A nitrogen, phosphorus and potassium fertilizer application detection and discharge method and discharge device
Patent Information
- Application Number
- CN202610377834.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-03-25
- Publication Date
- 2026-06-19
Smart Images

Figure CN122228816A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of agricultural machinery technology, and in particular to a method and device for detecting emissions from nitrogen, phosphorus, and potassium fertilizer application. Background Technology
[0002] More fertilizer is not always better. Too much of a certain fertilizer can affect the plant's absorption of other elements. This is the downside of over-fertilizing. In addition to wasting fertilizer, it can also lead to a deficiency of other elements.
[0003] Applying too much or too little single-element fertilizer to crops not only wastes fertilizer and increases production costs, but also easily leads to a deficiency of one or more other nutrients. When fertilizing, it is necessary to consider the different nutrient requirements of crops and the soil's nutrient supply capacity, ensuring a balanced application of nutrients without imbalances. Summary of the Invention
[0004] The purpose of this invention is to provide a method and device for detecting nitrogen, phosphorus, and potassium fertilizer emissions, which can discharge nitrogen, phosphorus, and potassium fertilizers according to needs, ensuring that the nitrogen, phosphorus, and potassium content in the topsoil is within the most reasonable range.
[0005] To achieve the above objectives, the present invention provides a method for detecting emissions from nitrogen, phosphorus, and potassium fertilization, comprising the following steps: Step 1: Measure the nitrogen, phosphorus, and potassium content of the topsoil during tractor movement using an emission device; Step 2: The controller in the discharge device calculates the weight of nitrogen, phosphorus, and potassium fertilizer that needs to be discharged based on the standard nitrogen, phosphorus, and potassium content requirements of the soil. Step 3: The controller in the discharge device controls the operation of the nitrogen fertilizer discharger, phosphate fertilizer discharger, and potash fertilizer discharger to discharge the fertilizer. Step 4: Immediately discharge the mixed nitrogen, phosphorus, and potassium fertilizers into the soil.
[0006] Preferably, the controller in step two is a microcontroller controller or a PLC controller.
[0007] Preferably, the nitrogen fertilizer discharger, phosphate fertilizer discharger, and potassium fertilizer discharger in step three are all wheel-type fertilizer dischargers.
[0008] Preferably, in step four, the nitrogen fertilizer, phosphorus fertilizer, and potassium fertilizer are mixed and discharged in the fertilizer discharge pipe by a blower.
[0009] A nitrogen, phosphorus, and potassium fertilizer discharging device includes a tractor. A nitrogen fertilizer tank, a phosphate fertilizer tank, and a potassium fertilizer tank are sequentially arranged on the upper part of the tractor. The potassium fertilizer tank, phosphate fertilizer tank, and nitrogen fertilizer tank are arranged side by side. The nitrogen fertilizer tank, phosphate fertilizer tank, and potassium fertilizer tank are respectively connected to a nitrogen fertilizer discharger, a phosphate fertilizer discharger, and a potassium fertilizer discharger. The nitrogen fertilizer discharger, phosphate fertilizer discharger, and potassium fertilizer discharger are all connected to a fertilizer discharge pipe.
[0010] Preferably, one end of the fertilizer discharge pipe is provided with a fertilizer discharge port, which is set upwards, and the other end of the fertilizer discharge pipe is provided with a fan, which is connected to the controller.
[0011] Preferably, a GPS module is installed on the tractor. The GPS module is connected to the controller, which is connected to the nitrogen fertilizer discharger, phosphate fertilizer discharger, and potash fertilizer discharger. The potash fertilizer discharger, phosphate fertilizer discharger, and nitrogen fertilizer discharger are all driven by stepper motors.
[0012] Preferably, the front end of the tractor is equipped with a nitrogen content detector, a phosphorus content detector, and a potassium content detector.
[0013] Preferably, the tractor is equipped with a display that shows the nitrogen, phosphorus, and potassium content of the topsoil in real time as the implement moves, and the display is connected to the controller.
[0014] Therefore, the present invention employs the above-mentioned nitrogen, phosphorus, and potassium fertilizer detection and emission method and emission device to achieve real-time monitoring of the nitrogen, phosphorus, and potassium content in the topsoil and to discharge nitrogen, phosphorus, and potassium fertilizers as needed, ensuring that the nitrogen, phosphorus, and potassium content in the topsoil is within the most reasonable range, improving soil fertility, and ensuring the good development and growth of crops.
