42results about How to "Live fast" patented technology

The invention belongs to the technical field of plant cultivation, and relates to a plant cultivation method, in particular to a cultivation method of broccoli. According to the greenhouse broccoli high-yield and high-efficiency cultivation technology, the disease resistant, medium-maturing and late-maturing broccoli with the long picking time is selected, seeds are sown, germination acceleration and poikilothermic treatment are carried out on the seeds, main root tips are cut off, growth of lateral roots are facilitated, and the seeds are cultivated in an open-mouthed rectangular container; meanwhile, by means of a nutrient solution, the seedling stage quality is good, the leaf color is dark green, the sound seedling index reaches more than 99%, planting is carried out when the seedling age is about 30 days, the seedling slowing time is short, the growth is fast, the ultimate capacity is high, the quality is good, the temperature inside a greenhouse can be adjusted by opening or closing large and small greenhouse thin films from the initial budding stage to the harvesting process of the broccoli particularly in autumn and winter which are low-temperature seasons, higher economic benefits can be obtained after the broccoli appears on the market before or after a festival, meanwhile, the quality of the broccoli is improved, the yield per mu can reach more than a ten thousand yuan, and the standardized pollution-free greenhouse cultivation is achieved.

The invention discloses a mulberry panicle-sprout grafting-cuttage seedling raising method which enables mulberry to become good mulberry varieties in one step. The method comprises the following steps: selecting and preparing materials; grafting in a single-branch multi-sprout way; bagging nutritional soil; cutting and planting a grating body; managing after the grafting; transplanting a seedling; and managing after transplantation. The invention uses Japanese mulberry, hybrid mulberry, Chinese mulberry 5801, Fengchi mulberry, Guangxi excellent mulberry series, Guangdong mulberry series, Hunan hybrid mulberry series, Nongsang series, mulberry series and the like which can easily take roots and survive after cuttage, as the tree stock; a mulberry winter budding technique is adopted for multi-sprout grafting the excellent panicle sprouts on the branch of the tree stock; and a single sprout is planted into the nutritional soil to germinate and grow, thereby directly cultivating an excellent mulberry seedling. The seedling raising method has the advantages of cost saving, high efficiency and high speed. The invention can be used not only for raising and breeding mulberry seedlings, but also for one-step orchard establishment and fix planting. The invention promotes the excellent mulberry to put into production and has important value.

The invention discloses a rice field-upland field rotation method for achieving no-tillage double cropping of late rice in a spring maize field. The method comprises the steps of early-spring soil tillage and ditching and ditch making, spring maize variety selecting and sowing, spring maize field management, maize harvesting and straw treatment, late rice sowing and seedling raising, late rice seedling bed period management, late rice no-tillage pot seedling transplanting, fertilizer and water management of land for growing field crops and the like. By means of the rice field-upland field rotation method for achieving no-tillage double cropping of the late rice in the spring maize field, successful arranging of double cropping of spring maize and the late rice is achieved, the annual light and temperature resource use ratio is increased, the farming consumption time of crop change of the maize and the late rice is shortened, the mechanical input cost is reduced, the annual grain yield per mu is 1,300 kilograms or above, and the annual benefit per mu is significantly improved.

The invention discloses a seedling growing method for spinach. The seedling growing method for spinach comprises the following concrete steps: sterilization; seed soaking; microwave treatment; ultrasonic treatment; magnetic field treatment and sowing. The seedling growing method is scientific, reasonable, simple, practicable and easy in management, and facilitates operation and implementation by growers; a transplanted plant has strong drought resistance; and spinach planted with the method is tender and delicious, high in nutritional value, suitable for large-scale cultivation, high in output and good in quality, and can totally meet market demands.

The invention discloses a flue-cured tobacco floating seedling culture medium and a preparation method thereof. The culture medium comprises the following components in parts by volume: 30-45 parts of soil, 30-45 parts of fire soil, 20-30 parts of farmyard manure and 2-2.5 parts of nutrient solution fertilizer. By completely substituting the flue-cured tobacco seedling culture medium and screening out the proper material composition and proportioning, the culture medium disclosed by the invention can effectively enhance the rate of emergence and stocking percent, promote the growth of the tobacco seedlings, enhance the quality of the tobacco seedlings, and enhance the rate of emergence of the tobacco seedlings to 85% and the stocking percent after in-field seedling supplementation to 97.5%. Compared with the conventional-quality flue-cured tobacco floating seedling culture, the tobacco seedling cultured by the culture medium disclosed by the invention has the advantages of high quality, thick stems, developed root system, high drought resistance, high stress tolerance, quick survival and the like; and the culture medium does not use grass carbon, thereby lowering the development of nonrenewable resources and protecting the environmental resources. The culture medium does not pollute the environment in the manufacturing process, and has the function of environmental protection. The material sources are wide and are not restricted by regions, and the manufacturing method is simple, thereby greatly lowering the flue-cured tobacco floating seedling culture cost.

