CN217136208U - Cigar tobacco temperature and humidity control seedling raising device suitable for tropical areas - Google Patents
Cigar tobacco temperature and humidity control seedling raising device suitable for tropical areas Download PDFInfo
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- CN217136208U CN217136208U CN202220601208.9U CN202220601208U CN217136208U CN 217136208 U CN217136208 U CN 217136208U CN 202220601208 U CN202220601208 U CN 202220601208U CN 217136208 U CN217136208 U CN 217136208U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The utility model discloses a be suitable for cigar tobacco leaf accuse temperature humidifying device of growing seedlings in hot zone, include: the arched shed support comprises 4 arc-shaped rods, and arc-shaped grooves are formed in the arc-shaped rods; the shading system comprises a shading net, a first net winding cylinder, a first sliding rod and a first sliding block, wherein the first net winding cylinder is rotatably arranged on one side of the arched shed support, and the first sliding rod is movably arranged in one pair of arc-shaped grooves; the temperature and humidity control system comprises a top film, a first film winding cylinder, a second sliding rod and a second sliding block, wherein the first film winding cylinder is rotatably arranged on one side of the arched shed support, the second sliding rod is movably arranged in the other pair of arc-shaped grooves, and the shading net is positioned above the top film. The utility model discloses not only can effectively satisfy tropical area to the general control of seedling stage illumination, temperature, can adjust rapidly and control when meetting extreme weather moreover, effectively solved the problem that the tobacco that tropical area extreme humiture caused grows poorly, the diathesis is low.
Description
Technical Field
The utility model relates to a be suitable for cigar tobacco leaf accuse temperature humidifying seedling culture device in tropical area belongs to tobacco seedling culture facility technical field.
Background
Cigars are special tobacco products, the sales volume of the cigars is rapidly increased in recent years, the cigars become new economic growth points of the tobacco industry, and the demand for high-quality cigar tobacco raw materials is continuously increased. The seedling culture is the primary link of cigar tobacco production, and the culture of high-quality tobacco seedlings is crucial to the production of high-quality cigar tobacco. As the dominant production area of the cigar tobacco leaves in China, Hainan is favored by cigar industrial enterprises due to the unique tropical sea island climate. However, in the seedling growing season of Hainan, particularly in the early and middle stages of seedling growing, the temperature is high, the illumination is strong, tobacco seedlings grow rapidly, the stems are thin and the tobacco seedlings are weak, and diseases are easy to grow in the later stage when the temperature is lowered and the humidity is high.
Although the quality of tobacco seedlings is improved to a certain extent by improving the seedling raising mode in the tobacco area, for example, by popularizing the cigar tobacco leaf moistening seedling raising technology, the tobacco seedling quality is greatly limited by factors such as low regulation and control performance of seedling raising facilities and devices such as the existing seedling raising shed and seedling pool, and further improvement of the tobacco seedling quality is also greatly limited.
The applicant finds that the traditional tobacco seedling raising device is mostly suitable for raising flue-cured tobacco seedlings, insufficient in control of illumination, temperature and the like in the seedling stage, difficult to rapidly adjust and control when the extreme temperature is met in the seedling stage, on the other hand, the tobacco seedling raising frame mostly adopts manual or electric spraying and water replenishing through the upper layer, the efficiency is relatively low, manpower and material resource waste is caused to a certain extent, and aiming at the problems, the patent provides the shading, temperature and humidity controlling seedling raising device specially designed for cigars in tropical regions, and the shading, temperature and humidity controlling seedling raising quality of the cigar leaves is improved.
SUMMERY OF THE UTILITY MODEL
Based on the foregoing, the utility model provides a cigar tobacco leaf accuse temperature humidifying device of growing seedlings that is suitable for tropical area can control cigar seedling growth phase to the demand of illumination, temperature very effectively, and the control humiture that simultaneously better can solve the problem that the tobacco growth that extreme humiture caused is poor, the quality is low effectively.
