Farm field management method, farm field management system, and farm field management program

Abstract

To provide a farm field management method capable of easily determining accurate information about plowing-in work during a prescribed period.SOLUTION: A farm field management method includes determining a working area 650 where plowing-in work is carried out during a prescribed period based on operation information of a working device 30 carrying out work in a farm field 500. The farm field management method includes outputting area information about the working area 650. The determination of the working area 650 may include extracting target period operation information representing the operation information of the working device 30 during the prescribed period from the operation information based on a time represented by the operation information, and determining the working area 650 based on the target period operation information.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present invention relates to a farm field management method, a farm field management system, and a farm field management program. [Background technology]

[0002] In recent years, efforts have been made to reduce greenhouse gas emissions such as methane and carbon dioxide. In these activities, for the parts of greenhouse gases that are difficult to reduce, greenhouse gas emission reductions and absorptions are being achieved in other locations. In addition, greenhouse gas emission reductions are also being achieved by purchasing carbon credits, which represent the amount of greenhouse gas emission reductions and absorptions achieved in other locations.

[0003] It is also being considered to create carbon credits in agricultural fields. For example, Non-Patent Document 1 describes how methane gas emissions from agricultural fields, such as rice paddies, can be reduced by plowing the fields in the autumn after harvest. [Prior art documents] [Non-patent literature]

[0004] [Non-Patent Document 1] Miyamoto Taku, Autumn cultivation to be eligible for J-Credit, Japan Agricultural News, May 19, 2023, p.1 Summary of the Invention [Problem to be solved by the invention]

[0005] Here, in order to generate carbon credits, highly accurate information is required about fields where plowing was carried out in the fall, such as the area of ​​the area where work was carried out.

[0006] In view of the above circumstances, one of the objects of the present disclosure is to easily determine highly accurate information about a farm field where plowing work has been performed during a predetermined period, for example, in autumn. Other objects can be understood from the following description and the explanation of the embodiment. [Means for solving the problem]

[0007] The means for solving the problems will be described below using the numbers and symbols used in the description of the embodiment of the invention. These numbers and symbols are added in parentheses for reference purposes to show an example of the correspondence between the description of the claims and the description of the embodiment of the invention. Therefore, the description in parentheses should not be interpreted as limiting the scope of the claims.

[0008] To achieve the above object, a farm land management method according to one embodiment includes determining a work area (650) in which plowing work has been performed during a predetermined period, based on operation information of a work implement (30) performing work in the farm land (500). The farm land management method also includes outputting area information related to the work area (650).

[0009] A farm land management system (1000) according to one embodiment for achieving the above object includes an area determination unit (160) and an output unit (170). The area determination unit (160) determines a work area (650) in which plowing work has been performed during a predetermined period, based on operation information of a work implement (30) performing work in a farm land (500). The output unit (170) outputs area information related to the work area (650).

[0010] To achieve the above object, a farm land management program (430) according to one embodiment causes the calculation device (120, 220) to determine a work area (650) in which plowing work was performed during a predetermined period, based on operation information of a work implement (30) performing work in a farm field (500). The farm land management program (430) also causes the calculation device (120, 220) to output area information related to the work area (650). Effect of the Invention

[0011] According to the above aspect, highly accurate information can be easily determined. [Brief description of the drawings]

[0012] [Figure 1] 1 is a schematic diagram of a farm land management system according to one embodiment; [Diagram 2] FIG. 2 is a diagram illustrating a working area where a plowing operation is performed by a working device according to an embodiment. [Diagram 3] 1 is a diagram illustrating a configuration of a farm land management device according to an embodiment. [Figure 4] FIG. 2 is a diagram illustrating functional blocks executed by a farm land management system according to an embodiment. [Diagram 5] FIG. 2 is a diagram for explaining a configuration of a terminal according to an embodiment. [Figure 6] 10 is a flowchart showing a process for a farm land management system in one embodiment to determine a work area in which plowing work was carried out in autumn. [Figure 7] 11 is a flowchart showing a process for a terminal according to an embodiment to display area information relating to a work area where plowing work was carried out in autumn. [Figure 8] 1 is a schematic diagram of a farm land management system according to one embodiment; [Figure 9] FIG. 2 is a diagram illustrating functional blocks executed by a farm land management system according to an embodiment. [Figure 10] 1 is a flowchart illustrating a process for a farm field management system in one embodiment to determine a yield of a crop harvested in a farm field. [Figure 11] 1 is a flowchart showing a process performed by a farm land management system in one embodiment to determine the amount of straw to be used in plowing work in autumn. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] (Embodiment 1) A farm land management system 1000 according to this embodiment of the present invention will be described with reference to the drawings. In this embodiment, as shown in Fig. 1, the farm land management system 1000 includes a farm land management device 100 and a terminal 200. The farm land management device 100 is connected to one or more operation devices 30 that perform operations in a farm land 500, and the terminal 200 via a network 20, for example the Internet.