The invention discloses a live broadcasting method and live broadcasting APP server and collaborated APP client to be applied in the field of network broadcasting. The live broadcasting method is described as follows: the receiving collaborated APP client is inserted with an identity authentication information delivered by SDK of the live broadcasting APP, which is provided by the collaborated APP client to the SDK of the living broadcasting APP on the basis of user's living broadcasting request when initiating the live broadcasting APP; to verify the identify authentication information to the collaborated APP server; to distribute a live broadcasting account, which is used for the log in of SDK of the live broadcasting APP and initiating live broadcasting, after receiving feedback information that the said identity authentication information delivered by the the collaborated APP server has passed the verification. The invention solves the technical problem that operation procedures is quite complex in initiating a live broadcasting in existing live broadcasting realization schemes and it can initiate live broadcasting directly and rapidly on a collaborated APP.

The invention discloses a seedling raising method for summer squash. The seedling raising method comprises the following concrete steps: disinfection treatment, seed soaking treatment, microwave treatment, ultrasonic treatment and ultraviolet treatment. The method provided by the invention is scientific, reasonable, simple and practicable, is simple and convenient to manage, and facilitates operation implementation by growers; transplanted plants have strong drought resistance; and the planted summer squash has the advantages of fresh and tender quality, good taste, high nutritional value, applicability to large-scale cultivation, high yield, good quality, and capability of completely meeting the needs of market.

The invention discloses a method for protecting a trial witness picture. The method comprises the following steps of taking a witness room picture before a witness enters a witness room as a reference frame, taking a witness room picture after the witness enters the witness room as a current frame, and executing an encoding process; calculating the sum of brightness absolute differences between macro blocks corresponding to the reference frame and the current frame; determining a witness rectangular region in the current frame according to a macro block whose sum of brightness absolute differences is greater than or equal to a threshold, and setting the witness rectangular region as a region of interest in the current frame; setting an H.264 coding quantization parameter of the region of interest in the current frame to be larger than H.264 coding quantization parameters of other regions except the region of interest in the current frame; performing H.264 encoding on the current frame and then sending out the current frame; and taking the current frame as the reference frame, taking the next frame of the current as the current frame, and repeating the encoding process circularly. The invention further discloses a trial witness picture protection device and system, and a video motion picture protection method and device. The method, the device and the system for protecting the trial witness picture and the video motion picture provided by the invention can realize the dynamic protection of the witness picture in motion, and ensure real-time and fast trial live streaming.

The invention relates to the technical field of planting, and discloses a Plectranthus hadiensis cutting propagation method. The Plectranthus hadiensis cutting propagation method includes scion selection, scion treatment, scion cuttage, management after cuttage, and seedling training and transplanting. The method is simple, the scions can rapidly survive, roots are taken within the 7th-8th days, leaves grows up within the 10th-12th days, the survival rate can reach 99%, the planting efficiency can be remarkably improved, and lots of planting cost can be saved; mother plants are sprayed with a seedling strengthening liquid before the scions are cut, the mother plants can grow up healthy and strongly and store more nutriment ingredients, and after cuttage, the scions can use stored nutriments of the scions to maintain the living activities, accelerate callus generation, enhance the environment adaptability, accelerate rooting, and improve the survival rate of the scions.

A cultivating method for fast foresting of tea trees is characterized by comprising the following steps that firstly, a northward barren mountain land slope is selected as a tea garden; secondly, a perfect water conservancy system is constructed; thirdly, holes are directly punched in uncultured soil along the contour line 20-35 days before the Tomb Sweeping Day every year, and the tea trees are prepared to be planted; fourthly, after being planted, tea seedlings are watered enough for rooting; fifthly, afforestation is carried out; sixthly, base fertilizer ditches with the width not larger than 5 cm and the depth not smaller than 10 cm are dug in the position 10 cm to 20 cm away from the seedling roots; seventhly, the roots of the tea seedlings are started to be hilled 5-10 days after application of base fertilizer; eighthly, pinching pruning is carried out 5-6 months after field planting and surviving of the tea seedlings; ninthly, insect diseases need to be prevented in time in the growing process of the tea seedlings; tenthly, heat preservation needs to be noticed in spring and winter, and cold spell in the later spring is prevented.According to the method, the forest establishment period of tea can be shortened.

