Sunlight-reflective rubber or synthetic resin sheet for fruit trees

Abstract

The present invention provides a sun-reflective rubber or synthetic resin sheet for fruit trees that does not require fasteners, can be installed simply by placing a few sheets under the fruit tree, and can be easily removed. [Solution] This is a sun-reflective rubber or synthetic resin sheet for fruit trees, made by laminating aluminum foil, white film, silver paint coating, or white paint coating onto a rectangular sheet of either rubber, polyurethane, or polyvinyl chloride. It is compact and easy to handle, can be freely placed under fruit trees 9, allows for easy installation of support poles to hold the branches, is easy to collect after harvesting fruits 10 such as peaches, persimmons, and apples, and is easy to clean, maintain, and store. Conventionally, fruit tree mulch sheets are installed by fixing both ends of the width to the ground with metal fasteners and laying them between fruit trees, but it is difficult to lay them while avoiding support poles (branch support rods), and when removing them, since both ends of the width are fixed to the ground with metal fasteners, it is necessary to bend down and remove the fasteners one by one, which puts a strain on the back and is heavy work.

Description

Technical Field

[0001] The present invention relates to a sunlight reflecting rubber or synthetic resin sheet for fruit trees.

Background Art

[0002] Multi-sheets for fruit trees are generally white or silver, and are intended for promoting coloring by reflecting sunlight, increasing sugar content, suppressing weeds, etc. They are commercially available in rolls with a width of 1 to 2 meters and a length of 50 to 100 meters, and are installed by fixing both ends of the width to the ground with fasteners made of metal or the like. They are laid between fruit trees, but it is difficult to lay them while avoiding the supports (branch struts).

[0003] Also, when removing the multi-sheet for fruit trees, since both ends of the width are fixed to the ground with fasteners made of metal or the like, it is necessary to bend down and remove the fasteners one by one, which places a burden on the waist and is heavy labor.

[0004] Mulching is to cover the roots of plants with a layer of materials called mulch, such as bark chip organic matter, paper, or plastic sheets, to suppress the growth of weeds around the crop plants, retain soil moisture, prevent drying and heat preservation, and the compost mulch leads to soil fertility due to the activities of earthworms and other organisms (Non-Patent Document 1).

[0005] As a prior art, there has been invented a reflective sheet for fruit tree cultivation which is a sheet-like material in which an aluminum vapor-deposited film is laminated on one side of a base fabric, a slit portion is formed from the peripheral portion to the central portion, and a fastener that can be freely opened and closed is provided in the slit portion (Patent Document 1). It is difficult to manufacture the above reflective sheet, and it is also laborious to lay it at the roots of fruit trees.

[0006] There is an invention for growing fruit trees in which a reflective substance is placed on the ground at an appropriate distance from the base of the fruit tree to improve the coloration of the fruit tree, wherein the reflective substance is a white or colored spherical or granular glass, which provides the plant with the optimal amount of sunlight during the day and rapidly lowers the soil temperature after sunset, thereby increasing the difference in soil temperature near the plant between day and night and increasing the amount of starch stored in the food, and attaching the reflective substance to the branches or trunk of the fruit tree to improve the coloration of the fruit (Patent Document 2). Placing and removing spherical or other glass-based reflective materials requires considerable effort.

[0007] A reflector for fruit trees has been invented, comprising a reflector body made of foamed resin, a reflective portion provided on one side of the reflector body, a rib structure provided on the side of the reflector body opposite to the reflective portion, and a fixing pin insertion hole provided so as to penetrate the reflector body, wherein the reflective portion has a white curved surface and an outer circumference shape that is circular, hexagonal, or rectangular (Patent Document 3). Installation is time-consuming, requiring the use of fixing pins. [Prior art documents] [Patent Documents]

[0008] [Patent Document 1] Japanese Patent Publication No. H06-050432 [Patent Document 2] Patent No. 2573144 [Patent Document 3] Patent No. 7833192 [Non-patent literature]

[0009] [Non-Patent Document 1] Wikipedia, "Mulching" [Overview of the project] [Problems that the invention aims to solve]

[0010] As mentioned above, when installing fruit tree mulch sheets, both ends of the width are secured to the ground with metal fasteners or similar. They are laid between fruit trees, but it is difficult to lay them while avoiding the support poles (branch supports). When removing it, since both ends of the width are fixed to the ground with metal fasteners, it is necessary to bend down and remove the fasteners one by one, which puts a strain on the back and is hard work.

