80 results about "Crop residue" patented technology

A chopper blade for use in an agricultural harvester chopper to chop crop residue includes a blade body and a hard face. The blade body includes a cutting edge of the chopper blade. The hard face is applied to a surface of the blade body and is harder than the blade body. The hard face includes a sawtooth pattern along the cutting edge such that during use of the chopper blade, the cutting edge wears to the sawtooth pattern to match the sawtooth pattern, thereby forming corresponding sawteeth in the cutting edge, and the sawtooth pattern becomes part of the cutting edge of the chopper blade.

The utility model relates to the technical field of harvesters, in particular to a front fan of a harvester, which comprises a main body comprising a casing, a side plate mounted on the surface of the casing, a rotating shaft arranged on the inner side of the casing, a mounting rack fixedly connected to the surface of the rotating shaft, and blades fixedly connected to the surface of the mounting rack; the connecting mechanism comprises a fixing plate. According to the utility model, the side plate and the casing are separated, so that a worker can operate from the slotted hole for mounting the side plate when overhauling the front fan, the condition that internal devices are taken out and then treated is avoided, the worker can operate more conveniently and quickly, and the working efficiency is improved. The protective net is arranged at the position of the air outlet of the machine shell, so that the protective net can isolate and prevent large-size crop residues or other sundries from entering the position where the blades are installed, and the situation that the blades are damaged due to the fact that objects are rolled in is avoided.

The invention relates to the technical field of rotary cultivators, in particular to an automatic ditching adjustable rotary cultivator which comprises a rotary cultivator body, an auxiliary assembly is installed in the rotary cultivator body and comprises a rotary tillage roller rotating in the rotary cultivator body, the two ends of the rotary tillage roller are connected with first reciprocating lead screws through first synchronous belts, and the two ends of the rotary tillage roller are connected with second reciprocating lead screws through second synchronous belts. And one end of each first reciprocating lead screw is connected with a second reciprocating lead screw through a second synchronous belt, the second reciprocating lead screws are connected with threaded blocks in a sliding mode, and piston pipes are installed on the outer surfaces of the threaded blocks. The telescopic frame drives the two groups of furrow openers to reciprocate, so that each group of furrow openers pretreats soil, crushes hard shells or hardened layers on the surface layer of the soil, reduces the impact caused by direct cutting of blades of the rotary cultivator into high-resistance soil, cuts off root systems of weeds or crop residues by the reciprocating furrow openers, and reduces the probability that the blades of the rotary cultivator are wound by the weeds.

The invention provides quantitative fertilization equipment for returning rotten vegetable to field and fertilizing soil and a control method, and belongs to the technical field of fertilization equipment.The quantitative fertilization equipment comprises a handle, a rod body is fixedly connected to one side of the bottom of the handle, a material storage box is fixedly connected to one side of the outer wall of the rod body, and one side of the material storage box communicates with an inner cavity of the rod body through a connecting pipe; the bottom of the rod body is fixedly connected with a sharp shovel head, and the handle is further provided with a ground breaking auxiliary assembly. By means of the soil breaking auxiliary assembly, when an area to be subjected to soil breaking is covered by plants, the plants can be pushed away to the periphery under cooperation of expansion cloth and an expansion plate, then the sharp shovel head is used for soil breaking, the sharp shovel head can avoid the plants and make direct contact with soil, and therefore the situation that the sharp shovel head damages crops in the falling process is avoided; and the fertilizer and crop residues are prevented from being buried together to influence the fertilization effect.

A system for controlling the operation of ground-engaging tools of an agricultural implement includes a ground-engaging tool configured to be moved through the soil of a field. Furthermore, the system includes an actuator configured to apply a force on the ground-engaging tool. Additionally, the system includes a vision-based sensor configured to generate data indicative of a cellulose content of crop residue present within a field of view of the vision-based sensor. Moreover, the system includes a computing system communicatively coupled to the vision-based sensor and configured to determine the cellulose content of the crop residue based on the vision-based sensor data. Additionally, the computing system is configured to control the operation of the actuator based on the determined cellulose content.

The invention discloses a charcoal-based alkali metal catalyst as well as a preparation method and application thereof, and belongs to the technical field of agricultural waste treatment. The biochar-based alkali metal catalyst comprises the following components in parts by weight: 20-30 parts of modified biochar and 18-25 parts of an alkali metal compound, and a nitrogen-rich solution generated after a hydrothermal reaction of livestock and poultry manure is used as a modifier to modify straws to obtain the modified biochar. The invention further discloses a preparation method of the biochar-based alkali metal catalyst and application of the biochar-based alkali metal catalyst in hydrothermal conversion of crop residues. The biochar-based alkali metal catalyst prepared by the method can effectively improve the hydrothermal conversion efficiency and reaction rate of agricultural wastes, has excellent physical stability and recoverability, and realizes resource utilization of the agricultural wastes.

