Corn comprehensive application control cultivation device and method

By designing an adaptive sprinkler irrigation device and a deep drip irrigation system, the problems of improper planting density and fertilization in traditional maize cultivation have been solved, achieving efficient and scientific integrated water and fertilizer management, and improving maize yield and quality.

CN118947507BActive Publication Date: 2026-03-31SOUTH CHINA AGRICULTURAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In traditional corn cultivation, unreasonable planting density, improper fertilization, and inadequate water and fertilizer control lead to problems such as soil compaction, fertilizer damage, and reduced yield.

Method used

Design a comprehensive controlled cultivation device for maize, including an adaptive sprinkler irrigation device and a deep drip irrigation system. Controlled by a solenoid valve, it performs integrated water and fertilizer management based on information such as maize growth height, growth stage, and soil moisture to achieve precision irrigation and fertilization.

Benefits of technology

It enables precise irrigation and fertilization based on the growth needs of corn, eliminates the defects of improper fertilization and irrigation, improves corn yield and quality, and realizes efficient and scientific integrated water and fertilizer cultivation.

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Abstract

The present application relates to a kind of corn comprehensive application control cultivation device and method, first suction pump is connected with irrigation water storage tank, the outer end of second main pipeline is connected with second suction pump by second electromagnetic valve, second suction pump is connected with fertilizer mixture integrated tank, the bottom of second main pipeline is provided with at least one three-way electromagnetic valve, one liquid outlet end of three-way electromagnetic valve is connected with drip irrigation pipe arranged in the position of corn root, another liquid outlet end of three-way electromagnetic valve is connected with main sprinkler pipe arranged on ground, the outer end of main sprinkler pipe is connected with the outer end of drip irrigation pipe by third electromagnetic valve, the top of main sprinkler pipe is equipped with self-adapting sprinkler device;It can be according to corn growth period and soil, temperature and humidity etc. Information carries out comprehensive integrated water and fertilizer application control, implements depth drip pipe in corn root, effectively eliminates the defect of improper fertilization irrigation, realizes efficient scientific water-saving corn comprehensive application control cultivation.
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Description

Technical Field

[0001] This invention belongs to the field of crop cultivation, specifically relating to a comprehensive controlled cultivation device and method for maize. Background Technology

[0002] Traditional maize cultivation suffers from several key deficiencies, including: unreasonable planting density, neglect of variety characteristics, inaccurate measurement of planting density, and impacts on yield and quality. Both excessively high and low planting densities negatively affect normal growth and development. Improper fertilization methods, such as decreased organic fertilizer use, declining soil organic matter due to continuous cultivation, and unbalanced nutrient combinations, lead to soil compaction and fertilizer burn. Fertilizer burn is caused by shallow fertilization and soil drought, making fertilizers difficult to dissolve in water, thus affecting root development and plant growth. Improper irrigation and fertilization control, such as failure to adapt irrigation to crop water requirements and growth height, lack of fertilizer formulation tailored to different growth stages, and inability to implement effective and scientific integrated water and fertilizer management, directly impact normal growth and final yield. Therefore, corresponding solutions are needed to improve maize cultivation techniques and increase yield.

[0003] In response, a device and method for integrated water and fertilizer management is proposed, which can provide adaptive sprinkler irrigation based on the height of corn growth, and can also implement deep drip irrigation at the corn roots based on information such as the corn growth stage, soil, temperature, and humidity. This effectively eliminates the defects of improper fertilization and irrigation, and realizes a highly efficient and scientific integrated corn cultivation device and method with broad market prospects. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an integrated water and fertilizer control device and method for corn cultivation that can adapt to the growth height of corn and perform sprinkler irrigation based on the corn's growth stage, soil conditions, temperature, and humidity. It also implements deep drip irrigation at the corn roots, effectively eliminating the defects of improper fertilization and irrigation, and achieving efficient and scientific integrated controlled cultivation of corn. This invention overcomes the deficiencies of existing technologies.

[0005] The technical solution of this invention is implemented as follows: A comprehensive controlled cultivation device for maize includes a first main pipe and a second main pipe that are interconnected. The outer end of the first main pipe is connected to a first suction pump via a first solenoid valve. The first suction pump is connected to an irrigation water storage tank. The outer end of the second main pipe is connected to a second suction pump via a second solenoid valve. The second suction pump is connected to a fertilizer and pesticide mixing tank. At least one three-way solenoid valve is provided at the bottom of the second main pipe. One outlet of the three-way solenoid valve is connected to a drip irrigation pipe located at the base of the maize plant. The other outlet of the three-way solenoid valve is connected to a main sprinkler pipe located on the ground surface. The outer end of the main sprinkler pipe is connected to the outer end of the drip irrigation pipe via a third solenoid valve. An adaptive sprinkler irrigation device is installed at the top of the main sprinkler pipe.

