CN113973559B - Intelligent fertilizing method and device - Google Patents
Intelligent fertilizing method and device Download PDFInfo
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- CN113973559B CN113973559B CN202111176468.2A CN202111176468A CN113973559B CN 113973559 B CN113973559 B CN 113973559B CN 202111176468 A CN202111176468 A CN 202111176468A CN 113973559 B CN113973559 B CN 113973559B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The invention provides an intelligent fertilizing method and device. Wherein the method comprises the following steps: s10, acquiring first soil data and first growth data of crops; s20, determining a first fertilization scheme based on the first soil data and the first growth data, wherein the first fertilization scheme comprises a first fertilizer ratio and a first fertilization amount; s30, acquiring second soil data and second growth data of crops in a first area in front of the fertilization operation; s40, correcting the first fertilization scheme based on the second soil data and the second growth data to obtain a second fertilization scheme, wherein the second fertilization scheme comprises a second fertilizer ratio and/or a second fertilization amount; and S50, executing the third fertilization scheme. The scheme of the invention intelligently determines the fertilization scheme based on the growth data and the soil data of the crops, and can obviously improve the crop yield.
Description
Technical Field
The invention relates to the technical field of intelligent agriculture, in particular to an intelligent fertilizing method and device.
Background
The chemical fertilizer is mainly divided into three types, namely nitrogen, phosphorus and potassium. The three fertilizers in the soil have a certain proportion, if the nitrogen fertilizer is excessive, the crops are greedy and late-maturing, and the growth period is prolonged; if the phosphate fertilizer is too much, the leaves of the crops can be yellowed, which is commonly called as 'seedling burning'; excessive potash fertilizer can cause crops to easily fall down, destroy the soil structure, cause soil hardening and the like. The traditional artificial fertilization mode is difficult to master the proportion and the fertilization amount of fertilization, which causes the extremely low utilization rate of the fertilizer and cannot play a reasonable growth promoting role.
With the development of science and technology, automatic fertilizing machines are gradually used, however, the proportion and the unit fertilizing amount of various fertilizers are generally determined manually, and the manual fertilizing process is simply replaced by automation. The fertilization scheme can not be timely adjusted according to the soil condition and the growth condition of crops in the fertilization process, and the fertilization process is not intelligent enough.
Therefore, the fertilization scheme of the fertilization device in the prior art is fixed, is difficult to adapt to different growth conditions of action, and can not effectively improve the yield of crops.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides an intelligent fertilization method, an intelligent fertilization device, electronic equipment and a storage medium, so as to realize the intellectualization of fertilization operation.
The invention provides an intelligent fertilization method, which comprises the following steps:
s10, acquiring first soil data and first growth data of crops;
s20, determining a first fertilization scheme based on the first soil data and the first growth data, wherein the first fertilization scheme comprises a first fertilizer ratio and a first fertilization amount;
s30, acquiring second soil data and second growth data of crops in a first area in front of the fertilization operation;
s40, correcting the first fertilization scheme based on the second soil data and the second growth data to obtain a second fertilization scheme, wherein the second fertilization scheme comprises a second fertilizer ratio and/or a second fertilization amount;
and S50, executing the third fertilization scheme.
Optionally, the first soil data and the first growth data of the crop are obtained by a distributed monitoring device and/or a mobile monitoring device.
Optionally, in step S20, the determining a first fertilization scheme based on the first soil data and the first growth data includes:
based on the crop growth stage, standard growth characteristics, standard soil data and a standard fertilization scheme are obtained;
calculating a first difference degree between the first growth data and the standard growth characteristics, and if the first difference degree is smaller than or equal to a first threshold value, taking the standard fertilization scheme as the first fertilization scheme;
if the first difference degree is larger than a first threshold value, calculating a second difference degree between the first soil data and the standard soil data, and if the second difference degree is smaller than or equal to a second threshold value, taking the standard fertilization scheme as the first fertilization scheme; if the second degree of difference is greater than a second threshold, a first fertilization protocol will be determined based on the second degree of difference and the standard fertilization protocol.
Optionally, third growth data of the current fertilization operation area are obtained, a third difference degree between the third growth data and the first growth data is calculated, and the size of the first area is determined based on the third difference degree;
wherein the size of the first region is inversely related to the third degree of difference.
Optionally, the second soil data and second growth data are obtained by a mobile monitoring device.