The invention relates to a turning and cutting curved surface combined plow, which is characterized in that a turning and upturning plow body is rotated to remove part of edge materials to form a disc with a notch for cutting off stubbles and crop residual stalks. The plow column is adjustably connected with the mounting seat through a bolt, and the mounting seat is fixed with the plow frame through a U-shaped buckle. During operation, the plough share firstly cuts and lifts upturned soil, the upturned soil is conveyed to the rotary upturned soil turning plough body through the plough share, the rotary upturned soil turning plough body rotates under the driving of the friction force of the upturned soil, the upturned soil rotates, turns over and falls back along with the rotary upturned soil turning plough body, crushing and turning over of the upturned soil are achieved, and turning over and stubble burying operation is completed. By means of the combined structure of the plough share and the rotary upturned soil plough body, on the basis that the stable soil penetrating and upturned soil turning effects are guaranteed, sliding friction between the plough body and upturned soil is partially converted into rolling friction, the tillage resistance and energy consumption are fundamentally reduced, the soil tillage efficiency and quality are improved, and the rotary upturned soil plough is particularly suitable for the working condition of high stubble sticky heavy soil.

The invention relates to a solid biomass fuel derived from one or more biomass sources, wherein the one or more biomass sources comprise straws, palm derived materials, nutshells, hemp plants, bamboos, corncobs, rice husks, shells, crop residues, seaweed, albizia albizzia, acacia mangium, albizia chinensis, Brazil hevea brasiliensis, grass or any combination thereof; wherein the solid biomass fuel further includes one or more aluminosilicate-containing clays, one or more aluminosilicates, one or more pulverized fuel ashes, or a combination thereof.

An agricultural machine includes a computing system communicatively having one or more processors and one or more non-transitory computer-readable media that collectively store a machine-learned model configured to receive the image data and to process the image data to output classifications for pixels of the image data. Furthermore, the one or more non-transitory computer-readable media collectively store instructions that, when executed by the one or more processors, configure the computing system to perform operations. The operations, in turn, include receiving the image data from the imaging device and inputting the image data into the machine-learned model. Additionally, the operations include receiving the classifications for the pixels of the image data as an output of the machine-learned model and identifying residue bunches or residue evenness of within the portion of the field based on the classification for the pixels.

The process for the manufacture of fennel snacks comprises at least the following phases: supplying at least one fennel; washing the at least one fennel for the removal of one or more solid crop residues; portioning the at least one fennel to obtain a plurality of finger-food portions; packaging the finger-food portions in at least one container.

The invention relates to a method of producing nitrogen-enhanced vermicomposting through the incorporation of nitrogen-rich Gliricidia sepium leaves into a vermicomposting substrate. Organic waste materials including animal manure, crop residues, and food waste are blended with pre-dried and shredded Gliricidia sepium foliage in optimized proportions and decomposed by epigeic earthworms (Eisenia fetida) under mesophilic conditions (20–35 °C). The biological interaction between earthworms and microorganisms results in a finely divided, porous, humus-like vermicompost characterized by increased nitrogen, phosphorus, and potassium (NPK) levels and measurable nitrogen content.

Arrangement (80) for switching a combine harvester (10) between swath laying and broadcast spreading operation, comprising a front element (82) and a rear element (84) arranged downstream of the front element (82) with respect to a material flow direction of the crop residues, wherein the rear element (84) is rigid in itself, is articulated at its upstream end about a first pivot axis to a chassis (12) of the combine harvester (10) and is movable between a swath laying position and a wide spreading position by means of an adjusting drive (86). and the front element (82) is movable between a swath laying position and a wide spreading position, is articulated at its upstream end about a second pivot axis on the chassis (12) of the combine harvester (10), is rigid in itself and is coupled to the adjusting drive (86) by a spring (102).

The utility model belongs to the technical field of agricultural engineering, and particularly relates to a green manure fertilizing device which comprises a soil turning machine body, and a soil turning decomposition mechanism is arranged at the bottom of the soil turning machine body. The soil turning and decomposing mechanism comprises a fixing part, a soil turning rod, soil turning teeth, a servo motor, a transmission belt wheel, a driven belt wheel, a transmission belt, a supporting part, a rotating rod, a decomposing cutter, an output gear and a rotating gear, the fixing part is fixedly installed at the bottom of the soil turning machine body, the soil turning rod is rotationally connected to the interior of the fixing part, and the two ends of the soil turning rod penetrate to the outer side of the fixing part; the soil turning teeth are fixedly connected to the surface of the soil turning rod, and the servo motor is fixedly installed on the top of the soil turning machine body. According to the green manure fertilizing device, roots or sundries of green manure crops in soil can be cut in the soil turning process and the fertilizing process, and the decomposition speed of residues of the cut green manure crops is high, so that more nutrient elements are provided for the crops, and the soil fertilizing effect is improved.

