82 results about "Soil governance" patented technology

The invention relates a treatment and utilization technology of saline soil resources, in particular to a treatment and utilization method of muddy seashore saline soil. The method comprises the following steps of: establishing a water supply system consisting of a fresh water well, a water pump and a water supply pipe; excavating a salt leaching drainage ditch so as to establish a drainage salt leaching system; applying a cow dung and crop stalk fertilizer and a phosphogypsum soil and fertility improving fertilizer; with a small raised field as unit, irrigating fresh water to wash and leach salt; and planting and maintaining vegetation through cultivating the land by machine, sunning the upturned soil, planting the vegetation and irrigating the vegetation, wherein a planting technology with gradient increasing salt tolerance is adopted in planting the vegetation. According to the invention, for the salinity and structural characteristics of the muddy seashore saline soil, the muddy seashore strongly salined soil in the coastal zone is treated and utilized in combination with engineering measures, physical measures and chemical measures on the basis of salt tolerant plant appraisal; and The treatment and utilization method of the muddy seashore saline soil provided by the invention has the advantages of simplicity in operation, resource conservation, soil treatment and utilization cost of less than 166.21 yuan / m2 and plant survival rate of more than 90%.

The invention discloses a composite soil remediation agent made from compost and a preparation method. Vigorous implementation of soil remediation is a primary task for protecting soil ecological environments and solving land resource scarcity. The composite soil remediation agent made from the compost comprises, by weight, 60-70 parts of compost materials, 10-15 parts of straw biomass charcoal, 20 parts of coal ash, 2-5 parts of zeolite powder, 3-5 parts of calcium magnesium phosphate fertilizer, 0.5-2 parts of composite microbial agents and 0.5-1 part of binder. The composite soil remediation agent and the preparation method have the advantages that the substances are combined organically, formula and production process are optimized reasonably, the composite soil remediation agent with functions of fertilizing, purifying and remediating the soil and promoting crop growth and development is provided for soil remediation, and accordingly, healthy, green and sustainable agriculture is promoted. The composite soil remediation agent is applied to soil remediation as well as biofertilizer and waste resource utilization.

The invention discloses an environmental safe and efficient treatment device for soil pollution. The environmental safe and efficient treatment device for the soil pollution includes a feeding pipe, acrusher, a processing box, a medicine spraying tank, a spray row, shaking plates, a heater, an inclined guide plate, a ultraviolet lamp and an ozone generator. The feeding pipe is arranged at the topend of the processing box, the crusher is arranged in the processing box, and one sides of the shaking plates are hinged to the inner wall of the processing box. The top end of the processing box isprovided with the medicine spraying tank, the medicine spraying tank is communicated with the spray row through a transfusion pipe, and the heater and the ultraviolet lamp are arranged on the inner wall of the processing box. A second cam is arranged in the processing box, a lifting plate is arranged directly above the second cam, and a plurality of sets of oscillating plates are uniformly arranged on both sides of the lifting plate. The side wall of the processing box is provided with the ozone generator, and the bottom end of the processing box is provided with the inclined guide plate. Thepolluted soil is sterilized and germicidal, the breeding and the transmission of harmful bacteria are avoided, the safety is improved, at the same time, the oxidation decomposition of organic matter is guaranteed, the effect of soil treatment is improved, the structure is simple, the use is convenient, and the environmental safe and efficient treatment device is beneficial to popularize.

The invention discloses a farmland greening hardened soil remediation restoration device, and belongs to the field of soil restoration. The farmland greening hardened soil remediation restoration device comprises a soil restoration box; the middle internal part of an upper part box body of the soil restoration box is fixedly connected with a blanking box; the internal part of the left side of theblanking box is fixedly connected with a first crushing gear; the middle internal part of the left side box body of the blanking box is fixedly connected with a fixing slide block; the horizontal direction middle internal part of the fixing slide block is contacted with a top rod through contact connection; the left end of the top rod is fixedly connected with an extruding plate; the left side surface of the extruding plate is fixedly connected with a second crushing gear; the second crushing gear and the first crushing gear are arranged in a misalignment manner; the right end of the top rod is connected with a cam through contact connection; the back side of the center of the cam is connected with a third motor. The farmland greening hardened soil remediation restoration device is used for double crushing of hardened soil, the crushing effect is excellent, restoration liquid sprayed using spray nozzles can be contacted with soil fully, and it is beneficial for soil restoration.

