71 results about "Growth height" patented technology

The invention provides a method for breeding curcuma aromatica through a liquid culture medium and application of the curcuma aromatica, and belongs to the technical field of plant culture.The method comprises the following steps that 1, curcuma aromatica seeds are taken, cleaned and then sequentially disinfected through ethyl alcohol, soaked in a sodium hypochlorite solution, soaked in sterile water and flushed, and disinfected seeds are obtained; (2) inoculating the disinfected seeds to a liquid culture medium, and performing germination culture on the sterile seeds on the liquid culture medium to obtain sterile tissue culture seedlings; and (3) cutting the sterile tissue culture seedlings into stem sections of 2-3cm, inoculating the stem sections with at least one pair of axillary buds to the liquid culture medium with the same composition in the step (2), and carrying out subculture on the tissue culture seedlings. The method provided by the invention has a good tissue culture effect on radix curcumae, can simultaneously realize excellent culture effects in four aspects of germination rate of seeds, average germination rate of tissue culture seedlings, growth height and differentiation rate, and has extremely high research value and application prospect.

The utility model provides a forestry forest cultivation device, which relates to the technical field of forestry management and comprises a cultivation assembly, an irrigation assembly is arranged on the cultivation assembly, an adjusting assembly is arranged on the side face of the cultivation assembly, the cultivation assembly comprises a cultivation box, and the adjusting assembly comprises a mounting frame. A plurality of mounting grooves are formed in the side face of the mounting frame, and limiting blocks are mounted in the mounting grooves. According to the cultivation box, the connecting pieces are pulled outwards to enable the tension springs to extend, then the limiting blocks can be separated from the interiors of the limiting grooves, then the connecting pieces are promoted to relieve limiting of the cultivation boxes, the height of the cultivation boxes can be adjusted conveniently, and then the distance between the cultivation boxes can be adjusted conveniently according to the growth height of plants; therefore, it is guaranteed that the plants on each layer can receive sufficient illumination, the situation that illumination is uneven or too sufficient is reduced, and normal growth of the plants is guaranteed.

The utility model relates to the technical field of planting frames, in particular to a vegetable planting frame. Comprising a frame body, the frame body comprises a plurality of supporting legs, a plurality of planting boxes are arranged on the supporting legs in a sliding mode, holding assemblies are oppositely arranged at the bottoms of the planting boxes and used for fixing the planting boxes, cavities are formed in the planting boxes, partition plates are oppositely arranged in the cavities and used for dividing the cavities into planting cavities and placing cavities, and the supporting legs penetrate through the placing cavities. A soil loosening assembly used for loosening soil is arranged in the planting cavity. The planting boxes between the supporting legs can be located on the supporting legs in a sliding mode, so that the distance between the adjacent planting boxes can be adjusted, and compared with the prior art, the planting frame can adapt to vegetables with different growth heights and is better in applicability.

The invention relates to the technical field of plant propagation, in particular to an artificial propagation method of saccharum arundinaceum. The breeding method comprises the following steps: S1, preparing a culture medium; s2, preparing a seed treatment agent; s3, seed pretreatment; s4, sowing the seeds; s5, cultivating after sowing; s6, seedling culture; and S7, transplanting the seedlings. By means of the breeding method, the seed germination rate, the survival rate after transplanting and the seedling early-stage growth height of the saccharum arundinaceum are remarkably increased.

The invention relates to a medicago sativa hydroponic device and hydroponic method. The medicago sativa hydroponic device comprises a transverse plate. The two vertical rods are fixedly mounted on the top surface of the transverse plate; the two hoops are detachably mounted on the vertical rod; the two positioning plates are symmetrically and fixedly mounted on the hoop; the vertical rod is fixedly mounted between the upper positioning plate and the lower positioning plate; the adjusting mechanisms are fixedly mounted on the vertical rod at equal intervals; the L-shaped supporting plate is mounted on the adjusting mechanism; the U-shaped plate is mounted at the free end of the L-shaped supporting plate; the nutrient solution circulating mechanism is arranged on the transverse plate; the machine box is arranged at the bottom of the transverse plate, and the nutrient solution circulating mechanism and the machine box are arranged to be matched so that the conveyed nutrient solution can flow circularly; space is fully utilized, so that the alfalfa cultivation device is suitable for cultivation of alfalfa with different growth heights, the situation that growth of plants below are affected by the cultivation grooves above is avoided, fine cultivation is achieved, and the effect of circularly saving resources is achieved.

