Corn-green manure-fertilizer integrated precision seeder device

Abstract

The invention discloses a corn-green manure-fertilizer integrated precision seeder device, which relates to the technical field of agricultural machinery, and comprises a walking mechanism, a rack is arranged at the rear end of the first direction of the walking mechanism, and a corn seed box, a green manure seed box, a fertilizer box and a carriage are fixed on the rack; a first corn furrow opener, a first fertilizer furrow opener, a first green manure furrow opener, a second green manure furrow opener, a second fertilizer furrow opener and a second corn furrow opener are sequentially arranged on the sliding frame in a sliding mode in the second direction, and all the furrow openers are connected with the rack through independent line spacing adjusting mechanisms; the furrow openers are different in furrow opening depth, corresponding eduction pipes are respectively fixed on the corn, fertilizer and green manure furrow openers, and discharge ports of the eduction pipes are all positioned on the rear sides of the corresponding furrow openers and are respectively connected with the corresponding box bodies through a corn seed sowing device, a fertilizer sowing device and a green manure seed sowing device. Synchronous, different-depth and row-aligning precise operation of three kinds of materials can be achieved, and the resource utilization efficiency and the operation quality are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of agricultural machinery, in particular to a corn-green manure-fertilizer integrated precision seeding machine device. BACKGROUND

[0002] Excessive fertilization, especially excessive nitrogen fertilization, is a common phenomenon in corn production in the field, which leads to soil fertility decline, low nutrient efficiency and low crop productivity, and poses a serious threat to soil quality and food production. Planting leguminous green manure is a key technical approach to improving nutrient use efficiency and crop yield in traditional agriculture, and has received widespread attention in recent years. The introduction of green manure into the farmland ecosystem will provide available nitrogen for crops, improve soil nutrients, and significantly improve the quality of cultivated land and crop yield.

[0003] In the current corn and green manure intercropping system, the seeding process mainly relies on: (1) manual step-by-step seeding: first, corn is seeded, and then green manure seeds and fertilizers are manually broadcasted, which is complicated, inefficient, and uneven in seeding; (2) ordinary seeder modification: some farmers try to use a corn seeder, and then use a green manure broadcaster or a fertilizer spreader, but there are problems such as mismatched equipment, repeated walking routes, compacted soil, inconsistent landing points of green manure seeds and fertilizers, and the inability to achieve wide-narrow row alternate seeding and precise positioning. And the existing seeding equipment has fixed row spacing and cannot be adjusted, which cannot meet the planting needs of adjusting the seeding row spacing of different regions and different green manure.

[0004] The most important disadvantage of the prior art is the inability to achieve simultaneous and precise seeding of corn, green manure seeds and fertilizers, resulting in low seeding efficiency, inconsistent plant spacing, and affecting intercropping symbiosis effect. There are also problems such as inconsistent seeding depth, improper distance between fertilizer and seeds, easy seed burning or nutrient competition, repeated soil compaction and energy consumption due to repeated entry of equipment, etc. SUMMARY

[0005] The purpose of the present application is to provide a corn-green manure-fertilizer integrated precision seeding machine device to solve the problems existing in the prior art and achieve simultaneous, different-depth and row-precise operation of the three materials, improve resource utilization efficiency and operation quality, and be easy to operate, suitable for large-scale popularization and application.

