WO2022014069A1

WO2022014069A1 - Rice seed direct sowing tool

Info

Publication number: WO2022014069A1
Application number: PCT/JP2020/048061
Authority: WO
Inventors: 和夫岩本
Original assignee: 和夫岩本
Priority date: 2020-07-15
Filing date: 2020-12-16
Publication date: 2022-01-20

Abstract

The purpose of the present invention is to provide a rice seed direct sowing tool which can be easily produced due to the simple configuration thereof, and can be produced at a low cost. The present invention comprises a first and second seed supporting and dropping members 16, 17 respectively having a first and second seed dropping openings 161, 171. When the first seed supporting and dropping member 16 is moved and the first seed dropping opening 161 is placed directly under a seed accommodation container 12, at least one rice seed 19 is dropped through the first seed dropping opening 161 and accommodated in a seed accommodation pipe 15. When the second seed supporting and dropping member 17 is moved and the second seed dropping opening 171 is placed directly under the seed accommodation pipe 15, said at least one rice seed 19 is dropped through a plurality of the second seed dropping openings 171.

Description

Seed paddy direct sowing equipment

The present invention relates to a seed rice direct sowing device for sowing a plurality of seed rice.

As a conventional seed paddy direct seeding apparatus, the one described in Japanese Patent No. 4793792 is known. The conventional direct seeding device sows a plurality of seeds in a seed storage container when the carrier moves over the paddy field by a predetermined distance.
The conventional seed rice direct sowing device has the carrier and sows a plurality of seeds in the seed storage container when the carrier moves over the paddy field by a predetermined distance, so that the configuration is complicated and easily manufactured. It cannot be manufactured at a low price.

Japanese Patent No. 4793792

The problem is that it cannot be easily manufactured and cannot be manufactured at a low price because the configuration is complicated.

The present invention includes a container support arranged at a predetermined position, a seed storage container supported by the container support and containing a plurality of seeds, and a holding member fixed to the container support and extending downward. And the tube support held by the holding member and arranged under the container support, and the tube support supported by the tube support so as to be located under the seed container to accommodate at least one seed paddy. The seed storage pipe, the first seed support drop member movably arranged between the seed storage container and the seed storage pipe, and the first seed storage pipe movably arranged under the seed storage pipe. The second seed-supporting drop member, the first seed-supporting drop member fixed to the pipe support, and a guide member for movably guiding the second seed-supporting drop member. The seed support drop member of 1 has a first seed drop opening, the second seed support drop member has a second seed drop opening, and the first seed support drop member is moved. When the first seed drop opening is arranged directly under the first seed storage container, the at least one seed paddy of the first seed storage container passes through the plurality of first seed drop openings. When the second seed support drop member is moved and the second seed drop opening is arranged directly under the seed storage pipe, the seed storage pipe is stored in the seed storage pipe. At least one of the seeds is dropped through the second seed drop opening.

The present invention is easy to manufacture because the configuration of the present invention is simple, and it is possible to provide a seed paddy direct sowing device that can be manufactured at a low price.

FIG. 1 is a partially cutaway vertical cross-sectional view showing a first state of the seed paddy direct sowing device according to the first embodiment of the present invention.
FIG. 2 is a partially cutaway vertical cross-sectional view showing a second state of the seed paddy direct sowing device according to the first embodiment of the present invention.
FIG. 3 is a schematic perspective view of a partial notch of the seed paddy direct sowing device according to the second embodiment of the present invention.
FIG. 4 is a partially cutaway vertical cross-sectional view showing a first state of the seed paddy direct sowing device according to the second embodiment of the present invention.
FIG. 5 is a partially cutaway vertical cross-sectional view showing a second state of the seed paddy direct sowing device according to the second embodiment of the present invention.
FIG. 6 is a block diagram showing a seed paddy direct sowing apparatus according to Example 8 of the present invention.
FIG. 7 is a partially cutaway plan view showing a string body used in the seed paddy direct sowing method of the present invention.
FIG. 8 is a partially cutaway plan view showing a plurality of strings and a plurality of connecting strings used in the seed paddy direct sowing method of the present invention.

The present invention comprises first and second seed-supporting drop members having first and second seed-supporting drop openings, and the first seed-supporting drop member is moved to the first seed-supporting drop opening. At least one seed paddy is dropped through the first seed drop opening and stored in the seed storage pipe when the seed is placed directly under the seed storage container, and the second seed support drop member moves. Then, when the second seed drop opening is arranged directly under the seed storage pipe, the at least one seed paddy is dropped through the plurality of second seed drop openings.

