68results about How to "Improve transplant quality" patented technology

The invention provides a plug tray seedling sorting and transplanting machine which comprises a base and a machine body frame arranged at the upper end of the base, wherein a transplanting plug tray conveying belt is arranged at the upper end of the base, a transplanting positioning mechanism and a plug tray positioning mechanism are arranged above the transplanting plug tray conveying belt, the transplanting positioning mechanism is connected with the machine body frame, and a transplanting gripper device is connected with the bottom of the transplanting positioning mechanism in a sliding manner; the plug tray positioning mechanism comprises plug tray positioning units symmetrically arranged on the two sides of the transplanting plug tray conveying belt and is hoisted on the machine body frame; each of the plug tray positioning units comprises a plug tray positioning plate parallel to the transplanting plug tray conveying belt, a touch switch mounted on the plug tray positioning plate, a blocking lever cylinder and a blocking lever; one end of each blocking lever is pivoted onto the side wall of the corresponding plug tray positioning plate; the touch switch and the blocking lever cylinder are connected to a control box, the control box is connected with an image acquisition device positioned above the transplanting plug tray conveying belt. According to the plug tray seedling sorting and transplanting machine provided by the invention, the accurate positioning of a plug tray can be effectively realized through the arranged transplanting positioning mechanism.

The invention discloses a multi-functional transplanter, which comprises seedling planting mechanisms, an eccentric shaft and a sprocket, wherein a shaft arm on one side of the eccentric shaft is provided with a driving wheel disc and the sprocket for driving the eccentric shaft to rotate; the other side of the eccentric shaft is provided with a driven wheel disc; and the driving wheel disc and the driven wheel disc are connected with at least two groups of the seedling planting mechanisms. The multi-functional transplanter has the advantages of simple structure, high operation efficiency, high transplanting quality, high transplanting survival rate, integrated transplantation, ridging, fertilizer application and watering and the like, is suitable for tobacco seedling transplantation of nutrition bowl seedling and floating seedling with substrates, and can also be used for the transplantation of other vegetable seedlings.

The invention discloses a tomato plug seedling matrix and a preparation method thereof. Local peat is used as the material; poultry excrement is used as the earthworm feed; an environment suitable for the growth of earthworms is provided; the wormcast generated by processing the earthworm is sieved into wormcast compost of which the particle size is 1-4mm; the peat and the wormcast compost are uniformly mixed and mineral materials such as expansible vermiculite of certain fineness are added so as to improve the physical property and the buffer performance of the matrix and form the novel tomato plug seedling matrix. The volume percents of the components are that the peat is 5-15%, the wormcast compost is 55-65%, and the wormcast gardening compost is 25-35%. The tomato plug seedling matrix is simple in preparation method, rich in resource, cheap in material, less in environment pollution, abundant in nutrition and stable in property, and when the tomato plug seedling matrix is used for tomato plug seedling, the additional fertilization during the seedling period can be completely or partially avoided, the tomato seedling quality is improved, the pesticide application is reduced, labor and cost are saved while the seedling quality is ensured, and reliable guarantee is provided for the survival, the high-quality and high-efficient growth and the establishment of output and quality of transplanted tomato seedlings.

The invention relates to a multifunctional mulberry planting machine comprising a machine frame, a walking device mounted on the machine frame, a seedling taking device, a seedling planting device anda fertilizer discharging device installed on the front portion of the machine frame. The seedling taking device includes a seedling sending mechanism and a seedling clamping mechanism which are mounted on the machine frame. The seedling planting device is mounted on the machine frame mounted below the seedling clamping mechanism. The seedling clamping mechanism includes a seedling clamp capable of clamping and loosening a seedling, a connecting rod portion for clamping or loosening the seedling clamp and a driving portion capable of driving the seedling clamp to perform front-rear reciprocating motion. The seedling planting device includes a feeder disposed below the seedling clamp loosening portion and a seedling planting duckbill capable of performing reciprocating motion up and down. The feeder includes a plurality of seedling accommodating barrel which define a circle on the horizontal plane, and enables a rotatable bottom end cover to be opened, and after the bottom end cover ofthe seedling accommodating barrel is opened, the seedling accommodating barrel can be communicated with the seedling planting duckbill. Compared with the prior art, the multifunctional mulberry planting machine has the advantages of being compact in structure, small in size, high in efficiency, low in manufacturing cost and simple and convenient to operate.