The invention discloses a cuttage technology for bougainvillea speetabilis. The cuttage technology comprises the following steps: S1) collecting cuttage branches: collecting well-growing bougainvillea speetabilis branches, and trimming the half bottoms of the bougainvillea speetabilis branches till the length of the trimmed bougainvillea speetabilis branches is 12-16cm, thereby obtaining the cuttage branches; S2) treating the cuttage branches: cutting the lower ends of the cuttage branches into a conical shape, cutting off 3 / 4 of blades, reserving 1 / 2 of top blades, and soaking the lower ends of the cuttage branches in the cooled boiled water containing the rooting liquid, wherein the soaking length of the cuttage branches is 4-6cm and the continuous soaking time is 2-3h; and S3) preparing a substrate: preparing deep soil, flower soil, bio-organic fertilizer and activated carbon powder, fully and uniformly mixing the raw materials for preparing the substrate, putting the substrate into an autoclaving pot for sterilizing for 10-20min, taking out and placing the substrate into a nutrition pot, watering the substrate in the nutrition pot, and standing by for 10-20min. The cuttage technology has the advantages of novel conception, unique measures, simple process, easiness in implementation, no infrastructure investment, less investment, obvious effect and worth of wide popularization and application.

The present invention discloses a cultivation method for lobular red sandalwood nursery stock. The method is characterized by comprising the following steps of: 1) selecting a shoot for cutting: selecting a root segment of a lobular red sandalwood tree with roughness of 0.5-1 cm and a length greater than 6 cm as the shoot for cutting; 2) controlling cuttage time; 3) treating the shoot for cutting; 4) preparing a cuttage medium: using a cuttage container filled with a nutrient medium to carry out cuttage, the nutrient medium comprising, from bottom to top, a first-layer medium, a second-layer medium, and a third-layer medium, wherein the first-layer medium is formed by mixing black soil, biogas, and peat in a mass ratio of 1:1:1 ; the second-layer medium is formed by mixing leaf mold, coconut dust, and vermicompost are mixed in a mass ratio of 3:1:2 ; and third-layer medium is formed by mixing leaf mold and vermicompost in a mass ratio of 2:1; and and 5) carrying out a cuttage process: controlling inserted depth of the shoot for cutting to not exceed 1 / 3 the second-layer medium. The lobular red sandalwood nursery stock cultivated by the cultivation method disclosed by the invention can grow to be used for making furniture about 20 years later after transplanting, and the growth rate of the lobular red sandalwood is significantly increased.

The invention belongs to the technical field of plant modeling, and discloses a plant modeling method. The plant modeling method includes the five steps of digging a tree pit, installing a support, selecting a seedling for planting, cutting branches for culturing and conducting auxiliary modeling. Plant modeling is completed under the leeward shade condition, the final plant model is more attractive through the support and the cut-for-culture mode, modeling can be realized in the current year, the formed plant model can be moved, and the plant is rapid in after-transplanting survival, high insurvival rate, rapid in transplanting and modeling, stable in modeling and rapid in setting effect; plant selecting is conducted during planting, plant wound healing cream is smeared after cutting, fracture surface healing and rapid germinating are promoted, the damage of harmful substances to sections is relieved, and the success rate is increased; the modeling time is shortened, the ornamental value is good, and the method is suitable for use and popularization.

The invention belongs to the technical field of agricultural cultivation and particularly relates to a quick seedling cultivating method for red honeysuckle stems. The quick seedling cultivating method comprises the steps that red honeysuckle tender branches among stems are collected, are subjected to immersion cleaning with washing powder, are flushed with sterile water, are soaked with ethyl alcohol and mercuric chloride and then are flushed with sterile water; NAA, KT and 6-BA are added into an MS culture medium to prepare an inducing culture medium, a growth culture medium and a proliferation culture medium; the branches subjected to sterile treatment are cut into stem sections to be inoculated to the three culture mediums in sequence, and red honeysuckle seedlings are obtained. The red honeysuckle stems with axillary buds are selected as a breeding material and are sequentially inoculated in the culture mediums added with the NAA, KT and 6-BA which are different in concentration,and the red honeysuckle seedlings free of virus infection, growing well, quick to survive and high in survival rate are cultivated.

