corn peptide. According to the composition based on the corn straw, the corn stigma and the grain juice and the preparation process of the composition, the corn straw and the corn stigma are subjected to optimized solid-state and liquid-state fermentation respectively, and a specific low-temperature distillation technology is combined, so that efficient and mild extraction and conversion of nutritional ingredients and active substances in the raw materials are realized; according to the process, the content of bad byproducts such as formaldehyde in a final product is remarkably reduced, and meanwhile, rich natural active ingredients derived from raw materials are reserved to the greatest extent.

The invention relates to a corn straw whole-package layering material uniformizing device which is composed of a bearing frame, a whole-package feeding area, a layering stripping mechanism and a conveying mechanism. During working, the driving motor is firstly started, power is transmitted to the two transmission shafts after being decelerated by the speed reducer, and the two transmission shafts respectively drive the material stirring rods to start to oppositely and alternately rotate. Corn straw bags after net dismounting are put into a whole bag feeding area through a loading machine, the straw bags are limited through a material blocking fence, it is ensured that a certain effective contact distance is kept between the bottoms of the straw bags and a material stirring rod in a layered stripping mechanism, the rotating material stirring rod tears and strips the straw bags layer by layer from the bottoms of the straw bags through an arc-shaped material stirring end, and then the straw bags are separated from the whole bag feeding area. The adjacent material stirring rods are arranged in a staggered mode, opposite extrusion force is formed, straw bags are evenly stressed, and collapse and caking of the whole bag of straw are avoided. And the corn straws which are stripped and scattered layer by layer uniformly fall into the conveying mechanism below the layered stripping mechanism under the action of gravity, and the conveying mechanism outwards conveys the uniformly distributed corn straws into subsequent processing equipment, so that the material uniformizing operation is completed.

The application belongs to the technical field of microbial fermentation, and particularly relates to a fermentation product of fruit and vegetable wastes and corn stalks and application thereof. The fermentation product is obtained by inoculating Aspergillus oryzae SLY-M-15 fermentation product and Saccharomyces cerevisiae into a first mixture containing crushed and air-dried corn stalks and fruit and vegetable wastes, performing aerobic fermentation, adding a second mixture containing crushed and air-dried corn stalks and fruit and vegetable wastes and corn cob, performing secondary aerobic fermentation, inoculating Lactobacillus casei, Lactobacillus acidophilus and Lactobacillus fermentum, and performing anaerobic fermentation. The obtained fermentation product is applied to animal feed, can improve the average daily weight gain of mutton sheep, reduce the feed conversion ratio, improve the tenderness and cooked meat rate of mutton, and increase the content of n-3 polyunsaturated fatty acids.

The present application relates to the technical field of fertilizer, in particular to a kind of microbial compound inoculant, method and application for promoting the fast maturation of organic fertilizer;The method of the present application comprises inoculating microbial compound inoculant formed by Brevundimonas AFB I, Alcaligenes faecalis AFB II and achromobacter AFB III to compost containing cow dung and corn straw, and carrying out fermentation under natural conditions, the effective bacteria number ratio of Brevundimonas AFB I, Alcaligenes faecalis AFB II and achromobacter AFB III in microbial compound inoculant is 1:1:1, and cow dung and straw are mixed according to dry weight 3:1;The microbial compound inoculant developed by the present application can significantly improve the degradation efficiency of organic waste, accelerate the composting process, shorten the composting period, and improve the stability and fertility of compost products, providing new technical support for the resource utilization of agricultural waste.

The application discloses a corn straw modified titanium dioxide photocatalyst, a preparation method and application thereof. The preparation method comprises the following steps: (1) crushing corn straw, calcining the crushed corn straw, and obtaining calcined corn straw; (2) mixing the calcined corn straw, ethanol and water to obtain a mixed solution A; mixing tetrabutyl titanate, glacial acetic acid and ethanol to obtain a mixed solution B; adding the mixed solution A into the mixed solution B to react, and then standing to obtain a gel; wherein the mass ratio of the corn straw to the tetrabutyl titanate is 0.05-0.15:100; wherein the mass of the tetrabutyl titanate is calculated based on the mass of completely formed titanium dioxide; (3) drying the gel to obtain a dry gel; and calcining the dry gel to obtain the corn straw modified titanium dioxide photocatalyst. The modified titanium dioxide photocatalyst can be used for degrading organic dye sewage, and can effectively degrade methyl violet in particular.