Fruit tree cultivation greenhouse

Abstract

We provide trellises for fruit tree cultivation that are highly resistant to wind. [Solution] A trellis for fruit tree cultivation, comprising multiple sets of opposing corner posts connected by wires, the wires aligned in a certain direction, reinforcing intermediate posts or general intermediate posts positioned between the sets of corner posts, with corner posts and reinforcing intermediate posts positioned on the outer edge when viewed from above, and general intermediate posts positioned inside them, each corner post comprising at least two posts, two of which form a V shape on the ground and are fixed so as not to fall due to the tension of the wires, each reinforcing intermediate post comprising at least four posts, four of which form pairs, each forming a V shape on the ground, with the upper end of one V-shaped pair of posts connected to the upper end of another V-shaped pair of posts, and each general intermediate post comprising at least two posts, which are connected to each other at their upper ends, a trellis for fruit tree cultivation.

Description

Technical Field

[0001] The present disclosure relates to a shelf for fruit tree cultivation.

Background Art

[0002] Conventionally, several shelves for fruit tree cultivation have been proposed (see, for example, Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] The shelf for fruit tree cultivation preferably has high durability against wind.

Means for Solving the Problems

[0005] The present disclosure is a shelf for fruit tree cultivation, including a plurality of pairs of opposing corner posts connected by wires, the wires being arranged in a certain direction, and a reinforcing middle post or a general middle post being disposed at a position sandwiched between the pair of corner posts, the reinforcing middle post and the general middle post being connected to the wires, when viewed from above, only the corner posts or the corner posts and the reinforcing middle post are disposed on the outer edge, and the general middle post is disposed inside thereof, the corner post includes at least two support columns, two of which form a V shape on the ground, and the two support columns are connected to a stay wire extending from an anchor fixed to the ground outside the corner post when viewed from above, and are fixed so as not to fall by the tension of the wire, The aforementioned reinforcing central column includes at least four support columns, of which four support columns are paired together, each forming a V shape on the ground, with the upper ends of one pair of V-shaped support columns connected to the upper ends of another pair of V-shaped support columns. The aforementioned general-purpose central column includes at least two support columns, which are connected to each other at their upper ends. shelf for fruit tree cultivation, That is the case.

[0006] Such fruit tree cultivation trellises will also be referred to as "the fruit tree cultivation trellises of this disclosure" below. [Effects of the Invention]

[0007] This disclosure provides a trellis for fruit tree cultivation that is highly resistant to wind. [Brief explanation of the drawing]

[0008] [Figure 1] Figure 1 is a schematic diagram of the fruit tree cultivation trellis 1 of this disclosure, viewed from an oblique angle above. [Figure 2] Figure 2(a) is an enlarged view of the corner column 10A in Figure 1, Figure 2(b) is a front view (schematic diagram) of the corner column 10A, and Figure 2(c) is a front view (schematic diagram) of the corner column, but shows a different configuration from Figure 2(b) in terms of the number of wires. [Figure 3] Figure 3(a) is a front view (schematic diagram) of the reinforcing central column 20A in Figure 1, and Figure 3(b) is a front view (schematic diagram) of the reinforcing central column 22A in Figure 1. [Figure 4] Figure 4 is a front view (schematic diagram) of the general-purpose central column 30C in Figure 1. [Modes for carrying out the invention]

[0009] A preferred embodiment of the fruit tree cultivation trellis of this disclosure will be explained with reference to the figures. The fruit tree cultivation trellis of this disclosure described below with reference to the figures is a preferred embodiment, and the fruit tree cultivation trellis of this disclosure is not limited thereto.

[0010] <Overall> Figure 1 is a schematic diagram of the fruit tree cultivation trellis 1 of this disclosure, as viewed from diagonally above, when installed on the ground. In Figure 1, the fruit tree cultivation trellis 1 of this disclosure is generally rectangular when viewed from directly above, but this shape is not particularly limited in this disclosure.