[0006] The adaptive sprinkler irrigation device includes at least one longitudinal sprinkler pipe connected to the top of the main sprinkler pipe. An upper solenoid valve and a lower solenoid valve are respectively installed on the upper and lower parts of the longitudinal sprinkler pipe. Three solenoid valve-controlled nozzles are evenly arranged from top to bottom on one side of the longitudinal sprinkler pipe between the upper and lower solenoid valves. An irrigation solenoid valve is installed in the middle of the other side of the longitudinal sprinkler pipe between the upper and lower solenoid valves. The top of the upper solenoid valve is connected to a water collection tank. The top of the water collection tank is connected to the bottom of the water receiving trough through a water collection pipe. The water collection tank is connected to a horizontal longitudinal support through a horizontal transverse support. A vertical support frame is provided at the bottom of the horizontal longitudinal support.

[0007] The fertilizer and pesticide mixing box is equipped with a stirring motor on top. Both the fertilizer and pesticide mixing box and the irrigation water storage tank are equipped with injection pipes on top. The first main pipe and the second main pipe are integrated into one structure. The three-way solenoid valve is located above the ground, and the third solenoid valve is located below the ground.

[0008] The main sprinkler pipe and drip irrigation pipe are installed in corresponding positions, and the main sprinkler pipe and drip irrigation pipe are respectively set at the corn root position in the upper and lower layers of the soil between the corn rows. A soil moisture and composition sensor is inserted into the soil on one side of the drip irrigation pipe.

[0009] The longitudinal sprinkler pipe is installed vertically to the ground surface, and the length of the longitudinal sprinkler pipe is 1.5 meters to 2 meters. The top of the inner cavity of the water collection tank is provided with a filter layer, and the bottom of the water receiving tank is provided with a water collection hole that is connected to the water collection pipe.

[0010] The water collection tank has a square box structure. The top of the water collection tank is connected to the bottom of the water receiving tank through a support rod. A temperature and humidity infrared sensor is installed on one side of the water collection tank.

[0011] A method for integrated controlled cultivation of maize using a comprehensive controlled cultivation device, the method being as follows:

[0012] During the corn seedling emergence and early jointing stages, the water requirement is relatively small. Soil moisture is monitored by soil moisture and composition sensors. When the soil moisture is excessively lacking, the first solenoid valve and the first suction pump are opened to introduce irrigation water from the irrigation storage tank into the first main pipeline. The second solenoid valve is closed, and the connection between the three-way solenoid valve and the drip irrigation pipe is opened. Irrigation water enters the drip irrigation pipe through the second main pipeline to carry out drip irrigation. The connection between the three-way solenoid valve and the main sprinkler pipe, as well as the third solenoid valve, are in the closed state.

[0013] During the mid-to-late jointing stage, tasseling stage, silking stage, and early grain-filling stage of corn, water demand increases. Soil moisture and composition sensors, along with an integrated infrared temperature and humidity sensor, monitor the water requirements of the plants and selectively initiate drip irrigation and sprinkler irrigation. When sprinkler irrigation is running, the first solenoid valve and the first suction pump are activated to introduce irrigation water from the irrigation tank into the first main pipe. The second solenoid valve is closed, and the connection between the three-way solenoid valve and the main sprinkler pipe is opened, allowing irrigation water to enter the main sprinkler pipe through the second main pipe. The connection between the three-way solenoid valve and the drip irrigation pipe, as well as the third solenoid valve, are closed. The lower solenoid valve and the solenoid valve-controlled sprinkler head are opened, and the upper solenoid valve is closed. Irrigation water flows through the longitudinal sprinkler pipe via an electric... The electromagnetic valve controls the nozzles to spray water for sprinkler irrigation. The spray height of the three electromagnetic valves is controlled according to the height of the corn. When there is sufficient external rainwater, the upper electromagnetic valve is closed. The external rainwater is collected through the water collection trough and stored in the water collection tank through the water collection hole and the water collection trough. When sprinkler irrigation is needed, the upper electromagnetic valve and the irrigation electromagnetic valve are opened, and the lower electromagnetic valve is closed. The stored rainwater flows out by gravity through the irrigation electromagnetic valve for irrigation. Alternatively, the three-way electromagnetic valve is closed at the connection end with the main sprinkler pipe and the drip irrigation pipe, and the third electromagnetic valve, the upper electromagnetic valve, and the lower electromagnetic valve are opened. The rainwater in the water collection tank enters the main sprinkler pipe through the longitudinal sprinkler pipe and then enters the drip irrigation pipe through the main sprinkler pipe. The stored rainwater is dripped through the drip irrigation pipe by its own weight pressure.