The invention discloses a device and method with the pot seedling feeding speed capable of being adjusted automatically. The device mainly comprises a pot seedling shovel, a transferring unit, a detection sensor, a controller, a seedling distributing unit, side plates and a support. The transferring unit comprises a servo motor, a transmission shaft, a conveying belt, a tensioning shaft and a bearing. The seedling distributing unit comprises a seedling distributing rod, reset springs, a guide pillar and a support. Pot seedlings are placed into the transferring unit by an operator through the pot seedling shovel, the controller controls the servo motor to drive the conveying belt and drive the pot seedlings to move, when a planting device is connected with a seedling barrel to ascend to the seedling receiving position, the seedling distributing rod is controlled by the planting device to be ejected, meanwhile, the servo motor is driven to drive the pot seedlings to move forwards, the pot seedlings are connected with the seedling barrel under the action of gravity, the seedling distributing rod enables the feeding postures of the pot seedlings to be strengthened at the moment the pot seedlings fall off, and accordingly the planting quality of the pot seedlings can be improved. According to the device and method, automation for conveying and seedling distributing of the pot seedlings in the transplanting mechanical operation process is achieved, overfatigue caused by frequent action repetition and nervous tension happening due to the fact that people are afraid of seedling leakage in a traditional manual seedling feeding method are avoided, the structure is simple, operation is convenient and fast, and planting efficiency and quality are improved.

The invention discloses an automatic plug-tray seedling transplanting device. The device comprises a rack, a plug tray conveying system, a transplanting manipulator system, a flowerpot conveying system and a control system; the plug tray conveying system and the flowerpot conveying system are located at the two sides of a bottom plate of the rack respectively, and the transplanting manipulator system is arranged in the middle above the rack and is slidably connected with the rack; the plug tray conveying system comprises a first belt, two transmission shafts, a speed reducer and a first motor;the flowerpot conveying system comprises a second belt, a belt driving shaft, a belt driven shaft and a second motor; the transplanting manipulator system comprises a manipulator bracket, a pneumatictelescopic device, a seedling taking claw bracket, a seedling taking claw and a position detection device. The automatic plug-tray seedling transplanting device can achieve automatic and precise seedling taking and seedling placing operation on plug-tray seedlings, avoid the damage to the seedlings in the manual transplanting process, achieve the automation of the transplanting and production process of the plug-tray seedlings, reduce the labor intensity of the plug-tray seedling transplanting operation, and improve the plug-tray seedling transplanting quality.

The invention discloses a device for longitudinal transplanting an oilseed rape pot seedling in a groove. A rack is provided with a transmission; the transmission is connected with a planter and a soil holding device, wherein the planter and the soil holding device are installed on the rack; a furrower, a soil pushing device, a seedling guidance device and a seedling conveying cup assembly are installed on the rack; a side surface is provided with a plantation groove; the planter carries out longitudinal reciprocating type transplantation in the plantation groove; the oilseed rape pot seedlingis implanted in the backfill soil in the plantation groove, transplantation speed is effectively improved, and high efficient plantation is realized; a seedling pushing plate in the planter rotates around an own small angle while carrying out horizontal seedling pushing for preventing backward seedling and soil throwing during high-speed horizontal transplantation; horizontal and longitudinal transplantation is cooperated with the soil covering way of the soil holding plate to generate an effect on simulating manual transplantation and soil holding, and young seedling transplantation qualityis effectively improved; a cam is adopted to control a seedling conveying cup opening and closing mechanism so as to effectively improve seedling falling accuracy and row spacing consistency; a slippage shifting gear is adopted to form a three-gear regulation function of sparse row spacing, middle row spacing and close row spacing so as to adapt to the requirements of the oilseed rape plantation density of different parcels of rice field.

