83 results about "Arable land" patented technology

The application discloses a method and related equipment for reconstructing a canal system based on farmland irrigation capacity, and the method comprises the following steps: acquiring various water source data, canal network data and farmland plot data of a target area; constructing a weighted directed graph based on the various water source data, canal network data and farmland plot data; calculating the network reachability, water supply adequacy and water demand pressure reciprocal of each farmland plot according to the weighted directed graph, and then calculating the comprehensive irrigation capacity index of each farmland plot; determining a farmland plot to be reconstructed based on the comprehensive irrigation capacity index of each farmland plot; and solving a preset planning model with the minimum total reconstruction cost as the target based on the farmland plot to be reconstructed and the comprehensive irrigation capacity index of the farmland plot to be reconstructed, so as to obtain a canal system reconstruction scheme. The application can realize quantitative trade-off between irrigation benefits and investment costs, thereby maximizing the overall improvement benefits of the irrigation system under the limitation of the investment cost budget, and can be widely applied to the field of agricultural water conservancy technology.

The application provides a method for preparing regenerated soil by using phosphogypsum, which takes bulk solid waste phosphogypsum as raw material, and through harmless treatment, microbial alternate fermentation and trace element compound treatment, a regenerated soil with high fertility, stable structure and strong water and fertilizer retention capacity is obtained, which can be directly used for crop planting. The method can promote the plant absorption of Ca, S, P and other elements in the phosphogypsum, and realize the land utilization of all components of the phosphogypsum. In addition, through the formation of organic-inorganic complex by the compounding fermentation technology, the complex can not only promote the formation of soil aggregate structure, but also improve the biological effectiveness of trace elements and the stability of organic matter in the soil, and then build a high-quality regenerated soil with strong water retention and air permeability and long-lasting fertilizer efficiency. The application can not only effectively solve the problem of phosphogypsum storage, but also apply the prepared regenerated soil to farmland improvement, land reclamation and crop planting, and realize the goal of turning waste into treasure.

This invention discloses a method for assessing farmland inundation. The method includes: evaluating multiple precipitation prediction models based on precipitation indices, and selecting the optimal model from among them; correcting the precipitation sequence of the optimal model, extracting extreme precipitation sequences, analyzing precipitation data based on the extreme precipitation sequences, and inputting the precipitation data into a preset hydrological-hydrodynamic coupling model; overlaying the inundation results output by the hydrological-hydrodynamic coupling model with pre-stored farmland spatial data to identify farmland inundation units and clarify the farmland inundation situation; classifying the farmland inundation situation based on a preset hierarchical index system to generate farmland inundation risk zones; and forming differentiated management strategies based on different farmland inundation risk zones. The technical solution of this application can conduct accurate quantitative assessments of watershed flood inundation and farmland exposure under multiple scenarios, providing scientific support for watershed flood control and disaster reduction and agricultural adaptability planning.

1. The name of the design product: reclamation knife (micro). 2. The use of the design product: used for breaking up weeds and loosening soil when the agricultural machinery is plowing. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

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 discloses a production method for preparing artificial land using various types of stones, a complete technology for preparing artificial soil through on-site crushing and application to the comprehensive transformation of national land. This invention employs on-site mobile processing, avoiding transportation costs. A single unit can produce soil for 1500 mu (approximately 100 hectares) annually, with a standard farmland cost of only 2658 yuan per mu, and the cost of remediating polluted farmland not exceeding 10,000 yuan per mu. The produced soil has a thickness of 33.3 cm, does not compact, and has extremely high water retention; even after 10 days at high temperatures, the moisture content of the lower layer still reaches 70%. Heavy metal content in the soil and agricultural products is far below national standards, mercury was not detected, and it is safe to grow all grains and vegetables. This invention can be applied on a large scale to the remediation of polluted farmland and the enhancement of carbon sequestration in industrial areas. It can rapidly increase soil carbon sequestration, lower temperatures, and transform ineffective rocky land into high-yield farmland, completely solving global problems such as the extremely slow formation, rapid loss, non-renewability, arable land shortage, and global warming of natural soils. One-time transformation benefits millennia, possessing extremely high economic, ecological, and social value.

