Soil ridging treatment device for improving smoothness of sweet potato skin and use method

By designing a soil ridge treatment device including gas supply pipe, water supply pipe, expansion pipe and seepage pipe, the problem of unsmooth skin caused by tight soil and insufficient moisture in the sweet potato ridge is solved, and the smoothness of the sweet potato ridge skin is improved and the growth of the sweet potato skin is normalized.

CN119655038APending Publication Date: 2025-03-21CROP INST SICHUAN PROVINCE ACAD OF AGRI SCI
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Patent Information

Application Number
CN202510055788.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-03-21

AI Technical Summary

Technical Problem

During the growth of sweet potatoes, the soil of sweet potato ridges is prone to decrease and tighten the pores due to rainwater and watering, resulting in the unsmooth skin of the sweet potato.

Method used

A soil ridge treatment device is designed, including a gas supply pipe, a water supply pipe, an expansion pipe and a seepage pipe. The soil loosens and fertilizes the sweet potato ridge soil through high-pressure air and water fertilizer supply boxes to ensure the softness and breathability of the soil.

Benefits of technology

Through this device, the smoothness of the skin of sweet potatoes can be effectively improved, avoiding the problems of sweet potatoes with irregular shape and surface unevenness caused by tight soil and insufficient moisture, and ensuring normal growth of sweet potatoes.

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Abstract

The invention discloses a soil ridging treatment device for improving sweet potato skin smoothness and a using method, the soil ridging treatment device comprises an air supply pipe, a water supply pipe, a high-pressure air storage tank and a water and fertilizer supply box, the air supply pipe and the water supply pipe are both pre-buried in sweet potato ridges, and the part, located in the sweet potato ridges, of the air supply pipe is associated with a plurality of expansion pipes arranged at intervals; the portion, located in the sweet potato ridge, of the water supply pipe is associated with a plurality of water seepage pipes and air supply pipes which are arranged at intervals, the end, located in the sweet potato ridge, of the water supply pipe is in a sealed closed shape, the other end of each air supply pipe extends out of the sweet potato ridge and is connected with a high-pressure air storage tank, and the high-pressure air storage tank is connected with an air compressor through an air inlet. A first valve is arranged at an air outlet of the high-pressure air storage tank. In the application process, water and fertilizer integrated irrigation management can be reasonably carried out on sweet potato ridge soil, meanwhile, soil loosening can be carried out on sweet potato ridges, the softness, permeability and looseness of the sweet potato ridge soil are ensured, and therefore the surface smoothness of sweet potatoes can be improved, and application and popularization are facilitated.
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Description

Technical Field

[0001] The invention relates to the technical field of sweet potato planting, and in particular to a soil ridging treatment device for improving the smoothness of the sweet potato surface and a use method thereof. Background Art

[0002] Sweet potatoes prefer warm, loose, transparent and organic-rich soil, so they should be planted on well-drained and fertile land. In order to solve the drainage problem, ridges should be formed during the planting process to form sweet potato ridges, and the potatoes should be planted on the ridges.

[0003] In the process of using sweet potato ridges to grow sweet potatoes, you first need to ensure that there is no gravel in the soil, and ensure that the soil is loose when making ridges. At the same time, you must ensure the moisture of the soil, that is, timely watering; the reason is that during the expansion period of sweet potato growth, gravel in the soil, overly compacted soil, low soil moisture content, that is, drought, will cause abnormal growth of sweet potatoes and cause the skin to be rough.

[0004] In view of the above phenomenon, gravel in the soil can be screened out during the process of tilling and loosening the soil to solve it. However, how to loosen the soil for sweet potato ridges during the growth of sweet potatoes has always been a difficult problem. The reason is that during the growth of sweet potatoes, rainwater and artificial irrigation will cause the porosity of the sweet potato ridges to decrease, become compact, and become looser. To this end, we propose a soil ridge treatment device and a method for use that improves the smoothness of the sweet potato skin. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings existing in the prior art and to propose a soil ridging treatment device and a method of use for improving the smoothness of the sweet potato skin.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A soil ridge processing device for improving the smoothness of sweet potato skin comprises an air supply pipe, a water supply pipe, a high-pressure gas storage tank, and a water and fertilizer supply box. The air supply pipe and the water supply pipe are pre-buried in the sweet potato ridges.

