432 results about "Soil surface" patented technology

The invention relates to a system and a method for synergistically and accurately collecting required and consumed water of crops. A wireless transceiver is mounted at the top of the upper water supply pipe, a soil surface water content sensor and a soil deep water content sensor are mounted on the lower water supply pipe, and a buried irrigation pipe is communicated with the lower water supply pipe between the soil surface water content sensor and the soil deep water content sensor; a crop bottom-layer temperature and humidity sensor and a crop top-layer temperature and humidity sensor are mounted on the upper water supply pipe, and the upper water supply pipe between the crop bottom-layer temperature and humidity sensor and the crop top-layer temperature and humidity sensor is communicated with a stem and leaf irrigation pipe; the water demand is more accurately obtained, comprehensive control is implemented, and corresponding buried irrigation or spray irrigation is started according to different water demand values during irrigation operation, so that the purpose of optimal water saving is achieved.

The invention relates to the field of intelligent breeding, in particular to an accurately-controlled intelligent breeding flower watering device. The problem to be solved is that in the breeding process, seedlings are inclined and bent during growth, and the quality of the seedlings is affected. According to the technical scheme, the intelligent breeding flower watering device capable of being accurately controlled comprises an incubator, a seedling raising ring and the like; a plurality of seedling rings are arranged on the incubator; according to the seedling raising device, a poke rod enters the inner side of the seedling raising ring to swing left and right in a small range, inclined seedlings are poked, the seedlings always grow towards the right upper position and the right center position, and it is guaranteed that the seedlings cannot incline during growth; the pushing sheet moves downwards to extrude the surface of the soil and drive the soil and the seedlings to move downwards, so that the soil and the seedlings fall off from the opened bottom plate to finish transplanting, and the transplanting time is effectively saved.

The present invention discloses a soil rotary tillage rear-throwing flame spraying high-temperature chain contact multi-stage inactivation method, comprising the following steps: S1, machine start-up, debugging, and advancement; S2, primary flame scattering inactivation; S3, secondary surface flame inactivation; S4, tertiary contact high-temperature inactivation; S5, quaternary surface high-temperature inactivation. The present invention provides a new inactivation method, which not only has four inactivation processes and an improved inactivation effect, but also provides a high-temperature chain contact inactivation mode for a heat-conducting hole chain. The heated heat-conducting hole chain is dragged as the machine advances, disturbs, and cuts into the soil surface, and the contacted soil is inactivated with high temperature. During the advancement of the heat-conducting hole chain, the contact area and contact time between the heat-conducting hole chain and the soil are increased, and the inactivation effect is greatly improved.

The invention relates to the technical field of intelligent detection, and discloses a T-SVAE feature extraction strategy and a method for improving near infrared spectrum soil rapidly available potassium measurement precision by using the T-SVAE feature extraction strategy, and the method comprises the following steps: step 1, collecting soil surface samples of different plots, obtaining near infrared spectrum data of the soil samples by using a Fourier transform near infrared spectrometer, and calculating the near infrared spectrum data of the soil samples; determining the actual content of quick-acting potassium in the soil sample by adopting a national standard method; the method comprises the following steps: 1, acquiring near infrared spectrum data, 2, preprocessing the acquired near infrared spectrum data, and removing impurity signals caused by instrument fluctuation, environmental interference and sample physical form difference, and 3, constructing a Transform and supervision constraint fused variational self-encoding model (T-SVAE). By constructing a variational self-encoding model fusing Transform and supervision constraint, the problem of feature blindness caused by high-dimensional data difficulty, nonlinear modeling limitation and unsupervised learning in near infrared spectrum data processing of a traditional feature extraction method is effectively solved.

The invention discloses a hydraulic fracturing ground stress testing device and method, and relates to the technical field of hydraulic fracturing, and the hydraulic fracturing ground stress testing device comprises testing equipment. According to the hydraulic fracturing ground stress testing device and testing method, through the design of testing equipment, a water source enters the water pump pipe from the water inlet pipe, water flow is sprayed outwards from the nozzle in the water pump pipe, so that the hydraulic fracturing effect is achieved, the rotating mechanism is driven to rotate through flowing of the water flow, and the effect of cleaning the inner wall of a pipeline through friction is achieved; the rubber pipe is extruded by sliding the packing top block on the packing base, so that the rubber pipe is extruded and deformed to be attached to the surface of soil, the packing effect on a test part is achieved, the silica gel column is arranged in the rubber pipe, the silica gel column has a certain supporting effect and prevents a part from being concaved inwards and collapsed, and the rhombic film is arranged on the outer side of the rubber pipe, so that the rubber pipe is prevented from falling off. Therefore, surface friction force of components is increased, service life of the components is prolonged, and friction load is dispersed.

