JP3241115U - weed control sheet - Google Patents

Abstract

An object of the present invention is to provide a weeding sheet that reduces the cost of farm work. A weed control sheet (10, 20) is formed with openings (11, 21) through which crops (C) can pass, and pesticides (12, 22) are contained in the vicinity of the openings (11, 21). By passing the crops C through the openings 11 and 21 of the antigrass sheets 10 and 20, weed growth around the crops C can be suppressed. [Selection drawing] Fig. 4

Description

Regarding the weed control sheet.

Conventionally, mulch sheets made of thin vinyl have been used to protect crops planted on the ridges of fields. The mulching sheet disclosed in the following patent document is provided with openings for planting seedlings of crops. After the crop is harvested, the mulch sheet is stripped from the ridges. The mulch sheet stripped from the ridges is not durable enough for reuse and is usually incinerated after only one use.

Registered Utility Model No. 3058434

By the way, if you cover the ridges with mulch sheets, the mulch sheets have a short service life. need to cover. Since the mulching sheet must be prepared for each harvest in this way, there is a problem that the cost tends to be high.

The present invention is a weed control sheet having an opening through which crops can pass, and the vicinity of the opening contains an agricultural chemical.
According to this configuration, it is possible to suppress the growth of weeds around the crops by allowing the crops to pass through the opening of the weed-proof sheet. Here, by using a weed control sheet that generally has a longer service life than a mulch sheet, it is possible to reduce the frequency of disposal of the sheet, so that it is possible to reduce the cost of agricultural work.
In addition, the agricultural chemicals contained in the vicinity of the openings of the weed control sheet can suppress adverse effects of pests and the like on crops.

In addition to the above configuration, the following embodiments are preferred.
- A weed control sheet that is formed in a belt shape and can be wound into a roll, wherein the openings are plural and are formed at predetermined intervals in the longitudinal direction.
In this way, when the ridges of the field are covered with the weed control sheet, crops can be planted through a plurality of openings arranged in the longitudinal direction. After harvesting, the weed control sheet can be rolled up and collected, and reused in the next crop planting. Unlike the mulch sheet, it does not need to be disposed of or incinerated each time, reducing the negative impact on the environment. can do.

- The predetermined interval is an interval suitable for cultivating a specific crop.
In this way, the farmer can use the weed control sheet for the crops (specific crops) to be cultivated, which makes it possible to improve the workability of farming.

- There is one opening, and a slit is formed between the edge of the weed control sheet and the opening so that the crops can pass through the opening from the edge.
In this way, even if it is not easy to lay the weed-proof sheet through the opening of the weed-proof sheet from above the crop, the crop can be passed through the opening from the edge of the weed-proof sheet through the slit. As a result, it becomes possible to lay the weed control sheet around the crops.

- A first weed control sheet in which a plurality of the first openings are formed, and a second weed control sheet in which the second openings are formed to cover the area inside the first openings. , the slit is formed in the second weed control sheet, and the agricultural chemical is contained in the vicinity of the second opening.
In this way, the second weed control sheet can suppress the growth of weeds from inside the first opening.

A sheet main body part formed with a plurality of openings and covering the ridges of a field, and an extension part extending laterally of the sheet main body part and capable of covering the ground between the ridges and adjacent ridges. , provided.
In this way, when the ridges are covered with the sheet main body of the weed-preventing sheet, the ground between adjacent ridges can be covered with the extending portions, so that the work of covering the field with the weed-preventing sheet can be made more efficient. be able to.

- The said pesticide contains red pepper.
By doing so, adverse effects on the environment and the human body can be suppressed as compared with the case of using chemical pesticides.

It is possible to reduce the cost of farm work.

1 is a plan view showing a weed control sheet for climbing crops according to Embodiment 1. FIG. Top view showing a weed control sheet for medium-sized crops Top view showing a weed control sheet for small crops A diagram showing a state in which a weed control sheet is laid in a field using the AA cross section in FIG. 1 and the BB cross section in FIG. Perspective view showing winding of the weed control sheet after harvesting the crops A plan view showing a round weed control sheet of Embodiment 2. The figure which shows the state which covered the opening of the 1st weed-control sheet laid in the field with the 2nd weed-control sheet.

