48 results about "Organic fertiliser" patented technology

The invention relates to the technical field of organic fertilizers and planting of watermelons and muskmelons, and provides a special fertilizer for milk irrigated watermelons and muskmelons and a double-stubble planting method for sweetness enhancement of milk irrigated watermelons and muskmelons. The special fertilizer for the milk irrigated watermelons and muskmelons comprises black goat manure, sophora alopecuroide, sesame seed meal, bran, organic fresh milk, brown sugar and zymophyte. The black goat manure is pulverized into powder by a pulverizer, the sophora alopecuroide is pulverizedinto 1 cm to 2 cm, and the ratio of the black goat manure, the sophora alopecuroide, the sesame seed meal, the brans, the organic fresh milk, the brown sugar and the zymophyte is 2700-3200: 80: 50: 150: 5: 1. The double-stubble planting method for sweetness enhancement of the milk irrigated watermelons and muskmelons comprises the following steps: selection of a nursery seedling plate and soil, cleaning and germination accelerating of seeds, soil preparation, transplanting, irrigation, topdressing, shaping and forking of watermelon and muskmelon vines and fruit bearing of the watermelons and the muskmelons. The problems that in an existing watermelon and muskmelon planting process, soil nutrients are damaged due to the fact that chemical fertilizers are used for a long time, and the sweetness of melons is reduced are solved.

The application relates to the technical field of agricultural machinery, in particular to a land leveler for fine and deep application of organic fertilizer, which comprises a device whole, a push leveler for land leveling is arranged on the device whole, a ditching shovel and a fertilizer pipe are arranged below the device whole, an arc bending block is arranged on one side of the fertilizer pipe close to the ditching shovel, a baffle is fixedly arranged in the fertilizer pipe, a hydraulic rod is fixedly arranged in the fertilizer pipe, a fixed sliding block is fixedly connected to the power output end of the hydraulic rod, a limiting pipe is rotatably connected to one side of the fixed sliding block, a torsional spring is arranged between the limiting pipe and the fixed sliding block, and a sliding rod is slidably connected to the limiting pipe. In the process of use, the arc-shaped scraper can scrape off the organic fertilizer adhered to the arc bending block in the fertilizer pipe, so that the fertilizer pipe is prevented from being blocked by the accumulated organic fertilizer.

The present invention relates to a method for reducing emissions from manure, the method comprising adding 5.0-11.5 g of iron salt per 1 kg manure and adding 1.7-3.5 g of hydrogen peroxide (H2O2) per 1 kg manure. The invention also relates to a method for improving plant growth. Furthermore, the invention relates to a manure additive for reducing emissions from manure and improving plant growth comprising H2O2 and biochar. Furthermore, the invention relates to an organic fertilizer comprising manure and the manure additive.

The utility model discloses a unmanned plane carries powder spraying device relates to unmanned plane carries powder spraying equipment technical field, and includes: unmanned plane body, the lower fixedly connected with support frame of unmanned plane body, the inside bottom fixedly connected with storage box of support frame, the inside fixedly connected with filter screen of storage box, and filter screen is inclined setting. The utility model discloses through the feed pipe and join the organic fertilizer in storage box, and the organic fertilizer is screened through filter screen, when there is the organic fertilizer of caking and will along the inclination of filter screen and roll to one side, and open motor no. 1 when screening, and motor no. 1 drives the rotation of rotating roller, so that two beat piece beat the bottom of filter screen, improve the screening efficiency of filter screen, can also avoid the partial caking of smaller organic fertilizer and block up the filter port of filter screen, and this structure design guarantees that the organic fertilizer that sprays does not have caking, improves the spraying efficiency of equipment.

This invention discloses a bio-organic fertilizer suitable for improving alkaline soil, its preparation method, and its application in citrus orchards, belonging to the field of agricultural soil improvement technology. The organic fertilizer is made from 40.00%-50.00% citrus peel residue, 20.00%-30.00% a mixture of sawdust and straw powder, 15.00%-20.00% a mixture of rapeseed meal and soybean meal, 20.00%-30.00% a mixture of livestock and poultry manure, and 0.25%-0.50% ferrous sulfate. Its preparation includes raw material pretreatment, citrus biogas slurry preparation, mixed fermentation, and finished product preparation. During soil improvement, the dosage is determined according to the soil pH value, and it is applied twice using trenching or hole application methods. This invention realizes the resource utilization of agricultural waste, can efficiently improve alkaline soil, solve the problem of iron deficiency and chlorosis in citrus, and is environmentally friendly and easy to operate, suitable for soil improvement in various types of citrus orchards, especially mountainous citrus orchards.