In order to solve the problems in the prior art, the invention provides a pseudo-ginseng old land planting soil treatment method which comprises the following steps: removing previous crop residues and moving out of a target planting land; completely decomposed green manure is applied, the application amount is 70-80% of the standard amount, and soil of the target planting land is deeply ploughed; thoroughly watering to enable the soil moisture content of the target planting land to be 60%-70%; dazomet is applied to soil of the target planting land, and rotary tillage and soil mixing are carried out; watering to wet the surface layer of the soil of the target planting land, and then carrying out film covering treatment for 10-30 days; uncovering the film and opening the air for 10-30 days, turning the soil for 2-3 times during the period, and then adjusting the pH value of the soil to 6.5-7.0; and after the test passes, applying a standard amount of residual fermented additional fertilizer 10-20 days before transplanting, and watering once with an auxiliary liquid. According to the method, harmful florae, pest larvae and weed germinating seeds in planting soil can be effectively killed, and the stability and effect of fumigation treatment are remarkably improved.

A vegetal concrete masonry unit and method and system for manufacturing thereof are disclosed. The masonry unit comprises treated crop residues (e.g., paddy straw, wheat straw, bagasse), a binder of hydrated lime, ground granulated blast furnace slag (GGBFS), and low-content alkali activator (2.5-20% by mass), and aggregates in a mass ratio of 1:0.1:1.5 to 1:5:5, achieving compressive strengths of 2-20 MPa and densities of 950-1900 kg / m3. The method involves alkali-treating residues at 0.1-10M NaOH for 15-1500 minutes, passing through a screw press, mixing with binder and aggregates to form C-A-S-H and N-A-S-H gels, and high-pressure molding (2-10 MPa). The system includes silos, a retention tank / screw press, pan mixer, and hydraulic press. This sustainable bio-composite utilizes agricultural / industrial wastes, reduces emissions by 80%, is energy efficient, enhances compatibility and mechanical performance, and provides thermal insulation for eco-friendly building blocks and panels.

The invention discloses biomass-based activated carbon and a preparation method thereof, and belongs to the technical field of activated carbon materials, and the biomass-based activated carbon is prepared by taking 7-8 parts of crop residues and 1.5-2.5 parts of dried vegetable sponge as raw materials as carbon-based solid materials through soaking in an activated water solution, microwave hydrothermal treatment carbonization and two times of physical activation treatment. The biomass-based activated carbon disclosed by the invention has the characteristics of higher specific surface area, richer pore structure and surface functional groups and the like and is excellent in adsorption capacity, production raw materials in the whole preparation process are green and safe, waste gas resources are recycled and environment-friendly, the corrosion of the raw materials to production equipment is small, and the production cost is low. The method is suitable for popularization and application in the fields of food processing and medicine pharmacy.

The invention discloses an adjustable blade layout device. The adjustable blade layout device comprises two symmetrical wallboards, a cutter shaft, an axial displacement mechanism, a cutter holder unit, a mounting disc and blades. The two ends of the cutter shaft are rotationally connected to the two wallboards through bearings. The axial displacement mechanisms are arranged on the cutter shaft at equal intervals; the tool apron unit is adjustably mounted on the tool shaft through the axial displacement mechanism; the installation disc is installed on the tool apron unit through a deflection mechanism, and the installation disc is driven by the deflection mechanism to swing left and right in the axis direction of the tool shaft. And a plurality of blades are mounted on the mounting disc in the circumferential direction. The axial distance between the tool apron unit and the blade on the tool shaft can be conveniently adjusted through the axial displacement mechanism; the axial deflection angle of the blade can be adjusted through the deflection mechanism. A user can quickly configure the optimal blade layout according to the requirements of soil conditions, crop residues, tillage depth and the like, and the adaptability and the operation effect of the rotary cultivator are remarkably improved.

A residue distribution system includes a flow channel having a first lateral side and a second lateral side disposed. A spreader is positioned proximate a downstream end of the flow channel, and broadcasts the flow of the crop residue. A residue distributor is positioned within the flow channel and upstream of the spreader for directing the crop residue toward one of the first lateral side or the second lateral side of the flow channel to increase a mass of the crop residue that side of the spreader, whereby a discharge density of the crop residue on that side of the spreader is increased to overcome effects of a crosswind or an uphill side-slope on broadcast distribution of the crop residue.