Embodiment 1 will be described with reference to FIGS. 1 to 5. FIG.
FIG. 1 shows a weed control sheet 10 for climbing crops such as watermelons, pumpkins, melons and melons. FIG. 2 shows a weed control sheet 20 for medium-sized crops such as eggplant, tomato, okra, green pepper, broccoli, cucumber, green soybean, pea and Chinese cabbage. FIG. 3 shows a weed control sheet 30 for small crops such as onions, spinach and beets. FIG. 4 is a diagram showing a state in which the weed control sheets 10 and 20 are laid in the field F. As shown in FIG. FIG. 5 shows how the weed-proof sheet 10 is wound after the crop C is harvested.

As shown in FIGS. 1 to 3, each of the weed control sheets 10, 20, 30 is formed from a sheet material S extending in a band shape, and has a plurality of openings 11, 21, 21, 21, 21, 22 at predetermined intervals D1 to D3 in the longitudinal direction. 31 is formed therethrough.

As the material of the weed control sheets 10, 20, 30 (the material of the sheet material S), known materials can be used, such as polyester (PEs), polypropylene (PP), and polyethylene (PE). Moreover, it is good also as a nonwoven fabric and a textile fabric. The thickness of the weed control sheets 10, 20, 30 (sheet material S) is set to a constant thickness of, for example, 0.4 to 4 mm, and the weed control sheets 10, 20, 30 are flexible enough to be rolled into a roll. have. The thickness of the weed control sheet is not limited to this, and can be changed as appropriate.

In the sheet material S, a sheet main body portion S1 and an extending portion S2 continuing to the side of the sheet main body portion S1 are integrally formed (a virtual space is provided between the sheet main body portion S1 and the extending portion S2). indicated by boundary X1). Openings 11, 21, and 31 are formed in the sheet body portion S1, but no openings are formed in the extending portion S2. The sheet body S1 is laid on the ridges U1 and U2 of the field F, and the extension part S2 is laid in the walking area W between the adjacent ridges U1 and U2 in the field F.

The weed control sheets 10, 20, 30 are preferably black, white, or green, for example, but may be of other colors. If the weed-proof sheets 10, 20, 30 are white, the light reflected on the weed-proof sheets 10, 20, 30 hits the leaves of the crop C, thereby promoting the growth of the crop C.

The anti-grass sheets 10, 20, 30 have a longer service life than mulch sheets made of vinyl, thin polyethylene, or the like due to differences in material and thickness. The mulch sheet does not have water permeability and has heat retaining and moisture retaining properties, but the weed control sheets 10, 20 and 30 of the present embodiment have water permeability, heat retaining and moisture retaining properties. The weed control sheets 10, 20, and 30 are not limited to this, and may not have water permeability, heat retention, or moisture retention.

Although the openings 11, 21, and 31 are perfectly circular in this embodiment, they are not limited to this, and may be elliptical, oval, or polygonal. The width and length of the weed control sheets 10, 20, 30 and the size and number of the openings 11, 21, 31 can be arbitrarily determined.

In this embodiment, the weed control sheet 10 (FIG. 1) has a width of 1.5 m, a length of 25 m or 50 m, and a diameter of the opening 11 of 70 mm, for example. The plurality of openings 11 are arranged in a row in the middle portion of the weed control sheet 10 in the width direction.
The weed control sheets 20, 30 (FIGS. 2 and 3) are, for example, 1.5 m wide, 5 m, 10 m, or 25 m long, and the diameter of the openings 21, 31 is 50 mm. Two (plurality) of openings 21 are arranged in the width direction, and each of them is arranged in a row (in a plurality of rows). Four (plurality) of openings 31 are arranged in the width direction, and each of them is arranged in a row (in a plurality of rows).
With such dimensions, the weed control sheet 10 is suitable for cultivating specific climbing crops C such as watermelons, pumpkins, and melons, and the weed control sheet 20 is suitable for growing eggplants, tomatoes, okra, green peppers, and broccoli. The antigrass sheet 30 is smaller than the medium-sized specific crops C, and is suitable for cultivating specific crops C such as onions, spinach, and beets (see FIG. 4).