[0014] The working device 30 performs plowing work in the fall after the crops are harvested, using straw left in the farm field 500, for example, a rice paddy. By performing plowing work in the fall, greenhouse gases, particularly methane gas, emitted from the farm field 500, for example, a rice paddy, in the next season are suppressed. This suppression of greenhouse gases may result in the creation of carbon credits. Here, in order to generate carbon credits, it is necessary to measure with high accuracy area information related to the work area where plowing work has been performed by the working device 30, for example the area of ​​the work area.

[0015] Here, the operating device 30 includes, for example, a positioning device, such as a GNSS (Global Navigation Satellite System) receiver, a quantum compass, etc., and measures the position of the operating device 30 at each time, for example, every 10 seconds. For example, as shown in FIG. 2, a measured position 600 measured by the positioning device indicates a position along a trajectory 610 traveled by the operating device 30. The operating device 30 includes any device that performs plowing work while moving in the farm field 500, such as a tractor or a cultivator equipped with a working implement capable of plowing work. Position information indicating the position of the operating device 30 at each time is included in the operation information and output to the farm field management device 100.

[0016] The farm land management apparatus 100 determines a work area 650 representing an area where the work device 30 performed the plowing work based on the operation information acquired from the work device 30. Area information on the determined work area 650, for example, the area of ​​the work area 650, is displayed on the terminal 200. The terminal 200 may print, for example, the area information on the work area 650 of the plowing work performed in the farm field 500 in the form of an application form used for applying for the creation of carbon credits. A user, for example, the owner of the farm field 500, can easily apply for the creation of carbon credits by using the printed application form. In addition, the area information is determined based on the position information when the work device 30 performed the plowing work. Therefore, the farm land management system 1000 can provide the user with more accurate area information. In addition, the area information can be used for certification by a third party by being provided by the farm land management system 1000, which is a third party other than the applicant.

[0017] Here, the working device 30 may acquire status information that indicates the state of the working device 30 at each time. The status information indicates, for example, the speed, steering angle, engine RPM, and ON / OFF status of various clutches of the working device 30. Furthermore, when the working device 30 is a vehicle that tows a working machine, such as a tractor, the status information may include, for example, information on the type of working machine being towed (e.g., rotary, fertilizer spreader, etc.), the PTO (power take-off) RPM when transmitting power to the working machine, and the hitch height and lift arm angle that indicate the attitude of the working machine. The status information may be included in the operation information and output to the farm land management device 100.

[0018] (Configuration of the farm management system) The configuration of the farm land management device 100 will be described. As shown in FIG. 3, the farm land management device 100 includes an input / output device 110, a calculation device 120, a communication device 130, and a storage device 140. The farm land management device 100 is, for example, a computer. Information for the calculation device 120 to execute processing is input to the input / output device 110. The input / output device 110 outputs a result of the calculation device 120 executing the processing. The input / output device 110 includes various input devices and output devices, such as a keyboard, a mouse, a microphone, a display, a speaker, and a touch panel. The input / output device 110 may be omitted.

[0019] The communication device 130 is communicatively connected to the network 20 and communicates with each device via the network 20. For example, the communication device 130 transfers information acquired from the maintenance device 30 to the arithmetic device 120. Also, the communication device 130 transfers a signal generated by the arithmetic device 120 to the terminal 200. The communication device 130 includes various interfaces, such as a network interface card (NIC) and a universal serial bus (USB).

[0020] The storage device 140 stores various data for determining a work area 650 in which the work implement 30 performed plowing work in the fall in the field 500, such as the field data 410, the operation data 420, and the field management program 430. The storage device 140 is used as a non-transitory tangible storage medium for storing the field management program 430. The field management program 430 may be provided as a computer program product recorded on a computer-readable storage medium 1, or may be provided as a computer program product downloadable from a server.

[0021] The field data 410 stores information about the field 500. For example, the field data 410 stores information indicating the area and position of the field 500. The field data 410 may also store information indicating the yield of crops harvested in the field 500.

[0022] The operation data 420 stores operation information acquired from the operation device 30 for each operation device 30 .

[0023] The arithmetic device 120 reads out and executes the farm land management program 430 from the storage device 140, and performs various data processing to determine the working area 650 in which the plowing work has been performed by the working device 30. For example, the arithmetic device 120 includes a central processing unit (CPU) and the like.

[0024] The arithmetic device 120 reads and executes the farm field management program 430, thereby realizing a data storage unit 150, an area determination unit 160, and an output unit 170, as shown in Fig. 4. The data storage unit 150 stores farm field data 410 and operation data 420. The area determination unit 160 determines a work area 650 in which plowing work was performed in autumn, based on operation information of the work device 30. The output unit 170 outputs area information related to the work area 650 to the terminal 200.