[0006] To achieve the above purpose, the present application provides the following solutions: The application provides a corn-green manure-fertilizer integrated precision seeding machine device, which comprises a walking mechanism, a first direction of the walking mechanism, a second direction perpendicular to the first direction and a vertical direction, a rack arranged at the rear end of the walking mechanism in the first direction, a corn seed box, a green manure seed box and a fertilizer box fixed on the rack, a sliding frame fixed on the rack, a first corn opener, a first fertilizer opener, a first green manure opener, a second green manure opener, a second fertilizer opener and a second corn opener sequentially and slidably arranged on the sliding frame in the second direction, each of the corn openers, the green manure openers and the fertilizer openers being connected with the rack through independent row spacing adjusting mechanisms, the row spacing adjusting mechanisms being used to drive the corn openers, the green manure openers and the fertilizer openers to move along the second direction on the rack, the corn openers, the fertilizer openers and the green manure openers having different furrowing depths, a corn seed guide pipe fixed on the corn opener, an outlet of the corn seed guide pipe being located at the rear side of the corn opener in the first direction, the corn seed guide pipe being connected with the corn seed box through a corn seed sowing device, the corn seed sowing device being fixed on the rack, a fertilizer guide pipe fixed on the fertilizer opener, an outlet of the fertilizer guide pipe being located at the rear side of the fertilizer opener in the first direction, the fertilizer guide pipe being connected with the fertilizer box through a fertilizer sowing device, the fertilizer sowing device being fixed on the rack, and a green manure seed guide pipe fixed on the green manure opener, an outlet of the green manure seed guide pipe being located at the rear side of the green manure opener in the first direction, the green manure seed guide pipe being connected with the green manure seed box through a green manure seed sowing device, the green manure seed sowing device being fixed on the rack.

[0007] Preferably, the corn seed guide pipe, the fertilizer guide pipe and the green manure seed guide pipe are connected with the corn seed sowing device, the fertilizer sowing device and the green manure seed sowing device through bellows, one end of the bellows being rotatably connected with the corn seed guide pipe, the fertilizer guide pipe or the green manure seed guide pipe around a vertical axis.

[0008] Preferably, the rotating joint comprises an outer pipe, a bearing and a rotating core pipe, one end of the outer pipe being fixedly connected with the outer ring of the bearing, the other end of the outer pipe being fixedly connected with the upper end of the corn seed guide pipe, the fertilizer guide pipe or the green manure seed guide pipe, one end of the rotating core pipe being fixedly connected with the inner ring of the bearing, and the other end of the rotating core pipe being fixedly connected with the outlet of the corn seed sowing device, the fertilizer sowing device or the green manure seed sowing device.

[0009] Preferably, the distance between the two rows of corn corresponding to the two corn seed outlet tubes on the frame is 80cm~100cm; the distance between the outer corn seed outlet tube in the single-trip operation state and the adjacent corn seed outlet tube in the return operation state is 25cm~35cm.

[0010] Preferably, the ditching depth of the corn ditcher is 8cm to 10cm; the ditching depth of the green manure ditcher is 3cm to 5cm.

[0011] Preferably, the system further includes a controller, which is communicatively connected to each of the line spacing adjustment mechanisms; the line spacing adjustment mechanism is a telescopic mechanism, and a displacement sensor is provided on the telescopic mechanism; each of the displacement sensors is communicatively connected to the controller.

[0012] Preferably, the green manure seed metering device is an external groove wheel seed metering device or a centrifugal seed metering device.

[0013] Preferably, the corn seed metering device, the fertilizer metering device, and the green manure seed metering device are all communicatively connected to the controller, and the controller is communicatively connected to the vehicle speed sensor, which is used to monitor the walking speed of the walking mechanism.

[0014] Preferably, in the first direction, a pressing mechanism is provided on the rear side of the frame, and the pressing mechanism is located on the rear side of each of the corn furrow openers, each of the fertilizer furrow openers and each of the green manure furrow openers.

[0015] Preferably, the corn seed metering device is an air-suction seed metering device or a finger-clamp seed metering device.