The utility model discloses a production device for high-quality rice seedling raising, which relates to the technical field of rice seedling raising and comprises a cultivation box, an intelligent ventilation component is arranged in the cultivation box, and the inner walls of the left side and the right side of the cultivation box are fixedly connected with cultivation tray distance adjusting components. A plurality of culture dish fixing assemblies which are distributed at equal intervals in the left-right direction are fixedly connected to the top of the culture tray. By means of the intelligent ventilation assembly, humidity, temperature and carbon dioxide concentration are accurately controlled, the optimal growth environment is created for rice seeds and seedlings, the environment requirements of different stages are met, the distance between the cultivation trays can be flexibly adjusted according to the growth height of the seedlings through the cultivation tray distance adjusting assembly, and the seedling growing efficiency is improved. The special requirements for seedling raising of different varieties of rice are better met, the universality of the device is improved, and the arranged culture dish fixing assembly avoids physical damage to seedlings due to movement of a culture dish.

The utility model relates to the technical field of raspberry planting, in particular to a raspberry planting cultivation frame which comprises a base, a supporting rod and a cultivation assembly. The cultivation assembly comprises a cultivation pot, a winding rope, a connecting rope, a top frame, a supporting rope, a plurality of protective frames and a winding component, after the growth height of raspberries is increased, the winding rope is wound through the winding component again, the connecting rope and the top frame are driven to ascend, the supporting rope is driven to ascend in the ascending process of the top frame, and after the supporting rope between the top frame and the protective frames is tightened, the supporting rope is driven to ascend. In the same way, after the supporting ropes between every two adjacent protection frames are tightened, the upper protection frame can drive the lower protection frame to ascend, and therefore in the raspberry growth process, the multiple protection frames surround the side faces of the raspberries to protect the raspberries, the multiple protection frames are used for supporting the raspberries in an all-around mode, and the raspberries are protected. The supporting and protecting effects are improved.

The invention discloses a power transmission line early warning method and system based on tree growth prediction and a storage medium. The method comprises the steps that tree data and tree position information in a power transmission line channel range can be acquired; based on the tree data and an improved Richard growth equation, calculating the current age limit of each tree in the power transmission line channel range; based on the current age limit of each tree in the power transmission line channel range, calculating the growth height of each tree in the prediction age limit range by using an improved Richard growth equation; determining the spatial distance between the power transmission line and each tree according to the growth height and tree position information of each tree within the predicted age limit range, and judging whether the spatial distance between the power transmission line and each tree meets the operation requirement or not according to a safe distance threshold value; and carrying out early warning on the tree position areas which do not meet the operation requirements. Potential tree barrier hidden dangers can be found and processed in time, and safe operation of an electric power circuit is ensured.

The application provides a method for breeding radix curcumae in liquid medium and application thereof, and belongs to the technical field of plant culture. The method comprises the following steps: (1) taking radix curcumae seeds, washing, and then sequentially using alcohol disinfection, sodium hypochlorite solution immersion, sterile water immersion and washing to obtain disinfected seeds; (2) inoculating the disinfected seeds into liquid medium, and culturing the sterile seeds on the liquid medium to obtain sterile tissue culture seedlings; (3) cutting the sterile tissue culture seedlings into stem segments with a length of 2-3 cm, each of the stem segments having at least one pair of axillary buds, and inoculating the stem segments into the liquid medium of the same composition in step (2) to carry out tissue culture seedling subculture. The method has good tissue culture effect on radix curcumae, can simultaneously achieve excellent cultivation effects in the germination rate of seeds, the average germination rate of tissue culture seedlings, the growth height and the differentiation rate, and has high research value and application prospect.