[0025] Next, the configuration of the terminal 200 shown in Fig. 1 will be described. As shown in Fig. 5, the terminal 200 includes an input / output device 210, a calculation device 220, a communication device 230, and a storage device 240. The terminal 200 includes, for example, a computer, a tablet, a mobile phone, and the like. Information for the calculation device 220 to execute processing is input to the input / output device 210. In addition, the input / output device 210 outputs the result of the calculation device 220 executing the processing. The input / output device 210 includes various input devices and output devices, and includes, for example, a keyboard, a mouse, a microphone, a display, a speaker, a touch panel, and the like.

[0026] The communication device 230 is communicatively connected to the network 20, and communicates with each device via the network 20. For example, the communication device 230 transfers a signal acquired from the farm land management device 100 to the arithmetic device 220. The communication device 230 also transfers a signal generated by the arithmetic device 220 to the farm land management device 100. The communication device 230 includes various interfaces, such as a transceiver used for wireless communication in a wireless local area network (LAN) or a cellular network, a network interface card (NIC), a universal serial bus (USB), and the like.

[0027] The storage device 240 stores various data for displaying area information acquired from the farm land management device 100, for example, a display program 440. The storage device 240 is used as a non-transitory tangible storage medium for storing the display program 440. The display program 440 may be provided as a computer program product recorded in a computer-readable storage medium 2, or may be provided as a computer program product downloadable from a server.

[0028] The arithmetic unit 220 reads out and executes the display program 440 from the storage device 240, and performs various data processing for displaying the area information. For example, the arithmetic unit 220 includes a central processing unit (CPU) and the like.

[0029] The arithmetic device 220 reads and executes the display program 440 to implement the display unit 250 in cooperation with the input / output device 210, as shown in Fig. 4. The display unit 250 displays the area information acquired from the farm land management device 100.

[0030] (Storage of operation information of work equipment) The operation of the farm land management system 1000 will be described. First, the operation of storing the operation information of the working device 30 in the operation data 420 of the farm land management apparatus 100 will be described. When the working device 30 works in the farm land 500, it outputs the operation information to the farm land management apparatus 100. For example, when a power source, such as an engine or an electric motor, is stopped, the working device 30 outputs operation information from when the power source is started to when it is stopped to the farm land management apparatus 100. The working device 30 may sequentially output the operation information to the farm land management apparatus 100. When the arithmetic device 120 of the farm land management apparatus 100 acquires the operation information from the working device 30, it executes the farm land management program 430. The data storage unit 150 realized by the arithmetic device 120 stores the operation information acquired from the working device 30 in the operation data 420.

[0031] (Determining the work area) Next, an operation for determining the work area 650 where plowing work was performed by the work device 30 in autumn based on the operation information of the work device 30 will be described. The arithmetic device 120 of the farm land management apparatus 100 executes the farm land management program 430 at a predetermined time, for example, at midnight every day, to start the process shown in Fig. 6 which is part of the farm land management method. The arithmetic device 120 may start the process shown in Fig. 6 when it acquires the operation information of the work device 30.

[0032] In step S110, the region determining unit 160 realized by the calculation device 120 extracts autumn operation information as target period operation information from the operation data 420. For example, the region determining unit 160 extracts operation information measured from August to November after the harvest season when crops are harvested as target period operation information.

[0033] In step S120, the region determination unit 160 extracts operation information related to plowing work as plowing operation information from the extracted target period operation information. For example, the region determination unit 160 extracts operation information when the working device 30 is performing plowing work as plowing operation information from the target period operation information. For example, the region determination unit 160 extracts operation information in which the working machine towed by the working device 30 is a rotary. Furthermore, the region determination unit 160 extracts operation information when the working device 30 is performing work as plowing operation information from the extracted operation information. For example, the region determination unit 160 extracts operation information indicating that the working machine towed by the working device 30 is lowered as plowing operation information. For example, in the example shown in FIG. 2, the region determination unit 160 extracts operation information measured while the working device 30 moves from the first positioning position 600-1 to the second positioning position 600-2 as plowing operation information. In addition, the area determination unit 160 may extract the plowing operation information from the operation information while the working device 30 moves from the first positioning position 600-1 to the second positioning position 600-2, excluding the operation information measured while the working device 30 is turning.