The invention discloses a transplanting method for performing longitudinal control in a rape pot seedling ditch. A rape pot seedling transplanting operation is carried out by an inner-ditch longitudinal transplanting machine; a transmission gear is arranged on a frame of the inner-ditch longitudinal transplanting machine; the transmission gear is connected with a planting device and a soil holdingdevice mounted on the frame; a ditcher, a bulldozer, a seedling guiding device and a seedling conveying cup assembly are mounted on the frame; a planting ditch is formed on a ridge side; the plantingdevice is used for performing reciprocating transplanting along a horizontal-longitudinal direction in the planting ditch in order to plant the rape pot seedlings into reclaimed soil of the plantingditch, so that the transplanting speed is increased effectively; a seedling pushing plate of the planting device is used for pushing the seedlings and can rotate at a small angle to prevent backward throwing of seedlings and soil during high-speed horizontal transplanting; the horizontal longitudinal transplanting is performed together with earthing by a soil holding plate in order to simulate manual transplanting and soil holding, and effectively enhance the seedling transplantation quality; a starting-stopping mechanism of a seedling conveying cup is controlled through a cam, so that the seedling dropping accuracy and row spacing consistency are improved effectively; multi-gear adjustment is performed by adopting a slide shifting gear in order to meet the requirement on different planting densities.

The invention discloses a seedling fetching and planting method for tray seedling transplantation. By planning a seedling fetching sequence of a seedling supply tray, a seedling planting sequence of a seedling planting tray and seedling fetching and planting routes and heights of a seedling fetching pawl of a transplantation robot, the tray seedling transplantation robot is enabled to stably and quickly transplant tray seedlings, so that the seedling fetching and planting interference phenomenon is avoided, the seedling damage rate is reduced, and the transplantation efficiency is improved; and the method can be applied to the field of automatic transplantation of the tray seedlings.

The invention discloses a circulation type rape pot seedling transplantation device. The circulation type rape pot seedling transplantation device comprises a seedling conveying device, a furrow opener, soil casting mechanisms, and a transplanting mechanism; the seedling conveying device is arranged at the middle part of a machine frame; the transplanting mechanism is arranged on the machine frame; the transplanting mechanism is arranged at the front end of the seedling conveying device; rotary transplanting unit vertical beating pot seedling surface transplanting manner is adopted by the transplanting mechanism; transplanting speed is fast, and efficiency is high; the furrow opener is arranged at the lower part of the front end of the machine frame, is used for digging an inverted trapezoidal or square seedling planting groove, and then is used for transplanting rape pot seedling into the inverted trapezoidal or square seedling planting groove, so that a problem in the prior art thatpot seedling rupture is easily caused in high speed transplanting of pot seedlings into high humidity dry land; the soil casting mechanisms are arranged at the two sides of the back end of the seedling conveying device, soil extrusion and soil casting are adopted, so that influences of casted soil on pot seedling transplanting upright degree are reduced, and transplanting quality is increased; a parallel type synchronous deflect structure is composed of a seedling conveying barrel, the machine frame, a connecting rod, and a transmission case, so that in rape pot seedling planting process, planting speed with relative to the ground is close to zero, and transplanting quality is increased effectively.

A transplanting method for horizontal reciprocating control of rape pot seedlings includes: adopting a rape pot seedling horizontal-reciprocating transplanting machine to implement horizontal-reciprocating transplanting; and utilizing a slidable dual gear composed of second-gear and third-gear driving gears, a shifting fork and a first-gear driving gear, wherein the slidable dual gear can be meshed with a third-gear driven gear and a second-gear driven gear to realize a row spacing three-gear adjusting function to meet different planting density requirements; allowing an output shaft of a speed changer to drive a crank to rotate, wherein the crank drives a first crank rocker component and a second crank rocker component to be in horizontal reciprocating motion to reciprocatingly plant therape pot seedlings onto backfilled soil of planting trenches from the horizontal direction to realize horizontal-reciprocating transplanting. A seedling pushing plate in the transplanting machine rotates by a small angle around itself during horizontal seedling pushing to prevent backward seedling throwing and soil throwing during high-speed horizontal transplanting, so that speed and quality of the rape pot seedlings are improved.

