236 results about "Seedbed" patented technology

The application discloses a rice transplanter seedbed automatic feeding device and belongs to the technical field of agricultural planting. The device comprises a mounting frame, a guide plate and a rice seedling transplanting mechanism are arranged on the mounting frame, a guide groove is arranged on the guide plate, and the guide groove is used for providing seedlings for the rice seedling transplanting mechanism. A gantry is arranged on the mounting frame, rotating rods are horizontally and uniformly arranged on the inner side walls of the gantry, supporting plates are fixedly arranged on the side walls of the rotating rods, and the supporting plates are used for supporting the seedlings. When the rotating rods are separated from the supporting plates, the supporting plates drive the rotating rods to rotate until the top wall of the supporting plates is attached to the top wall of the guide plate. At this time, the supporting plates are parallel to the guide plate. Meanwhile, under the action of a liquid supply mechanism, water in a cavity is discharged through holes, and the discharged water in the holes flows to the surface of the supporting plates, thereby reducing the friction between the seedlings connected in blocks on the surface of the supporting plates and the supporting plates. Therefore, the seedlings connected in blocks on the surface of the supporting plates can slide along the surface of the supporting plates to the guide groove on the surface of the guide plate, so that the guide groove is automatically fed.

The invention provides a soil improvement method for a sugarcane seedling seedbed. The soil improvement method comprises the following steps that a small-particle-size water-retaining agent containing a water-absorbing component and a biodegradable natural fiber material is spread on the surface layer of soil, and a large-particle-size water-retaining agent containing a water-absorbing component and a biodegradable natural fiber material is spread in a root zone. The water-retaining agents with different particle sizes and mixed with biodegradable natural fibers are spread in a layered manner, so that fine regulation and control can be performed according to the water requirements of different depths of the seedbed. The small-particle-size water-retaining agent is distributed on the surface layer, can rapidly absorb rainfall or irrigation water, reduces surface water evaporation, effectively inhibits weed growth, and meanwhile is not prone to being washed away by rainwater due to the small particle size. The large-particle-size water-retaining agent is concentrated in the root zone, has higher water-retaining capacity, can continuously provide stable water for the root system, and avoids wilting of the root zone due to water shortage. The biodegradable natural fibers are mixed, so that the water-retaining agent is expanded to form a porous structure, and root respiration and healthy growth are promoted.

The application provides a transmission assembly and an elevator, the transmission assembly comprising: a mounting shell provided with a mounting space; a transmission structure matched with a matching part of the mounting shell; a slide rail assembly provided in the mounting space, and the slide rail assembly comprising a first slide rail arranged along a first direction and a second slide rail arranged along a second direction; a guide assembly connected to the transmission structure, and the transmission structure being movably connected to the slide rail assembly through the guide assembly; wherein, when the transmission structure moves on the first slide rail and / or the second slide rail, the transmission structure keeps the same first state. The application solves the technical problem that, in the process of combining the actual transmission seedbed, the overall weight is large when the seedbed is loaded with soil and seedlings, which leads to the transmission mechanism being unable to keep good stability when moving on the slide rail, and thus the common transmission mechanism can only realize the transmission in a single direction, for example, only realize the rising and falling, thereby leading to the low overall transmission efficiency.

The invention discloses a kind of seedbed furrow synchronous plastic pressing sowing monomer, which belongs to agricultural machinery.The Π-shaped frame is hung and installed on the parallel four-bar profiled mechanism of seedbed furrow plastic pressing on the monomer frame, the main shaft is rotatably supported and installed on the Π-shaped frame, the conical disc-shaped furrow plastic compacting wheel is fixed on the middle part of the main shaft, the groove-shaped cylindrical seedbed plastic compacting roller with inner ring is rotatably sleeved on both sides of the main shaft, the two seat plates fixed with the Π-shaped frame are rotatably sleeved on both sides of the main shaft respectively, the gear shaft support plate is rotatably sleeved on the main shaft, the cylindrical gear I and II are rotatably installed on the part between the seat plate and the gear shaft support plate through gear shaft I and II, the cylindrical gear III is fixed on the main shaft, the cylindrical gear I is engaged with the inner ring and the cylindrical gear II respectively, and the cylindrical gear III is engaged with the cylindrical gear II.

