Agricultural management systems and harvesting machines

Abstract

This provides an agricultural management system that enables appropriate grain management regardless of whether or not moisture measurement data is available in the harvested crop information obtained from the harvesting machine. [Solution] The agricultural management system includes a harvested grain information storage unit 52 that stores harvested grain information including the harvested mass of harvested grains harvested by the harvester 3, a data attribute determination unit 53 that determines whether the harvested grain information is accompanied by the measured moisture content of the harvested grains, a yield calculation unit 54 that calculates the yield based on the harvested grain information, and a display control unit 55 that, when displaying the harvested grain information on a display device, displays it in a first display mode if the harvested grain information to which the harvested mass belongs is accompanied by the measured moisture content, and in a second display mode different from the first display mode if the harvested grain information to which the harvested mass belongs is not accompanied by the measured moisture content.

Description

Technical Field

[0001] The present invention relates to an agricultural management system for managing harvested grain information of harvested grains by a harvesting machine, and a harvesting machine for such an agricultural management system.

Background Art

[0002] The management server disclosed in Patent Document 1 includes a storage unit that stores various information related to a farmland, a harvested product information acquisition unit, a harvested product evaluation unit, and a display data generation unit. The harvested product information acquisition unit acquires, as harvested product information, the mass, moisture value, and yield of grains in a grain tank from a combine, which is a harvesting machine, for each farmland and stores them in the storage unit. The harvested product evaluation unit evaluates the quality of the harvested product for each farmland based on the moisture value of the harvested product, the ratio of broken rice, the moisture value of the grains at the end of drying in a dryer, etc., and stores the evaluation result in the storage unit. The display data generation unit reads out the evaluation result, etc. from the storage unit and generates display data for displaying the evaluation result on a display unit of a user terminal, etc.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] The management server described in Patent Document 1 has the function of evaluating harvested crops based on harvested crop information acquired from the harvester and displaying the evaluation results. As a prerequisite for performing such a function, the harvester used in this document is equipped with a function to measure the mass of grain stored in the grain tank and a function to measure the moisture content of the grain. However, currently, although most harvesters have a function to measure the mass of harvested crops, the function to measure the moisture content of harvested crops is an optional function, and only a limited number of harvesters have this function. For this reason, there are many fields that cannot be evaluated by the management server described in Patent Document 1, or where evaluation is time-consuming. This is because if the moisture content of the harvested crop is undetermined, the mass of the harvested crop, and therefore the yield, becomes a provisional yield, and in order to make an accurate farming plan, it is necessary to calculate the yield using the moisture content (moisture content) obtained in subsequent processes of the harvested crop.

[0005] In view of the above circumstances, the object of the present invention is to provide an agricultural management system that enables appropriate grain management regardless of whether or not there is measurement data regarding moisture content in the harvested product information obtained from the harvesting machine. [Means for solving the problem]

[0006] The agricultural management system according to the present invention includes: a harvested grain information storage unit that stores harvested grain information including the harvested mass of harvested grains harvested by a harvesting machine; a data attribute determination unit that determines whether the measured moisture content of the harvested grains is associated with the harvested grain information; a yield calculation unit that calculates the yield based on the harvested mass; and a display control unit that, when displaying the harvested grain information on a display device, displays it in a first display mode if the measured moisture content is associated with the harvested grain information to which the harvested mass belongs, and in a second display mode different from the first display mode if the measured moisture content is not associated with the harvested grain information to which the harvested mass belongs.

[0007] If harvested grain information includes harvested mass and measured moisture content, the yield, which is the mass of harvested grain at the time of drying, can be accurately calculated based on the harvested mass and measured moisture content. If the harvested grain information does not include measured moisture content, the yield will be estimated from the harvested mass. With this configuration, the way the harvested grain information is displayed on the display device differs depending on whether the harvested grain information obtained from the harvester includes harvested mass and measured moisture content or not. Therefore, the user can immediately understand whether the displayed yield is accurate or a provisional yield (which may be harvested mass) that needs to be recalculated later. This allows the user to manage agriculture flexibly and appropriately.