The invention relates to a harvester for panax notoginseng stems and leaves, and belongs to the field of agricultural machinery. The harvester comprises shearing knives, a driven transmission shaft, walking wheels, a machine frame, a conveying belt, a belt I, a driving transmission shaft, a collecting box, a gearbox, a bearing with a seat, a secondary transmission shaft, a connecting rod and pins.The walking wheels are connected with the machine frame; the shearing knives are fixed at the bottom of the machine frame; power transmitted from an external power device is transmitted to a groove cam sequentially through the gearbox, the driving transmission shaft and the secondary transmission shaft; the groove cam and the connecting rod form a cam sliding block mechanism; the connecting rod is connected with the shearing knives in sequence; and the intermittently moved connecting rod drives the shearing knives to carry out cross movement, so that shearing movement of the shearing knives is realized. The harvester provided by the invention is reasonable in structural design, good in operation quality, high in operation efficiency, reliable in operation, high in universality degree andhigh in practicability, and requirements for harvesting panax notoginseng stems and leaves are completely met.

The invention discloses a hanging cup type planting device driving system based on a DC brushless motor. A planting device is used for hole punching and seeding planting work in seeding transplanting. The hanging cup planting device based on the DC brushless motor comprises a controller module, a driver module, a storage battery power supply module, the DC brushless motor, a feedback module, a decelerator, a transmission mechanism and a hanging cup transplanting mechanism. The transmission mechanism transmits power and drives a crank rocker mechanism to move, and the put-in pot seeding is carried by a hanging cup when the crank rocker mechanism moves to the highest point; and soil dusting and hole punching are performed by the hanging cup when the crank rocker mechanism moves to the lowest point, and the pot seeding is put in the hole so that seeding planting work is completed. A driving control part is mainly composed of the controller, the DC brushless motor, the driver and the feedback module. The driving system can accurately control movement of the hanging cup via high-precision closed-loop control of motor speed and torque. According to the driving system, the hanging cup can be driven to stably complete planting movement according to the specific movement characteristics so that seeding planting frequency and reliability can be enhanced and short-planting-distance close transplanting work can be realized.

The invention belongs to the technical field of flue-cured tobacco seedling raising and discloses a flue-cured tobacco seedling raising control method, system and device and a flue-cured tobacco seedling raising method. The flue-cured tobacco seedling raising control system comprises a nutrient solution control unit which is used for monitoring and regulating a temperature and a height of a nutrient solution in the seedling raising box unit, a temperature and humidity control unit which is used for monitoring and regulating air temperature and humidity in the seedling raising box unit and theseedling raising box unit which is used for equipping seedling raising trays according to different transplanting densities for raising tobacco seedlings. By adopting the flue-cured tobacco seedling raising control system disclosed by the invention, a tobacco seedling growing environment, nutrient solution components and the like are precisely controlled, so that the mechanization and automation degrees of operation links such as disinfection, temperature control, humidity control, fertilization, medication and seedlings hardening during flue-cured tobacco seedling raising are improved, the technical requirements of flue-cured tobacco seedling raising management for seedling raising personnel are lowered, the influence of personnel operation on flue-cured tobacco seedling raising management is avoided to a great extent, human input of a flue-cured tobacco seedling raising link is reduced, and the awkward situation that current flue-cured tobacco production is insufficient in employee and low in overall quality can be effectively relieved.

The invention provides a supporting frame for tree transplanting. The supporting frame for tree transplanting comprises ground piles, connecting plates and supporting plates. The ground piles are of T-shaped structures, the lower ends of the ground piles are closely attached to the inner wall of a transplanting hole and fixed in soil of the bottom of the transplanting hole, and the upper ends of the ground piles are coincident with the ground height of a hole opening of the transplanting hole; two thread rods are fixed to the tops of the ground piles; the two ends of the connecting plates are installed on the thread rods of the tops of the two adjacent ground piles respectively; the thread rods penetrate through the connecting plates upwards and extend out of the tops of the connecting plates; the supporting plates are located above the connecting plates and are of slant I-shaped structures, first transverse plates at the bottoms of the supporting plates are installed on the thread rods at the tops of the ground piles and fixed through nuts, and vertical plates of the supporting plates are slant towards the medial axis of the transplanting hole; a second transverse plate of the tops of every two adjacent supporting plates is fixed through bolts. The supporting frame for tree transplanting is simple in structure, convenient to assemble and disassemble and good in firm performance, the wind force effect of strong wind can be well resisted, large trees are not prone to slant or lodging, and the survival rate or the transplanting quality of the large trees is increased.

