347 results about "Soil preparation" patented technology

The invention relates to the technical field of organic fertilizers and planting of watermelons and muskmelons, and provides a special fertilizer for milk irrigated watermelons and muskmelons and a double-stubble planting method for sweetness enhancement of milk irrigated watermelons and muskmelons. The special fertilizer for the milk irrigated watermelons and muskmelons comprises black goat manure, sophora alopecuroide, sesame seed meal, bran, organic fresh milk, brown sugar and zymophyte. The black goat manure is pulverized into powder by a pulverizer, the sophora alopecuroide is pulverizedinto 1 cm to 2 cm, and the ratio of the black goat manure, the sophora alopecuroide, the sesame seed meal, the brans, the organic fresh milk, the brown sugar and the zymophyte is 2700-3200: 80: 50: 150: 5: 1. The double-stubble planting method for sweetness enhancement of the milk irrigated watermelons and muskmelons comprises the following steps: selection of a nursery seedling plate and soil, cleaning and germination accelerating of seeds, soil preparation, transplanting, irrigation, topdressing, shaping and forking of watermelon and muskmelon vines and fruit bearing of the watermelons and the muskmelons. The problems that in an existing watermelon and muskmelon planting process, soil nutrients are damaged due to the fact that chemical fertilizers are used for a long time, and the sweetness of melons is reduced are solved.

The utility model discloses a soil preparation and fertilization device for planting corn. The device comprises a side cutter shell assembly, a soil loosening and fertilization device assembly and a ridge-shaped shaping assembly, the soil preparation and fertilization device for planting corn is designed, two times of ploughing operation including ditching and fertilization and ploughing and halving which are originally needed are integrated into a one-time soil preparation process, so that the soil preparation process is greatly simplified, the soil loosening and fertilization device unit is designed in the device, fertilization is directly carried out after a rotary knife rotates the soil, the application depth of base fertilizer can be accurately controlled, and the soil preparation efficiency is improved. The design of the ridge-shaped shaping units enables half-buckled soil to be fine and free of large soil blocks, so that corn seeding is facilitated, the seeding quality is improved, and the device can keep a root-soil complex formed by stubbles and soil in the last year upright without inclination in the soil preparation process, so that the soil preparation efficiency is improved. And the soil fixation and corrosion reduction effects are exerted to the greatest extent.

The utility model discloses an atractylodes macrocephala planting soil preparation and covering device which comprises a machine frame, a plurality of buffer boxes installed below the machine frame and buffer mechanisms arranged in the buffer boxes and further comprises an earth cutting plate, a rake head and a grinding roller which are installed below the buffer mechanisms. The buffering mechanism comprises an adjusting block, a transverse strip, a lateral moving hydraulic rod, a rubber table, an extension spring A, a push plate, a sliding rod and a side plate, a sliding seat is arranged on one side of the side plate, and the sliding rod is slidably connected to the middle position of the sliding seat; the adjusting block is pushed by the sliding rod to be separated from the transverse strip, under the elastic effect of the extrusion spring, the adjusting block drives the sliding rod to ascend and avoid, and therefore the earth cutting plate, the rake head and the grinding roller are buffered, the earth cutting plate, the rake head and the grinding roller are prevented from colliding with stones and hard soil blocks, and the soil preparation and covering device for atractylodes macrocephala planting is prevented from being damaged; and unnecessary economic loss is avoided.

The invention relates to the technical field of soil improvement and ecological restoration, and discloses an ultra-stable mineralization in-situ salt fixation method for improvement of saline-alkali soil in an arid region and application of the ultra-stable mineralization in-situ salt fixation method. The invention provides a method for improving northwest inland saline-alkali soil based on combination of an ultra-stable mineralized in-situ salt-fixing soil conditioner, precise partitioning, biological improvement and salt-tolerant plant planting. According to the method, a salt elimination foundation is created through physical soil preparation, firstly, the soil alkalization degree and the salt content are rapidly reduced through an ultra-stable mineralization in-situ salt fixation soil conditioner, the physical structure of the soil is improved, and then rapid salt elimination and alkali inhibition, fertility cultivation and ecological reconstruction of the saline-alkali soil are finally achieved by constructing different plant planting modes and establishing a stable vegetation system. And a sustainable saline-alkali soil comprehensive treatment mode with good effect and low cost is formed.