The vicinity of the openings 11, 21, 31 in the weed control sheets 10, 20, 30 (in this embodiment, the regions between the openings 11, 21, 31 and the outer edges of the agricultural chemicals 12, 22, 32 indicated by broken lines) are the agricultural chemicals 12 , 22 and 32, antibacterial and anti-insect treatments are applied. On the other hand, positions distant from the openings 11, 21, 31 do not contain agricultural chemicals. That is, the sheet material S (weed control sheet) has an agricultural chemical area containing the agricultural chemical 12 (22, 32) and a non-chemical agricultural chemical area not containing the agricultural chemical 12 (22, 32), and the opening 11 (21, 31). is defined as an agricultural chemical area, and a position at least a predetermined distance from the opening 11 (21, 31) is defined as a non-agricultural chemical area.
In this embodiment, the pesticides 12, 22, 32 produce an insect repellent effect against pests and contain at least red pepper. More preferably, the agricultural chemical can be added with, for example, Bacillus subtilis or an insect repellent. Examples of chili peppers that can be used include Carolina Reaper, Trinidad Scorpion Butch Taylor, Boot Jolokia, and Habanero.

The pesticides 12, 22, and 32 are not limited to those described above. It can be used as an agent (controlling weeds), a plant growth regulator (enhancing or suppressing the physiological functions of plants), and the like. The pesticides 12, 22, 32 are not limited to biological pesticides, and chemical pesticides may be used.

Weed control sheets 10, 20, 30 are impregnated with pesticides 12, 22, 32 by applying (adhering) or immersing chemicals in liquid, paste, water-soluble, powder, granular or other forms by known methods. It can be absorbed. The configuration is not limited to attaching the pesticides 12, 22 and 32 to the sheet material S after manufacturing the sheet material S, and the pesticides 12, 22 and 32 may be included in the sheet material S when the sheet material S is manufactured. good.

The range of pesticides 12,22,32 can be a predetermined dimension from the openings 11,21,31. A suitable size is set according to the type of the crop C. As shown in FIG. In the present embodiment, the weed-control sheet 10 is, for example, 3 to 5 cm from the opening 11, and the weed-control sheets 20, 30 are, for example, 2 to 4 cm from the openings 21, 31. However, the present invention is not limited to this, and may be used as appropriate. Dimensions can be set.

Next, a method for manufacturing the weed control sheets 10, 20, 30 will be described.
Openings 11, 21, and 31 are formed at predetermined intervals D1 to D3 by punching a belt-like sheet material S made of polyester or the like (FIGS. 1 to 3). Next, weed control sheets 10, 20, 30 are formed by applying pesticides 12, 22, 32 to the vicinity of each opening 11, 21, 31 (for example, an annular region including the opening edge).

Next, usage patterns of the weed control sheets 10 and 20 will be described. Since the weed-control sheet 30 can be used in the same manner as the weed-control sheets 10 and 20, the description of the usage pattern of the weed-control sheet 30 is omitted.

As shown in FIG. 4, a ridge U1 of a field F in which a plurality of ridges U1 and U2 are arranged is covered with a sheet main body portion S1 of the weed control sheet 10, and a walking area W is covered with an extension portion S2 of the weed control sheet 10. As shown in FIG. The ridges U2 of the field F are covered with the sheet main body part S1 of the weed control sheet 20, and the walking area W is covered with the extension part S2 of the weed control sheet 20. - 特許庁
Next, fixing pins P made of U-shaped metal are driven into the portions of the weed control sheet 10 and the weed control sheet 20 that cover the slopes of the ridges U1 and U2 at predetermined intervals, and the weed control sheets 10 and 20 are secured. Fixed to the ground.
As a result, the weed control sheet 10 and the weed control sheet 20 are continuous on the ground in the direction in which the ridges U1 and U2 are arranged, and the entire field F (the ridges U1 and U2 and the entire walking area W) is protected. It becomes a state covered with the grass sheets 10 and 20. - 特許庁

Watermelons, for example, are planted at the positions of the openings 11 as the specific crops C of the weed-proof sheet 10 , and eggplants, for example, are planted at the positions of the openings 21 as the specific crops C of the weed-proof sheet 20 . When it is time to harvest the crop C and the harvest of the crop C is finished, the fixing pins P for fixing the antigrass sheets 10 and 20 are pulled out. After the weed-proof sheets 10 and 20 are washed with water, as shown in FIG. The weed control sheets 10 and 20 wound into rolls are used in the same manner as described above when the next crop C is to be planted.