The application belongs to the technical field of green plant protection cultivation, and discloses a standardized planting and management method for pollution-free green agricultural products, which realizes multi-index screening of soil heavy metals, pesticide residues, microorganisms and water, soil and air, establishes a soil plant protection database, and applies passivation materials, compound beneficial microorganism groups and decomposed organic fertilizers to the soil according to pollution, continuous cropping and short soil fertility, and improves the stress resistance of seedlings by matching seed pretreatment; the disease and pest risk grades of plots are divided by weighting and quantifying five types of planting data, and a risk map is drawn, high, medium and low risk plots are differentially configured with pest-resistant varieties, intercropping, crop rotation and pest-repellent crops, and a hierarchical prepared prevention and control mechanism is matched, the planting environment is optimized from the aspects of farmland basement and field ecological layout; through the fusion of the Internet of Things, unmanned aerial vehicle remote sensing, pest trapping and meteorological data, the early latent characteristics of diseases and pests are captured through a deep learning model, and the development trend of diseases and pests is deduced in advance and divided into three levels of early warning.

This invention relates to the field of fertilizers, specifically to an organic fertilizer containing *Penicillium oxalate* and *Trichoderma echinococcosis*, and its preparation method. The organic fertilizer, by weight percentage, comprises: 10%-25% *Penicillium oxalate*, 10%-25% *Trichoderma echinococcosis*, 10%-20% sheep manure, 5%-10% ammonium phosphate, 5%-10% potassium fertilizer, 10%-20% straw ash, 1%-5% glyphosate, 1%-5% 6-benzylaminopurine, with a binder to make up 100%. The active ingredients of this invention are *Penicillium oxalate* and *Trichoderma echinococcosis*. It is mainly used to increase the yield of vegetables, flowers, and other crops while preventing fungal diseases such as anthracnose and black rot.

This invention provides a high-efficiency fermentation device and method for organic fertilizer in the bio-agricultural industry, relating to the field of fermentation equipment technology. It includes a frame, a fermentation tank, and a plowing assembly. The fermentation tank is located inside the frame, and the plowing assembly is located above the interior of the fermentation tank. The plowing assembly includes a hanger, a first moving rod, and a second moving rod. The hanger is located above the interior of the fermentation tank. This invention achieves coordinated movement by multiple sets of horizontally arranged first moving rods moving synchronously above the inner side of the hanger, and multiple sets of longitudinally arranged second moving rods moving synchronously below the inner side of the hanger. This coordinated movement drives several sets of mounting blocks to produce flexible, linked displacements, which in turn drive the plowing rods below the mounting blocks to move synchronously. This enables the plowing rods to perform omnidirectional, multi-point plowing operations inside the fermentation tank, breaking up the material's compacted layer, making the material fully loose and breathable, promoting the full reproduction of microorganisms, accelerating the fermentation process, and achieving high-efficiency fermentation of organic fertilizer.

This invention discloses a humic acid organic fertilizer / humic acid bio-organic fertilizer formula and its preparation method based on potassium humate tailings. The formula comprises the following raw materials by mass percentage: 60%±5% livestock and poultry manure, 35%±5% potassium humate tailings, 5%±2% macro-, meso-, and micronutrients, and 0.2%±0.1% compound functional microbial agent. However, in existing technologies, potassium humate tailings retain a large amount of free KOH and OH⁻, exhibiting strong alkalinity (pH 9.0-11.0). Direct application can burn seeds and roots, inhibiting germination and growth; it also exacerbates soil alkalization in saline-alkali areas and damages soil aggregate structure. Existing technologies do not utilize fermentation bacteria to generate organic acids to neutralize the residual OH⁻ in situ from the potassium humate tailings, greatly limiting the effectiveness of saline-alkali soil improvement. This invention utilizes lactic acid bacteria and organic acids combined with humic acid to synergistically neutralize OH⁻, improving saline-alkali soil inhibition capacity by 40%. The above features significantly improved aggregate size and porosity, inhibiting salinity and alkalinity; promoting root growth and chelating nutrients, increasing yield by 10%–30%; compatible with traditional organic fertilizer production lines, easy to scale up, and with significant economic and environmental benefits.

