331 results about "Plant soil" patented technology

The invention discloses a rhizosphere deposited carbon flux real-time monitoring method adopting a sensor array, and relates to the technical field of soil carbon cycle monitoring, and the method comprises the steps: determining a layered sampling depth and a horizontal concentric circle partition range based on the three-dimensional distribution characteristics of a target plant root system, and mapping the layered sampling depth and the horizontal concentric circle partition range to a preset three-dimensional grid coordinate system; gas sensors and environmental parameter sensors are deployed according to root system partitions, and a multi-dimensional sensor array is constructed. Through the three-dimensional grid coordinate system and the root system density gradient model, accurate spatial mapping of rhizosphere carbon flux is realized, high matching of sensor layout and root system biomass distribution is ensured by utilizing division of vertical layering and horizontal concentric circle partition, and the gas sensor and the environmental parameter sensor are cooperatively deployed, so that the reliability of the system is improved. The device can capture instantaneous changes such as root exudate pulse and microbial respiration, generates a continuous and consistent carbon flux data set, and provides a high-resolution dynamic observation basis for researching plant-soil-microbial interaction.

The invention belongs to the technical field of biological control, and particularly relates to a pseudomonas flax DY-31 strain, a biocontrol microbial inoculum and application of the biocontrol microbial inoculum. The preservation number of the pseudomonas lini (Pseudomonas lini) DY-31 is CGMCC (China General Microbiological Culture Collection Center) No.34088. The pseudomonas lini (Pseudomonas lini) DY-31 is The pseudomonas flax DY-31 or the biocontrol inoculant thereof is applied to prevention and treatment of plant soil-borne diseases, specifically including peanut black rot, peanut southern blight, peanut sclerotinia rot, peanut leaf rot sclerotinia rot, peanut basal rot and wheat stem basal rot. The pseudomonas flax DY-31 provided by the invention is an important strain resource, can be used for creating a biopesticide preparation, and is used for green prevention and treatment of soil-borne diseases of peanuts and wheat. In addition, the DY-31 strain also has various growth promoting functions, and has important development and application values in the aspects of agricultural biological control and plant growth promoting.

The invention discloses a greenhouse tomato water-saving and quality-improving planting method with cooperation of shallow-buried drip irrigation and biochar, and the method comprises the following steps: detecting greenhouse tomato planting soil, and conditioning the soil texture according to a detection result; laying a drip irrigation system on the conditioned soil, and laying a soil monitoring network; based on the established dropper system and the soil detection network, tomato seedlings are planted, and initial moisture management is carried out on the tomato seedlings after planting; after the tomatoes survive after field planting, performing staged irrigation and water and fertilizer integrated management according to the requirements of the tomatoes in different growth stages; performing charcoal rhizosphere activation and function regulation on the tomatoes in the growth period; real-time data of a greenhouse environment and a soil monitoring network are integrated, an intelligent irrigation decision model is established and operated, and a dynamic optimization irrigation scheme is implemented; and carrying out oxidation and ecological improvement on the soil after tomato harvesting. The tomato planting quality can be improved, and the soil health condition can be improved.

The invention discloses a carbon source and sink accounting method based on flux observation, an ecological system carbon reserve accounting system and a flux observation carbon source and sink accounting system are established, and the ecological system carbon reserve accounting system obtains carbon reserves of plants, soil, water and ground mud based on a sample point investigation method to estimate the carbon reserves of the ecological system. Estimating regional carbon reserves in combination with remote sensing survey; the flux observation carbon source sink accounting system is based on the constructed wetland carbon sink monitoring system and monitors data in real time; regional ecological system carbon reserve dynamic accounting is carried out by combining sample plot investigation with a carbon sink model and a remote sensing image technology, compared with the prior art, long-term fixed observation sample plots are set from multiple angles of lake wetland water, soil and gas generation, and Hongze lake wetland carbon sink observation data acquisition is carried out; and carrying out parameter adjustment and correction by utilizing a modern technical means and a large model technology, carrying out Hongze lake carbon sink model construction, and realizing Hongze lake carbon sink value accounting.