[0008] The part of the air supply pipe located in the sweet potato ridge is associated with a plurality of expansion pipes arranged at intervals. The expansion pipes are in an arc shape, and a first connecting pipe is connected between the top end of the expansion pipe and the corresponding air supply pipe.

[0009] The portion of the water supply pipe located in the sweet potato ridge is associated with a plurality of seepage pipes arranged at intervals. The seepage pipes are in an arc shape, and a second connecting pipe is connected between the top end of the seepage pipe and the corresponding air supply pipe.

[0010] The ends of the air supply pipe and the water supply pipe located inside the sweet potato ridge are sealed and closed, and the other end of the air supply pipe extends outside the sweet potato ridge and is connected to a high-pressure gas storage tank. The high-pressure gas storage tank is connected to an air compressor via an air inlet, and a first valve is provided at the air outlet of the high-pressure gas storage tank.

[0011] The portion of the air supply pipe connected to the air outlet of the air compressor is equipped with an air vent pipe, a second valve is installed on the air vent pipe, and an exhaust valve is installed at one end of the air vent pipe away from the air supply pipe.

[0012] The other end of the water supply pipe extends to the outside of the sweet potato ridge and is connected to the water and fertilizer supply box. A third valve is provided at the end of the water supply pipe connected to the water and fertilizer supply box.

[0013] Preferably, the air supply pipe and the water supply pipe are both rubber pipes, and the air supply pipe is in a non-expanded state when transporting high-pressure gas.

[0014] Preferably, the air supply pipe and the water supply pipe are 6-8CM away from the top of the sweet potato ridge.

[0015] Preferably, the expansion tube is a rubber hose, and when the expansion tube is filled with high-pressure gas, the tube body expands and becomes thicker.

[0016] Preferably, both ends of the expansion tube are in a blocked and closed state, the distance between the two ends of the expansion tube located in the sweet potato ridge is 30-35CM, and the distance between the end of the expansion tube and the bottom of the sweet potato ridge is 4-5CM.

[0017] Preferably, both ends of the seepage pipe are in a blocked and closed state.

[0018] A method for using a soil ridging treatment device for improving the smoothness of sweet potato skin, comprising the following steps:

[0019] S1: For the sweet potato planting area, select a suitable area to place the high-pressure gas storage tank, water and fertilizer supply box, and air compressor;

[0020] S2: Ploughing and breaking up the soil in the sweet potato planting area;

[0021] S3: Set the sweet potato ridge area, use 1.2-meter-long support poles to insert into the planting soil surface at intervals, and ensure that the insertion depth is 20CM;

[0022] S4: Based on step S3, the air supply pipe and the water supply pipe are laid out, and the air supply pipe and the water supply pipe are bundled at intervals. At the same time, the bundled air supply pipe and the water supply pipe are further tied to the support rod, and the distance between the end of the expansion pipe and the planting soil surface is ensured to be 4-5CM;

[0023] S5: Covering the set sweet potato ridge area with soil and forming ridges. When gradually covering the soil to the binding place of the air supply pipe, the water supply pipe and the support rod, loosen the binding part and pull out the support rod;

[0024] S6: Based on step S5, further covering with soil until the sweet potatoes are ridged;

[0025] S7: Connect the leaking end of the air supply pipe, the air release pipe, the high-pressure air storage tank, and the air compressor, and install the corresponding first valve, second valve, and exhaust valve;

[0026] S8: Based on step S7, high-pressure air is charged into the high-pressure gas storage tank through an air compressor. Based on the high-pressure air in the high-pressure gas storage tank, when the first valve is opened and the second valve is closed, the high-pressure air will move into the expansion tube and put the expansion tube in an inflated and expanded state. After the first valve is further closed and the second valve is opened, the air is slowly exhausted through the exhaust valve. At this time, the gap formed by the contraction of the expansion tube realizes the loosening of the sweet potato ridges and ensures the softness and permeability of the soil.