[0011] As shown in Figure 1, the fruit tree cultivation trellis 1 of this disclosure includes multiple pairs of opposing corner posts connected by wires. In the fruit tree cultivation trellis 1 of this disclosure, corner posts 10A and 12A form a pair of corner posts, which face each other and are connected by two wires a1 and a2. Similarly, corner posts 10B and 12B form a pair of corner posts, which face each other and are connected by two wires b1 and b2. Similarly, corner posts 10C-10L and corner posts 12C-12L form a pair of corner posts, which face each other and are connected by two wires. Note that in Figure 1, corner posts 10E-10L and corner posts 12E-12L form a pair of corner posts, and although they face each other, the wires connecting them are not shown in the diagram. Furthermore, in the fruit tree cultivation trellis 1 of this disclosure shown in Figure 1, there are two wires connecting one pair of corner posts, but the number of wires connecting one pair of corner posts in the fruit tree cultivation trellis of this disclosure is not limited.

[0012] As shown in Figure 1, in the fruit tree cultivation trellis 1 of this disclosure, the wires a1, a2, b1, b2, c1, c2, d1, d2, etc. are arranged so as to extend in a certain direction. It can also be said that the wires are arranged roughly parallel to each other.

[0013] In the fruit tree cultivation trellis 1 of this disclosure, a reinforcing middle post or a general-purpose middle post is positioned between a pair of corner posts. In Figure 1, reinforcing intermediate columns 20A, 22A, 24A, and 26A are positioned between a pair of corner columns, namely corner column 10A and corner column 12A. Additionally, reinforcing intermediate columns 20A, 22A, 24A, and 26A are positioned between the corner columns 10B and 12B, which form a pair of corner columns. In addition, general-purpose middle columns 30C, reinforcing middle columns 22A, general-purpose middle columns 34C, and reinforcing middle columns 26A are arranged at positions sandwiched between a pair of corner columns, namely corner columns 10C and 12C. In addition, general-purpose middle columns 30C, 32D, 34C, and 36D are arranged at positions sandwiched between a pair of corner columns, namely corner columns 10D and 12D. In addition, reinforcing middle columns or general-purpose middle columns are arranged at positions sandwiched between a pair of corner columns, namely corner columns 10E to 10L and corner columns 12E to 12L.

[0014] And the reinforcing middle columns and general-purpose middle columns are connected to wires. In the fruit tree cultivation shelf 1 of the present disclosure shown in FIG. 1, the reinforcing middle columns 20A, 22A, 24A, and 26A are connected to two wires a1 and a2 connecting the corner columns 10A and 12A and two wires b1 and b2 connecting the corner columns 10B and 12B. In addition, the general-purpose middle column 30C, the reinforcing middle column 22A, the general-purpose middle column 34C, and the reinforcing middle column 26A are connected to two wires c1 and c2 connecting the corner columns 10C and 12C. In addition, the general-purpose middle columns 30C, 32D, 34C, and 36D are connected to two wires d1 and d2 connecting the corner columns 10D and 12D. Other reinforcing middle columns and general-purpose middle columns are also connected to any of the wires connecting a pair of corner columns.

[0015] When the fruit tree cultivation shelf of the present disclosure is viewed from above, only corner columns or corner columns and reinforcing middle columns are arranged on the outer edge. In the case of the fruit tree cultivation shelf 1 of the present disclosure shown in FIG. 1, when viewed directly from above, it forms a rectangle. Among the four sides forming the outer edge of the rectangle, on one side, the corner columns 10A to 10L are arranged in a row, and on the side opposite to that side, the corner columns 12A to 12L are arranged in a row. And among the remaining two sides, on one side, the corner columns 10A and 12A, and the reinforcing middle columns 20A, 22A, 24A, and 26A are arranged in a row. And on the side opposite to that side, the corner columns 10L and 12L, and the reinforcing middle columns 20L, 22L, 24L, and 26L are arranged in a row. In other words, in the fruit tree cultivation trellis 1 of this disclosure shown in Figure 1, corner posts and reinforcing central posts are arranged on the outer edge when viewed from above.

[0016] Inside the outer edges of these columns are general-purpose central columns 30C, 30E, 30G, 30I, 32D, 32F, 32H, 34C, 34E, 34G, 34I, 36D, 36F, and 36H.

