CN111774150A

CN111774150A - Soil fertilizer injection unit is used to agricultural

Info

Publication number: CN111774150A
Application number: CN202010659378.8A
Authority: CN
Inventors: 王秀芝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-10-16

Abstract

The invention discloses an agricultural soil fertilizing device, which comprises a box body, wherein a stirring box is arranged on the left side above the box body, a fertilizer conveying box is arranged on the left side above the inside of the box body, a fertilizer outlet pipeline is arranged on the right side below the fertilizer conveying box, rolling wheels are arranged at four corners below the box body, two rolling wheels at the right end of the box body are connected through rolling shafts, a first helical gear is arranged in the middle of each rolling shaft, a second helical gear is arranged above each first helical gear, and a first fixing shaft is arranged in the center of each second helical gear. When the device runs, the stirring box is used for crushing the caked fertilizer, the rolling shaft is driven to rotate, so that the stroke of the fertilizer outlet hole is occasionally coincided with the fertilizer outlet pipeline, the fertilizer flows out of the fertilizer outlet hole, the soil is fertilized, the rolling wheel continuously rotates through the walking of the device, the fertilizer is uniformly scattered on the soil, a power mechanism is not used for uniformly scattering the fertilizer, the loss of electric energy is reduced, the energy is saved, and the device is suitable for being popularized in a large scale.

Description

Soil fertilizer injection unit is used to agricultural

Technical Field

The invention relates to the technical field of agricultural fertilization, in particular to a soil fertilization device for agriculture.

Background

Agriculture is an industry that produces food and industrial materials by cultivating animals and plants. Agriculture belongs to the first industry, agricultural labor objects are living animals and plants, obtained products are the animals and plants, all departments of the products are obtained by utilizing growth and development laws of organisms such as the animals and the plants through artificial cultivation, the agriculture is generally called agriculture which is a basic product supporting national economic construction and development, the agriculture is a production department which utilizes living functions of animals and plants to convert substances in the nature and products which can be needed by human beings, the agriculture at the present stage is divided into two categories of plant cultivation and animal feeding, land is irreplaceable basic production data in the agriculture, labor objects are mainly living animals and plants, the production time is inconsistent with the labor time, the influence of natural conditions is large, the region and the seasonality are obvious, the agriculture is a source of human clothes and food and is a principal condition of all production, and grains, food, national food, living materials and food are provided for other departments of national economy, Non-staple food, industrial raw materials, capital and export supplies.

At present, many agricultural fertilizies all rely on the manual work to accomplish, and fertilization inefficiency, fertilization inhomogeneous simultaneously leads to crops to grow inhomogeneous, causes the yield reduction, consequently needs an agricultural soil fertilizer injection unit of even fertilization.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an agricultural soil fertilizing device.

In order to achieve the purpose, the invention adopts the following technical scheme:

an agricultural soil fertilizing device comprises a box body, wherein a stirring box is arranged on the left side above the box body, a fertilizer conveying box is arranged on the left side above the inside of the box body, a fertilizer outlet pipeline is arranged on the right side below the fertilizer conveying box, rolling wheels are arranged on four corners below the box body, two rolling wheels at the right end of the box body are connected through a rolling shaft, a first helical gear is arranged in the middle of the rolling shaft, a second helical gear is arranged above the first helical gear, a first fixing shaft is arranged in the center of the second helical gear and connected with a box body bearing, an incomplete gear is arranged on the first fixing shaft, a driven gear is arranged on the left side of the incomplete gear, a second fixing shaft is arranged in the center of the driven gear and connected with the box body bearing, and a straight gear rod is arranged on the rear side of the incomplete gear, the front side of the straight toothed bar is toothed, a fertilizer outlet hole is formed in the left side of the inside of the straight toothed bar, the straight toothed bar penetrates through a fertilizer outlet pipeline, a second fixing block is arranged on the straight toothed bar, and the second fixing block is fixedly connected with the box body.

As a still further scheme of the invention: the top left side of agitator tank is provided with the feed inlet, the top of feed inlet is provided with the open-close board, the top of agitator tank is provided with first motor case, the inside left side of first motor case is provided with the second fixed plate, the right side of second fixed plate is provided with the second motor, the output of second motor is provided with the (mixing) shaft, be provided with a plurality of puddler on the (mixing) shaft.

As a still further scheme of the invention: the inside below of agitator tank is provided with the filter, the (mixing) shaft is connected with the filter bearing, the bottommost puddler and filter contact.

As a still further scheme of the invention: send the left side of fertile case to be provided with the second motor case, the inside below of second motor case is provided with first fixed plate, the top of first fixed plate is provided with first motor, the output of first motor is provided with and sends fertile axle, send fertile axle to run through the left side of sending fertile case, send fertile epaxial spiral thin slice that is provided with of fertile.

