119 results about "Soil conditioning" patented technology

The invention provides a soil conditioner for improving soil hardening and a preparation method thereof, and relates to the technical field of soil conditioning. The soil conditioner is prepared by combining nano silicon dioxide, a straw retting material, a straw composite fermentation material, biochar, a water-retaining agent and modified starch. The straw composite fermented material is prepared by the following steps: crushing straws, mixing with sweet water, stirring, drying, carrying out microwave treatment, mixing with bacillus thuringiensis, fermenting, sterilizing, subsequently adding a composite microbial agent of bacillus subtilis, trichoderma and bacillus mucilaginosus, continuously fermenting, and drying. The modified starch is prepared by semi-gelatinizing corn starch and then carrying out microwave drying and shaping. According to the present invention, the defects in the prior art are overcome, the soil hardening phenomenon can be rapidly improved with the small addition amount, the soil porosity is increased, the activity and the diversity of the soil microorganisms are ensured, and the soil fertility is improved.

The invention belongs to the field of preparation of soil conditioners, and particularly relates to a soil loosening and root promoting soil conditioner and a preparation method thereof. A polymer formed by vinyltriethoxysilane, polyacrylic acid and coumarin under the catalytic action of citric acid is mixed with porous powder obtained after crushing and nutrient organic matter, and freeze-drying is performed to obtain the soil-loosening improved fermentation substrate which can be slowly released in soil; polyaspartic acid and acetylchitosamine are cross-linked under the catalytic action of N-hydroxysuccinimide, root-promoting nutrition powder and auxiliary root-promoting components are mixed, and the obtained composite root-promoting agent can significantly promote the growth of plant root systems; a porous structure contained in the protective stability maintaining agent can provide a relatively stable microenvironment for effective components, and the soil loosening and root promoting agent is mixed with the soil loosening and improving fermentation substrate and the composite root promoting agent, so that the prepared soil loosening and root promoting soil conditioner is remarkable in soil loosening and root promoting effect, long-acting and stable, small in dosage, obvious in effect and stable in conditioning effect after being stored.

The invention relates to a soil conditioner based on nitrification inhibition and a soil acid control method, and belongs to the technical field of soil conditioning, the soil conditioner comprises the following components by weight: 20-22 parts of humic acid, 32-36 parts of syringic acid-linoleic acid modified porous hydroxyapatite, 4-5 parts of complete nitrifying bacteria, 2-5 parts of syringic acid, and 2.8-4.2 parts of sodium carboxymethyl cellulose. According to the technical scheme, syringic acid and linoleic acid serve as nitrification inhibitors, the nitrification inhibition rate can be effectively increased, ecological niches of ammonia-oxidizing archaea and ammonia-oxidizing bacteria can be reduced through competitive occupation due to addition of complete nitrifying bacteria, the nitrification rate of the ammonia-oxidizing archaea and the ammonia-oxidizing bacteria is inhibited, and N2O emission is reduced. Humic acid and hydroxyapatite can be used as pH buffer substances to regulate and control soil acidity, aluminum toxicity can be relieved, and physical and chemical properties of soil can be improved; meanwhile, the complete nitrifying bacteria can be ensured to have relatively high activity under the condition that the pH is 5.5-6.5.

An ex situ electrokinetic system and method for decontaminating soils and other fine-textured media, including salt-contaminated soil, is disclosed. The system consists of a series of unit processes that continuously remove inorganic and organic contaminants yielding a final decontaminated product. The initial soil conditioning unit process produces a homogenous slurry saturated with a customised electrolyte. The next unit process uses electroosmosis and electromigration along with hydraulic pressure to move electrolyte and dissolved ions through the slurry. The contaminants are released into the electrolyte and are removed at the cathodes. The last unit process removes residual electrolyte and contaminants producing a final product suitable for land application or other uses.