The invention discloses a method for transforming and felling a low-efficiency forest, which relates to the field of forest cultivation and comprises the following steps of felling operation, stump treatment, fallen wood treatment and tending management. The felling operation is carried out innovatively by adopting at least one combination mode of a global felling method, a canopy felling method, a lower felling method, a crown diameter felling method and a target diameter-at-breast-height felling method according to forest stand characteristics and operation targets. The cutting strength adopts diameter at breast height; the cutting cycle is set according to the tree age, the wind damage risk, the tree growth height and the forest stand canopy density difference and is carried out in the tree dormancy period. According to the low-efficiency forest transformation felling method, through combined application of multiple targeted felling modes, accurate regulation and control of a forest stand structure are achieved; by adopting the diameter at breast height cutting strength index, the operation design process is simplified, and the operability is improved; measures such as pile cutting treatment and fallen timber on-site scientific stacking are combined, and multiple targets of water and soil conservation, soil fertility maintenance and ecological restoration are effectively considered.

The utility model relates to the technical field of corn planting, in particular to a corn planting pesticide sprayer which comprises a supporting seat, an L-shaped plate is fixedly connected to the upper end of the supporting seat, a lead screw is rotatably connected between the upper side of the inner wall of the L-shaped plate and the upper end of the supporting seat, and the outer wall of the lead screw is in threaded connection with a lifting block slidably connected with the inner wall of the L-shaped plate through a sliding rail. A round pipe is installed at the left end of the lifting block, and a plurality of medicine distributing pipes distributed front and back are connected to the outer wall of the round pipe in a penetrating mode. The height of the atomizing nozzles depends on the growth height of corn plants, so that the purpose of conveniently adjusting the height of the atomizing nozzles according to the growth condition of the corn plants is achieved, the two moving wheels on the same side are driven to be close to or far away from each other, and the distance between the two moving wheels on the same side depends on the line spacing of two adjacent lines of corn. The two moving wheels on the same side can walk on the outer sides of the two adjacent rows of corns, so that the aim of conveniently adjusting the distance between the moving wheels according to the row spacing of corn planting is further achieved.

The invention discloses a zingiber striolatum diels-desinsectization plant intercropping layout optimization method, which comprises the following steps: S1, land selection and preparation: selecting a land suitable for the growth of zingiber striolatum diels and desinsectization plants, turning over the land, and applying a base fertilizer which is formed by mixing decomposed farmyard manure and calcium superphosphate according to a mass ratio of 5: 1; the zingiber striolatum diels variety is a local good variety with the growth cycle of 3-4 years and high lodging resistance, and the insect repelling plant variety is a plant variety with the insect repelling spectrum covering main plant diseases and insect pests of zingiber striolatum diels and the growth height smaller than or equal to 60 cm. The invention relates to the technical field of agricultural planting. According to the zingiber striolatum diels-desinsectization plant intercropping layout optimization method, a wide-narrow row intercropping mode is adopted, common growth of zingiber striolatum diels and desinsectization plants is achieved on limited land, the land utilization rate of unit area is increased, meanwhile, the desinsectization plants such as mint, houttuynia cordata or pyrethrum can serve as additional commercial crops to be harvested, the agricultural output is increased, and the economic benefit is increased. The economic benefits of farmers are obviously improved.

The utility model belongs to the field of water-saving irrigation devices, and particularly relates to a water-saving irrigation device which comprises a water tank mounted at the top of a movable frame. An adjusting device is mounted on the spray pipe; the adjusting device comprises a first fixing ring; a first lifting block is arranged in a lifting cavity of the first fixing frame. The section of the positioning rod is sleeved with the first lifting block through the sliding hole. The connecting end of the first lifting block penetrates through the first lifting hole, extends out of the outside and is fixedly connected with a baffle. A screw rod is rotationally mounted in the adjusting cavity of the second fixing frame; the connecting end of the second lifting block penetrates through the second lifting hole, extends out of the outside and is fixedly connected to the baffle on the same side. The top of the screw rod penetrates through the top plate of the second fixing frame, extends out of the outside and is provided with an adjusting button; through the effect of the adjusting device, the device can adapt to the growth heights of crops in different periods, evaporation of a large amount of water is reduced, water resources are saved, and water outlets of the nozzles are protected.