The invention provides a soil pollution vertical detection device, belongs to the technical field of soil treatment, and solves the technical problems that an existing detection device is inaccurate in detection result, easy to damage and the like. The soil pollution vertical detection device comprises a lifting mechanism, a plurality of detection mechanisms are arranged on the lifting mechanism, each detection mechanism comprises a drill rod, a cavity is formed in a rotating rod, a rotating shaft is rotationally connected in the cavity, the upper end of the rotating shaft extends out of the cavity, the upper end of the rotating shaft is connected with the lifting mechanism, and a plurality of sets of rotating sleeves which are symmetrical vertically are arranged on the rotating shaft. The rotating sleeve is rotationally connected with the rotating shaft, symmetrical telescopic rods are fixed to the outer side of the rotating sleeve, the other end of each telescopic rod is connected with a sampling barrel, the outer side of each telescopic rod is sleeved with a tension spring, and a plurality of eccentric wheels matched with the sampling barrels are arranged on the rotating shaft. The device has the advantages that stratified sampling is realized, the accuracy of the detection result is improved, and the detection part is protected.

The invention discloses a large-capacity restoration device for saline-alkali soil treatment, which comprises a support seat, a support frame is connected to the left side of the upper end of the support seat, a motor plate is connected to the left upper end of the support frame, a swing motor is installed on the top of the motor plate, and the right end of the swing motor is A reducer is connected, the right end of the reducer is connected with the driving shaft, the upper end of the support seat is connected with the L-shaped bracket on the right side, the upper end of the L-shaped bracket is connected with the limit block, the middle part of the limit block is hinged with a tie rod, and the lower end of the left side of the pull rod is connected with a screw, the screw The lower end is connected with a load-bearing block, the lower end of the load-bearing block is connected with a cover plate, the middle part of the L-shaped bracket is connected with a driven shaft, the middle part of the right end of the driven shaft is connected with a winding wheel, and a repair bucket is connected between the driving shaft and the driven shaft. A rotating shaft is provided, and a repair fluid tank is provided outside the lower end of the rotating shaft. The present invention realizes stirring and pulverizing the soil while adding soil remediation liquid, which meets the requirement of upper and lower soil during large-capacity soil remediation.

The invention discloses a deep soil remediation device. The deep soil remediation device comprises a soil taking device, a mixing device and a frame, wherein the soil taking device is arranged on theleft side of the frame and comprises a lifting barrel, a rotating shaft is arranged in the lifting barrel, and a spiral blade I is fixedly connected with the lower part of the rotating shaft; the mixing device is arranged on the right side of the soil taking device and comprises a mixing box. According to the deep soil remediation device, deep soil is lifted up by the lifting barrel, the screw-inspiral blade and the mixing box, then the soil is smashed and mixed by smashing blades and a spiral blade II in the mixing box, so that chemical and soil are sufficiently mixed, and soil disinfectioneffect is improved; a discharge pipe and an electromagnetic valve are arranged, therefore, the mixed soil is backfilled, and soil remediation efficiency is improved.

The invention discloses environmental-protection soil pollution sterilization equipment. The equipment comprises a feed pipe, a crusher, a treatment box, a medicament spraying tank, a spraying row, ashaking plate, a heater, a stirring motor, stirring blades, an inclined guide plate, universal wheels, a discharge pipe, a ultraviolet lamp and an ozone generator; the feed pipe is arranged at the topend of the treatment box; the crusher is arranged in the treatment box; one side of the shaking plate is hinged with the inner wall of the treatment box; the medicament spraying tank is mounted at the top end of the treatment box, and communicates with the spraying row through an infusion pipe; the heater and the ultraviolet lamp are mounted on the inner wall of the treatment box; the stirring motor is arranged in the treatment box; the ozone generator is arranged on the side wall of the treatment box; the inclined guide plate is arranged at the bottom end of the treatment box; and the discharge pipe is arranged at the lowest end of the inclined guide plate. The equipment disinfects and sterilizes polluted soil to prevent breeding and propagation of harmful bacteria inside to improve safety, meanwhile, guarantees oxygenolysis of organic matters, improves the soil treatment effect, is simple in structure and convenient to use, and facilitates popularization.

