CN218184517U - Water supplementing device for seedling and seed sowing - Google Patents
Water supplementing device for seedling and seed sowing Download PDFInfo
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- CN218184517U CN218184517U CN202220903316.1U CN202220903316U CN218184517U CN 218184517 U CN218184517 U CN 218184517U CN 202220903316 U CN202220903316 U CN 202220903316U CN 218184517 U CN218184517 U CN 218184517U
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Abstract
The utility model discloses a water supplementing device for seedling and seed sowing, which comprises a planting hole and a plurality of planting ditches which are arranged on the left side and the right side of the planting hole and are in linear array; the planting device comprises a planting hole, planting ditches and a plurality of planting ditches, wherein the bottoms of the planting hole and the planting ditches are provided with anti-leakage layers, the planting ditches are alternately planted with nursery stocks and seedling seeds, the inner linear array of the planting ditch where the nursery stocks are located is provided with a plurality of deep irrigation water replenishing devices, the inner linear array of the planting ditch where the seedling seeds are located is provided with a plurality of deep infiltration water replenishing devices or long pipe water replenishing devices, the deep irrigation water replenishing devices, the deep infiltration water replenishing devices and the long pipe water replenishing devices are linearly arranged, the upper ends of the deep irrigation water replenishing devices, the deep infiltration water replenishing devices and the long pipe water replenishing devices are respectively provided with a water conveying pipe and a vent pipe, and the upper end of the water conveying pipe is provided with a water supply pipe communicated with the inner parts of the water conveying pipe. The utility model avoids the evaporation and absorption of water in the space and the outer soil; the seepage loss of water seeping through the Cheng Zhongsha stone layer is prevented, the water content of the soil is increased, and the water replenishing time is prolonged; the infiltration rate of rain and snow water is increased, the water and soil loss is reduced, and the method can be widely applied to the technical field of environmental protection.
Description
Technical Field
The utility model relates to an environmental protection technical field specifically indicates a moisturizing device of nursery stock, seed seeding.
Background
At present, publicly known open-pit land reclamation, mountain steep slope, grassland desertification control seedling planting and seed sowing water supplement are carried out by laying sprinkling irrigation and drip irrigation pipe networks by using underground well water, a planting field lacking underground water is watered by pulling water by a water tanker, and the sprinkling irrigation is used for supplementing water to plants, because the rainfall capacity of arid regions and semiarid regions is small, the wind is strong, the air is dry, the sunshine time is long, water passes through a space with strong wind and dryness and then evaporates through soil with high Wen Biaoceng to absorb and lose a large amount of water, and the water cannot permeate into the soil below and accumulates at the low-lying position of a flat disc; the side slope soil has less rainwater storage and seepage amount, forms runoff by convergence, has serious water and soil loss, is easy to cause landslide and debris flow due to long-time rainwater accumulation and scouring, has large repeated reseeding investment and high cost, and has serious water resource waste.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a moisturizing device of nursery stock, seed seeding.
In order to solve the technical problem, the utility model provides a technical scheme is a moisturizing device of nursery stock, seed seeding: comprises a planting hole and a plurality of planting furrows which are arranged on the left side and the right side of the planting hole and are in linear array; the planting device comprises a planting hole, planting ditches and planting ditches, wherein anti-leakage layers are arranged at the bottoms of the planting hole and the planting ditches, a plurality of planting ditches are used for alternately planting nursery stocks and seedling seeds, a plurality of deep-irrigation water replenishing devices are arranged in the inner linear array of the planting ditches where the nursery stocks are located, a plurality of deep-irrigation water replenishing devices or long-tube water replenishing devices are arranged in the inner linear array of the planting ditches where the seedling seeds are located, water conveying pipes and air pipes are arranged among the deep-irrigation water replenishing devices, the deep-irrigation water replenishing devices and the long-tube water replenishing devices in a linear arrangement mode, the upper ends of the deep-irrigation water replenishing devices, the deep-irrigation water replenishing devices and the long-tube water replenishing devices are all provided with water conveying pipes and air pipes, and water conveying pipes communicated with the inner portions of the water conveying pipes are arranged at the upper ends of the deep-irrigation water replenishing devices, the deep-irrigation water replenishing devices and the long-tube.