The technical scheme of the utility model is that: a cigar tobacco temperature and humidity control seedling raising device suitable for a hot zone comprises:
the arched shed support comprises 4 arc-shaped rods which are oppositely arranged at two ends, two arc-shaped rods which are positioned at the same side are arranged at intervals, and arc-shaped grooves are formed in the arc-shaped rods;
the shading system comprises a shading net, a first net reeling cylinder, first sliding rods and first sliding blocks, wherein two opposite sides of the shading net are respectively connected with the first net reeling cylinder and the first sliding rods, the first net reeling cylinder is rotatably arranged on one side of the arched shed support, the first sliding rods are movably arranged in one pair of the arc-shaped grooves, and the other two opposite sides of the shading net are respectively slidably arranged in the arc-shaped grooves through a plurality of first sliding blocks;
the temperature and humidity control system comprises a top film, a first film winding cylinder, a second sliding rod and a second sliding block, wherein two opposite sides of the top film are respectively connected with the first film winding cylinder and the second sliding rod, the first film winding cylinder is rotatably arranged on one side of the arched shed support, the second sliding rod is movably arranged in the other pair of arc-shaped grooves, the other two opposite sides of the top film are respectively slidably arranged in the arc-shaped grooves through the second sliding blocks, and the shading net is positioned above the top film.
In one example, the method further comprises the following steps:
the air supply system comprises a fan and a temperature and humidity sensor, wherein the fan is arranged at one end of the arched shed support, and the temperature and humidity sensor is arranged in the arched shed support.
In one example, the method further comprises the following steps:
and the water supply system comprises a drip irrigation tape and a water-saving switch, wherein the water-saving switch is arranged on the drip irrigation tape, and the drip irrigation tape is paved at the bottom of the seedling culture pond in the arched shed support.
In one example, the first net roll and the first film roll are located on two opposite sides of the arched shed support.
In one example, the arched shed support further comprises 4 upright posts and 2 cross rods, wherein the 4 upright posts are arranged at intervals relatively, the 2 cross rods are respectively and relatively lapped on the 2 upright posts, and the arc-shaped rods are erected between the 2 upright posts.
In one example, the shading system further comprises a second mesh winding drum rotatably arranged at the other side opposite to the first mesh winding drum, and the second mesh winding drum is connected with the first sliding rod through a mesh winding rope.
In one example, the first net rolling cylinder and the second net rolling cylinder are both connected with a net rolling hand crank.
In one example, the temperature and humidity control system further comprises a second film winding drum, the second film winding drum is rotatably arranged at the other side opposite to the first film winding drum, and the second film winding drum is connected with the second sliding rod through a film winding rope.
In one example, the first film winding drum and the second film winding drum are both connected with a film winding hand crank.
In one example, the first sliding rod and the second sliding rod are provided with rolling wheels at two ends, and the rolling wheels can move along the arc-shaped grooves.
The utility model has the advantages that:
1. the seedling raising device consists of an arched shed support, a shading system and a temperature and humidity control system, wherein the shading system consists of a shading net, a first net winding cylinder, a first sliding rod and a first sliding block, the temperature and humidity control system consists of a top film, a first film winding cylinder, a second sliding rod and a second sliding block, and through the above composition structure, the seedling raising device not only can effectively meet the general control of illumination and temperature in seedling stage in tropical areas, but also can be quickly adjusted and controlled in extreme weather, and effectively solves the problems of poor tobacco growth and low quality caused by extreme temperature and humidity in tropical areas.
2. The seedling raising device can be disassembled, can be assembled according to actual needs at any time and any place, and is economical, practical and long in service life. In practical application, the size of the seedling raising machine can be adjusted according to the actual needs according to local conditions, and the land utilization efficiency and the seedling raising efficiency are greatly improved.
3. This device of growing seedlings brings supplementary nutrient solution or moisture through the drip irrigation of laying in the pond bottom of growing seedlings, and efficiency is higher, and is extravagant less.