The invention relates to the technical field of agricultural microbial fertilizers, and discloses a soil improvement microbial fertilizer and a preparation method thereof, the soil improvement microbial fertilizer is prepared from the following raw materials by weight: 5-8 parts of a composite microbial agent, 30-40 parts of a modified biomass carrier, 25-35 parts of a slow release nutrient matrix, 15-20 parts of a soil conditioning aid, 2-3 parts of a microbial synergist, 1-2 parts of an adhesive, and 3 parts of a coating liquid. According to the invention, dual protection of trehalose loading and xanthan gum-PVA coating is adopted, and the L-proline synergist is matched, so that microorganisms still can survive in a high-temperature and high-salt environment, the inhibition of a severe soil environment on the microorganisms is broken through, and the application range is wider than that of commercially available products.

Biodegradable growing media and soil conditioning compositions include nanocelluloses, such as carboxylated CNF, carboxylated LCNF, and carboxylated CNC, which serve as binding and / or wetting agents. Methods include mixing nanocelluloses with plant growth substrate materials. The compositions include the possible addition of monovalent, divalent, or trivalent inorganic salts that supply essential plant nutrients. These compositions can be processed into plug or mat forms suitable for supporting the germination and growth of crops. Carboxylated nanocellulose-based compositions can be directly applied as soil conditioners or amendments to enhance soil health and plant development.

The invention relates to the technical field of data processing, and provides a comprehensive intelligent evaluation method and system for a soil conditioning effect, and the method comprises the steps: obtaining the soil cadmium content, the crop cadmium content and the soil acidity and alkalinity of a plurality of soil samples of a plurality of soil types after multiple times of conditioning, and the conditioner cost of each time of conditioning; dividing the soil sample to obtain a plurality of pollution categories; according to the soil cadmium content change and change difference of the same soil sample after adjacent conditioning, the soil passivation degree of each soil sample under the soil cadmium content after each conditioning is obtained; the conditioning response degree of each soil sample under the soil cadmium content is obtained; the remediation contribution degree of each pollution category under the soil cadmium content is obtained; and obtaining the grey correlation degree of each evaluation index and other evaluation indexes in each pollution category, so as to construct a conditioning evaluation model. The invention aims to solve the problem of inaccurate evaluation caused by the fact that the influence of soil quality and pollution degree is not considered in the evaluation process of the soil conditioning effect.

The present invention relates to an assembly or kit for adjusting agricultural machinery for deep soil conditioning or soil decompaction processes with a variable depth setting, suitable for being incorporated into new or existing agricultural machinery, such as decompactors, subsoilers, chisel ploughs, paratill ploughs, weeders and the like, which is characterised in that it comprises a hydraulic control device interposed in the hydraulic circuit of said agricultural machinery, usually between the hydraulic fluid pressure pump and the actuators, which are usually hydraulic; and a programmable control device, which contains stored information about the ground to be worked, such as moisture, compaction level and other parameters of interest for the task, and which is programmed to determine the depth of penetration of the agricultural implement of the machinery into the soil based on said parameters.

1. The name of the design product: packaging bag (soil conditioner). 2. The use of the design product: a product packaging bag. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 top view has no design points, omit design 1 top view; Design 2 top view has no design points, omit design 2 top view; The bottom surface of the design product is not easy to see or not visible during use, omit design 1 bottom view; The bottom surface of the design product is not easy to see or not visible during use, omit design 2 bottom view. 6. Design 1 is designated as the basic design.

The invention discloses a coating processing device for soil conditioner production. The coating processing device comprises an outer cylinder, an inner cylinder, a rolling mechanism, an atomizing and spraying mechanism and a hot air cover, and the outer cylinder is obliquely arranged above a bottom plate through a supporting assembly; the inner cylinder is coaxially and rotatably arranged in the outer cylinder, and a first annular baffle is fixedly arranged on the inner wall of the inner cylinder; the rolling mechanism is rotationally arranged in the inner cylinder and connected with the inner cylinder through a transmission assembly, and the rolling mechanism and the inner cylinder are used for controlling the soil conditioner to roll in a staggered mode; one end of the rolling mechanism penetrates through the bracket and is connected with an air injection mechanism; the air injection mechanism is mounted on the outer cylinder; the atomization spraying mechanism is arranged between the two supports and located above the rolling mechanism. The hot air cover is arranged on the top of the outer cylinder. Therefore, staggered rolling of the soil conditioner is achieved through the inclined inner cylinder and the rolling mechanism, the air injection dispersion function is integrated, multi-direction mixing of the soil conditioner is achieved, and therefore the coating uniformity and effect are improved.