The application provides a wheat wide seedling strip seedbed preparation device and a monitoring system thereof, which comprises a single fixed seat, a front ditch opener fixed seat, a front ditch opener, a fertilizer spreading device, an anti-abrasion plate, a rotary tiller group, a side plate, a soil retaining plate, a rear ditch opener, a soil humidity sensor, a metal water pipe, a profiling mechanism, a spring damper, a transmission box and a motor. The single fixed seat is provided with a through hole, and the single body is fixed to a seeding machine frame through U-shaped bolts. The seeding machine can be installed with multiple single bodies. The spacing between the single bodies is adjusted to adapt to the wide seedling strip seeding operation of different row spacings. The soil disturbance and power consumption during operation are reduced through wide seedling strip rotary tillage. The monitoring system comprises a rotary tiller group power distribution monitoring system and a lower irrigation monitoring system. The rotary tiller group power is automatically adjusted with the change of the forward speed and the working resistance, so that the seedbed preparation operation effect is improved. Through lower irrigation of the seedling strip, the problem of uneven emergence caused by the inconsistent soil moisture content of different plots in the field is solved.

The invention relates to seedling and forestation irrigation equipment for forestry and a using method thereof.The seedling and forestation irrigation equipment comprises side columns fixedly arranged on the inner walls of the two sides of a greenhouse, guide rails are movably connected to the side columns on the two sides, an equipment box is movably connected between the guide rails on the two sides, a driving mechanism used for driving the equipment box to move is arranged in the equipment box, and a fixing plate is fixedly arranged at the bottom of the equipment box; the two sides of the bottom of the fixing plate are connected with mounting plates through hanging rods, rotating grooves are evenly formed in the mounting plates, rotating columns are rotationally connected into the rotating grooves, nozzles are fixedly arranged at the bottoms of the rotating columns, swing mechanisms used for forward and reverse rotation of the rotating columns are arranged at the bottom of the fixing plate, and the swing mechanisms move along with movement of the equipment box. The spray heads continuously swing back and forth while moving in the length direction of the seedbed and comprehensively spraying and irrigating the seedbed below the spray heads, so that wet zones of the adjacent spray heads are fully overlapped in the transverse direction, uniform water is obtained in the width direction of the whole seedbed, and the uniformity of spraying and irrigating is improved.

The application discloses a method for repairing and restoring a degraded mowing grassland to its original state, and comprises the following steps: step 1, deep cutting, a deep cutting seam with a length of not less than 10 cm is vertically cut on the surface of the degraded mowing grassland by using a disc cutter; step 2, vertical trenching, a soil and root system in the deep cutting seam is crushed by using a corrugated disc along the deep cutting seam, and the crushing depth is 6 cm to 8 cm; step 3, middle layer seedbed preparation, a T-shaped seedbed is prepared in the vertical trench by using a T-shaped seedbed preparation device in the vertical trench direction, and the seedbed depth is 4 cm to 6 cm; and step 4, blowing and pressing, blowing and fertilizing is firstly carried out along the vertical trench, and then a presser is used to press the seedbed. In the method, the cutting seam depth is increased, the soil and root system in the cutting seam is disturbed, the similar 'upper virtual lower actual' plough layer condition and the T-shaped seedbed for increasing temperature and preserving soil moisture are created, and the damage to the grassland is reduced.

Disclosed in the present invention is a no-till cover-seeding method for restoring a degraded mowing and grazing grassland. The method comprises: step 1, providing a slot in a deep layer, wherein a disc cutter is used to vertically cut a non-ridged deep cut slot of not less than 10 cm downwards into a surface of a degraded mowing and grazing grassland; step 2, providing a vertical furrow in a mid-deep layer along the slot, and using a corrugated disc to chop soil and root systems on inner walls of the deep cut slot along the deep cut slot, wherein the chopping depth ranges from 6 cm to 8 cm; step 3, making a seedbed in a middle layer along the vertical furrow, wherein an inverted-T-shaped seedbed preparation device is used to prepare an inverted-T-shaped seedbed in a lower middle portion of the vertical furrow in the direction of the vertical furrow, wherein the depth of the seedbed ranges from 4 cm to 6 cm; and step 4, performing seed blowing and fertilizer blowing along the vertical furrow first, and then using a compacting device to compact the seedbed. In the present invention, without ridging the surface of the grassland, the depth of the slot is increased, the disturbance to soil and root systems inside the slot is increased, and a plough layer condition with "loose upper soil and compact lower soil" that is similar to farmland soil, and an inverted-T-shaped seedbed that increases temperature and conserves moisture are created, thereby reducing damage to the grassland.