The invention belongs to the technical field of soil improvement and solid waste resource utilization, and provides a method for preparing regenerated planting soil by compounding sludge hydrothermal carbon with muck and application, and the regenerated planting soil is prepared by preparing hydrothermal carbon from sludge and compounding engineering muck, the sludge hydrothermal carbon, a fungicide and an organic material. The mass ratio of the optimized engineering residue soil to the sludge hydrothermal carbon to the microbial inoculum to the organic material is 7: 0.5: 2.5, preparation of the regenerated planting soil can be completed within 10 days, the parameters of the obtained regenerated planting soil are that the pH value is 7.17, the organic matter content is 31.30 g / kg, the hydrolytic nitrogen content is 769.35 mg / kg, the available phosphorus content is 113.36 mg / kg, the available potassium content is 505.16 mg / kg, and the related requirements of the CJ / T340 planting soil standard are met.

The invention discloses a tobacco leaf quality improving method and system based on planting soil management. The method comprises the following steps: firstly, acquiring historical soil quality and root growth data of a tobacco plant, and analyzing root growth preferences under different soil conditions by using a clustering algorithm to form soil quality-preference data; combining the soil quality data of the target planting area to construct a root growth probability distribution map, and predicting root distribution according to the planting target; determining the arrangement position of a soil monitoring sensor according to a prediction result, and establishing a monitoring network to realize real-time acquisition of soil substance change; and finally, adjusting and managing nutrient substances in the tobacco planting process according to the monitoring data. According to the method, the adaptability of root systems and soil is improved, nutrient supply is optimized, balanced growth and stable quality of the tobacco leaves are promoted, and therefore tobacco leaf quality improvement and planting benefit optimization are achieved.

The utility model relates to the technical field of plant cultivation and plant interaction research, and discloses a root exudate in-situ collection device for xerophyte soil cultivation, which comprises a root-soil isolation system, an exudate collection system and a layered water supply system, the secretion collecting system comprises a collecting box, the bottom of the side wall of the collecting box communicates with a collecting bottle through a third guide pipe, and a third valve is installed on the third guide pipe; the root system-soil isolation system comprises a culture box body, the culture box body is placed in a collection box, water-permeable holes are uniformly distributed in the bottom of the culture box body, and a soil layer prepared by wrapping a soil matrix with an isolation film is placed in the culture box body; the layered water supply system comprises a lower-layer water supply module and an upper-layer water supply module, the lower-layer water supply module is used for supplying water from the lower layer of the collecting box to maintain the humidity of the soil layer, and the upper-layer water supply module is used for leaching the tested plants from the top of the collecting box. The device can achieve the effects of avoiding physical disturbance to root systems, supporting in-situ and continuous collection of secretions and improving the collection rate.

The utility model belongs to the field of sponge city construction, and particularly relates to a rainwater garden system for sponge city construction, a permeation area in a foundation pit of the rainwater garden system sequentially comprises a water storage layer, a covering layer, a planting soil layer, an artificial filler layer, a sand layer and a gravel layer from top to bottom, and the high porosity of water storage ceramsite is utilized, so that the water purification and storage performance is good; through mutual cooperation of all the layers, rainwater is effectively purified and stored, and the water quality and the water storage amount of the rainwater garden system are improved. In addition, the rainwater garden system is simple in structure and convenient to construct and maintain in the later period.

The invention relates to the technical field of grape planting, and particularly discloses an intelligent soil loosening device for improving a grape planting soil structure, the intelligent soil loosening device comprises a mounting shell, the bottom of the mounting shell is fixedly connected with multiple groups of universal wheels, and the universal wheels are uniformly distributed at the bottom of the mounting shell; a first connecting support is fixedly connected to the top of the mounting shell, a handle is fixedly connected to one side of the first connecting support, the part, located on one side of the first connecting support, of the top of the mounting shell penetrates through and is fixedly connected with a deep ploughing device, and a connecting groove is formed in the part, located on one side of the deep ploughing device, of the side face of the mounting shell. A first water pump is fixedly connected to the part, located on one side of the deep ploughing device, of the top of the mounting shell, the intelligent soil loosening device for improving the grape planting soil structure solves the problem that soil turning operation cannot be conducted on deep land, meanwhile, pesticide can be sprayed into the soil while soil turning is conducted, the soil turning efficiency is improved, and the pesticide and the soil are evenly mixed.