The invention discloses a control method of a circulating propulsion-type rape pot seedling transplanting device. By the control method, the circulating propulsion-type rape pot seedling transplantingdevice is used for controlling rape pot seedling transplantation. In the circulating propulsion-type rape pot seedling transplanting device, a transplanting mechanism is mounted on a machine frame, is positioned at the front end of a seedling conveyor and is high in transplanting speed and transplanting efficiency; a ditch opener is mounted below the front end of the machine frame; an inverted trapezoidal or square trough-shaped seedling planting ditch is opened first, and then a rape pot seedling is vertically transplanted into the seedling planting ditch, so that the problem that the stem of the pot seedling transplanted at high speed in a high-humidity dry land is easy to break is effectively solved; soil covering mechanisms are positioned on the two sides of the back end of the seedling conveyor respectively; by a soil covering method of squeezing soil first and then covering the soil, the influence of the covered soil on the pot seedling transplanting erection degree is reduced and the transplanting quality is improved; and a seedling conveying barrel forms a parallel synchronous deflection structure through the machine frame, a connecting rod and a transmission box, so thatthe rapepot seedling is transplanted at a speed close to zero relative to the ground in the process of entering the soil, and the transplanting quality is effectively improved.

The invention discloses a multi-purpose ground real-time automatic profiling device. The multi-purpose ground real-time automatic profiling device comprises a profiling plate height adjusting component, a planting mechanism height adjusting component and a ground height change detecting component. The planting mechanism height adjusting component comprises a connecting plate I, an electric push rod and an electric push rod mounting plate; and the ground height change detecting component comprises a ground height change signal detecting component, a detecting rod, an adjusting rod and a profiling plate. During transplanting operation, a sensor detects a surface relief signal, a controller receives the signal and controls the electric push rod to drive the planting mechanism to rotate, meanwhile, the working time of the electric push rod is recorded, when the ground recovers to the original horizontal position, and the controller keeps controlling the electric push rod to work to enablethe planting mechanism to recover to a normal working height. The invention discloses the novel ground automatic profiling device. The novel ground automatic profiling device is simple in structure and convenient to operate, a mechanical, electric and programmed integrated control mode is adopted, the multi-purpose ground real-time automatic profiling device is suitable for transplanting multiplecrops, consistency of transplanting depths of potting seedlings is ensured, and the transplanting quality and survival rate of the potting seedlings are improved.

The invention discloses a rapid blood vessel anastomosis device. The rapid blood vessel anastomosis device comprises a first end sleeve, a second end sleeve, a nail hammer and a handheld suturing nail percussion assembly, wherein the first end sleeve and the second end sleeve are coaxially arranged in an end-to-end opening and closing mode. The first end sleeve comprises a nail bin and the nail hammer, the nail bin is provided with a plurality of nail bin holes which are through along the axial direction and used for containing suturing nails, and suturing nail pushing pieces at one end of the nail hammer are used for being inserted into the nail bin holes in a one-to-one correspondence and matched mode from one end of the nail hammer; the second end sleeve is provided with a plurality of nail anvils; and the handheld suturing nail percussion assembly is used for being connected with the nail hammer of the first end sleeve and the second end sleeve, and clamping force is applied by holding the handheld suturing nail percussion assembly by a hand, so that the suturing nails in the corresponding nail bin holes are pushed out by the suturing nail pushing pieces of the nail hammer, and blood vessel suturing is conducted under the cooperation of the nail anvils. The rapid blood vessel anastomosis device can be used for conveniently and rapidly connecting blood vessels in a narrow in-vivo space during organ transplantation, the blood vessel anastomosis quality is high, the activity of an organ after transplantation can be improved, and the risk of transplantation complications is lowered.