[0016] The present invention achieves the following technical effects compared to the prior art: The integrated precision seeder for corn, green manure, and fertilizer provided by this invention integrates a corn seed box, a green manure seed box, and a fertilizer box into a frame, along with corresponding corn furrow openers, fertilizer furrow openers, green manure furrow openers, corn seed metering devices, fertilizer metering devices, and green manure seed metering devices. This achieves simultaneous and precise sowing of corn, green manure, and fertilizer, eliminating the need for manual step-by-step sowing and the step-by-step operation mode of ordinary modified seeders. It avoids soil compaction and increased energy consumption caused by repeated equipment entry into the field, while ensuring precise and consistent landing points for all three components, enhancing the intercropping symbiotic effect. The furrow openers on the carriage are arranged sequentially along the second direction, and each corn furrow opener, green manure furrow opener, and fertilizer furrow opener is independently... The row spacing adjustment mechanism is connected to the frame, which can drive the corresponding furrow opener to move in the second direction, breaking through the limitations of the fixed row spacing of existing equipment and adapting to the planting needs of different regions and different green manure sowing row spacings. The furrow opening depths of the corn furrow opener, fertilizer furrow opener and green manure furrow opener are different. Combined with the design that the outlet of each outlet pipe is located on the rear side of the corresponding furrow opener, the burial depth and relative distance of seeds and fertilizers can be precisely controlled, effectively avoiding the problem of seed burning or nutrient competition caused by improper distance between fertilizer and seeds. Ultimately, it can achieve synchronous, precise and row-to-row sowing of the three materials, improve resource utilization efficiency and operation quality, and achieve the goals of improving sowing efficiency, ensuring intercropping symbiosis and promoting nitrogen reduction and efficiency. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of the integrated precision seeder device for corn-green manure-fertilizer provided by the present invention. Figure 2 This is a schematic diagram of the field planting mode of intercropping corn with green manure provided by the precision seeder device integrating corn-green manure-fertilizer of the present invention.

[0019] In the diagram: 1-Frame; 2-Corn seed box; 3-Green manure seed box; 4-Fertilizer box; 5-Corn furrow opener; 6-Green manure furrow opener; 7-Fertilizer furrow opener; 8-Slide frame; 9-Corn seed outlet pipe; 10-Fertilizer outlet pipe; 11-Green manure seed outlet pipe; 12-Corn seed metering device; 13-Fertilizer metering device; 14-Green manure seed metering device; 15-Rotary joint; 16-Pressure pressing mechanism. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] The purpose of this invention is to provide an integrated precision seeder for corn, green manure, and fertilizer to solve the problems existing in the prior art, achieve synchronous, deep, and row-to-row precision operation of the three materials, improve resource utilization efficiency and operation quality, and is easy to operate and suitable for large-scale promotion and application.

[0022] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Example 1 This embodiment provides a precision seeder device integrating corn-green manure-fertilizer, such as... Figures 1-2 As shown, it includes: The traveling mechanism has a first direction of travel and a second direction that is perpendicular to both the first direction and the vertical direction. The frame 1 (serving as the support structure for each part, its front end is connected to the traveling mechanism via suspension, which can be a tractor) is located at the rear end of the traveling mechanism in the first direction; the frame 1 is fixed with a corn seed box 2, a green manure seed box 3, and a fertilizer box 4 (the three boxes can be set reasonably according to actual needs, and all are fixed to the frame 1; the width of the boxes can also be set reasonably according to actual needs, such as setting it to the same width as the entire device); the frame 1 is fixed with a slide 8, and the slide 8 is slidably arranged in the second direction with the first corn furrow opener 5, the first fertilizer furrow opener 7, the first green manure furrow opener 6, the second green manure furrow opener 6, the second fertilizer furrow opener 7, and the second corn furrow opener 5; each corn furrow opener 5, each green manure furrow opener 6, and each fertilizer furrow opener 7 is connected to the frame 1 through an independent row spacing adjustment mechanism, which is used to drive them to move along the second direction on the frame 1; The ditching depths of corn ditch opener 5, fertilizer ditch opener 7, and green manure ditch opener 6 are different. A corn seed outlet pipe 9 is fixed on the corn furrow opener 5; in the first direction, the outlet of the corn seed outlet pipe 9 is located on the rear side of the corn furrow opener 5; the corn seed outlet pipe 9 is connected to the corn seed box 2 through a corn seed metering device 12, which is fixed on the frame 1. A fertilizer outlet pipe 10 is fixed on the fertilizer ditch opener 7; in the first direction, the outlet of the fertilizer outlet pipe 10 is located on the rear side of the fertilizer ditch opener 7; the fertilizer outlet pipe 10 is connected to the fertilizer box 4 through a fertilizer discharger 13, which is fixed on the frame 1. A green manure seed outlet pipe 11 is fixed on the green manure furrow opener 6; in the first direction, the outlet of the green manure seed outlet pipe 11 is located on the rear side of the green manure furrow opener 6; the green manure seed outlet pipe 11 is connected to the green manure seed box 3 through a green manure seed metering device 14, which is fixed on the frame 1.

