CN112586231A

CN112586231A - Seedling raising tray

Info

Publication number: CN112586231A
Application number: CN202011573014.4A
Authority: CN
Inventors: 陈建军; 蒋松; 刘辉
Original assignee: Hunan Zoomlion Intelligent Agricultural Machinery Co ltd
Current assignee: Hunan Zoomlion Intelligent Agricultural Machinery Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-02

Abstract

The invention relates to a seedling raising tray which comprises a tray body and a plurality of pot holes arranged on the tray body, wherein the tray body is provided with a first direction and a second direction which are vertical to each other, and the pot holes are distributed in rows and columns along the first direction and the second direction; and a gap part is arranged between any two adjacent rows of the pot holes in the first direction, and a bent part is arranged in the gap part in the first direction to enable the seedling raising disc to be contracted. The seedling tray can be contracted/extended, and is in a contracted state during seedling culture so as to reduce the field area required by seedling culture; during transplanting operation, the seedling raising tray is in a stretching state, can meet the requirement of seedling taking of a transplanting machine, and is suitable for being applied to the transplanting machine.

Description

Seedling raising tray

Technical Field

The invention relates to the technical field of crop planting, in particular to a seedling raising tray.

Background

China is a big agricultural country, crops, particularly rice, as a main grain crop influences the economic life cycle of the whole country, and due to the loss of rural labor force and the aging of farmers, the planting requirements of crops such as rice and the like develop towards the directions of light simplification, large scale and high yield. The seedling raising tray is adopted for crop seedling raising, intensive management is facilitated, high and stable yield of crops is facilitated, the seedling raising cost is lower than the artificial seedling raising cost, and the requirement of agricultural modernization development is met.

A seedling raising plate which is commonly used in the market at present and is suitable for raising seedlings of crops such as rice, rape and the like is shown in figure 1, a plurality of seedling raising pot bodies are distributed on the seedling raising plate, and pot holes are distributed on the seedling raising plate in rows and columns. In order to adapt to a seedling taking mechanism of mechanical transfer equipment, a certain width interval needs to be set between each row of pot holes on a seedling tray, and the size of the seedling tray is larger due to the interval. The pot hole distribution mode is easy to adapt to mechanized transplanting with fixed row spacing and plant spacing, but still has the following problems:

the width size of educating seedling tray is bigger than normal, and educates the width size of seedling tray and the ratio that the actual width that occupies of seedling is also great for the density of seedling is low, and it is big to need the place of growing seedlings when growing seedlings, is unfavorable for the management, and middle cost is high.

Disclosure of Invention

The invention aims to solve the technical problem of providing a seedling raising tray capable of reducing the occupied space.

The invention is realized by the following technical scheme:

a seedling raising tray comprises a tray body and a plurality of pot holes arranged on the tray body, wherein the tray body is provided with a first direction and a second direction which are vertical to each other, and the pot holes are distributed in rows and columns along the first direction and the second direction; and a gap part is arranged between any two adjacent rows of the pot holes in the second direction, and the gap part is provided with a bending part in the second direction.

Further, the seedling raising plate further comprises a connecting disc which is sleeved and connected with the contracted seedling raising plate and is fixed in state, a plurality of connecting holes matched with the pot holes are formed in the connecting disc, and the connecting holes in the connecting disc are sleeved and connected with the bottom of the pot holes of the contracted seedling raising plate in the first direction.

Further, a educate seedling tray, the kink runs through the disk body, when the disk body shrink the kink is in the cross-section in the second direction is the V-arrangement, the opening of V-arrangement with the opening in alms bowl cave is in the coplanar.

Furthermore, the seedling raising tray is characterized in that the bent part is provided with two first surfaces and two second surfaces which are respectively opposite to the two first surfaces, a first bent groove is formed between the two first surfaces, and second bent grooves are respectively formed at the joints of the second surfaces and the tray body; when the tray body (1) contracts, the two first surfaces move downwards to form a V shape, and the V-shaped opening formed by the two first surfaces and the opening of the bowl cavity are in the same plane. .

Further, the seedling raising tray is characterized in that the tray body is provided with a first bending groove and a second bending groove, and the first bending groove and the second bending groove penetrate through the tray body in the second direction.