Drawings
FIG. 1 is a schematic view of an arched shed support;
FIG. 2 is a schematic view of a nursery device (without a top film and a shading net installed);
FIG. 3 is a schematic view of the device for raising seedlings (without the top film and the shading net installed);
FIG. 4 is a schematic view of a seedling raising apparatus (mounting a top film and a shading net);
FIG. 5 is a schematic view of a shadow mask;
FIG. 6 is a schematic view of a top film;
FIG. 7 is a schematic view of a water supply system;
description of reference numerals:
1, supporting a shed;
11 upright posts, 12 cross rods, 13 arc-shaped rods and 14 arc-shaped grooves;
2, shading system;
21 a shading net, 22 a first net rolling cylinder, 23 a first sliding rod, 24 a first sliding block, 25 a second net rolling cylinder, 26 a net rolling crank and 27 a net rolling rope;
3, a temperature and humidity control system;
31 top films, 32 first film winding drums, 33 second sliding rods, 34 second sliding blocks, 35 second film winding drums, 36 film winding hand cranks, 37 film winding ropes and 38 shed films;
an air supply system;
41 a fan;
5, a water supply system;
51 drip irrigation belt and 52 water-saving switch.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
Referring to fig. 1 to 7, the temperature and humidity control seedling raising device for cigar tobacco suitable for hot areas according to the present embodiment includes a seedling raising pool, an arched shed support 1, a shading system 2, a temperature and humidity control system 3, an air supply system, and a water supply system 5.
The seedling raising pond is a cuboid without a cover. In the embodiment, the height of the pond wall of the seedling raising pond is 10-20cm, the length of the pond bottom is 7m, the width of the pond bottom is 2.2m, and the pond bottom and the pond wall can be spliced together through the clamping grooves. When the seedling raising grid plates are placed, the long edges of the seedling raising grid plates are arranged along the width direction of the seedling raising pool, the short edges of the seedling raising grid plates are arranged along the long edge direction of the seedling raising pool, 1 row of short edges of the conventional seedling raising grid plates are arranged, namely 20-23 plates, the whole seedling raising grid plate can be used for raising 80-92 plates, and seedlings can be transplanted to 4 mu of cigar tobacco fields.
The shading system 2 is erected on the arched shed support 1 and comprises a shading net 21, a first net winding cylinder 22, a first sliding rod 23 and a first sliding block 24, wherein two opposite sides of the shading net 21 are respectively connected with the first net winding cylinder 22 and the first sliding rod 23, the first net winding cylinder 22 is rotatably installed on one side of the arched shed support 1, the first sliding rod 23 is movably arranged in a pair of arc-shaped grooves 14, and the other two opposite sides of the shading net 21 are respectively slidably installed in the arc-shaped grooves 14 through a plurality of first sliding blocks 24. In operation, the first screen cylinder 22 is rotated, and the first sliding rod 23 moves in the arc-shaped slot 14, and the first sliding block 24 is used for guiding, so that the shading screen 21 is unfolded and furled. When the first sliding rod 23 moves along the arc-shaped slot 14 to the end far away from the first screen drum 22, the first sliding rod 23 drives the shading screen 21 to gradually expand, so as to realize the shading function. When the first sliding bar 23 moves along the arc-shaped slot 14 toward the end close to the first screen cylinder 22 and the first sliding bar 23 rotates, the shading screen 21 is gradually wound on the first screen cylinder 22. In this embodiment, the light transmittance of the shading net 21 is 60 to 70%.
To facilitate handling of first slide bar 23, shade system 2 further comprises a second net drum 25, second net drum 25 being rotatably mounted on opposite side of canopy support 1 from first net drum 22, second net drum 25 being connected to first slide bar 23 by net-winding cord 27. In this embodiment, the net rolling ropes 27 may be several ropes arranged at intervals. In operation, when it is desired to unroll the shade screen 21, the second screen cylinder 25 is rotated, thereby winding the screen rope 27 around the second screen cylinder 25 and driving the first sliding rod 23 to move and unroll in the arc-shaped slot 14.