The invention belongs to the technical field of soil bioremediation, particularly relates to a method for remedying soil of a coal mining area, and discloses a method for achieving plant-microorganismcombined remediation on soil of a coal mining area. According to the method, trisetum bifidum seeds are exposed to the sun, soaked and sprouted, then the sprouted trisetum bifidum seeds are sown in aplug containing a seedling grow matrix for emerging and seedling grow, then a mixed bacterium agent formed by acidithiobacillus ferrooxins, trametes versicolor and glomus coronatum is applied, afterthe polluted soil of the mining area is leveled, improved and ditched, seedlings are buried in ditches for soil return seedling covering, field management is carried out, and after growing for 90-120days, the seedlings are harvested. Through the method, after one or more times of planting, the physicochemical indexes of the soil of the coal mining area can be obviously improved to reach the normal standard, a new way is provided for soil control of wide coal mining areas, and wide application prospects are achieved.

The invention provides a method for combining microorganisms with a curing agent to remediate heavy metal contaminated soil. The method comprises the following steps: mixing magnetotactic bacteria with heavy metal contaminated soil, irrigating the heavy metal contaminated soil which is mixed with the magnetotactic bacteria, setting magnetic fields on the heavy metal contaminated soil, collecting the heavy metal contaminated soil containing the magnetotactic bacteria, leaching the heavy metal contaminated soil, and re-filling the heavy metal contaminated soil; embedding a porous hard plastic capsule containing the curing agent into the heavy metal contaminated soil subjected to adsorption treatment by the magnetotactic bacteria, culturing the porous hard plastic capsule for 20-25 days, then, taking back the embedded porous hard plastic capsule; and repeating the steps in a circulating mode until content of the heavy metals in the soil reaches the safety standards. The method for combining microorganisms with a curing agent to remediate heavy metal contaminated soil disclosed by the invention belongs to in-situ remediation, is simple to operate, low in cost, good in remediation effect, capable of directly removing heavy metal ions without causing secondary pollution on the soil, and suitable for large-area contaminated soil governance.

The invention relates to the technical field of soil treatment, in particular to a polluted soil environment-friendly treatment screening device and a using method thereof. The invention aims to solve the problems of incomplete soil crushing and too single disinfection and sterilization means. In order to solve the technical problem, the polluted soil environment-friendly treatment screening device is composed of a grinding mechanism and a disinfection and sterilization mechanism, a feeding pipeline, a first steel plate and a second steel plate are arranged, and large soil blocks are prevented from slipping between two rolling rollers. Therefore, the labor force for manually crushing large soil blocks is reduced; by arranging an ultraviolet germicidal lamp, a medicament box and an ozone generator, crushed soil can be further disinfected and sterilized, and the survival probability of agricultural plants is increased; and by arranging a first vibration motor, a second vibration motor, a third vibration motor and an electric heating plate, soil is heated and prevented from being coagulated into blocks, and later smashing is facilitated.

The invention belongs to the technical field of soil treatment, in particular to an efficient scarification device for soil treatment. The efficient scarification device aims at solving the problem that soil cannot be uniformly treated by directly spraying a liquid chemical reagent on the surface of the soil. According to the following scheme, the efficient scarification device comprises a base and two driving wheels, wherein compression rods are rotatably connected to the ends, far away from the driving wheels, of the two sides of the base, and fixing blocks are welded to the middle parts ofthe upper surfaces of the compression rods; the outer walls of the fixing blocks are sleeved with damping springs, a same round rod is rotatably connected between the lower ends of the two compressionrods, a rectangular hole is formed in the middle part of the upper surface of the base, and a driving box is fixed above the rectangular hole through bolts; and a diesel engine and two bearing seatsare correspondingly fixed in the driving box through bolts. According to the efficient scarification device, when the soil scarifying depth needs to be temporarily adjusted in the soil scarifying process, the in-soil depth of an arc-shaped soil scarifying plate can be adjusted only by pressing armrest rods downwards, so that the flexibility in the soil scarifying process is conveniently and quickly improved.