As a still further scheme of the invention: the box is characterized in that a connecting plate is arranged above the right side of the box body, and a plurality of connecting holes are formed in one end, far away from the box body, of the connecting plate.

As a still further scheme of the invention: the hydraulic pipe is arranged in the box body and on the right side of the fertilizer outlet pipeline, the hydraulic telescopic pipe is arranged below the hydraulic pipe, the ditching block is arranged below the hydraulic telescopic pipe, and the front portion of the ditching block is pointed.

As a still further scheme of the invention: and a soil returning plate is arranged below the box body and on the left side of the fertilizer outlet pipeline.

As a still further scheme of the invention: the right side of the lower end of the fertilizer outlet pipeline is provided with a first fixed block, the right side of the first fixed block is provided with a flow control plate, and the flow control plate is connected with the first fixed block through a flow control bolt.

The invention has the beneficial effects that:

1. by arranging the rolling wheel, the first helical gear, the second helical gear, the incomplete gear, the straight toothed bar and the driven gear, when the device runs, the stirring box is utilized to crush caked fertilizer, and the caked fertilizer is sent to the fertilizer outlet pipeline through the fertilizer sending box, when the device runs forwards, the rolling wheel rotates to drive the rolling shaft to rotate, so that the first helical gear on the rolling shaft rotates, the second helical gear rotates, the incomplete gear rotates through the first fixed shaft, the driven gear rotates left and right, the straight toothed bar slides on the second fixed block, so that the stroke of the fertilizer outlet hole is coincided with the fertilizer outlet pipeline occasionally, the fertilizer flows out of the fertilizer outlet hole, the soil fertilization is completed, the rolling wheel continuously rotates through the running of the device, the fertilizer is uniformly distributed on the soil, a power mechanism is not utilized to uniformly distribute the fertilizer, and the loss of electric energy is reduced, energy is saved, and the method is suitable for mass popularization;

2. by arranging the second motor, the stirring shaft and the stirring rod, when the device operates, fertilizer is poured into the stirring box by utilizing the feed inlet, the second motor is started to drive the stirring shaft to rotate, so that the stirring rod rotates, and the condensed fertilizer blocks are crushed, so that the fertilizer can be better scattered, the fertilizer outlet pipeline is prevented from being blocked by massive fertilizer, and the practicability of the fertilizer outlet pipeline is improved;

3. by arranging the filter plate, fertilizer can pass through the filter plate only after being fully crushed by utilizing the filter plate, so that the fertilizer application to soil is finished, and the filter on the filter plate is prevented from being blocked by massive fertilizer due to the contact of the lowermost stirring rod and the filter plate, so that the operation of the device is influenced, and the practicability of the device is improved;

4. by arranging the first motor, the fertilizer conveying shaft and the spiral sheets, when the device runs, fertilizer enters the fertilizer conveying box after being filtered by the filter plate, the first motor is started, the spiral sheets on the fertilizer conveying shaft rotate, and a rightward stroke is formed on the fertilizer in the fertilizer conveying box, so that the fertilizer enters the fertilizer outlet pipeline, and the fertilizer enters the fertilizer outlet pipeline at a constant speed by utilizing the rotation of the spiral sheets, so that the effect of uniform fertilization is achieved, and the practicability of the fertilizer is improved;

5. by arranging the connecting plate, the device can be connected with the motor vehicle by utilizing the connecting hole, manual dragging or pulling is omitted, and the practicability of the device is improved;

6. by arranging the ditching block, the hydraulic pipe and the hydraulic telescopic pipe, the device separates soil by using the ditching block when advancing, so that fertilizer is sprayed in a ditch, the soil is convenient to absorb, and the ditching block can move up and down by using the hydraulic pipe, so that the ditching block is convenient to store and push out;

7. by arranging the soil returning plate, the grooves formed by the ditching blocks are filled and leveled by the soil returning plate, and the sprayed fertilizer is buried, so that the chemical fertilizer is prevented from melting and evaporating due to too long sunlight irradiation, and the practicability of the chemical fertilizer is improved;

8. through setting up accuse flow board, accuse flow bolt and first fixed block, when the flow that the fertilizer in the play fertilizer pipeline flowed out is great, utilize accuse flow bolt to precession inwards, make accuse flow board upwards swing to the fertilizer outflow speed of control play fertilizer pipeline increases its suitability.