[0015] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of an embodiment of a nitrogen, phosphorus, and potassium fertilizer emission device according to the present invention; Figure Labels 1. Nitrogen fertilizer tank, 2. Phosphate fertilizer tank, 3. Potassium fertilizer tank, 4. Nitrogen fertilizer discharge device, 5. Phosphate fertilizer discharge device, 6. Potassium fertilizer discharge device, 7. Fan, 8. Discharge pipe, 9. Discharge port, 10. Tractor. Detailed Implementation
[0017] The technical solution of the present invention will be further described below with reference to the accompanying drawings and embodiments.
[0018] Unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0019] Example Please see Figure 1 This invention provides a method and device for detecting emissions from nitrogen, phosphorus, and potassium fertilizer application, comprising the following steps: Step 1: Measure the nitrogen, phosphorus, and potassium content of the topsoil during the tractor's movement.
[0020] Step 2: The controller calculates the required amount of nitrogen, phosphorus, and potassium fertilizer to be added based on the standard nitrogen, phosphorus, and potassium content requirements of the soil, and makes the additions based on empirical data, while keeping the total amount of nitrogen, phosphorus, and potassium fertilizer application unchanged.
[0021] Step 3: The controller controls the operation of nitrogen fertilizer discharge device 4, phosphate fertilizer discharge device 5 and potassium fertilizer discharge device 6, thereby controlling the discharge of fertilizer from nitrogen fertilizer tank 1, phosphate fertilizer tank 2 and potassium fertilizer tank 3.
[0022] Step 4: The mixed nitrogen, phosphorus, and potassium fertilizers are discharged into the soil in real time.
[0023] A nitrogen, phosphorus, and potassium fertilizer discharging device includes a tractor 10. A nitrogen fertilizer tank 1, a phosphate fertilizer tank 2, and a potassium fertilizer tank 3 are sequentially arranged on the upper part of the tractor 10. The potassium fertilizer tank 3, phosphate fertilizer tank 1, and nitrogen fertilizer tank 1 are arranged side-by-side. The nitrogen fertilizer tank 1, phosphate fertilizer tank 2, and potassium fertilizer tank 3 are respectively connected to nitrogen fertilizer dischargers 4, phosphate fertilizer dischargers 5, and potassium fertilizer dischargers 6. All three dischargers are connected to a discharge pipe 8. The nitrogen fertilizer dischargers 4, phosphate fertilizer dischargers 5, and potassium fertilizer dischargers 6 are wheel-type dischargers. By setting the nitrogen fertilizer dischargers 4, phosphate fertilizer dischargers 5, and potassium fertilizer dischargers 6 as wheel-type dischargers, the fertilizer discharging speed is fast, the processing cost is significantly reduced, and they are convenient to use and install.
[0024] One end of the fertilizer discharge pipe 8 is equipped with a fertilizer discharge port 9, which faces upwards. The other end of the fertilizer discharge pipe 8 is equipped with a blower 7, which is connected to a controller. The blower 7 is used to collect the fertilizer discharged from the nitrogen fertilizer discharger 4, the phosphate fertilizer discharger 5, and the potassium fertilizer discharger 6 and discharge them into the fertilizer discharge port 9 at the other end of the fertilizer discharge pipe 8. The blower 7 achieves uniform mixing of nitrogen fertilizer, phosphate fertilizer, and potassium fertilizer.
[0025] The GPS module is installed on the tractor 10 to monitor the tractor 10's running position in real time. The GPS module is connected to the controller, which is connected to the nitrogen fertilizer discharger 4, phosphate fertilizer discharger 5, and potash fertilizer discharger 6. The potash fertilizer discharger 6, phosphate fertilizer discharger 5, and nitrogen fertilizer discharger 4 are all driven by stepper motors. The GPS module is used to detect the travel speed of the fertilizer application machinery driven by the tractor 10 and transmit the machine's travel speed to the controller to control the rotation speed of the nitrogen fertilizer discharger 4, phosphate fertilizer discharger 5, and potash fertilizer discharger 6 to match the most suitable discharge amount of nitrogen fertilizer, phosphate fertilizer, and potash fertilizer.
[0026] The front end of the tractor 10 is equipped with nitrogen, phosphorus, and potassium content detectors. The nitrogen fertilizer discharger 4, phosphate fertilizer discharger 5, and potassium fertilizer discharger 6 are driven by stepper motors. By setting up these detectors, real-time monitoring of nitrogen, phosphorus, and potassium content is achieved; and by using stepper motors to drive the nitrogen fertilizer discharger 4, phosphate fertilizer discharger 5, and potassium fertilizer discharger 6, operation is more stable.
