946 results about "Poultry manure" patented technology

The invention provides an agricultural source solid waste pollution reduction and carbon reduction synergistic effect calculation method and system. According to the agricultural solid waste pollution reduction and carbon reduction synergistic effect calculation method, a livestock and poultry manure and straw mixture serves as a treatment object, an environmental parameter set of microbial metabolism intensity is obtained, and then a microbial agent feeding acceleration rate and a flora activity attenuation curve are dynamically matched. In the aerobic fermentation stage, through linkage of pile turning operation and a microbial inoculum adding strategy, activity balance of surface and deep flora is maintained, and a microbial inoculum adding time window is corrected in combination with historical data. And establishing a quantitative model with a carbon-nitrogen ratio imbalance threshold value as a constraint, iteratively optimizing a nonlinear association relationship between the inoculant feeding acceleration rate and the pile turning operation frequency, and outputting a full-period synergistic effect evaluation result. According to the technical scheme, the pollution reduction and carbon reduction synergistic effect of agricultural source solid waste treatment is improved, and the dual purposes of resource utilization and environmental protection are achieved.

The invention discloses a livestock and poultry manure fermentation monitoring method based on digital twinning, and relates to the technical field of livestock and poultry manure treatment. By constructing a high-precision digital twinborn model, fermentation field sensing data are synchronized in real time, the fermentation state is simulated, and the development trend is predicted; setting an intelligent control strategy fusing data relevance and control priority, and dynamically identifying and avoiding rule conflicts; on this basis, control actions such as pile turning, spraying and ventilation are automatically executed, feedback data are recorded, and twin model parameters are continuously optimized based on feedback results; according to the method, intelligent regulation and control and model self-adaptive updating of the fermentation process are realized, and the stability, the energy utilization efficiency and the prediction accuracy of the system are remarkably improved.

The invention relates to the technical field of odor emission reduction, in particular to an odor emission reduction control system and method for livestock and poultry manure compositing. According to the system and the method, concentration changes of ammonia gas, hydrogen sulfide and volatile organic compounds and temperature and humidity data in a composting environment are accurately obtained through real-time performance and multi-parameter association of gas monitoring in the composting process; the method comprises the following steps of: calculating a diffusion path, a speed and a coverage area of gas in a compost body through finite element analysis, quantifying the distribution characteristics of gas concentration in space, optimizing the wind speed, the wind quantity and the layout of a ventilation system, and improving the ventilation efficiency. Pattern recognition is performed on compost environment gas emission data through the convolutional neural network, the turning frequency and the compost microenvironment are dynamically adjusted in combination with the gas concentration, a gas emission high-value area and a main guide source are accurately positioned, accurate control over compost fermentation odor emission is achieved, and the systematicness and refinement level of compost odor treatment is improved.

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 discloses a method for preparing an organic fertilizer from livestock and poultry manure, which comprises the following steps: mixing cow dung and plant ash, pig manure and edible mushroom waste, chicken manure and vegetable waste, and duck manure and corn bran or mushroom stick residue, inoculating a corresponding mixed inoculant, fermenting and decomposing by using a trough type aerobic fermentation process, crushing, and screening to obtain the organic fertilizer. The cow dung bio-organic fertilizer, the pig manure bio-organic fertilizer, the chicken manure bio-organic fertilizer and the duck manure bio-organic fertilizer are obtained. According to the invention, rapid decomposition in 28 days in winter and 18 days in summer can be realized, meanwhile, the decomposition degree is remarkably improved, the killing rate of harmful germs reaches 98.93%, the humus content is greater than or equal to 58%, and the product is rich in microbial beneficial bacteria, rich in organic matters, mild in fertilizer efficiency and free of root burning.

The invention relates to the technical field of agricultural wastes and microorganisms, in particular to a complex microbial inoculant for high-temperature composting and rapid decomposition of livestock and poultry manure and straw cellulose and a preparation method of the complex microbial inoculant. The compound microorganism bacterial liquid comprises streptomyces thermocarbonic oxide, bacillus stearothermophilus, bacillus subtilis, bacillus licheniformis, phanerochaete chrysosporium, trichoderma viride and aspergillus niger, and the bacterial liquid carrier is obtained by compounding modified charcoal and modified sepiolite through amidation reaction. According to the complex microbial inoculant provided by the invention, through the synergistic effect of the seven functional complementary microbial strains and the special three-dimensional reticulate carrier, rapid decomposition of high-temperature compost of livestock and poultry manure and straw cellulose is realized.