The utility model discloses a rotary tillage, land leveling, seed rope laying and soil covering all-in-one machine for vegetable planting, which comprises a rack, a rotary tillage, a land leveling, seed rope laying and soil covering all-in-one machine, a seed rope laying and soil covering all-in-one machine and a rotary tillage, the rotary tillage mechanism is arranged at the front end of the rack, and the power input end of the rotary tillage mechanism is connected with a power source of the traction equipment through a gearbox arranged on the rack; the trowelling mechanism is arranged on the rack and located on the rear side of the rotary tillage mechanism; the soil block crushing mechanism is arranged on the rack, located on the rear side of the trowelling mechanism and used for crushing the large soil blocks after the large soil blocks are intercepted; the seed rope laying mechanism is arranged on the rack, and the wire outlet end of the seed rope laying mechanism is arranged on the rear side of the soil block crushing mechanism; and the soil covering and flattening mechanism is arranged at the tail part of the rack and is used for covering soil on the seed rope and flattening the soil surface.

The invention provides a rooter. The rooter comprises a machine frame and two hoeing units installed at the bottom end of the machine frame. The hoeing unit is mostly used for shallow ploughing a soil surface layer 5-15 cm away from the soil surface layer by adopting a coulter, and mostly, the blade part is used for transversely cutting surface soil and removing weeds along with the power, so that the purposes of loosening the surface soil, removing the weeds and reducing soil moisture evaporation are achieved, and the hoeing effect of the hoeing unit is improved. The shallow soil hardening is prevented; the coulter moves within the range of 5-15 cm away from the soil surface layer, in order to control the soil depth of the coulter, an adjusting unit is adopted for adjustment, the lower the ground clearance of the end of the rack is, the coulter is more and more deep into the soil, and on the contrary, the higher the ground clearance of the end of the rack is, the more and more close to the soil surface layer; the coulter is sequentially in contact with soil, transversely scrapes the soil, pries up surface soil and is finally lifted away from the bottom surface, hoeing action is completed, and then circulation is performed.

The invention discloses a soil surface moisture measurement sensor based on a phase detection principle, and relates to the field of soil moisture measurement, and the soil surface moisture measurement sensor comprises a single-chip microcomputer, a sensor main body and a plurality of probe groups; the plurality of probe groups are arranged in different soil layers; the single-chip microcomputer is used for outputting an acquisition signal and a gating signal. The sensor main body is connected with the single-chip microcomputer and is used for receiving an acquisition signal and a gating signal sent by the single-chip microcomputer, outputting a measurement signal according to the acquisition signal and controlling the probe group in the corresponding soil layer to be conducted according to the gating signal; the probe group is connected with the sensor main body and is used for outputting a feedback signal according to the measurement signal; the sensor main body is also used for obtaining a signal phase difference according to the feedback signal and the measurement signal; the single-chip microcomputer is further used for obtaining the soil water content according to the signal phase difference information The soil surface moisture measurement is realized, the multi-point soil moisture measurement efficiency is improved, and the soil moisture measurement cost is reduced.

The utility model provides a prefabricated channel relates to water conservancy engineering irrigation and drainage channel technical field. The prefabricated channel realizes the effective link of section through setting up support step and lap overstep at U type channel groove both ends, effectively avoids the dislocation of assembling lap joint and the damage of water stop, the joint of each section U type channel groove is constituted the combined type seepage prevention system by the joint surface sealing filler and the built -in water stop band, has improved the leakproofness and water stop effect of joint surface greatly, the top of channel groove adopts hidden type protection cover plate to cover, can strengthen the safety protection of irrigation and drainage channel, can slow down the silting of groove bottom obviously, is favorable to the later operation management maintenance, the wall body adopts the gradual expansion structure of overcurrent surface vertical, retaining soil surface inclination, can guarantee the overcurrent surface after the assembly of each adjacent U type channel groove is always even and straight, avoids the heterofacial convex, improves the flow state, U type channel groove adopts the whole prefabricated thin wall type structure, safe and stable, economic and practical, simple structure, can prefabricate or purchase the factory prefabricated product on the spot.