[0008] The yield calculated by the yield calculation unit based on the harvested mass and moisture content represents the accurate yield in the field. If such yields are associated with the harvest information of the corresponding field, the user can then check the accurate yield history when planning farming for that field. For this reason, the present invention proposes that the yield calculated by the yield calculation unit be stored in the harvested grain information storage unit so as to be associated with the harvested grain information to which the corresponding harvested mass belongs.

[0009] The yield, which is the amount of harvested grain calculated using the measured moisture content from the harvested mass, is important for planting plans that determine the planting amount and fertilizer application amount for the field. Due to the screen size of the display device, the main screen during farming planning displays the harvested mass or yield as mass for each field. In this case, it is preferable to be able to determine whether the displayed mass is the yield adjusted using the measured moisture content or the harvested mass that has not been adjusted using the measured moisture content. In particular, when only the harvested mass is displayed for each field, it is preferable to be able to determine whether the accurate yield calculated using the measured moisture content from the displayed harvested mass can be displayed. For this reason, the present invention proposes that when the measured moisture content is stored in the harvested grain information storage unit so as to be associated with the harvested grain information corresponding to the measured moisture content, the estimated yield is calculated based on the harvested mass and the moisture content, and this yield is displayed on the display device in the first display mode.

[0010] Therefore, if the harvested grain information obtained from the harvesting machine does not include the measured moisture content, it is preferable that the measurement results of a measurement related to the grain moisture content in a subsequent process of the harvested grain can be used to calculate an accurate yield. For example, in the drying process in which the harvested grain is dried, a measurement related to the grain moisture content is performed. Thus, in the present invention, if the harvested grain information to which the harvested mass belongs does not include the measured moisture content, it is proposed that the measured moisture content obtained from the dryer used to dry the harvested grain be stored in the harvested grain information storage unit.

[0011] Harvesting machines include those equipped with a moisture meter capable of measuring moisture content and those without a moisture meter. Furthermore, in the case of large field areas, harvesting may be carried out collaboratively using both harvesting machines equipped with and without moisture meters in the same field. Alternatively, it is conceivable that in some years the same field is harvested only with harvesting machines equipped with moisture meters, and in other years it is harvested only with harvesting machines without moisture meters. In such cases, it is preferable to reuse the measured moisture content obtained from the harvesting machine equipped with a moisture meter when the field is harvested only with the harvesting machine without a moisture meter. Therefore, in the present invention, if the harvester is a harvester equipped with a moisture meter capable of measuring the actual moisture content, the harvested grain information, including the harvested mass and the actual moisture content obtained from the harvester equipped with a moisture meter, is stored in the harvested grain information storage unit. If the harvester is a harvester without a moisture meter, the actual moisture content obtained from the harvester equipped with a moisture meter performing harvesting work in the same field or a similar field is used as the actual moisture content of the harvested grain information obtained from the harvester without a moisture meter.

[0012] As a solution to the problem of moisture content in harvesters without moisture meters, it is also preferable to calculate the yield using a pre-set virtual value, that is, a default value as a provisional measured moisture content. By setting the growth conditions in the same or similar fields as parameters for determining the default value, it is possible to estimate a fairly accurate measured moisture content, and it is preferable to use this estimated provisional measured moisture content as the default value (also called a pseudo-moisture content). Therefore, in this invention, if the harvester is a harvester without a moisture meter that does not have a moisture meter capable of measuring the measured moisture content, it is proposed that the harvested grain information obtained from the harvester without a moisture meter be accompanied by a default value as the measured moisture content.