[0034] In step S130 shown in Fig. 6, the area determination unit 160 determines a working area 650 where the plowing work has been performed based on the position information included in the plowing operation information. For example, as shown in Fig. 2, the area determination unit 160 determines the working area 650 based on a plurality of positioning positions 600 represented in the plowing operation information, for example, a plurality of positioning positions 600 included in a trajectory 610 from a first positioning position 600-1 to a second positioning position 600-2. For example, the area determination unit 160 determines a convex hull of the plurality of positioning positions 600 represented by the plowing operation information as the working area 650. The area determination unit 160 may also determine an area obtained by expanding the convex hull by the working width of the working device 30 as the working area 650. The area determination unit 160 may determine the working area 650 based on a working trajectory 620 obtained by connecting with a line the measured positions 600 represented in two pieces of position information whose measured times are adjacent to each other among the pieces of position information included in the plowing operation information. For example, the area determination unit 160 determines a working trajectory 620 obtained by connecting with a straight line the measured positions 600 represented in two pieces of position information whose measured times are adjacent to each other. The area determination unit 160 may determine, as the working area 650, an area obtained by expanding the working trajectory 620 by the working width of the working device 30 in a direction perpendicular to the direction in which the working trajectory 620 extends.

[0035] 6, the area determination unit 160 determines the field 500 on which work has been performed by the working device 30, based on the working area 650. For example, the area determination unit 160 searches the field data 410 for a field 500 that includes the working area 650. The area determination unit 160 determines the searched field 500 as the field 500 on which work has been performed by the working device 30. The area determination unit 160 stores area information on the determined working area 650 in the field data 410, in association with the field 500 on which work has been performed by the working device 30.

[0036] The area information on the working area 650 may include, for example, the position, area, etc. of the working area 650. The area of ​​the working area 650 is calculated, for example, by the area determination unit 160. The area information may also include the date and period when the work was performed in the working area 650. The date and period when the work was performed are determined based on the time represented in the plowing operation information, for example, the time when the plowing operation information was measured. For example, the area determination unit 160 determines the date including the time represented in the plowing operation information as the date when the work was performed in the working area 650. The area determination unit 160 may also determine the period from the first time to the last time among the times represented in the plowing operation information as the period when the work was performed.

[0037] In this way, the farm land management apparatus 100 determines the work area 650 in which plowing work was performed in autumn, based on the operation information of the work apparatus 30 stored in the operation data 420.

[0038] (Display area information) Next, an operation of displaying area information determined by the farm field management device 100 will be described. A user, for example, the owner of the farm field 500, acquires area information on the work area 650 where plowing work was performed in autumn in order to apply for the creation of carbon credits. For this purpose, the user inputs a viewing operation to the input / output device 210 of the terminal 200 in order to view the area information on the work area 650. The arithmetic device 220 of the terminal 200 reads and executes the display program 440 in response to the viewing operation. When the display program 440 is read and executed, the arithmetic device 220 starts the process shown in FIG. 7, which is part of the farm field management method.

[0039] In step S210, the display unit 250 realized by the calculation device 220 receives information representing the field 500 related to the application for creation of carbon credits. For example, the display unit 250 acquires list information representing a list of the fields 500 registered in the field data 410 from the data storage unit 150 of the field management device 100. The acquired list information is displayed on the input / output device 210 by the display unit 250. The user uses the input / output device 210 to select the field 500 related to the application from the displayed list of fields 500. The display unit 250 outputs a request signal to the field management device 100 to request area information related to the selected field 500.

[0040] In step S220, the output unit 170 of the farm field management apparatus 100 outputs area information to the terminal 200 in response to a request signal from the terminal 200. For example, the output unit 170 extracts area information related to the field 500 requested by the request signal, such as the area of ​​the work area 650 related to the requested field 500, the position of the work area 650, and the date on which the work was performed, from the field data 410. The output unit 170 outputs the extracted area information to the terminal 200. The output unit 170 may also include an image representing the area information in accordance with the format of an application form for the creation of carbon credits, in the area information.

[0041] In step S230, the display unit 250 of the terminal 200 displays the area information acquired from the farm field management apparatus 100. For example, the display unit 250 displays area information related to a work area 650 in which autumn plowing work was performed in the farm field 500 selected by the user. For example, the display unit 250 displays the area and position of the work area 650, and the date on which the work was performed. The position of the work area 650 is displayed, for example, as an image representing the work area 650 on a map.

[0042] In step S240, the display unit 250 prints an application form for applying for the creation of carbon credits for the plowing work performed in the work area 650. For example, the user inputs a print operation to the input / output device 210 to print an application form related to the plowing work performed in the work area 650. The display unit 250 prints area information expressed in the form of an application form in response to the print operation. For example, the display unit 250 prints an image representing the area information in accordance with the form of the application form.

[0043] The user can use the printed application form to apply for the creation of carbon credits. In this manner, the farm land management system 1000 supports the user in applying for the creation of carbon credits.

[0044] (Embodiment 2) The reduction of greenhouse gas emissions by autumn plowing is achieved because the decomposition of straw before rice planting suppresses the activity of methanogens that use straw as nutrients to emit methane gas in the next season. Therefore, the amount of greenhouse gases reduced by autumn plowing varies depending on the amount of straw used in the plowing. Therefore, the farm land management system 1000 may determine the amount of straw to be used in autumn plowing.