Further, a educate seedling tray, the disk body is the soft materials of flexible resilience.

Further, a educate seedling tray, one side of disk body and the opposite side edge set up mutual lock respectively and make the public button and the box of disk body end to end connection after the bending.

Further, a educate seedling tray, the disk body passes through from beginning to end after the bending the connection pad, perhaps, pin thread and box are connected and are formed ring column structure, a plurality of the bottom in alms bowl cave is located ring column structure's lateral surface.

Furthermore, the seedling raising tray is characterized in that the bent parts are provided with clearance holes in a line along the first direction, and the clearance holes are arranged at intervals with the pot holes distributed in a line along the first direction.

Further, a educate seedling tray, two at least relative limits of disk body set up the turn-ups, evenly set up a plurality of breachs on the turn-ups.

The invention has the advantages and effects that:

1. the seedling tray provided by the invention can be contracted/extended, and is in a contracted state during seedling culture, so that the field area required by seedling culture can be reduced (actually reduced by more than 30%); when transplanting, the seedling tray is in an extending state, can meet the seedling taking requirement of a transfer machine, and is suitable for being applied to the transplanting machine.

2. The tray body of the seedling tray provided by the invention can be bent into a roll shape and then transferred, so that the occupied space is reduced, the roll-shaped seedling tray can be stacked during transferring, the space utilization rate is improved, the one-time transferring amount is improved, the labor cost is reduced, and the transferring efficiency and the operation efficiency are improved.

Drawings

FIG. 1 is a schematic view showing a structure of a nursery site according to the prior art;

fig. 2 is a schematic structural view illustrating an extended state of a nursery site according to an embodiment of the present invention;

FIG. 3 shows a left side view of FIG. 2;

FIG. 4 shows a bottom view of FIG. 2;

fig. 5 is a schematic structural view illustrating a connection disc of a seedling raising tray according to an embodiment of the present invention;

FIG. 6 is a schematic view showing a contracted state of a nursery site according to an embodiment of the present invention;

FIG. 7 shows a schematic view of a section A-A of FIG. 6;

FIG. 8 shows a bottom view of FIG. 6;

FIG. 9a shows an enlarged schematic view of portion D of FIG. 8;

FIG. 9b shows an enlarged schematic view of section D of FIG. 8 when extended;

FIG. 10 is a schematic view showing a nursery site according to an embodiment of the present invention after crimping example 1;

FIG. 11 is a schematic view showing a nursery site according to an embodiment of the present invention, which is example 2 after being curled;

FIG. 12 shows an enlarged schematic view of section F of FIG. 11;

fig. 13 shows a male buckle structure provided by an embodiment of the present invention;

fig. 14 shows a box structure provided by an embodiment of the present invention;

fig. 15 is a schematic view showing the connection between the flange of the seedling raising tray and the conveying wheel according to the embodiment of the invention.

Description of reference numerals: 1-disc body, 11-gap part, 12-bending part, 2-bowl cavity, 21-opening of bowl cavity, 3-clearance hole, 4-flanging, 41-notch, 5-connecting disc, 51-connecting cavity, 52-first surface, 53-second surface, 54-first bending groove, 55-second bending groove, 6-male buckle, 7-female buckle, 8-conveying wheel, 81-conveying plate, 82-pressing plate, X-first direction and Y-second direction.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention are described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention are described in detail below with reference to the accompanying drawings:

in the description of the present invention, it is to be understood that, unless otherwise specified, "a plurality" means two or more; the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and are therefore not to be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