Next, the seed paddy direct seeding device of Example 1 of the present invention will be described with reference to the drawings. The seed rice direct sowing device of the first embodiment includes a container support 11, a seed storage container 12, a plurality of holding members 13, a pipe support 14, a seed storage pipe 15, a first seed support drop member 16, and a second seed support drop. It includes a member 17 and a plurality of guide members 18. The container support 11 is arranged at a predetermined position. The seed storage container 12 is supported by the opening 111 of the container support 11 and stores a plurality of seed rice 19. The plurality of holding members 13 are fixed to the container support 11 and extend downward. The pipe support 14 is held by the plurality of holding members 13 so as to be located below the container support 11. The seed accommodating pipe 15 is supported by the opening 141 of the tube support 14, and accommodates the two seed paddy 19.
The first seed support drop member 16 is movably arranged between the seed storage container 12 and the seed storage pipe 15. The second seed support drop member 17 is movably arranged under the seed storage pipe 15. The plurality of guide members 18 are fixed to the pipe support 14 and movably guide the first seed support drop member 16 and the second seed support drop member 17. The first seed support drop member 16 has a first seed drop opening 161. The second seed support drop member 17 has a second seed drop opening 171.
As shown in FIG. 1, when the first seed support drop member 16 is moved and the first seed drop opening 161 is arranged directly under the seed storage container 12, the 2 of the seed storage container 12 The seeds 19 of the grains are simultaneously dropped through the first seed drop opening 161 and simultaneously contained in the seed storage pipe 15.
Next, as shown in FIG. 2, when the second seed support drop member 17 is moved and the second seed drop opening 171 is arranged directly under the seed storage pipe 15, the seed storage pipe 15 The two seeds 19 of the above are simultaneously dropped through the second seed drop opening 171.
The instrument gripping member 20 is fixed to the outside of the seed storage container 12. Each of the plurality of first and second gripping

members

21 and 22 is provided at both ends of each of the first seed-supporting drop member 16 and the second seed-supporting drop member 17. When each of the plurality of first and second gripping

members

21 and 22 is manually moved in a predetermined direction by a predetermined distance, the first seed support drop member 16 and the second seed support drop member 17 Each is moved in the predetermined direction by the predetermined distance.
As shown in FIG. 1, when the first seed support drop member 16 is moved and the first seed drop opening 161 is arranged directly under the seed storage container 12, the 2 of the seed storage container 12 The seeds 19 of the grains are simultaneously dropped through the first seed drop opening 161 and simultaneously contained in the seed storage pipe 15.
Next, when the first seed support drop member 16 is moved by the predetermined distance in the direction indicated by the arrow A in FIG. 1, the first seed drop opening 161 is separated from directly below the seed storage container 12. .. At this time, the plurality of seeds 19 of the seed storage container 12 are supported by the first seed support drop member 16.
Next, when the second seed support drop member 17 is moved by the predetermined distance in the direction indicated by the arrow A in FIG. 2, the second seed drop opening 171 is directly below the seed storage pipe 15. Placed in. As a result, the two seeds 19 of the seed storage pipe 15 are simultaneously dropped through the second seed drop opening 171.
Next, the second seed support drop member 17 is moved by the predetermined distance in the direction opposite to the arrow A direction and returned to the original position. Next, the first seed support drop member 16 is moved by the predetermined distance in the direction opposite to the direction indicated by the arrow A and returned to the original position. The above operation of the seed paddy direct seeding device is repeated.
The seed container 12 may be supported by a support tool outside the container support 11 instead of the opening 111 of the container support 11. Further, the seed accommodating pipe 15 may be supported by a support tool on the outside of the pipe support 14 instead of the opening 141 of the pipe support 14.