[0017] When viewing the fruit tree cultivation trellis of this disclosure from above, it is preferable that the reinforcing central posts and general central posts are arranged in rows perpendicular to the direction of the wires. When viewing the fruit tree cultivation trellis 1 of this disclosure shown in Figure 1 from above, the reinforcing central posts and general central posts are arranged in rows perpendicular to the direction in which the wires extend. In the fruit tree cultivation trellis 1 of this disclosure shown in Figure 1, as shown in Figure 1, the four rows formed by the reinforcing central posts and general central posts are designated as the first row, second row, third row, and fourth row.

[0018] Furthermore, it is preferable that the distance between one row and another adjacent row be 3 to 12 m. For example, the distance between the first row and the second row, the distance between the second row and the third row, and the distance between the third row and the fourth row are preferably 3 to 12 m, more preferably 4 to 8 m, and even more preferably 5 to 7 m.

[0019] Furthermore, it is preferable that general-purpose central posts included in one row are not connected to the same wire as general-purpose central posts included in another adjacent row. In the case of the fruit tree cultivation trellis 1 of this disclosure shown in Figure 1, for example, the general-purpose central post 30C included in the first row is connected to wire c2 and wire d1, but none of the general-purpose central posts included in the second row, which is another adjacent row, are connected to wire c2 or wire d1. By arranging the general-purpose central posts in a staggered pattern in this way, it is possible to reduce the amount of general-purpose central posts used while maintaining a high level of wind resistance.

[0020] <Corner pillar> The corner posts will be explained using Figure 2. Figure 2(a) is an enlarged view of corner column 10A in Figure 1, and Figure 2(b) is a front view (schematic diagram) of corner column 10A. Note that the front of the corner column 10A refers to the surface of the corner column 10A when viewed in the direction in which the wire extends. The same applies to the front of reinforcing intermediate columns and general-purpose intermediate columns. Figure 2(c) is a front view (schematic diagram) of a corner column, but it shows a different configuration from Figure 2(b) in terms of the number of wires.

[0021] The method for connecting the corner post and the wire is not particularly limited and may be any conventionally known method, such as using a hook band to connect them. The same applies to the method of connecting reinforcing columns and general-purpose columns to wires.

[0022] Figures 2(a) and 2(b) show an configuration with two wires (wires a1 and a2), but the number of wires is not limited. For example, as shown in Figure 2(c), eight wires (a1 to a8) may be connected. In other words, in Figure 2(c), four wires are connected to one support column. The four wires are spaced apart in the height direction. It is preferable that this spacing be constant.

[0023] In the fruit tree trellis of this disclosure, the corner post includes at least two posts, two of which form a V-shape on the ground, and these two posts are connected to guy wires extending from anchors fixed to the ground outside the corner post when viewed from above, and are secured so as not to fall over due to the tension of the wires.

[0024] The corner posts of the fruit tree cultivation trellis 1 of this disclosure have two support posts 101A and 102A, as shown in the corner post 10A in Figures 2(a) and (b), and they form a V shape above ground. In Figure 2(b), GL (Ground Level) indicates the position of the ground surface, and the portion below GL is located underground. In Figure 2(b), the point where the two support columns intersect is generally on the line indicating GL, but this is not limited to this. In this disclosure, the state in which the two support columns 101A and 102A form a V shape above ground means that the two support columns intersect and one end is buried underground. Even if the two support columns intersect and their intersection point is underground, the portion of the two support columns above ground generally forms a V shape. On the other hand, even if the intersection point is above ground, there is a portion of the two support columns above ground that forms a V shape. In either case, it is considered to form a V shape. In addition, in the fruit tree cultivation trellis of this disclosure, the reinforcing central column also forms a V shape, but the state of forming a V shape is defined in the same way as above.

[0025] As shown in Figure 2(a), the two support posts 101A and 102A that make up the corner post 10A are connected to bracing wires 43 extending from an anchor 40 fixed to the ground on the outside of the corner post 10A (the side without wires) when viewing the fruit tree cultivation trellis 1 of this disclosure from above. As shown in Figure 2(a), the two support posts 101A and 102A are each connected to the anchor 40 by the bracing wires 43 and are pulled outwards. This fixes the support posts 101A and 102A so that they do not fall over due to the tension of the wires a1 and a2.

[0026] As shown in Figure 2, at the corner post, the two support columns 101A and 102A form a V shape on the ground, and the angle between these support columns (the angle indicated by θ1 in Figure 2(b)) is preferably 10 to 70 degrees, and more preferably 15 to 25 degrees.