[0011] Prior art has been invented that is a reflective sheet for fruit tree cultivation, which is a sheet-like material in which an aluminum vapor-deposited film is laminated on one side of a base fabric, with a slit formed from the periphery to the center, and an openable and closable fastener provided in the slit. The reflective sheets mentioned above are difficult to manufacture, and laying them around the base of fruit trees is also challenging.

[0012] There is an invention for growing fruit trees in which a reflective substance is placed on the ground at an appropriate distance from the base of the fruit tree to improve the coloration of the fruit tree, wherein the reflective substance is a white or colored spherical or granular glass, which provides the plant with the optimal amount of sunlight during the day and rapidly lowers the soil temperature after sunset, thereby increasing the difference in soil temperature near the plant between day and night and increasing the amount of starch stored in the food, and there is an invention for growing fruit trees in which the reflective substance is attached to the branches or trunk of the fruit tree to improve the coloration of the fruit. Placing and removing spherical or other glass-based reflective materials requires considerable effort.

[0013] A fruit tree reflector has been invented, comprising a reflector body made of foamed resin, a reflective portion provided on one side of the reflector body, a rib structure provided on the side of the reflector body opposite to the reflective portion, and a fixing pin insertion hole provided so as to penetrate the reflector body, wherein the reflective portion has a white curved surface and an outer circumference shape that is circular, hexagonal, or rectangular. Installation is time-consuming, requiring the use of fixing pins.

[0014] This invention was made to solve the problems that have existed conventionally. That is, the commercially available multi-sheet for fruit trees is long and requires labor to lay because it will fly away in the wind if not fixed with a fastener. There is a need for a multi-sheet for fruit trees that can be easily installed around the fruit trees and will not be blown away by the wind.

Means for Solving the Problems

[0015] In order to solve the above problems and achieve the object, the following sunlight reflecting rubber or synthetic resin sheet for fruit trees was devised through intensive efforts.

[0016] A sunlight reflecting rubber or synthetic resin sheet for fruit trees, in which any one of an aluminum foil, a white film, a silver paint coating film, or a white paint coating film is laminated on a square sheet made of any one of rubber, polyurethane, or polyvinyl chloride. An aluminum vapor-deposited film may be used for the reflecting surface. Since the reflecting surface has irregularities and sunlight is diffusely reflected, it promotes the coloring of fruits, prevents color unevenness, and improves the sugar content. It is about 30 to 100 centimeters in both length and width and 3 to 15 millimeters in thickness, is compact and easy to handle, can be easily installed under and removed from fruit trees. It can be freely placed under fruit trees. The installation of the support columns for supporting the branches can be easily done. After harvesting fruits such as peaches, persimmons, and apples, it is easy to collect, easy to maintain such as cleaning, and easy to store. ]

[0017] A sunlight reflecting rubber or synthetic resin sheet for fruit trees, which has a groove pattern with an anti-slip function on the back surface. Due to the self-weight of the material and the groove pattern with an anti-slip function, the work of fixing the sheet is not required. The groove patterns include a clog-shaped lattice, a key lattice, a diagonal clog-shaped lattice, a diagonal wave pattern, etc.

[0018] A sunlight reflecting rubber or synthetic resin sheet for fruit trees, in which water-permeable holes are opened. Due to the water-permeable holes, water such as rainwater accumulating on the surface can drain. After laying, as grass grows from the holes over time, it becomes difficult for the sheet to shift due to wind or the like.

[0019] It can be used for fruit trees such as peaches, persimmons, and apples. Due to the diffused reflected light, fruits such as apples will be colored evenly. Also, the sugar content increases, and it helps to suppress weeds.

Advantages of the Invention

[0020] As described above, the sunlight-reflecting rubber or synthetic resin sheet for fruit trees is compact and easy to handle. It can be easily installed and removed under the fruit trees and can be freely placed under the fruit trees. The installation of the support columns for supporting the branches can be done easily. After harvesting the fruits such as peaches, persimmons, and apples, it is easy to collect, and the maintenance such as washing and storage is simple.