[0014] During the later stages of corn grain filling, soil moisture is monitored using soil moisture and composition sensors. When soil moisture is severely lacking, drip irrigation is implemented.

[0015] During the corn plant's large trumpet stage, early tasseling stage, and after pollination, the water requirements of the plants are monitored using an integrated infrared sensor probe for temperature and humidity. Growth regulators are then sprayed. During operation, the second solenoid valve and the second suction pump are activated to introduce the mixed liquid from the fertilizer-pesticide mixing tank into the first main pipe. The first solenoid valve is closed, and the connection between the three-way solenoid valve and the main irrigation pipe is opened. The mixed liquid enters the main irrigation pipe through the second main pipe. The connection between the three-way solenoid valve and the drip irrigation pipe, as well as the third solenoid valve, are closed. The lower solenoid valve and the solenoid valve-controlled nozzle are opened, and the upper solenoid valve is closed. The mixed liquid is sprayed through the longitudinal irrigation pipe via the solenoid valve-controlled nozzle to apply the growth regulator. The spraying height of the three solenoid valve-controlled nozzles is controlled according to the corn's growth height.

[0016] During the corn plant's trumpet stage, the water requirement of the plants is monitored using an integrated infrared sensor for temperature and humidity, and liquid fertilizer drip irrigation is implemented. During operation, the second solenoid valve and the second suction pump are turned on to introduce the mixed liquid from the fertilizer and pesticide mixing tank into the first main pipe. The first solenoid valve is closed, and the connection between the three-way solenoid valve and the drip irrigation pipe is opened. The mixed liquid enters the drip irrigation pipe through the second main pipe to implement drip irrigation. The connection between the three-way solenoid valve and the main sprinkler pipe, as well as the third solenoid valve, are in the closed state.

[0017] This invention offers the following advantages: It integrates irrigation and fertilizer / pesticide supply via a main pipeline, allowing for integrated irrigation and fertigation based on the corn plant's growth stage and needs at different times. The drip irrigation system enables deep penetration of water, fertilizer, and pesticides, while the sprinkler system utilizes a collection tank at the top for gravity-based drip irrigation. The sprinkler system not only provides integrated irrigation via the main pipeline but also collects rainwater, providing corresponding watering and drip irrigation when needed. The ingenious pipeline design achieves comprehensive integrated fertigation for corn cultivation. It allows for adaptive sprinkler irrigation based on corn growth height and integrated fertigation based on growth stage, soil conditions, temperature, and humidity. Deep drip irrigation at the corn roots effectively eliminates the drawbacks of improper fertilization and irrigation, achieving efficient, scientific, and water-saving integrated fertigation cultivation for corn. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main structure of the present invention.

[0019] Figure 2 This is a schematic diagram of the right-side structure of the present invention.

[0020] Figure 3 This is a schematic diagram of the left-side structure of the present invention.

[0021] Figure 4 This is one of the top view structural schematic diagrams of the present invention.

[0022] Figure 5 This is a second top view of the structure of the present invention.

[0023] Figure 6 This is the third top view structural schematic diagram of the present invention. Detailed Implementation

[0024] 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.

[0025] In the following description of the invention, it should be noted that the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. The term "connection" simply indicates a connection between devices and has no special meaning.