Next, the seed paddy direct sowing device of Example 2 will be described with reference to the drawings.
As shown in FIGS. 3 to 5, the seed paddy direct seeding device of Example 2 includes two poles 31, the container support 11, the plurality of seed storage containers 12, the tube support 14, and the plurality of seed storage tubes. 15, the first seed support drop member 16, the second seed support drop member 17, and the plurality of guide members 18 are provided.
The two poles 31 are arranged so as to be separated by a first predetermined interval. The two poles 31 have a mounting hole portion 311. Both ends of the container support 11 are inserted into the mounting holes 311 of the two poles 31, and the container support 11 is arranged at a first predetermined position. The container support 11 is detachably attached to the two poles 31 by a plurality of fasteners 32. Each of the plurality of seed storage containers 12 is supported by each of the plurality of openings 111 of the container support 11 at a distance of a second predetermined interval.
The tube support 14 is arranged below the container support 11. Both ends of the pipe support 14 are inserted into the mounting holes 311 of the two poles 31, and the pipe support 14 is arranged at a second predetermined position. The pipe support 14 is detachably attached to the two poles 31 by the plurality of fasteners 32. Each of the plurality of seed storage tubes 15 is supported by each of the plurality of openings 141 of the tube support 14 at intervals of the second predetermined interval.
The first seed support drop member 16 is movably arranged between the plurality of seed storage containers 12 and the plurality of seed storage pipes 15. The first seed support drop member 16 has the plurality of first seed drop openings 161 separated by the second predetermined interval. The second seed support drop member 17 is movably arranged under the plurality of seed storage pipes 15. The second seed support drop member 17 has the plurality of second seed drop openings 171 that are separated by the second predetermined interval.
The plurality of guide members 18 are fixed to the pipe support 14 and movably guide the first seed support drop member 16 and the second seed support drop member 17.
Each of the plurality of first and second

gripping members

21 and 22 is provided at both ends of each of the first seed-supporting drop member 16 and the second seed-supporting drop member 17. When each of the plurality of first and second

gripping members

21 and 22 is moved by a finger in the predetermined direction by the predetermined distance, the first seed support drop member 16 and the second seed support drop member 16 are used. Each of the 17 is moved in the predetermined direction by the predetermined distance.
As shown in FIG. 4, when each of the plurality of first seed drop openings 161 of the first seed support drop member 16 is arranged directly under each of the plurality of seed storage containers 12, the plurality of the seed support drop members 16. The two seeds 19 of each of the seed storage containers 12 are dropped at the same time and are simultaneously stored in each of the plurality of seed storage pipes 15.
Next, when the first seed support drop member 16 is moved by the predetermined distance in the direction indicated by the arrow A in FIG. 4, each of the plurality of first seed drop openings 161 is the plurality of seeds. Separated from directly below each of the containment vessels 12. At this time, the plurality of seeds 19 housed in each of the plurality of seed storage containers 12 are supported by the first seed support drop member 16.
Next, when the second seed support drop member 17 is moved by the predetermined distance in the direction indicated by the arrow A in FIG. 5, each of the plurality of second seed drop openings 171 is said to be plural. It is arranged directly under each of the seed storage pipes 15. As a result, the two seeds 19 of each of the plurality of seed storage pipes 15 are simultaneously dropped through each of the plurality of second seed drop openings 171.
Next, the second seed support drop member 17 is moved by the predetermined distance in the direction opposite to the arrow A direction and returned to the original position. Next, the first seed support drop member 16 is moved by the predetermined distance in the direction opposite to the direction indicated by the arrow A and returned to the original position. The above operation of the seed paddy direct seeding device is repeated.
Next, the possibility of an increase in the yield of rice when the seed rice direct sowing device of Example 2 sows the two seed rice 19 will be described with reference to the figure and the cases (1) to (4).
When the number of rice plants per plant is 10 or more, it is difficult for rice plants to fall down. In addition, the yield of rice when 7 to 8 seedlings are planted in each part of the paddy field is 15% of the yield of rice when 3 to 5 seedlings are planted in each part of the paddy field. Only decreased. In addition, when the one seed paddy 19 was sown at intervals of 7 cm to 8 cm in each part of the paddy field, the yield of rice increased by 15%. In this case, the stock loss rate was in the range of 30% to 40%.
Considering the above, it can be estimated that the yield of rice is increased when the seed rice direct sowing device of Example 2 sows the two seed rice 19 in each place of the paddy field. Next, the reason will be described.
Case (1)
The case (1) is a case where the two seeds 19 are sown in each place of the paddy field and the stock standing rate is 60%. In this case, the stock deficiency rate is 16%, the rate of two rice plants is 36%, and the rate of one rice plant is 48%. In this case, the precondition can be estimated that the rate of increase in rice yield is 10% to 30% when the strain density is in the optimum range.
Case (2)
The case (2) is a case where the two seeds 19 are sown in each place of the paddy field and the stock standing rate is 70%. In this case, the stock deficiency rate is 9%, the stock standing rate of two rice plants is 49%, and the stock rate of one rice plant is 42%. In this case, the precondition can be estimated that the rate of increase in rice yield is 10% to 30% when the strain density is in the optimum range.
Case (3)
The case (3) is a case where the two seeds 19 are sown in each place of the paddy field and the stock standing rate is 80%. In this case, the stock deficiency rate is 4%, the stock standing rate of two rice plants is 64%, and the stock rate of one rice plant is 32%. In this case, the precondition can be estimated that the rate of increase in rice yield is 10% to 30% when the strain density is in the optimum range.
Case (4)
The case (4) is a case where the two seeds 19 are sown in each place of the paddy field and the stock standing rate is 90%. In this case, the stock deficiency rate is 1%, the stock standing rate of two rice plants is 81%, and the stock rate of one rice plant is 18%. In this case, the precondition can be estimated that the rate of increase in rice yield is 10% to 30% when the strain density is in the optimum range.