The invention discloses application of bacillus subtilis ZY56 in prevention and treatment of plant soil-borne diseases, and belongs to the technical field of plant protection. In order to solve the problem that in the prior art, efficient, safe and environment-friendly prevention and treatment measures are lacked in production of soil-borne diseases, the invention provides a strain of bacillus subtilis ZY56 with the preservation number of CGMCC No. 36896; the bacillus subtilis ZY56 provided by the invention has a broad-spectrum antagonistic effect on various soil-borne diseases, also has growth promoting potential, has the characteristic of high biological safety, is harmless to the environment, people, livestock and crops, and meets the requirements of green agriculture and sustainable development.

The utility model provides an Acanthopanax sessiliflorus planting soil humidity detection device, and relates to the technical field of Acanthopanax sessiliflorus planting soil humidity detection devices, the Acanthopanax sessiliflorus planting soil humidity detection device comprises a humidity detector, one side surface of the humidity detector is provided with a protection mechanism, the protection mechanism comprises a fixed pipe, the inner part of the fixed pipe is sleeved with an extrusion ring, and the extrusion ring is provided with a clamping groove; the extrusion ring is slidably connected with the fixing pipe, a guide block is connected into the fixing pipe in a sleeved mode, the guide block is slidably connected with the fixing pipe, and the guide block is fixedly connected with the extrusion ring. According to the humidity detector, the detection rod of the humidity detector is protected by arranging the protection mechanism, meanwhile, soil humidity detection of the detection rod is not affected, the fixed pipe is arranged and covers the detection rod, and then the fixed pipe can enter the soil along with the detection rod, so that the purpose of protecting the detection rod is achieved, and the detection rod is prevented from being damaged. Meanwhile, soil can enter the fixing pipe.

The utility model relates to the technical field of traditional Chinese medicinal material digging, in particular to a traditional Chinese medicinal material digging device with protection structures, which comprises digging swing beating-scattering protection teeth, digging soil turning teeth, two driving structures and a fixed connecting block, the digging swing beating-scattering protection teeth are mounted on the digging soil turning teeth, and the two driving structures are fixedly mounted at two ends of the digging soil turning teeth in a clamping and embedding manner. The digging and soil turning device can be installed on a mechanical arm of an excavator, and traditional Chinese medicinal materials and planting soil are dug out together through mutual cooperation of the digging, swinging and beating protection teeth, the digging and soil turning teeth, the driving structure and the fixed connecting block. Then, soil blocks mixed with the traditional Chinese medicinal materials are quickly patted to be scattered through a driving structure and digging, swinging and patting protection teeth, so that the traditional Chinese medicinal materials are quickly separated from planting soil, digging and soil turning teeth are not needed to crush the soil blocks, and the traditional Chinese medicinal materials cannot be damaged in the digging process; and the damage rate of traditional Chinese medicinal material digging is greatly reduced.

The utility model relates to the technical field of medicinal material planting equipment, and discloses a traditional Chinese medicinal material planting soil loosening device which comprises a carrying platform, the top end of the carrying platform is fixedly connected with driving equipment, and the output end of the driving equipment is provided with a soil loosening assembly; the soil loosening assembly comprises a transmission shaft, the transmission shaft is fixedly connected to the output end of the driving equipment, and two transmission gears are fixedly connected to the outer side wall of the transmission shaft. According to the soil loosening device, the transmission shaft provided with the transmission gear can be driven to rotate through the driving equipment, the right end of the carrying platform is connected with the mud cover through the adjusting rod, meanwhile, the middle of the mud cover is rotationally connected with the rotating shaft provided with the multiple sets of soil loosening teeth, and the two sides of the rotating shaft are fixedly connected with the driven gears; meanwhile, the outer sides of the driven gear and the transmission gear are connected through the transmission chain, so that when the transmission gear rotates, the rotating shaft and the soil loosening teeth can be driven to rotate, and soil loosening operation can be conducted on the planting land.