This invention discloses a method for hardwood cutting propagation of the mangrove plant *Avicennia marina*, comprising: S1: Selection and preparation of cuttings: In early July, select vigorous, healthy, and disease-free superior single plants, collect robust perennial branches, keep them moist after collection, bring them back to the cutting site, and cut them into cuttings on the same day; S2: Pretreatment of cuttings: Disinfect the cuttings obtained in step (1) by soaking them in a 700-fold carbendazim solution for 10 minutes, and then let them air dry naturally; subsequently, quickly dip the cuttings in a 1000 mg / L NAA and IBA hormone solution for 30 seconds, and insert them into the substrate of the seedbed to a depth of 3-4 cm. This method for hardwood cutting propagation of the mangrove plant *Avicennia marina* provides technical support for the industrialized and large-scale production of superior *Avicennia marina* seedlings, and can also ensure the demand for superior seedlings for the ecological restoration of coastal mangroves.

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.

The utility model discloses a crop root heating system is arranged on the seedbed, and the seedbed comprises: seedbed frame and seedbed net, and the seedbed frame is provided with seedbed crossbeam, and the seedbed net is separated with the seedbed crossbeam through the cushion block, and the crop root heating system comprises: a plurality of heating pipes, distribution water collector and heating boiler, and the heating pipe is installed between the seedbed net and the seedbed crossbeam, and the heating pipe is placed along the length direction of seedbed frame, and the distribution water collector is installed at one end of the seedbed frame, and every two adjacent heating pipes are a group, and one is the water inlet pipe, and the other is the return pipe, and one end is connected to form the passage between the water inlet pipe and the return pipe, and the other end is connected with the distribution water collector respectively, and the distribution water collector is also connected with the heating boiler to circulate the hot water. The utility model realizes the accurate heating of crop root by arranging the heating pipe on the existing seedbed.

The application provides a seedling raising seedling tray two-way receiving and conveying device, which comprises a seedling tray placing and receiving device, a seedling tray carrying device, a stereoscopic shelf and a conveying device, the seedling tray placing and receiving device is arranged on a seedbed in a greenhouse and can move along the seedbed to place or receive seedling trays on the seedbed, the stereoscopic shelf is arranged outside the greenhouse, the seedling tray carrying device is arranged between the stereoscopic shelf and the greenhouse, the conveying device is arranged in the greenhouse and one end of the conveying device is arranged on the end of the seedbed and can be connected with the seedling tray placing and receiving device, the other end of the conveying device extends to the outside of the greenhouse and is connected with the seedling tray carrying device, and the seedling tray placing and receiving device and the seedling tray carrying device can work together, the seedling trays in the stereoscopic shelf can be directly conveyed to the seedbed to be placed, or the seedling trays on the seedbed can be directly conveyed to the stereoscopic shelf, the device avoids the trouble of manual carrying, improves the efficiency of seedling tray transfer, saves time and effort and is convenient and fast.

This invention discloses a vertical adaptive contour-following straw clearing and covering device for hilly sloping farmland, comprising a dual air spring adaptive contour-following suspension, a vertical straw clearing attitude adjustment mechanism, an umbrella-shaped linkage straw clearing radius stepless adjustment mechanism, and a passive contour-following elastic covering device. The straw clearing mechanism mainly consists of an umbrella-shaped linkage radius adjustment drive cylinder, an umbrella-shaped linkage low-wear angle adjustment slider, and a straw clearing spring tooth assembly, used for continuous stepless adjustment of the straw clearing operation radius and synchronous high-precision control of the spring tooth operation angle, completing the directional throwing and clearing of straw in the seed strip. The contour-following suspension mechanism mainly uses two sets of symmetrically arranged adaptive contour-following springs and contour-following rods to achieve adaptive contour-following of undulating hilly terrain and adjust the operating height of the device. The attitude adjustment mechanism drives the attitude adjustment swing shaft to deflect through a built-in angle drive motor, precisely controlling the straw throwing path. The passive contour-following elastic covering device uses a passive contour-following buffer spring and telescopic rod structure to drive the covering shovel to adaptively conform to the ground surface, adjust the covering amount, and prevent straw from slipping back into the seed strip during sloping operations. During operation, the device cleans the seedbed on the straw-covered no-till surface through the straw-cleaning mechanism, while the covering soil device simultaneously covers and fixes the straw with topsoil. The entire process of straw cleaning, terrain shaping, posture adjustment, and anti-slip covering is completed in one operation, providing a stable and qualified seedbed environment for no-till sowing.