[0045] For example, straw discharged when the harvester 40 harvests crops in the field 500 is left behind in the field 500. The plowing work is performed using the left straw. For this reason, the straw amount determination unit 180 may determine the amount of straw left in the field 500 based on the harvested amount harvested in the field 500. For example, as shown in FIG. 8, the field management system 1000 acquires operation information of the harvester 40 performing work in the field 500, and determines the harvested amount in the field 500 based on the operation information of the harvester 40.

[0046] The harvester 40, like the working device 30, is equipped with a positioning device, such as a GNSS receiver or a quantum compass, and measures the position of the harvester 40 at each time, for example, every 10 seconds. Position information indicating the measured position of the harvester 40 at each time is included in the operation information and output to the farm land management device 100.

[0047] Furthermore, the harvester 40 acquires status information indicating the state of the harvester 40 at each time, includes the acquired status information in the operation information, and outputs it to the farm land management device 100. The status information indicates, for example, the speed, steering angle, engine RPM, and ON / OFF status of various clutches of the harvester 40. The status information also includes the yield of crops harvested by the harvester 40. For example, when acquiring status information, the harvester 40 acquires the yield of crops harvested since acquiring the most recently acquired status information. The acquired harvest yield is included in the corresponding status information.

[0048] The harvester 40 may be an apparatus formed integrally with a working machine, such as a combine harvester, or may be an apparatus to which a harvesting machine for harvesting crops is added.

[0049] (Configuration of the farm management system) As shown in Fig. 9, the configuration of the farm land management system 1000 is the same as that of the first embodiment, except for the data storage unit 150B and the straw amount determination unit 180, which are realized by the calculation device 120 of the farm land management apparatus 100 executing the farm land management program 430. Therefore, detailed explanations of the configuration of the farm land management system 1000 will be omitted, except for the data storage unit 150B and the straw amount determination unit 180. The data storage unit 150B stores operation information acquired from the harvester 40 in the operation data 420. The straw amount determination unit 180 determines the amount of straw for autumn plowing work based on the operation information of the harvester 40.

[0050] (Determination of harvest yield) The operation of the farm land management system 1000 will be described. The operation of storing operation information of the harvester 40 in the operation data 420 of the farm land management device 100 will be described. As with the work device 30, the harvester 40 outputs operation information to the farm land management device 100 when working in the field 500. When the arithmetic device 120 of the farm land management device 100 acquires the operation information from the harvester 40, it executes the farm land management program 430 and starts the processing shown in Fig. 10 which is part of the farm land management method.

[0051] In step S310, the straw amount determination unit 180 determines the field 500 where the crop was harvested by the harvester 40, based on the operation information of the harvester 40. For example, the straw amount determination unit 180 searches the field data 410 for a field 500 whose area includes the position indicated in the position information included in the operation information of the harvester 40. The straw amount determination unit 180 determines the searched field 500 as the field 500 where the crop was harvested by the harvester 40.

[0052] In step S320, the straw amount determination unit 180 determines the yield of the crop harvested by the harvester 40 in the field 500 based on the operation information of the harvester 40. For example, the straw amount determination unit 180 determines the yield of the crop harvested in the field 500 by accumulating the harvest amounts indicated in the operation information of the harvester 40.

[0053] The straw amount determination unit 180 associates the determined harvest amount with the field 500 where the crop was harvested and stores it in the field data 410. The straw amount determination unit 180 may determine a harvest period indicating the date or period when harvesting was performed based on operation information of the harvester 40, and store the determined harvest period in the field data 410 in association with the field 500 where the crop was harvested.

[0054] (Storage of operation information of work equipment) The operation of storing the operation information of the work device 30 in the operation data 420 of the farm land management device 100 is similar to that in the first embodiment, and therefore a detailed description thereof will be omitted.

[0055] (Determining the work area) Next, a description will be given of the operation of determining the work area 650 in which plowing work was performed in autumn by the work device 30, based on the operation information of the work device 30. As in the first embodiment, the arithmetic device 120 of the farm land management apparatus 100 executes the farm land management program 430 at a predetermined time, for example, at midnight every day, to start the processing shown in Fig. 11, which is part of the farm land management method.

[0056] The processes from step S110 to step S140 are similar to those in the first embodiment, and therefore the description thereof will be omitted.

[0057] In step S150, the straw amount determination unit 180 determines the amount of straw to be used in the plowing work in the field 500, based on the harvest yield in the field 500 determined based on the operation information of the harvester 40. For example, the straw amount determination unit 180 acquires the harvest yield harvested in the field 500 where the plowing work was performed from the field data 410 in which the harvest yield in the field 500 is stored. Based on the acquired harvest yield, the straw amount determination unit 180 determines the amount of straw used in the plowing work.