[0013] In this invention, the subject of invention is not only the agricultural management system described above, but also a harvesting machine that provides the harvested grain information described above to this field work management system. Furthermore, such a field work vehicle can be equipped with the agricultural management system described above or can be linked with the dedicated agricultural management system described above via a data communication line. [Brief explanation of the drawing]

[0014] [Figure 1] This is a schematic diagram illustrating the general outline of an agricultural management system. [Figure 2] This is a functional block diagram showing an example of the functional components that make up an agricultural management system and the flow of information between them. [Figure 3] This is a screen diagram of a display device that shows the harvest yield per field when the harvested grain information is accompanied by the measured moisture content. [Figure 4] This is a screen view of a display device that shows the harvest yield per field when the harvested grain information does not include the measured moisture content. [Figure 5] This is a functional block diagram showing another embodiment of the flow of information between the functional components that make up the agricultural management system. [Figure 6] This is a screen diagram of a display device that shows the harvest yield per field when harvested grain information is accompanied by either measured or estimated moisture content. [Figure 7] This is a screen diagram of a display device that shows the harvest yield per field when the harvested grain information does not include the measured or estimated moisture content. [Modes for carrying out the invention]

[0015] Embodiments for carrying out the present invention will be described with reference to the drawings.

[0016] [Overview of the agricultural management system] Fig. 1 shows an overview of the agricultural management system. As shown in Fig. 1, the agricultural management system includes an agricultural management server 1, a user terminal 2, a harvester 3, a drying facility 7 where a dryer 70 is installed, a quality control machine 8 that measures and sorts the quality of harvested grains, and so on.

[0017] As the harvester 3, in this embodiment, a combine that cuts rice and wheat in the field to obtain harvested grains is handled, but not only the combine but also a harvester 3 that harvests other crops may be used. Further, the harvester 3 is divided into a harvester 3A with a moisture measuring device equipped with a moisture measuring device 4 for measuring the moisture content of the harvested grains and a harvester 3B without a moisture measuring device not equipped with the moisture measuring device 4. The moisture content measured by such a moisture measuring device 4 is referred to as the actually measured moisture content.

[0018] The harvester 3 also includes traveling equipment related to traveling, harvesting equipment related to harvesting, an on-vehicle harvesting mass measuring device 31 that measures the harvesting mass of harvested grains, an on-vehicle terminal 32 and an on-vehicle display device 33 (an example of the display device 6) that can perform data communication with the agricultural management server 1.

[0019] The harvester 3 sends the harvesting mass obtained by the on-vehicle harvesting mass measuring device 31 to the agricultural management server 1 as one piece of data included in the harvested grain information. The harvested grain information includes field data related to the field that is the work target. The harvesting mass may be the harvesting mass per unit area in the field specified by the field data or the harvesting mass of the entire field. In any case, the harvesting mass of the harvested grains in a specific field can be obtained from the harvested grain information.

[0020] Furthermore, when the harvester 3 is a harvester 3A with a moisture measuring device, the actually measured moisture content of the harvested grains measured by the moisture measuring device 4 is added to the harvested grain information. On the other hand, when the harvester 3 is a harvester 3B without a moisture measuring device, the actually measured moisture content of the harvested grains is missing from the harvested grain information.

[0021] User terminal 2 is a device owned by the farming user, such as a personal computer, tablet, or smartphone. In this embodiment, a personal computer is assumed to be user terminal 2. User terminal 2 is connected to the agricultural management server 1 in a communicative manner. User terminal 2 includes a terminal display device 21 (an example of display device 6) capable of displaying various information, and an input device 22 into which the farming user can input various operations. The terminal display device 21 is, for example, a display or a touch panel. The input device 22 is, for example, a keyboard, mouse, or touch panel. In addition, the farming user can not only receive harvested grain information from the agricultural management server 1 through user terminal 2, but can also send harvested grain information to the agricultural management server 1.

[0022] The drying facility 7 is equipped with one or more dryers 70 and a facility terminal 71. The dryer 70 is equipped with a dryer moisture meter 72 that measures the moisture content of the harvested grains fed into the dryer 70. The facility terminal 71 can communicate data with the agricultural management server 1 and further calculates the measured moisture content, which is the moisture content before drying, and the target moisture content (moisture content at the end of drying), which is the moisture content after drying, based on the measurement results of the dryer moisture meter 72. Therefore, the agricultural management server 1 can generate harvested grain information that relates the measured moisture content and target moisture content measured by the dryer moisture meter 72 to field data.