Fig. 2 to 4 are schematic structural views of a seedling raising tray provided by an embodiment of the invention. The seedling tray is used for planting seedlings of crops such as rice or rape. The seedling raising plate can be used on a seedling raising machine or a seedling raising machine, soil paving, seeding, soil covering, water sprinkling and the like are carried out on pot holes of the seedling raising plate, and seedling raising mechanization or automation is realized; the seedling-picking mechanism of the transplanting machine can pick the seedlings from the seedling-raising tray and then transplant the seedlings (such as seedling throwing, seedling transplanting, transplanting and the like), thereby realizing the mechanization or automation of transplanting the crop seedlings. The seedling raising tray comprises a tray body 1 and a plurality of pot holes 2 arranged on the tray body 1. The tray 1 has a first direction X and a second direction Y (for ease of description and understanding, denominated "first direction" and "second direction", respectively, and the "first direction" and "second direction" are interchangeable herein) perpendicular to each other, and a plurality of bowl wells 2 are arranged in rows and columns along the first direction X and the second direction Y. The plurality of bowl cavities 2 are preferably, but not limited to, uniformly arranged in a matrix. There are gap portions 11 between any two adjacent rows of bowl cavities 2 in the second direction Y of the tray body 1, and preferably, the width of each gap portion 11 is the same. The gap part 11 can be stressed and bent to enable two adjacent pot holes to be close to each other, and further the area of the seedling raising plate is reduced. Preferably, the gap portion 11 is provided with a bent portion 12 in the second direction Y for shrinking the tray, and the folded and unfolded states of the bent portion 12 are shown in fig. 8 and 9. As shown in fig. 2, the tray body 1 may be rectangular, two adjacent edges of the rectangular tray body are respectively located in a first direction X and a second direction Y, and the plurality of bowl cavities 2 are arranged in rows and columns along the rectangular tray body along the first direction X and the second direction Y. A number of bowl pockets adjacent to each other in the first direction X are in a row and a number of bowl pockets adjacent to each other in the second direction Y are in a column, as follows. The width of a plurality of gap parts between two adjacent rows of pot holes can be the same, namely a row of gap parts are formed and penetrate through the seedling raising tray. In the stretching state, the distance between the pot holes in two adjacent columns is a (including the width of the gap part), a is a distance value enabling seedlings to be taken out normally, and the distance between the pot holes in two adjacent rows is c.

The seedling raising plate further comprises a connecting disc 5, namely the seedling raising plate further comprises the connecting disc 5 which is sleeved and connected with the contracted seedling raising plate and is fixed in a state, a plurality of connecting holes 51 matched with the pot holes 2 are formed in the connecting disc 5, and a plurality of connecting holes 51 in the connecting disc (5) are sleeved and connected with the bottom of the pot holes 2 of the contracted seedling raising plate in the first direction. Fig. 5 is a schematic structural diagram of a connecting disc of a seedling raising tray provided by the embodiment of the invention. The connecting disc 5 is sleeved on the contracted seedling raising disc to be fixed, and the connecting disc 5 is provided with a plurality of connecting holes 51 which are matched with the plurality of pot holes 2 of the seedling raising disc and have the same size. The positions of the connecting holes 51 on the connecting disc 5 correspond to the positions of the pot holes 2 on the contracted seedling raising disc. Preferably, two rows of connecting holes 51 are formed in the connecting disc 5, the positions and the number of the connecting holes 51 correspond to those of the two rows of the pot holes 2 in the first direction X after shrinkage, and the two rows of the pot holes 2 are sleeved in the two rows of the connecting holes 51, so that the state of the seedling raising tray is fixed conveniently. The coupling cavity 51 may comprise only a hole adapted to fit around the periphery of the bowl cavity 2, may further comprise a cavity wall extending along the hole in a direction away from the coupling plate 5, and may comprise a cavity bottom connected to the bottom of the cavity wall. The connecting disc 5 can also realize the end-to-end connection between two or more seedling plates, so that the positions of each row of pot holes of the seedling plates can be aligned, more accurate seeding can be realized when hand-push seedling machines are used, and the operation accuracy is improved.