The invention discloses a replacement type rapid remediation method for saline-alkali soil, and belongs to the technical field of soil governance. According to the replacement type rapid remediation method for the saline-alkali soil, a plurality of uniformly distributed magnet blocks are embedded in the soil of the saline-alkali soil, then semi-extending semi-embedded replacement balls are embedded in the surface of the soil, and water delivery lines on the semi-embedded replacement balls are magnetically attracted by the magnet blocks, so that the water delivery lines are forced to be vertically distributed in the soil and spread downwards; the semi-embedded replacement ball is filled with the replacement soil subjected to modification treatment, and finally remediation liquid is scattered into the soil, so that on one hand, the remediation liquid repairs the soil and improves the soil quality, and on the other hand, the remediation liquid is absorbed by the water delivery lines and conveyed into the semi-embedded replacement balls after salt and alkali are dissolved; then metal cations such as sodium ions are adsorbed through the replacement soil, and efficient adsorption is accelerated by promoting the movement of replacement moving balls in the replacement soil, so that the metal ions are transferred in a mode of actively replacing the metal ions from the soil, and rapid and efficient remediation is realized.

The invention provides a multifunctional soil treatment and remediation facility. The multifunctional soil treatment and remediation facility comprises a handle, a rotating rod, a trolley frame, a water spraying switch, a selective switch, a graduated scale, a perforating machine, a flatness measuring rod structure, a mud scraping plate structure, an anti-skid wheel, a wheel axle, a soil remediation pump, a soil remediation wheel structure, a wheel base, a driving belt pulley, a driving motor and a V belt. The handle is connected to the upper right end of the rotating rod in a threaded mode, and the left lower end of the rotating rod is connected to the right side of the interior of the trolley frame in a coupling mode. The right side of the water spraying switch and the right side of theselective switch are embedded into the upper right portion of the obverse surface of the rotating rod from top to bottom. According to the multifunctional soil treatment and remediation facility, theincluded angle between every two adjacent soil remediation poking rods is set to range from thirty-five degrees to forty-five degrees, each soil remediation poking rod specifically adopts a stainlesssteel rod with a folded head at one end and external threads at the other end, and the length of each soil remediation poking rod is set to range from ten centimeters to fifteen centimeters; and a plurality of soil remediation poking rods are arranged, hard soil lumps in the soil can be rapidly remediated and flattened, and the remediation effect is guaranteed.

The invention belongs to the field of environment-friendly treatment equipment, particularly relates to environment-friendly treatment equipment for contaminated soil, and aims to solve the problems that existing soil treatment equipment is poor in portability, inconvenient for direct treatment in soil, low in treatment efficiency and poor in soil treatment effect. The equipment comprises two fixing plates, a top plate is fixedly mounted at the tops of the two fixing plates, two support plates are fixedly mounted at the bottom of the top plate, the same fixing sleeve is fixedly mounted at the bottoms of the two support plates, an opening is formed in the bottom of the fixing sleeve, rotating holes are formed in the inner walls of the two sides of the fixing sleeve, connecting rods are rotatably mounted in the two rotating holes, and the ends, close to each other, of the two connecting rods are fixedly provided with a same soil turning roller. The soil treatment equipment is reasonable in structure, convenient to operate, good in portability, capable of facilitating direct treatment in soil, high in treatment efficiency and good in soil treatment effect.

The invention relates to the technical field of agriculture, and in particular, relates to an agricultural soil treatment and remediation device. The invention aims to provide the agricultural soil treatment and remediation device which can realize uniform remediation and can improve the remediation efficiency. According to the technical scheme, the agricultural soil treatment and remediation device comprises a vehicle frame, walking wheels and a soil turning mechanism; the walking wheels are rotationally mounted on the two sides of the vehicle frame, and the soil turning mechanism is arranged on the side, away from the two walking wheels, of the vehicle frame. Soil in a field can be loosened through the soil turning mechanism, and remediation liquid can be conveniently and fully mixed with the soil and scattered in the field through cooperation of a conveying stirrer and a feeding mechanism, so that the soil in the field can be uniformly remedied, the soil in the field does not need to be remedied again, and thus, the soil remediation efficiency can be improved.