The invention discloses a planting method for intercropping flue-cured tobacco and chive and application of the planting method in relieving root rot of a tobacco field. Belongs to the technical field of agricultural planting and comprises the steps of transplanting flue-cured tobaccos in mid-to-late April, transplanting chive seedlings to two sides of tobacco ridges within 7 days after tobacco plants are transplanted, regularly harvesting chives, harvesting tobacco leaves on the upper portions of the tobacco plants in September, pulling out tobacco stems in late October, and immediately preparing soil and sowing green manure; the green manure plants are ploughed in the soil to be decomposed, flue-cured tobacco is planted in April, and the steps are repeated in sequence. The method is easy to operate, the microenvironment of organic carbon, enzyme activity and microorganisms of rhizosphere soil of tobacco plants in the tobacco field can be improved, the multiple cropping index of the soil in the tobacco field is increased, meanwhile, soil-borne diseases caused by long-term single cropping of the flue-cured tobaccos in the tobacco field can be inhibited, and effective technical guarantee is provided for sustainable production of the flue-cured tobaccos.

This utility model relates to the field of nutrient soil preparation technology, specifically a tool for preparing biogas residue-based horticultural nutrient soil. It includes a main body, support legs, an extension block, a feeding trough, and a mixing device. The support legs are fixedly connected to the lower surface of the main body, the extension block is fixedly connected to the surface of the support legs, and the feeding trough is fixedly connected to the upper surface of the main body. The mixing device is located inside the main body and includes a mounting plate fixedly connected to the surface of the main body. A motor is fixedly connected to the upper surface of the mounting plate, and a coupling is fixedly connected to the output end of the motor. A mixing shaft is fixedly connected to the inner wall of the coupling, and a support plate is fixedly connected to the surface of the mixing shaft. A support shaft is fixedly connected to the inner wall of the support plate. This utility model, by incorporating a mixing device, facilitates the mixing of biogas residue with other materials, ensuring more thorough mixing and improving the quality of the nutrient soil. This effectively enhances the practicality of the equipment.

The invention discloses a camellia oleifera forest water and soil conservation method suitable for a hilly land, which comprises the following steps: carrying out partitioned soil preparation on the hilly land forest land, and arranging an intermittent ladder belt and an undisturbed soil belt in a slope cultivation area along a contour line; constructing a soil stabilizing structure and a water seepage buffer layer on the upstream side of the ladder belt to reduce corrosion and promote seepage; water collection slow-release ditches are arranged on the inner sides of the ladder belts for retaining and storing runoff; arranging a soil and water retention composite layer in the camellia oleifera planting pit; a desilting basin is arranged in the slope toe water collecting area to recover runoff; according to the method, the hilly land forest land is subjected to partitioned soil preparation, and the intermittent ladder belts and the undisturbed soil belts are arranged in the slope surface cultivation areas along the contour lines, so that slope surface runoff scouring can be weakened; a soil stabilizing structure, a water seepage buffer layer and a water collection slow release ditch are combined, so that runoff corrosion reduction and water retention are realized; the soil and water retention composite layers in the camellia oleifera planting pits are matched, so that the stability and the water retention capacity of the root zone can be enhanced, water and soil loss is effectively controlled under the condition that large-scale hard engineering is not needed, and the water utilization efficiency is improved.

A method for improving saline-alkaline soil using Salvia miltiorrhiza combined with biochar, comprising the following steps: S1. Soil preparation: applying harmless treatment organic fertilizer as a base fertilizer, evenly applying biochar according to a proportion, plowing and tilling the soil, and, according to planting density and topographical conditions, planning ridge spacing and ridge width of double high ridges; S2. Salvia miltiorrhiza planting: performing Salvia miltiorrhiza seedling transplantation using a seedling transplantation method and hole planting means, digging holes on ridge surfaces, trimming overly long parts of seedling roots, planting seedlings vertically, and covering with soil; S3. field management after transplanting: performing fertilization, weeding, and top dressing management. The present method for improving saline-alkaline soil using Salvia miltiorrhiza cultivation combined with biochar application reduces soil pH and total salt content, increases soil sucrose enzyme activity, increases soil alkaline phosphatase activity, and alters soil microbiome structure.