[0026] For specific embodiments, please refer to Figure 1 , 2As shown in Figures 3, 4, 5, and 6, a comprehensive controlled cultivation device for maize includes a first main pipe 1 and a second main pipe 2 that are interconnected. The outer end of the first main pipe 1 is connected to a first suction pump 23 via a first solenoid valve 24. The first suction pump 23 is connected to an irrigation water storage tank 20. The outer end of the second main pipe 2 is connected to a second suction pump 17 via a second solenoid valve 21. The second suction pump 17 is connected to a fertilizer and pesticide mixing box 18. At least one three-way solenoid valve 3 is installed at the bottom of the second main pipe 2. One outlet of the three-way solenoid valve 3 is connected to a drip irrigation pipe 4 located at the base of the maize plant. The other outlet of the three-way solenoid valve 3 is connected to a main sprinkler pipe 6 located on the ground surface. The outer end of the main sprinkler pipe 6 is connected to the outer end of the drip irrigation pipe 4 via a third solenoid valve 5. An adaptive sprinkler device is installed at the top of the main sprinkler pipe 6. The adaptive sprinkler irrigation device includes at least one longitudinal sprinkler pipe 16 connected to the top of the main sprinkler pipe 6. An upper solenoid valve 9 and a lower solenoid valve 7 are respectively installed on the upper and lower parts of the longitudinal sprinkler pipe 16. Three solenoid valve-controlled nozzles 8 are evenly arranged from top to bottom on one side of the longitudinal sprinkler pipe 16 between the upper solenoid valve 9 and the lower solenoid valve 7. An irrigation solenoid valve 26 is installed in the middle of the other side of the longitudinal sprinkler pipe 16 between the upper solenoid valve 9 and the lower solenoid valve 7. The top of the upper solenoid valve 9 is connected to the water collection tank 10. The top of the water collection tank 10 is connected to the bottom of the water receiving trough 15 through the water collection pipe 14. The water collection tank 10 is connected to the horizontal longitudinal support 22 through the horizontal transverse support 11. A vertical support frame 12 is provided at the bottom of the horizontal longitudinal support 22.

[0027] The fertilizer and pesticide mixing tank 18 is equipped with a stirring motor 19 on its top. Both the fertilizer and pesticide mixing tank 18 and the irrigation water storage tank 20 are equipped with injection pipes on their tops. The first main pipe 1 and the second main pipe 2 are an integral structure. A three-way solenoid valve 3 is located on the upper part of the ground surface, and a third solenoid valve 5 is located on the lower part of the ground surface. The main sprinkler pipe 6 and the drip irrigation pipe 4 are installed vertically in corresponding positions, and are respectively positioned at the corn root level in the upper and lower layers of the ground between corn rows. A soil moisture and composition sensor is inserted into the soil on one side of the drip irrigation pipe 4.

[0028] The longitudinal sprinkler pipe 16 is installed vertically to the ground surface, and its length is 1.5 to 2 meters. A filter layer is installed at the top of the inner cavity of the water collection tank 10, and a water collection hole 25 connected to the water collection pipe 14 is provided at the bottom of the water receiving trough 15. The water collection tank 10 has a square box structure, and its top is connected to the bottom of the water receiving trough 15 via a support rod 13. A temperature and humidity infrared sensor 27 is installed on one side of the water collection tank 10.

[0029] When implementing integrated controlled cultivation operations using a maize integrated controlled cultivation device, this invention provides two specific implementation methods:

[0030] Example 1: This example describes an irrigation method using irrigation water. During the corn seedling emergence and early jointing stages, water demand is relatively low. Soil moisture is monitored using soil moisture and composition sensors. When soil moisture is excessively low, the first solenoid valve 24 and the first suction pump 23 are activated to introduce irrigation water from the irrigation storage tank 20 into the first main pipeline 1. The second solenoid valve 21 is closed, and the connection between the three-way solenoid valve 3 and the drip irrigation pipe 4 is opened. Irrigation water enters the drip irrigation pipe 4 through the second main pipeline 2 for drip irrigation. The connection between the three-way solenoid valve 3 and the main sprinkler pipe 6, as well as the third solenoid valve 5, are closed. During the mid-to-late jointing stage, tasseling stage, silking stage, and early grain-filling stage of corn plants, water demand increases. The water requirement of the plants is monitored using soil moisture and composition sensors and an integrated infrared temperature and humidity sensor 27. Selective initiation of drip irrigation and sprinkler irrigation is implemented. When sprinkler irrigation is running, the first solenoid valve 24 and the first suction pump 23 are activated to introduce irrigation water from the irrigation storage tank 20 into the first main pipe 1. The second solenoid valve 21 is closed, and the three-way solenoid valve 3, connected to the main sprinkler pipe 6, is opened, allowing irrigation water to enter the main sprinkler pipe 6 through the second main pipe 2. With the connection between solenoid valve 3 and drip irrigation pipe 4, and the third solenoid valve 5 closed, the lower solenoid valve 7 and the solenoid valve-controlled sprinkler head 8 are opened, and the upper solenoid valve 9 is closed. Irrigation water is sprayed through the longitudinal sprinkler pipe 16 and the solenoid valve-controlled sprinkler head 8 to carry out sprinkler irrigation. The sprinkler height of the three solenoid valve-controlled sprinkler heads 8 is controlled according to the corn's growth height. When there is sufficient external rainfall, the upper solenoid valve 9 is closed, and the external rainwater is collected through the water collection trough 15 and stored in the water collection tank 10 through the water collection hole 25 and the water collection trough 15. When sprinkler irrigation is required, the upper solenoid valve 9 and the irrigation solenoid valve 26 are opened, and the upper solenoid valve 9 is closed. The lower solenoid valve 7 allows stored rainwater to flow out by gravity through the irrigation solenoid valve 26 for irrigation. Alternatively, the three-way solenoid valve 3 can be closed to connect with the main sprinkler pipe 6 and the drip irrigation pipe 4, while the third solenoid valve 5, the upper solenoid valve 9, and the lower solenoid valve 7 can be opened. Rainwater in the collection tank 10 can then enter the main sprinkler pipe 6 through the longitudinal sprinkler pipe 16 and the drip irrigation pipe 4. The stored rainwater can then be drip-irrigated through the drip irrigation pipe 4 by gravity. In the later stages of corn grain filling, soil moisture is monitored by soil moisture and composition sensors. When soil moisture is severely lacking, drip irrigation is implemented.

[0031] Example 2: This example is an integrated irrigation method for fertilizer, water, and pesticides. During the corn plant's large trumpet stage, early tasseling stage, and after pollination, the water requirement of the plants is monitored by the temperature and humidity infrared integrated sensor 27, and growth regulators are sprayed. During operation, the second solenoid valve 21 and the second suction pump 17 are opened to introduce the mixed liquid in the fertilizer and pesticide mixing tank 18 into the first main pipe 1. The first solenoid valve 24 is closed, and the connection end of the three-way solenoid valve 3 with the main sprinkler pipe 6 is opened. The mixed liquid enters the main sprinkler pipe 6 through the second main pipe 2. The connection end of the three-way solenoid valve 3 with the drip irrigation pipe 4 and the third solenoid valve 5 are closed. The lower solenoid valve 7 and the solenoid valve control nozzle 8 are opened, and the upper solenoid valve 9 is closed. The mixed liquid is sprayed out through the longitudinal sprinkler pipe 16 and the solenoid valve control nozzle 8 to implement the growth regulator spraying operation. The spraying height of the three solenoid valve control nozzles 8 is controlled according to the corn growth height. During the corn plant's trumpet stage, the water requirement of the plant is monitored by the temperature and humidity infrared sensor 27, and liquid fertilizer drip irrigation is carried out. During operation, the second solenoid valve 21 and the second suction pump 17 are opened to introduce the mixed liquid in the fertilizer and pesticide mixing tank 18 into the first main pipe 1. The first solenoid valve 24 is closed, and the connection end of the three-way solenoid valve 3 and the drip irrigation pipe 4 is opened. The mixed liquid enters the drip irrigation pipe 4 through the second main pipe 2 to carry out drip irrigation. The connection end of the three-way solenoid valve 3 and the main sprinkler pipe 6 and the third solenoid valve 5 are in the closed state.

[0032] This invention enables efficient and sustainable water-saving integrated controlled cultivation of maize. During operation, drip irrigation and sprinkler irrigation can be carried out separately. When sprinkler irrigation is in operation, it can not only rely on the irrigation water storage tank to provide the sprinkler irrigation water source, but also rely on the water collection tank to collect and store rainwater for later irrigation and drip irrigation, thus achieving efficient water saving.

[0033] When in operation, this invention can perform integrated drip irrigation or integrated sprinkler irrigation according to the different water and fertilizer requirements and pest and disease control needs during the corn planting process, such as the sowing and seedling stage, the early jointing stage, the middle and late jointing stage, the corn trumpet stage, the tasseling stage, the silking stage, the early grain filling stage, and the late grain filling stage. This effectively improves the scientific control of the entire corn growth cycle and ensures a significant increase in yield.