[0027] S9: Connect the leaking end of the water supply pipe and the water and fertilizer supply box and install the corresponding third valve;

[0028] S10: Based on step S9, when the third valve is opened, water or fertilizer-containing water is applied to the sweet potato ridges through the water and fertilizer supply box;

[0029] S11: During the expansion period of the sweet potato growth process, the operations of steps S8 and S10 are performed as needed to improve the smoothness of the sweet potato skin.

[0030] Preferably, during step S2, gravel in the soil is screened and selected.

[0031] Preferably, in step S3, the interval between the sweet potato ridges in the sweet potato ridge forming area is set to 70-80CM; in step S6, the height of the formed sweet potato ridges is 30-35CM and the width is 70-75CM.

[0032] The present invention provides a soil ridging treatment device and a method for using the device to improve the smoothness of the sweet potato skin, and the beneficial effects are:

[0033] 1. To solve the moisture problem of sweet potato ridges, when the soil moisture is low, water can be applied to the sweet potato ridges through water and fertilizer supply boxes, water supply pipes, and seepage pipes. The water is applied to the inside of the sweet potato ridges, avoiding the traditional method of watering the surface of the sweet potato ridges. The water directly reaches the inside of the sweet potato ridges, promotes the absorption of water by the sweet potatoes, and avoids the phenomenon of abnormal shape and uneven surface of the sweet potatoes caused by insufficient water. It also avoids the phenomenon of soil compaction and compaction on the surface of the sweet potato ridges caused by traditional watering methods, ensuring the air permeability of the surface of the sweet potato ridges;

[0034] 2. At the same time, water and fertilizer can be applied to the sweet potato ridges through the water and fertilizer supply box, water supply pipe, and seepage pipe, which is conducive to reasonable topdressing during the growth of sweet potatoes, avoiding the loss of fertility caused by traditional one-time fertilization and the abnormal growth of sweet potato seedlings caused by excessive fertility in the early stage of planting. Under the condition of reasonable topdressing, it can ensure sufficient fertility during the expansion period of sweet potatoes, thereby ensuring the normal growth of sweet potatoes and avoiding the phenomenon of sweet potato abnormality and uneven surface caused by insufficient fertility;

[0035] 3. By controlling the expansion and contraction of the expansion tube, the internal porosity of the sweet potato ridge can be increased and the soil of the entire sweet potato ridge can be loosened, ensuring that the soil of the sweet potato ridge is soft and permeable throughout the sweet potato growth cycle, especially during the expansion period. While loosening the soil and ensuring the looseness of the soil, the smoothness of the sweet potato surface can be improved, which solves the problem of rough sweet potato skin caused by over-compacted soil and low soil moisture content in traditional planting processes, which is conducive to promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic structural diagram of a soil ridging treatment device for improving the smoothness of the sweet potato skin proposed by the present invention;

[0037] Figure 2 This is a schematic diagram of the distribution of the air supply pipes proposed by the present invention within the sweet potato ridges;

[0038] Figure 3 This is a schematic diagram of the distribution of the water supply pipes proposed by the present invention within the sweet potato ridge;

[0039] Figure 4 This is a schematic diagram of the state when the air supply pipe and the water supply pipe are supported by the support rods proposed by the present invention.

[0040] In the figure: air supply pipe 1, water supply pipe 2, expansion pipe 3, seepage pipe 4, first connecting pipe 5, second connecting pipe 6, high-pressure gas storage tank 7, water and fertilizer supply box 8, air compressor 9, first valve 10, vent pipe 11, second valve 12, exhaust valve 13, third valve 14. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0042] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0043] Embodiment 1

[0044] Reference Figure 1-3 A soil ridge treatment device for improving the smoothness of sweet potato skin includes an air supply pipe 1, a water supply pipe 2, a high-pressure gas storage tank 7, and a water and fertilizer supply box 8. The air supply pipe 1 and the water supply pipe 2 are both pre-buried in the sweet potato ridge. The air supply pipe 1 and the water supply pipe 2 are both rubber pipes. The air supply pipe 1 is in a non-expanded state when transporting high-pressure gas. The distance between the air supply pipe 1 and the water supply pipe 2 and the top of the sweet potato ridge is 7CM.