The application belongs to the technical field of cement soil preparation, and particularly relates to a composite cement soil prepared from seawater, nano-silicon dioxide and polyvinyl alcohol fiber and a preparation method thereof, which comprises 63-70% of dry soil powder, 9-10% of Portland cement, 1.8-2.2% of nano-silicon dioxide, 0.6-1.2% of polyvinyl alcohol fiber, 0.2% of dispersant and 16.4-25.4% of seawater. The composite cement soil can not only significantly reduce the dependence on fresh water resources, but also effectively solve the problems of seawater corrosion and deterioration caused by fatigue cracks due to long-term cyclic loading, thereby significantly improving the mechanical strength of the cement soil foundation and prolonging the service life of the cement soil foundation in the coastal environment, and the composite cement soil also has high economic benefits. The synergistic effect of the nano-silicon dioxide and the polyvinyl alcohol fiber significantly enhances the mechanical properties, crack resistance and seawater corrosion resistance of the cement soil, and effectively inhibits the brittle failure of the cement soil, so that the cement soil can be stably applied in the coastal soft soil foundation reinforcement engineering for a long time.

The invention discloses a ficus tikoua bur reasonable cultivation method and popularization and application, relates to the technical field of crop cultivation, and aims to solve the problems that ficus tikoua bur is unstable in root system, afraid of strong light exposure, difficult in seedling identification, low in land utilization rate and the like through reasonable cultivation time planning, soil preparation in September to November, shading cutting seedling raising in August to October and field planting in October to November. The efficient survival of the seedlings is realized by matching with the covering of degradable grass-proof cloth, the precise water and fertilizer management of drip irrigation / micro-spray irrigation and the gradual topdressing; cold-resistant dwarf crops are interplanted in the slow growing period of wild sweet potatoes from November to the beginning of summer of the next year, multiple harvest in one season is achieved, the concentrated harvesting period from June to August is matched with holiday experience type picking, and the rural economy is linked. Meanwhile, stable productivity is guaranteed through unified and standard seedling supply, non-target plant resource treatment and seedling replacement complementary planting, a production area primary processing and rural overall planning and popularization mode is matched, a complete system integrating standardized cultivation, picking experience, industrial popularization and productivity guarantee is formed, and the method is suitable for flat land and hilly land agricultural factories and rural large-scale planting; operation is easy and convenient, the productivity is controllable, and agricultural competent departments can promote standardized and industrial standardized management from the technical level.

The utility model relates to the technical field of agricultural machinery, in particular to a forestry afforestation soil preparation device which comprises a plowing mechanism, a leveling mechanism and a rolling mechanism. The rolling mechanism comprises two supports, a transverse rod is fixed between the two supports, a hydraulic rod is arranged in the middle of the transverse rod, a rotating roller is arranged on the lower sides of the supports, and a plurality of spring strips are fixed to the outer side of the rotating roller and distributed annularly. The turning mechanism moves to enable the rotating roller to roll over the ground after soil turning, exposed stones are clamped and collected through a plurality of spring strips on the rotating roller, and a mounting ring rotates along with the rotating roller to hook up weed rhizomes in soil and turn the weed rhizomes into a collecting groove to be collected. Meanwhile, the turning plate slides on the surface of the soil for primary leveling, and the rotating roller and the multiple spring strips roll on the surface of the soil to complete secondary rolling leveling.

The invention belongs to the field of rice fertilization, and discloses a simple and efficient one-time rice fertilization method based on soil available potassium level, which comprises the following steps: measuring the available potassium content of plough layer soil of a target field; selecting a slow mixed fertilizer according to the content of available potassium in plough layer soil: when the content of available potassium is lower than 150mg / kg, selecting a high-potassium-ratio slow mixed fertilizer with the mass percent of K2O not lower than 10%; and when the content of available potassium is higher than or equal to 150mg / kg, selecting a low-potassium-ratio slow-mixing fertilizer with the mass percent of K2O being lower than 10%. Through precise matching of soil potassium with a slow-mixing fertilizer formula and combination of one-time basal application, fine soil preparation, precise ear fertilizer diagnosis and other technologies, synchronous supply of nutrients in the whole growth period of rice is realized, the fertilization frequency is remarkably reduced, the nitrogen fertilizer utilization rate and yield are improved, and the method has the advantages of labor saving, high efficiency and environmental protection.