The utility model discloses a grape branch supporting device, and relates to the technical field of grape planting. The grape branch supporting device comprises four sets of mounting base plates, grating plates and a reinforcing structure, the mounting base plates are distributed in a rectangular shape, hollow columns are fixedly mounted at the tops of the mounting base plates, sliding plates are arranged on the hollow columns, hexagon bolts are arranged on the hollow columns and the sliding plates, mounting anchor rods are arranged on the mounting base plates, and the grating plates are arranged on the mounting anchor rods. The grating plate is arranged on the four sliding plates, and the reinforcing structure is arranged on the mounting base plate. According to the grape branch supporting device, on one hand, the height of the grating plate can be conveniently adjusted, applicability adjustment can be conducted according to the actual growth height of grapes, on the other hand, water can be injected into the storage box, the device can be reinforced, the situation that the device is unstable in installation and topples over is avoided, and the safety of grape vines is improved; the user can conveniently sit on the cushion plate to have a rest when tired, and meanwhile, the user can stand on the cushion plate to trim grape branches on the grating plate.

The utility model discloses a simple supporting frame for tomato planting, which comprises three vertical rods, a plurality of triangular supports are arranged among the three vertical rods in a sliding manner, each triangular support comprises a sliding sleeve arranged on the vertical rod in a sliding manner, a cross rod is fixedly connected between every two adjacent sliding sleeves, a height adjusting assembly is arranged between one sliding sleeve and the vertical rod in a matched manner, and the height adjusting assembly is connected with the vertical rod in a matched manner. Compared with the prior art, the tomato planting device has the advantages that due to the design of the bearing frame, tomato fruit bearing branches and tendrils can be well borne, and the situation that fruits are rotten due to the fact that the fruits naturally droop and make contact with the ground is avoided; the fruit damage rate is remarkably reduced, the quality and yield of tomatoes are improved, through the height adjusting assembly, the height of the triangular support can be flexibly adjusted according to the growth height of tomato plants, appropriate support can be provided for the plants in different growth stages, and the applicability of the supporting frame is enhanced.

The utility model relates to the technical field of flower and tree cultivation, and discloses a garden flower and tree cultivation and maintenance device which comprises a base, the top of the base is fixedly connected with a supporting adjusting rod, one side face of the supporting adjusting rod is movably provided with an adjusting supporting hook, and the inner wall of the adjusting supporting hook is fixedly connected with a frame. The bottom of the frame is fixedly connected with a supporting frame. The utility model has the following advantages and effects: when the height of the frame is adjusted along with the growth height of flowers and trees, the spraying pipe can drive the corrugated telescopic pipe to obliquely stretch or contract, the water delivery effect of the corrugated telescopic pipe is not influenced, the nozzles always correspond to the flowers and trees below up and down, water is sprayed and watered from top to bottom, the spraying range of water drops is more expanded, and the spraying effect is better. Watering is more uniform, the corresponding position of the spraying pipe and the flowerpot is not affected under the condition of height adjustment, the position of the spraying head is more accurate during watering, adjustability is high, use is more flexible, and normal watering of flowers and trees is prevented from being affected.

The invention discloses a community level grassland plant competition intensity calculation method, and belongs to the technical field of botany. According to the method, the problem that the existing method is lack of calculating the competitive strength of the plants on the community level is solved, the relative coverage and the relative height of the species in each investigation quadrat are calculated by acquiring the coverage and height data of each plant species in the grassland plant community in the target area, and then the potential growth coverage and the potential growth height are calculated, so that the competitive strength of the plants is calculated. And finally obtaining the plant competitive strength. Therefore, the limitation that a traditional method only pays attention to the competition relation of a single species or a few species is broken through, and the actual influence of competition on species growth can be accurately reflected; by introducing the historical data and the preset threshold value, the community can be more accurately divided into the high-competition area and the low-competition area, and the competition driving factors of different areas are identified, so that a more targeted strategy is provided for grassland management, and the stability and biodiversity of a grassland ecosystem can be effectively improved.