[0058] For example, the straw amount determination unit 180 determines the amount of straw from the harvest yield using a calculation formula for calculating the amount of straw left in the field 500 relative to the harvest yield. The determined amount of straw is associated with the field 500 where the plowing work was performed and stored in the field data 410.

[0059] Furthermore, when the harvester 40 has a straw amount sensor that measures the amount of straw discharged during work, the operation information of the harvester 40 may include information representing the amount of straw measured by the straw amount sensor. In this case, the straw amount determination unit 180 determines the amount of straw to be left in the field 500 based on the amount of straw represented by the operation information. For example, the straw amount determination unit 180 accumulates the amount of straw represented by the operation information for the period during which work is being performed in the field 500, to determine the amount of straw to be left in the field 500.

[0060] In this manner, the farm management system 1000 may determine the amount of straw used in the plowing operation.

[0061] (Display area information) The operation of displaying the area information determined by the farm land management apparatus 100 is the same as in the first embodiment, except that the area information includes the amount of straw used in the plowing work. Therefore, a detailed description will be omitted.

[0062] In this way, the farm land management system 1000 may provide the user with the amount of straw used in the plowing operation.

[0063] (Modification) The configurations described in the embodiments are merely examples, and the configurations can be changed as long as the functions are not impaired. For example, the time when the working device 30 performs plowing is not limited to autumn. The working device 30 may perform plowing in any period as long as it is a predetermined period during which greenhouse gas emission reduction and absorption can be achieved. For example, the predetermined period refers to a period during which greenhouse gas emissions can be reduced during a cultivation period, for example, during the period during which crops are cultivated in the next season, by decomposing straw by microorganisms in the soil through plowing in that period.

[0064] For example, in step S140 shown in Fig. 6 or 11, the area determination unit 160 may determine the field 500 where work is being performed by any method. For example, the area determination unit 160 may determine, from the field data 410, the field 500 whose area includes the position represented by the operation information of the work device 30, as the field 500 where work is being performed. In this case, the area determination unit 160 may perform the process of determining the field 500 where work is being performed at any timing in the process shown in Fig. 6 or 11. For example, the area determination unit 160 may determine the field 500 where work is being performed at the start of the process shown in Fig. 6 or 11.

[0065] In step S110 shown in FIG. 6 or FIG. 11, the area determination unit 160 may extract operation information in autumn after the crop is harvested by any method. For example, the area determination unit 160 may determine the field 500 in which the work was performed by the working device 30, and obtain the date of harvesting in the determined field 500 from the field data 410. In this case, the area determination unit 160 extracts operation information in autumn after the date of harvesting as the target period operation information. By the area determination unit 160 extracting operation information after harvesting, it is possible to prevent work performed in the field 500 before harvesting from being mistakenly treated as plowing work. The date of harvesting may be determined by any method, for example, based on the operation information of the harvester 40, or may be input by a user, for example, a worker or a manager of the field 500.

[0066] 6 or 11, the region determination unit 160 may extract operation information when the working apparatus 30 is performing work by any method. For example, when the speed of the working apparatus 30 is within a predetermined range, the region determination unit 160 may determine that the working apparatus 30 is performing work.

[0067] In addition, the region determination unit 160 may extract operation information corresponding to a portion of the trajectory 610 of the working device 30 that corresponds to the trajectory pattern when the working device 30 is performing the work as the operation information when the working device 30 is performing the work. For example, when performing the plowing work, the working device 30 may perform the work while moving back and forth in a first direction and the opposite direction as shown in the work trajectory 620 of FIG. 2. Specifically, the working device 30 performs the work while moving in a first reciprocating trajectory 630-1 moving in the first direction, a second reciprocating trajectory 630-2 moving in the opposite direction to the first direction, and a third reciprocating trajectory 630-3 moving in the first direction. Here, each reciprocating trajectory 630 represents a different position from the other reciprocating trajectories 630 in a direction perpendicular to the traveling direction when moving along the reciprocating trajectory 630. In this way, the region determination unit 160 may extract operation information corresponding to the work trajectory 620 in which the reciprocating trajectory 630 moving in the first direction and the reciprocating trajectory 630 moving in the opposite direction are repeated, and each reciprocating trajectory 630 represents a different position from the other reciprocating trajectories 630 in a direction perpendicular to the traveling direction.

[0068] Also, in step S120 shown in FIG. 6 or FIG. 11, the area determination unit 160 may determine that the work performed is plowing work by any method based on the operation information when the working device 30 is performing the work. For example, the area determination unit 160 may determine that plowing work is being performed using a model that is trained to input the operation information of the working device 30 and output the type of work performed by the working device 30. Also, there are cases where a working machine performing plowing work can perform work while moving faster than other work. For this reason, the area determination unit 160 may determine that plowing work is being performed when work is being performed in a post-harvest field 500 and the speed of the working device 30 while performing the work is greater than a threshold value. The operation information determined to be plowing work is extracted as plowing operation information. In this case, the field 500 where the work was performed is determined before step S120.