The invention discloses a selenium-rich rice mineral source soil conditioner and a preparation method thereof, and belongs to the technical field of soil conditioning materials. The conditioner comprises the following raw materials in parts by weight: 30-70 parts of biological activated yellow phosphorus slag, 1-1.5 parts of soluble selenium, 23-62 parts of an activating agent and 3-10 parts of a modifying agent. The method is characterized in that the biological activated yellow phosphorus slag is prepared by sequentially carrying out thermal activation and acid activation on yellow phosphorus slag and then carrying out solid-state fermentation by utilizing a compound microbial agent consisting of paenibacillus mucilaginosus, lactobacillus acidophilus and P.megatherium. Through unique biological activation modification, the industrial problems that a mineral source conditioner is low in granulation rate and slow in particle hardening and disintegration are solved in a synergistic mode, acid soil can be effectively improved, absorption and enrichment of rice on selenium are remarkably promoted, and high-added-value resource utilization of the yellow phosphorus slag is achieved.

The application discloses a kind of fertilizer dynamic mixing device with soil conditioner quantitative blending mechanism, including mixing box, two feed tanks, driving part and speed regulation mechanism;Mixing box is equipped with agitator inside, and bottom is equipped with openable and closable discharge port;Two feed tanks are respectively arranged in the top of the two sides of the mixing box;The side of the feed tank is equipped with feed hopper, and bottom is equipped with the distribution port being communicated with the inside of mixing box;The inside of the feed tank is equipped with distribution mechanism, and the material entered at feed hopper is put into the inside of mixing box according to certain speed;Driving part is connected with the distribution mechanism of two feed tanks respectively, and drives distribution mechanism to put material towards mixing box;Speed regulation mechanism is connected with the distribution mechanism of one feed tank, and is used to adjust the speed of distribution mechanism to put material.Solve the problem that proportioning precision is low, adjustment is inconvenient and continuous operation is difficult.

The invention relates to the technical field of soil conditioners, in particular to an efficient preparation method of a micro-nano biochar conditioner, which comprises the following steps: crushing and compressing raw materials, and heating under a nitrogen filling condition to obtain a biochar matrix; the preparation method comprises the following steps: ball-milling a biochar matrix, mixing the ball-milled biochar matrix with deionized water, sequentially carrying out stirring, ultrasonic oscillation and filter membrane filtration at room temperature, and then carrying out freezing and freeze-drying; when it is judged that the preparation of the micro-nano biological particles does not meet the preset standard according to the particle evaluation value, secondary judgment is conducted, or the reason for the preparation of the micro-nano biological particles does not meet the preset standard is determined; mixing the micro-nano biological particles meeting the preset standard with the bacterial suspension, and oscillating by using a shaking table according to a preset shaking table rotating speed, so as to obtain the micro-nano biological carbon conditioner; when it is judged that the preparation of the micro-nano biochar conditioner does not meet the preset standard according to the adsorption characterization value, the rotating speed of a shaking table is increased, or the centrifugal rotating speed is increased, and the product quality is improved.