Optionally, in step S40, the modifying the first fertilization program based on the second soil data and the second growth data to obtain a second fertilization program includes:
performing fourth difference calculation on the second growth data and the first growth data, and if the fourth difference is smaller than or equal to a third threshold, not correcting the first fertilization scheme;
if the fourth difference degree is larger than a third threshold value, calculating a fifth difference degree between the second soil data and the first soil data, and if the fifth difference degree is smaller than or equal to the fourth threshold value, not correcting the first fertilization scheme; and if the fifth difference degree is larger than a fourth threshold value, correcting the first fertilization scheme based on the fifth difference degree to obtain a second fertilization scheme.
Optionally, the retrieving of standard growth characteristics, standard soil data, and standard fertilization schedules based on crop growth stages comprises:
determining a second region based on the growth phase;
obtaining the growth characteristics, soil data and fertilization schemes of the crops in the same growth stage in the second area;
clustering the growth characteristics, the soil data and the fertilization scheme respectively to obtain standard growth characteristics, standard soil data and a standard fertilization scheme;
and when the clustering processing is carried out, if the growing environment of the crops is a greenhouse, the clustering weight of the crops is reduced.
The invention provides an intelligent fertilizing device which comprises a processing module, a storage module and a communication module, wherein the processing module is connected with the storage module and the communication module;
the storage module is stored with a computer program;
the communication module is used for realizing the communication between the processing module and the outside;
the processing module is adapted to invoke the computer program to implement the method as described above.
A third aspect of the invention provides a computer storage medium having stored thereon a computer program which, when executed by a processor, performs a method as set forth in any one of the preceding claims.
A fourth aspect of the invention provides an electronic device comprising a processor and a memory, said memory having stored thereon a computer program which, when executed by the processor, performs the method as set forth in any one of the preceding claims.
The invention has the beneficial effects that:
compared with the traditional fertilization mode, the method has the advantages that the standard fertilization scheme is determined based on the whole crop growth data and the soil data of the plot to be fertilized, the standard fertilization scheme is corrected based on the local actual crop growth data and the soil data in the fertilization operation process, the finally obtained fertilization scheme can not only ensure that no large deviation exists, but also can take care of the growth difference of different areas, and the effect of intelligently fertilizing to improve the crop growth and yield is achieved. Moreover, the fertilizer proportion and the fertilizer application amount are simultaneously considered in the determined fertilizer application scheme, so that the growth and the yield of crops can be further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic flow chart of an intelligent fertilization method disclosed by the embodiment of the invention;
fig. 2 is a schematic structural diagram of an intelligent fertilizing device disclosed in the embodiment of the invention;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart of an intelligent fertilization method disclosed in the embodiment of the present invention. As shown in fig. 1, an intelligent fertilization method according to an embodiment of the present invention includes the following steps:
s10, acquiring first soil data and first growth data of crops;
s20, determining a first fertilization scheme based on the first soil data and the first growth data, wherein the first fertilization scheme comprises a first fertilizer ratio and a first fertilization amount;
s30, acquiring second soil data and second growth data of crops in a first area in front of the fertilization operation;
s40, correcting the first fertilization scheme based on the second soil data and the second growth data to obtain a second fertilization scheme, wherein the second fertilization scheme comprises a second fertilizer ratio and/or a second fertilization amount;
and S50, executing the second fertilization scheme.
In the embodiment of the invention, for a plot to be fertilized, first soil data of the resisting block and first growth data of crops are obtained firstly, the data reflect the overall situation of the resisting block, and a first fertilization scheme serving as a reference can be determined based on the data; then, in the fertilizing operation process, second soil data and second growth data of the area in front of the operation are continuously acquired, the data reflect local conditions of all areas of the land to be fertilized, the first fertilizing scheme can be locally corrected based on the data, and then a second fertilizing scheme is obtained, so that the fertilizing operation is more targeted, a better fertilizing effect can be correspondingly obtained, and the yield is improved. Meanwhile, the determined fertilization scheme comprises fertilizer proportion and fertilization amount which are important factors influencing crop growth, so that the fertilization method can further improve the effect of fertilization operation by synchronously considering the two factors.