Next, the seed paddy direct sowing device of Example 3 will be described with reference to the figure and the cases (1) to (4). The seed paddy direct seeding device of Example 3 includes the plurality of seed storage pipes 15 arranged apart from each other by a predetermined interval in the range of 20 cm to 30 cm in the seed seeding device of Example 2. In the seed rice direct sowing apparatus of Example 3, each of the plurality of seed storage pipes 15 simultaneously accommodates the two seed rice 17 and then drops them at the same time.

Next, the seed paddy direct sowing device of Example 4 will be described with reference to the figure and the cases (1) to (4). The seed rice direct sowing device of Example 4 includes the plurality of seed storage pipes 15 arranged apart from each other by a predetermined interval in the range of 14 cm to 20 cm in the seed rice direct seeding device of Example 2. In the seed rice direct sowing apparatus of Example 4, each of the plurality of seed storage pipes 15 simultaneously stores the two seed rice seeds and then drops them at the same time.

Next, the seed paddy direct seeding device of Example 5 will be described with reference to the drawings and cases (1) to (4). The seed rice direct sowing device of Example 5 includes one seed rice direct seeding device of Example 3 and Example 4.
Next, the seed rice direct seeding equipment of Example 5 including the seed rice direct seeding equipment of Example 3 will be described with reference to the drawings and cases (1) to (4). In the seed rice direct sowing device of this embodiment, the two seed rice seeds 19 are sown for the first time at a predetermined interval in the range of 20 cm to 30 cm. Next, the seed rice direct sowing device is moved by a predetermined interval in the range of 14 cm to 20 cm, and the two seed rice 19 are sown a second time at a predetermined interval of 20 cm to 30 cm. Next, the above-mentioned operation of the seed paddy direct sowing device is repeated. In this case, since the density of the strain is in the optimum range, it can be estimated that the rate of increase in the yield of rice is 10% to 30%.
Next, the seed rice direct seeding equipment of Example 5 including the seed rice direct seeding equipment of Example 4 will be described with reference to the drawings and cases (1) to (4). In the seed rice direct sowing device of this embodiment, the two seed rice seeds 19 are sown for the first time at a predetermined interval of 14 cm to 20 cm. Next, the seed rice direct sowing device is moved by a predetermined interval of 20 cm to 30 cm, and the two seed rice 19 are sown a second time at a predetermined interval of 14 cm to 20 cm. Next, the above-mentioned operation of the seed paddy direct sowing device is repeated. In this case, since the density of the strain is in the optimum range, it can be estimated that the rate of increase in the yield of rice is 10% to 30%.

The seed support direct seeding device of Example 6 includes the first seed support drop member 16 and the second seed support drop member 17 integrated in one seed paddy direct seeding device of Examples 1 to 5. is doing. In the seed paddy direct sowing apparatus of Example 6, the positions and sizes of the plurality of seed drop openings 161 and the plurality of seed drop openings 171 are adjusted.

The seed rice direct sowing device of Example 7 includes one of the seed rice direct seeding devices of Examples 1 to 6, and each of the plurality of seed rice 19 is coated with an iron powder film.