The invention relates to the technical field of facility horticulture and plant nutrition regulation and control, and discloses a soil conditioning synergistic selenium-rich tomato cultivation method which comprises the following steps: applying nano mineral powder and a biological nano selenium nutrient solution after tomato transplanting and seedling recovering; the method comprises the following steps: carrying out physical conditioning on soil water content in a first fruit expanding period of tomatoes so as to construct a physiological premise of xylem flow blocking, and spraying a biological nano-selenium nutrient solution on leaf surfaces in the state; performing topping treatment in a time window from 12 hours to 24 hours by taking a spraying completion moment as a starting point, and physically removing a growing point at the top end of the plant; according to the method, through the synergistic effect of soil rhizosphere environment conditioning and plant physiological intervention, under the condition of not depending on a chemical chelating agent, the problem that the selenium element is transported to leaves in a one-way mode is solved, and the selenium element can be directly transported to the leaves; the efficient targeted pumping and enrichment of the selenium element from the leaves to the fruits are realized.

1. Name of the product in this design: Packaging bag (soil conditioner). 2. Purpose of this design: for product packaging. 3. The key design feature of this product is its pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This design is for a thin product, therefore the left view, right view, top view, and bottom view are omitted. 6. Other situations requiring explanation: Other explanation: The gray area in the rear view is transparent.

The invention discloses a method for oversummering remediation of drought alkaline cadmium polluted farmland soil based on sedum plumbizincicola. The method comprises the following steps: S1, land selection and preparation; s2, applying a soil conditioner; s3, branch selection and pruning; s4, cuttage and field planting; s5, carrying out sun shading; s6, field management; and S7, repairing effect evaluation. The invention provides a set of optimized over-summering cultivation management and cadmium reduction repair technical path aiming at the problems of low survival rate and poor growth of sedum plumbizincicola in a high-temperature drought and alkaline soil environment in summer in a drought area. By regulating and controlling illumination intensity, optimizing water and fertilizer management and applying soil conditioning in a matched mode, stress conditions such as strong light direct incidence in summer, high-temperature steaming and burning and rapid evaporation of soil moisture in the drought area are effectively relieved, and the survival rate and the cadmium removal amount of sedum plumbizincicola in the alkaline cadmium-polluted soil are increased. The technology provides a feasible new way for remediation of the cadmium-polluted soil in the drought region, and has important scientific value and wide application prospect.

The application belongs to the field of agricultural technology, and discloses a soil regulating device for preventing grassland soil degradation, which comprises a support frame, a suspension device, a side plate and a mud blocking plate, and a transmission device. The support frame supports the whole machine, ensures stability and durability; the suspension device is installed at the top end of the support frame and is used for connecting the device to a tractor or other power equipment, facilitating field movement and operation; the side plate is installed on one side of the support frame and is used for limiting the soil; the mud blocking plate is movably installed at one end of the support frame and is used for smoothing the surface of the loosened soil; the transmission device comprises a gear box, a transmission shaft and a reverser and is used for transmitting power from the tractor to the soil loosening component. The device is designed with double protection, effectively preventing dust from entering the inside of the rotating shaft and the support, reducing wear and tear and the risk of failure, prolonging the service life of mechanical components, at the same time, preventing dust from entering the connecting part of the rotating shaft and the transmission device, protecting the key components, ensuring the stable operation of the transmission device, improving the overall reliability and durability.

The invention provides a soil conditioning method and application thereof in rice planting, and relates to the technical field of soil remediation. The soil conditioning method comprises the following steps that S1, pretreatment is conducted, specifically, the contaminated soil is subjected to loose ploughing with the depth being 1.5-2.0 m, ploughing with the depth being 0.5-0.8 m is conducted for 2-3 times, and rotary tillage is conducted for 2-3 times; s2, application of a composite carrier conditioner: uniformly spreading the composite carrier conditioner on the surface layer of the soil according to 400-600kg / mu, and carrying out rotary tillage and uniform mixing at the depth of 0.5-0.8 m; s3, inoculation of an embedded compound microbial agent: uniformly spreading the embedded compound microbial agent into the soil according to 5-8 kg / mu; s4, rice planting, wherein rice seedlings are planted, and a silicon-rich leaf surface resistance and control agent is sprayed in the tillering stage and the heading stage of rice; s5, carbon sequestration and field returning: 10-15 days before the next season rice is planted, carbon sequestration plants are shallowly ploughed and returned to the field, and the shallow ploughing depth is 9-11 cm; according to the scheme provided by the invention, through a multi-step synergistic effect, the integrated target of soil remediation, safe planting of rice and ecological quality improvement is achieved.