The invention discloses a method on seedling breeding of purple sweet potato, comprising the steps of 1, disinfection of seed potato: choosing big potato pieces which have no scars and scabs as the seeds; 2, seedbed arrangement, choosing sandy soil as compost which is from high and dry terrain, and with good permeability and rich organic matter, then fertilizing the seedbed with mature pig manure for 500-600 kg; 3, planting seed potato in rows: when it is at a stable temperature of 15 oC, planting the seed potato on seedbed orderly in rows; and 4, seedbed management: before seedling emergency, controlling the temperature of seedbed between 25-33oC and 20-25 oC after emergency, fertilizing the seedbed with thin human wastes in time for topdressing; earthing up the seedlings when 80% of the heightgrow to a height of 10 cm, and conduct earth up every two weeks after that. The seedling breeding method can effectively avoid the emergency of diseases like black spot disease, with high-survival seedlings, providing the foundation for high productivity of purple sweet potato.

The invention relates to a preparation method of a phellinus igniarius granular spawn, belonging to the technical field of edible fungi cultivation. The preparation method takes a mixture of gypsum powder, sucrose, a fungal elicitor and ripened cereals as a culture medium; the preparation method is characterized in that the cereals with shell or skin are taken as main materials of the granular spawn culture medium, and the fungal elicitor is added into the main materials. The cereals with shell or skin are taken as the main materials of the granular spawn, so that the granular spawn is comprehensive in nutrition, can meet the growth demand of phellinus igniarius mycelia, is strong in spawn activity, is more in germination points after being inoculated, and can shorten the culture time. Compared with a preparation method without adding the fungal elicitor, the preparation method provided by the invention can obtain spawn extracellular enzyme having obviously improved activity under the premise that other conditions are the same (the cultivation time is the same), so that the activity of the obtained spawn is improved.

The invention discloses a preparation method of an agricultural plastic bowl soft tray material with aging resistance and wear resistance, and belongs to the technical field of high polymer materials.According to the reparation method of the agricultural plastic bowl soft tray material with aging resistance and wear resistance, cultivated seedlings have good quality and are not easily attacked bydiseases, the seedling field ratio can be substantially increased, seedling rising can be promoted to intensive and professional development, the management is convenient, and the seedling raising cost is reduced. The agricultural plastic bowl soft tray material with aging resistance and wear resistance is favorable for reducing labor cost and reducing labor intensity, can be repeatedly used, hashigh and heat resistance, reduces production cost, has good heat stability and ageing resistance, simplifies the planting process, provides powerful measures for cost-saving, yield-increasing and synergistic planting, and has good overall performance.

The invention relates to a preparation method of a phellinus igniarius granular spawn, belonging to the technical field of edible fungi cultivation. The preparation method takes a mixture of gypsum powder, sucrose, a fungal elicitor and ripened cereals as a culture medium; the preparation method is characterized in that the cereals with shell or skin are taken as main materials of the granular spawn culture medium, and the fungal elicitor is added into the main materials. The cereals with shell or skin are taken as the main materials of the granular spawn, so that the granular spawn is comprehensive in nutrition, can meet the growth demand of phellinus igniarius mycelia, is strong in spawn activity, is more in germination points after being inoculated, and can shorten the culture time. Compared with a preparation method without adding the fungal elicitor, the preparation method provided by the invention can obtain spawn extracellular enzyme having obviously improved activity under the premise that other conditions are the same (the cultivation time is the same), so that the activity of the obtained spawn is improved.

The invention discloses a tissue culture and rapid propagation seedling raising method for a large-purple-leaf variegata-provided haworthia cooperi plant. The method comprises the following steps of selecting large-purple-leaf haworthia cooperi sterile variant plants to establish a rapid propagation system through an artificial screening method; and by improving a proliferation culture medium, a strong seedling culture medium and a rooting culture medium and optimizing a culture medium formula and maintenance management, obtaining the healthier, more beautiful and more stable plants. The proliferation efficiency of the large-purple-leaf variegata-provided haworthia cooperi propagated by the method is high, the germination rate and rooting rate of the variant plants are three times those ofa conventional culture medium, finished culture seedlings are strong and bright in color, the propagation coefficient and propagation speed are effectively increased by improving the culture medium,the transplanting survival rate of tissue culture seedlings is effectively increased by 23% by improving the culture medium, in addition, the transplanting hardening survival rate of the tissue culture seedlings can be improved to 80 to 93%, the seedling plants cultured by the method are consistent in shape and easy to operate and facilitate industrial production, and rare variant plants can be moderately produced in batch in a short time and put into the market.