The invention relates to a method for improving celery continuous cropping land soil by interplanting sunflowers in northern areas. The method is characterized by comprising the following steps: (1) soil preparation and fertilization; (2) covering a film and laying a drip irrigation belt (1); (3) setting plant line spacing; (4) planting in different periods; (5) field management in the symbiotic period; (6) harvesting celery; (7) performing field management on the sunflowers; (8) sunflower harvesting; (9) returning the straws to the field; according to soil characteristics and environmental conditions of celery continuous cropping land in northern areas, celery and sunflower interplanting cultivation is provided, vertical distribution differences formed by shallow root systems of celery and deep root systems of sunflower in soil are utilized, the two crops are distributed and planted in a delta shape, and horizontal distribution differences are also formed by utilizing plant spacing. Therefore, competition for soil nutrient absorption in the symbiotic period of the two crops is effectively avoided, soil secondary salinization is reduced, soil organic matter and probiotics are increased, and meanwhile the output value per unit area is increased.

The invention belongs to the technical field of residual film and stubble recovery, and particularly relates to a rotary tillage land preparation machine for residual film and stubble recovery, which comprises a rack, a cutting rotary tillage mechanism and a walking leveling mechanism are respectively mounted on the front side and the rear side of the rack, and two groups of conveying mechanisms and rolling and sorting mechanisms are mounted between the cutting rotary tillage mechanism and the walking leveling mechanism. A transfer temporary storage mechanism is installed on the machine frame, the cutting rotary tillage mechanism is used for cutting stubbles in soil, the cutting rotary tillage mechanism is further used for conducting rotary tillage on the soil and throwing the soil subjected to rotary tillage onto the conveying mechanism, and the conveying mechanism is used for conveying the soil into the rolling and sorting mechanism. Through cooperation of the conveying mechanism and the rolling and sorting mechanism, soil blocks of different sizes can be crushed, so that separation of the soil blocks and residual films is promoted, in addition, stones and stubbles in a soil layer can be separated out and separated and collected together with the residual films, and soil is more suitable for planting.

The present application relates to the field of agricultural machinery technology, and more particularly to a corn cultivating and weeding fertilizer applicator, comprising a walking module and a cultivating module, the walking module comprising a connecting shell, four corners of the bottom of the connecting shell are provided with support frames, the bottom ends of the support frames are rotatably connected with rollers, the side surfaces of the rollers are provided with hub motors, the top of the connecting shell is provided with a fertilizer conveying mechanism, and the cultivating module comprises a lifting mechanism, and the bottom of the lifting mechanism is provided with a connecting plate.In the present application, the bottom of the lifting mechanism is provided with a connecting plate, the rollers can be driven to rotate by the hub motors, the walking module as a whole advances, the soil can rise, break and turn on the curved surface of the plow body, the roots of weeds can be removed by the rotation of the weeding wheel, the fertilizer in the fertilizer conveying mechanism can be conveyed to the rear part of the plow body by the discharge pipe, and thus soil fertilization can be carried out, and cultivating, soil preparation, fertilization and weeding operations can be carried out at the same time, and the present application does not need to rely on a tractor for driving, and is conducive to improving work efficiency.

This invention relates to DNA extraction methods from soil and sediments with high humic substances content. The method focuses on the soil preparation phase; removing salts and cations with two different Tris-EDTA (TE) buffers, followed by precipitating humic substances with aluminum hydroxide solution and washing again with TE and cell lysis phase; urea is used as denaturing agents for the cell lysis phase and protein degradation phase while preventing the rediffusion of humic substances with CTAB. The purification can be performed following both the classic phenol chloroform method and using commercial DNA purification columns. This method is very accessible with operation time varying from 1h40 min to 2h30 min. The invention involves the use of TE and aluminum hydroxide solutions for soil preparation, and urea and CTAB as denaturing agents during cell lysis, in the specified concentrations, order, and incubation time, to prevent contamination of final DNA with humic substances

This invention discloses an integrated soil turning and leveling machine for paddy fields, relating to the field of agricultural machinery technology. It includes a frame, and further includes: a walking component mounted on the frame, capable of intermittent movement and stopping; a soil turning component located inside the frame, connected to the walking component, which drives the turning component to turn the soil in the paddy field when the walking component moves; a leveling frame located at the rear of the frame, fixedly connected to the frame by two mounting brackets, with a mounting bracket fixed to the top of the leveling frame, and channels provided on both the front and rear walls of the leveling frame; and a leveling component located inside the mounting bracket. This invention enables continuous automated operation of soil turning and leveling in paddy fields. Utilizing the positive pressure formed inside the leveling frame, it forces water to penetrate more fully into the lower soil layers, increasing soil moisture content and achieving a well-drained soil condition.