[0027] As shown in Figures 2(a), (b), and (c), it is preferable that the two V-shaped support columns 101A and 102A included in the corner column are connected by a reinforcing member 41 so as to maintain the V-shape.

[0028] The reinforcing material is a columnar member, and its material, diameter, etc., may be the same as that of the support column. The same applies to the reinforcing materials that may be used in the reinforcing central columns described later.

[0029] <Reinforcement center pillar> The reinforcing central column will be explained using Figure 3. Figure 3(a) is a front view (schematic diagram) of the reinforcing central column 20A in Figure 1, and Figure 3(b) is a front view (schematic diagram) of the reinforcing central column 22A in Figure 1. The reinforcing central column 22A in Figure 3(b) is the reinforcing central column 20A in Figure 3(a), further equipped with a support column 225A and an upper connecting member 57. This will be explained in detail later.

[0030] A reinforcing central column includes at least four support columns. The reinforcing central column 20A shown in Figure 3(a) includes four support columns 201A, 202A, 203A, and 204A. In the reinforcing central column, the four support columns are arranged in pairs, each forming a V-shape above ground. In the four support columns 201A, 202A, 203A, and 204A included in the reinforcing central column 20A shown in Figure 3(a), support columns 201A and 202A form a pair, which intersect and form a V-shape above ground. Similarly, support columns 203A and 204A form a pair, which intersect and form a V-shape above ground. This V-shape configuration means that, as with the corner columns mentioned earlier, two support columns intersect, with one end buried in the ground.

[0031] As shown in Figure 3(a), it is preferable that the ground surface height of the support columns 201A, 202A, 203A, and 204A is approximately the same when one end is buried in the ground.

[0032] Furthermore, the upper ends of one pair of V-shaped support columns 201A and 202A are connected to the upper ends of another pair of V-shaped support columns 203A and 204A. Specifically, in the configuration shown in Figure 3, the upper end of support column 201A and the upper end of support column 204A are connected by an upper connecting member 51. Alternatively, the upper end of support column 201A and the upper end of support column 204A may be directly connected without using the upper connecting member 51.

[0033] The upper connecting member is a columnar member, and its material, diameter, etc., may be the same as that of the support column. The length of the upper connector is not limited, but is preferably 0.5 to 3 m, and more preferably 2.0 to 2.5 m. The same applies to the upper connecting material that may be used in the general-purpose central column described later.

[0034] As shown in Figure 3, the two support columns 201A and 202A that constitute part of the reinforcing central column 20A form a V shape on the ground, and the angle formed by these support columns (the angle indicated by θ2 in Figure 3(a)) is preferably 10 to 70 degrees, and more preferably 15 to 25 degrees. Similarly, the two support columns 203A and 204A that constitute part of the reinforcing central column 20A form a V shape on the ground, and the angle formed by these support columns (the angle indicated by θ3 in Figure 3(a)) is preferably 10 to 70 degrees, and more preferably 15 to 25 degrees.

[0035] As shown in Figure 3(a), it is preferable that the two V-shaped support columns 201A and 202A included in the reinforcing central column 20A are connected by a reinforcing member 53 so as to maintain their V-shape. Similarly, it is preferable that the two V-shaped support columns 203A and 204A included in the reinforcing central column 20A are connected by a reinforcing member 55 so as to maintain their V-shape.

[0036] The reinforcing central column 22A shown in Figure 3(b) is a configuration in which the reinforcing central column 20A shown in Figure 3(a) is further provided with a support column 225A and an upper connecting member 57. The support columns 221A, 222A, 223A, and 224A of the reinforcing central column 22A shown in Figure 3(b) may be the same as the support columns 201A, 202A, 203A, and 204A of the reinforcing central column 20A shown in Figure 3(a). The support column 225A shown in Figure 3(b) may be the same as the support columns 221A, 222A, 223A, and 224A, and the upper connector 57 may be the same as the upper connector 51. The angle that support column 225A makes with respect to the vertical may be the same as that of support column 224A.

[0037] The upper end of support column 223A and the upper end of support column 225A are connected by an upper connecting member 57.

[0038] Figures 3(a) and 3(b) show configurations where one wire is connected to one support column, but the number of wires is not limited. For example, as shown in the corner column in Figure 2(c), four wires may be connected to each support column.