Fig. 6 to 8 are schematic views showing a contracted state of a seedling tray according to an embodiment of the present invention. As shown in fig. 6, in the contracted state, the distance between the bowl cavities in two adjacent rows is b (the gap portion is bent, and the width of the gap portion is not included), and the distance between the bowl cavities in two adjacent rows is c. As shown in fig. 5, the distance between two adjacent rows of connecting cavities 51 is equal to the distance c between two adjacent rows of pot cavities, and the distance between any two adjacent rows of connecting cavities in each row is equal to the distance b between two adjacent rows of pot cavities in the contracted state, so that the positions of the connecting cavities 51 of the connecting disc 5 can correspond to the positions of the pot cavities 2 after the disc body 1 is folded one by one, and thus, the fastening is realized. As shown in fig. 7 and 8, the plurality of connection holes 51 of the connection plate 5 are sleeved on the bottoms of the plurality of pot holes 2 of the contracted seedling-raising plate along the first direction X to maintain the contracted state of the seedling-raising plate. If necessary, a plurality of connecting discs, preferably 3 connecting discs, can be arranged on the contracted seedling raising disc. When seedling is needed, the empty seedling raising tray is forced from two sides to the middle along the first direction X, and the bending part 12 of the gap part 11 is bent. When the width between two adjacent rows of pot holes is compressed from a to b, a plurality of connecting discs 5 are scattered and buckled at the bottoms of the pot holes 2 in the first direction X, so that the seedling raising disc can be kept in a compressed state.

The bent part 12 penetrates through the disc body 1, when the disc body 1 contracts, the section of the bent part 12 in the first direction is in a V shape, and the opening of the V shape and the opening of the bowl cavity 2 are in the same plane. In the contracted state, the cross section of the bent portion 12 of the gap portion 11 in the second direction Y is a bent shape, and the bent shape may be any shape such as a W shape or a V shape that facilitates the contraction and expansion of the bent portion 12. As shown in fig. 8 and 9, the bent portion 12 has two first surfaces 52 and two second surfaces 53 opposite to the two first surfaces 52, a first bent groove 54 is disposed between the two first surfaces 52, and second bent grooves 55 are disposed at the joints of the second surfaces 53 and the tray body 1; when the tray body 1 contracts, the two first faces 52 move downwards to form a V shape, and the opening of the V shape formed by the two first faces 52 is in the same plane with the opening of the bowl cavity 2. A first bending groove 54 is arranged in the middle of the two first surfaces 52 (i.e. the bottom of the included angle of the V-shape formed during contraction, which may be on the perpendicular bisector of two adjacent pot holes 2 of the first surfaces 52), and second bending grooves 55, i.e. two opposite second bending grooves 55, are respectively arranged at the connection parts (which may be near two adjacent pot holes 2) of the second surface 53 and the tray body 1. The arrangement of the bending grooves is to facilitate bending, the first bending groove 54 moves downwards under the action of force of the stretched seedling raising tray, the two second bending grooves 55 are closed towards the middle, and finally the two first surfaces 52 are in a V-shaped state, so that the purpose of reducing the area of the seedling raising tray is achieved. The first bending groove 54 and the two second bending grooves 55 penetrate the tray body 1 in the second direction Y, respectively.

As shown in figures 10 and 11, the disk body 1 is made of flexible and resilient soft material, can be deformed and bent within a certain range under the action of external force, can be bent, and can be connected end to end. After seedling raising, the seedling raising tray needs to be moved to a field or a vegetable field for transplanting. Disk body 1 of end to end connection after the bending can stack a plurality of seedling trays that have the seedling when transporting, has improved space utilization, has increased disposable volume of transporting. The disk body 1 is connected end to end after being bent to form a circular cylindrical structure, and the bottoms of the plurality of pot holes 2 are positioned on the outer side surface of the circular cylindrical structure. Namely, the opening 21 of the pot cavity 2 is positioned on the inner side surface of the circular cylindrical structure, and the seedlings are positioned on the inner side surface of the circular cylindrical structure, so that the risk that the seedlings fall off from the seedling raising plate in the operation process is reduced.

The tray body 1 may be curved in the first direction X or the second direction Y. In order to maintain the stability of the connection disc in the pot cavity, it is preferable that the disc body 1 is bent in the second direction Y, i.e. the resilience force of the gap portion acts on the height line of the circular cylindrical structure.

Fig. 10 is a schematic view of a seedling tray according to an embodiment of the present invention shown in example 1 after being curled. Under the contraction state, the tray body 1 is bent in the second direction Y, the two rows of connecting holes of the connecting tray 5 are respectively sleeved on the pot holes of the head row and the tail row, and the head-tail connection of the seedling tray is realized while the contraction state of the seedling tray is kept. In order to keep the stability of the shrinkage state of the seedling raising plate, at least 2 connecting discs 5 are arranged on the circular cylindrical structure, namely the connecting discs 5 can be additionally arranged on the unstable and deformed part of the circular cylindrical structure, and two rows of connecting holes of the connecting discs 5 are respectively sleeved on two rows of pot holes of the deformed part of the circular cylindrical structure.