This invention discloses an organic fertilizer processing device and method based on poultry and livestock manure fermentation, comprising a base, an organic shell mounted on the base, a circular hole in the middle of the shell, a coating system installed in the circular hole, the coating system comprising a circular box rotatably mounted in the circular hole, an annular material guiding cavity formed between the outer side of the circular box and the shell, a discharge port communicating with the material guiding cavity at the lower end of the shell, a collection box corresponding to the discharge port mounted on the base, and two sets of symmetrical end seats on the outer ring wall of the circular box, each end seat having an opening communicating with the material guiding cavity, a coating device mounted on the end seats and a spraying device for supplying coating atomized vapor liquid to the coating device in the circular box, and a rotation system for controlling the rotation of the circular box mounted on the shell.

The application discloses a mobile farmland mixed organic fertilizer applying equipment and belongs to the technical field of organic fertilizer applying, which comprises a vehicle frame, a trailer hook fixedly connected to the vehicle frame, a motor installed on the upper surface of the vehicle frame, and a stirring cylinder fixedly penetrating through the upper surface of the vehicle frame. The inside of the stirring cylinder is provided with a stirring frame one, the two ends of the stirring frame one are respectively in bearing penetration with the two ends of the stirring cylinder, one end of the stirring frame one is connected with the shaft end of the motor through a belt transmission structure one, the upper end of the stirring cylinder is provided with a feeding port, the lower end of the stirring cylinder is connected with a discharging frame in penetration, and the upper end in the discharging frame is provided with a material guiding groove penetrating through the inside of the stirring cylinder. The application can not only scatter the tamped organic fertilizer before the complete discharge of the organic fertilizer, so as to ensure that the discharged organic fertilizer is loose enough, but also can brush off the adhered organic fertilizer in the grooves of the material guiding shaft roller, so that the adhered organic fertilizer cannot be automatically dropped in the grooves.

The application relates to the field of fertilizers, and discloses an organic fertilizer and a preparation method and application thereof. The content of Ca in the organic fertilizer is 0.9-2.5 wt%, the content of Cl is 3.1-6.9 wt%, the content of Mg is 0.05-0.15 wt%, and the content of small-molecule animal protein is 0.25-0.75 wt% on a dry basis. The preparation method comprises the following steps: concentrating bone gelatin production waste liquid to obtain a concentrated solution, and mixing the concentrated solution and organic fertilizer preparation raw materials; the organic fertilizer preparation raw materials are livestock manure and / or animal and plant residues. The organic fertilizer has good fertilizer efficiency, can improve crop yield and improve the quality of agricultural products in agricultural production, and can also improve the soil. The preparation method can improve the specific gravity of the organic fertilizer powder and granules, especially can improve the balling rate, glossiness of the granules, shorten the disintegration time, and further shorten the production cycle of the organic fertilizer, improve the fertilizer efficiency of the organic fertilizer, and improve the sales radius.

The utility model discloses an organic fertilizer fermentation - irrigation integrated equipment based on animal excrement fermentation relates to organic fertilizer fermentation technical field, including a plurality of fermentation ponds and two fertilizer pipes on each fermentation pond, each fertilizer pipe one side is equipped with the filter, each fertilizer pipe one side is equipped with the check valve, including the transportation pipe of installation in a plurality of check valve one side, is equipped with two second throttle valve on the transportation pipe, is equipped with two water -pumping on the transportation pipe, and the equipment solves the traditional fermentation equipment's difficult problem, through integration fermentation and irrigation system, avoided the intermediate link of fertilizer transfer, greatly improved production efficiency, reduced manpower cost and environmental pollution risk, on the other hand, a plurality of throttle valves in the equipment can accurate control fertilizer flow rate, realizes the on -demand supply of fertilizer, and deep well pump makes well water and liquid fertilizer real -time mixing, solves the problem that liquid fertilizer can not directly match irrigation demand, helps the sustainable development of agriculture.