As an improvement, the seedling and the seedling seeds are planted on two sides of the planting ditch along the length direction of the planting ditch; a deep irrigation water replenishing device is arranged among the seedlings, and a deep seepage water replenishing device or a long pipe water replenishing device is arranged among the seedlings; the lower ends of the deep irrigation water replenishing device, the deep seepage water replenishing device and the long pipe water replenishing device are provided with water storage and seepage nutrition substrates.
As an improvement, the deep irrigation water replenishing device is of a cylindrical structure with the upper end sealed, an annular sealing ring is sleeved on the outer wall of the lower end of the deep irrigation water replenishing device, a first water conveying pipe and a vent pipe are fixedly connected to the upper end of the deep irrigation water replenishing device, and the first water conveying pipe and the vent pipe are communicated with the interior of the deep irrigation water replenishing device.
As an improvement, the deep infiltration supplementing water device is of a cylindrical structure with both the upper end and the lower end sealed, the upper end of the deep infiltration supplementing water device is fixedly connected with a second water delivery pipe and a vent pipe, a plurality of first water outlet holes are arrayed on the circumference of the lower end of the cylinder wall of the deep infiltration supplementing water device, a water absorption rope penetrates through the first water outlet holes, a first protective sleeve is nested on the outer wall of the water absorption rope outside the deep infiltration supplementing water device, one end of the first protective sleeve is hermetically connected with the first water outlet holes, and a plurality of water seepage holes are formed in the pipe wall of the first protective sleeve.
As an improvement, the long-tube water replenishing device on the upper end of the ground comprises a main tube arranged on the upper end of the ground, a third water delivery tube communicated with the inside of the main tube and respectively arranged at the upper end and the lower end of the main tube, and a plurality of branch tubes, wherein the third water delivery tube is communicated with the inside of the water delivery tube, the branch tubes are of cylindrical structures with sealed lower ends, a plurality of second water outlet holes are symmetrically arranged at the lower ends of the tube walls of the branch tubes, water absorbing ropes are arranged on the water outlet holes in a penetrating mode, a second protective sleeve is nested on the outer wall of the water absorbing ropes outside the branch tubes, one end of the protective sleeve is connected with the second water outlet holes in a sealing mode, and a plurality of water seepage holes are formed in the tube walls of the protective sleeve.
As an improvement, the long-tube water replenishing device at the lower end of the ground comprises a main tube buried in soil, a fourth water tube communicated with the inside of the main tube and arranged at the upper end of the main tube, the fourth water tube is communicated with the inside of a water supply tube, a plurality of third water outlet holes are symmetrically formed in the tube wall of the main tube, a water absorbing rope penetrates through the water outlet holes, a third water-proofing protecting sleeve is embedded in the outer wall of the water absorbing rope outside the main tube, one end of the protecting sleeve is connected with the third water outlet holes in a sealing mode, and a plurality of water seepage holes are formed in the tube wall of the protecting sleeve.
As an improvement, two sides above the planting ditch are provided with retaining dams, one end of each retaining dam close to the planting ditch is subjected to slope treatment, and the angle of each slope is an acute angle.
As an improvement, the vent pipe is of a round tubular structure; the inside lower extreme of deep irrigation moisturizing ware is equipped with the moisturizing control panel, the cross-sectional shape of moisturizing control panel is the arc.
As an improvement, a strip irrigation and water supplementation device is embedded in the upper portion of the water storage and seepage nutrition substrate, the section of the strip irrigation and water supplementation device is n-shaped, an upper side plate of the strip irrigation and water supplementation device is provided with a water inlet pipe and an air vent in a penetrating mode, and the water inlet pipe is communicated with the inside of a water supply pipe.
Compared with the prior art, the utility model the advantage lie in:
by controlling the depth and range of water supplement, evaporation and absorption of water in space and outer soil are avoided;
the seepage loss of water seeping through the Cheng Zhongsha stone layer is prevented, the water is accurately supplemented to the soil around the plant root system and the seeds, the water content of the soil is increased, and the water supplementing time is prolonged;
the rain and snow resources are fully utilized, the infiltration rate of rain and snow water is increased, the water and soil loss is reduced, the vegetation coverage is improved, and the plant growth is accelerated.