The invention discloses a macadamia nut cutting seedling raising method. The method comprises the following steps: S1, selecting a lignified branch which grows for 1-2 years and has a diameter of 0.5-1.0 cm on a macadamia nut stock plant; s2, cutting slips are sheared from branches, and leaf, top and base treatment is carried out; s3, performing section disinfection on the cutting slips; s4, the bases of the cutting slips are placed in rooting liquid medicine to be quickly dipped for 5-10 s; s5, using 800-fold liquid of thiophanate-methyl to soak leaves on the tops of the cutting slips; s6, cutting the cutting slips in a seedbed with a river sand matrix; s7, keeping the seedbed and cutting slip leaves wet; s8, removing new ear tips on the cutting slips within 3 months after cuttage in time; s9, after 2-3 rounds of leaves of new tips of the cutting slips are matured, the cutting slips are dug out and transplanted into the seedling raising bag; s10, uncovering the sunshade net after 4-5 rounds of leaves of the new tips of the cutting slips are matured; s11, after 10-15 days, the seedling raising bags are moved out of the nursery garden. The method is simple to operate and easy to master and implement, the cuttage survival rate of the macadamia nuts reaches 90% or above, and the cuttage seedling rate of the macadamia nuts is remarkably increased.

The invention relates to the field of morchella seeding, and discloses a greenhouse morchella precise quantitative drill seeder which comprises a traction assembly. A connecting assembly; a seeding assembly; a ploughing assembly; and a pressing assembly and a discharging assembly. By installing the angle-adjustable seeding assembly and driving the rotating strip through the first motor, the orientation and the inclination angle of the seed outlet can be dynamically and accurately changed, the hardness change of a seedbed and machine vibration are effectively coped, strains fall at the optimal angle, bounce and rolling of the strains after touching the ground are directly reduced, and the working efficiency is improved. The furrowing and seeding unit can accurately fall into a preset seedbed position, the problem of drop point deviation caused by non-adjustable angle of a fixed seeding pipe is solved, in addition, the seeding assembly and the ploughing assembly are linked through a hinge and an elastic element, so that the furrowing and seeding unit can passively adapt to surface fluctuation in the advancing process, and the consistency of seeding depth is maintained.

The utility model discloses a traction type bed making machine which comprises a bed making frame, a car hopper is arranged on the bed making frame, and a traction buckle is arranged at the front end of the bed making frame. A rotary tillage cutter wheel and a bed making roller are sequentially and rotationally arranged on the lower end face of the bed making frame from front to back; a working bed surface with a trapezoidal structure is concavely arranged on a roller body of the working bed roller; a motor is arranged on the upper end face of the bed doing frame and located beside the car hopper, and the motor is in transmission connection with the rotary tillage cutter wheel and the bed doing roller. Furrowing shovels located in front of the rotary tillage cutter wheel are symmetrically arranged on the two sides of the front end of the bed doing frame, and the distance between the two furrowing shovels is the same as the length of the rotary tillage cutter wheel; liftable supporting wheels are symmetrically arranged on the two sides of the end, away from the traction buckle, of the working bed frame. According to the utility model, by arranging the bed making roller with the concave trapezoidal structure as the bed surface, soil after rotary tillage can be made into a seedbed with a trapezoidal structure, so that the three sides of the seedbed are tidied to be flat, the side surfaces of the seedbed are effectively prevented from collapsing, and the quality of the seedbed is improved.