[0023] The quality control machine 8 is a grain quality control machine, for example, known as a color sorter, which evaluates the reflected and transmitted light of a light beam irradiated onto the flowing grains and removes defective grains. At the same time, the moisture content of the grains can also be measured, and the control terminal 80 of the quality control machine 8 sends the measured actual moisture content, along with field data of the field where the grains being evaluated for quality were harvested, to the agricultural management server 1, in addition to the harvested grain information.

[0024] The agricultural management server 1, user terminal 2, harvesting machine 3, drying facility 7, and quality control machine 8 are each equipped with data communication functions and can exchange information (data) with at least the agricultural management server 1 via a data communication line or the like.

[0025] The agricultural management server 1 processes the data contained in the harvested grain information for each field, converts the processing results into display data, and displays it on the server-side display device 57 (an example of display device 6). In response to requests from the user terminal 2, it also displays such display data on the user terminal 2's terminal display device 21 (an example of display device 6).

[0026] The agricultural management server 1 can be configured as a cloud computing system. Figure 2 shows a functional block diagram illustrating the functional units that implement the functions of the agricultural management server 1.

[0027] The agricultural management server 1 includes, as functional units particularly relevant to the present invention, a harvested grain information acquisition unit 51, a harvested grain information storage unit 52, a data attribute determination unit 53, a yield calculation unit 54, and a display control unit 55. Each functional unit is constructed using software (computer program), hardware, or both.

[0028] The harvested grain information acquisition unit 51 is the input unit for the agricultural management server 1 and acquires harvested grain information sent via data communication lines from the user terminal 2, the harvester with a moisture meter 3A, the harvester without a moisture meter 3B, the drying facility 7, the quality control machine 8, etc. Although not shown in the diagram, it is also possible to acquire harvested grain information sent via data communication lines from the quality control machine 8.

[0029] The harvested grain information storage unit 52 is the database unit of the agricultural management server 1 and stores the harvested grain information acquired by the harvested grain information acquisition unit 51. The data items of the harvested grain information managed by the harvested grain information storage unit 52 include field data, harvested mass, measured moisture content, yield, grain quality, etc. The field data includes a field ID that identifies the field, and through this field ID, various data related to the field, such as the field manager, field name, field location, field shape, and planting history, can be extracted.

[0030] The data attribute determination unit 53 acquires data from the harvested grain information storage unit 52, determines whether the measured moisture content of the harvested grain is associated with the harvested grain information for a specific field, and provides the determination result to the display control unit 55.

[0031] The yield calculation unit 54 calculates the yield based on the measured moisture content and the harvested mass. Harvested grains contain moisture, but the moisture content fluctuates depending on the weather and growing conditions at the time of harvest. In addition, harvested grains are dried to a predetermined moisture content, but their mass decreases during this process. Therefore, the yield calculation unit 54 uses the measured moisture content to estimate the yield, which is the mass at the time of drying, and stores it in the harvested grain information storage unit 52. The yield calculation unit 54 may also be configured to estimate the yield using the whole grain percentage in addition to the measured moisture content.

[0032] The display control unit 55 has a display data generation unit 56. The display control unit 55 receives display requests from external or internal sources (not shown), searches the data in the harvested grain information storage unit 52 using search conditions generated based on the display request, and receives the desired extracted data. The display data generation unit 56 generates display data suitable for the display device 6 based on the extracted data and the determination results from the data attribute determination unit 53. The display device 6 that receives the display data includes not only the server-side display device 57, but also terminal display devices 21 and in-vehicle display devices 33 that receive display data via the output unit of the agricultural management server 1.

[0033] The display control unit 55, or more essentially the display data generation unit 56, displays the yield on the display device 6 in a first display mode if the harvested grain information to which the harvested mass belongs is accompanied by an actual moisture content, and in a second display mode different from the first display mode if the harvested grain information to which the harvested mass belongs is not accompanied by an actual moisture content.

[0034] Examples of a first display mode and a second display mode, in which the yield of the selected field is displayed on the display device 6, will be explained using Figures 3 and 4.