The invention discloses a land comprehensive improvement quality evaluation method and system based on big data, relates to the technical field of land resource management, and solves the problem of lack of effective quantification means for more critical ecosystem function indexes. The invention discloses a land comprehensive improvement quality evaluation method and system based on big data. The method comprises the steps that a remote sensing image module and an optical image module are used for collecting image data of soil surface vegetation; uploading the acquired image data to a cloud platform through a data network, and establishing a soil surface vegetation optical evaluation index database; the carbon dioxide monitoring module and the oxygen monitoring module are used for monitoring the carbon dioxide concentration and oxygen near the vegetation on the soil surface in real time. According to the method, a soil surface vegetation carbon sequestration evaluation index database is established to calculate vegetation net primary productivity, biomass and carbon utilization efficiency, the vegetation net primary productivity, biomass and carbon utilization efficiency are summarized through a software program, and an ecological quality comprehensive index of soil surface vegetation is given.

The invention discloses a contaminated soil remediation device, and belongs to the technical field of soil remediation devices.The contaminated soil remediation device comprises a neutralization reaction mechanism, the neutralization reaction mechanism comprises baffles fixed to the two sides of the bottom end of a cart, a first motor is fixedly installed on each baffle, and an output shaft of each first motor penetrates through the corresponding baffle and extends to a rotary drum; a second motor is installed at one end of the side wall of the rotary drum, an output shaft of the second motor is connected to the first rotary teeth, first gear plates distributed in a staggered mode are in meshing transmission in the length direction of the first rotary teeth, buckets extending to the outside of the rotary drum are installed on the first gear plates, and the adjacent buckets are fixedly connected through a cross beam. The technical problems that in the neutralization reaction, lime powder is usually in a powdery form, can only make contact with the surface of soil and cannot make effective contact with soil on the lower layer, then full proceeding of the neutralization reaction is affected, and the soil acidity remediation effect is not facilitated can be solved.

This invention discloses a robot for reducing "stunted seedlings" obstacles in soda-saline-alkali soil. To overcome the problem of mechanical inaccessibility during the canopy-closing stage of rice cultivation in soda-saline-alkali soil, this robot was developed. It includes a chassis kit, two transmission kits, two main shaft kits, two sets of flexible walking wheel perforation and oxygenation kits, two sets of non-flexible walking wheel perforation and oxygenation kits, and a control kit. The advantages of this invention are: the flexible walking wheel perforation and oxygenation kits use spring damping to adapt to uneven soil surfaces; the perforation and oxygenation needles are retractable, allowing for switching between non-working and working modes; and the two main shaft kits are independently driven, enabling robot steering. These designs allow the robot to operate within soda-saline-alkali soil, preventing mechanical sinking, reducing "stunted seedlings," and increasing rice yield in soda-saline-alkali soil.

The invention discloses a soil texture detection device, and relates to the technical field of soil texture detection, the soil texture detection device comprises a base, a soil collection assembly and a detection assembly, the soil collection assembly comprises a spiral blade, an adjusting mechanism, a clearing mechanism and a screening mechanism; the detection assembly comprises a conveying channel, a temperature detector, a humidity detector, a pH value detection mechanism and a detection box. According to the invention, the arranged clearing mechanism passively rotates along with the rotation of the spiral blade, so that the clearing mechanism removes large impurities on the surface of soil and prevents the impurities from entering the collecting cylinder, and meanwhile, the arranged screening mechanism screens out fine impurities in the soil, so that the detection assembly is protected from being worn while the purity of an initial sample is ensured; and the conveying channel guides the screened soil to sequentially pass through the detection components, so that the temperature detector, the humidity detector and the pH value detection mechanism respectively detect the temperature, the humidity and the pH value of the soil, and meanwhile, different reagents are placed in the detection box so as to further detect the components of the soil.

The utility model discloses a soil erosion measuring device and relates to the technical field of measuring devices. The device comprises measuring rod bodies, a top seat and a placing box are arranged at the top ends of the multiple sets of measuring rod bodies, a blocking door is arranged on one side of the top seat and one side of the placing box, and a door lock is arranged on one side of the blocking door and used for closing and locking the blocking door and the placing box. According to the soil erosion measuring device, the placing box is arranged on one side of the top seat of the multiple groups of measuring borer main bodies, the range finder is arranged in the placing box, and the range finder measures the distance between the top ends of the measuring borers and the soil surface in real time through the transparent plate arranged at the bottom end of the placing box; working personnel can also reduce the soil erosion degree through data transmitted by the range finder, and inconvenience and complexity of traditional manual measurement are changed.