Brief Description of the Drawings

[0021] [Figure 1] It is a schematic perspective view of the light-reflecting surface of the sunlight-reflecting sheet for fruit trees. [Figure 2] It is a schematic cross-sectional view of the sunlight-reflecting sheet for fruit trees. [Figure 3] They are schematic plan views and bottom views of the water-permeable holes on the front and back surfaces of the sunlight-reflecting sheet for fruit trees. [Figure 4] It is a usage diagram showing grass growing in the water-permeable holes on the front surface of the sunlight-reflecting sheet for fruit trees. [Figure 5] They are diagrams of the clog-pattern lattice pattern, key lattice pattern, diagonal clog-pattern lattice pattern, and diagonal stripe pattern on the back surface of the sunlight-reflecting sheet for fruit trees. [Figure 6] It is a usage diagram showing the sunlight-reflecting sheet for fruit trees laid in an orchard.

Modes for Carrying Out the Invention

[0022] Examples of the present invention are shown below. The present invention is not limited to the following examples.

Examples

[0023] Figure 1 is a schematic perspective view of the light-reflecting surface (1) of the sunlight-reflecting sheet for fruit trees. Figure 2 is a schematic cross-sectional view of the sunlight-reflecting sheet for fruit trees. The light-reflecting surface (1) has irregularities such as a rectangular prism, a truncated square pyramid, or a square pyramid, and diffusely reflects sunlight. The base material (2) of the sheet is one of rubber, polyurethane resin, or polyvinyl chloride resin. Figure 6 shows that when diffusely reflected sunlight (11) (12) hits the fruit (10) that will become a fruit tree (9), the fruit's coloring is promoted and it becomes evenly colored. [Examples]

[0024] Figure 3 shows schematic plan and bottom views of the water-permeable pores (3) on the front and back surfaces of the sun-reflective sheet for fruit trees. Figure 4 shows a usage diagram of a fruit tree sun reflective sheet with grass growing in the permeable pores (3) on the surface. The permeable pores (3) allow rainwater and other liquids on the light-reflecting surface (1) to pass through without accumulating. As time passes, grass (4) grows from the holes (3), preventing the sun-reflective sheet from being blown away by the wind. [Examples]

[0025] Figure 5 shows the back surface patterns of the sun-reflective sheet for fruit trees: a clog-patterned grid (5), a keyhole grid (6), a diagonal clog-patterned grid (7), and a diagonal wave stripe pattern (8). By incorporating this groove pattern, the structure gains weight, making it less likely to shift from the ground and less likely to be blown away by the wind. [Industrial applicability]

[0026] As mentioned above, commercially available fruit tree mulch sheets are installed by fixing both ends of the width to the ground with metal fasteners and laying them between fruit trees, but it is difficult to lay them while avoiding the support poles (branch support rods). Also, when removing them, since both ends of the width are fixed to the ground with metal fasteners, it is necessary to bend down and remove the fasteners one by one, which puts a strain on the back and is hard work. This sun-reflective rubber or synthetic resin sheet for fruit trees is compact and easy to handle, can be easily installed and removed from under fruit trees, and can be placed freely under the trees. Support stakes for branches can be easily installed. After harvesting fruits such as peaches, persimmons, and apples, collection is easy, and maintenance such as washing and storage are simple. [Explanation of Symbols]

[0027] 1. Light-reflecting surface of a sun-reflective sheet for fruit trees 2. Substrate sheet for sun-reflective sheeting for fruit trees 3 Permeable holes 4 grass 5 Geta pattern lattice 6 Key grid 7. Diagonal geta pattern lattice 8. Diagonal wave stripe pattern 9 fruit trees 10 fruits 11 Sunlight 12 Diffuse reflected light

Claims

1. A sun-reflective rubber or synthetic resin sheet for fruit trees, characterized by laminating aluminum foil, a white film, a silver paint coating, or a white paint coating onto a rectangular sheet made of rubber, polyurethane, or polyvinyl chloride.

2. The sun-reflective rubber or synthetic resin sheet for fruit trees according to claim 1, characterized in that a groove pattern for anti-slip function is provided on the back surface.

3. A sun-reflective rubber or synthetic resin sheet for fruit trees according to claim 1 or 2, characterized by having permeable holes.

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