[0027] The tractor 10 is equipped with a display screen that shows the nitrogen, phosphorus, and potassium content of the topsoil in real time as the implement moves. This display screen enables real-time display of nitrogen, phosphorus, and potassium content.
[0028] Therefore, the present invention employs the above-mentioned nitrogen, phosphorus, and potassium fertilizer detection and emission method and emission device to achieve real-time monitoring of the nitrogen, phosphorus, and potassium content in the topsoil and to discharge nitrogen, phosphorus, and potassium fertilizers as needed, ensuring that the nitrogen, phosphorus, and potassium content in the topsoil is within the most reasonable range, improving soil fertility, and ensuring the good development and growth of crops.
[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the technical solutions of the present invention, and these modifications or equivalent substitutions cannot cause the modified technical solutions to deviate from the spirit and scope of the technical solutions of the present invention.
Claims
1. A method for detecting emissions from nitrogen, phosphorus, and potassium fertilizer application, characterized in that, Includes the following steps: Step 1: Measure the nitrogen, phosphorus, and potassium content of the topsoil during tractor movement using an emission device; Step 2: The controller in the discharge device calculates the weight of nitrogen, phosphorus, and potassium fertilizer that needs to be discharged based on the standard nitrogen, phosphorus, and potassium content requirements of the soil. Step 3: The controller in the discharge device controls the operation of the nitrogen fertilizer discharger, phosphate fertilizer discharger, and potash fertilizer discharger to discharge the fertilizer. Step 4: Immediately discharge the mixed nitrogen, phosphorus, and potassium fertilizers into the soil.
2. The method for detecting emissions from nitrogen, phosphorus, and potassium fertilization according to claim 1, characterized in that: The controller in step two is a microcontroller controller or a PLC controller.
3. The method for detecting emissions from nitrogen, phosphorus, and potassium fertilization according to claim 2, characterized in that: The nitrogen fertilizer discharge device, phosphate fertilizer discharge device, and potash fertilizer discharge device in step three are all wheel-type fertilizer discharge devices.
4. The method for detecting emissions from nitrogen, phosphorus, and potassium fertilization according to claim 3, characterized in that: In step four, the nitrogen, phosphorus, and potassium fertilizers are mixed and discharged through a blower in the fertilizer discharge pipe.
5. A nitrogen, phosphorus, and potassium fertilizer emission device, employing the nitrogen, phosphorus, and potassium fertilizer emission detection method according to any one of claims 1-4, characterized in that: The tractor includes a nitrogen fertilizer tank, a phosphate fertilizer tank, and a potassium fertilizer tank arranged in sequence on its upper part. The potassium fertilizer tank, phosphate fertilizer tank, and nitrogen fertilizer tank are arranged side by side. The nitrogen fertilizer tank, phosphate fertilizer tank, and potassium fertilizer tank are respectively connected to the nitrogen fertilizer discharge device, phosphate fertilizer discharge device, and potassium fertilizer discharge device. The nitrogen fertilizer discharge device, phosphate fertilizer discharge device, and potassium fertilizer discharge device are all connected to the fertilizer discharge pipe.
6. The nitrogen, phosphorus, and potassium fertilizer discharge device according to claim 5, characterized in that: One end of the fertilizer discharge pipe is equipped with a fertilizer discharge port, which faces upwards. The other end of the fertilizer discharge pipe is equipped with a fan, which is connected to the controller.
7. A nitrogen, phosphorus, and potassium fertilizer discharge device according to claim 6, characterized in that: The tractor is equipped with a GPS module, which is connected to a controller. The controller is connected to nitrogen fertilizer dispensers, phosphate fertilizer dispensers, and potash fertilizer dispensers. All three fertilizer dispensers are driven by stepper motors.
8. The nitrogen, phosphorus, and potassium fertilizer discharge device according to claim 7, characterized in that: The front of the tractor is equipped with a nitrogen content detector, a phosphorus content detector, and a potassium content detector.
9. A nitrogen, phosphorus, and potassium fertilizer discharge device according to claim 8, characterized in that: The tractor is equipped with a display that shows the nitrogen, phosphorus, and potassium content of the topsoil in real time as the implement moves. The display is connected to the controller.