This invention relates to the field of agricultural technology, specifically to a water-saving and salt-reducing synergistic regulation method for intercropping salt-tolerant maize with halophytes, comprising the following steps: Step 1: Saline-alkali land classification and pretreatment; Step 2: Construction of a gradient intercropping system; Step 3: Dynamic irrigation and drainage and water and fertilizer regulation; Step 4: Rhizosphere improvement; The saline-alkali land classification of this invention is based on the total salt content and pH value of the topsoil layer (0-20cm) (moderate 0.3wt%-0.6wt%, severe >0.6wt%), rather than the original 0-60cm depth, which is closer to the actual salt damage range of the topsoil layer and provides a precise basis for the implementation of subsequent measures; The intercropping system enhances the ecological diversity of farmland and avoids the ecological monoculture caused by monoculture; The technical solution expands the arable land resources of moderate and severe saline-alkali land, while conforming to the direction of green governance, and providing a replicable guarantee solution for saline-alkali areas.

1. Name of the product subject to this design: Agricultural machinery. 2. Application of this design: for tilling, ditching, hilling, ridging, weeding and shredding in fields. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: Design 4, 3D diagram 2. 5. The bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view of design 1 is omitted; the bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view of design 2 is omitted; the bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view of design 3 is omitted; the bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view of design 4 is omitted; the bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view of design 5 is omitted; the bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view of design 6 is omitted; the bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view of design 7 is omitted; the bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view of design 8 is omitted; the bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view of design 9 is omitted. 6. Design 4 is designated as the basic design.

The present application relates to the field of plough body, disclose a kind of combined plough body and its use method, combined plough body includes plough share, plough wall, plough tip, plough support, plough column, plough side plate and guide wall;Use method includes the adjustment of plough tip angle of entry into soil, the adjustment of ditch wall sliding cutter angle, the adjustment of grass board height and the adjustment of guide wall angle.The gap between the top of plough wall and plough column can be effectively shielded by the guide wall arranged in the present application, so that the gap between the plough column and the plough wall is avoided to be filled with straw and other sundries, and the sundries in the gap no longer need to be cleaned manually by stopping the machine, so that the ploughing operation can be continuously carried out, thereby effectively improving the efficiency of ploughing operation;The present application is suitable for ploughing in areas with high stubble and stubble, has the functions of stubble burying, sliding cutting ditch wall, soil crushing and soil turning, and can prevent the plough wall and the plough column from being stuck with grass and film, can effectively reduce the operation resistance and improve the operation quality.

The utility model discloses a kind of air suction seed sowing hole forming type precision seeders, its technical scheme includes: mobile host and air suction seed sowing disc, the mobile host side is equipped with storage tank by connecting frame, the storage tank bottom is equipped with discharge pipe, the discharge pipe bottom is equipped with air suction seed sowing disc, the air suction seed sowing disc bottom is equipped with discharge pipe, the discharge pipe outer surface is sleeved with extrusion pipe, the extrusion pipe inner bottom both sides are equipped with plugboard by positioning shaft, the extrusion pipe both sides middle are equipped with pneumatic rotary cylinder, the storage tank inside middle is equipped with stirring shaft, the stirring shaft one end is equipped with stirring motor.A kind of air suction seed sowing hole forming type precision seeder solves the problem that current precision seeder cannot be buried in farmland when sowing, seed is easily eaten by animal, affects the sowing effect of farmland, reduces the probability of seed being eaten, thereby improve the sowing effect of seed.

This application relates to a front-mounted hard stone detection structure for agricultural tillage, and pertains to the technical field of agricultural tillage machinery. The front-mounted hard stone detection structure includes a stone detection mechanism mounted on the machine body. This mechanism guides stones from the soil surface in front of the blades and those partially embedded in the soil to both sides of the blades. The stone detection mechanism includes: a mounting frame rotatably mounted on the machine body; two sets of detection plates, with the side furthest from the mounting frame approaching each other and forming an A-shape; and an adjustment component for adjusting the mounting angle of the mounting frame and the depth to which the front end of the detection plate inserts into the ground. This application adjusts the installation angle of the mounting frame using the adjustment component, thereby adjusting the depth to which the front end of the detection plate inserts into the soil. When the tillage machinery moves forward, the A-shape structure formed by the two sets of detection plates facilitates the guidance of soil surface stones and shallow stones to both sides of the blades, reducing direct contact between the tillage machine blades and surface and shallow stones, thus reducing blade wear.