The utility model relates to the technical field of livestock and poultry manure fermentation, in particular to a fermentation device for quickly decomposing livestock and poultry manure, which comprises a fermentation tank mounted on a bottom plate, and a pressure relief mechanism for automatically adjusting the pressure in the fermentation tank is arranged on the fermentation tank. A fermentation mechanism for mixing livestock and poultry manure to promote fermentation is arranged in the fermentation tank. The telescopic spring is impacted by high-pressure gas to extend, so that the rubber pad is pushed to slide to the position below the pressure relief hole formed in the pressure relief pipe, the pressure is discharged through the pressure relief hole, and the phenomenon that the tank body is broken due to the fact that the pressure in the fermentation tank is too high is avoided; according to the gas purification device, harmful substances, dissolved in water, in gas are purified, peculiar smell can be removed to a certain degree, the peculiar smell in the gas is adsorbed and removed again in cooperation with the activated carbon plate, and therefore the situation that the peculiar smell of the fermentation gas is dispersed in a fermentation place and pollutes the environment is avoided.

The invention discloses an iron-modified cow dung biochar material as well as a preparation method and application thereof, and belongs to the technical field of new material and resource recycling. The preparation method comprises the following steps: dipping a cow dung solid waste biomass raw material in a K2FeO4 solution, heating in a water bath, drying to obtain a K2FeO4 composite biomass material, and carbonizing at high temperature in a tubular furnace to obtain the K2FeO4 modified cow dung biochar material (FCBC). The K2FeO4 modified cow dung biochar material (FCBC) provided by the invention has better Cd < 2 + > elimination treatment capacity than unmodified cow dung biochar (CBC), and also has an incomparable Cd < 2 + > adsorption effect compared with traditional modified or unmodified plant-derived biochar. According to the method, the practical scene of the livestock and poultry manure waste is widened, the aims of harmlessness, reduction and recycling of the manure are achieved, and more optimal schemes can be provided for prevention and treatment of water and soil pollution.

The invention discloses a feed for improving earthworm breeding yield and a preparation method thereof, and belongs to the technical field of earthworm breeding, the feed comprises the following components: 30-50 parts of fermented livestock and poultry manure, 20-30 parts of crop straw, 10-20 parts of soybean curb residue, 10-15 parts of corn flour, 5-10 parts of wheat bran, 3-5 parts of bone meal, 2-4 parts of shell powder, 0.5-1 part of a microbial agent, 1-2 parts of brown sugar, and a proper amount of water. The fermented livestock and poultry manure is rich in various mineral elements and organic nutrients such as nitrogen, phosphorus and potassium, and is an important source of nutrients required by earthworm growth; the crop straws are rich in cellulose and can promote intestinal peristalsis of the earthworms and help digestion; the soybean curb residues, the corn flour and the wheat bran are rich in nutritional ingredients such as protein and carbohydrate, and sufficient energy is provided for the earthworms; the bone meal and the shell powder contain a large amount of mineral substances such as calcium and phosphorus, so that the development of bones and bodies of the earthworms is facilitated; the microbial agent can regulate microbial flora in the feed and promote the absorption and utilization of the earthworms to nutrient substances.

The invention discloses a carbon-based organic fertilizer for controlling soil ammonia volatilization and improving soil fertility and a preparation method and application thereof. Livestock and poultry manure, fungus residues, wheat straw, fulvic acid and modified biochar are used as fermentation raw materials; the mass ratio of the livestock manure to the fungus residues to the wheat straw is (5-10): (5-10): 100, and stacking in an aerobic composting reactor for 25-40 days; the mixture of the livestock and poultry manure, the fungus residues and the wheat straw is an initial stacking material; the mass ratio of the fulvic acid to the modified charcoal to the initial compost is (4-8): (15-30): (200-300). The method provided by the invention is simple and easy to operate, and can be widely applied to agricultural production of saline-alkali soil.

The invention relates to the technical field of livestock and poultry manure fermentation, in particular to a livestock and poultry manure fermentation device and method. The stirring mechanism is used for stirring the materials; the spraying mechanism is used for spraying an additive into the material; the stirring mechanism comprises a stirring shaft rotationally mounted on the fermentation tank; the power source drives the stirring shaft to rotate; the rotating plate and the spiral blade are fixedly arranged on the stirring shaft in a sleeving manner; the scraping plate is fixedly arranged at the end part of the stirring shaft; the stirring plate is fixedly mounted on the scraping plate; and the crushing assembly is used for crushing the materials. According to the invention, through the arrangement of the stirring mechanism, materials can be crushed, and the crushed materials can be transversely stirred and longitudinally stirred, so that the materials in the fermentation tank can be comprehensively turned and stirred, the overall temperature of the materials in the fermentation tank is uniform, and the fermentation effect is improved; and rapid discharging of the materials can be achieved.