A method for controlling thrips using Stratiolaelaps scimitus during float-tray-based tobacco seedling cultivation, including the following steps: 1) arranging a seedbed in a wind-sheltered sunny area with upwind positioning, and removing host plants of the thrips around the seedbed; 2) sowing 2 tobacco seeds per cell in float trays for the float-tray-based tobacco seedling cultivation, arranging 32 float trays per nursery greenhouse, placing the float trays in a nutrient solution tank, adding a formulated fertilizer solution for the float-tray-based tobacco seedling cultivation into the nutrient solution tank, arranging a plurality of nursery greenhouses in close proximity to form a nursery greenhouse cluster, erecting a plastic film vertically around the nursery greenhouse cluster, and arranging an insect-proof net around the nursery greenhouse cluster; and 3) after a rate of seedling emergence reaches over 90%, thinning seedlings.

The utility model relates to a willow branch cuttage seedbed, and belongs to the technical field of cuttage seedbeds, the willow branch cuttage seedbed comprises a seedbed body and a fixing plate mounted in the seedbed body, a plurality of fixing holes are formed in the fixing plate, and limiting assemblies in one-to-one correspondence with the fixing holes are arranged on the fixing plate. The method has the effect of reducing adverse effects on rooting.

The utility model discloses a dendrobium officinale under-forest planting seedbed which comprises a supporting plate, the bottom of the supporting plate is fixedly connected with a supporting rod, the upper end of the supporting plate is fixedly connected with a supporting block, the upper end of the supporting block is fixedly connected with a supporting ring, and the interior of the supporting ring is in contact with a tree trunk. Two symmetrically distributed fixing seats are fixedly connected to the outer side of the supporting plate, fixing cylinders are fixedly connected to the interiors of the fixing seats in a sleeved mode, a clamping mechanism is arranged on the tree trunk, and a positioning mechanism is arranged on the fixing cylinders. By designing the supporting ring and the supporting seat, the tree trunk can be supported, the thread movement of the pressing seat can be realized when the rotating handle is rotated to drive the screw rod to rotate under the action of the pressing seat, and the tree trunk can be positioned by pressing the tree trunk downwards through the pressing seat, so that the tree trunk can be positioned and used conveniently and quickly.

The invention relates to the technical field of seedbeds, and discloses a greenhouse seedling raising multilayer seedbed which comprises a supporting bed frame used for supporting seedling raising trays or adjustable tray pieces, the adjustable tray pieces are inserted into the top or the bottom of the supporting bed frame, and when the adjustable tray pieces are inserted into the top of the supporting bed frame, the adjustable tray pieces are used for bearing the seedling raising trays and carrying out tidal irrigation; when the adjustable tray piece is inserted into the bottom of the supporting bed frame, a spray head is installed on the adjustable tray piece and used for spraying and irrigating the seedling raising tray on the supporting bed frame on the lower layer. A farmer can switch between the tidal irrigation seedbeds and the spraying irrigation seedbeds according to real-time needs, the number of the tidal irrigation seedbeds and the spraying irrigation seedbeds is adjusted, a large number of tidal irrigation seedbeds or spraying irrigation seedbeds do not need to be stored in a warehouse, and the storage space and the planting cost are reduced; the water and the fertilizer are intensively collected at the collection funnel at the bottommost layer, and the collected redundant water and the fertilizer can be used after being secondarily filtered, so that the water flow and the fertilizer are recycled, water and fertilizer waste is reduced by 30-40%, and the water flow and water and fertilizer recycling rate is improved.

The invention discloses a device and a method for treating diseases, pests and weeds in the growing period of feeding oat, belongs to the technical field of disease, pest and weed treatment, and aims to solve the problems of low spraying efficiency, high cost and invariable cleaning of the interior of the device. According to the feeding oat growing period disease and insect pest treatment device and method, the disease and insect pest situation of an oat seedling field can be accurately recognized in real time, pesticide spraying can be conducted in real time when the disease and insect pests are found, the disease and insect pest treatment efficiency is improved, and the disease and insect pest treatment effect is improved. Therefore, pests and diseases are effectively controlled in the initial stage and prevented from further diffusing and damaging crops, meanwhile, rainwater and wind energy can be utilized for self-cleaning, pesticide residues are avoided, equipment faults and maintenance requirements caused by nozzle blockage and abrasion are reduced, maintenance cost is reduced, reliability of equipment is improved, and the service life of the equipment is prolonged.