The invention relates to the technical field of slope drainage and ecological management, in particular to a slope ecological drainage structure and a construction method.The slope ecological drainage structure comprises prefabricated transverse water tanks, the length of the prefabricated transverse water tanks is arranged in the transverse direction of a slope, and at least two prefabricated transverse water tanks are distributed in the gradient direction of the slope at intervals; a prefabricated longitudinal water tank is arranged between every two adjacent prefabricated transverse water tanks, the length of each prefabricated longitudinal water tank is arranged in the gradient direction of the slope surface, and the two ends of each prefabricated longitudinal water tank communicate with the prefabricated transverse water tanks on the corresponding sides correspondingly. The at least two prefabricated longitudinal water tanks are distributed at intervals in the transverse direction of the slope surface; a cover plate is arranged on the face, away from the slope, of the prefabricated longitudinal water tank, and the face, away from the slope, of the cover plate is used for covering planting soil. The technical problem that a slope drainage structure cannot consider construction efficiency, structural stability and eco-friendliness at the same time can be solved.

The utility model relates to the field of rock quality side slope afforestation planting technology, concretely is a kind of rock quality surface planting soil fixation afforestation structure, including fixed base, chuck is fixedly arranged on fixed base, chuck upper side is provided with cover, limit slot is equipped on fixed base, and threaded section is equipped in the limit slot of fixed base, cover is cooperatively sleeved on threaded section, chuck and cover adjacent side are all equipped with annular groove, stop lever is set between the two groups of fixed base, one group of mounting seat is rotatably arranged at the both ends of stop lever, and the arc plate matched with annular groove is fixedly set on mounting seat, when carrying out soil fixation operation, the arc plate of the both ends of stop lever is installed in the annular groove on the two groups of chuck adjacent, can be quickly installed to stop lever even if circumferential rotation is generated when anchor rod anchors, improve installation efficiency, and the setting of annular groove makes a group of fixed base can be combined and connected with multiple groups of adjacent and different direction fixed base, improves soil fixation effect.

The utility model provides a filling compactor for forestry planting, and particularly relates to the technical field of filling compaction, the filling compactor for forestry planting comprises a holding rod and a pressing plate, according to the filling compactor for forestry planting, a connecting block at one end of the holding rod is inserted into a connecting groove of a connector, and in the inserting process, a sleeve at one end of a support is inserted to the outer side of a fixing column; then a bolt penetrates through the plug-in connector and is screwed into the threaded hole, so that the holding rod and the pressing plate are connected and fixed, assembling of the holding rod and the pressing plate is completed, the fixing column is matched with the support and the sleeve, the connecting position can be stable, and therefore the better connecting effect is achieved; then the threaded lantern ring is in threaded connection to the outer side of the lead screw, the buckle at one end of the lead screw makes contact with the protruding block, deforms and is continuously inserted into the lead screw till one end of the buckle is clamped into the clamping groove, so that the lead screw is prevented from falling off, at the moment, one end of the lead screw is arranged on one side of the anti-falling plate, the bolt is prevented from falling off, and it can be guaranteed that the holding rod and the pressing plate are stably connected.

The utility model discloses a combined flower box, relates to flower box technical field, including flower box entirety, flower box entirety includes box bottom plate, a plurality of groups of horizontal plate, a plurality of groups of side plate and top plate, box bottom plate top is fixed with the fixture block, horizontal plate outer wall is fixed with the first extension block. The beneficial effects of the utility model are that one sides of the clamping blocks are clamped in the first clamping grooves on the transverse plates, the transverse plates are clamped between the two groups of clamping blocks, the other sides of the clamping blocks are clamped in the second clamping grooves on the side plates, and the side plates are clamped between the two groups of clamping blocks, so that the plurality of groups of transverse plates and the side plates form a surrounding shape, planting soil and plants can be conveniently contained, and rapid forming is realized through splicing; the Chinese ancient mortise and tenon joint structure design concept is adopted, rapid building, moving and dismantling can be achieved, product transportation is facilitated, the greening rate of the space area is increased through multi-group flower box Loutu type stacking placement, the humanistic image is improved through embedding of a cat nest, a fish tank and other facilities, and various scene requirements are met.