As shown in FIG. 6, the seed rice direct seeding device 100 of the eighth embodiment includes one seed rice direct seeding device 101, a drive device 41, a movement distance determination device 42, and a drive control device 43 of the first to seventh embodiments. ing. The seed paddy direct sowing device 101 is placed and fixed on a vehicle of a scraper.
The drive device 41 is attached to the seed paddy direct seeding device 101 to move the first seed support drop member 16 and the second seed support drop member 17. The moving distance measuring device 42 measures the moving distance of the seed rice direct sowing device 101 and generates a moving distance measuring signal. The drive device 41 is connected to the drive control device 43. The moving distance measuring device 42 is connected to the drive control device 43.
Specifically, the moving distance measuring device 42 detects the number of rotations of the wheels of the vehicle, detects the moving distance of the seed paddy direct seeding device 101 and the vehicle, generates the moving distance measurement signal, and generates the drive control device. Send to 43.
The drive control device 43 receives the movement distance measurement signal from the movement distance measurement device and generates a drive signal when the movement distance measurement value of the movement distance measurement signal matches the movement distance set value. Send to 41. The drive control device 43 supplies the drive signal to the drive device 41 to drive the drive device 41. The drive device 41 receives the drive signal and moves the first seed holding drop member 16 and the second seed support drop member 17.
Next, the method for directly sowing seeds of the present invention will be described.
In the seed paddy direct sowing method of the present invention, a first step of preparing a string, a second step of forming a plurality of position designation marks on the string at predetermined intervals, and arranging the string in a paddy field. A third step of sowing at least one seed paddy in each of a plurality of areas near the plurality of positioning marks of the string placed in the paddy field.

Next, the ninth embodiment will be described with reference to the drawings.
As shown in FIG. 7, the string body 51 is prepared in the first step 1. Next, in the second step, a plurality of position designation marks 52 are formed on the string body 51 at intervals of a predetermined distance. It is desirable that the plurality of position designation marks 52 are formed of, for example, red ink.
Next, in the third step, the string body 51 is arranged in the paddy field. Next, in the fourth step, the two seeds 19 are sown by hand in each of the plurality of areas near the plurality of position designation marks 52 of the string 51 arranged in the paddy field.

In the tenth embodiment, in the second step of the ninth embodiment, the plurality of position designation marks 52 are formed on the string body 41 at a predetermined interval of 20 cm to 30 cm. In the tenth embodiment, the two seeds 19 are provided in each of the plurality of areas near the plurality of positioning marks 52 of the string 51 arranged in the paddy field in the fourth step of the ninth embodiment. Sowed with fingers.

In the eleventh embodiment, in the second step of the ninth embodiment, the plurality of position designation marks 52 are formed on the string body 51 at a predetermined interval of 14 cm to 20 cm. In the eleventh embodiment, the two seeds 19 are provided in each of the plurality of areas near the plurality of position designation marks 52 of the string body 51 arranged in the paddy field in the fourth step of the ninth embodiment. Sowed with fingers.

In Example 12, in one of Examples 9 to 11, instead of the first step, a fifth step of preparing the plurality of string bodies 51 as shown in FIG. 8 and the plurality of the first step. It comprises a sixth step of arranging the string bodies 51 in parallel at a predetermined interval, and a seventh step of connecting the plurality of string bodies 51 at a predetermined interval with a plurality of connecting string bodies 53. do.

In Example 13, in one of Examples 9 to 12, each of the plurality of seeds 19 is coated with an iron powder film.

11 Container support 12 Type storage container 13 Holding member 14 Tube support 15 Type storage tube 16 First type support drop member 17 Second type support drop member 18 Guide member 161 First type drop opening 171 Second Seed drop opening 51 String 52 Position designation mark