The utility model discloses a pesticide spreading device for cultivated land pollution treatment in the technical field of cultivated land pollution treatment, which comprises a rack mounted on a tractor, a pesticide spreading pipe mounted on the rack, a spray head arranged on the pesticide spreading pipe, a stock bin arranged on the rack and communicated with the pesticide spreading pipe, and the spray head arranged on the stock bin is communicated with the pesticide spreading pipe. The machine frame is provided with a lifting assembly used for adjusting the pesticide spreading height. The problems that according to an existing pesticide spreading device, only a repairing agent can act on the surface layer of soil, the repairing agent can not act on deep soil, and due to the fact that the deep soil is not loose enough, the number of microorganisms is small, and the decomposition speed of the microorganisms to pollutants is low are solved.

The coal rock upper layer loosening device comprises a control platform, a paving plate, a passing cylinder boss provided on the paving plate, liquid application pipelines and passing rail bead rods respectively provided on both sides of the passing cylinder boss, a through opening provided at the center position of the passing cylinder boss, and liquid storage fixing pipes provided at the bottom ends of both sides of the paving plate. The device further comprises a soil breaking and embedding pipe, which comprises an embedding pipe, a positioning tip provided at the bottom end of the embedding pipe, and a needle cavity provided in the embedding pipe. The positioning of the control platform and the ground fixation are used to perform small-range and accurate and efficient soil loosening operation on the upper layer of coal rock. The soil loosening is omnidirectional and periodic, and is more efficient. Unlike the prior art which directly damages a large area of the ground, the device is suitable for soil loosening work without affecting the soil surface layer and the roof.

The application provides an acid soil improvement method, comprising the following steps: step one, measuring soil pH, mixing the soil sample to be measured with carbon dioxide-free water, stirring and standing until precipitation, and then measuring the pH of the supernatant by using a pH meter; step two, determining the amount of the improvement agent, pre-setting the soil pH, and determining the application amount of any one of Ca(OH)2, CaO and CaCO3 according to a calculation formula; and step three, an application method, crushing lime, sieving, uniformly spreading on the surface of soil, and then rotary tilling the soil to fully mix the lime with the soil; the application only needs to measure one index of soil basic pH, and then the required application amount of lime can be obtained by substituting the pre-set target pH into the formula; the application is accurate, scientific, efficient, convenient and economical; and the lime should be applied once every 2-3 years to achieve the purpose of long-term improvement of acidification of red soil.

The utility model discloses a soil pollution abatement device based on microbial remediation technology, comprising: a main body unit comprising a work box and a conveying assembly, the work box is symmetrically provided with a rectangular opening and two connecting ports, the conveying assembly penetrates through the two connecting ports, and the conveying assembly is provided with a placing groove body; and the repairing unit comprises a liquid storage box, a connecting box and a mounting frame, and the liquid storage box is fixedly mounted on the upper end face of the working box. The harrow rod teeth are inserted into soil in the containing groove body, repairing liquid medicine is discharged from the liquid outlet holes, the gear motor is started, the output end of the gear motor drives the threaded rod to rotate, the threaded rod drives the moving rod to move through the threaded sleeve, the moving rod drives the mounting frame and the harrow rod teeth to move, and therefore the harrow rod teeth can turn over the soil in the containing groove body; and therefore, the remediation liquid medicine can be sprayed on the soil at the lower end, and the remediation effect on microorganisms in the soil is improved.

In one aspect, a system for monitoring disc conditions of an agricultural implement includes a disc configured to penetrate through a soil surface during the performance of an agricultural operation, and a soil density sensor configured to generate data associated with a post-operation soil density of soil positioned aft of the disc relative to a direction of travel of the agricultural implement. In addition, the system includes a computing system communicatively coupled with the soil density sensor. The computing system is configured to monitor the post-operation soil density based on the data received from the soil density sensor, and determine an operating condition of the disc based at least in part on the post-operation soil density.