The invention belongs to the technical field of mycelium culture, and particularly relates to a high-water-content mycelium culture medium and a preparation method thereof. In order to solve the technical problems that an existing mycelium culture medium is low in moisture content, cultured mycelia are nonuniform in growth and are easily infected with infectious microbes, the method comprises the following steps: directionally removing lignin from plant straw particles by adopting an alkali treatment method, a hydrogen peroxide method or a sodium chlorite method, and exposing cellulose active sites at the same time; the water absorption and retention performance of the matrix is fundamentally improved, the stable pore structure is maintained, and the cooperation of high water content and sufficient oxygen channels is realized; meanwhile, depending on the optimized matrix microenvironment, the germination rate and growth height of the mycelium are greatly increased, the growth speed is increased, uniform planting of the mycelium is guaranteed, the infectious microbe infection rate is remarkably reduced, the growth rate and biomass distribution uniformity of the mycelium are finally achieved, and large-scale and high-quality development of the mycelium industry is promoted.

The utility model discloses a field planting pineapple leaf pruning device, which belongs to the technical field of pruning devices, and comprises a fixed seat, a connecting seat and a pruning mechanism, a limiting block is fixedly connected in the fixed seat, one side of the limiting block is fixedly connected with an adjusting block, a screw rod is slidably connected in the fixed seat, one side of the screw rod is provided with an adjusting groove, and the adjusting groove is fixedly connected with the connecting seat. According to the pineapple leaf adjusting device, the handle is rotated, the worm and the worm gear move in a meshed mode, the lantern ring and the worm gear move on the outer wall of the threaded rod in a threaded mode, the threaded rod slides in the fixing base, and the adjusting block slides in the adjusting groove, so that the height of the connecting plate is adjusted, the pineapple leaf adjusting device adapts to pineapple leaves with different growth heights, and the overall attractiveness is achieved. The output shaft of the air cylinder drives the sliding block to slide on one side of the sliding groove, the sliding block drives the trimming mechanism to adjust the position, and an operator does not need to frequently adjust the position or posture of the operator, so that the labor intensity is reduced, and the trimming efficiency is improved.

The utility model provides an adjustable landscaping frame, which relates to the technical field of greening frames, and comprises a U-shaped bracket, the inner wall of the U-shaped bracket is connected with a group of green plant placing tables in a sliding manner, the two ends of each green plant placing table are respectively provided with an adjusting mechanism, and each adjusting mechanism comprises a fixed box; the inner wall of the fixing box is slidably connected with symmetrical limiting racks, the two limiting racks both extend to the outside of the fixing box, and the outer surfaces of the two limiting racks are both fixedly connected with limiting blocks. According to the adjustable landscaping frame, through cooperative arrangement of the U-shaped supports, the green plant placing tables and the adjusting mechanisms, people can adjust the distance between the adjacent green plant placing tables according to the maximum growth height of different green plants; the situation that the growth of the green plants is affected when the maximum growth height of the green plants is larger than the distance between every two layers of the greening frame is avoided, and the ornamental effect of the green plants is guaranteed.

The invention discloses a shiny-leaved yellowhorn growth state intelligent monitoring analysis method and system, and relates to the technical field of monitoring analysis. According to the intelligent monitoring and analyzing method for the growth state of the xanthoceras sorbifolia bunge, the optimal growth area is accurately locked through image clustering, and flora combination analysis is associated with specific environmental conditions in combination with soil sampling and temperature and humidity data; finally, the optimal flora combination which is adaptive to different temperature and humidity, is highly associated with high-quality growth and can stably play a role is screened out, accurate connection from macroscopic monitoring to microcosmic flora screening is achieved, the scientificity and high efficiency of shiny-leaved yellowhorn growth management are improved, and the method is suitable for popularization and application. The method solves the problem that the suitability and the stability of the screened growth-promoting flora group in the traditional shiny-leaved yellowhorn growth monitoring are insufficient.

The utility model discloses an agricultural seedling raising device, which belongs to the technical field of seedling raising devices and comprises a constant-temperature seedling raising frame, two groups of seedling raising frames are arranged in the constant-temperature seedling raising frame, placing grooves are formed in the two groups of seedling raising frames, adjusting assemblies are arranged in the two groups of placing grooves, and the adjusting assemblies are connected with the constant-temperature seedling raising frame. The adjusting assembly comprises a rotating shaft and two sets of racks, a gear is fixedly installed on the outer side of the rotating shaft, the two sets of racks are meshed with the gear, redundant water sources after irrigation can be collected, filtered, pumped and refluxed to the water tank to be recycled, water can be evenly and accurately sprayed to crops in the seedling raising frame, and the water quality is improved. The device is simple in structure and convenient to operate, the position of the cultivation frame is convenient to disassemble and adjust, seedlings are convenient to take out for transplantation, inspection or replacement, and the position of the seedling cultivation frame can be flexibly and accurately adjusted according to the growth height of the seedlings.