The invention relates to the technical field of edible mushroom cultivation, in particular to a culture medium for cultivating stropharia rugoso-annulata and a preparation method and application thereof. The culture medium for cultivating the stropharia rugoso-annulata is prepared from the following components: rape straw, soybean meal, rice chaff, pepper straw, rice straw, loofah sponge, livestock and poultry manure, corncob, sawdust, calcium lignosulphonate and gypsum powder. The time from sowing to fruiting is 40-55 days by adopting the stropharia rugoso-annulata culture medium provided by the invention, and the fruiting time is obviously shortened compared with that of a contrast. By adopting the culture medium for cultivating the stropharia rugoso-annulata, the average yield of the stropharia rugoso-annulata reaches 8.15-8.64 kg / m < 2 >, and compared with a contrast, the average yield of the stropharia rugoso-annulata is remarkably improved. Therefore, the oilseed rape straw, the soybean meal, the rice chaff, the pepper straw, the rice straw, the loofah sponge and the calcium lignosulphonate are compounded, the fruiting time of the stropharia rugoso-annulata is shortened, and the yield of the stropharia rugoso-annulata is increased.

The invention discloses a method for fertilizing dry land white slurry soil by coupling liquid fermentation cow dung and straw to return to field. The Baijiang soil fertilizing method provided by the invention comprises the following steps of: throwing crop straws and stubbles into the field in a full amount, then sowing liquid fermented cow dung, and turning over and burying soil; the liquid fermented cow dung dirt is a product obtained by anaerobic fermentation of cow dung, urine and colony house flushing sewage. According to the method, the liquid fermented cow dung and the straws are fully crushed and returned to the field to jointly fertilize the Baijiang soil, so that the cultivated land quality of the Baijiang soil can be remarkably improved, the straw decomposition and nutrient release rate can be accelerated, planting and breeding circulation and livestock and poultry manure resource utilization can be promoted, and the method has important significance on guaranteeing the national food safety.

The invention relates to the technical field of organic waste composting, in particular to a livestock and poultry manure composting nitrogen conservation method and application thereof.The livestock and poultry manure composting nitrogen conservation method comprises the following steps that the temperature, humidity and ventilation environment of composting materials are accurately controlled, nitrogen loss in the composting process is monitored in real time, nitrogen conversion and storage are optimized through an algorithm, and the composting efficiency is improved; calculating variation amplitudes of different stages, adjusting a compost body environment in real time, monitoring and evaluating nitrogen loss through a support vector machine model to ensure that the nitrogen loss does not exceed a set standard, and dynamically adjusting temperature, humidity and a ventilation system of compost. Addition of bacillus and adjustment of oxygen concentration and humidity jointly act on optimization of microbial activity, the nitrogen conversion condition is improved, through combined application of a convolutional neural network and a long-short-term memory network, the influence of the activity of microbial populations on nitrogen conversion is analyzed, a microbial area with high activity is selected, and the nitrogen conversion efficiency is improved. The storage and conversion efficiency of nitrogen is improved, the fertilizer efficiency of compost is ensured, and the pollution to the environment is reduced.

The invention discloses a method for converting livestock and poultry manure into an organic fertilizer through microbial fermentation, and belongs to the technical field of livestock and poultry manure conversion. The method comprises the steps that firstly, the livestock and poultry manure is subjected to physical sorting, lime or monopotassium phosphate is added according to the pH value detection result, and the pH value is adjusted to 6.5-7.5; after determining nutrient components of the feces, adding soluble salt trace elements such as zinc sulfate and mixed carbohydrates of cane sugar and glucose; traditional strains of bacillus, lactic acid bacteria, saccharomycetes and actinomycetes are mixed with novel strains separated from the periphery of a livestock and poultry farm, optimized culture is conducted through a two-step culture method, and plant extracts such as lily extracts or livestock and poultry intestinal metabolites such as short-chain fatty acid are added in the culture process. The fermentation process adopts a rotatable fermentation tank body, and comprises three stages of fermentation of rapid heating, high-temperature stabilization and cooling decomposition. And finally, low-temperature vacuum drying, crushing, granulation and addition of a coating material are performed to prepare the organic fertilizer, so that efficient resource utilization of the livestock and poultry manure is realized.