This application discloses a method, apparatus, equipment, medium, and product for identifying and retroactively recognizing historical outflow of cultivated land, belonging to the field of land and resources survey and monitoring technology. The method includes: constructing a candidate base map of historical outflow of cultivated land based on multi-time-series land change survey vector data; generating a constraint layer based on multiple spatial constraint data; performing spatial intersection elimination based on the candidate base map of historical outflow of cultivated land and the constraint layer to obtain a candidate set after avoidance; judging the integrity of the topsoil based on the candidate set after avoidance and soil survey data to obtain a set of intact topsoil patches; identifying crop types in the set of intact topsoil patches based on multispectral remote sensing data to obtain a crop type identification result set; performing concentrated contiguous analysis on the patches in the crop type identification result set to obtain a contiguous optimization result set; and performing post-processing on the contiguous optimization result set to generate a cultivated land retroactive vector layer. The embodiments of this application can effectively improve the efficiency and accuracy of identifying and retroactively recognizing historical outflow of cultivated land.

This invention relates to the field of biochar ecological restoration, specifically a method and system for dynamic restoration of coal mining subsidence areas based on biochar. It includes the following steps: S1, initial geological disaster prevention: mixing biochar with backfill soil for filling cracks, subsidence pits, and reinforcing slopes; S2, mid-term farmland function restoration: mixing biochar with organic fertilizer to form a mixed fertilizer and applying it to the soil surface; S3, subsequent continuous improvement of ecological resilience: real-time monitoring of various soil parameters and dynamic adjustment of the mixed fertilizer application plan. In this invention, the initial stage utilizes biochar to fill ground cracks and reinforce subsidence slopes, combined with engineering measures to quickly stabilize geological disaster risk areas; the mid-term stage uses a combination of biochar and organic fertilizer to rebuild soil fertility and microbial networks, restoring agricultural productivity; and the subsequent stage relies on the pollution control and soil and water conservation functions of biochar to construct a sustainable farmland ecosystem and avoid secondary degradation.

The application provides a test pit with a function of preventing preferential flow caused by a side wall gap, comprising a test pit wall and a soil layer, the test pit wall forms an accommodation space, and the soil layer is arranged in the accommodation space, characterized in that at least one anti-seepage member is arranged on the inner side of the test pit wall, each anti-seepage member comprises a vertical flange arranged close to the inner side wall of the test pit wall, a horizontal flange extending towards the center of the test pit, and a flexible anti-seepage film connecting the vertical flange and the horizontal flange, the horizontal flange can be bent relative to the vertical flange to form a folded state or an unfolded state, and the anti-seepage member is arranged in the shallow soil layer close to the soil surface. The application prevents the preferential flow caused by the side wall gap by arranging the anti-seepage member.

The invention relates to a tool-changing system (10) for an agricultural soil-working machine, with a soil-working tool (20), a tool carrier (40) for carrying the soil-working tool (20), a tension lever (60) which can be brought into an operational tension state by elastic deformation, in which the tension lever (60) extends at least in sections to the rear of the tool carrier and in which the tension lever (60) tenses the soil-working tool (20) to the tool carrier (40) in an operationally reliable manner, and a locking member (80) which is movable relative to the tool carrier (40) and is designed to lock the tension lever (60) in the operational tension state in a locking position.

The application discloses a kind of cultivated soil sheet erosion degree evaluation method, it is related to soil erosion measurement technical field.The surface soil represents the soil after rainstorm erosion, the lower layer soil represents the soil before rainstorm erosion;Collect the soil sample of surface soil and lower layer soil;The gravel that cannot pass through sieve and the soil that can pass through sieve are weighed respectively;According to the average value P1 of gravel mass ratio in surface soil sample and the average value P2 of gravel mass ratio in lower layer soil sample, calculate the surface soil loss ratio P Δ With soil loss rate SE, according to soil loss rate SE evaluation soil sheet erosion degree.The application is based on the characteristics that the particle composition of cultivated soil is similar, and the gravel in gravel-containing soil is difficult to be eroded and transported by runoff, and the soil sheet erosion degree is evaluated by calculating the soil loss rate SE, so that the widely occurring sheet erosion can be quantified, and the regional soil and water loss evaluation is more accurate.

This invention relates to a method for improving arable soil by deep burying decomposed straw to prevent salinity and alkalinity. The method includes: 1) deep loosening of the soil, including deep loosening of the arable land to form trenches with a depth of not less than 45 cm; 2) straw filling, including evenly filling the trenches with pre-decomposed straw (approximately 6 days old) to form a biobarrier layer with a bulk density of 0.4-0.6 g / cm³; and 3) topsoil backfilling, including covering with topsoil to construct an improved arable soil with a low-salt, fertile upper layer and a salt-intercepting lower layer. This invention thoroughly breaks down the plow pan through deep burial (45-70 cm), constructing a long-lasting salt-blocking barrier, optimizing the thickness and compaction of the barrier layer, and achieving spatial separation of salt interception at depth and nutrient enrichment at the surface.