In order to facilitate the rotation operation, the first net rolling cylinder 22 and the second net rolling cylinder 25 are both connected with the net rolling hand crank 26, and the first net rolling cylinder 22 and the second net rolling cylinder 25 can be rotated through the net rolling hand crank 26. In this embodiment, the first net drum 22 and the second net drum 25 can be mounted on the arched shed support 1 through the bearing seat.
The temperature and humidity control system 3 is installed on the arched shed support 1 and located below the shading net 21, and comprises a top film 31, a first film winding cylinder 32, a second sliding rod 33 and a second sliding block 34, wherein two opposite sides of the top film 31 are respectively connected with the first film winding cylinder 32 and the second sliding rod 33, the first film winding cylinder 32 is rotatably installed on one side of the arched shed support 1, the second sliding rod 33 is movably arranged in the other pair of arc-shaped grooves 14, and the other two opposite sides of the top film 31 are respectively slidably installed in the arc-shaped grooves 14 through a plurality of second sliding blocks 34. In operation, the top film 31 can be unfolded and furled by the rotation of the first film winding drum 32 and the movement of the second sliding rod 33 in the arc-shaped groove 14 through the guiding function of the second sliding block 34. When the second sliding rod 33 moves towards the end far away from the first film rolling cylinder 32 along the arc-shaped groove 14, the second sliding rod 33 drives the top film 31 to gradually expand, so that the top sealing of the arched shed support 1 is realized. When the second sliding rod 33 moves along the arc-shaped slot 14 to the end close to the first film winding drum 32, and the second sliding rod 33 rotates, the top film 31 is gradually wound on the first film winding drum 32.
In order to facilitate the operation of the second sliding rod 33, the temperature and humidity control system 3 further comprises a second film winding drum 35, the second film winding drum 35 is rotatably mounted on the other side of the arched shed support 1 opposite to the first film winding drum 32, and the second film winding drum 35 is connected with the second sliding rod 33 through a film winding rope 37. In this embodiment, the film winding ropes 37 may be several ropes arranged at intervals. In operation, when the top film 31 needs to be unfolded, the second film winding drum 35 is rotated, so that the film winding rope 37 is wound on the second film winding drum 35, and the second sliding rod 33 is driven to move and unfold in the arc-shaped groove 14.
In order to facilitate the rotating operation, the first film winding drum 32 and the second film winding drum 35 are both connected with the film winding hand crank 36, and the first film winding drum 32 and the second film winding drum 35 can be rotated through the film winding hand crank 36. In this embodiment, the first film winding drum 32 and the second film winding drum 35 can be mounted on the arched shed support 1 through the bearing seats.
In order to improve the operation effect, the first net winding cylinder 22 and the first film winding cylinder 32 are respectively positioned at two opposite sides of the arched shed support 1, and the shading net 21 and the top film 31 are wound in different directions during operation, so that the operation interference can be avoided as much as possible.
In order to facilitate the sliding of the sliding rods, the two ends of the first sliding rod 23 and the second sliding rod 33 are respectively provided with a roller, and the rollers can move along the arc-shaped grooves 14, so that the operation effect is improved.
It should be noted that besides the top film 31, a shed film 38 is also arranged around the arched shed support 1, and both the top film 31 and the shed film 38 can be heat-insulating films. In addition, the periphery of the top film 31 is of a wrapping structure, so that deformation in the moving process is prevented.
Air supply system realizes the regulation of temperature and humidity in the canopy through the air supply, including fan 41 and temperature and humidity sensor, fan 41 installs the one end at arched shed support 1, and temperature and humidity sensor installs in arched shed support 1. During operation, temperature and humidity in the greenhouse are sensed through the temperature and humidity sensor, and then the fan 41 controls the air supply quantity according to the adjustment requirement.