The utility model discloses soil conditioner dosing equipment which comprises a material box, three sets of discharging ports are formed in the bottom of the material box, material guiding pipes are installed at the bottoms of the three sets of discharging ports, discharging pipes are arranged at one ends of the three sets of material guiding pipes, lifting cylinders are connected to the inner sides of the three sets of discharging pipes in a sliding mode, and the three sets of lifting cylinders are connected with a reciprocating motion mechanism. According to the soil conditioner feeding device, through the arrangement of the material guiding pipe and the discharging pipes, feeding of a soil conditioner can be facilitated, through the arrangement of the lifting cylinder and the reciprocating motion mechanism, timed and quantitative feeding of the soil conditioner can be controlled, and through the arrangement of the scattering mechanisms, the soil conditioner can be conveniently and rapidly fed. According to the soil conditioner feeding device, the caking soil conditioner can be prevented from blocking the discharging port, the blocking of the discharging pipe can be avoided through the anti-blocking mechanism, then manual lifting of the valve can be replaced through the arrangement to control discharging of the soil conditioner, the uniformity of the feeding amount is effectively improved, and manpower is saved.

The invention aims to protect a soil conditioner for extracting magnesium residues from dolomite and a preparation method of the soil conditioner. Residues left after magnesium metal is extracted from dolomite contain medium trace elements such as silicon, calcium, magnesium, iron and the like, and the residues are alkaline. The magnesium refining residues are separately granulated or mixed with dolomite / limestone to be granulated, and the magnesium refining residues are used as a soil conditioner, so that the pH value of soil is increased, the pollution of heavy metal cadmium can be reduced, and a certain yield increasing effect is achieved. According to the method, a large number of by-products generated in the magnesium smelting process are effectively recycled, and the residues are calcined, low in heavy metal content, safe and environmentally friendly. The adopted raw materials are mainly industrial waste residues, the waste residues are zero in cost and only need granulation cost, energy conservation and environmental protection are achieved, the price is greatly reduced, the acceptability of farmers is improved, and wide market space is achieved. Dolomite or limestone is added and forms a long-acting and quick-acting combination with refined magnesium residues, and the long-term soil conditioning effect can be achieved only through one-time application.

The utility model discloses an impurity removal synergistic device for soil conditioner production, which belongs to the technical field of impurity removal devices and comprises a shell, a conveyor belt rotatably arranged in the shell, a screen positioned on the lower side of the conveyor belt, a discharge hopper positioned on the lower side of the screen and two oppositely arranged pushing mechanisms, the two pushing mechanisms are arranged in the shell and located on the upper side of the screen. The dredging frame is arranged in the shell in a vertically movable mode and located on the lower side of the screen, and the dredging frame is matched with the screen and used for dredging the screen. According to the soil conditioner filtering device, a soil conditioner is pushed from one side of the screen to the other side of the screen, the soil conditioner is screened through meshes of the screen, and when large particles are clamped in the meshes of the screen, the screen is dredged through the dredging frame, so that the filtering efficiency of the soil conditioner is improved, the content of the produced soil conditioner is more accurate, and the quality of the soil conditioner is improved. The application is more convenient, and the effect is more prominent.

The utility model discloses a turning and throwing device for soil improvement, which belongs to the technical field of soil improvement devices and comprises a mounting main frame, two supporting seats are fixedly connected to the top surface of the mounting main frame, and mounting seats are fixedly connected between the inner walls of the two supporting seats. Threaded through holes are formed in the outer walls of one sides of the two mounting seats; the turning and throwing assembly comprises two inserting threaded rods, two mounting sleeves, a rotating rod, a main movable rod, a fixed frame, a ground breaking frame and a turning and throwing shovel, and the two inserting threaded rods are detachably connected into the corresponding threaded through holes through threads. According to the turning and throwing device for soil improvement, the supporting base is provided with the mounting base, the mounting base fixes the mounting sleeve, the fixing frame is provided with the soil breaking frame and the turning and throwing shovel, the whole components can be disassembled and replaced, express transportation is facilitated, meanwhile, the structure is simple, assembling and maintenance are facilitated, and small soil improvement operation is facilitated.