The invention belongs to the technical field of ecological restoration, and particularly relates to a method for restoring vegetation of a transformer substation in a high-altitude cold and arid region. The method comprises the following steps: 1) soil preparation and fertilization, and growing point planning; 2, holes are formed in the growing points, and seedlings are planted after a growth promoter is put in the holes; and 3) growing point management. According to the method, within 60-90 days, the vegetation coverage of the exposed ground surface of the transformer substation in the cold and arid region can reach the coverage degree larger than or equal to 95%, the height smaller than or equal to 15 cm, the landscape is uniform, and the overwintering survival rate is larger than or equal to 92%; reseeding is not needed in the planting period; single species, low plants and few vertical wilt objects meet the fireproof requirement of the transformer substation; the total cost is reduced by more than 40% compared with the traditional turf laying method; the whole process is less in irrigation, only 2-3 times of water replenishing are needed, water is saved by more than 80%, the defects of slow lawn building, difficulty in overwintering and high maintenance cost in the prior art are overcome, and the method has practical popularization and application value.

The invention discloses a tobacco leaf quality improving cultivation method for tobacco and wheat composite planting, and belongs to the technical field of agricultural planting. The method comprises the following steps: selecting a wheat variety; soil preparation; wheat sowing fertilization and flue-cured tobacco fertilization ridging; applying flue-cured tobacco strip fertilizer; performing drip irrigation to make soil moisture; flue-cured tobacco transplanting; tobacco field management in the tobacco-wheat symbiotic period; tobacco field management after wheat harvesting; harvesting the tobacco leaves. The tobacco and wheat composite planting method is optimized by standardizing a tobacco and wheat composite planting mode and wheat varieties, optimizing flue-cured tobacco and wheat field configuration, changing flue-cured tobacco flat planting into ridge planting, combining wheat and flue-cured tobacco nutrient demand characteristics, and performing field management such as concentrated fertilization in a wheat belt, pre-application of organic fertilizer in a flue-cured tobacco belt, graded application of chemical fertilizer and enhanced ridging. Wheat yield is stable, flue-cured tobacco quality is improved, and tobacco grains are efficiently fused and developed.

The utility model relates to the technical field of agriculture, and discloses a driving rake precision compound drill seeder capable of sowing seeds and fertilizers simultaneously, which comprises a soil preparation mechanism, a fertilizer application mechanism fixedly connected to the outer side of the soil preparation mechanism, a seedbed pressing mechanism fixedly connected to the outer side of the fertilizer application mechanism, and a seed and fertilizer box mechanism fixedly connected to the outer side of the fertilizer application mechanism. The outer side of the seed fertilizer box mechanism is fixedly connected with a transmission system mechanism, the outer side of the transmission system mechanism is rotatably connected with a seeding mechanism, the soil preparation mechanism comprises a driving rake tooth box, the outer side of the driving rake tooth box is fixedly connected with rake teeth, and one side of each rake tooth is fixedly connected with a bulldozing plate. According to the utility model, the fertilizer is sown to the required depth before the first pressing of the compound drill seeder, then the seedbed is pressed by the first pressing, the fertilizer is compacted, then the seeding is performed, and finally the seedling belt is compacted, so that the lodging resistance can be realized, and the yield can be improved.

A paddy field working machine is provided with: a traveling machine body that travels on a field surface; a working device supported at the rear part of the traveling machine body; and a soil preparation rotor (20) for preparing soil on the field surface in front of the working device. The soil preparation rotor (20) is provided with: a rotating body (22) that rotates around a shaft core extending in the transverse direction of the machine body; and a fixed body (23) which is provided in the axial core direction and is fixed so as not to rotate around the axial core.