The utility model relates to the technical field of phalaenopsis planting, and discloses a seedbed translation unit for phalaenopsis planting, which comprises a first seedbed transportation rail, a second seedbed transportation rail and a plurality of seedbed placing frames positioned between the first seedbed transportation rail and the second seedbed transportation rail, a first lifting assembly is arranged on the inner side of the first seedbed conveying rail, and a horizontal moving transverse frame is arranged at the top end of the seedbed containing frame. According to the seedbed translation unit for phalaenopsis planting, through the design of the transverse frame, the first lifting assembly, the second lifting assembly, the auxiliary horizontal pushing assembly and the bed pushing assembly, translation operation of the seedbed assembly can be achieved, and the auxiliary horizontal pushing assembly can assist the seedbed assembly in further translation so that the seedbed assembly can enter the upper portion of the second seedbed conveying rail; the seedbed assembly can be transversely transported in cooperation with the seedbed driving unit and the seedbed transporting unit, logistics circulation among a plurality of greenhouses can be achieved, the logistics efficiency is improved, and meanwhile the planting efficiency is greatly improved.

The utility model discloses a conveniently-installed plum-blossom-shaped spray head used for a potato breeder's seed aeroponic cultivation seedbed, and relates to the technical field of plum-blossom-shaped spray heads. The device comprises a main body, a connecting pipe is fixedly connected to the bottom surface of the main body, top cavities are formed in the left side and the right side of the inner wall of the connecting pipe, conversion cavities are formed in the positions, located on the upper sides of the top cavities, in the main body, and rotating groove blocks are rotationally connected to the upper sides of the inner walls of the two conversion cavities; the inner walls of the two rotating groove blocks are in threaded connection with moving lead screws, the lower ends of the two moving lead screws penetrate through the lower side of the inner wall of the conversion cavity and the top face of the connecting pipe to extend to the inner wall of the top cavity, and transmission mechanisms are arranged on the upper sides of the surfaces of the two rotating groove blocks. A traditional thread fixing mode is avoided, an extrusion fixing mode is adopted, the device can be fixed through little rotation, the difficulty of frequent rotation of a traditional device is avoided, and the installation convenience of the device is improved.

To provide a technology that enables the production of a polyurethane foam suitable for seedling cultivation while also being biodegradable. [Solution] This technology provides a biodegradable polyurethane foam for seedling cultivation obtained from a composition containing a polyol and a polyisocyanate, wherein the polyol contains a biodegradable polyol, the polyisocyanate contains an aliphatic isocyanate and / or an alicyclic isocyanate, and the number of cells is 5 or more per 25 mm.

A method of operating a seedbed preparation or seeding implement coupled to a tractor includes receiving at least one of as-applied product data and an as-applied map while traversing a field with the tractor and the implement. The method includes determining the at least one of the as-applied product data and the as-applied map for a location of the field in front of the implement and based on the at least one of the as-applied product data and the as- applied map for the location, causing at least one actuator coupled to a toolbar of the implement to lift or lower at least a section of the toolbar at least a preselected time prior to the implement traversing the location. Related systems including an implement coupled to a tractor, and related control systems are also disclosed.

The utility model relates to the technical field of seedbeds, in particular to a seedbed for potato breeder's seed production. Comprising a supporting frame, the supporting frame is composed of four frame rods, and a seedbed body is arranged above the supporting frame; the supporting frames are distributed up and down, an adjusting frame is arranged between every two adjacent supporting frames, a water tank is arranged on each adjusting frame in a sliding mode, and an adjusting assembly for adjusting the position of the water tank is arranged in each adjusting frame; the seedbed body slides on the water tank, two clamping assemblies are arranged on the seedbed body, and the clamping assemblies are clamped with the water tank and brake the seedbed body to slide; wherein one group of support frames is provided with a water collecting tank, one side of the water collecting tank is provided with an inlet, the inlet is provided with a cover body, one side of the water collecting tank is provided with a drainage assembly communicated with a plurality of water tanks, and spraying assemblies are arranged between the other side of the water collecting tank and other groups of support frames. According to the seedbed for potato breeder's seed production, illumination is not affected due to the multilayer design, water can be drained in time through the water tank, and water resources are reasonably utilized.