The invention discloses a desertified soil restoration method based on microorganism mineralization induction and moss-algae crust, which comprises the following steps: crushing soybeans, and dissolving the crushed soybeans in water to obtain a soybean urease crude extract; adding desert green algae and drought-enduring moss into the cementing liquid prepared from the travertine for later use; the algae crust cementing liquid is obtained; the method comprises the following steps: preparing a soybean urease crude extracting solution, uniformly mixing the soybean urease crude extracting solution with desertification soil needing to be recovered, adding a moss-algae crust cementing solution into the surface layer of the mixed desertification soil, and curing for a period of time to realize the solidification of the desertification soil and the moss-algae crust on the surface layer. On the basis of microorganism mineralization induced sand stabilization, the bryophyllum crust is further applied to the soil surface to enhance the compressive strength of the soil surface, so that the strength of the desertification soil can be effectively recovered, and meanwhile, the bryophyllum crust also enables the desertification soil to be covered by moss and algae again, and the nutrients and environment of the soil are recovered.

The invention relates to the technical field of contaminated soil remediation, and discloses a contaminated soil remediation pretreatment device and method, the contaminated soil remediation pretreatment device comprises a remediation table, and a vibration bottom plate is movably mounted in the remediation table through a vibration mechanism. During use, contaminated soil is placed in the remediation table and is borne through the vibration bottom plate, when the sliding mechanism drives the U-shaped sliding plate to do horizontal reciprocating motion, remediation liquid can be evenly sprayed to the surface of the soil through the spray head, through the cooperation effect of the sliding mechanism and the vibration mechanism, the vibration bottom plate can vibrate in a reciprocating mode, and caked soil can be conveniently beaten; meanwhile, through the cooperation effect of a guide mechanism and an extrusion mechanism, when a U-shaped sliding plate moves to one end of the repairing table, the operation height of a longitudinal soil turning mechanism and the operation height of a transverse soil turning mechanism can be automatically switched, and the operation states of the different soil turning mechanisms are achieved in cooperation with a driving mechanism; the continuity and the treatment effect of the pretreatment of the polluted soil are greatly improved.

The invention discloses a method for measuring the precipitation rate of Rn-220 on a soil surface in a closed-loop manner. The method comprises a measurement process and a calculation process, the measuring process comprises the steps that the radon collecting cover is inversely buckled on the surface of soil to be measured, the RAD7 radon measuring instrument and the fan are started, and when the numerical value of the RAD7 radon measuring instrument is stable, data measured by the RAD7 radon measuring instrument after the system is stable are recorded. The calculation process comprises the following steps: calculating the radon concentration on the surface of the soil by the RAD7 radon measuring instrument, calculating the Rn-220 concentration at the inlet of the RAD7 radon measuring instrument, calculating the Rn-220 concentration in the internal chamber of the RAD7 radon measuring instrument, calculating the Rn-220 concentration in the radon collecting cover according to the Rn-220 concentration in the internal chamber of the RAD7 radon measuring instrument, and correcting the Rn-220 concentration measured by the RAD7 radon measuring instrument to obtain the actual Rn-220 concentration in the radon collecting cover. And calculating the soil surface Rn-220 precipitation rate according to the Rn-220 concentration in the internal chamber of the radon measuring instrument and the actual Rn-220 concentration in the radon collecting cover. According to the calculation method disclosed by the invention, factors which exist in the measurement device and influence the measurement precision are processed, so that the precipitation rate of the Rn-220 is improved, and a basis is provided for effective processing of the Rn-220 in the next step.

This utility model provides a ridging and piling machine, comprising: a body assembly, a ridging device, a piling device, a collecting device, and a stabilizing component. The body assembly consists of a frame, the ridging device consists of a crossbeam and sliding seats, with two symmetrically distributed sliding seats slidably connected to the surface of the crossbeam. The piling device includes a collecting trough, with a limiting mechanism below the collecting trough. The collecting device is fixedly installed to the bottom of the frame, and the stabilizing component is located at the tail end of the frame. This application uses the body assembly for ridging and piling operations in the field, scraping away gravel from the soil surface while traction is applied. The collecting device can guide and collect gravel, and the soil can be finely crushed and discharged. After combing, it can be filled onto the ridges. The piling range can also be adjusted according to the height of the ridging, simultaneously achieving soil leveling, ensuring the structural strength of the ridged ridges, preventing soil erosion during rainy weather, and adjusting the pressure of the rollers according to the soil compaction, thus improving the performance of the ridging and piling machine.