The invention discloses an accelerated fall type rape pot seedling transplanting device. The accelerated fall type rape pot seedling transplanting device comprises a seedling conveying device, a furrow opener, soil casting mechanisms, and a seedling protection mechanism which are arranged on a machine frame; the seedling conveying device is arranged at the middle part of the machine frame; the furrow opener is arranged at the lower part of the machine frame in front of the seedling conveying device; the seedling protection mechanism is arranged on the machine frame at the back part of the seedling conveying device; the soil casting mechanisms are arranged at the two sides of the back end of the seedling conveying device; accelerated fall type transplanting is adopted by the seedling conveying device, rape pot seedlings are inserted into soil under the effect of the inertia force of high speed seedling falling, seedling transplanting process is simple; a seedling conveying barrel is accelerated using high pressure gas flow, the structure is simple, gas flow is concentrated, and acceleration effect is excellent; in transplanting process, the synchronously rotating hairbrush seedlingprotection mechanism is capable of avoiding rape pot seedling overturning in soil casting process, and increasing transplanting quality.

The invention discloses a self-adaptive seedling feeding control system and method for a plug seedling transplanter. The self-adaptive seedling feeding control system mainly comprises a seedling feeding mechanism, a control system and a pot seedling detection system. The pot seedling detection system detects passing seedling cups in real time, judges whether plug seedlings exist in the seedling cups or not, comprehensively detects the number of continuous seedling cups without seedlings, and realizes self-adaptive control to complete seedling feeding compensation by applying a grey innovation GM (1, 3) theory; and a stepping motor serving as a power output part drives the whole seedling feeding mechanism, coordinately controls the stepping motor and a planting device and changes the seedling feeding speed, so that a seedling cup without pot seedlings quickly jumps when reaching a position to be fed with the seedlings, the pot seedlings in the seedling cup with the seedlings are accurately fed into the planting device, seedling feeding and seedling supporting actions are completed, and coordinated and synchronous operation of all the parts is realized. The self-adaptive seedling feeding control system is mainly used for the semi-automatic plug seedling transplanter, the seedling feeding efficiency and the success rate during semi-automatic transplanting operation can be improved, and the problems that manual seedling feeding efficiency of the semi-automatic transplanter is low, operators are prone to being fatigued, and missing planting is caused are solved.

The invention relates to a dry land bare-rooted seedling transplanter which comprises a rack, a controller, a furrow opener, a soil covering pressing wheel, a land wheel and a seedling throwing device, wherein the controller, the furrow opener, the soil covering pressing wheel, the land wheel and the seedling throwing device are arranged on the rack. The seedling throwing device comprises a firstchain wheel, a second chain wheel, a third chain wheel and a fourth chain wheel which are mounted on the rack; the first chain wheel and the second chain wheel are in transmission connection through afirst chain; the third chain wheel and the fourth chain wheel are in transmission connection through a second chain; a seedling clamping device is fixed onto the second chain and comprises a supporting rod fixed onto the second chain; two clamping plates are hinged to the supporting rod; connecting plates are hinged to ends, which are far away from each other, of the two clamping plates; the ends, which are far away from the clamping plates, of the two connecting plates are hinged through a connecting shaft. According to the device, a slit structure is omitted, the shortcoming caused by the fact that gaps of slits cannot be adjusted is fundamentally overcome, the distance between the two clamping plates can be adjusted according to the sizes of the seedlings so as to clamp the seedlings,meanwhile, the seedlings are prevented from being clamped, and seedling transplanting quality and efficiency are greatly improved.

The invention provides a well cellar-type transplanting method for flue-cured tobacco. The well cellar-type transplanting method includes: ridging; covering of a film and laying of a drip irrigation belt, namely after ridging, covering the plastic film on the surface of a tobacco ridge and laying the drip irrigation belt at a certain distance from the center of the ridge; soil moisture, namely moisturizing the tobacco ridge through the drip irrigation belt; well cellar making, seedling planting and sealing, namely using a punch to punch along the center of the tobacco ridge, wherein the punched hole is a well cellar, the well cellar is sealed with fine soil so that a nutrition bowl and a stem base of tobacco seedlings are in close contact with the fine soil, however, core leaves of the tobacco seedlings cannot be buried by the fine soil; drip irrigation and watering. With the method, drip irrigation instead of artificial watering not only reduces labor cost by more than half, but alsohas a higher survival rate and shorter seedling return time after planting; therefore, the transplanting mode is of great significance to improve the transplanting quality of the flue-cured tobacco bydrip irrigation instead of artificial watering in order to alleviate the problems of difficult and expensive employment and the like.