[0024] The frame 1 integrates corn seed box 2, green manure seed box 3, and fertilizer box 4, along with corresponding corn furrow opener 5, fertilizer furrow opener 7, green manure furrow opener 6, corn seed metering device 12, fertilizer metering device 13, and green manure seed metering device 14. This enables simultaneous and precise sowing of corn, green manure, and fertilizer, eliminating the need for manual step-by-step sowing and the step-by-step operation mode of ordinary modified seeders. It avoids soil compaction and increased energy consumption caused by repeated equipment entry into the field, while ensuring precise and consistent landing points for all three, thus enhancing the intercropping symbiotic effect. The furrow openers on the carriage 8 are arranged sequentially along the second direction, and each corn furrow opener 5, green manure furrow opener 6, and fertilizer furrow opener 7 is controlled by an independent row spacing adjustment mechanism. The structure is connected to the frame 1 and can drive the corresponding furrow opener to move along the second direction, breaking through the limitations of the fixed row spacing of existing equipment and adapting to the planting needs of different regions and different green manure sowing row spacings. The furrow opening depths of corn furrow opener 5, fertilizer furrow opener 7 and green manure furrow opener 6 are different. Combined with the design that the outlet of each outlet pipe is located on the rear side of the corresponding furrow opener, the burial depth and relative distance of seeds and fertilizer are precisely controlled, effectively avoiding the problem of seed burning or nutrient competition caused by improper distance between fertilizer and seeds. Ultimately, it can achieve synchronous, precise, and row-to-row sowing of the three materials, improve resource utilization efficiency and operation quality, and achieve the goals of improving sowing efficiency, ensuring intercropping symbiosis, and promoting nitrogen reduction and efficiency.

[0025] The connection settings between the seed metering device / fertilizer metering device 13 and the outlet pipe are as follows: Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 As shown, the corn seed outlet tube 9 is connected to the corn seed metering device 12, the fertilizer outlet tube 10 is connected to the fertilizer metering device 13, and the green manure seed outlet tube 11 and the green manure seed metering device 14 are all connected by corrugated pipes; one end of the corrugated pipe is rotatably connected to the corn seed outlet tube 9, the fertilizer outlet tube 10 or the green manure seed outlet tube 11 around the vertical axis through a rotary joint 15.

[0026] In the optional solutions of this embodiment, the rotary joint 15 includes an outer tube, a bearing, and a rotary core tube; one end of the outer tube is fixedly connected to the outer ring of the bearing, and the other end of the outer tube is fixedly connected to the upper end of the corn seed outlet tube 9, the fertilizer outlet tube 10, or the green manure seed outlet tube 11; one end of the rotary core tube is fixedly connected to the inner ring of the bearing, and the other end of the rotary core tube is fixedly connected to the outlet of the corn seed metering device 12, the fertilizer metering device 13, or the green manure seed metering device 14.

[0027] The following is a description of how this device can achieve both wide-row and narrow-row planting of corn: Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 As shown, the distance between the two rows of corn corresponding to the two corn seed outlet tubes 9 on the frame 1 is 80cm~100cm; the distance between the outer corn seed outlet tube 9 in the single-trip operation state and the adjacent corn seed outlet tube 9 in the return operation state is 25cm~35cm.

[0028] The following are the settings instructions for the trencher: In the optional schemes of this embodiment, it is more preferred that the ditching depth of the corn ditch opener 5 is 8cm~10cm; and the ditching depth of the green manure ditch opener 6 is 3cm~5cm.

[0029] Specifically, the corn furrow opener 5 performs deep furrowing to ensure that the corn seeds are sown on moist soil; the green manure furrow opener 6 performs shallow furrowing to meet the germination needs of the green manure seeds; and the fertilizer furrow opener 7 performs deep furrowing, usually deeper than the seeds, staggered with the seed row, to achieve staggered deep application of seeds and fertilizers and avoid burning the seeds.

[0030] Regarding the seed metering device / fertilizer metering device 13: In the optional schemes of this embodiment, the green manure seed metering device 14 is preferably an external groove wheel seed metering device or a centrifugal seed metering device.

[0031] In the optional schemes of this embodiment, the corn seed metering device 12 is preferably an air suction seed metering device or a finger clamp seed metering device.