This invention belongs to the field of fertilizer and soil improvement technology, and discloses a method and device for producing bio-organic fertilizer and soil conditioner in combination for enhanced efficiency. It utilizes a microencapsulation technology for a composite polysaccharide wall material, consisting of modified humic acid, konjac polysaccharide, and sodium oligoalginate in a 3:1:1 ratio, combined with emulsification, cross-linking solidification, and 30°C low-temperature negative pressure drying processes, to prepare suitable functional microcapsules. The entire process is controlled at low temperatures and supplemented by a post-ripening and colonization process to create a protective microenvironment for the functional bacteria. From production to storage, the activity of the functional bacteria is protected throughout the entire process, enabling them to colonize in the organic fertilizer substrate and enhancing their rhizosphere survival ability. Through a 26-28°C low-temperature gradient mixing and bonding process, the basic framework bonding, slow-release network overlap, and functional compound bonding are completed step-by-step according to the proportions of the decomposed bio-organic fertilizer substrate, modified mineral conditioner, carbon-based carrier, and functional microcapsules, forming a stable three-dimensional network compound system through hydrogen bonds and coordination bonds.

The application relates to a method and device for full-amount biological soil bioactivity reclamation of red mud by a biological method, wherein the method comprises the following steps: S10, mixing cane pith powder and red mud at a certain ratio; S20, feeding livestock and poultry manure and first compound formula strains into a biological reactor, continuously feeding sterile air and keeping a certain temperature and pressure, forming internal circulation of fermentation substrates under the action of air flow and a flow guide cylinder, and becoming acidic substances under the action of microbial bacteria; S30, carrying out neutralization reaction of the acidic hydrolyzate and the red mud in a neutralization waste heat recovery reaction tank, outputting in the form of mud slurry, and carrying out pressure filtration to generate filter mud; S40, adding soil conditioner or bio-organic fertilizer and second compound formula strains to the filter mud, and improving the organic matter content and soil bioactivity; and S50, completing soilization under the combined action of multiple microorganisms. The technical scheme of the application solves the problems of waste of land resources and environmental pollution caused by red mud stacking in the prior art.

This invention discloses a method for improving soil in potato cultivation, belonging to the field of agricultural soil remediation technology. Addressing the problems of soil acidification, compaction, reduced beneficial microorganisms, and severe soil-borne diseases caused by continuous potato cropping, this invention provides a synergistic improvement method integrating soil pretreatment, coupled application of microbial agents and organic fertilizers as basal fertilizers, dynamic and precise regulation throughout the growth cycle, coordinated water and fertilizer management, and post-harvest remediation. This method involves basal application of a specific ratio of compound microbial agents coupled with organic fertilizers. Based on the physiological needs and disease occurrence patterns of potatoes at different growth stages, and combined with the dynamic and precise regulation of the timing and dosage of microbial agent application through a drip irrigation system, water and fertilizer supply are simultaneously optimized, achieving synergistic effects of biological antagonism, soil ecological restoration, and crop nutrient regulation. This invention effectively improves the soil micro-ecological environment, reduces the incidence of soil-borne diseases, reduces reliance on chemical fertilizers and pesticides, and improves potato yield and quality.

This invention discloses a green and ecological planting method for daylilies, belonging to the field of agricultural planting technology. It addresses the technical problems of excessive reliance on chemical fertilizers and traditional mulching in current daylily cultivation, leading to soil ecological imbalance and low fertilizer utilization. The method includes: applying organic fertilizer made from cow and sheep manure and Asteraceae plant residues through aerobic composting, using a layered strip application method. First, fully decomposed organic fertilizer is applied as a base fertilizer layer in the planting furrow, followed by semi-decomposed organic fertilizer that has completed the main fermentation stage but not the later aging stage as a middle layer fertilizer; after land preparation and ridging, wood ash is spread on the ridge surface, followed by the laying of black fully biodegradable mulch film; finally, holes are made in the mulch film for daylily seedling planting. This method is mainly used for sustainable ecological planting of daylilies, improving soil fertility and structure, regulating soil pH and providing potassium, conserving moisture and suppressing weeds while avoiding residual pollution, thereby increasing daylily yield and quality while reducing environmental impact.