[0069] The area determination unit 160 may also extract operation information in which autumn plowing work was performed in the field 500 based on a preset work plan and the operation information of the working device 30. For example, the area determination unit 160 determines the field 500 in which work was performed based on the operation information of the working device 30. The area determination unit 160 extracts a period in which plowing work is scheduled to be performed from the determined work plan for the field 500. When the time represented in the operation information of the working device 30, for example, the time when the operation information was measured, is included in the scheduled period of autumn plowing work, the area determination unit 160 determines the operation information as operation information in which autumn plowing work was performed. The work plan may be registered by a user, for example, a worker or an owner of the field 500, or may represent a cultivation calendar.

[0070] Furthermore, the determination of the harvest amount in the field 500 is not limited to the process shown in FIG. 10, and the harvest amount may be determined by any method. For example, the harvest amount in the field 500 may be measured at a facility to which the harvested product in the field 500 is transported by a transport vehicle, such as a post-harvest facility. In this case, the field management apparatus 100 may acquire information indicating the harvest amount measured at the post-harvest facility from an apparatus in the post-harvest facility. The harvest amount may also be input by a user, such as a worker or an owner of the field 500. For example, when a user inputs the harvest amount into the input / output device 210 of the terminal 200, the display unit 250 of the terminal 200 may output information indicating the harvest amount to the field management apparatus 100.

[0071] Furthermore, in step S150 shown in FIG. 11, the straw amount determination unit 180 may determine the amount of straw used in the plowing operation by any method. For example, the straw amount determination unit 180 may determine the amount of straw by using any information, for example, NDVI (Normalized Difference Vegetation Index) when crops are cultivated in the farm field 500. The amount of straw may also be input by a user. For example, when the user inputs the amount of straw to the input / output device 210 of the terminal 200, the display unit 250 of the terminal 200 may output information indicating the amount of straw to the farm field management device 100.

[0072] The process of step S110 shown in FIG. 6 or FIG. 11 may be performed after the process of step S120 or step S130. For example, the area determination unit 160 may extract plowing operation information when plowing work is being performed from the operation data 420, and then extract autumn operation information from the extracted plowing operation information. In this case, the area determination unit 160 determines the work area 650 based on the target period operation information extracted as autumn operation information. In addition, the area determination unit 160 may determine the work area 650 where plowing work was performed based on the operation information stored in the operation data 420, and then determine the work area 650 where work was performed in autumn as the work area 650 where plowing work was performed in autumn.

[0073] 7, the display unit 250 of the terminal 200 may receive information indicating the date or period when the plowing work for which a carbon credit creation application is being made was performed. In this case, the display unit 250 outputs the information indicating the date or period when the work was performed to the farm field management apparatus 100. The output unit 170 of the farm field management apparatus 100 searches the farm field data 410 for a farm field 500 where plowing work was performed on the corresponding date or period, and outputs area information related to the work area 650 of the searched farm field 500 to the terminal 200.

[0074] 7, display unit 250 of terminal 200 may form an image showing area information according to the application form format. For example, display unit 250 acquires only the application form format from farm land management apparatus 100, generates an image in which the application form format is added with area information, and prints it. Display unit 250 may also store the application form format in advance, and generate an image in which the stored application form format is added with area information.

[0075] The above-described embodiment and modified examples are merely examples, and the configurations described in each embodiment and modified example may be arbitrarily changed and / or arbitrarily combined as long as the functions are not impaired. Furthermore, some of the functions described in the embodiment and modified examples may be omitted as long as the required functions can be realized. For example, some or all of the processing of the farm land management apparatus 100 may be executed by the terminal 200. Also, some or all of the processing of the terminal 200 may be executed by the farm land management apparatus 100.

[0076] Furthermore, the farm land management system 1000 may not include the terminal 200, and may cause an external terminal that is not included in the farm land management system 1000 to display the area information.

[0077] The field management program 430 may include a display program 440 .

[0078] (Additional Note) The farm land management method, the farm land management system, and the farm land management program described in each embodiment can be described as follows.

[0079] A farm land management method according to a first aspect includes the steps of: determining a work area in which plowing work has been performed during a predetermined period based on operation information of a work implement performing work in the farm field; outputting area information relating to the working area; Includes.

[0080] A farm land management method according to a second aspect is the farm land management method according to the first aspect, Determining the working area comprises: extracting, from the operation information based on a time indicated in the operation information, target period operation information indicating operation information of the operating device during the predetermined period; determining the work area based on the target period operation information; Includes.