[0032] Specifically, the fertilizer discharge device 13 can be a star wheel type fertilizer discharge device 13.

[0033] The following are explanations regarding the various automation settings: In the optional solutions of this embodiment, a more preferred option is to include a controller, which is communicatively connected to each line spacing adjustment mechanism; the line spacing adjustment mechanism is a telescopic mechanism, and a displacement sensor is provided on the telescopic mechanism; each displacement sensor is communicatively connected to the controller.

[0034] Specifically, through the setting of controllers, row spacing adjustment mechanisms, etc., automatic adjustment and operation monitoring can be achieved, and the operation is simple.

[0035] Specifically, the sliding connection between each corn furrow opener 5, each fertilizer furrow opener 7, each green manure furrow opener 6 and the slide frame 8 can be a single slide rail, or a double slide rail, triple slide rail, or other sliding connection structure adopted to improve the stable operation of furrowing.

[0036] Specifically, the corn seed outlet tube 9 is fixed to the rear end of the corn furrow opener 5 (or fixed to the rear end of the corn furrow opener 5 via a fixing bracket) to guide the corn seeds discharged by the corn seed metering device 12 into the planting furrow opened by the corn furrow opener 5. A corrugated tube is used to achieve adaptive adjustment when adjusting the row spacing, and the end of the corrugated tube is connected to the corresponding corn seed outlet tube 9 through a rotary joint 15 to support 360° relative rotation. This can adapt to the reduction of obstruction to the seed flow space caused by the relative position change between the corrugated tube and the corn seed outlet tube 9 when adjusting the row spacing. In the vertical direction, the corn seed box 2 is higher than the height of the corn seed metering device 12, and the height of the corn seed metering device 12 is higher than the height of the corn furrow opener 5 and the corn seed outlet tube 9. The fertilizer outlet tube 10 and the green manure seed outlet tube 11 are similar, and will not be described in detail.

[0037] In the optional schemes of this embodiment, it is more preferred that the corn seed metering device 12, the fertilizer metering device 13 and the green manure seed metering device 14 are all connected to the controller, and the controller is connected to the vehicle speed sensor, which is used to monitor the walking speed of the walking mechanism.

[0038] Specifically, the drive systems of the corn seed metering device 12, fertilizer metering device 13, and green manure seed metering device 14 can all be set as electric control devices (such as motors, with an angle encoder to monitor the motor rotation speed, and the controller to control the motor rotation speed so that it matches the travel speed to achieve the best sowing effect). Their electric control devices are all connected to the controller.

[0039] Other related settings instructions: Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 As shown, in the first direction, a pressing mechanism 16 is provided on the rear side of the frame 1. The pressing mechanism 16 is located on the rear side of each corn furrow opener 5, each fertilizer furrow opener 7 and each green manure furrow opener 6.

[0040] Specifically, the compaction mechanism 16 is used to compact the soil after furrow sowing to ensure close contact between the seeds and the soil, which is conducive to germination. This is existing technology, and any existing compaction wheel or other equipment that meets its required function can be used, so it will not be described in detail.

[0041] Specifically, a wireless data transmission module can be integrated into the controller as needed for remote monitoring and management of data, which aligns with the trend of smart agriculture.

[0042] Specifically, the integrated precision seeder device for corn-green manure-fertilizer in this embodiment is particularly suitable for intercropping corn and green manure in plains, such as corn / cowpea, corn / round-leaf cassia, etc.

[0043] Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this invention. Furthermore, those skilled in the art will recognize that, based on the ideas of this invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this invention.