The application provides a soil conditioner for acidification soil remediation and a preparation method thereof, and belongs to the technical field of soil conditioners. The soil conditioner for acidification soil remediation is prepared from the following raw materials in parts by weight: 25-30 parts of mature organic matter, 15-23 parts of calcined alkaline residue powder, 20-30 parts of biochar-based composite material, 6-13 parts of microbial inoculum and 10-20 parts of bio-based adhesive. The soil conditioner for acidification soil remediation can improve the imbalance of acidification soil and relieve the acidification process.

The utility model relates to a saline-alkali soil conditioner slow-release structure, the saline-alkali soil conditioner slow-release structure comprises a bottle body, a moving part, an elastic driving part and a locking part are arranged in the bottle body, the moving part is in sliding connection with the bottle body in the extending direction of the bottle body, and a variable containing cavity is formed between the moving part and the bottle body; the elastic driving piece abuts against the bottle body and the moving piece so that the moving piece can move in the opening direction of the bottle body, and the moving piece is selectively locked to the bottle body through the locking piece. By means of the technical scheme, the saline-alkali soil conditioner slow-release structure has good slow-release performance, the utilization rate of the soil conditioner can be increased, and therefore the improvement effect of saline-alkali soil can be improved.

The invention discloses a degradable mulching film compounded with soil conditioning and mineral elements and a preparation process of the degradable mulching film, and relates to the technical field of crossing of ecological agriculture and green plastic functional materials. The material is prepared by compounding and granulating the following components in percentage by mass: 5.0%-10.9% of a natural inorganic mineral material, 2.5%-4.1% of a humic acid substance, 7.5%-9.5% of an ion exchange activated mineral, 2.5%-2.7% of a far infrared and terahertz functional mineral, 6.8%-12.5% of a filler and a modifier, and 70.0% of PEF or PLA degradable resin. Natural inorganic mineral materials, humic acid substances, ion exchange activated minerals and far infrared and terahertz functional minerals are mixed in proportion and processed into nano powder, and then the nano powder is compounded with PEF or PLA degradable resin, so that the mulching film has triple functions of soil improvement, micronutrient supplementation and mulching film covering at the same time; the problems that a traditional mulching film and an existing biodegradable mulching film are single in function, and soil conditioning and nutrition supplementing cannot be achieved at the same time are solved.

The utility model belongs to the technical field of soil adjustment, particularly relates to an all-terrain vegetable soil adjusting device, and aims to solve the problems that an existing soil adjusting device is single in function, has the defects of fixed soil loosening depth and non-adjustable position of a crushing blade, and is difficult to meet diversified soil adjusting requirements. According to the multifunctional soil loosening machine, accurate adjustment of the soil loosening depth is achieved through cooperation of the lead screw and the limiting rod, and the multifunctional soil loosening machine meets the requirements of multiple terrains and growth cycles; by adopting a radial adjusting structure, the crushing depth of the crushing blades is flexible and variable, and the soil permeability is effectively improved; and a stable transmission system is carried to ensure continuous and efficient operation under complex working conditions, the soil regulation efficiency is cooperatively improved through triple innovative design, a high-quality rhizosphere environment is constructed for vegetable growth, and double breakthrough of yield increase, quality improvement and operation reliability is achieved.