The utility model discloses a crop seedling raising device which comprises a crop seedling raising cabinet, a cabinet door is hinged to the front end of the crop seedling raising cabinet through a hinge, the bottom end of the crop seedling raising cabinet is communicated with the top end of a processing cavity, and a plurality of connecting plates are symmetrically arranged in the crop seedling raising cabinet. According to the crop seedling raising device, in the using process, the distance between crop seedling raising utensils can be rapidly adjusted according to the seedling raising requirement, the device can have high flexibility, according to the growth height of planted seedlings and the like, the crop seedling raising device is convenient to use, and the crop seedling raising device is suitable for popularization and application. According to the crop seedling raising cabinet, the distance between the crop seedling raising utensils can be rapidly adjusted, in order to solve the problem that the crop seedling raising utensils are located in the crop seedling raising cabinet and operation is not easy, the crop seedling raising utensils can be flexibly detached when needing to be operated, and therefore convenience is brought to seedling raising operation.

The utility model discloses a green plant planting fixing device, and relates to the technical field of green planting, the green plant planting fixing device comprises a base, a tray, a planting plate and an inner tooth support block, the outer side of the base is provided with a water accumulation groove, vertical force arms are annularly distributed on the outer side of the base, and the outer sides of the vertical force arms are provided with adjusting mechanisms; an adjusting mechanism is arranged on the base, the adjusting mechanism adjusts the distance between the multiple sets of trays according to the types and heights of plants, positioning treatment of different types of plants is met, a positioning mechanism is arranged over the base, and the positioning mechanism adjusts the distance between the planting trays according to the height of climbing plants or potted plants, so that the growth height of the plants is conveniently controlled. In the using process, the trays are positioned on the outer sides of the vertical force arms, then according to the number of green plants and the height of the green plants, spacing adjustment and control are conducted on the multiple sets of trays, potted plants can be conveniently positioned, then plant growth gaps are controlled, and the situation that the plants are easily squeezed due to the too small spacing is avoided.

The utility model discloses a plant planting device for soil improvement effect detection, which comprises a planting box, the interior of the planting box is divided into two planting cavities, the back surface of the planting box is provided with a connecting pipe, the top end of the connecting pipe is provided with an electromagnetic valve, the top end of the electromagnetic valve is connected with a watering pipe, and the watering pipe is connected with the planting cavity. The positions, aligned with the two planting cavities, of the watering pipe are provided with nozzles with the same number; a scale is arranged at the front end of the planting box along the position in front of the two planting cavities, and the scale can ascend and descend. The two planting cavities with the same space are divided in the planting box, then improved soil is placed in one planting cavity, original soil is placed in the other planting cavity, then plants are planted in the two planting cavities, and the growth state of the plants is observed; meanwhile, the planting box is provided with a watering device, the interiors of the two planting cavities can be watered at the same time, and the watering amount is the same; the growth height of crops in the two planting cavities can be measured through a ruler.

The utility model belongs to the field of agricultural seedling raising equipment, and provides an adjustable agricultural seedling raising frame which comprises a base, two rectangular columns fixedly connected to the upper surface of the base and symmetrically arranged and a culture tank arranged between the two rectangular columns, and limiting assemblies used for limiting the culture tank are arranged on the rectangular columns. A water receiving assembly for receiving excessive water is arranged below the culture tank; seedlings needing to be cultured are placed in the culture tank to be cultured, when the height of the seedlings is increased, the springs can be stretched by pulling the pull blocks, the triangular blocks are moved out of the triangular grooves at the moment, then the rectangular frames slide on the rectangular columns, and therefore the effect of adjusting the height of the culture tank can be achieved, the height of the seedlings cannot be blocked, and the seedling culture efficiency is improved. The seedlings can be limited through the limiting belt, and compared with an existing rice seedling raising frame, the height of the culture groove can be adjusted according to the growth height of the seedlings, so that the seedlings cannot be blocked in the growth process.