[0034] The temperature and humidity infrared integrated sensor 27 can monitor the external temperature and humidity during the corn growth process. It can also obtain corn growth height information and corn surface infrared data information to determine the growth height of corn at different stages and provide data support for integrated irrigation. It can also generate infrared monitoring data for pests and diseases and make early warnings and provide spraying or drip irrigation treatment for pesticides.

[0035] The drip irrigation pipe 4 and the main sprinkler irrigation pipe 6 are connected by the third solenoid valve 5. The outlet end of the second main pipe is connected to the inlet end of the three-way solenoid valve 3, so as to realize the selective opening of sprinkler irrigation and drip irrigation. When using rainwater for irrigation, the drip irrigation pipe 4 and the main sprinkler irrigation pipe 6 can be connected by opening the third solenoid valve 5. After correspondingly closing the two outlet ends of the three-way solenoid valve 3, the drip irrigation operation is carried out by gravity pressure.

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A corn integrated cultivation device comprising a first main pipe and a second main pipe which are connected to each other, characterized in that: The outer end of the first main pipeline is communicated with a first suction pump through a first electromagnetic valve, the first suction pump is communicated with an irrigation water storage tank, the outer end of the second main pipeline is communicated with a second suction pump through a second electromagnetic valve, the second suction pump is communicated with a fertilizer and pesticide mixing integrated tank, at least one three-way electromagnetic valve is arranged at the bottom of the second main pipeline, one liquid outlet end of the three-way electromagnetic valve is communicated with a drip irrigation pipe arranged at the root position of the corn, the other liquid outlet end of the three-way electromagnetic valve is communicated with a main sprinkling pipe arranged on the ground, the outer end of the main sprinkling pipe is communicated with the outer end of the drip irrigation pipe through a third electromagnetic valve, and a self-adaptive sprinkling device is arranged at the top of the main sprinkling pipe; the self-adaptive sprinkling device comprises at least one longitudinal sprinkling pipe communicated with the top of the main sprinkling pipe, an upper electromagnetic valve and a lower electromagnetic valve are arranged at the upper portion and the lower portion of the longitudinal sprinkling pipe respectively, three electromagnetic valve-controlled sprinkling heads are arranged on one side of the longitudinal sprinkling pipe between the upper electromagnetic valve and the lower electromagnetic valve from top to bottom, a irrigation electromagnetic valve is arranged at the middle of the other side of the longitudinal sprinkling pipe between the upper electromagnetic valve and the lower electromagnetic valve, the top of the upper electromagnetic valve is communicated with a water collecting tank, the top of the water collecting tank is communicated with the bottom of a water receiving groove through a water collecting pipe, the water collecting tank is connected with a horizontal longitudinal support through a horizontal transverse support, and a vertical support frame is arranged at the bottom of the horizontal longitudinal support.

2. The corn integrated control cultivation device according to claim 1, characterized by: The top of the fertilizer and pesticide mixing integrated tank is provided with a stirring motor, the top of the fertilizer and pesticide mixing integrated tank and the top of the irrigation water storage tank are provided with liquid injection pipes, the first main pipeline and the second main pipeline are integrated structures, the three-way electromagnetic valve is arranged on the upper portion of the ground, and the third electromagnetic valve is arranged on the lower portion of the ground.

3. The corn integrated control cultivation device according to claim 2, characterized by: The main sprinkling pipe and the drip irrigation pipe are arranged in position corresponding to each other on the upper layer and the lower layer of the ground between the corn rows, and the soil humidity and composition sensor is inserted into the soil on one side of the drip irrigation pipe.

4. The corn integrated control cultivation device according to claim 3, characterized by: The longitudinal sprinkling pipe is vertically arranged on the ground, the length of the longitudinal sprinkling pipe is 1.5-2 m, a filter layer is arranged at the top of the inner cavity of the water collecting tank, and a water collecting hole communicated with the water collecting pipe is arranged at the bottom of the water receiving groove.

5. The corn integrated control cultivation device according to claim 4, characterized by: The water collecting tank is a square box structure, the top of the water collecting tank is connected with the bottom of the water receiving groove through a support rod, and a temperature and humidity infrared integrated sensing probe is arranged on one side of the water collecting tank.