The method can be applied to intelligent fertilization machinery, for example, various sensors, a traffic module and a data processing device are integrated on the intelligent fertilization machinery, and the data processing device acquires data of a land parcel to be fertilized based on the sensors and a communication module so as to automatically determine and execute a fertilization scheme; the method can also be applied to an intelligent agricultural control system, such as a server for controlling one or more farms, and the server can operate the method to further realize the fertilization control of the intelligent fertilization machines of all plots of all farms. Among other things, any suitable type of computer server (e.g., a server having an INTEL microprocessor, multiple processors, multiple processing cores, etc.) running any suitable operating system (e.g., microsoft (R) Windows, linux, etc.); the method can also be applied to terminal equipment, the terminal equipment is in communication connection with the intelligent fertilizing machine, and the fertilizing scheme is determined and executed by utilizing the communication and processing functions of the intelligent terminal equipment, wherein the terminal equipment can be various electronic equipment, including but not limited to a smart phone, a tablet computer, a laptop portable computer, a desktop computer and the like.
Optionally, the first soil data and the first growth data of the crop are obtained by a distributed monitoring device and/or a mobile monitoring device.
In the embodiment of the invention, the soil data and the growth data can be obtained by distributed monitoring devices which are pre-distributed in the intelligent farm, such as a camera and various soil monitoring sensors; also can obtain through portable monitoring devices, for example, take all kinds of detection sensor's tracked vehicle, robot, unmanned aerial vehicle etc.. Of course, a combination of the two approaches may be used, for example, using a distributed monitoring device to obtain soil data and a mobile monitoring device to obtain crop growth data.
Optionally, in step S20, the determining a first fertilization scheme based on the first soil data and the first growth data includes:
based on the crop growth stage, standard growth characteristics, standard soil data and a standard fertilization scheme are obtained;
calculating a first difference degree between the first growth data and the standard growth characteristics, and if the first difference degree is smaller than or equal to a first threshold value, taking the standard fertilization scheme as the first fertilization scheme;
if the first difference degree is larger than a first threshold value, calculating a second difference degree between the first soil data and the standard soil data, and if the second difference degree is smaller than or equal to a second threshold value, taking the standard fertilization scheme as the first fertilization scheme; if the second degree of difference is greater than a second threshold, a first fertilization protocol is determined based on the second degree of difference and the standard fertilization protocol.
In the embodiment of the invention, under normal conditions, the growth conditions of crops at different growth stages are approximately consistent with standard conditions, the invention establishes a corresponding relation with the growth stages of the crops, standard growth characteristics, standard soil data and a standard fertilization scheme in advance, and the data can be retrieved based on the actual growth stages of the crops of the plot to be fertilized, wherein the actual growth stages can be manually input by a user or calculated by a system based on the planting data (such as planting date data) of the crops. Then, calculating a first difference degree of the first growth data and standard growth characteristics, wherein the first difference degree reflects whether the overall growth condition of the plot to be fertilized accords with the standard growth data, if so, the crop growth is normal, a standard fertilization scheme is adopted, and if not, the crop growth of the plot is abnormal, and the soil data needs to be further compared; then, a second difference between the first soil data and the standard soil data is calculated, which reflects whether the overall soil condition of the plot to be fertilized is consistent with the standard soil data, if not, the abnormal growth is caused by the previous improper fertilization operation, and the fertilization scheme needs to be adjusted based on the difference, such as adjusting the fertilizer ratio or increasing the fertilization amount, otherwise, the abnormal growth is not related to the fertilization, which may be caused by plant diseases and insect pests, and the soil data is not applied to the fertilization scheme at this moment.
According to the scheme, the first fertilization scheme is determined by sequentially calculating the difference degree of the crop growth data and the soil data in the plot to be fertilized and the standard data, various factors are comprehensively considered, and the finally determined first fertilization scheme is more accurate.
Optionally, third growth data of the current fertilization operation area are obtained, a third difference degree between the third growth data and the first growth data is calculated, and the size of the first area is determined based on the third difference degree;
wherein the size of the first region is inversely related to the third degree of difference.
In the embodiment of the present invention, the size of the first region in the present invention is variable, and the determination method is: the larger the difference between the third growth data of the crops in the current fertilization operation area and the overall growth data of the crops reflecting the plot to be fertilized is, the smaller the first area is set. When the difference degree is larger, the local attribute of the crop growth in the front current operation area is stronger, so that a more refined fertilization scheme is needed for the subsequent operation area, and the first area is reduced.
Optionally, the second soil data and second growth data are obtained by a mobile monitoring device.
In the embodiment of the invention, the second soil data and the second growth data obtained after the fertilization operation is started can be obtained by a mobile monitoring device, for example, an unmanned aerial vehicle, a robot, a tracked vehicle and the like which are used in cooperation with an intelligent fertilization machine, and the mobile monitoring device can make up for the defects of the distributed devices in quantity and monitoring acquisition fineness.