The invention discloses an efficient seedling raising method for sweet potatoes. The method comprises the following steps that 1, after sweet potatoes are harvested in autumn every year, potato vineswithout pests and diseases are selected, the top ends of petioles are cut, leaves are removed, the middles of the petioles are knotted, and 8-10th sections counted downwards from the morphological upper ends of the potato vines are cut; 2, the potato vines are put into dormancy liquid for soaking treatment and then taken out; 3, after the two ends of each potato vine are coated with ointments, thepotato vines are covered with transparent plastic film; 4, every 25-30 days, illumination treatment is conducted on the covered potato vines, and after illumination is completed, the plastic film isremoved for ventilation treatment; 5, in spring of next year, the potato vines are taken out, every two sections are cut to serve as seedlings, and cuttage seedling raising is conducted. By means of the efficient seedling raising method for the sweet potatoes, the operation is simple, the potato vines harvested in autumn are adopted as the seedlings, the cost is low, the needs for large-scale industrialized seedling raising are met, the seedlings after cuttage are rapid in survival and good in growth momentum, and the yield of the sweet potatoes is high.

The invention discloses a video call method and system based on a VOLTE network. The method comprises the following steps: receiving a video live broadcast request for a called number initiated by a first user terminal based on the VOLTE network through a call session control network element corresponding to a first user; querying service ordering information of the first user recorded by a home subscriber server corresponding to the first user; establishing connection with a call session control network element corresponding to the called number through a media resource service module managed by a telephone application server corresponding to the first user, and forwarding the video media information of the first user terminal to a terminal corresponding to the called number. According to the invention, under the condition of not adding any hardware and software, through the VOLTE network architecture of the existing operator, the video live streaming service is ordered and the video media information is shared through the mobile phone, so the rapid live streaming is realized, and the technical problem that the video live streaming access speed is too slow due to the fact that the degree of dependence of a live streaming method in the prior art on software and hardware is large is solved.

The invention provides a cultivation method of virus-free sweet potatoes. The cultivation method is characterized by comprising the following steps: (1) selecting and preparing a land; (2) cultivatingvirus-free seedlings; (3) transplanting seedlings; (4) carrying out field management; and (5) harvesting at proper time. The virus-free sweet potato seedlings cultivated by the cultivation method provided by the invention are rapid in survival, high in survival rate and strong in growth vigor, and the yield of the sweet potatoes is effectively improved; and moreover, the grown sweet potatoes aregreen and healthy, good in mouth feel and complete in nutrient elements, and the economic benefits of planters are improved.

The invention discloses a bacterium culture medium mainly prepared from filberts. The bacterium culture medium is prepared by the following steps: soaking filberts in water for 3-4 days, and taking out the filberts for later use; uniformly mixing and stirring wheat bran, sawdust, gypsum, glucose and lime together to obtain a mixture of which the water content is 65%, mixing the mixture with soaked filberts evenly and bottling; and carrying out high-pressure sterilization, so as to obtain the bacterium culture medium. The filberts are adopted as the main raw material of the bacterium culture medium; each filbert in the culture medium is an independent individual and is not broken during peel inoculation; hyphae are not damaged during inoculation; the survival rate is high; the efficiency is improved; the mature period is two days earlier than the planned period; and manpower is saved by 50%. Due to the synergistic effect of the filberts and other substances such as wheat bran, infectious microbes or worms are not easily generated after inoculation; abundant nutrition required for bacteria growth are provided in the culture medium contentiously; the hyphae grow healthily, do not age, and can be stored for a long time, particularly 50-80 days longer than before; and the rate of finished products is improved by 15%-20%.