The invention relates to the technical field of irrigation and water conservancy engineering, and discloses a karst mountainous area water retention and stabilization zoned ridge construction method and a ridge, and the method comprises the following steps: S1, digging a foundation trench along a ridge line of a pre-built upper terrace; s2, a load-bearing outer slope body surrounding the upper terrace is built in the foundation trench, and a through drainage hole is formed in at least one lateral section of the load-bearing outer slope body; s3, laying an inverted filter layer on the inner side of the bearing outer slope body; s4, the inner side of the inverted filter layer is filled and tamped with clayed soil in a layered mode, and an anti-seepage soil core wall is formed; s5, the bottom of the foundation trench in the area defined by the anti-seepage soil core wall is backfilled with planting soil; according to the construction method of the zoned ridge for water retention and stabilization in the karst mountainous area and the ridge, the series of problems that the ridge in the karst mountainous area cannot be stabilized, cannot be stored and cannot be drained smoothly are solved, and structural stability, efficient moisture retention and smooth drainage of the ridge in the karst mountainous area under complex hydrogeological conditions are achieved.

To provide a new agent for controlling soil-borne plant diseases, containing a microorganism as an active ingredient.SOLUTION: An agent for controlling a soil-borne plant disease, comprising, as an active ingredient, a Pseudomonad bacterium having a 16SrRNA genome comprising a nucleotide sequence having 96% or more sequence identity to a nucleotide sequence represented by SEQ ID NO: 1, a Pseudomonad bacterium having a 16SrRNA genome comprising a nucleotide sequence having 98% or more sequence identity to a nucleotide sequence represented by SEQ ID NO: 2, or a combination thereof.SELECTED DRAWING: None

The utility model relates to the technical field of green plant planting, and discloses a garden green plant soil loosening device which comprises a shell, a partition plate is fixedly connected to the interior of the shell, a cutting roller is rotationally connected to the front side of the bottom of the partition plate, and a soil loosening roller is rotationally connected to the rear side of the bottom of the partition plate. A plurality of mud pulling claws are fixedly connected to the outer wall of the soil loosening roller at equal intervals, the mud pulling claws are designed to be arc-shaped, a driving motor is fixedly installed on the left side of the top of the partition plate, and the output end of the driving motor and the left end of the cutting roller penetrate through the partition plate and are fixedly connected with a first chain gear. According to the garden soil loosening device, the driving motor drives the first chain gear to rotate and drives the chain to conduct transmission, then the cutting roller and the soil loosening roller are driven to rotate, the soil pulling claws are made to turn over and pull soil, and the effects that large soil blocks or hardened soil layers in garden land are crushed, the soil is fully scattered, and a loose soil environment is provided for growth of garden green plants are achieved.

The present application relates to the technical field of ecological restoration, in particular to a new ecological substrate for ecological restoration of river bank slope and its preparation method and application. The raw materials of the new ecological substrate include planting soil, basalt fiber, nano-silicon dioxide and cement. The preparation method comprises the following steps: taking the planting soil, crushing, air-drying and then passing through a 2mm sieve; mixing and stirring the sieved planting soil, basalt fiber, nano-silicon dioxide and cement to obtain a solid mixture, then adding water to the solid mixture until the water content is 18.5-19.5%, and stirring uniformly to obtain the new ecological substrate. The new ecological substrate can greatly improve the strength of the soil, improve the toughness of the soil and enhance the anti-cracking property of the soil body, reduce the dependence on cement, and reduce carbon emissions. On the other hand, the substrate has a certain gain effect on plant growth, which can significantly promote the adjustment of soil properties and hydrological environment, and also has a positive effect on carbon sequestration.