This invention provides a strip tillage device and a strip tillage machine, relating to the field of agricultural machinery technology. It includes a mounting frame, a straw cleaning mechanism, and a transmission mechanism. The straw cleaning mechanism includes a rotating component and straw-cleaning blades spaced along a spiral trajectory on the surface of the rotating component. The axial length of the straw-cleaning blades is adapted to the width of a single tillage strip. The transmission mechanism is mounted on the mounting frame; its power input end connects to a drive mechanism, and its power output end connects to the rotating component. In this invention, the straw-cleaning blades are distributed along a spiral trajectory. When the straw-cleaning blades lift the straw, the straw is pushed to the side by the blades, thus cleaning the straw. Because the axial length of the straw-cleaning blades is adapted to the width of a single tillage strip, the number of strip tillage devices can be selected according to the actual width of the tillage area, and the individual strip tillage devices do not interfere with each other, improving the straw-cleaning effect.

The invention relates to a mung bean cultivation method suitable for arid regions, and belongs to the technical field of mung bean planting. Comprising the following steps: S1, selecting a dry farming plot with flat terrain for deep ploughing and soil preparation; s2, selecting a mung bean precision seeder provided with a linkage type liquid injection system; s3, the mung bean precision seeder is used for operation, and the following operation is executed in the advancing process of the seeder: S4, within 0.5 s to 1 s after the completion of S3, a soil covering and pressing mechanism arranged behind the seeder is used for covering soil on the seed furrows, a full-biodegradable mulching film is synchronously laid, and the high-humidity soil balls are sealed under the film. Ineffective evaporation of water is reduced to the greatest extent, and a micro-ecological environment which is beneficial to rapid germination of mung bean seeds in a drought and cold environment and establishment of a symbiotic nitrogen fixation system is established.

The application relates to the technical field of soil remediation, in particular to a saline-alkali soil improvement system and an improvement method thereof. The system comprises an underground drainage unit, a horizontal pipe network of which can be moved to dynamically adjust the salt drainage layout; an above-ground irrigation and salt suppression unit, which adopts drip irrigation under the membrane and integrates the liquid amendment injection function; a soil information monitoring unit, which is used for distributed monitoring of multiple parameters such as soil salt content and humidity; and an integrated management platform, which receives monitoring data and intelligently controls the coordinated operation of irrigation, drainage and amendment application; the application realizes real-time sensing, intelligent decision-making and dynamic precise regulation and control of soil water and salt movement, solves the problems of fixed drainage layout, extensive regulation and control and non-durable effect in the traditional improvement technology, and significantly improves the efficiency and sustainability of saline-alkali soil improvement.

The invention discloses a method for improving the transplanting survival rate of taiwania flousiana container seedlings, and relates to the technical field of seedling cultivation, and the method comprises the following steps: selecting a plot with smooth gradient and good ventilation and illumination, and preparing sterile deep nutrient soil with proper sand grain content; selecting taiwania flousiana seedlings with plump terminal buds and healthy root systems, and performing sterilization and insect killing treatment on the land parcels after ladder opening and soil preparation; nutrient soil is bagged and placed normatively, a shed frame space is reserved, and an elevated arched shed is built and covered with a shed film and a high-sunshade-degree sunshade net; the nutrition bags are watered for the first time until the humidity reaches the standard, nursery stocks are planted after being watered before being lifted, moisturized and transported and subjected to field root pruning, root fixing water is watered at nightfall, and then a greenhouse opening is closed; the method solves the problems of easy damage of root systems, lack of environmental regulation and the like in traditional transplantation, reduces the activity loss of nursery stocks and the risk of plant diseases and insect pests, and significantly improves the transplantation survival rate.

The invention relates to the field of medicinal material planting devices, in particular to a three-dimensional cultivation method for interplanting traditional Chinese medicine among fruit tree plants, which comprises the following three-dimensional cultivation device for interplanting traditional Chinese medicine among fruit tree plants: the three-dimensional cultivation device for interplanting traditional Chinese medicine among fruit tree plants comprises a cart plate; a plurality of supporting legs are symmetrically arranged at the lower end of the cart plate, wheel rods are arranged on the opposite sides of one pair of supporting legs, a transmission shaft is arranged between the other pair of supporting legs, and rolling wheels are arranged on the transmission shaft and the wheel rods; a soil loosening mechanism, a ploughing mechanism and a ridging mechanism are sequentially arranged on the cart plate, and a driving mechanism for driving is further arranged among the soil loosening mechanism, the ploughing mechanism and the ridging mechanism; according to the traditional Chinese medicine three-dimensional cultivation land preparation device, large-size soil blocks can be smashed, the problem that the large-size soil blocks roll into furrows under the influence of gravity is solved, meanwhile, multiple furrows can be formed in the ground, and the land preparation efficiency needed during traditional Chinese medicine three-dimensional cultivation is improved.