The invention discloses a seedling falling device applicable to a bottomless seedling tray. The seedling falling device comprises a bracket, wherein a synchronous jacking assembly for simultaneously jacking out two or more potted seedlings in the bottomless seedling tray and a synchronous seedling falling assembly for simultaneously supporting two or more potted seedlings are mounted on the bracket; the synchronous seedling falling assembly is positioned below the synchronous jacking assembly. A seedling taking machine comprises a rack, wherein the rack is provided with a deformation driving device, a tray feeding device for driving the bottomless seedling tray to pass through the deformation driving device and the seedling falling device, and the deformation driving device is used for forcing a top plate to be bent and deformed so that the bottoms of the front pot wall and rear pot wall of each pot body get away from each other. The deformation driving device is positioned between thesynchronous jacking assembly and synchronous seedling falling assembly of the seedling falling device. The seedling taking machine has the advantages of greatly reducing the labor intensity, loweringthe cost, improving the transplanting efficiency, improving the transplanting quality and the like.

The invention relates to a radix notoginseng seedling grader and belongs to the technical field of agricultural machines. The radix notoginseng seedling grader comprises a sorting device I and a grading device II. The sorting device I drives a screening work table to vibrate by means of vertical motion of a vibrating spring. The grading device II comprises gravity sensors, grading rods, a grading working table and a conveyor belt. The conveyor belt of the grading working table is provided with the grading rods. The gravity sensors are arranged below the conveyor belt and above the grading working table. The grading rods are arranged on the conveyor belt at intervals. The front of each grading rod is provided with one gravity sensor. A discharging port and a collecting box are arranged between every two grading rods. The gravity sensors and the grading rods are connected with a control device. The radix notoginseng seedling grader can classify seedlings better, thus, soil and labor force can be utilized conveniently, transplanted radix notoginseng grows excellently, the yield is increased, standardized operation is achieved, and excellent radix notoginseng is produced.

The invention provides a rice-stubble tobacco transplanting rapid survival-promoting fertilizer and an application method thereof, and belongs to the technical field of agricultural planting. The rice-stubble tobacco transplanting rapid survival-promoting fertilizer is mainly characterized in that a bioorganic fertilizer and ash soil are uniformly mixed according to a certain ratio and are fertilized to obtain the transplanting rapid survival-promoting fertilizer, and the rapid survival-promoting fertilizer is applied to soil in the root zones of tobaccos in a concentrated way. The transplanting rapid survival-promoting fertilizer integrates the advantages of the ash soil and the bioorganic fertilizer, does not carry pathogenic bacteria harmful to the tobaccos, and has the effects of preserving heat, improving water permeability, enriching microbes in the root zones of tobacco seedlings and optimizing the microecological environments of root systems; the transplanting rapid survival-promoting fertilizer is applied to the soil in the root zones of tobacco plants in a concentrated way, and can seal gaps between the tobacco seedlings and large rice soil; through sufficient contact of roots, the soil and the fertilizer, the fertilizer is concentrated in the root zones of the tobacco seedlings and is easier to absorb, so that rapid survival of the tobaccos is better facilitated; the transplanting rapid survival-promoting fertilizer has obvious growth-promoting, yield-increasing and quality-improving effects.

The invention discloses a stevia rebaudiana bowl blanket seedling transplanting device. The stevia rebaudiana bowl blanket seedling transplanting device comprises a seedling arranging mechanism, a seedling taking mechanism and a planting mechanism, the seedling arranging mechanism, the seedling taking mechanism and the planting mechanism are sequentially arranged from front to back, the seedling arranging mechanism comprises a driving mechanism I, a conveying mechanism and a positioning mechanism, the conveying mechanism is arranged on the driving mechanism I, and the positioning mechanism is arranged on the conveying mechanism. The seedling taking mechanism comprises a seedling separating mechanism and a seedling conveying mechanism used for conveying seedlings separated by the seedling separating mechanism to the planting mechanism, and the planting mechanism comprises a driving mechanism and a seedling planting assembly driven by the driving mechanism. Compared with the prior art, the transplanting quality can be improved, the reliability is good, and the seedlings are not prone to being damaged in the whole process.