[0039] <General use middle pillar> A general-purpose central column will be explained using Figure 4. Figure 4 is a front view (schematic diagram) of the general-purpose central column 30C in Figure 1.

[0040] A standard central column includes at least two support columns. The standard central column 30C shown in Figure 4 includes two support columns 301C and 302C.

[0041] As shown in Figure 4, when one end is buried in the ground, it is preferable that the height of the support columns 301C and 302C above ground is approximately the same.

[0042] These support columns are connected at their upper ends. That is, the upper end of support column 301C and the upper end of support column 302C are connected. Specifically, in the configuration shown in Figure 4, the upper end of support column 301C and the upper end of support column 302C are connected by an upper connecting member 61. Alternatively, the upper end of support column 301C and the upper end of support column 302C may be directly connected without using the upper connecting member 61. The upper connecting member 61 used here may be the same as the upper connecting members 51 and 57 that may be included in the reinforcing central column.

[0043] As shown in Figure 4, the two support columns 301C and 302C that constitute at least a part of the general-purpose central column 30C may extend vertically above ground, or they may extend at a certain angle vertically. That is, the support columns included in the general-purpose central column teeth Inclined with respect to the vertical attitude It is preferable to do so. In Figure 4, the angle indicated by θ4 (the angle of the support column relative to the vertical) is preferably between 2 and 35 degrees, and more preferably between 5 and 15 degrees.

[0044] Figure 4 shows a configuration where one wire is connected to one support column, but the number of wires is not limited. For example, as shown in the corner column in Figure 2(c), four wires may be connected to each support column.

[0045] The support posts that make up the corner posts, reinforcing intermediate posts, and general intermediate posts, as well as the rods that make up the reinforcing materials and upper connecting materials, are not particularly limited and may be made of wood or concrete, but are preferably made of metal. They are also preferably made of pipes. The diameter of the support or rod is not limited, but if the support or rod is cylindrical, its diameter may be approximately 30 to 150 mm.

[0046] The corner posts, reinforcing posts, and general-purpose posts have their ends buried in the ground, but their height above ground may be 2 to 7 meters or 3 to 5 meters.

[0047] The depth to which the portion of the support column buried in the ground is embedded is not particularly limited, but may be 0.5 to 2 m or 0.7 to 1.2 m.

[0048] The fruit tree cultivation trellis described above has high wind resistance. A preferred embodiment of the fruit tree cultivation trellis described herein can withstand winds of approximately 20 m / s.

[0049] The fruit tree trellis of this disclosure can be preferably used for cultivating apples, pears, plums, persimmons, apricots, peaches, and the like.

[0050] When cultivating apples using the fruit tree trellis of this disclosure, the corner posts, reinforcing posts, and general posts of the fruit tree trellis of this disclosure can be used to plant apple trees diagonally or to train them to grow diagonally upward. In this case, the yield of apples per unit area is expected to be about twice that of conventional methods.

[0051] In the fruit tree cultivation trellis of the present disclosure, when viewed from above, the reinforcing central posts and the general central posts are arranged in rows perpendicular to the direction of the wire, and in a preferred configuration where the distance between one row and another adjacent row is 3 to 12 m, it is preferable to plant apple trees along that row.

[0052] <Installation method> This disclosure describes a method for installing the fruit tree cultivation device on the ground. The fruit tree cultivation method of this disclosure includes a corner post installation process, a general-purpose central post installation process, an anchor installation process, and a wire installation process. The corner post installation process, the general-purpose intermediate post installation process, and the anchor installation process can be performed in any order, but it is preferable that the corner post installation process be performed first.

[0053] [Corner pillar installation process] This section explains the corner post installation process. The corner post installation process involves installing the corner posts. First, a hole is dug at a predetermined location on the ground surface. The depth of this hole is preferably 0.5 to 2 m, and more preferably 0.7 to 1.2 m. It is preferable to dig the hole using conventionally known heavy machinery.

[0054] Next, two support posts are placed in the hole. Here, the two posts are positioned so that they form a V shape on the ground. It is also preferable that the point where the two posts intersect is approximately at ground level (GL). Furthermore, it is preferable to connect the two support columns with reinforcing material so that the V-shape is maintained. It is preferable that the angle between the two V-shaped support columns is between 10 and 30 degrees.