Fig. 11 and 12 are schematic diagrams showing a seedling raising tray provided by the embodiment of the invention and after being curled, the embodiment 2. Fig. 13 and 14 show a male and female buckle structure provided by an embodiment of the present invention; one edge of the tray body 1 and the edge of the other edge opposite to the one edge are respectively provided with a male buckle 6 and a female buckle 7 which are mutually buckled to enable the tray body 1 to be connected end to end after being bent. Preferably, in the contracted or expanded state, the tray body 1 is bent in the second direction Y, and the male buckle 6 and the female buckle 7 are respectively arranged on two edges of the tray body 1 in the first direction X. Specifically, as shown in fig. 12, the male buckle 6 is in an inverted T-shaped structure, and a cross-shaped hole matched with the T-shaped structure of the male buckle 6 is arranged in the middle of the female buckle 7. After the disk body 1 is bent to the end-to-end contact, the wider part (the upper part of the T-shaped structure, the first shape part) of the male buckle 6 can penetrate into the wider hole site (the first shape part) of the female buckle 7, and then the narrower part (the lower part of the T-shaped structure, the first shape part) of the male buckle 6 passes through the narrower hole site (the lower part of the cross-shaped structure, the first shape part) of the female buckle 7 to enable the wider part of the male buckle 6 to be clamped in the narrower hole site of the female buckle 7, and the two are buckled to form the circular ring column-shaped structure shown in fig. 11. The disk body 1 is connected end to end through the male buckle 6 and the female buckle 7 after being bent to form a circular ring columnar structure, and the bottoms of the bowl cavities 2 are located on the outer side face of the circular ring columnar structure. The tray body 1, the male buckle 6 and the female buckle 7 may be, but are not limited to, an integrally formed structure. In order to keep the stability of the shrinkage state of the seedling raising plate, 1 or more connecting plates 5 can be arranged on the circular cylindrical structure.

The bent part 12 is provided with clearance holes 3 in a line along the first direction, and the clearance holes 3 are arranged at intervals with the bowl cavities 2 distributed in a line along the first direction. The interval arrangement means that a row of pot holes 2, a row of empty-avoiding holes 3, a row of pot holes 2 and a row of empty-avoiding holes 3 … … are distributed at intervals. As shown in fig. 2, a clearance hole 3 is provided between two adjacent clearance portions 11. The clearance holes 3 are distributed in the gaps among the pot holes 2 in rows along the first direction X, have a certain width, can be rectangular, square, waist-shaped and the like, and can enable the bent parts to be bent when the tray body 1 is connected end to end in the second direction Y, as shown in figure 7, when the seedling tray is in a contraction state, the arrangement of the clearance holes enables V-shaped areas between two adjacent rows of pot holes to be discontinuous, so that the tray body 1 can be bent in the second direction Y to realize the end to end connection in the contraction state.