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 provides a livestock and poultry manure treatment Internet of Things platform and a livestock and poultry manure treatment method. The platform comprises a data sensing layer, a data transmission layer and a data processing layer, the data sensing layer is used for collecting data information of a source end, a transportation end and a processing end of livestock and poultry manure; the data transmission layer is used for transmitting the data information of the source end, the transportation end and the processing end to the data processing layer; the data processing layer is used for generating a collection order, a transportation order and a receiving order based on the data information of the source end, the transportation end and the processing end, and acquiring collection vehicle scheduling resource data, transportation vehicle scheduling resource data and processing end scheduling resource data; and inputting the collection order, the transportation order, the receiving order, the collection vehicle scheduling resource data, the transportation vehicle scheduling resource data and the processing end scheduling resource data into a scheduling model for matching to obtain a collection scheduling result, a transportation scheduling result and a processing scheduling result.

The invention discloses an ecological planting method for remarkably improving the amino acid content of citrus, which comprises the following steps: (1) mixing and fermenting pruned citrus branches, weed straws, livestock and poultry manure and indigenous probiotic ferment powder to prepare a basic microbial fertilizer, and adding a calcium magnesium phosphate fertilizer and monopotassium phosphate to prepare a special microbial fertilizer for citrus, applying as a base fertilizer in winter; (2) after citrus pruning, in key phenological periods such as a flower bud period, a young fruit period and a fruit swelling period, an indigenous probiotic enzyme diluent with a specific dilution ratio is used for systematic foliage spraying on a tree body. The indigenous probiotic enzyme contains bacillus amyloliquefaciens, saccharomycetes, active enzymes and a plurality of nutrient elements. The method can significantly increase the total amino acid content of citrus fruits, greatly increase the yield, improve the taste of the fruits, enhance the tree body resistance, reduce the use of chemical pesticides, improve soil, and realize quality improvement, yield increase and green sustainable development of citrus planting.

The invention discloses a livestock and poultry manure rotten fungus rapid fertilization device which comprises a shell, a fermentation tank is arranged in the shell, the outer side of the fermentation tank is fixedly connected with a feeding pipe, one end of the feeding pipe is fixedly connected with a separation cylinder, a separation assembly used for separating livestock and poultry manure solid and liquid is arranged in the separation cylinder, and the separation assembly comprises a cylinder body; the side face of the barrel is fixedly connected with a rotary drum, a liquid collecting cavity is formed in the outer side of the rotary drum, a heating assembly used for heating livestock and poultry manure is arranged in the fermentation tank and comprises a rotating shaft, the bottom of the fermentation tank is fixedly connected with a discharging pipe, and a tail gas treatment box is arranged in the shell. The solid-liquid separation efficiency in the livestock and poultry manure is improved through the separation assembly, the problem that liquid flows unsmoothly due to blockage of filter holes is avoided, the heating efficiency of the livestock and poultry manure is improved through the heating assembly, meanwhile, the contact time of tail gas and adsorption liquid is prolonged through the tail gas treatment assembly, and pollution of the whole fertilizing device to the environment is reduced.

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 discloses a large model-based livestock and poultry manure treatment technology question-answering system and a use method thereof, and relates to the technical field of environmental protection and governance. In the system, firstly, a trained word segmentation model is used for performing word segmentation processing on a retrieval question input by a user; then retrieval is conducted in a text database and a vector database according to a word segmentation result, the retrieved text blocks are aggregated and deduplicated to obtain a plurality of retrieval text blocks highly related to a retrieval problem, and then large-model cue words are generated in combination with a cue word template; and finally, outputting a reply result according to the trained livestock and poultry manure treatment technology intelligent question and answer model. According to the method, the defects existing in a traditional general field large language model are overcome, the large language model can fully and accurately understand the retrieval problem of a user, a scientific and detailed reply result can be given, intelligent question answering of livestock and poultry excrement treatment knowledge is achieved, and the method has important significance in promoting development of an environment protection and treatment technology.