Drawings
Fig. 1 is a schematic structural view of the water replenishing device for seedling and seed sowing of the utility model.
Fig. 2 is a schematic structural view of the deep irrigation water replenishing device.
Fig. 3 is a schematic structural diagram of the deep infiltration replenishing water device.
Fig. 4 is a schematic structural view of a long-tube water replenisher (on the ground).
Fig. 5 is a schematic structural diagram of a long-pipe water replenisher (underground).
Fig. 6 is a schematic structural view of the strip irrigation water supply device.
As shown in the figure: 1. water replenishing control board, 2, planting ditch, 3, nursery stock, 4, seedling seed, 5, deep irrigation water replenishing device, 6, deep infiltration water replenishing device, 7, long pipe water replenishing device, 8, water conveying pipe, 9, water supplying pipe, 10, water storage and seepage nutrition substrate, 11, ventilating pipe, 12, sealing ring, 13, water outlet hole, 14, water absorption rope, 15, protective sleeve, 16, seepage hole, 17, main pipe, 18, branch pipe, 19, water inlet pipe, 20, water retaining dam, 21, strip irrigation water replenishing device, 22, air vent
Detailed Description
The following will explain the water replenishing device for seeding nursery stock and seeds in detail with reference to the attached drawings 1-6.
With reference to the attached drawings 1-6, the water replenishing device for seedling and seed sowing comprises planting holes and a plurality of planting ditches 2 which are arranged on the left side and the right side of the planting holes and are in linear array, wherein the planting holes are arranged on a flat disc and are 5-20 m away from the bottom of a side slope, the length of each planting hole is 0.4-1 m, the width of each planting hole is 0.4-1 m, the depth of each planting hole is 0.4-1 m, the distance between each planting ditch 2 and the planting hole is 2-5 m, the width of each planting ditch 2 is 40-50 cm, the depth of each planting ditch 2 is 30-50 cm, and the longitudinal distance between every two planting ditches 2 is 3-20 m; wherein, the bottom in planting cave and planting ditch 2 is equipped with the antiseep layer, a plurality of planting ditch 2 plant nursery stock 3 and seedling seed 4 in turn, the inside linear array of planting ditch 2 that the nursery stock 3 was located has a plurality of moisturizing device 5 of irritating deeply, the inside linear array of planting ditch 2 that seedling seed 4 was located has a plurality of moisturizing device 6 of infiltrating deeply or long tube moisturizing device 7, irrigate deeply that moisturizing device 5, infiltrating between moisturizing device 6 of infiltrating deeply and the long tube moisturizing device 7 linear arrangement and the upper end of three all is equipped with raceway 8 and breather pipe 11, the upper end of raceway 8 is equipped with rather than inside delivery pipe 9 who communicates.
Both the nursery stock 3 and the seedling seeds 4 are planted at the two sides of the planting ditch 2 along the length direction; a deep irrigation water replenishing device 5 is arranged between the seedlings 3, and a deep infiltration water replenishing device 6 or a long pipe water replenishing device 7 is arranged between the seedling seeds 4; the lower ends of the deep irrigation water replenishing device 5, the deep seepage water replenishing device 6 and the long pipe water replenishing device 7 are provided with water storage and seepage nutrition substrates 10.
The deep irrigation water replenishing device 5 is of a cylindrical structure with the upper end sealed, the upper end of the deep irrigation water replenishing device 5 is fixedly connected with a first water pipe 8 and an air pipe 11, the diameter of the first water pipe 8 is 0.5-3 cm, the diameter of the air pipe 11 is 0.1-0.3 cm, and the first water pipe 8 and the air pipe 11 are communicated with the interior of the deep irrigation water replenishing device 5; the outer wall of the lower end of the deep irrigation water replenishing device 5 is sleeved with an annular sealing ring 12, a first water conveying pipe 8 and an air pipe 11 on the deep irrigation water replenishing device 5 are arranged outside soil, the lower end of the deep irrigation water replenishing device 5 is buried in the soil, and the sealing ring 12 is covered by the soil; during water replenishing, water in the water supply pipe 9 slowly flows into the deep irrigation water replenishing device 5 through the first water conveying pipe 8 and further flows into the water storage and seepage nutrition substrate 10 inside and below the deep irrigation water replenishing device 5, water cannot be absorbed by soil above the sealing ring 12, and water flows through the soil below the deep irrigation water replenishing device 5 and further diffuses into a plant root system and soil around the root system.