The invention discloses a tomato seedling substrate and a preparation method thereof. The preparation method comprises the following steps: with cow dung dry-wet separation liquor and rice straw as base raw materials, regulating a carbon nitrogen ratio to provide an environment suitable for microbial growth, fermenting and composting, sieving composted materials obtained through microbial treatment to obtain materials with grain size of 1-5mm, sufficiently mixing, and then adding expansibility vermiculite and garden soil with certain fineness to improve the physical character and buffer property of a substrate so as to form the tomato seedling substrate, wherein the tomato seedling substrate comprises the following components in percentage by volume: 60%-80% of straw composted particles prepared from cow dung dry-wet separation liquor and rice straw, 10%-20% of expansibility vermiculite and 10%-20% of garden soil. The method is simple. The raw materials are abundant and cheap, environment pollution is reduced, nutrient is sufficient, the character is stable, the operation of topdressing during the seedling period of tomatoes can be completely or partially avoided, the seedling quality is improved, the pesticide application is reduced, the seedling quality is guaranteed, the labor and the cost are saved, and reliable guarantee is provided for the survival, the high-quality and high-efficient growth and the yield and quality of transplanted tomato seedlings.

The invention discloses a flue-cured tobacco transplanting method. Flue-cure tobacco transplanting comprises the six phased steps of preparation, disinfection, hole making, seedling placing, soil filling and watering, nutrient soil preparation and disinfectant hand-washing measures are matched before transplanting is conducted, streamline tasks are adopted, each process is relatively fixed, operation is simple and easy to master, the flue-cured tobacco transplanting efficiency is greatly improved, the labor cost of transplanting is effectively reduced, the transplanting quality is improved, the time of seedling restitution after tobacco seedling transplanting is shortened, early and fast growth of tobacco seedlings is facilitated, the problems that the seedling restitution time of the tobaccos is too long, the growth period of tobacco plants is delayed, yellowing is slow in the later period are improved, and the problems that in the past transplanting method, processes of operating personnel are chaotic and unmanageable, root systems can not be wrapped by manually stirring soil in transplanting holes through bamboo chips, and contradiction of tobacco and rice crops is fierce are solved; the quality level of tobacco leaves is improved, promotion of comprehensive benefits of planting tobacco and rice by farmers is facilitated, and the requirements of the farmers on reducing the cost and increasing income and requirements of cigarette industry on high-quality tobacco leaf raw materials are well met.

An apparatus having an automatically adjustable pot seedling feed rate and a method therefor are provided. In some embodiments, the apparatus comprises a pot seedling scooper, a conveyance unit, a detection sensor, a controller, a seedling sorting unit, side panels, and brackets. The conveyance unit comprises a servomotor, a transmission shaft, a conveyor belt, a tension shaft, and a bearing. The seedling sorting unit comprises a seedling sorting rod, a reset spring, a guide post and a support seat.

The invention relates to the technical field of agricultural machinery and discloses a self-propelled transplanting method of tobacco seedlings and a transplanter. The transplanter comprises a front drive power unit (1), a steering mechanism (10) and a rear mounted integrated unit, wherein a chassis (16) of the integrated unit is connected with a support of the front drive power unit through a pin shaft of the steering mechanism (10); and the front drive power unit (1) is arranged on the support of the power unit. The transplanting method completes the transplanting of the tobacco seedlings through a transplanting mechanism under the front drive as well as the water supply, pesticide application and fertilizer application of the transplanted tobacco seedlings during transplanting process. In addition, the fixed-hole, quantitative and fixed-pitch transplanting of the tobacco seedlings can be realized, therefore, the labor intensity is greatly reduced, the working efficiency is improved, and the transplanting quality is fully improved. The self-propelled transplanting method of tobacco seedlings and the transplanter have reasonable structural design, compact layout, complete functions, high degree of automation and wide application range, are convenient to use and are applicable to various models of transplanting machines.