At least two opposite edges of the tray body 1 are provided with flanges 4, and a plurality of notches 41 are uniformly arranged on the flanges 4. The intensity that should educate seedling tray can be increased in the setting of turn-ups, reduces its risk by tearing in the use. As shown in fig. 3, 4 and 5, two long sides of the tray body 1 are provided with the flanges 4, that is, the flanges 4 are arranged on the sides perpendicular to the folding direction (that is, the sides in the second direction Y), so that when the seedling tray is sent to a seedling sending mechanism of a transplanting machine (such as a seedling thrower, a rice transplanter and a vegetable transplanter), the seedling tray is sent between the pressing plate 82 and the conveying plate 81 after being stretched, the flanges 4 at two sides can be clamped at the outer sides of the pressing plate 82 and the conveying plate 81, the seedling tray can be completely stretched from the contracted state and can be stretched and fixed, and the seedling taking requirement of the transplanting machine (such as the seedling thrower, the rice transplanter and the vegetable transplanter) is met. The flanging 4 is evenly provided with a plurality of notches 41. The notches 41 can be engaged with teeth on a conveying wheel 8 of a seedling conveying part of a transplanting machine (such as a seedling throwing machine, a rice transplanter and a vegetable transplanting machine), and the rotation of the conveying wheel 8 drives the seedling tray to convey seedlings. Fig. 5 is a schematic view showing the connection between the turned edge of the seedling tray and the conveying wheel according to the embodiment of the present invention, wherein the direction of the arc arrow is the rotation direction of the conveying wheel 8, and the direction of the straight arrow is the direction of the movement of the seedling tray along with the rotation of the conveying wheel 8. When the seedling raising tray is curled in the direction shown by the arrow in fig. 3, the notches formed in the turned-over edge 4 can make the turned-over edge smoothly and passively bent. The periphery of the seedling-raising plate can be provided with flanges. When the seedling tray provided with the flanging needs to be provided with the male buckle 6 and the female buckle 7 at the same time, the male buckle 6 and the female buckle 7 can be arranged on the flanging.

The above examples are only for illustrating the technical solutions of the present invention, and are not intended to limit the scope of the present invention. But all equivalent changes and modifications within the scope of the present invention should be considered as falling within the scope of the present invention.

Claims

1. A seedling raising tray comprises a tray body (1) and a plurality of pot holes (2) arranged on the tray body (1), and is characterized in that the tray body (1) is provided with a first direction and a second direction which are perpendicular to each other, and the pot holes (2) are distributed in rows and columns along the first direction and the second direction; and a gap part (11) is arranged between any two adjacent rows of the pot holes (2) in the second direction, and the gap part (11) is provided with a bent part (12) in the second direction.

2. A seedling tray according to claim 1, further comprising a connecting plate (5) sleeved on the contracted seedling tray to fix the state of the seedling tray, wherein a plurality of connecting holes (51) matched with the pot holes (2) are formed in the connecting plate (5), and the plurality of connecting holes (51) in the connecting plate (5) are sleeved on the bottoms of the pot holes (2) of the contracted seedling tray along the first direction.

3. A seedling-raising tray as claimed in claim 1 or 2, characterized in that the bent part (12) penetrates through the tray body (1), the cross section of the bent part (12) in the second direction is V-shaped when the tray body (1) is contracted, and the opening of the V-shape is in the same plane as the opening of the pot cavity (2).

4. A seedling raising tray as claimed in claim 3, characterized in that the bending part (12) has two first faces (52) and two second faces (53) opposite to the two first faces (52), a first bending groove (54) is formed in the middle of the two first faces (52), and second bending grooves (55) are formed at the connection positions of the second faces (53) and the tray body (1); when the tray body (1) contracts, the two first surfaces (52) move downwards to form a V shape, and the opening of the V shape formed by the two first surfaces (52) and the opening of the bowl cavity (2) are in the same plane.

5. A seedling raising tray as claimed in claim 4, characterized in that said first bending groove (54) and said second bending groove (55) penetrate said tray body (1) in said second direction.

6. A nursery site according to claim 1 or 2, characterized in that the tray body (1) is of a flexible resilient soft material.

7. A seedling raising tray as claimed in claim 6, wherein the edge of one side and the opposite side of the tray body (1) are respectively provided with a male buckle (6) and a female buckle (7) which are buckled with each other to enable the tray body (1) to be connected end to end after being bent.

8. A seedling raising tray as claimed in claim 2 or 7, characterized in that the tray body (1) is bent and then passes through the connecting tray (5) end to end, or the male button (6) and the female button (7) are connected to form a circular cylindrical structure, and the bottoms of the pot holes (2) are located on the outer side of the circular cylindrical structure.

9. A seedling tray as claimed in any one of claims 1 to 8, characterized in that the bent parts (12) are provided with clearance holes (3) in a row along the first direction, the clearance holes (3) being spaced from the pot holes (2) distributed in a row along the first direction.

10. A nursery site according to any one of claims 1-8, characterized in that at least two opposite edges of the tray body (1) are provided with flanges (4), and the flanges (4) are provided with a plurality of notches (41) uniformly.