The water supply system 5 is mainly used for supplying or supplementing nutrient solution or water and comprises a drip irrigation tape 51 and a water-saving switch 52, wherein the water-saving switch 52 is installed on the drip irrigation tape 51, the drip irrigation tape 51 is paved at the bottom of a seedling raising pond in the arched shed support 1, and water outlet holes are formed in the drip irrigation tape 51 at intervals along the length direction of the drip irrigation tape. In this embodiment, the drip irrigation tape 51 is arranged at the bottom of the nursery pond in an S-shape. When the device works, the drip irrigation tape 51 can be connected with a water pump and the like, and the opening and closing of the water-saving switch 52 can be controlled manually according to the water condition at the bottom of the seedling raising pond, so that nutrient solution or water can be supplied or supplemented.
It should be noted that the whole seedling raising shed can be sealed by the insect-proof net according to the climate and insect pest occurrence characteristics of tropical regions, so that insect pests are prevented from entering the seedling raising shed, and the insect-proof net is fixed.
The utility model discloses the device of growing seedlings can be dismantled, can assemble according to actual need anytime and anywhere, economical and practical, longe-lived. In practical application, the size of the seedling raising machine can be adjusted according to the actual needs according to local conditions, and the land utilization efficiency and the seedling raising efficiency are greatly improved.
In order to compare the seedling culturing difference of the seedling culturing device with the traditional facility, a seedling culturing contrast test is set, a seedling culturing test is carried out at the delirium test base of the Haikou cigar research institute of the Hainan company of the general tobacco company of Hainan province of Hainan, the Yangzhou state, the Hainan province, the delirium test base is the same in external conditions, the seedling culturing device is adopted in one group of treatment, the conventional facility is adopted in one group of treatment, the seedling culturing is carried out in one group of treatment, and the quality difference of the cultured tobacco seedlings before transplanting is inspected.
1. The seedling growing device and the conventional facility grow seedling growing trend contrast
Respectively sampling in the rooting period of cigar seedlings, and comparing the indexes of growth vigor, seedling color, uniformity and the like. As can be seen from the table 1, although the cigar seedlings grown by the conventional facility grow uniformly, the whole leaf color is green, the growth potential is strong, and the cigar seedlings grown by the seedling growing device have dark green leaf color, the tobacco seedlings grow uniformly, the growth potential is strong, and the whole growth quality is improved.
TABLE 1 comparison of growth conditions of cigar seedlings grown by the seedling growing device with conventional facility seedling growing
2. The seedling raising device and the conventional facility seedling raising effect contrast
When the cigar seedlings reach the seedling stage, the field transplanting can be carried out, and the sampling is respectively carried out to investigate the relevant indexes such as the agronomic characters, the SPAD of the leaves, the biomass and the like. The results are shown in tables 2 and 3, the plant height of the cigar seedlings cultivated by the seedling cultivation device is not obvious different from that of the conventional seedling cultivation, the stem circumference, the number of leaves, the whole plant and the root quality of the cigar seedlings cultivated by the seedling cultivation device are obviously higher than those of the cigar seedlings cultivated by the conventional facility, the SPAD value of the grown leaves of the cigar seedlings is obviously higher than that of the cigar seedlings cultivated by the conventional facility, the quality of the cigar seedlings is greatly improved, and the survival rate after transplanting is improved.
TABLE 2 comparison of agronomic traits of cigar seedlings raised by the device, SPAD and conventional facility seedlings
TABLE 3 comparison of biomass of cigar seedlings raised by the device with conventional facility seedlings
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A cigar tobacco temperature and humidity control seedling raising device suitable for tropical regions is characterized by comprising:
the arched shed support (1) comprises 4 arc-shaped rods (13) which are oppositely arranged at two ends, two arc-shaped rods (13) which are positioned at the same side are arranged at intervals, and arc-shaped grooves (14) are formed in the arc-shaped rods (13);
the shading system (2) comprises a shading net (21), a first net reeling cylinder (22), a first sliding rod (23) and a first sliding block (24), wherein two opposite sides of the shading net (21) are respectively connected with the first net reeling cylinder (22) and the first sliding rod (23), the first net reeling cylinder (22) is rotatably arranged at one side of the arched shed support (1), the first sliding rod (23) is movably arranged in one pair of the arc-shaped grooves (14), and the other two opposite sides of the shading net (21) are respectively slidably arranged in the arc-shaped grooves (14) through a plurality of first sliding blocks (24);
the temperature and humidity control system (3) comprises a top film (31), a first film winding cylinder (32), a second sliding rod (33) and a second sliding block (34), wherein two opposite sides of the top film (31) are respectively connected with the first film winding cylinder (32) and the second sliding rod (33), the first film winding cylinder (32) is rotatably arranged on one side of the arched shed support (1), the second sliding rod (33) is movably arranged in the other pair of arc-shaped grooves (14), the other two opposite sides of the top film (31) are respectively slidably arranged in the arc-shaped grooves (14) through the second sliding blocks (34), and the shading net (21) is positioned above the top film (31).