[0055] Next, return the soil to the hole and secure the support post.

[0056] As described above, two support posts that form part of the corner post can be installed. When installing reinforcing central columns, the four support columns are installed in pairs, each forming a V-shape on the ground, as described above. Then, the upper ends of one pair of V-shaped support columns are connected to the upper ends of the other pair of V-shaped support columns. Upper connecting members may be used for the connection. Alternatively, this connection may be made in advance before installing the support columns on the ground.

[0057] [Middle pillar installation] The process of installing central columns will be explained. In the central column installation process, reinforcing central columns and general central columns are installed. First, holes are formed in the ground surface at predetermined locations for installing the support columns. It is preferable to make the holes using, for example, a conventionally known drilling machine (such as an auger drill). Furthermore, when installing the support column at an angle to the vertical, it is preferable to excavate a hole at a predetermined angle using an auger drill or the like. This angle to the vertical is preferably 2 to 35 degrees, and more preferably 5 to 15 degrees.

[0058] The depth of the hole is preferably 0.5 to 2 m, and more preferably 0.7 to 1.2 m.

[0059] Next, place the two support posts in the holes, and then return soil to the holes to secure the posts.

[0060] As described above, four or two support columns that constitute a reinforcing central column or a general central column can be installed. Then, the upper ends of the two support posts are connected. An upper connecting member may be used for this connection. Alternatively, this connection may be made in advance before installing the support posts on the ground.

[0061] [Anchor installation process] The anchor installation process will now be explained. In the anchor installation process, anchors that form part of the corner posts are installed. The anchor is fixed to the ground outside the corner post when viewed from above in the fruit tree cultivation system of this disclosure. The type of anchor and the installation method are not particularly limited; for example, conventionally known anchors can be used and installed by conventionally known methods.

[0062] After installing the anchor, the upper parts of the two support columns that form part of the corner column are connected to the anchor by bracing wires. However, it is preferable to install the bracing wires at the same time as the wire installation process described later. The type and method of installation of the retaining wires are not particularly limited; for example, conventionally known retaining wires can be used and installed in conventionally known methods.

[0063] [Wire installation process] The wire installation process will now be explained. The wire is installed to connect one pair of corner posts. Then, the reinforcing intermediate posts and general intermediate posts located between the pair of corner posts are also connected to the wire. The type of wire and installation method are not particularly limited; for example, conventionally known wires can be used and installed by conventionally known methods.

[0064] The fruit tree cultivation trellis described herein includes the following (1) to (10): (1) A trellis for growing fruit trees, It includes multiple pairs of opposing corner posts connected by wires, the wires are aligned in a certain direction, and a reinforcing intermediate post or a general intermediate post is positioned between the pairs of corner posts, and the reinforcing intermediate post and the general intermediate post are connected by the wires. When viewed from above, the outer edge may consist only of the corner posts, or the corner posts and the reinforcing intermediate posts, with the general-purpose intermediate posts positioned inside them. The corner post includes at least two support posts, two of which form a V-shape on the ground, and these two support posts are connected to guy wires extending from anchors fixed to the ground outside the corner post when viewed from above, and are secured so as not to fall due to the tension of the wires. The aforementioned reinforcing central column includes at least four support columns, of which four support columns are paired together, each forming a V shape on the ground, with the upper ends of one pair of V-shaped support columns connected to the upper ends of another pair of V-shaped support columns. The aforementioned general-purpose central column includes at least two support columns, which are connected to each other at their upper ends. Shelf for growing fruit trees. (2) The fruit tree cultivation trellis according to (1) above, wherein, when viewed from above, the reinforcing central columns and the general central columns are arranged in rows perpendicular to the direction of the wire, and the distance between one row and another adjacent row is 3 to 12 m. (3) The fruit tree cultivation trellis described in (2) above, wherein the general-purpose central posts included in one row and the general-purpose central posts included in another adjacent row are not connected by the same wire. (4) A fruit tree cultivation trellis according to any of (1) to (3) above, wherein the upper end of one pair of V-shaped support columns in the reinforcing central column is connected to the upper end of another pair of V-shaped support columns by an upper connecting member. (5) A fruit tree cultivation trellis according to any of (1) to (4) above, wherein the general-purpose central posts are connected to each other at their upper ends by an upper connecting member. (6) A trellis for cultivating fruit trees as described in any of (1) to (5) above, wherein the two support posts in the corner post form a V shape on the ground, and the angle between these support posts is 10 to 70 degrees. (7) A fruit tree cultivation trellis according to any of (1) to (6) above, wherein the two support columns in the reinforcing central column form a V shape on the ground, and the angle between these support columns is 10 to 70 degrees. (8) A fruit tree cultivation trellis according to any of (1) to (7) above, wherein the general-purpose central column is inclined at an angle of 2 to 35 degrees with respect to the vertical direction of the support column. (9) The fruit tree cultivation trellis according to any of (1) to (8) above, wherein the general-purpose central column includes at least two support posts, and these support posts are connected to each other at their upper ends. (10) A fruit tree cultivation trellis according to any of (1) to (9) above, wherein the two V-shaped support posts including the corner post or the reinforcing central post are connected by a reinforcing material so as to maintain the V-shape. [Explanation of symbols]