The invention provides a water-saving irrigation device for farmland water conservancy engineering, and relates to the field of farmland irrigation, the water-saving irrigation device comprises an irrigation box, a filter screen frame, a linkage shaft I, a linkage shaft II and a limiting block; a vertical plate is arranged on the inner side of the irrigation box, the filter screen frame is inserted into the irrigation box through an insertion opening in one side of the irrigation box, two sets of water outlet pipes are connected to the outer end of the other side of the irrigation box, and spraying pipes are connected to the two sets of water outlet pipes in a penetrating mode respectively; the top end of the irrigation box is hermetically connected with a sealing cover plate through a bolt; the first linkage shaft and the second linkage shaft are rotationally inserted into the lower end of the middle of the irrigation box in a penetrating mode, the outer end of the second linkage shaft is further connected with a puncturing assembly, and the puncturing assembly is arranged between the two spraying pipes. Irrigation water can be filtered, impurities can be reserved, a pesticide is fed into an irrigation box through a pesticide adding barrel and fully stirred and mixed, the positions of a spraying pipe and a puncturing assembly can be adjusted, spraying can be directly conducted on plant roots, puncturing can be conducted on planting soil ridges, and the irrigation efficiency is improved.

The utility model relates to the technical field of erosion gully treatment, and discloses a soft protection grid device for erosion gully treatment, which comprises a gully bottom, slope bodies are fixedly connected to the left side and the right side of the top wall of the gully bottom, protection mechanisms are mounted on the inner sides of the slope bodies, and the protection mechanisms are used for treating erosion gully. And a fixing mechanism is mounted on the outer side of the protection mechanism. According to the utility model, the protection grid is composed of a plurality of grids with small meshes, the planting soil is filled in the protection grid, the protection net prevents the planting soil from scattering out, the protection grid is spliced on the inner side of the outer frame according to the length of a ditch slope and is obliquely arranged and fixed on the ditch slope during use, and vegetation is planted in the protection grid; the root systems of the vegetation penetrate through the protection grids and root in the soil body of the ditch slope, the ditch slope is stabilized and prevented from being eroded, the effect of purifying water is achieved, when flood impact occurs, the vegetation has the energy reduction effect, and the impact of water flow on the soil body is effectively relieved.

The invention discloses a slope biomineralization protection method and system.The method comprises the steps that a bentonite-carbon nano tube composite carrier, a signal capsule and a reaction capsule are prepared, the bentonite-carbon nano tube composite carrier is obtained by treating ultrasonically-dispersed bentonite and multi-wall carbon nano tubes according to a preset mixing proportion, and the signal capsule and the reaction capsule are filled with the bentonite-carbon nano tube composite carrier; the specific surface area of the bentonite-carbon nanotube composite carrier is 800 to 1000 m / g; combining the bentonite-carbon nanotube composite carrier with the germination capsule to obtain the germination capsule containing the composite carrier; mixing the signal capsule, the reaction capsule and the germination capsule containing the composite carrier with graded fine sand and chopped basalt fiber to obtain a capsule-aggregate mixture; and the capsule-aggregate mixture is laid on the surface of the slope, planting soil is covered, vegetation is planted, and three-level time sequence repair is triggered through rainwater infiltration. The stability and the high efficiency of slope biomineralization protection are improved.

The invention relates to a side slope alkali-reducing ecological substrate layer and a preparation method thereof. The substrate layer comprises planting soil, a hydraulic inorganic cementing agent, an alkali-reducing composition, a bionic feather structure formed by spraying and adhering carbon fibers and soybean protein fibers, and an additive; the bionic feather structure contains hydrophilic colloidal particles and a halophilic and alkaliphilic biological agent. A slowly-released acidic group is introduced into the alkali-reducing composition, so that alkalinity is continuously neutralized, and the problem that plants are difficult to grow due to the fact that the pH value of soil is maintained to be 11-14 is solved. Moreover, the bionic feather structures dispersed in the matrix form tiny pores, a large amount of air is stored in the tiny pores, a barrier for effectively preventing convection of cold and hot air is formed, and the temperature stability of the matrix layer is improved; the hydrophilic colloidal particles in the matrix can keep the fluffy and breathable properties of the matrix and avoid water loss and vegetation root system damage caused by dry cracks on the surface of a base layer, so that rooting and survival of plants can be restored, and wind erosion resistance and water erosion resistance are also facilitated.