According to this embodiment, the following functions and effects are obtained.
Weed-proof sheets 10, 20, 30 having openings 11, 21, 31 through which crops C can pass.
According to this embodiment, weeds around the crop C can be suppressed by passing the crop C through the openings 11, 21, and 31 of the antigrass sheets 10, 20, and 30. FIG. Here, by using the weed control sheets 10, 20, and 30, which generally have a longer service life than the mulch sheet, the frequency of disposal of the sheets can be reduced, making it possible to reduce the cost of agricultural work. Become.
Moreover, the pesticides 12, 22, 32 contained in the vicinity of the openings 11, 21, 31 of the weed control sheets 10, 20, 30 can suppress adverse effects on the crops C by pests and the like.

Further, the weed control sheets 10, 20, 30 are formed in a strip shape and can be rolled into a roll, and the openings 11, 21, 31 are plural and are arranged at predetermined intervals D1 to D3 in the longitudinal direction. formed.
In this way, when the ridges U1, U2 of the field are covered with the weed control sheets 10, 20, 30, the crop C can be planted through the plurality of openings 11, 21, 31 arranged in the longitudinal direction. . If the weed control sheets 10, 20, and 30 are rolled up and collected after harvesting, and reused when the crop C is planted next time, there is no need to discard or incinerate them each time, thereby reducing adverse effects on the environment. can be suppressed.

Further, the predetermined intervals D1 to D3 are set to intervals suitable for cultivating the specific crop C. As shown in FIG.
In this way, the farmer can use the anti-grass sheets 10, 20, 30 for the crop C (specific crop) to be cultivated, which makes it possible to improve the workability of the farm. Become.

Further, a plurality of openings 11, 21, 31 are formed to cover the ridges U1 and U2 of the field, and a sheet body portion S1 extends laterally of the sheet body portion S1 to facilitate walking between the ridge U1 and the adjacent ridge U2. and an extension part S2 capable of covering the area W (ground).
In this way, when the ridges U1 and U2 are covered with the sheet body portion S1 of the weed control sheets 10, 20 and 30, the walking area W between the adjacent ridges U1 and U2 can be covered with the extending portion S2. Therefore, the work of covering the fields with the weed control sheets 10, 20, 30 can be made more efficient.

Pesticides 12, 22, and 32 also contain red pepper.
By doing so, adverse effects on the environment and the human body can be suppressed as compared with the case of using chemical pesticides.

Next, Embodiment 2 will be described with reference to FIGS. 6 and 7. FIG.
As shown in FIG. 6, the weed-control sheet 40 (an example of the "second weed-control sheet") is formed by punching a sheet material S into a round shape, and has an opening 41 and a slit 43 formed therein. ing.

The opening 41 is a circular through hole. The slit 43 is a linear cut between the circular outer periphery 40A of the weed control sheet 40 and the opening 41 . In addition, the slit 43 is not limited to a linear shape, and may have any shape such as a curved shape, a wave shape, a zigzag shape, or the like. The pesticide 42 is made of the same material as in the above embodiment, and is contained on the entire surface of the weed control sheet 40 . That is, the entire weed-proof sheet 40 (the entirety including the vicinity of the opening 41) is an agricultural chemical area containing the agricultural chemical 42. FIG. The pesticide 42 is contained on one side of the weed-proof sheet 40 , but is not limited to this, and may be contained on both sides of the weed-proof sheet 40 . Further, the pesticide 42 may permeate inside the sheet material S.

The weed control sheet 50 (an example of the “first weed control sheet”) is formed in a strip shape and can be wound into a roll. As shown in FIG. Penetration is formed. Although the weed control sheet 50 of the present embodiment does not contain the agricultural chemical 42 , the weed control sheet 50 may contain the agricultural chemical 42 in the vicinity of the first opening 51 .
The weed-proof sheet 40 is more preferably manufactured by using a portion obtained by punching the sheet material S into a round shape when forming the first openings 51 in the weed-proof sheet 50, since the manufacturing cost can be reduced. is.

A usage pattern of the weed control sheet 40 will be described.
A weed control sheet 50 is laid in a field F, and a crop C is planted from an opening 51. - 特許庁Next, the slit 43 of the weed control sheet 40 is opened and bent, and the stem of the crop C is passed from the outer periphery 40A through the slit 43 to the opening 41. - 特許庁As a result, the opening 51 of the weed-proof sheet 50 is covered with the weed-proof sheet 40 (FIG. 7).