The present application relates to a kind of natural conditions under the estimation method of superuranic nuclide resuspension release source term.This application obtains the environmental characteristic parameter of the place of contaminated area, calculates the related parameter of superuranic nuclide pollution condition, calculates the surface covering layer factor of contaminated area soil, calculates the resuspension release source term of superuranic nuclide, can start from the characteristics of soil environment, nuclide characteristics, natural condition three aspects, based on the mass load theory of particulate matter, using the release flux of particulate matter in contaminated area soil and the level of radioactivity concentration in soil, the resuspension release source term of superuranic nuclide is calculated, realizes the resuspension release amount of superuranic nuclide in soil environment pollution under natural conditions is scientifically and accurately evaluated.

The invention provides a rock-soil surface infinitesimal displacement detection method and device, a terminal and a medium, and is used for detecting the displacement of rock-soil on which targets are arranged in a gridding mode, and the method comprises the following steps: obtaining a target image set, camera parameters and target arrangement position information, the target image set comprises a plurality of target images and a plurality of shooting times for shooting the target images; obtaining image point displacement information according to the target image set; target displacement information is obtained according to the image point displacement information, the target arrangement position information and the camera parameters; target displacement compensation amount information is obtained according to the camera parameters and the target arrangement position information; and obtaining a displacement cloud picture according to the target displacement information and the target displacement compensation amount information. The precision of rock-soil monitoring is improved, the dynamic monitoring of rock-soil is realized, and the system compatibility and expansibility of a rock-soil monitoring mode are improved.

A row cleaner assembly includes an upper subframe mounted to an agricultural planter forward of the planter row unit and longitudinally aligned with the trench opening assembly. A lower subframe rotatably supports first and second row cleaner wheels. An intermediate subframe is pivotally connected at a forward end to the upper subframe and is pivotally connected at a rearward end to the lower subframe. A first and second linkages are pivotally connected at a forward end to the upper subframe and are pivotally connected at a rearward end to the lower subframe. An actuator system is capable of applying a downforce and an optional lift force to the lower subframe. The row cleaner assembly may include a gauge wheel supported by a rear strut subframe. The row cleaner assembly may include a depth selector to change the depth of penetration of the row cleaner wheels into the soil surface.

[Problem] The present invention provides a surface-treated member which uses a steel material as a starting material and is capable of exhibiting excellent corrosion resistance even in soil at a depth of about several cm from the soil surface. [Solution] A surface-treated member according to the present invention comprises: a steel material that serves as a base material; and a protective layer that is positioned on the surface of the steel material. The protective layer has a Zn concentration of not less than 5.00 mass% but less than 30.00 mass%, an Si concentration of not less than 5.00 mass% but less than 25.00 mass%, and contains SiO2 and a Zn / Al-based carbonate type layered double hydroxide.

The utility model discloses a high-stability reinforcing pile foundation assembly for civil engineering, which relates to the technical field of civil engineering, and comprises a pile foundation main body, the middle part of the outer wall of the pile foundation main body is sleeved with a limiting cylinder, the bottom end of the limiting cylinder is fixedly connected with a reinforcing cylinder, the side wall of the reinforcing cylinder is fixedly connected with a reinforcing plate, and the top end of the reinforcing plate is provided with an annular groove; according to the high-stability reinforcing pile foundation assembly for civil engineering, through the arrangement of the limiting barrel and the reinforcing barrel, the periphery of the pile foundation body can be limited and supported, the supporting force on soil and a soil layer is enhanced, the stability of the pile foundation body is improved, and the stability of the pile foundation body is improved. The conditions of loosening and inclining on the surface layer of soil are avoided, the arranged reinforcing plate can be buried into the surface layer soil to reinforce the loose land on the surface layer, in this way, the pile foundation body penetrating into the reinforcing plate is more stable, and the arranged reinforcing nails can be further inserted into the ground to reinforce the reinforcing plate.

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 discloses an image preprocessing and deep learning fused post-tillage soil surface straw identification method, and relates to the technical field of image identification, and the method comprises the following steps: S1, collecting a post-tillage soil surface image, and carrying out the preprocessing; s2, inputting the preprocessed image into an improved recognition model, and performing straw feature extraction and segmentation; and S3, outputting a model segmentation result, and calculating the straw coverage rate. According to the method, a prior image is generated based on a fixed threshold segmentation method of color distance, soil background interference is reduced, an improved recognition model is designed, and the precision and robustness of straw segmentation are improved.