Claims

With the container support placed in place,
A seed container that is supported by the container support and contains a plurality of seeds, and a seed container.
A holding member fixed to the container support and extending downward,
A pipe support held by the holding member and arranged under the container support, and
A seed storage tube supported by the tube support so as to be located under the seed storage container and containing at least one seed paddy, and a seed storage tube.
A first seed support drop member movably arranged between the seed storage container and the seed storage pipe,
A second seed support drop member movably arranged under the seed storage pipe,
It is provided with the first seed support drop member fixed to the pipe support and the guide member for movably guiding the second seed support drop member.
The first seed support drop member has a first seed drop opening, and the second seed support drop member has a second seed drop opening.
When the first seed support drop member is moved and the first seed drop opening is arranged directly under the first seed storage container, at least one seed paddy of the first seed storage container is placed. It is dropped through the plurality of first seed drop openings and accommodated in the seed accommodating pipe, and the second seed support drop member is moved so that the second seed drop opening is accommodated in the seed. A seed paddy direct seeding device in which at least one seed paddy of the seed storage tube is dropped through the second seed drop opening when placed directly under the tube.
In claim 1,
Two poles that are separated from each other,
With the container support attached to the two poles,
The plurality of seed storage containers separately attached to the container support and each containing the plurality of seeds, and the plurality of seed storage containers.
The tube support attached to the two poles so as to be located below the container support, and the tube support.
The plurality of seed storage tubes, each of which is detached and attached to the tube support so as to be located below each of the seed storage containers, and each of which holds at least one grain of paddy.
The first seed support drop member movably arranged between the plurality of seed storage containers and the plurality of seed storage pipes,
The second seed support drop member, which is movably arranged under the plurality of seed storage pipes,
It is provided with the first seed support drop member fixed to the pipe support and the guide member for movably guiding the second seed support drop member.
The first seed-supporting drop member has the plurality of first seed drop openings that are separated, and the second seed-supporting drop member has the plurality of second seed drop openings that are separated. Have,
Each of the plurality of seed storage containers said when the first seed support drop member is moved and each of the plurality of first seed drop openings is placed directly below each of the plurality of seed storage containers. At least one seed paddy is simultaneously dropped through each of the plurality of first seed drop openings and simultaneously accommodated in each of the plurality of seed storage pipes, and the second seed support drop member moves. Then, when each of the plurality of second seed drop openings is arranged directly under each of the plurality of seed storage pipes, the at least one seed paddy of the plurality of seed storage pipes is dropped by the second seed storage pipe. Seed paddy direct sowing equipment that is dropped simultaneously through each of the openings.
In claim 2,
The seeds containing the plurality of seed storage pipes arranged at a predetermined interval in the range of 20 cm to 30 cm, and each of the plurality of seed storage pipes simultaneously stores the two seeds and then drops the seeds at the same time. Direct seeding equipment.
In claim 2,
The seeds containing the plurality of seed storage pipes arranged at a predetermined interval in the range of 14 cm to 20 cm, and each of the plurality of seed storage pipes simultaneously stores the two seeds and then drops the seeds at the same time. Direct seeding equipment.
In one of claims 1 to 4, each of the plurality of seed rice seeds is a seed rice seed direct seeding device coated with an iron powder film.
One of the seed rice direct sowing devices of claims 1 to 5,
A drive device mounted on the seed paddy direct seeding device to move the first seed support drop member and the second seed support drop member.
A moving distance measuring device that measures the moving distance of the seed paddy direct seeding device and generates a moving distance measurement signal, and
When the travel distance measurement signal from the travel distance measurement device is received and the travel distance measurement value of the travel distance measurement signal matches the travel distance set value, a drive signal is generated and given to the drive device to provide the drive device. A seed paddy direct sowing device including a drive control device for driving.
The first step to prepare the string and
The second step of forming a plurality of position designation marks on the string body by a predetermined interval, and
The third step of arranging the string body in the paddy field,
A method for directly sowing seed rice, comprising a fourth step of sowing the seed rice at least one grain in each of a plurality of areas near the plurality of positioning marks of the string body arranged in the paddy field.
In claim 7, in the second step, the plurality of position designation marks are formed on the string body at a predetermined interval of 20 cm to 30 cm, and in the fourth step, near the plurality of position designation marks. A method of directly sowing seed rice in which the two seed rice seeds are sown in each of a plurality of areas.
In claim 7, in the second step, the plurality of position designation marks are formed on the string body at a predetermined interval of 14 cm to 20 cm, and in the fourth step, near the plurality of position designation marks. A method of directly sowing seed rice in which the two seed rice seeds are sown in each of a plurality of areas.
In one of claims 7 to 9, instead of the first step,
The fifth step of preparing the plurality of strings and
The sixth step of arranging the plurality of strings in parallel and separated by a predetermined interval,
A method for directly sowing seed rice, comprising a seventh step of connecting the plurality of strings with a plurality of connecting strings separated by a predetermined interval.
In one of claims 7 to 10, the seed paddy direct sowing method in which each of the plurality of seed rice seeds is coated with an iron powder film.