[0081] A farm land management method according to a third aspect is the farm land management method according to the second aspect, The extracting of the target period operation information includes: Extracting the target period operation information indicating that post-harvest work was performed in the field from the operation information. Includes.

[0082] A farm land management method according to a fourth aspect is the farm land management method according to any one of the first to third aspects, Determining the working area comprises: extracting, from the operation information based on the operation information, plowing operation information indicating that the working device has performed the plowing operation; determining the work area based on the plowing operation information; Includes.

[0083] A farm land management method according to a fifth aspect is the farm land management method according to the fourth aspect, The extracting of the plowing operation information includes: extracting, from the operation information based on the operation information, work operation information indicating that the work device is performing work after harvesting; extracting the plowing operation information from the work operation information based on the speed of the work implement represented in the operation information; Includes.

[0084] A farm land management method according to a sixth aspect is the farm land management method according to the fifth aspect, The extracting of the plowing operation information includes: Extracting the work operation information from the operation information based on a trajectory of the work implement represented in the operation information. Includes.

[0085] A farm land management method according to a seventh aspect is a farm land management method according to any one of the first to sixth aspects, The predetermined period represents autumn.

[0086] A farm land management method according to an eighth aspect is a farm land management method according to any one of the first to seventh aspects, Determining the amount of straw plowed in the plow operation in the field based on operation information of a harvester that has harvested in the field. Further includes:

[0087] A farm land management method according to a ninth aspect is the farm land management method according to any one of the first to eighth aspects, The area information represents the area of ​​the work area.

[0088] A farm land management method according to a tenth aspect is a farm land management method according to any one of the first to ninth aspects, Displaying the area information. Further includes:

[0089] A farm land management system according to an eleventh aspect includes: an area determination unit that determines a work area in which plowing work has been performed during a predetermined period based on operation information of a work device that performs work in a farm field; an output unit that outputs area information regarding the work area; Equipped with.

[0090] A farmland management program according to a twelfth aspect, determining a work area in which plowing work has been performed during a predetermined period based on operation information of a work implement performing work in the farm field; outputting area information relating to the working area; The calculation device executes the following. [Explanation of symbols]

[0091] 1, 2: Storage medium 20: Network 30: Work equipment 40: Harvester 100: Field management device 110: Input / Output device 120: Arithmetic device 130: Communication equipment 140: Storage device 150: Data storage unit 160: Area determination section 170: Output section 180: Straw quantity determination unit 200: Terminal 210: Input / Output device 220: Arithmetic device 230:Communication equipment 240: Storage device 250:Display section 410: Field data 420: Operational data 430: Field Management Program 440: Display program 500: Field 600: Positioning location 610: Orbit 620: Working trajectory 630: Reciprocating orbit 650 :Work area 1000: Field management system

Claims

1. determining a work area in which plowing work has been performed during a predetermined period based on operation information of a work implement performing work in the farm field; outputting area information relating to the working area; A field management method comprising:

2. Determining the working area comprises: extracting, from the operation information based on a time indicated in the operation information, target period operation information indicating operation information of the operating device during the predetermined period; determining the work area based on the target period operation information; The farmland management method according to claim 1, further comprising:

3. The extracting of the target period operation information includes: Extracting the target period operation information indicating that post-harvest work was performed in the field from the operation information. The farmland management method according to claim 2, further comprising:

4. Determining the working area comprises: extracting, from the operation information based on the operation information, plowing operation information indicating that the working device has performed the plowing operation; determining the work area based on the plowing operation information; The farm land management method according to any one of claims 1 to 3, comprising:

5. The extracting of the plowing operation information includes: extracting, from the operation information based on the operation information, work operation information indicating that the work device is performing work after harvesting; extracting the plowing operation information from the work operation information based on the speed of the work implement represented in the operation information; The farmland management method according to claim 4, further comprising:

6. The extracting of the plowing operation information includes: Extracting the work operation information from the operation information based on a trajectory of the work implement represented in the operation information. The farmland management method according to claim 5, further comprising:

7. The predetermined period represents autumn. The farm land management method according to any one of claims 1 to 3.

8. Determining the amount of straw plowed in the plow operation in the field based on operation information of a harvester that has harvested in the field. The farm land management method according to claim 1 , further comprising:

9. The area information indicates the area of ​​the work area. The farm land management method according to any one of claims 1 to 3.

10. Displaying the area information. The farm land management method according to claim 1 , further comprising:

11. an area determination unit that determines a work area in which plowing work has been performed during a predetermined period based on operation information of a work device that performs work in a farm field; an output unit that outputs area information regarding the work area; A farm management system comprising:

12. determining a work area in which plowing work has been performed during a predetermined period based on operation information of a work implement performing work in the farm field; outputting area information relating to the working area; A farm field management program that causes a computing device to execute the above.

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