Claims

1. A precision seeder device integrating corn-green manure-fertilizer, characterized in that: include: The traveling mechanism has a first direction of travel and a second direction that is perpendicular to both the first direction and the vertical direction. A frame is disposed at the rear end of the walking mechanism in the first direction; a corn seed box, a green manure seed box, and a fertilizer box are fixed on the frame; a slide is fixed on the frame, and a first corn furrow opener, a first fertilizer furrow opener, a first green manure furrow opener, a second green manure furrow opener, a second fertilizer furrow opener, and a second corn furrow opener are sequentially slidably disposed on the slide in the second direction; each of the corn furrow openers, each of the green manure furrow openers, and each of the fertilizer furrow openers is connected to the frame through an independent row spacing adjustment mechanism, which is used to drive them to move along the second direction on the frame; The corn furrow opener, the fertilizer furrow opener, and the green manure furrow opener have different furrowing depths; A corn seed outlet tube is fixed on the corn furrow opener; in the first direction, the outlet of the corn seed outlet tube is located on the rear side of the corn furrow opener; the corn seed outlet tube is connected to the corn seed box through a corn seed metering device, which is fixedly mounted on the frame. A fertilizer outlet pipe is fixed on the fertilizer ditch opener; in the first direction, the outlet of the fertilizer outlet pipe is located on the rear side of the fertilizer ditch opener; the fertilizer outlet pipe is connected to the fertilizer box through a fertilizer discharge device, which is fixedly mounted on the frame. A green manure seed outlet tube is fixed on the green manure furrow opener; in the first direction, the outlet of the green manure seed outlet tube is located on the rear side of the green manure furrow opener; the green manure seed outlet tube is connected to the green manure seed box through a green manure seed metering device, which is fixedly mounted on the frame.

2. The integrated precision seeder for corn-green manure-fertilizer as described in claim 1, characterized in that: The corn seed outlet tube is connected to the corn seed metering device, the fertilizer outlet tube is connected to the fertilizer metering device, and the green manure seed outlet tube is connected to the green manure seed metering device via corrugated pipes. One end of the corrugated pipe is rotatably connected to the corn seed outlet pipe, the fertilizer outlet pipe, or the green manure seed outlet pipe around a vertical axis via a rotary joint.

3. The integrated precision seeder for corn-green manure-fertilizer as described in claim 2, characterized in that: The rotary joint includes an outer tube, a bearing, and a rotating core tube; one end of the outer tube is fixedly connected to the outer ring of the bearing, and the other end of the outer tube is fixedly connected to the upper end of the corn seed outlet tube, the fertilizer outlet tube, or the green manure seed outlet tube; one end of the rotating core tube is fixedly connected to the inner ring of the bearing, and the other end of the rotating core tube is fixedly connected to the outlet of the corn seed metering device, the fertilizer metering device, or the green manure seed metering device.

4. The integrated precision seeder for corn-green manure-fertilizer as described in claim 1, characterized in that: The distance between the two rows of corn corresponding to the two corn seed outlet tubes on the frame is 80cm~100cm; the distance between the outer corn seed outlet tube in the single-trip operation state and the adjacent corn seed outlet tube in the return operation state is 25cm~35cm.

5. The integrated precision seeder for corn-green manure-fertilizer as described in claim 1, characterized in that: The furrowing depth of the corn furrow opener is 8cm~10cm; the furrowing depth of the green manure furrow opener is 3cm~5cm.

6. The precision seeder device integrating corn-green manure-fertilizer as described in claim 1, characterized in that: It also includes a controller, which is communicatively connected to each of the line spacing adjustment mechanisms; the line spacing adjustment mechanism is a telescopic mechanism, and a displacement sensor is provided on the telescopic mechanism; each of the displacement sensors is communicatively connected to the controller.

7. The integrated precision seeder for corn-green manure-fertilizer as described in claim 1, characterized in that: The green manure seed metering device is either an external grooved wheel seed metering device or a centrifugal seed metering device.

8. The integrated precision seeder for corn-green manure-fertilizer as described in claim 6, characterized in that: The corn seed metering device, the fertilizer metering device, and the green manure seed metering device are all communicatively connected to the controller. The controller is communicatively connected to the vehicle speed sensor, which is used to monitor the walking speed of the walking mechanism.

9. The precision seeder device integrating corn-green manure-fertilizer according to claim 1, characterized in that: In the first direction, a pressing mechanism is provided on the rear side of the frame, and the pressing mechanism is located on the rear side of each of the corn furrow openers, each of the fertilizer furrow openers and each of the green manure furrow openers.

10. The precision seeder device integrating corn-green manure-fertilizer according to claim 1, characterized in that: The corn seed metering device is either an air-suction seed metering device or a finger-clamp seed metering device.

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