[0035] In the example in Figure 3, a screen is shown displaying the yield of a selected or designated field, and a pop-up screen 61 appears for the suitable field: X (labeled Fx in Figure 3). The harvested grain information for field: X includes the measured moisture content, and the yield has been calculated, so this yield is displayed in the pop-up screen 61. This display format belongs to the first display format of the present invention. Furthermore, a pop-up screen 62 appears for another suitable field: Y (labeled Fy in Figure 3). The harvested grain information for field: Y does not include the measured moisture content, so the yield has not been calculated, and therefore the yield is not displayed in the pop-up screen 61 (labeled as unknown in Figure 3), but the harvested mass is displayed. This display format belongs to the second display format of the present invention. In addition, in this second display format, a caution mark 62a, which is an exclamation mark enclosed in a triangle, is also displayed as an icon to emphasize the difference from the first display format.

[0036] In the screen illustrating the yield of a selected or designated field, as shown in Figure 4, the area representing Field:X (labeled Fx in Figure 4) is drawn with a specific pattern or color, and the yield is displayed within or adjacent to that area (displayed within the area in Figure 4). The area representing Field:Y (labeled Fy in Figure 4) is drawn with a different pattern or color than the specific pattern, clearly indicating that the yield cannot be displayed. Furthermore, the numbers flash to show that the harvested mass is displayed instead of the yield.

[0037] The display method on this display device 6 allows for immediate confirmation of whether the harvested grain information for a specified field is accompanied by the measured moisture content, that is, whether the yield is displayed. In any case, since the yield or harvested mass is displayed, at least the approximate harvest amount can be visually confirmed.

[0038] Even if the actual moisture content cannot be obtained at the time of grain harvesting, it may be possible to obtain the actual moisture content in a later process of the harvested grain. For example, if the actual moisture content is attached to the harvested grain information from the quality control machine 8 or the facility terminal 71 of the drying facility 7, the actual moisture content is stored in the corresponding location in the harvested grain information storage unit 52. When the actual moisture content is stored, the data attribute determination unit 53 detects that a new actual moisture content has been stored, calculates the yield in the corresponding field using the actual moisture content, and stores it in the harvested grain information storage unit 52 so as to be attached to the corresponding harvested grain information. Once the yield is calculated, the display format of the harvested grain information is updated and displayed in the first display format described above.

[0039] Furthermore, while harvested grain information from harvesting operations using harvester 3B without a moisture meter does not include the measured moisture content, if harvester 3A with a moisture meter is performing harvesting operations in the same or a similar field at the same time, the measured moisture content obtained from harvester 3A is reused and treated as the measured moisture content of the harvested grain information from harvester 3B without a moisture meter. Therefore, when the data attribute determination unit 53 detects such a reusable measured moisture content, the yield to be associated with the harvested grain information from harvester 3B without a moisture meter is calculated using the measured moisture content and stored in the harvested grain information storage unit 52. Once the yield is calculated, the display format of the harvested grain information is updated and displayed in the first display format described above.

[0040] In this invention, "similar fields" include fields that share many common field conditions, such as having the same variety of harvested grain, the same planting and harvesting times, being geographically close, having the same water environment, and having the same weather. Since the groups of fields related as similar fields are described in the field data managed by the agricultural management server 1, similar fields can be easily identified from this field data.

[0041] Figure 5 shows a different information flow from the information flow through the functional components that make up the agricultural management system shown in Figure 2.

[0042] In the information flow shown in Figure 5, if harvester 3 is harvester 3B without a moisture meter, the harvested grain information lacks the measured moisture content of the harvested grains. Instead, a default value, which is a simulated moisture content, is attached. This simulated moisture content is a pre-set virtual value of the measured moisture content, and when calculated based on growing conditions in the same or similar field, it will be a value that closely resembles the measured moisture content. This simulated moisture content attached to the harvested grain information sent from harvester 3B without a moisture meter to agricultural management server 1 is stored in the harvested grain information storage unit 52 along with field data and harvested mass.