[0045] The part of the air supply pipe 1 located in the sweet potato ridge is associated with a number of expansion pipes 3 arranged at intervals. The expansion pipes 3 are in an arc-shaped state. A first connecting pipe 5 is connected between the top of the expansion pipe 3 and the corresponding air supply pipe 1. The expansion pipe 3 is a rubber hose, and when the expansion pipe 3 is filled with high-pressure gas, the tube body expands and becomes thicker.

[0046] Both ends of the expansion tube 3 are in a blocked and closed state, the distance between the two ends of the expansion tube 3 located in the sweet potato ridge is 32CM, and the distance between the end of the expansion tube 3 and the bottom of the sweet potato ridge is 4CM.

[0047] The part of the water supply pipe 2 located in the sweet potato ridge is associated with a number of seepage pipes 4 arranged at intervals. The seepage pipes 4 are in an arc-shaped state. A second connecting pipe 6 is connected between the top of the seepage pipe 4 and the corresponding air supply pipe 1. Both ends of the seepage pipe 4 are in a sealed closed state.

[0048] The ends of the air supply pipe 1 and the water supply pipe 2 located inside the sweet potato ridge are sealed and closed, and the other end of the air supply pipe 1 extends outside the sweet potato ridge and is connected to the high-pressure gas storage tank 7. The high-pressure gas storage tank 7 is connected to the air compressor 9 through the air inlet, and the air outlet of the high-pressure gas storage tank 7 is provided with a first valve 10.

[0049] The portion of the air supply pipe 1 connected to the air outlet of the air compressor 9 is provided with an air release pipe 11, a second valve 12 is provided on the air release pipe 11, and an exhaust valve 13 is provided at the end of the air release pipe 11 away from the air supply pipe 1;

[0050] The other end of the water supply pipe 2 extends to the outside of the sweet potato ridge and is connected to the water and fertilizer supply box 8. A third valve 14 is provided at the end of the water supply pipe 2 connected to the water and fertilizer supply box 8.

[0051] Embodiment 2

[0052] Based on the above embodiment 1, refer to Figure 4 , a method for using a soil ridging treatment device for improving the smoothness of sweet potato skin, the steps are as follows:

[0053] S1: For the sweet potato planting area, select a suitable area to place the high-pressure gas storage tank 7, the water and fertilizer supply box 8, and the air compressor 9;

[0054] S2: Plough and crush the soil in the sweet potato planting area, and screen out the gravel in the soil;

[0055] S3: setting the sweet potato ridge area, the interval between the sweet potato ridges in the set sweet potato ridge area is 75CM;

[0056] S4: Based on step S3, the air supply pipe 1 and the water supply pipe 2 are laid out, and the air supply pipe 1 and the water supply pipe 2 are bundled at intervals. At the same time, the bundled air supply pipe 1 and the water supply pipe 2 are further tied to the support rod, and it is ensured that the distance between the end of the expansion pipe 3 and the planting soil surface is 4-5CM;

[0057] S5: Covering the set sweet potato ridge area with soil, and when gradually covering the soil to the binding position of the air supply pipe 1, the water supply pipe 2 and the support rod, loosening the binding position and pulling out the support rod;

[0058] S6: Based on step S5, further covering the soil until the sweet potato ridges are formed, the height of the formed sweet potato ridges is 32CM and the width is 73CM, and support rods with a length of 1.2 meters are inserted into the planting soil surface at intervals to ensure that the insertion depth is 20CM;

[0059] S7: Connect the leaking end of the air supply pipe 1, the air release pipe 11, the high-pressure air storage tank 7, and the air compressor 9, and install the corresponding first valve 10, the second valve 12, and the exhaust valve 13;

[0060] S8: Based on step S7, high-pressure air is charged into the high-pressure gas storage tank 7 through the air compressor 9. Based on the high-pressure air in the high-pressure gas storage tank 7, when the first valve 10 is opened and the second valve 12 is closed, the high-pressure air will move into the expansion tube 3 and make the expansion tube 3 in an inflated state. After further closing the first valve 10 and opening the second valve 12, the air is slowly exhausted through the exhaust valve 13. At this time, the gap formed by the contraction of the expansion tube 3 realizes the loosening of the sweet potato ridges and ensures the softness and permeability of the soil.