The invention discloses a soil control and remediation device capable of breaking soil effectively, comprising a stirring box; support devices are respectively arranged at the left and right sides ofthe lower end of the stirring box; a first rotation shaft is arranged in the middle of the stirring box, the lower end of the first rotation shaft is connected with the bottom of the stirring box through a first bearing rotationally, the upper end of the first rotation shaft penetrates the top of the stirring box and is provided with a first gear, and a plurality of stirring rods are arranged in the middle of the first rotation shaft. Different remediation solutions are contained in a first remediation solution box and a second remediation solution box in advance; users can spay one of the remediation solutions during soil stirring if only one of the solutions is needed for soil remediation; if needing co-action of the different types of solutions, users can full mix the solutions througha remediation solution mixing box in advance, thereby making full use of the solutions to repair soil thoroughly, and preventing poor soil remediation effect due to the fact that two or multiple different solutions cannot be mixed with soil uniformly.

The invention discloses a soil remediation device capable of enhancing a soil remediation effect. The soil remediation device comprises a mixing box, wherein the top of the mixing box communicates with a feeding hopper; a first driving motor is fixedly connected to the surface of the mixing box; a driving shaft is fixedly connected to one end of an output shaft of the first driving motor through acoupler; one end of the driving shaft penetrates through the surface of the mixing box and extends into an inner cavity of the mixing box; and the surface of the driving shaft is rotationally connected with the inner cavity of the mixing box. The invention belongs to the technical field of soil remediation. According to the soil remediation device capable of enhancing the soil remediation effect,during mixing, soil is preliminarily crushed through a crushing wheel and is further smashed through a first stirring frame, and at the moment, remediation liquid is sprayed out through water spraying holes in the surface of a first annular liquid supplementing pipeline, so the soil is mixed with the remediation liquid for remediation when being further smashed, the soil and the remediation liquid can be fully mixed, and absorption effect is better; and the device is easy to operate and convenient to use.

The invention belongs to the technical field of soil remediation, and discloses a remediation method and system for saline and alkaline land soil contamination. The system comprises a soil collectingmodule, a data processing module, a soil data comparison and classification module and a visualization module. Meanwhile, the invention discloses the remediation method. According to the remediation method and system for saline and alkaline land soil contamination, through the method including the steps of soil field studying, soil information collecting, soil treating, surface soil removing, soilexchanging, soil discharging, deep ploughing and ripping, acidic fertilizer applying, soil improving through crop planting, drainage ditch digging, scientific managing, scientific irrigating, fertilizer selecting and water quality improving, the steps are linked with one another from field studying to treatment implementing, measures are taken according to local conditions, and therefore the saline and alkaline land soil contamination treating success rate is greatly increased; in addition, the scientific education link is added in the end, and the land contamination speed is decreased from the source.

The invention relates to territorial resource treatment, and concretely relates to a soil treatment and remediation device capable of improving soil remediation and improvement efficiency. An excavating device comprises an excavating bucket arranged at the left end of the bottom of the rack, the excavating bucket comprises a bottom plate, vertical plates are arranged at the front end and the rearend of the bottom plate, and excavating teeth are arranged at the left end of the bottom plate; and one ends of first connecting rods are hinged to a rack, the other ends of the first connecting rodsare hinged to the left parts of the vertical plates, one ends of transmission connecting rods are in transmission with a power device, and the other ends of the transmission connecting rods are hingedto the right parts of the vertical plates. The rack, rolling wheels, the power device, an excavating device and a soil improvement and remediation liquid spraying device are matched to make the soilimprovement and remediation liquid spraying device continuously spray, a soil improvement and remediation liquid medicine is sprayed to soil before excavation, and after the power device drives the excavating device to excavate the soil, the soil improvement and remediation liquid spraying device continues to spray the excavated soil, and the amount of soil absorbing the soil improvement and remediation liquid can be increased, so the soil remediation and improvement efficiency is greatly improved.

The invention discloses a soil pollution treatment device and a using method. The soil pollution treatment device comprises moving wheels, supporting columns, a base plate, a handle, a side supporting plate, a soil turning device, a partition shell, a partition plate, a mixing bin and a bulldozing assembly, wherein the supporting columns are symmetrically arranged below the base plate, the moving wheels are arranged below the supporting columns and at the top of the side supporting plate, the mixing bin is arranged at the top of the base plate, and the handle is arranged at the upper end of the side face of the side supporting plate, the soil turning device is arranged on the side face of the mixing bin, the partition shell is arranged on the bottom face of the inner wall of the mixing bin, the partition plate is arranged in the partition shell, and the bulldozing assembly is arranged below the partition plate. The invention belongs to the technical field of soil treatment, and particularly relates to the soil pollution treatment device which sprays a mixed solution to the position of soil which is being turned through the mixing bin, increases the contact area and the contact amount of the soil and the mixed solution, and after the turned soil falls, the sprayed mixed solution still exists below the turned soil and the using method thereof.