[0043] Furthermore, while harvested grain information from harvesting operations using harvester 3B without a moisture meter does not include the measured moisture content, if harvesting operations are being carried out by harvester 3A equipped with a moisture meter in a similar field, the measured moisture content obtained from harvester 3A may be treated as a similar moisture content rather than as the measured moisture content of the harvested grain information from harvester 3B without a moisture meter, and may be stored in the harvested grain information storage unit 52 along with field data and harvested mass.

[0044] As described above, in this embodiment, when a harvester 3A equipped with a moisture meter is performing harvesting work in the same field at the same time, the measured moisture content obtained from the harvester 3A equipped with a moisture meter was treated as the measured moisture content of the harvested grain information obtained from the harvester 3B without a moisture meter. However, even in this case, the harvesters 3 cannot be said to be the same, so the system may be configured so that the measured moisture content of the harvested grain information obtained from the harvester 3B without a moisture meter is treated as a similar moisture content of the harvested grain information obtained from the harvester 3B without a moisture meter.

[0045] If the harvested grain information is accompanied by a simulated moisture content, the yield calculation unit 54 calculates a simulated yield based on the simulated moisture content and the harvested mass, and stores it in the harvested grain information storage unit 52. The data attribute determination unit 53 retrieves data from the harvested grain information storage unit 52 and determines whether the harvested grain information for a specific field is accompanied by the measured simulated moisture content or a simulated moisture content of the harvested grain, and provides the determination result to the display control unit 55.

[0046] Figure 6 shows the display of harvested grain information for each selected field in the embodiment shown in Figure 5. In Figure 6, as in Figure 3, if the harvested grain information is accompanied by the measured moisture content, the yield is displayed in the first display mode described above. If the harvested grain information is not accompanied by the measured moisture content, the harvested mass is displayed in the second display mode instead of the unknown yield. However, if the harvested grain information is not accompanied by the measured moisture content but is accompanied by a simulated moisture content, although this is a display mode included in the second display mode of the present invention, it is displayed in a modified display mode (which can also be conveniently called the third display mode) as shown below, that is, in a form in which the simulated yield is displayed as the yield.

[0047] In the modified display configuration shown in Figure 6 (another example of the second display configuration, also referred to as the third display configuration), the simulated yield calculated using the simulated moisture content is displayed in a pop-up screen 63 that appears in the field: Z (labeled Fz in Figure 6). In this modified display configuration, a semi-warning mark 63a, which is an exclamation mark surrounded by an inverted triangle, is displayed to clearly distinguish it from the first display configuration (pop-up screen 61) and an example of the second display configuration (pop-up screen 62). Other display configurations of this modified display configuration are similar to those in Figure 4 and are shown in Figure 7. Here, on the screen displaying the yield of a selected or designated field, the section indicating field:Z (labeled Fz in Figure 7), where the simulated yield is displayed, is drawn with a different pattern or a different color than field:X (labeled Fx in Figure 4) and field:Y (labeled Fy in Figure 7), and the simulated yield is displayed within or near that section (in Figure 7, it is displayed within the section). In this case, to clearly indicate that it is a simulated yield, the simulated yield may be displayed using a different lighting method than field:Y, for example, by flashing with a longer lighting time. Furthermore, the harvested mass may also be displayed along with the simulated yield.

[0048] [Another embodiment] (1) In the above embodiment, the user terminal 2, harvester 3, drying facility 7, and quality control machine 8 are connected to the agricultural management server 1 in a way that allows them to communicate with each other. In addition to these, field work machines other than the harvester 3, drones, rice hullers, sorters, weighing machines, etc., may also be connected to the agricultural management server 1 in a way that allows them to communicate with each other.

[0049] (2) In the above embodiment, the harvester 3 according to the present invention was a combine harvester, but it may be replaced with other grain harvesters such as a corn harvester.

[0050] (3) In the above embodiment, the agricultural management server 1 and the harvesting machine 3 were distributed, but the agricultural management server 1 may be incorporated into the harvesting machine 3 at least partially, or the agricultural management server 1 may be incorporated into the user terminal 2 at least partially.

[0051] (4) The functional block diagrams shown in Figures 2 and 5 are primarily descriptive; each functional unit can be integrated with other functional units, and each functional unit can also be further subdivided.