6. A corn integrated control cultivation method using the corn integrated control cultivation device according to claim 5, characterized by, The method is as follows: During the corn seeding and seedling stage and the pre-elongation stage, the water requirement is small, the soil moisture content is monitored according to the soil moisture and composition sensor, when the soil moisture content is excessively low, the first electromagnetic valve and the first suction pump are opened, the irrigation water in the irrigation water storage tank is introduced into the first main pipeline, the second electromagnetic valve is closed, the three-way electromagnetic valve and the drip irrigation pipe are opened, the irrigation water enters the drip irrigation pipe through the second main pipeline to implement drip irrigation, and the three-way electromagnetic valve and the main sprinkling pipe and the third electromagnetic valve are in the closed state; In the middle and late stage of corn plant jointing, corn bell mouth stage, male stage, silk stage and pre-grain filling stage, the water demand increases, according to the soil moisture and composition sensor and the infrared integrated sensing probe of temperature and humidity to monitor the water demand of the plant, and the selective start of drip irrigation and sprinkling irrigation operation is implemented, when the sprinkling irrigation operation is running, the first electromagnetic valve and the first suction pump are opened, the irrigation water in the irrigation water tank is introduced into the first main pipeline, the second electromagnetic valve is closed, the three-way electromagnetic valve and the main sprinkling pipe communication end are opened, the irrigation water enters the main sprinkling pipe through the second main pipeline, the three-way electromagnetic valve and the drip irrigation pipe communication end and the third electromagnetic valve are in the closed state, the lower electromagnetic valve and the electromagnetic valve controlled sprinkler are opened, and the upper electromagnetic valve is closed, the irrigation water is sprayed out through the electromagnetic valve controlled sprinkler to implement the sprinkling irrigation operation, and the sprinkling height of the three electromagnetic valve controlled sprinklers is controlled according to the corn growth height; when the external rainwater is sufficient, the upper electromagnetic valve is closed, the external rainwater is collected through the water collecting tank and stored in the water collecting tank through the water collecting hole and the water collecting tank, when the sprinkling irrigation operation is needed, the upper electromagnetic valve and the irrigation electromagnetic valve are opened, the lower electromagnetic valve is closed, the stored rainwater flows out through the irrigation electromagnetic valve to implement the irrigation operation, or the three-way electromagnetic valve and the main sprinkling pipe and the drip irrigation pipe communication end are closed, the third electromagnetic valve, the upper electromagnetic valve and the lower electromagnetic valve are opened, the rainwater in the water collecting tank enters the main sprinkling pipe through the longitudinal sprinkling pipe, and enters the drip irrigation pipe through the main sprinkling pipe, and the stored rainwater relies on the self-weight pressure to implement the drip irrigation operation; In the late stage of corn grain filling period, the soil moisture and composition sensor is used to monitor the soil moisture, and the drip irrigation operation is implemented when the soil moisture is seriously deficient; In the large bell mouth stage of corn plant, the initial stage of corn tasseling and after pollination is completed, the infrared integrated sensing probe of temperature and humidity is used to monitor the water demand of the plant, and the spraying operation of the growth regulator is implemented, when running, the second electromagnetic valve and the second suction pump are opened, the mixed liquid in the mixed integrated tank is introduced into the first main pipeline, the first electromagnetic valve is closed, the three-way electromagnetic valve and the main sprinkling pipe communication end are opened, the mixed liquid enters the main sprinkling pipe through the second main pipeline, the three-way electromagnetic valve and the drip irrigation pipe communication end and the third electromagnetic valve are in the closed state, the lower electromagnetic valve and the electromagnetic valve controlled sprinkler are opened, and the upper electromagnetic valve is closed, the mixed liquid is sprayed out through the electromagnetic valve controlled sprinkler to implement the spraying operation of the growth regulator, and the sprinkling height of the three electromagnetic valve controlled sprinklers is controlled according to the corn growth height; In the bell mouth stage of corn plant, the infrared integrated sensing probe of temperature and humidity is used to monitor the water demand of the plant, and the liquid fertilizer drip irrigation operation is implemented, when running, the second electromagnetic valve and the second suction pump are opened, the mixed liquid in the mixed integrated tank is introduced into the first main pipeline, the first electromagnetic valve is closed, the three-way electromagnetic valve and the drip irrigation pipe communication end are opened, the mixed liquid enters the drip irrigation pipe to implement the drip irrigation operation, and the three-way electromagnetic valve and the main sprinkling pipe communication end and the third electromagnetic valve are in the closed state.

Citation Information

Patent Citations

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    CN117256447A

  • Farmland water conservancy water-saving irrigation device

    CN212696990U