The utility model discloses a three-dimensional multi-layer seedling raising frame structure for agricultural technology popularization. The three-dimensional multi-layer seedling raising frame structure comprises a three-dimensional multi-layer seedling raising frame body, a connecting assembly, a guiding assembly and a limiting assembly. The three-dimensional multi-layer seedling raising frame body comprises a base, supporting rods, seedling raising plates and seedling raising grooves. The supporting rod is fixedly arranged on the base; the plurality of seedling raising trays are sleeved on the support rod in a linear array; a plurality of seedling raising grooves are formed in the top surface of the seedling raising tray in an annular array; the connecting assembly is arranged on the seedling raising plate; the connecting assembly comprises an external threaded cylinder, an internal threaded cylinder, an open groove, a connecting elastic plate, a connecting block and a connecting groove. The external thread cylinder is fixedly arranged on the seedling raising plate, and the external thread cylinder is arranged on the supporting rod in a sleeving manner through the guide assembly; the internal threaded cylinder is in threaded connection with the external threaded cylinder through a limiting assembly and sleeves the supporting rod; the three-dimensional multi-layer seedling raising frame structure for agricultural technology popularization is simple and reasonable in structure and ingenious in design, the distance between the two seedling raising plates can be adjusted according to the growth height of seedlings, and the applicability is high.

The utility model discloses an insect situation monitoring device, which relates to the technical field of agricultural science, and comprises a placing plate, the outer wall of the placing plate is fixedly connected with a baffle plate, the placing plate is provided with an adjusting mechanism, the placing plate is provided with a clamping and fixing mechanism, and the baffle plate is fixedly connected with the clamping and fixing mechanism. According to the device, the threaded rod is arranged, the device is firstly fixed in the field through the fixing needle, when the height needs to be adjusted, the adjusting block is manually rotated firstly, when the adjusting block rotates, a first worm is driven to rotate, then a first worm wheel is driven to rotate, and the first worm wheel is driven to rotate; when a worm gear I rotates, a threaded rod is driven to rotate, so that a fixed column ascends, the mechanism can drive the fixed column to move through the rotation of a worm I, so that the detection device is driven to adjust the height, and the mechanism can adapt to the growth heights and growth stages of different crops; and therefore, pest monitoring can be carried out in a more targeted manner.

The invention belongs to the technical field of plant nutrient solutions. The invention provides a nutrient solution for promoting sympodial bamboos to root. The nutrient solution is prepared from the following components in parts by weight: 1 to 2 parts of major elements, 0.4 to 0.8 part of trace elements, 0.001 to 0.003 part of amino acid, 0.002 to 0.004 part of plant growth hormone, 0.2 to 0.5 part of saccharides, 0.1 to 0.2 part of vitamins, 0.0015 to 0.002 part of an osmotic regulator, 0.3 to 0.4 part of chitosan, 0.08 to 0.12 part of polyacrylamide, 0.001 to 0.003 part of a nano material and 10 to 30 parts of water. The nutrient solution improves the rooting efficiency and survival rate of sympodial bamboos through a composite system of nutrition supply, hormone regulation, structure support and permeation protection, and has good development and strong stress resistance and adaptability in growth height, leaf number, root length and the like. And the uniformity and the stability of the nutrient solution can be ensured by a segmented dissolution mode.

The application discloses a light control system for cultivating deer mushroom, and relates to the technical field of deer mushroom cultivation, which comprises a planting frame, and a first fixing seat is symmetrically and fixedly connected to the inner surface of the planting frame. In the application, when the photoelectric sensor moves from top to bottom and a shielding signal appears, it indicates that the photoelectric sensor is opposite to the uppermost position of the plant, and the purpose of automatically measuring the growth height of the plant is achieved. According to the measured plant height information, the first motor is started to drive the supporting shaft to rotate, and the supporting shaft can drive the fixed plate to rotate through the connection of the two side fixed plates. When the fixed plate rotates, the corresponding culture lamp is adjusted to the position opposite to the lower side, so that the purpose of adjusting and replacing the culture lamp to irradiate the plant is achieved, and the purpose of automatically and accurately controlling the light intensity is achieved. The culture effect of the plant is good.