[0052] (5) In the above embodiment, harvested grain information was generated for each field or for each field operation divided within the field. However, the field may be divided into multiple sections, and harvested grain information may be generated for each section. Furthermore, harvested grain information may be generated for each container used to temporarily store the harvested produce during harvesting. In this case, the harvested grain information generated in various units can be integrated in the agricultural management server 1.

[0053] (6) In the above embodiment, the harvest evaluation unit 41 evaluates the harvested produce for each field. In the present invention, the harvest evaluation unit 41 is not limited to evaluating the harvested produce for each field, as long as it evaluates the harvested produce for any unit. For example, the harvest evaluation unit 41 may evaluate the harvested produce for each container.

[0054] (7) In the above embodiment, the yield and harvested mass were displayed on the display device 6 in a manner in which a numerical value was assigned to each field on the map, but a tabular format or a text format may also be used. In that case as well, it is preferable that a warning mark 62a, a semi-warning mark 63a, or a mark with such intent be added to the locations where harvested mass or estimated yield is displayed instead of the actual yield, to indicate a display format different from the first display format. [Industrial applicability]

[0055] The present invention is applicable to an agricultural management system for managing harvested grain information of grains harvested by a harvesting machine, and to a harvesting machine incorporated into such an agricultural management system. [Explanation of Symbols]

[0056] 1: Agricultural management server 2: User terminal 3: Harvesting machine 3A: Harvester with moisture meter 3B: Harvester without moisture meter 4: Moisture meter 6: Display device 7: Drying facilities 8: Quality control machine 31: Vehicle-mounted harvest mass measuring instrument 32: In-vehicle terminals 41: Harvest Evaluation Department 51: Department for Acquiring Harvested Grain Information 52: Harvested Grain Information Storage Unit 53: Data attribute determination unit 54: Yield calculation unit 55: Display Control Unit 56: Display data generation unit 70: Dryer 72: Dryer moisture meter

Claims

1. A harvested grain information storage unit stores harvested grain information, including the harvested mass of the harvested grains harvested by the harvesting machine, A data attribute determination unit that determines whether the harvested grain information is accompanied by the measured moisture content of the harvested grain, A yield calculation unit that calculates the yield based on the harvested mass, When displaying the harvested grain information on a display device, a display control unit displays it in a first display mode if the measured moisture content is associated with the harvested grain information to which the harvested mass belongs, and in a second display mode different from the first display mode if the measured moisture content is not associated with the harvested grain information to which the harvested mass belongs. An agricultural management system equipped with [specific features / features].

2. The agricultural management system according to claim 1, wherein the yield calculated by the yield calculation unit is stored in the harvested grain information storage unit so as to be associated with the harvested grain information to which the corresponding harvested mass belongs.

3. The agricultural management system according to claim 2, wherein when the measured moisture content is stored in the harvested grain information storage unit in association with the corresponding harvested grain information, the yield is calculated based on the harvested mass and the measured moisture content, and the yield is displayed on the display device in the first display mode.

4. If the harvested grain information to which the harvested mass belongs is not accompanied by the measured moisture content, the measured moisture content obtained from the dryer used to dry the harvested grain is stored in the harvested grain information storage unit according to claim 3.

5. If the harvester is a harvester equipped with a moisture meter capable of measuring the actual moisture content, the harvested grain information, including the harvested mass and the actual moisture content obtained from the harvester equipped with a moisture meter, is stored in the harvested grain information storage unit. The agricultural management system according to claim 1, wherein, if the harvester is a harvester without a moisture meter, the measured moisture content obtained by the harvester equipped with a moisture meter performing harvesting work in the same field or a similar field is used as the measured moisture content of the harvested grain information obtained from the harvester without a moisture meter.

6. The agricultural management system according to claim 1, wherein if the harvester is a harvester without a moisture meter capable of measuring the actual moisture content, the harvested grain information obtained from the harvester without a moisture meter is accompanied by a default value as a pseudo moisture content.

7. A harvesting machine that provides harvested grain information to the agricultural management system according to any one of claims 1 to 6.

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