Optionally, in step S40, the modifying the first fertilization program based on the second soil data and the second growth data to obtain a second fertilization program includes:
performing fourth difference calculation on the second growth data and the first growth data, and if the fourth difference is smaller than or equal to a third threshold, not correcting the first fertilization scheme;
if the fourth difference degree is larger than a third threshold value, calculating a fifth difference degree between the second soil data and the first soil data, and if the fifth difference degree is smaller than or equal to the fourth threshold value, not correcting the first fertilization scheme; and if the fifth difference degree is larger than a fourth threshold value, correcting the first fertilization scheme based on the fifth difference degree to obtain a second fertilization scheme.
In the embodiment of the present invention, similarly to the foregoing step S20, after the fertilization work is started, the fourth degree of difference is calculated based on the growth data, the fifth degree of difference is calculated based on the soil data, and the first fertilization scheme is corrected based on the calculation result to obtain the second fertilization scheme. Specifically, if the fourth difference is smaller than or equal to the third threshold, it is determined that the crop growth condition in the first area is at a normal level of the plot, and a standard fertilization scheme is adopted, otherwise, it is determined that the crop growth is abnormal, and further analysis of soil data is required; then, if the fifth difference is smaller than or equal to the fourth threshold, it indicates that the soil data is in a normal level of the plot, the abnormal growth may be caused by diseases and insect pests, and the fertilizer application scheme does not need to be adjusted, otherwise, it indicates that the fertilizer application in the first area is not reasonable, and the first fertilizer application scheme needs to be adjusted based on the difference.
According to the scheme, the difference degree calculation is sequentially carried out on the crop growth data and the soil data of the whole to-be-fertilized plot in the first area to determine whether the first fertilization scheme is corrected, various factors are comprehensively considered, and the finally determined second fertilization scheme is more accurate.
For the calculation method of the difference degree related to the foregoing, a distance method and a similarity coefficient may be adopted, where the distance method includes a euclidean distance, a chebyshev distance, a manhattan distance, a lange distance, a minkowski distance (minkowski distance), a mahalanobis distance, and the similarity coefficient includes an included angle Cosine (Cosine), a modified Cosine similarity, a pearson correlation coefficient, and the like, and the description of the present invention is omitted here.
Optionally, the retrieving of standard growth characteristics, standard soil data, and standard fertilization schedules based on crop growth stages comprises:
determining a second region based on the growth phase;
obtaining the growth characteristics, soil data and fertilization schemes of the crops in the same growth stage in the second area;
clustering the growth characteristics, the soil data and the fertilization scheme respectively to obtain standard growth characteristics, standard soil data and a standard fertilization scheme;
wherein, in the clustering process, if the growing environment of the crops is a greenhouse, the clustering weight is reduced.
In the embodiment of the invention, the standard data in the invention is not a fixed empirical value, but is determined in real time based on regional data. Specifically, since the sensitivity of different growth stages to fertilization is different, the second area is first determined based on the growth stage, for example, fertilizer proportion and fertilization amount are crucial in the critical growth stage and difficult to remedy, and the second area is determined to be a larger range so that the finally obtained data is more accurate and the influence of abnormal data is reduced. And then, acquiring data of each intelligent farm in the second area, wherein the data comprises growth characteristics, soil data and fertilization schemes of crops, and clustering the data to obtain standard growth characteristics, standard soil data and standard fertilization schemes. In addition, when the clustering is carried out, if the growing environment of the crops is a greenhouse, the water and fertilizer holding capacity in the greenhouse environment is better, the growing condition of the crops is generally better, and less fertilizer is needed compared with the outdoor planting environment, so that the clustering weight is reduced in order to avoid excessive influence of a large amount of greenhouse environment data on the clustered data.
For the clustering algorithm, a Partition-based clustering method, a Density-based clustering method, a Hierarchical clustering method (Hierarchical Methods), and the like can be adopted, and the invention is not described in detail herein since it belongs to the mature prior art.
Example two
Referring to fig. 2, fig. 2 is a schematic structural diagram of an intelligent fertilizer application device disclosed in the embodiment of the present invention. As shown in fig. 2, the intelligent fertilizing device (100) of the embodiment of the present invention comprises a processing module (101), a storage module (102), and a communication module (103), wherein the processing module (101) is connected to the storage module (102) and the communication module (103);
the storage module (102) having a computer program stored thereon;
the communication module (103) is used for realizing the communication between the processing module (101) and the outside;
the processing module (101) is adapted to invoke the computer program to implement the method as described above.