The invention provides an unmanned aerial vehicle video live streaming method and device and an unmanned aerial vehicle nest, and the method comprises the steps: obtaining the position information ofan unmanned aerial vehicle, and controlling a remote control antenna of the unmanned aerial vehicle nest to point to the direction of the unmanned aerial vehicle according to the position information;receiving a first video data stream returned by an unmanned aerial vehicle through a special communication link, wherein the special communication link is a communication link for image transmissionbetween the unmanned aerial vehicle nest and the unmanned aerial vehicle; encoding the first video data stream to obtain a second video data stream conforming to a streaming media transport protocol format; and uploading the second video data stream to a streaming media server, thereby enabling the streaming media server to publish the second video data stream to at least one live streaming terminal for live broadcast. Compared with the prior art, the method has the advantages that the live streaming speed of the unmanned aerial vehicle video is higher and more stable, and the real-time performance of live streaming is improved.

The invention relates to a graphene paddy planter, and belongs to the technical field of the application of new-material and new-energy agricultural machinery. A graphene chassis of the graphene paddy planter is provided with a graphene power case, a graphene lithium ion battery, a graphene motor, a graphene steering wheel, a driver seat, graphene electric wires and a photovoltaic controller; graphene front travelling wheels and graphene rear travelling wheels are arranged below the graphene chassis; the graphene electric wires and a graphene light-emitting diode (LED) light are arranged on the front part of the graphene chassis; graphene sowing boxes and graphene seed drop pipes are arranged on the rear part of the graphene chassis; and a ceiling of the graphene paddy planter is provided with a graphene solar battery. The graphene solar battery is connected with the photovoltaic controller by a graphene electric wire, and the photovoltaic controller is connected with the graphene lithium ion battery by a graphene electric wire. The graphene lithium ion battery can power the graphene motor and the graphene LED light at the same time.

The invention discloses a grafting method by performing turning and shaping into a conicity body on a scion and drilling a conicity hole on a rootstock. The method adopts a pencil-type taper rotary turning and shaping tool, and adopts a drilling bit with the same tool edge taper as the taper of the taper turning and shaping tool, a plant scion is subjected to turning and shaping into a conicity body, a conicity hole is drilled on a plant rootstock, the two tapers are mechanically formed, degrees of the two conicity are the same, a size of a product is stable, and the matching dimensional accuracy is guaranteed. When grafting, the conicity body of the scion is inserted into the conicity hole to form a close fit, a contact surface of the conicity body is large, the survival rate is high, theoperation is simple, the efficiency is high, and those who can use tools can carry out the grafting of the method.

The invention provides a landscape seedling planting method and relates to the technical field of seedling planting. The method mainly includes steps: leveling land, digging planting pits, pretreatingthe planting pits, planting seedlings, managing watering, and managing the seedlings. By the method, the defects of the prior art are overcome, seedling survival rate in the process of seedling planting is increased effectively, fertilizer-locking and drought-resisting ability of soil is enhanced, root system strength of the seedlings is enhanced in the process of planting, transplanting death rate is lowered, and economic benefit of planting is improved.

The invention discloses a cuttage propagation method grapes, and relates to the technical field grape planting. The method comprises the steps that (1), the preparation of a cuttage propagation site;(2), cutting shoot processing; (3) cuttage. By means of the method, the survival rate of grape cuttage seedlings can be greatly improved, the growing and developing of root systems can be effectivelypromoted, the disease resistant capability of the cuttage seedlings can be improved to certain extent, and the incidence rate of pests and diseases is reduced.

The invention discloses an accelerating germination and efficient cultivation method for summer squashes. The method comprises the following steps that of (1) seedbed preparation, (2) lukewarm water seed soaking, (3) accelerating germination, (4) root tip growing point passivation, (5) sowing, (6) seedling stage management, (7) soil preparation, fertilization application and field planting, (8) disease and pest prevention and (9) topdressing and harvesting. According to the accelerating germination and efficient cultivation method for summer squashes, a hole tray is used for seedling cultivation in a simple greenhouse in the seedling cultivation stage, the nutrients, temperature, water and light environment conditions needed by growing of seedlings of the summer squashes can be better provided, bad effect on the seedling cultivation process of severe variation of the environment conditions is avoided, the problems that the ages of the seedlings in the same hole tray are not consistent, the sizes of the seedlings are not consistent, and the index of strong seedlings is low are solved, and the 100% seedling emergence rate of the seedlings in the hole tray is guaranteed. Meanwhile, root tip growing points are passivated, growing of main roots can be effectively restrained, growing of side roots is promoted, the length of a plumular axis is reduced, so that the main roots of sowed summer squashes are short, fibrous roots are many, surviving is quick after transplanting and field planting, the growth vigour is high, and the disease resistance is high.