[0061] S9: Connect the leaking end of the water supply pipe 2 and the water and fertilizer supply box 8 and install the corresponding third valve 14;

[0062] S10: Based on step S9, when the third valve 14 is opened, water or fertilizer-containing water is applied to the sweet potato ridges through the water and fertilizer supply box 8;

[0063] S11: During the expansion period of the sweet potato growth process, the operations of steps S8 and S10 are performed as needed to improve the smoothness of the sweet potato skin.

[0064] To sum up: the present invention aims at the moisture problem of sweet potato ridges. When the soil moisture is low, water can be applied to the sweet potato ridges through the water-fertilizer supply box 8, the water supply pipe 2, and the seepage pipe 4. The water is applied specifically to the inside of the sweet potato ridges, avoiding the traditional method of watering the surface of the sweet potato ridges. The water directly reaches the inside of the sweet potato ridges, promoting the sweet potatoes to absorb water, and at the same time avoiding the phenomenon of sweet potato deformities and uneven surfaces caused by insufficient moisture. It further avoids the phenomenon of soil compaction and compaction on the surface of the sweet potato ridges caused by traditional watering methods, thereby ensuring the air permeability of the sweet potato ridge surface.

[0065] Water and fertilizer can be applied to the sweet potato ridges through the water and fertilizer supply box 8, the water supply pipe 2, and the seepage pipe 4, which is beneficial to reasonable topdressing during the growth of the sweet potatoes, avoiding the loss of fertilizer caused by traditional one-time fertilization and the abnormal growth of the sweet potato seedlings due to excessive fertilizer in the early stage of planting. Under the condition of reasonable topdressing, it can ensure that the fertilizer is sufficient during the sweet potato expansion period, thereby ensuring the normal growth of the sweet potatoes and avoiding the phenomenon of sweet potato deformity and uneven surface caused by insufficient fertilizer.

[0066] By controlling the expansion and contraction of the expansion tube 3, the internal porosity of the sweet potato ridge can be increased and the soil of the entire sweet potato ridge can be loosened, ensuring that the soil of the sweet potato ridge is soft and permeable throughout the sweet potato growth cycle, especially during the expansion period. While loosening the soil and ensuring the looseness of the soil, the smoothness of the sweet potato surface can be improved, thus solving the problem of rough sweet potato skin caused by over-compacted soil and low soil moisture content in traditional planting processes, which is conducive to promotion and application.

[0067] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A soil ridging treatment device for improving the smoothness of sweet potato skin, comprising an air supply pipe (1), a water supply pipe (2), a high-pressure air storage tank (7), and a water and fertilizer supply box (8), characterized in that: The air supply pipe (1) and the water supply pipe (2) are both pre-buried in the sweet potato ridges; The portion of the air supply pipe (1) located in the sweet potato ridge is associated with a plurality of expansion pipes (3) arranged at intervals, the expansion pipes (3) are in an arc-shaped state, and a first connecting pipe (5) is connected between the top end of the expansion pipe (3) and the corresponding air supply pipe (1); The portion of the water supply pipe (2) located in the sweet potato ridge is associated with a plurality of seepage pipes (4) arranged at intervals, the seepage pipes (4) are in an arc-shaped state, and a second connecting pipe (6) is connected between the top end of the seepage pipe (4) and the corresponding air supply pipe (1); The ends of the air supply pipe (1) and the water supply pipe (2) located inside the sweet potato ridge are blocked and closed, the other end of the air supply pipe (1) extends outside the sweet potato ridge and is connected to a high-pressure gas storage tank (7), the high-pressure gas storage tank (7) is connected to an air compressor (9) via an air inlet, and a first valve (10) is provided at the air outlet of the high-pressure gas storage tank (7); A vent pipe (11) is installed at the portion of the air supply pipe (1) connected to the air outlet of the air compressor (9), a second valve (12) is installed on the vent pipe (11), and an exhaust valve (13) is installed at one end of the vent pipe (11) away from the air supply pipe (1); The other end of the water supply pipe (2) extends outside the sweet potato ridge and is connected to the water and fertilizer supply box (8); a third valve (14) is provided at the end of the water supply pipe (2) connected to the water and fertilizer supply box (8).