The invention relates to the field of agricultural equipment, and discloses an intelligent agricultural soil treatment machine. The machine comprises a bearing bracket, a processing mechanism, a poking mechanism and a rolling mechanism, a walking mechanism is arranged at the bottom of the front end of the bearing support. A storage box is arranged at the top of the front end of the bearing bracket; the processing mechanism is mounted at the top of the rear end of the bearing bracket; a connecting bracket is arranged at the bottom of the rear end of the bearing bracket; the connecting support is of an L-shaped structure, and the top end of the connecting support is fixedly connected with the bearing support. The poking mechanism is mounted on the connecting bracket; a guide wheel is arranged at the rear end of the connecting bracket; the rolling mechanism is mounted on the poking mechanism and is positioned between the poking mechanism and the guide wheel; according to the soil treatment machine, soil and liquid medicine can be mixed, the soil remediation effect can be achieved without centralized collection and repeated transfer of the soil, the soil at different depths can be stirred and treated according to needs, and the practicability of the equipment is improved.

The invention discloses a soil remediation device, and in particular relates to a centrifugal soil remediation device. The centrifugal soil remediation device comprises an ultrasonic stirrer, a filter sieve and a charge pipe, wherein the ultrasonic stirrer is sequentially provided with a functional chamber and a stirring chamber from outside to inside; the ultrasonic stirrer also comprises an ultrasonic generator arranged in the functional chamber, and a feed pipe and a liquid inlet pipe which are connected with one end of the stirring chamber; the filter sieve comprises a circular screen, a rotating shaft arranged in the center of the circular screen, and a rotary motor connected with the rotating shaft; a spacer plate is arranged in the middle of the filter sieve, and the circular screen is divided into a use cavity and a cleaning cavity by the spacer plate; the use cavity is connected with the charge pipe and the stirring chamber in a matching way, and the cleaning cavity is internally provided with a flushing device; the other end of the charge pipe is connected with a centrifugal tube of a centrifuge. The centrifugal soil remediation device is capable of automatically cleaning large objects and residual branches and leaves in soil, so as to prevent damage and channel blockage caused by the large objects and the residual branches and leaves which enter the centrifuge.

The invention belongs to the technical field of soil remediation, and relates to a soil remediation and treatment method. The soil remediation and treatment method comprises the steps of physical soil turning, phytoremediation, bioremediation, chemical improvement and maintenance treatment. An existing soil remediation and treatment mode is relatively single, and meanwhile, a simple accumulation comprehensive treatment mode is carried out, as a result, the treatment effect is still limited. According to the soil remediation and treatment method of the invention, in the phytoremediation process, square partitions are arranged, and strip-shaped ditches are dug, so that the survival conditions of solanum nigrum for remediation of the heavy metal cadmium are ensured; a mulching film is paved, so that the absorption rate of the solanum nigrum to the heavy metal cadmium is improved by improving the survival temperature of the solanum nigrum; and a soil heavy metal cadmium content distribution cloud picture is generated through monitoring, so that an interplanting mode is adjusted in real time, and the application effect of the soil remediation and treatment method is stabilized.

The invention provides a plant database for heavy metal contaminated soil remediation, and belongs to the environmental protection field. The method comprises the following steps: screening and collecting hyperaccumulator information of a database to be established as comprehensively as possible to improve the screening capability; preparing to make a database as a background plant information base of required database acquisition information so as to make preparations for subsequent data calling; preparing a scheme and formulating a repair type, and according to different topographies and landforms, making a relatively detailed treatment scheme, and classifying; and producing a database, searching required data information according to the database, artificially screening, carrying out planting experiments and manual planting for increasing the planting efficiency, and meanwhile, correcting data regularly. By preparing the required database for retrieving the soil pollution treatment,retrieval service can be conveniently provided for follow-up governers in the later metal soil treatment process.