The invention discloses a method for ecologically treating livestock and poultry manure by using hermetia illucens and earthworms, which comprises the following steps: mixing the livestock and poultry manure with auxiliary materials and organic wastes, stacking, adding a microbial agent, and quickly reaching a semi-rotten state by using a groove type aerobic fermentation process; then black soldier fly larvae and earthworm larvae are inoculated to further thoroughly decompose the livestock and poultry manure, and meanwhile black soldier fly and earthworm breeding is achieved. According to the method, rapid decomposition can be achieved 28 days in winter and 18 days in summer, ecological treatment of the livestock and poultry manure can be achieved, ecological breeding of hermetia illucens and earthworms can be achieved, and the utilization value of the livestock and poultry manure is greatly improved.

The present invention discloses a livestock and poultry manure biochar-based fertilizer, comprising the following raw materials in parts by weight: 10-42% of dilute protein solution and collagenase-modified livestock and poultry manure biochar, 20-40% of urea, 7-25% of diammonium phosphate, 7-24% of potassium chloride or potassium sulfate, 0.5-1% of modified starch, and 6-23% of bentonite. The livestock and poultry manure is selected from one of chicken manure, cow manure, and pig manure. After the biochar is modified with collagenase, the surface of the biochar has more phenolic hydroxyl groups, carboxyl groups, aldehyde groups, and hydroxyl functional groups, which are effective for NH4 + , PO4 3‑ , K + , has a stronger adsorption effect, collagenase modification makes the protein distribution more uniform, and the generated groups form a stable chemical bond with the biochar surface: it improves the dispersibility of the modified biochar in aqueous solution and reduces agglomeration; it has better chemical stability in acidic and alkaline environments.

The invention relates to the technical field of organic fertilizers, in particular to a long-acting slow-release charcoal-based microbial compound fertilizer and a preparation method thereof. The long-acting slow-release biochar-based microbial organic fertilizer is prepared from the following raw materials in parts by mass: 10 to 20 parts of corn grit, 5 to 10 parts of coated biochar, 1 to 3 parts of monopotassium phosphate, 30 to 40 parts of livestock and poultry manure, 0.001 to 0.01 part of lanthanum ammonium nitrate, 30 to 40 parts of inorganic fertilizer, 0.2 to 0.3 part of microbial agent and 1.5 to 2 parts of epsilon-polylysine, the coated biochar is prepared by the following steps: adding biochar and dopamine hydrochloride into water, mixing, stirring at 30-40 DEG C for 20-30 minutes, adding tris (hydroxymethyl) aminomethane, stirring for 20-30 hours, centrifuging, washing, drying, crushing, feeding into a tubular furnace, keeping the temperature at 300-500 DEG C for 20-40 minutes under the protection of nitrogen, and cooling to room temperature.

According to the livestock and poultry manure stacking fermentation device, a stacking box body is stacked, a heat preservation box body is arranged outside the stacking box body, the material stacking amount is increased, meanwhile, the occupied area is small, stacking of different layers can be conducted according to the types of different fermentation materials, for example, pig manure is low in organic matter content, many in crude fiber, short in fermentation period and small in layer number; the chicken manure is high in organic matter content, long in fermentation period and large in layer number; sludge is complex in organic matter component, high in organic matter content, long in fermentation period and large in layer number. Materials are subjected to multi-layer fermentation stirring in the heat preservation box body, heat preservation treatment is carried out through the heat preservation box body, the fermentation effect is improved, meanwhile, air inlet holes are formed in the lower portion, exhaust holes are formed in the upper portion, and under the influence of heat generated by fermentation, air at the lower portion rises and is exhausted through the exhaust holes, so that external air enters through the air inlet holes at the lower portion; air flow is formed, air is supplemented into the heat preservation box body, and enough oxygen is provided for fermentation.

The invention discloses a compound microbial organic fertilizer and a preparation method thereof, and belongs to the technical field of compound microbial organic fertilizers. The compound microbial organic fertilizer is prepared from the following raw materials in parts by weight: 8-12 parts of a microbial agent, 30-35 parts of livestock and poultry manure, 20-25 parts of crop straws, 10-15 parts of humic acid, 10-12 parts of bagasse carbon, 3-5 parts of rumen bypass fat powder, 3-5 parts of molasses and 1-3 parts of chitosan oligosaccharide. According to the compound microbial organic fertilizer, the nitrogen-fixing pseudomonas, the streptomyces elongisporus and the paenibacillus polymyxa are selected to be compounded, and the three strains comprehensively promote root development, nutrient absorption and stress resistance of strawberry plants through the synergistic effect of nitrogen fixation, nutrient activation, hormone secretion and disease inhibition. The compound microbial organic fertilizer can effectively promote growth of strawberry plants, improve the quality of strawberries, increase the yield, reduce chemical fertilizer and pesticide residues, reduce the risk of soil pollution and meet the requirements of consumers for safe and organic strawberries.