2. A soil ridging treatment device for improving the smoothness of sweet potato skin according to claim 1, characterized in that: The air supply pipe (1) and the water supply pipe (2) are both rubber pipes, and the air supply pipe (1) is in a non-expanded state when conveying high-pressure gas.

3. A soil ridging treatment device for improving the smoothness of sweet potato skin according to claim 1, characterized in that: The distance between the air supply pipe (1) and the water supply pipe (2) and the top of the sweet potato ridge is 6-8 cm.

4. The soil ridging treatment device for improving the smoothness of the sweet potato skin according to claim 1, characterized in that: The expansion tube (3) is a rubber hose, and when high-pressure gas is filled into the expansion tube (3), the tube body expands and becomes thicker.

5. The soil ridging treatment device for improving the smoothness of the sweet potato skin according to claim 1, characterized in that: Both ends of the expansion tube (3) are in a blocked and closed state, the distance between the two ends of the expansion tube (3) located in the sweet potato ridge is 30-35CM, and the distance between the end of the expansion tube (3) and the bottom of the sweet potato ridge is 4-5CM.

6. The soil ridging treatment device for improving the smoothness of the sweet potato skin according to claim 1, characterized in that: Both ends of the water seepage pipe (4) are in a blocked and closed state.

7. The method for using the soil ridging treatment device for improving the smoothness of the sweet potato skin according to any one of claims 1 to 6, characterized in that: Here are the steps: S1: For the sweet potato planting area, select a suitable area to place the high-pressure gas storage tank (7), the water and fertilizer supply box (8), and the air compressor (9); S2: Ploughing and breaking up the soil in the sweet potato planting area; S3: Set the sweet potato ridge area, use 1.2-meter-long support poles to insert into the planting soil surface at intervals, and ensure that the insertion depth is 20CM; S4: Based on step S3, the air supply pipe (1) and the water supply pipe (2) are laid out, and the air supply pipe (1) and the water supply pipe (2) are bundled at intervals, and the bundled air supply pipe (1) and the water supply pipe (2) are further tied to the support rod, and the distance between the end of the expansion pipe (3) and the planting soil surface is ensured to be 4-5 cm; S5: Covering the set sweet potato ridge area with soil and forming ridges. When the soil is gradually covered to the binding position of the air supply pipe (1), the water supply pipe (2) and the support rod, the binding position is loosened and the support rod is pulled out; S6: Based on step S5, further covering with soil until the sweet potatoes are ridged; S7: Connect the leaking end of the air supply pipe (1), the air release pipe (11), the high-pressure air storage tank (7), and the air compressor (9), and install the corresponding first valve (10), the second valve (12), and the exhaust valve (13); S8: Based on step S7, high-pressure air is charged into the high-pressure gas storage tank (7) through the air compressor (9). Based on the high-pressure air in the high-pressure gas storage tank (7), when the first valve (10) is opened and the second valve (12) is closed, the high-pressure air moves into the expansion tube (3) and puts the expansion tube (3) in an inflated state. After the first valve (10) is further closed and the second valve (12) is opened, the air is slowly exhausted through the exhaust valve (13). At this time, the gap formed by the contraction of the expansion tube (3) can realize the loosening of the sweet potato soil and ensure the softness and permeability of the soil. S9: Connect the leaking end of the water supply pipe (2) and the water and fertilizer supply box (8) and install a corresponding third valve (14); S10: Based on step S9, when the third valve (14) is opened, water or fertilizer-containing water is applied to the sweet potato ridges through the water and fertilizer supply box (8); S11: During the expansion period of the sweet potato growth process, the operations of steps S8 and S10 are performed as needed to improve the smoothness of the sweet potato skin.

8. The method for using the soil ridging treatment device for improving the smoothness of the sweet potato skin according to claim 7, characterized in that: During step S2, gravel in the soil is screened and selected.

9. The method for using the soil ridging treatment device for improving the smoothness of the sweet potato skin according to claim 7, characterized in that: In step S3, the interval between the sweet potato ridges in the sweet potato ridge forming area is set to 70-80CM; in step S6, the height of the formed sweet potato ridges is 30-35CM and the width is 70-75CM.

Citation Information

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