The utility model relates to the technical field of seedling beds, in particular to a temperature control seedling bed which comprises a heat preservation box and a transverse partition plate, the transverse partition plate divides the heat preservation box into an upper cavity and a lower cavity, and water in the lower cavity is heated through a heating rod; a plurality of seedling bowls are arranged on the transverse partition plate, and the bottoms of the seedling bowls extend into the lower cavity; the transverse partition plate can be vertically arranged at the inner top of the heat preservation box in a sealed sliding mode through a driving device, and the bottom of the seedling culture bowl can make contact with water by reducing the height of the transverse partition plate; a plurality of branch air inlet pipes are arranged in the lower cavity, a blower device conveys external air into the lower cavity through the branch air inlet pipes, and the external air enters the upper cavity through a plurality of first air outlet pipes after exchanging heat with water in the lower cavity. According to the utility model, the synchronous temperature control of water and gas is realized, and the seedling raising operation is facilitated.

The application discloses a cultivation method for improving the growth ability of Phoebe bournei seedlings, and comprises the following steps: step one, seed collecting; step two, seedbed arrangement; step three, soaking treatment; step four, regular water spraying; step five, seedling transplanting; and step six, transplanting. In the step one, first, 20-30 years old mother trees which are strong in growth, free from diseases and insect pests, straight in stem shape, beautiful in crown shape and in fruiting peak period are selected for seed collecting treatment; then, the collected fruits are soaked in clean water for 2-4 hours; then, the skin of the fruits is rubbed; and then, the fruits are rinsed in clean water and the empty bracts, the fruits with insect pests and the unripe fruits are selected. The application uses rice straw or wheat straw to wrap the residual soil in the seedlings, changes the existing wrapping mode of using nutrient bags, is beneficial to providing the nutrients required by the seedlings by using the corrosion of the net, is beneficial to the growth of the roots of the seedlings, thereby not only improves the survival rate of the seedlings after transplanting, but also improves the growth ability of the seedlings.

The present application relates to the field of seedling cooling, and discloses a strawberry seedling cooling system, which comprises a greenhouse, a sunshade cloth arranged on the greenhouse and a seedbed arranged in the greenhouse, wherein the seedbed comprises a frame body, a culture water tank fixedly connected to the frame body, a floating frame arranged on the culture water tank and a seedling tray connected to the floating frame, the floating frame is provided with a connecting frame for embedding the seedling tray, the connecting frame is slidingly connected to the floating frame, and the connecting frame slides close to or away from the bottom of the culture water tank. The present application has the following advantages and effects: the seedling tray is arranged on the floating frame, the floating frame floats in the culture water tank through a floating air bag, so that the depth of the seedling tray extending into the water surface is relatively constant when the culture water tank is lowered and raised, thereby ensuring stable cooling effect on the strawberry seedlings; the spraying pipeline, the preparation barrel and the culture water tank are communicated, so that the cooling water circulates between the spraying pipeline, the preparation barrel and the culture water tank, thereby avoiding nutrient waste.

The invention relates to the technical field of agricultural engineering, and discloses a layered multi-light-quality cooperation-based three-dimensional circulating seedling raising system and a light supplementing method thereof.The system comprises a multi-layer circulating conveying structure, a layered light source system, a seedbed movement control system and a PLC; the multi-layer circulating conveying structure is divided into a high-illumination area, a middle-illumination area and a low-illumination area according to light saturation points and light compensation points of rice seedlings, the illumination intensity of the high-illumination area is larger than or equal to 100 PPFD, the illumination intensity of the middle-illumination area is 30-100 PPFD, and the illumination intensity of the low-illumination area is smaller than 30 PPFD; the layered light source system is provided with different light sources for the middle illumination area and the low illumination area. According to the method, the high illumination area, the middle illumination area and the low illumination area are divided, the middle-layer illumination blind area and the bottom-layer weak-light area which cannot be considered by a traditional light supplementing technology are effectively covered, the problems of excessive growth, leaf color lightening, slow growth and the like of seedlings due to continuous weak light or intermittent light shortage are solved, and the consistency and uniformity of seedling groups are guaranteed.