The invention provides a vegetable seedling and seedling strengthening microbial composition, a substrate and a preparation method, and belongs to the technical field of microbial agents. The invention provides a microbial composition for vegetable seedling culture, the microbial composition comprises a bacterial liquid of various bacteria, the types of the bacteria comprise bacillus subtilis, bacillus amyloliquefaciens, paenibacillus polymyxa and azospirillum brazilianum, and the bacteria have a synergistic effect, so that the seed germination time can be remarkably shortened, and the root length and the lateral root number can be increased. According to the invention, the microbial composition is used as a basis, the microbial composition, mushroom wastes, straws, fresh livestock and poultry manure and the like are subjected to closed fermentation to prepare the matrix for vegetable seedling culture, seeds can be directly planted in the matrix for vegetable seedling culture, the seed germination time can be further shortened, and meanwhile, statistics is carried out within the same time after germination, and the result shows that the seed germination time is greatly shortened. Seedlings cultivated by using the matrix for vegetable seedling cultivation are more robust, and particularly, stem bases are thicker, leaves have larger surface areas, and the color is darker green.

The invention provides a saline-alkali soil multi-source carbon sequestration synergistic wheat yield-increasing and quality-improving fertilization method, and belongs to the technical field of crop cultivation. The fertilizing method comprises the following steps: applying a base fertilizer to wheat, wherein the base fertilizer comprises decomposed livestock and poultry manure and biochar; the base fertilizer contains 4-6t / hm < 2 > of organic carbon, and the organic carbon input ratio of the decomposed livestock and poultry manure to the biochar is (1-3): (1-3). The soil carbon sequestration capacity is improved through the synergistic effect of the multi-source carbon sequestration materials, the wheat yield and the grain zinc content are remarkably improved by combining precise nutrient regulation and control, meanwhile, the content of organic matter in saline-alkali soil is improved, and the method is suitable for wheat cultivation in saline-alkali soil with the pH being 8-9 and the salt content being smaller than or equal to 0.3%.

The invention belongs to the technical field of microorganisms, and particularly discloses a fluoroquinolone antibiotic efficient degrading bacterium and application thereof. The fluoroquinolone antibiotic degrading bacterium is Kocuria sp. X03, the preservation number of the Kocuria sp. X03 is CCTCC NO: M 2025522, the invention provides the fluoroquinolone antibiotic degrading bacterium Kocuria sp. X03 separated from soil, the Kocuria sp. X03 can efficiently degrade fluoroquinolone antibiotics, an antibiotic degrading strain library is enriched, biotransformation mechanism research and bioremediation application are promoted, and the application prospect is wide. The strain can be used for degrading and eliminating livestock and poultry manure and residual antibiotics in farmland soil, and has certain research and application values.

The invention discloses an anaerobic fermentation tank for livestock and poultry breeding mixed liquid dung, and belongs to the technical field of livestock and poultry waste treatment and utilization. The device is structurally provided with a steel tank body, a water inlet, an exhaust port, a water outlet, a heat exchange pipe, a slag discharge port and a pressure gauge. The water inlet, the exhaust port, the drainage port and the pressure indicator are arranged at the upper end of the tank body; the deslagging port and the heat exchange pipe are arranged at the lower end of the tank body; the interior of the tank body is divided into a plurality of independent cabins by isolation baffles, and the adjacent cabins are sequentially connected in series through cabin flow guiding openings and cabin slag discharging openings. Each cabin is divided into a plurality of small chambers by flow guide plates, and the adjacent small chambers are sequentially connected in series through small chamber exhaust holes and small chamber slag discharge holes. The heat exchange pipe is arranged at the bottom upper part of the tank body and annularly penetrates through the cabins; and the slag discharge port is arranged at the bottom of the serial tail cabin. According to the invention, the energy-consumption-free repeated settling separation of suspended matters in the liquid dung is fully realized, the solid / liquid separation efficiency of the liquid dung is improved, the methane content in unit liquid dung is high, the concentration of suspended matters in biogas slurry is low, the biogas residue is less, the problems of surface crusting, pipeline blockage and the like are avoided during long-term operation of equipment, and the operation and maintenance cost is low.