This invention discloses an organic fertilizer and its preparation method, belonging to the technical field of agricultural waste resource utilization and fertilizer preparation. The preparation method of the organic fertilizer includes: mixing livestock and poultry manure with straw powder, adding a bio-compound enzyme for enzymatic hydrolysis, and then fermenting it with a compound bacterial solution and a nitrogen-retaining agent. It aims to solve the problems of low fermentation efficiency, large nitrogen loss, poor nutrient availability, and low raw material utilization rate of existing organic fertilizers. This invention achieves the resource utilization of agricultural waste through an integrated agricultural waste treatment technology of "enzymatic hydrolysis pretreatment - compound bacterial synergistic fermentation - adsorption and slow-release nitrogen retention." The prepared organic fertilizer has an organic matter content ≥68%, a nitrogen retention rate ≥92%, and a total nutrient content ≥8.2%, exhibiting high nutrient availability and is suitable for planting various crops.

This invention discloses a method for preparing liquid organic fertilizer based on a combined grinding-enzymatic hydrolysis process, belonging to the field of liquid organic fertilizer preparation technology. The method includes: coarsely screening livestock manure to remove impurities, then mixing it evenly with water to obtain a mixed slurry; mechanically grinding the mixed slurry to obtain an activated slurry; adding a compound enzyme preparation to the activated slurry to obtain an enzymatically hydrolyzed material; heating the enzymatically hydrolyzed material to obtain a heat-shocked material; performing solid-liquid separation on the heat-shocked material to obtain a high-temperature filtrate and a filter residue; adding water-soluble nitrogen, phosphorus, potassium, humic acid, and trace elements to the cooled filtrate, and inoculating with a microbial agent to obtain the liquid organic fertilizer based on the combined grinding-enzymatic hydrolysis process. This invention promotes the conversion of macromolecular nutrients in manure into soluble small molecules through the combined grinding-enzymatic hydrolysis process, while the heat shock treatment simultaneously terminates enzyme activity, inactivates pathogens, and reduces viscosity. Subsequent inoculation with beneficial bacteria ensures long-term survival, resulting in a liquid organic fertilizer that combines rapid-acting nutrition with microecological conditioning functions.

The utility model relates to agricultural machinery engineering technical field, concretely is a kind of organic fertilizer pulverizer anti -sticking material sawtooth feed inlet, including pulverizer entrance body, the upper end of pulverizer entrance body is slidably inserted with first storage box and second storage box respectively, and the inside of first storage box and second storage box all have bearing rotation with rotating rod.The utility model can move the position of first sawtooth plate and second sawtooth plate by rotating rotating rod, so as to move the position of first sawtooth plate or second sawtooth plate upwards or downwards according to actual demand, when the lower end surface of first sawtooth plate or second sawtooth plate is attached to table top, different form objects can be isolated outside, simultaneously according to the cooperation use of positioning rod, the moving stability of first sawtooth plate or second sawtooth plate can be improved, simultaneously according to the cooperation use of first bolt, first storage box and second storage box can be disassembled and replaced, so as to improve the applicability and service life of equipment.

This invention discloses a process for preparing high-organic-matter bio-liquid organic fertilizer based on the leaves and stems of edible grasses, belonging to the field of organic fertilizer preparation technology. This invention addresses the pain points of low resource utilization rate of edible grass leaves and stems, incomplete harmless treatment of traditional bio-liquid organic fertilizers, low water-soluble organic matter content, easy inactivation of functional live bacteria, and unstable product quality. Using edible grass leaves and stems as the main material, it combines carbon sources such as rice husk powder, nitrogen sources such as well-rotted livestock and poultry manure, conditioners, and compound functional microbial agents. The process involves crushing, drying, sieving, homogenizing, mixing, controlling moisture and C / N ratio, three-stage temperature-controlled aerobic fermentation, drying, fine pulverization, and constant-temperature extraction and centrifugation to obtain a basic mother liquor. After precision filtration and pasteurization, the mother liquor is supplemented with macro-elements, micro-elements, and functional microbial agents to obtain the finished product. This process achieves harmlessness and thorough organic matter degradation, resulting in a product with excellent water-soluble organic matter, effective live bacteria count, and total nutrient indicators, with stable and controllable quality, enabling high-value utilization of edible grass waste.