[0065] 10A~10L, 12A~12L corner pillar 101A, 102A strut 20A, 22A, 24A, 26A, 20L, 22L, 24L, 26L Reinforcement center pillar 201A, 202A, 203A, 204A, 205A Posts 30C, 30E, 30G, 30I, 32D, 32F, 32H, 34C, 34E, 34G, 34I, 36D, 36F, 36H General use center column 301C, 302C 40 Anchors 41, 53, 55 Reinforcement material 43 Retainer Line 51, 57, 61 Upper binding material a1, a2, a3, a4, a5, a6, a7, a8, b1, b2, c1, c2, d1, d2 wire

Claims

1. A trellis for growing fruit trees, It includes multiple pairs of opposing corner posts connected by wires, the wires are aligned in a certain direction, and a reinforcing intermediate post or a general intermediate post is positioned between the pairs of corner posts, and the reinforcing intermediate post and the general intermediate post are connected by the wires. When viewed from above, the outer edge may consist only of the corner posts, or the corner posts and the reinforcing intermediate posts, with the general-purpose intermediate posts positioned inside them. The corner post includes at least two support posts, two of which form a V-shape on the ground, and these two support posts are connected to guy wires extending from anchors fixed to the ground outside the corner post when viewed from above, and are secured so as not to fall due to the tension of the wires. The aforementioned reinforcing central column includes at least four support columns, of which four support columns are paired together, each forming a V shape on the ground, with the upper ends of one pair of V-shaped support columns connected to the upper ends of another pair of V-shaped support columns. The aforementioned general-purpose central column includes at least two support columns, which are connected to each other at their upper ends. Shelf for growing fruit trees.

2. The fruit tree cultivation trellis according to claim 1, wherein, when viewed from above, the reinforcing central columns and the general central columns are arranged in rows perpendicular to the direction of the wire, and the distance between one row and another adjacent row is 3 to 12 m.

3. The fruit tree cultivation trellis according to claim 2, wherein the general-purpose central post included in one row and the general-purpose central post included in another adjacent row are not connected by the same wire.

4. The fruit tree cultivation trellis according to claim 1 or 2, wherein in the reinforcing central column, the upper ends of one pair of V-shaped support columns are connected to the upper ends of another pair of V-shaped support columns by an upper connecting member.

5. The fruit tree cultivation trellis according to claim 1 or 2, wherein in the general-purpose central column, the columns are connected to each other at their upper ends by an upper connecting member.

6. The trellis for cultivating fruit trees according to claim 1 or 2, wherein in the corner post, the two support posts form a V shape on the ground, and the angle between these support posts is 10 to 70 degrees.

7. The fruit tree cultivation trellis according to claim 1 or 2, wherein the angle formed by the V-shaped pair of support columns in the reinforcing central column is 10 to 70 degrees.

8. The trellis for cultivating fruit trees according to claim 1 or 2, wherein the support column, which is included in the general-purpose central column, is inclined at an angle of 2 to 35 degrees with respect to the vertical.

9. The fruit tree cultivation trellis according to claim 1 or 2, wherein the two V-shaped support posts, including the corner post or the reinforcing central post, are connected by a reinforcing material so as to maintain the V-shape.

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