2. The cigar tobacco temperature and humidity control seedling raising device according to claim 1, further comprising:
air supply system, including fan (41) and temperature and humidity sensor, fan (41) set up in the one end of hunch canopy support (1), temperature and humidity sensor set up in hunch canopy support (1).
3. The cigar tobacco temperature and humidity control seedling raising device according to claim 1, further comprising:
and the water supply system (5) comprises a drip irrigation tape (51) and a water-saving switch (52), wherein the water-saving switch (52) is arranged on the drip irrigation tape (51), and the drip irrigation tape (51) is paved at the bottom of the seedling culture pond in the arched shed support (1).
4. The cigar tobacco temperature and humidity control seedling raising device according to claim 1, wherein the first net winding drum (22) and the first film winding drum (32) are respectively positioned at two opposite sides of the arched shed support (1).
5. The cigar tobacco temperature and humidity control seedling raising device according to claim 1, wherein the arched shed support (1) further comprises 4 upright columns (11) and 2 cross bars (12), the 4 upright columns (11) are arranged at intervals relatively, the 2 cross bars (12) are respectively and relatively lapped on the 2 upright columns (11), and the arc-shaped rods (13) are erected between the 2 upright columns (11).
6. The cigar tobacco temperature and humidity control seedling raising device according to claim 1, wherein the shading system (2) further comprises a second net rolling cylinder (25), the second net rolling cylinder (25) is rotatably arranged at the other side opposite to the first net rolling cylinder (22), and the second net rolling cylinder (25) is connected with the first sliding rod (23) through a net rolling rope (27).
7. The cigar tobacco temperature and humidity control seedling raising device according to claim 6, wherein the first net rolling cylinder (22) and the second net rolling cylinder (25) are connected with a net rolling hand crank (26).
8. The cigar tobacco temperature and humidity control seedling raising device according to claim 1, wherein the temperature and humidity control system (3) further comprises a second film winding drum (35), the second film winding drum (35) is rotatably arranged at the other side opposite to the first film winding drum (32), and the second film winding drum (35) is connected with the second sliding rod (33) through a film winding rope (37).
9. The cigar tobacco temperature and humidity control seedling raising device according to claim 8, wherein the first film rolling drum (32) and the second film rolling drum (35) are both connected with a film rolling hand crank (36).
10. The cigar tobacco temperature and humidity control seedling raising device according to claim 1, wherein rollers are arranged at both ends of the first sliding rod (23) and the second sliding rod (33), and the rollers can move along the arc-shaped grooves (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220601208.9U CN217136208U (en) | 2022-03-18 | 2022-03-18 | Cigar tobacco temperature and humidity control seedling raising device suitable for tropical areas |
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| CN202220601208.9U CN217136208U (en) | 2022-03-18 | 2022-03-18 | Cigar tobacco temperature and humidity control seedling raising device suitable for tropical areas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115589859A (en) * | 2022-10-11 | 2023-01-13 | 吉安市林业科学研究所（吉安市青原山试验林场）（Cn） | Cuttage seedling raising method and seedling raising equipment for sassafras |
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2022
- 2022-03-18 CN CN202220601208.9U patent/CN217136208U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115589859A (en) * | 2022-10-11 | 2023-01-13 | 吉安市林业科学研究所（吉安市青原山试验林场）（Cn） | Cuttage seedling raising method and seedling raising equipment for sassafras |
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