According to the second embodiment, the following actions and effects are obtained.
The weed control sheet 40 has one opening 41 , and a slit 43 is provided between the outer periphery 40A (end edge) of the weed control sheet 40 and the opening 41 to allow the crops C to pass through the opening 41 from the outer periphery 40A. formed.
In this way, even if it is not easy to lay the weed-proof sheet through the opening of the weed-proof sheet from above the crop C, the crop C can be pushed through the slit 43 from the outer periphery 40A of the weed-proof sheet 40. The weed control sheet 40 can be laid around the crops C by passing it through the opening 41 through the opening 41 .

A first weed control sheet 50 having a plurality of first openings 51 formed thereon, and a second weed control sheet 40 having second openings 41 formed therein covering the area inside the first openings 51. , a slit 43 is formed in the second weed control sheet 40 and the pesticide 42 is contained in the vicinity of the second opening 41 .
In this way, the second weed control sheet 40 can suppress the growth of weeds from inside the first opening 51 .

<Other embodiments>
The technology described in this specification is not limited to the embodiments described in the above description and drawings, and for example, the following embodiments are also included in the technical scope of the technology described in this specification.
(1) An indication indicating that the sheet is a weed control sheet for a specific crop C may be added. For example, the weed control sheet itself or the packaging may be labeled for the specific crop C (for example, watermelon, pumpkin, etc.) so that the weed control sheet for the specific crop C can be easily recognized. Note that the shape and the like of the weed control sheet (shape, size, spacing, etc. of the openings) differ depending on the type of the specific crop C. Therefore, depending on these differences, it is possible to determine which weed control sheet for the specific crop C is used. You may make it recognize whether there exists.

(2) The openings 11, 21, 31, and 41 are circular through holes, but are not limited to this. For example, an incision through which the crop C can pass may be used as the opening.
(3) The pesticides 12, 22, 32, 42 are provided along the entire circumference of the openings 11, 21, 31, 41, but this is not the only option. For example, the pesticide may be contained in an arcuate area along the arc (at a predetermined angle from the center rather than the entire circumference) of the openings 11, 21, 31, 41. In addition, the pesticides 12, 22, 32, 42 are not limited to a range of a certain width (dimension from the opening), and for example, the range in which the pesticide is contained depending on the position of the opening edge (angle from the center of the opening) (angle from the opening) dimensions) may be different.

10, 20, 30: Weed control sheets 11, 21, 31: Openings 12, 22, 32, 42: Pesticide 40: Second weed control sheet 40A: Periphery (edge)
41: Second opening 43: Slit 50: First weed-proof sheet 51: First opening C: Crop (specific crop)
D1 to D3: Predetermined interval F: Field P: Fixing pin R: Rod S1: Seat body S2: Extension S: Sheet material U1, U2: Ridge W: Walking area

Claims (7)

A weed control sheet having openings through which crops can pass,
A weed control sheet containing an agricultural chemical is provided in the vicinity of the opening. A weed control sheet that is formed in a belt shape and can be rolled into a roll,
2. The weed control sheet according to claim 1, wherein a plurality of said openings are formed at predetermined intervals in the longitudinal direction. 3. A weed control sheet according to claim 2, wherein said predetermined interval is an interval suitable for cultivating a specific crop. said opening is one;
2. The weed-control sheet according to claim 1, wherein a slit is formed between the edge of the weed-control sheet and the opening to allow the crops to pass through the opening from the edge. a first weed control sheet in which a plurality of the first openings are formed;
a second weed control sheet covering the area inside the first opening and having the second opening formed thereon;
5. The weed-control sheet according to claim 4, wherein the slit is formed in the second weed-control sheet, and the agricultural chemical is contained in the vicinity of the second opening. a sheet main body portion formed with the plurality of openings and covering the ridges of the field;
4. The weed control sheet according to claim 2 or 3, further comprising an extending portion extending laterally of said sheet main body portion and capable of covering the ground between said ridge and an adjacent ridge. The weed control sheet according to any one of claims 1 to 5, wherein the agricultural chemical contains red pepper.

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