The application relates to the technical field of organic fertilizer processing methods, in particular to an organic fertilizer processing system and method.The purpose of the application is achieved through the following technical scheme: an organic fertilizer processing method, which comprises the following steps: step one: collecting organic fertilizer; step two: crushing and mixing the organic fertilizer and carbon-containing raw materials; step three: carrying out aerobic composting fermentation treatment on the organic fertilizer; step four: adding the fermented organic fertilizer into a processing device to process the organic fertilizer into columnar particles; and step five: carrying out packaging treatment on the columnar organic fertilizer particles to complete the processing of the organic fertilizer.Further, in the step two, the carbon-containing raw materials are dry tree leaves, wood chips, rice straw and corn stalks, and the beneficial effect is that the organic fertilizer can be processed into columnar particles, so that the use and transportation of the organic fertilizer are facilitated.

This utility model discloses an organic fertilizer composting and fermentation device, relating to the field of organic fertilizer production technology. It includes a fermentation box with a fermentation chamber inside. A stirring shaft is rotatably connected inside the fermentation chamber, and multiple stirring blades are installed on both sides of the stirring shaft. A discharge pipe is fixedly connected to the bottom of the fermentation box below the fermentation chamber, and a feeding box is installed at the bottom of the fermentation chamber below the discharge pipe. A conveying box is installed on one side of the fermentation box. The beneficial effects of this utility model are: this organic fertilizer composting and fermentation device uses a bevel gear set to drive the stirring shaft and the spiral conveying shaft, facilitating the stirring of the fertilizer. It also circulates and pumps out fertilizers such as peat moss and animal manure from the bottom back into the stirring chamber, achieving a turning effect and improving efficiency. Furthermore, its simple structure, combined with a water pump and annular nozzle, facilitates the even spraying of liquid beneficial bacteria such as EM bacteria and yeast onto the fertilizer, further enhancing fermentation efficiency.

The application provides a drying and forming equipment for hydrothermal cracking organic fertilizer, which comprises a first drying equipment, a processing and forming equipment, a second drying equipment, a gas supply equipment and a heating equipment; the material treated by the first drying equipment is transported into the processing and forming equipment; the material treated by the processing and forming equipment is transported into the second drying equipment, and the dried organic fertilizer particles are obtained after the treatment of the second drying equipment; the gas output by the gas supply equipment is transported into the first drying equipment and the second drying equipment after being heated by the heating equipment. The drying and forming equipment for hydrothermal cracking organic fertilizer improves the granulation rate of the hydrothermal cracking material with a water content of 50%-60% by arranging the processing and forming equipment between the first drying equipment and the second drying equipment.

The present application relates to the technical field of wheat seed seedling raising, in particular to a kind of saline-alkali soil wheat seed seedling raising method, comprising the following steps: by deep ploughing and soil amendment are applied to improve soil structure;Organic fertilizer and vermiculite are mixed, and seedbed is laid, and microbial inoculum is applied by spraying;Wheat seed is soaked with gibberellin and betaine, and then dried for standby;Sowing is carried out using strip sowing mode;After sowing, cover a layer of thin soil, and lay a layer of rice straw on soil surface to keep moisture;Immediately after sowing, water is poured to ensure soil moisture;Wheat field management is watered and topdressed.The present application adds glycollic anhydride, which can improve the hydrophilicity of humic acid, thereby enhancing the water-retaining capacity of soil, providing a more suitable moisture environment for wheat seeds;In addition, glycollic anhydride helps to regulate soil pH, reduce the alkalinity of saline-alkali soil, promote soil to form granular structure, improve aeration and water permeability, which is conducive to the growth of wheat root system.