The deep infiltration water replenishing device 6 is of a cylindrical structure with the upper end and the lower end sealed, the upper end of the deep infiltration water replenishing device 6 is fixedly connected with a second water conveying pipe 8 and a vent pipe 11, a plurality of first water outlet holes 13 are arrayed on the circumference of the lower end of the cylinder wall of the deep infiltration water replenishing device 6, the diameter of each first water outlet hole 13 is 0.2-2 cm, the positions of the first water outlet holes 13 are arranged according to the positions of sowed plants, a water absorbing rope 14 penetrates through each first water outlet hole 13, the length of each water absorbing rope 14 inside the deep infiltration water replenishing device 6 is 3-10 cm, a first protective sleeve 15 is nested on the outer wall of the water absorbing rope 14 outside the deep infiltration water replenishing device 6, the diameter of each first protective sleeve 15 is 0.3-2.2 cm, one end of each first protective sleeve 15 is hermetically connected with the corresponding first water outlet hole 13, a plurality of water holes 16 are formed in the pipe wall of each first protective sleeve 15, the water absorbing rope 14 inside each first protective sleeve 15 extends outwards by 30-200 cm, the water absorbing rope 14 inside each first protective sleeve 15 can accurately replenish water to the left and right parts of seeds, and the water in the left and right parts of the water absorbing rope, and the water discharging pipe of the plant, and the water replenishing water discharging control the water discharging pipe of the plant discharging pipe 14; in a planting field far away from a water source field and a high-slope drought field, the diameter of the deep penetration compensator 6 is increased by 5-20 cm, the height of the deep penetration compensator 6 is increased by 20-60 cm, the height of the deep penetration compensator 6 exposed out of the ground is 10-50 cm, and water filled in the deep penetration compensator 6 at one time can provide long-time water for soil where plant roots are located.
The long-pipe water replenishing device 7 at the upper end of the ground comprises a main pipe 17 arranged at the upper end of the ground, a third water conveying pipe 8 and a plurality of branch pipes 18, wherein the third water conveying pipe 8 and the plurality of branch pipes 18 are communicated with the inside of the main pipe 17 and are respectively arranged at the upper end and the lower end of the main pipe 17, and are suitable for planted and grown plants; water is irrigated in the soil of the plant root system in an infiltrating manner through the water absorption ropes 14 in the second protective sleeves 15 at the left side and the right side or one side of the branch pipe 18, and the diameter of the third water delivery pipe 8 is 0.5-20 cm, and the length of the third water delivery pipe is 0.5-20 cm.
The long-tube water replenishing device 7 at the lower end of the ground comprises a main tube 17 buried in the soil and a fourth water delivery tube 8 communicated with the inside of the main tube 17 and arranged at the upper end of the main tube 17, is suitable for replenishing water for the soil for sowing seeds of plants and replenishing water for the soil for sowing seeds in two rows or replenishing water in a single row, the water replenishing mode is that water is infiltrated and irrigated in the soil of a plant root system through a water absorption rope 14 in a third protective sleeve 15, the main tube 17 is buried below a plough seed layer and is 10-55 cm away from the ground, and the upper end of the fourth water delivery tube 8 is 5-20 cm higher than the ground; fourth raceway 8 and delivery pipe 9's inside intercommunication, the symmetry is equipped with a plurality of third apopores 13 on being responsible for 17's the pipe wall, and third apopore 13 runs through and is equipped with the rope 14 that absorbs water, and the nestification is equipped with third protection casing 15 on being responsible for 17 outside rope 14's the outer wall that absorbs water, and the one end and the third apopore 13 sealing connection of third protection casing 15 are equipped with a plurality of infiltration holes 16 on third protection casing 15's the pipe wall.
The water storage and seepage nutrition substrate 10 comprises raw soil, organic fertilizer, organic matter, fine sand, coarse sand, coal dust, coal slag, plant carbon and active carbon in the planting furrows 2, hard impurities such as stones and the like in the raw soil in the planting furrows 2 are screened out, and the water storage and seepage nutrition substrate 10 comprises 50-65% of the raw soil, 15-20% of the organic fertilizer, 5-10% of the organic matter, 10-20% of the fine sand, the coarse sand, the coal dust and the coal slag, and 2-5% of the plant carbon and the active carbon.