A spreader for harvested crop residue is configured to be attached downstream of a straw chopper of a combine harvester and comprises two adjacently arranged throw blowers with paddles which are able to be set in rotation about one respective axis and in opposing directions to one another, as well as a guide arrangement for predetermining the spreading characteristic of the throw blowers, said guide arrangement having a front tip penetrating the interstice between the throw blowers and two lateral guide elements which follow downstream and which in each case are adjacent to a throw blower and are adapted to the contour thereof. Extension means are connectable or connected to the guide arrangement, for selectively extending the guide device in the axial direction of the throw blowers.

This invention provides a method for preparing an iron-silicon composite organic fertilizer using acid-activated iron tailings. The method involves crushing high-silicon iron tailings through a 200-mesh sieve, mixing it with an acid activator composed of citric acid and oxalic acid in a specific ratio, aging it in water for 25-30 days, and then drying it to obtain acid-activated iron tailings. This is then mixed with livestock manure (20-45 parts), crop residues (15-40 parts), microbial agents (1-2 parts), and water (10-30 parts), and composted in windrows for 40-50 days before drying to obtain the finished organic fertilizer. This process is simple, low-cost, and energy-efficient, realizing the resource utilization of iron tailings solid waste. The resulting fertilizer is rich in soluble silicon and iron, can complex with humic acid, and is suitable for silicon-loving, acid-loving, and iron-loving crops. It promotes growth, increases yield, and improves quality, and can be used as a base fertilizer or top dressing.

The invention relates to the technical field of food safety, in particular to a pesticide residue evaluation and detection method based on bidirectional data of soil and agricultural products, comprising a sampling module used for synchronously collecting crop samples and soil samples at corresponding positions from a target area during crop planting; the residue detection module is used for performing pesticide residue detection on the crop sample and the soil sample to obtain residue data; the data analysis module is used for respectively recording and analyzing the soil residue data and the crop residue data; and the picking suggestion module is used for outputting suggestions of optimal picking opportunities according to the analysis data of the data analysis module. By collecting and analyzing the crop residue data and the corresponding soil residue data, a two-way residue comparison mechanism is established, and the accuracy and predictive capacity of pesticide residue evaluation are remarkably improved.

The application belongs to the technical field of agricultural machinery, and particularly relates to a static mulch film based ploughing and seeding machine, which comprises a frame connected with a traction machine, a weeding unit, a seeding unit and a land wheel arranged on the frame respectively, the weeding unit is located in front of the seeding unit along the walking direction of the traction machine, the weeding unit comprises a pair of gathering belts, a gripping assembly and a pulling wheel set matched with the gripping assembly, the gathering belts are respectively located on the left and right sides of crop residues, the gripping assembly is respectively located above the gathering belts, the pulling wheel set comprises a first rotating wheel, a second rotating wheel coaxially arranged above and below and a third rotating wheel located between the first rotating wheel and the second rotating wheel in the height direction, the first rotating wheel and the third rotating wheel are respectively located on the left and right sides of the crop residues, one side of the third rotating wheel has an overlapping area with the first rotating wheel and the second rotating wheel in the horizontal direction and below the gripping assembly, the seeding machine can perform weeding, ploughing and seeding without breaking and winding the mulch film, and the artificial labor and plastic pollution are reduced.

A mowing and intake device (10) for a machine for harvesting stem-like plants is equipped with a cutting disc (12) that can be rotated about its vertical axis for cutting plants standing in a field, a conveying disc (14) arranged above it with drive teeth (16) distributed around its circumference for receiving and conveying plant stems, a support (22) arranged below the cutting disc (12) extending forward and upward with a divider tip (24) attached to the front of the support (22), and at least one scraper (28) that cooperates with the support (22) to remove crop residue from the support (22). The scraper (28) is attached to the conveying disc (14).

The utility model relates to the technical field of cutters, in particular to an anti-winding blade which comprises a blade body, and the blade body comprises a cutter handle and a cutter body which are integrally formed. A knife back and a first knife edge are arranged on the two sides of the knife body respectively, a second knife edge is arranged at the end, away from the knife handle, of the knife body, the knife back and the first knife edge are both bent towards the inner side of the knife body, and the curvature of the knife back is larger than that of the first knife edge. Through the design that the inner sides of the knife back and the first knife edge are bent, winding of crop residues and weeds can be effectively reduced, and the working efficiency of agricultural machinery is improved. And the anti-winding effect is further enhanced through the upward rolling shape design of the cutter body, so that the blade is more stable and reliable in the using process. Due to the notch design of the knife handle and the arrangement of the mounting hole site, the mounting efficiency and stability of the blade are improved, and the service life of the blade is prolonged.