This invention discloses an organic fertilizer prepared using *Caragana korshinskii* and its preparation method, belonging to the field of organic fertilizer preparation technology. It aims to solve the problems of phenolic and tannin secondary metabolites in *Caragana korshinskii* inhibiting fermentation, leading to initiation difficulties and low fertilizer bioactivity. The preparation method involves drying and pulverizing *Caragana korshinskii*, then extracting it with water, separating the solid and liquid to obtain an extract and an extract residue. After adjusting the pH of the extract, a transformation agent composed of *Saccharomyces cerevisiae* and *Lactobacillus plantarum* is inoculated for anaerobic fermentation to obtain a fermentation-enhancing liquid. The extract residue is mixed with livestock and poultry manure, and the carbon-to-nitrogen ratio is adjusted. A cellulose-degrading agent is then inoculated for aerobic fermentation to obtain a mature substrate. Finally, the mature substrate is dried, pulverized, sprayed with the fermentation-enhancing liquid, and incubated to activate it, thus producing *Caragana korshinskii* organic fertilizer. The organic fertilizer prepared by this method can be used to improve soil and promote crop growth.

This invention discloses a precise fertilizer control method for in-situ monitoring of ammonia volatilization in dryland rice fields. It relates to the interdisciplinary field of dryland rice cultivation and farmland ecological environment protection. Combining the subtropical monsoon climate characteristics of major dryland rice producing areas with the coupled water and nitrogen requirements of dryland rice at different growth stages, it constructs an in-situ monitoring system for ammonia volatilization in dryland rice fields based on the sponge method for measuring ammonia nitrogen, with a two-factor synergy of "water source model - nitrogen application system". This invention focuses on the core characteristics of acidic red / yellow soil, low organic matter content, and subtropical monsoon climate in major dryland rice producing areas, characterized by waterlogging during the rainy season and drought during the dry season. By optimizing the synergistic parameters of "water source model - nitrogen application level", it reduces ammonia volatilization by more than 20%. Simultaneously, through the rational combination of organic fertilizer and amino acid fertilizer, it effectively increases soil pH by 0.2-0.3 units, alleviating the acidification trend of acidic soils, improving soil physicochemical properties, and breaking the vicious cycle of "high ammonia volatilization - inefficient nitrogen application - soil acidification".

The application provides a process for preparing fertilizer by synergistically aerobic fermentation of chicken manure, traditional Chinese medicine residues and straws and an organic fertilizer prepared by the process, and relates to the technical field of organic fertilizer preparation. The chicken manure, traditional Chinese medicine residues and straws are mixed uniformly in proportion and stacked into a fermentation pile, the carbon-nitrogen ratio of the fermentation pile is 25-30:1, and the water content is 55%-60%, ventilation conditions are provided for the fermentation pile during the fermentation process, an intermittent ventilation mode is adopted during the fermentation process, and intermittent turning and throwing treatment is performed. The chicken manure, traditional Chinese medicine residues and straws are synergistically treated for aerobic fermentation to prepare fertilizer, the chicken manure provides a nitrogen source and a microbial flora, the traditional Chinese medicine residues are rich in cellulose and trace active substances, and the straws serve as a carbon source and improve the pile structure; the mixture of the three can adjust the carbon-nitrogen ratio of fermentation, improve the porosity of the fermentation pile and promote the aerobic microbial metabolism; and thus efficient resource utilization of the waste is realized.

This invention relates to the field of waste utilization and organic fertilizer preparation technology, specifically to a high-carbon, low-nitrogen organic fertilizer prepared from bayberry branches and its preparation method. The organic fertilizer raw materials, by weight, include: 80-150 parts of crushed bayberry branches, 3-5 parts of a nitrogen source, 0.15-0.2 parts of a compound microbial agent, and 0.1-0.15 parts of auxiliary materials; the nitrogen source is one or a combination of manure and urea; the compound microbial agent is selected from one or a combination of lignin-degrading bacteria, nitrogen-fixing bacteria, cellulose-decomposing bacteria, and phosphorus- and potassium-solubilizing bacteria; the auxiliary material is a mixture of lime and gypsum. The carbon-to-nitrogen ratio of the mixed raw materials is 45-70:1. This invention enables the resource recycling of bayberry branches, producing high-quality, high-efficiency organic fertilizer that is well-suited to the growth characteristics of bayberry cultivation, which requires strict nitrogen control. It can effectively reduce the fruit drop rate, improve fruit flavor, and enhance sweetness and quality. Furthermore, this invention can sustainably improve soil fertility, maintain soil microbial community stability, and create a favorable environment for bayberry root growth.