The specific functions of the intelligent fertilizing device in this embodiment refer to the first embodiment, and since the system in this embodiment adopts all technical solutions of the first embodiment, at least all beneficial effects brought by the technical solutions of the first embodiment are achieved, and are not described in detail herein.
EXAMPLE III
Referring to fig. 3, fig. 3 is an electronic device according to an embodiment of the present invention, the electronic device includes:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute the method according to the first embodiment.
Example four
The embodiment of the invention also discloses a computer storage medium, wherein a computer program is stored on the storage medium, and the computer program executes the method in the first embodiment when being executed by a processor.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. An intelligent fertilization method is characterized in that: the method comprises the following steps:
s10, acquiring first soil data and first growth data of crops;
s20, determining a first fertilization scheme based on the first soil data and the first growth data, wherein the first fertilization scheme comprises a first fertilizer ratio and a first fertilization amount;
s30, acquiring second soil data and second growth data of crops in a first area in front of the fertilization operation;
s40, correcting the first fertilization scheme based on the second soil data and the second growth data to obtain a second fertilization scheme, wherein the second fertilization scheme comprises a second fertilizer ratio and/or a second fertilization amount;
s50, executing the second fertilization scheme;
in step S20, the determining a first fertilization program based on the first soil data and the first growth data includes:
based on the crop growth stage, standard growth characteristics, standard soil data and a standard fertilization scheme are obtained;
calculating a first difference degree between the first growth data and the standard growth characteristics, and if the first difference degree is smaller than or equal to a first threshold value, taking the standard fertilization scheme as the first fertilization scheme;
if the first difference degree is larger than a first threshold value, calculating a second difference degree between the first soil data and the standard soil data, and if the second difference degree is smaller than or equal to a second threshold value, taking the standard fertilization scheme as the first fertilization scheme; if the second degree of difference is greater than a second threshold, determining a first fertilization protocol based on the second degree of difference and the standard fertilization protocol;
acquiring third growth data of a current fertilization operation area, calculating a third difference degree between the third growth data and the first growth data, and determining the size of the first area based on the third difference degree;
wherein the size of the first region is inversely related to the third degree of difference.
2. The intelligent fertilization method of claim 1, wherein: the first soil data and the first growth data of the crop are obtained by a distributed monitoring device and/or a mobile monitoring device.
3. The intelligent fertilization method of claim 1, wherein: the second soil data and second growth data are obtained by a mobile monitoring device.
4. An intelligent fertilization method according to claim 3, wherein: in step S40, the modifying the first fertilization program based on the second soil data and the second growth data to obtain a second fertilization program includes:
performing fourth difference calculation on the second growth data and the first growth data, and if the fourth difference is smaller than or equal to a third threshold, not correcting the first fertilization scheme;
if the fourth difference degree is larger than a third threshold value, calculating a fifth difference degree between the second soil data and the first soil data, and if the fifth difference degree is smaller than or equal to the fourth threshold value, not correcting the first fertilization scheme; and if the fifth difference degree is larger than a fourth threshold value, correcting the first fertilization scheme based on the fifth difference degree to obtain a second fertilization scheme.
5. An intelligent fertilization method according to claim 1 or claim 4, wherein: the method for calling standard growth characteristics, standard soil data and standard fertilization schemes based on the crop growth stage comprises the following steps:
determining a second region based on the growth phase;
obtaining the growth characteristics, soil data and fertilization schemes of the crops in the same growth stage in the second area;
clustering the growth characteristics, the soil data and the fertilization scheme respectively to obtain standard growth characteristics, standard soil data and a standard fertilization scheme;
wherein, in the clustering process, if the growing environment of the crops is a greenhouse, the clustering weight is reduced.
6. An intelligent fertilizing device comprises a processing module, a storage module and a communication module, wherein the processing module is connected with the storage module and the communication module;
the storage module is stored with a computer program;
the communication module is used for realizing the communication between the processing module and the outside;
the method is characterized in that: the processing module is adapted to invoke the computer program to implement the method of any one of claims 1-5.
7. A storage medium having a computer program stored thereon, characterized in that: the computer program, when executed by a processor, performs the method of any one of claims 1-5.
8. An electronic device comprising a processor and a memory, the memory having stored thereon a computer program, characterized in that: the computer program, when executed by a processor, performs the method of any one of claims 1-5.
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