The invention provides an irradiation-treated coal gangue-based soil conditioner as well as a preparation method and application of the irradiation-treated coal gangue-based soil conditioner, and belongs to the field of soil conditioners. The fertilizer comprises the following components in parts by weight: 30-50 parts of coal gangue crushed material, 30-50 parts of crop residue crushed material, 10-20 parts of livestock manure crushed material, 1-3 parts of nitrogen-phosphorus-potassium compound fertilizer and 0.1-0.5 part of water-retaining agent, the coal gangue crushed material, the crop residue crushed material and the livestock manure crushed material are respectively subjected to electron irradiation treatment. According to the present invention, the harmless treatment is performed by using the electron irradiation processing, such that the harmful metal in the coal gangue is cured, the harmful microorganisms in the crop residue and the livestock manure are effectively killed, and the nutrient release in the material is promoted; after the conditioner prepared by the invention is applied, the nutrient content of soil is increased, the crop yield is increased, and effective improvement of barren soil is realized.

The invention relates to the technical field of cable production methods, in particular to an organic vegetable planting method. The method comprises the following steps: step 1, installing a modular planting frame, and adjusting the partition spacing of planting assemblies; 2, the planting assembly is filled with an organic matrix, soil is moved and turned over for the first time through the partition assembly, organic fertilizer is evenly mixed, and hardened blocks are crushed; 3, sowing or transplanting seedlings in the subareas, and starting an irrigation system; after excessive water is filtered through the bottom of the planting assembly, the partition assembly automatically sucks liquid filtered at the bottom of the planting assembly through a built-in pump in the moving process, and the liquid is sprayed to the soil surface; and step 4, after the vegetables are harvested at present, according to the growth cycle of the vegetables, switching the partition configuration, adjusting the planting area by moving the partition assembly again, synchronously turning over the soil to prevent hardening, and turning over and burying the residual bodies of the covered crops.

Composite material comprising a thermal insulation made of a mycelium based material encapsulated by a protective cover material. The core may comprise mycelium and a further material which may be agr

A sugarcane harvester includes a cutter assembly for cutting stalks of the sugarcane as the harvester moves through a field. A chopper assembly is provided for chopping the cut sugarcane stalks into billets and crop residue. A primary extractor is provided for cleaning the billets and extracting the crop residue. A loading elevator transports the cleaned billets to a discharge location. At least one moisture sensor is configured to sense a moisture content of the billets as the billets move through the sugarcane harvester, the at least one moisture sensor being configured to generate a moisture content signal representative of the moisture content. A controller is functionally linked with the sensor for receiving the moisture content signal, the controller being configured to generate an output signal based at least in part on the moisture content signal.

This utility model provides a biological interception and purification combination device for ecological drainage ditches in high-standard farmland, relating to the field of high-standard farmland. It includes a biological purification frame, columns, and guide rods. The outer surface of the columns is slidably connected to a interception groove, and the upper surface of the interception groove is hinged to a pull rod. The left and right ends of the guide rods are welded with beams, and the left and right sides of the beams are provided with through holes. A bidirectional threaded rod is rotatably connected within the through holes of the beams. The biological purification frame includes a planting cylinder and an installation support plate. The installation support plate is screwed onto the outer surface of the planting cylinder. Through the interception groove, planting cylinder, and installation support plate, the device prevents crop residues and branches from flowing into the roots of aquatic plants in the planting cylinder, thus avoiding drainage blockage. This facilitates the rapid replacement and cultivation of aquatic plants, solving the problems of drainage blockage caused by the accumulation of crop residues and branches between the roots of aquatic plants in traditional drainage ditches, as well as the inconvenience of replacing and cultivating dead aquatic plants.

In harvesting machines, the function of the dustproof net installed over the cooled part is enhanced to prevent crop debris, dust, and other contaminants from adhering to the cooled part. [Solution] The system is equipped with an air intake port 29 located laterally outward from the unit to be cooled 16, a dustproof net 33 provided in the air intake port 29, and a fan 17 provided adjacent to the unit to be cooled 16. As the fan 17 rotates, outside air from laterally outward from the unit flows along the left-right direction, passes through the dustproof net 33, passes through the air intake port 29, and is supplied to the unit to be cooled 16 as cooling air. The dustproof net 33 has a protruding portion 40 that extends laterally outward from the air intake port 29.