Two sides above the planting ditch 2 are provided with retaining dams 20, soil used by the retaining dams 20 is original soil remained in the planting ditch 2, one end of the retaining dams 20 close to the planting ditch 2 is subjected to slope treatment, the angle of the slope is an acute angle, the infiltration rate of rainwater can be increased in a short time, and the distance between the retaining dams 20 and the planting ditch is 10-30 cm.
The vent pipe 11 is a circular tubular structure; the inside lower extreme of irritating moisturizing ware 5 deeply is equipped with moisturizing control panel 1, and moisturizing control panel 1's cross sectional shape is the arc, and moisturizing control panel 1's interior concave surface sets up towards the root system of trees, and moisturizing control panel 1's outside sets up towards the position of no trees root system for one side that single tree root system was oozed in the control water storage.
The upper part of the water storage and seepage nutrition substrate 10 is embedded with a strip irrigation and water supplementing device 21, the lower end of the strip irrigation and water supplementing device 21 is opened and embedded at a position 5-40 cm below the ground, the strip irrigation and water supplementing device 21 is made of waterproof materials, the width of the strip irrigation and water supplementing device 21 is 5-50 cm, the height of the strip irrigation and water supplementing device 21 is 5-50 cm, the length of the strip irrigation and water supplementing device 21 is 1-30 m, the cross section of the strip irrigation and water supplementing device 21 is n-shaped, the heights of two side plates of the n-shaped strip irrigation and water supplementing device 21 are equal or unequal according to actual conditions, the two side plates are used for controlling the water direction when being unequal, the cross section of the strip irrigation and water supplementing device 21 can also be round or semicircular, and when the strip irrigation and water supplementing device is used, the two ends of the strip irrigation and water supplementing device are sealed for irrigating trees; the upper side plate of the strip irrigation water replenishing device 21 is provided with a water inlet pipe 19 and a vent hole 22 in a penetrating way, the diameter of the water inlet pipe 19 is 2-20 cm, the height of the water inlet pipe is 5-30 cm, the diameter of the vent hole 22 is 0.1-0.5 cm, and the water inlet pipe 19 is communicated with the inside of the water supply pipe 9.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a moisturizing device of nursery stock, seed seeding which characterized in that: comprises a planting hole and a plurality of planting furrows which are arranged on the left side and the right side of the planting hole and are in linear array; the planting device comprises a planting hole, planting ditches and planting ditches, wherein anti-leakage layers are arranged at the bottoms of the planting hole and the planting ditches, a plurality of planting ditches are used for alternately planting nursery stocks and seedling seeds, a plurality of deep-irrigation water replenishing devices are arranged in the inner linear array of the planting ditches where the nursery stocks are located, a plurality of deep-irrigation water replenishing devices or long-tube water replenishing devices are arranged in the inner linear array of the planting ditches where the seedling seeds are located, water conveying pipes and air pipes are arranged among the deep-irrigation water replenishing devices, the deep-irrigation water replenishing devices and the long-tube water replenishing devices in a linear arrangement mode, the upper ends of the deep-irrigation water replenishing devices, the deep-irrigation water replenishing devices and the long-tube water replenishing devices are all provided with water conveying pipes and air pipes, and water conveying pipes communicated with the inner portions of the water conveying pipes are arranged at the upper ends of the deep-irrigation water replenishing devices, the deep-irrigation water replenishing devices and the long-tube.
2. The water replenishing device for seedling and seed sowing according to claim 1, wherein: the seedling and seedling seeds are planted on two sides of the planting ditch along the length direction of the planting ditch; a deep irrigation water replenishing device is arranged among the seedlings, and a deep seepage water replenishing device or a long pipe water replenishing device is arranged among the seedlings; and the lower ends of the deep irrigation water replenishing device, the deep seepage water replenishing device and the long pipe water replenishing device are provided with water storage and seepage nutrition matrixes.