The application relates to the technical field of traditional Chinese medicine planting, and discloses a traditional Chinese medicine planting soil quality monitoring method and system based on big data analysis. The method comprises the following steps: collecting related data of traditional Chinese medicine planting, the related data comprising historical soil data, planting history data and traditional Chinese medicine growth data, pre-processing the related data, taking the pre-processed related data as learning data to train a prediction model; obtaining stage related data of a first growth stage of traditional Chinese medicine, and demarcating a key data range based on first data in the stage related data; generating multiple data input combinations based on the key data range, and generating a soil optimization scheme based on the multiple data input combinations and the prediction model; and judging whether the soil optimization schemes of all growth stages of traditional Chinese medicine have been generated, and if not, generating the soil optimization schemes of all growth stages of traditional Chinese medicine by using the above method. The growth soil optimization scheme improves the quality and yield of traditional Chinese medicine.

The application relates to the technical field of mechanical support equipment, and discloses a device support device for planting soil, which comprises a chassis, a support cover, a support column, a secondary lever and a camera and the like support structure. The device support device further comprises an insertion fixing part, a side fixing part and an agent discharging part. The insertion fixing part comprises a pressure regulating piece and an insertion fixing piece which penetrate through the support cover and the support column, and the insertion fixing piece is used for inserting into the soil to reinforce the device. The side fixing part is movably arranged through the insertion fixing part and comprises a side extrusion piece used for extruding the soil on the side and a continuous pushing piece used for pushing and triggering the side extrusion piece, and after the insertion fixing piece is inserted into the soil, the soil is extruded on the side to be reinforced and fixed. The agent discharging part is arranged through the insertion fixing piece and cooperates with the continuous pushing piece, and comprises a storage piece used for storing cement-based slurry and an extrusion discharging piece used for extruding and discharging the slurry, and the cement-based slurry is discharged into the soil to be cohered and solidified to reinforce the insertion fixing piece. Through the triple reinforcement mode of insertion fixing, side extrusion and slurry cohering, the device support device can adapt to different soil conditions, and the fixing stability and adaptability of the device support device are improved.

The application belongs to the technical field of agricultural planting mechanical equipment, and discloses a soil turning device for agricultural mechanical planting, which comprises a vehicle body, a soil turning structure is arranged on one side of the vehicle body, a mixed spraying structure is arranged on the side of the vehicle body away from the soil turning structure, and a swing structure is arranged at the bottom of the mixed spraying structure. The soil turning device is provided with a double-motion stirring structure formed by a rotating disc revolution cooperating with a gear and a gear groove to rotate, which drives a mixing roller to stir the materials in a mixing tank in multiple dimensions. Compared with a traditional single-shaft stirring structure, the soil turning device can effectively avoid material sedimentation and stratification, ensure the uniformity of the mixed concentration of herbicides, pesticides or fertilizers, prevent local over-concentration from causing seedling burn or under-concentration from causing failure, and greatly improve the stability and consistency of application effect. The swing mechanism formed by the rotating disc, the sliding block, the sliding groove and the swing rod enables the spray head to realize reciprocating swing spraying, and the stable pressurization of the pressure pump can expand the lateral spraying coverage range and avoid the occurrence of a spraying blind area or local excessive spraying. Meanwhile, the swing spraying can make the materials uniformly fall on the soil surface, significantly reduce material evaporation and loss, improve the utilization rate of fertilizers and pesticides, and be beneficial to actual application and operation.

The present application provides a kind of planting method of reducing allelochemicals and improving polysaccharide content of Rhizoma Polygonati, belongs to plant cultivation technical field.The planting method is planted in acidic sandy loam soil, and "biochar C" is applied to the soil 1-2 times in September-October of the second and third years, and the fruits mature, the stems are laid down after the third year, and then it can be harvested."Biochar C" is a modified, loaded with salicylic acid and UDP-D-galactose biochar.The present application not only helps to improve the physicochemical properties and bacterial community diversity of Rhizoma Polygonati planting soil, thereby reducing the allelochemicals content of Rhizoma Polygonati rhizome, but also can improve the polysaccharide content of rhizome, which helps to improve the quality of Rhizoma Polygonati and enhance its efficacy.