The invention relates to the technical field of microbial fertilizer preparation, and provides a microbial compound fertilizer for saline-alkali soil treatment and improvement and a preparation method thereof. The method comprises the following steps: co-culturing a plurality of microorganisms in an improved LB culture medium containing sodium chloride, carrying out 10 times of continuous passage domestication, screening out a stable combination, carrying out saline-alkali gradient domestication amplification culture on the screened stable combination, carrying out ultrasonic treatment and centrifugal concentration to obtain a compound bacteria solution, preparing an emulsion from a chitosan solution, the compound bacteria solution and a humic acid mixed solution, and carrying out freeze-drying to obtain the chitosan / humic acid composite bacterial fertilizer. The microbial compound fertilizer for saline-alkali soil treatment and improvement is obtained by carrying out double crosslinking on the raw materials through calcium chloride and glutaraldehyde to form microcapsules, granulating, pre-drying and drying the microcapsules, spraying an outer coating on the microcapsules, and mixing the microcapsules with decomposed sheep manure, monoammonium phosphate and the like. The screened saline-alkali tolerant flora can effectively adapt to saline-alkali stress environment, is high in survival rate, can effectively relieve saline-alkali soil stress, improves the vegetation survival rate and soil quality, and achieves the effect of soil conditioning and improvement.

The utility model relates to an angle-adjustable soil conditioner spraying device which comprises a spraying frame and a water storage tank, the water storage tank is arranged in the spraying frame, and an adjusting assembly used for adjusting the spraying angle of a conditioner is arranged at the top of the spraying frame. The adjusting assembly comprises a first connecting column, U-shaped plates, an adjusting plate, an annular plate, an adjusting frame, a clamping block, a pressing plate, a connecting plate, a spring and an anti-skid pad, the first connecting column is rotationally installed at the top of the spraying frame, the U-shaped plates are fixedly installed at the top of the first connecting column, the adjusting plate is rotationally installed between the U-shaped plates, and the annular plate is fixedly installed on the front sides of the U-shaped plates. According to the spraying device, a worker can conveniently and rapidly adjust the angle of the spray head through the arranged adjusting assembly, so that the conditions that operation is inconvenient and the adjusting plate needs to be continuously supported in the process that the adjusting plate is adjusted by the adjusting frame are prevented, and the angle adjusting efficiency of the spraying device is improved.

This invention relates to the field of soil conditioning or soil stabilizing materials, and discloses a hydrolyzed polysaccharide-biofilm soil protectant for initial soil conditioning and its application method. It utilizes a large amount of pectin-based hydrolyzed polysaccharides produced during the degradation of waste fruits and vegetables by microorganisms, including acid-producing bacteria, to rapidly aggregate soil particles, resisting wind and water erosion while allowing fungal hyphae to attach. Organic acids, as a byproduct, enhance mineral weathering and release nutrients from the minerals. Plant stem powder mixed into the soil along with waste fruits and vegetables is decomposed by fungi, and combined with nutrients released from the minerals and nitrogen-fixing bacteria regulating the carbon-nitrogen ratio, it maintains the growth of biofilm-producing bacteria, phosphorus- and potassium-solubilizing bacteria, etc., producing a biofilm to continue maintaining soil particle aggregation and releasing nutrients to maintain fertility, thereby supporting vegetation growth and maintaining organic matter supply and circulation. The combination of these factors achieves the improvement of initial soil conditioning without consuming large amounts of chemical agents and fertilizers.

The application provides a soil regulation measure parameter extraction method based on Meta analysis, and belongs to the technical field of water and soil conservation. The method screens relevant literatures from a database, and obtains experimental data in the relevant literatures by using a GetData tool, takes OpenMEE software as a tool to quantize logarithmic response rates of soil regulation measures to rainfall-runoff and soil moisture under different environmental factor conditions, then analyzes average effect values of the soil regulation measures to key water cycle elements, and quantizes influence contribution rate sizes of the soil regulation measures to rainfall-runoff and soil moisture amplitude changes of a slope surface before and after construction of typical soil regulation measures. The application makes exploration for improving farmland soil structure and reducing water and soil loss, and promoting water and soil conservation and sustainable development of agriculture.