This utility model relates to the field of agricultural tillage machinery technology, and in particular to a leveling device for a tillage machine. It includes a support mechanism, a leveling mechanism, and a sieving mechanism. The leveling mechanism is located below the support mechanism, and the sieving mechanism is located between the support mechanism and the leveling mechanism. A sieve plate, which can be rotated up and down and is located on the front side of the leveling tube, is used to sieve out weeds, stalks, and hard objects in the paddy field. These sieved materials are accumulated on the upper side of the sieve plate, thereby reducing the accumulation of weeds, stalks, or hard objects on the front side of the leveling tube and preventing them from affecting the leveling effect. Simultaneously, the vibration generated by the rotating flexible shaft and multiple eccentric pendulums accelerates the flow speed of the mud on the front side of the leveling tube, allowing the mud to quickly fill the ditch areas in the paddy field.

This invention discloses a method for constructing a technical model for enhancing soil organic carbon using multiple organic materials. First, indoor simulation experiments are conducted to study the net carbon compensation effect of adding exogenous organic materials to the soil under specific regional climatic conditions, establishing a quantitative relationship between this effect and the amount of organic materials applied. Then, based on field trials conducted within the region, the optimal application ratio of different types of organic materials for increasing soil carbon and fertility while improving crop yield is determined. Finally, based on the target increase in soil organic carbon, a technical model is constructed to quantify the application amount of different types of organic materials. This invention is completely different from the traditional concept of soil organic fertilization. It can accurately assess the amount of different types of organic materials applied based on the target increase in soil organic carbon within a specific region and the type of exogenous organic material, achieving a quantitative increase in soil organic carbon. This method plays an important role in the transformation of low- and medium-yield farmland, the improvement of arable land quality, and the construction of high-standard farmland.

1. The name of the design product: the rotary tiller shaft of agricultural machinery. 2. The use of the design product: for ploughing. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The rear view is the same as the front view, and the right view is omitted.

This invention discloses a method and system for evaluating the suitability of arable land for mechanization transformation. It acquires the arable land to be transformed based on multi-source data, extracts image features of the arable land, establishes a suitability evaluation system for farmland mechanization transformation, and determines the objective weights of each indicator in the evaluation system based on machine learning methods to evaluate the suitability of arable land for mechanization transformation. It fully utilizes the rich and diverse ground feature information advantages of high-resolution remote sensing imagery, and achieves an objective evaluation of the suitability of arable land for mechanization transformation based on random forest classification and information processing by geographic software. This overcomes the shortcomings of traditional land suitability evaluation methods, such as insufficient comprehensiveness in the construction of the evaluation system and non-objective determination of indicator weights, saving workload in the early planning stage of farmland mechanization transformation projects and improving the efficiency of farmland mechanization transformation work.

The application relates to the technical field of soil remediation, in particular to a plowing type soil remediation device, which solves the problem that the plowing depth of the existing tool is fixed and cannot be changed because the plowing depth required by the plowing type soil remediation device is different due to different soil remediation degrees during use, and the device comprises a shell assembly, the outer surface of the shell assembly is provided with a plurality of splicing assemblies, and the outer end of the splicing assembly located at the outermost side is provided with a plowing assembly. The arc-shaped splicing plate is installed on the outer surface of the rotating wheel, and the plowing head is installed on the outer side of the arc-shaped splicing plate, so that the rotating wheel can plow the soil during rotation; the staggered clamping grooves and the staggered clamping blocks are matched, the staggered clamping blocks are inserted into the staggered clamping grooves, the two arc-shaped splicing plates are combined with each other, the plowing head can be installed at the outer end position of the arc-shaped splicing plate located at the outermost side, the plowing depth of the soil can be increased, and the device can adjust the required plowing depth according to different soil requirements.

The utility model relates to micro tiller technology field discloses a micro tiller rotary plough blade with grass crushing function, including main support, the main support is linked with connecting shaft through power assembly, the connecting shaft outer wall is linked with protection shell through installation component, the protection shell outer wall is fixedly connected with the baffle, the connecting shaft inner wall is fixedly connected with the pivot, the pivot outer wall is fixedly connected with a plurality of mounting supports, a plurality of the mounting support outer wall all are installed with arc plough blade, the pivot outer wall end portion fixedly connected with first weeding knife, the pivot outer wall fixedly connected with a plurality of second weeding knives. In the utility model, can break the weed at the same time of ploughing, avoid the situation that the weed is wound to power assembly to cause the jamming simultaneously, and simultaneously the blade is convenient to assemble, can be disassembled fast and is convenient for cleaning.