The invention relates to a slow-release fertilizer capable of reducing the content of heavy metal ions in soil and a preparation method thereof. The slow-release fertilizer adopts sodium sulfide, polyvinyl alcohol, aluminum nitrate nonahydrate, magnesium nitrate hexahydrate, lignin and urea as reaction raw materials , a slow-release fertilizer with sulfur-containing hydrotalcite and lignin as carriers was prepared. The sulfur ions in the slow-release fertilizer can form water-insoluble sulfide precipitation with heavy metal ions, so as to reduce the content of migratory heavy metal ions in the soil. release function. The dual-function fertilizer can reduce the environmental pollution caused by excessive heavy metal ions in the soil and reduce the cost of soil treatment while not affecting normal agricultural production.

The invention provides a novel environment-friendly soil detection regulation and control method and system, which relate to the technical field of soil regulation and control. The method comprises the following steps of dividing a target environment image into a plurality of target area images by utilizing a clustering analysis method, and preprocessing any target area image, and determining a target sample area by using preset feature elements to extract a target sample, acquiring soil parameters of the target area, and constructing a judgment matrix according to the soil parameters, based on the judgment matrix, analyzing the soil parameters by using a single factor index method to obtain a soil quality evaluation result, comparing the soil quality evaluation result with a preset soil quality index to obtain a standard exceeding parameter and a corresponding parameter value, and inputting the standard exceeding parameters and the corresponding parameter values into a preset soil analysis model to obtain standard exceeding factors, and determining a regulation and control scheme according to the standard exceeding factors. Therefore, different soil regulation and control schemes are selected in a targeted manner according to soil texture requirements and soil characteristics of different target areas, and a good soil treatment effect is achieved.

The invention relates to a method for planting rice by sand, and belongs to the technical field of operation methods for desert ecological restoration. The method includes the following technologicalsteps: rice variety selection; planting pond production; field ridge setting; anti-seepage layer laying; nutrient layer laying; sand filling; water management; and later-period nutrient and water management in a conventional method. The method for planting rice by sand is reasonable in design. Compared with the prior art, the method adopts the combination of anti-seepage water sand and a water retaining agent, and at the same time, a sludge layer and a seedling culture substrate layer are laid on an anti-seepage layer, the process of 'earth making by the nature' is fully imitated, the sandy soil becomes soil, and the problems that sandy soil moves easily and it is difficult to retain water and store nutrients are solved fundamentally, the soil is more suitable for plant growth, the shape of the sandy soil is fundamentally improved, and sandy soil governance is performed. Natural moisture, nutrients and air are provided for rice planting to achieve the effect of water retention and fertilizer conservation. At the same time, the desertification problem of soil can be effectively repaired during repeated planting.

The invention relates to soil remediation equipment. The soil remediation equipment comprises a soil excavating mechanism, a spherical processing chamber and a driving device; the soil excavating mechanism comprises an annular ring and multiple excavating blades which are uniformly arranged at the outer surface of the annular ring; multiple through holes are formed in the annular ring; the through holes are located between two adjacent excavating blades; the spherical processing chamber is located in the annular ring; the top end and the bottom end of the spherical processing chamber are communicated with a soil inlet and a soil outlet respectively; the two sides of the bottom of the spherical processing chamber are provided with lead blocks; the outer wall of the spherical processing chamber is slidably connected to the inner wall of the annular ring, and the annular ring can rotate around the spherical processing chamber; the driving device comprises a hollow rotating shaft and a motor which drives the hollow rotating shaft to rotate; the hollow rotating shaft penetrates through the spherical processing chamber, and the outer wall of the hollow rotating shaft is slidably connected to a housing of the spherical processing chamber.

The invention relates to the technical field of mechanical equipment, in particular to environment-friendly soil salinization treatment equipment which can be used for comprehensively treating salinized soil, can conveniently and uniformly scatter chemical substances into the soil, conveniently enables the chemical substances to be in comprehensive contact with the soil, improves the soil treatment effect, saves the physical strength and time during manual operation, improves the working efficiency, and improves the practicability and the reliability. The environment-friendly soil salinizationtreatment equipment comprises a mounting table, an arch-shaped baffle, a mounting frame and two sets of connecting plates; the arch-shaped baffle is mounted at the outer side of the bottom of the mounting table, the mounting frame is located above the mounting table, adjusting devices are arranged at the left side and the right side of the bottom of the mounting frame, and the bottoms of the twoadjusting devices are mounted on the mounting table; and the bottoms of the two sets of connecting plates are rotationally mounted at the left rear side and the right rear side of the top of the mounting table correspondingly.