3. The water replenishing device for seedling and seed sowing according to claim 2, wherein: the deep irrigation water replenishing device is of a cylindrical structure with the upper end sealed, an annular sealing ring is sleeved on the outer wall of the lower end of the deep irrigation water replenishing device, and a water conveying pipe and a ventilating pipe are fixedly connected to the upper end of the deep irrigation water replenishing device and communicated with the deep irrigation water replenishing device.
4. The water supplementing device for seedling and seed sowing according to claim 3, characterized in that: the deep infiltration replenishing water device is of a cylindrical structure with both sealed upper and lower ends, a second water conveying pipe and a ventilating pipe are fixedly connected to the upper end of the deep infiltration replenishing water device, a plurality of first water outlet holes are arranged on the circumference of the lower end of the cylinder wall of the deep infiltration replenishing water device in an array mode, a water absorbing rope penetrates through the first water outlet holes, a first protective sleeve is arranged on the outer wall of the water absorbing rope outside the deep infiltration replenishing water device in a nested mode, one end of the first protective sleeve is connected with the first water outlet holes in a sealing mode, and a plurality of water permeating holes are formed in the pipe wall of the first protective sleeve.
5. The seedling and seed sowing water supplementing device according to claim 4, wherein: the utility model discloses a water supply device, including the main pipe of locating ground upper end, with be responsible for inside intercommunication and locate the third raceway and a plurality of branch pipe of being responsible for upper and lower both ends respectively with being responsible for inside intercommunication of main pipe, the third raceway communicates with the inside of delivery pipe, the branch pipe is the cylindric structure that the lower extreme sealed, the pipe wall lower extreme symmetry of branch pipe is equipped with a plurality of second apopores, and is the second the apopore runs through and is equipped with the rope that absorbs water, the nested second protective casing that is equipped with on the outer wall of the outside rope that absorbs water of branch pipe, the second the one end and the second apopore sealing connection of protective casing, the second be equipped with a plurality of infiltration holes on the pipe wall of protective casing.
6. The seedling and seed sowing water supplementing device according to claim 5, wherein: the long-tube water replenishing device at the lower end of the ground comprises a main tube buried in soil, a fourth water delivery tube communicated with the inside of the main tube and arranged at the upper end of the main tube, the fourth water delivery tube is communicated with the inside of a water supply tube, a plurality of third water outlet holes are symmetrically formed in the tube wall of the main tube, water absorbing ropes are arranged on the water outlet holes in a penetrating mode, a third protecting sleeve is arranged on the outer wall of each water absorbing rope outside the main tube in a nesting mode, one end of the protecting sleeve is connected with the third water outlet holes in a sealing mode, and a plurality of water seepage holes are formed in the tube wall of the protecting sleeve.
7. The seedling and seed sowing water supplementing device according to claim 6, wherein: and two sides above the planting ditch are provided with retaining dams, one end of each retaining dam close to the planting ditch is subjected to slope treatment, and the slope angle is an acute angle.
8. The water replenishing device for seedling and seed sowing according to claim 7, wherein: the vent pipe is of a circular tubular structure; the inside lower extreme of deep irrigation moisturizing ware is equipped with the moisturizing control panel, the cross-sectional shape of moisturizing control panel is the arc.
9. The water replenishing device for seedling and seed sowing according to claim 8, wherein: the water storage and seepage nutrition substrate is characterized in that a strip irrigation and supplementation device is embedded in the upper portion of the water storage and seepage nutrition substrate, the section of the strip irrigation and supplementation device is n-shaped, an upper side plate of the strip irrigation and supplementation device is provided with a water inlet pipe and an air vent in a penetrating mode, and the water inlet pipe is communicated with the inside of a water supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220903316.1U CN218184517U (en) | 2022-04-19 | 2022-04-19 | Water supplementing device for seedling and seed sowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220903316.1U CN218184517U (en) | 2022-04-19 | 2022-04-19 | Water supplementing device for seedling and seed sowing |
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| CN218184517U true CN218184517U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220903316.1U Active CN218184517U (en) | 2022-04-19 | 2022-04-19 | Water supplementing device for seedling and seed sowing |
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| CN (1) | CN218184517U (en) |
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2022
- 2022-04-19 CN CN202220903316.1U patent/CN218184517U/en active Active
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