The invention discloses a soil preparation method based on molesey coal gangue and application, and relates to the technical field of solid waste resource utilization and soil improvement. The purpose of the invention is to solve the problems of environmental pollution, resource waste, poor adaptability of coal gangue soil preparation, poor improvement effect and incomplete removal of harmful impurities caused by accumulation of the mossy system coal gangue in the prior art. The method comprises the following steps: 1, pretreating the molery-series coal gangue; 2, mixing and improving; 3, microbial inoculation and curing; and 4, planting adaptive adjustment. The prepared soil is applied to mine land reclamation and agricultural planting soil improvement. According to the method, resource utilization of the mossy system coal gangue is effectively achieved, the prepared soil has the advantages of being appropriate in fertility, good in water and fertilizer retention, free of secondary pollution and the like, meanwhile, the soil preparation cost is reduced, remarkable economic, social and environmental benefits are achieved, and the method can be widely applied to the fields of mining area land reclamation, agricultural planting soil improvement and the like.

The invention discloses an ecological garden engineering soil preparation device, and relates to the technical field of soil preparation devices.The ecological garden engineering soil preparation device comprises a connecting frame, a grass root turning-out assembly is arranged at the left end of the bottom of the connecting frame, a grass root smashing assembly is arranged at the right end of the bottom of the connecting frame, and a soil rotary tillage assembly is arranged on the right side of the bottom of the grass root smashing assembly; a nitrogen fertilizer adding assembly is arranged in the grass root smashing assembly, and a mixture deep burying assembly is arranged at the bottom of the right side of the grass root smashing assembly and comprises a blocking plate fixedly arranged at the bottom of the right side of the U-shaped mounting frame. A mixture is extruded and output through a pushing column, the mixture can be buried in the deep position of soil while blockage is avoided, then the speed of rotting grass roots into organic fertilizer is effectively increased, in addition, nitrogen consumed during rotting of the grass roots can be compensated through addition of urea, and the fertilizer utilization rate is increased. And poor crop growth caused by nitrogen grabbing during rotting of grass roots is avoided while the rotting speed is further increased.

The application discloses a kind of Longdong loess hilly region early maturing potato-grain and forage dual-purpose corn two crops planting method in a year, it is related to crop planting technical field, specifically includes the following steps: S1: one crop potato cultivation technology: S11: site soil preparation;S12: fertilization, vertical deep rotation, ridge forming and mulching;S13: seed potato preparation: S131: good seed selection;S132: seed potato treatment;S14: timely sowing;S15: field management;S16: disease and insect pest control;S17: timely harvesting;S2: two crops corn cultivation technology: S21: variety selection;S22: soil preparation;S23: fertilization;S24: ridge forming, mulching;S25: sowing;S26: field management: S27: disease and pest control;S28: harvesting;S29: residual film recycling.The Longdong loess hilly region early maturing potato-grain and forage dual-purpose corn two crops planting method in a year of the application can optimize the utilization structure of water and heat resources, realize soil water-heat coupling, and significantly improve farmland productivity.

The invention discloses a preparation method of nutrient soil based on geopolymer and titanium dioxide byproduct desulfurized gypsum as well as the prepared nutrient soil and application thereof, and relates to the technical field of industrial solid waste resource utilization and soil improvement. In order to solve the problems of land occupation, environment pollution, resource waste and the like in the traditional stockpiling treatment of the by-product desulfurized gypsum in the titanium dioxide industry, the titanium dioxide by-product desulfurized gypsum is used as a main raw material and is matched with a geopolymer base material, humus, a functional regulator and a porous filler; the composite nutrient soil with the functions of nutrient supply, structure improvement and pH regulation is prepared through the processes of raw material pretreatment, accurate proportioning, normal-temperature activation, screening and packaging and the like. Harmless treatment and recycling high-value utilization of the desulfurized gypsum are achieved, the prepared nutrient soil can improve different types of soil such as acidic soil, alkaline soil and viscous soil in a targeted mode, the air permeability, fertilizer retention and crop growth adaptability of the soil are remarkably improved, and the nutrient soil is suitable for industrial popularization.