This invention discloses a novel carbon-based microbial organic soil conditioner, belonging to the field of soil improvement technology. It aims to solve the technical problems of existing conditioners, such as single-function effects, low microbial survival rates, poor long-term soil remediation effects, and insufficient nutrient utilization. The conditioner is composed of a modified carbon-based carrier, a composite functional microbial community, small-molecule organic carbon components, and synergistic ingredients in a specific ratio. This invention achieves a triple effect of improving soil physical structure, activating chemical nutrients, and regulating the biological microecology. It can improve microbial colonization and survival rates and nutrient utilization, passivate heavy metals and organic pollutants in the soil, enhance soil water and fertilizer retention capacity, realize the resource recycling of agricultural waste, and possess multiple values ​​of increasing yield and quality, soil remediation, and carbon sequestration. It is suitable for various farmland improvement and contaminated soil remediation scenarios.

This invention relates to the field of precision farmland monitoring technology, and discloses a UAV-satellite remote sensing fusion method and system for precision farmland monitoring. The method includes: inputting satellite aerial survey images and UAV aerial survey images; performing geometric and radiometric integrated preprocessing on the satellite and UAV aerial survey images to obtain preprocessed images after normalizing surface reflectance, vegetation index, and cloud and shadow masks; based on the preprocessed images, fusing seasonally unchanging land cover structures with the cloud and shadow masks through semantically stable structure screening to generate a stable and registerable domain. This invention outputs farmland monitoring fusion results that combine meter-level temporal continuity with centimeter-level spatial detail, achieving unified field-level precise identification and wide-area continuous monitoring under cloud cover and seasonal changes.

The application discloses a method for improving farmland soil by shallowly turning and returning straw to field to block saline-alkali, which aims at the problems of slow crop growth, low yield, limited improvement effect and the like of the traditional straw returning to field mode, constructs a 2-4 cm salt blocking layer by using straw at 15-18 cm, and loosens the soil above the salt blocking layer by using a rotary tiller, so that soil capillary is cut off, salt migration above 20 cm is avoided, and the potential entropy loss of the straw rotting, the different nutrient competition and the different nutrient release rate do not directly affect the germination and development of the initial corn seedlings, the straw returning to field amount is reduced, the soil salinization aggravation is maximally blocked, and the soil structure and fertility are improved. The method has the advantages of simple operation, easy popularization, good economic benefit and environmental benefit, and has important significance for improving the utilization rate of saline-alkali land and the agricultural production capacity.

The application discloses a farmland plot extraction method in African arid regions based on MAA-BCNet, which comprises the following steps: pre-processing satellite optical images, preparing samples, using RF+TOP-K method to screen spectral features, and using principal component analysis method for data dimension reduction; a MAA-BCNet model is built and trained, a training area and a test area are selected, an image is cropped, a label is prepared to make a data set, and the data set is balanced and enhanced; a double-encoder and a double-loss function are designed, and an AdamW optimizer is used in the model training process; axial attention and edge detection are designed for multi-scale feature fusion; a skip connection is used for up-sampling; and the farmland distribution in the African arid regions is predicted and mapped. The application saves the labor and time cost, guarantees the food safety in the African arid regions, solves the problem of fuzzy farmland plot edges in the arid regions, and provides important technical support for farmland management, agricultural irrigation and social sustainable development.

The application relates to the technical field of agricultural planting, and discloses a rotary cultivator with adjustable ploughing depth, which comprises a machine body, a depth adjusting mechanism and a rotary cultivator roller, the rotary cultivator roller is provided with a connecting mechanism and a nut limiter, and the rotary cultivator roller is connected with rotary cultivator blades through the connecting mechanism. The rotary cultivator with adjustable ploughing depth is provided with the connecting mechanism, the rotary cultivator blades are preliminarily positioned through the installation box blade installation groove, the oblique angle design of the blades and the butt joint blocks facilitates automatic avoidance during insertion, the spring of the reset device can push the butt joint blocks to be inserted into the butt joint grooves, simultaneously push the blades to the positioning blocks so that the blades are clamped into the positioning grooves, and the pre-fixing is quickly completed; when fastening, the nut limiter fixes the hexagonal nut through the limiting plate and the trapezoidal limiting block, only the bolt needs to be rotated to be locked; when disassembling, the blades can be released from the limiting after the bolt is loosened, two wrenches are not needed to be used by two persons, the operation process is greatly simplified, the blade replacement time is shortened, and the ploughing operation interruption time is reduced.