Drawings

FIG. 1 is a schematic front view of an agricultural soil fertilizer apparatus as set forth in example 1;

FIG. 2 is a right side view showing the right side structure of the case of the soil fertilizing apparatus for agricultural use as set forth in embodiment 1;

FIG. 3 is a schematic top view of a straight-toothed bar connection of the soil fertilizing apparatus for agricultural use as set forth in embodiment 1;

FIG. 4 is a schematic structural view of a straight rack bar of the soil fertilizing apparatus for agriculture according to embodiment 1;

FIG. 5 is a schematic structural view of a ditching block of the agricultural soil fertilizer apparatus provided in embodiment 1;

FIG. 6 is a schematic front view of the agricultural soil fertilizer apparatus as set forth in example 2;

FIG. 7 is a schematic front view showing the operation of a flow control plate of the agricultural soil fertilizing apparatus as set forth in embodiment 2.

In the figure: 1-feed inlet, 2-first fixed plate, 3-fertilizer feeding box, 4-first motor, 5-fertilizer feeding shaft, 6-spiral slice, 7-fertilizer outlet pipeline, 8-soil returning plate, 9-ditching block, 10-rolling wheel, 11-rolling shaft, 12-first helical gear, 13-second helical gear, 14-first fixed shaft, 15-incomplete gear, 16-driven gear, 17-straight toothed bar, 18-fertilizer outlet hole, 19-opening plate, 20-first motor box, 21-second motor box, 22-second fixed plate, 23-second motor, 24-stirring shaft, 25-stirring bar, 26-stirring box, 27-filtering plate, 28-connecting plate, 29-flow control plate, 30-flow control bolt, 31-a first fixed block, 32-a hydraulic pipe, 33-a hydraulic telescopic pipe, 34-a second fixed block, 35-a box body and 36-a second fixed shaft.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1 to 5, an agricultural soil fertilizing device comprises a box body 35, a stirring box 26 is bolted on the left side above the box body 35, a fertilizer feeding box 3 is arranged on the left side above the inside of the box body 35, a fertilizer discharging pipeline 7 is arranged on the right side below the fertilizer feeding box 3, rolling wheels 10 are connected on four corners below the box body 35 in a rolling manner, the two rolling wheels 10 on the right end of the box body 35 are connected through a rolling shaft 11, a first helical gear 12 is fixed on the middle shaft of the rolling shaft 11, a second helical gear 13 is connected above the first helical gear 12 in a meshing and linking manner, a first fixed shaft 14 is connected with the central shaft of the second helical gear 13, the first fixed shaft 14 is connected with the box body 35 through a bearing, an incomplete gear 15 is fixed on the first fixed shaft 14, a driven gear 16 is connected on the left side of the incomplete gear 15 in a meshing manner, a second fixed shaft 36 is fixed on the central, the rear side of the incomplete gear 15 is connected with a straight toothed bar 17 in a meshed mode, the front side of the straight toothed bar 17 is toothed, a fertilizer outlet hole 18 is formed in the left side inside the straight toothed bar 17, the straight toothed bar 17 penetrates through the fertilizer outlet pipeline 7, a second fixed block 34 is connected onto the straight toothed bar 17 in a sliding mode, the second fixed block 34 is fixedly connected with a box body 35, when the device runs, agglomerated fertilizer is crushed through a stirring box 6 and then is conveyed to the fertilizer outlet pipeline 7 through a fertilizer conveying box 3, when the device runs forwards, a rolling wheel 10 rotates to drive a rolling shaft 11 to rotate, a first helical gear 12 on the rolling wheel rotates to enable a second helical gear 13 to rotate, the incomplete gear 15 rotates through a first fixed shaft 14 to enable a driven gear 16 to rotate left and right, the straight toothed bar 17 slides on the second fixed block 34, the stroke of the fertilizer outlet hole 18 is coincided with the fertilizer outlet pipeline 7 occasionally, and the fertilizer flows out of the fertilizer outlet hole 18, the completion is fertilizied to soil, through the walking of device, makes the rotation that rolls wheel 10 and does not stop to make even the scattering of fertilizer on soil, do not utilize power unit to accomplish the even scattering to fertilizer, reduce the loss of electric energy, the energy saving is fit for promoting in a large number.

Wherein, the top left side of agitator tank 26 is provided with feed inlet 1, the top of feed inlet 1 is provided with open-close board 19, agitator tank 26's top bolted connection has first motor case 20, the inside left side bolted connection of first motor case 20 has second fixed plate 22, the right side bolted connection of second fixed plate 22 has second motor 23, the output shaft of second motor 23 is fixed with (mixing) shaft 24, bolted connection has a plurality of puddler 25 on the (mixing) shaft 24, when the device operation, utilize feed inlet 1 toward pouring fertilizer in agitator tank 26, start second motor 23, drive (mixing) shaft 24 and rotate, it is rotatory to make puddler 25, make the fertilizer piece that condenses carry out shredding, so that better divide to spill fertilizer, prevent that bold fertilizer from blocky 7 blocking out fertile pipeline, increase its practicality.

Wherein, agitator tank 26's inside below bolted connection has filter 27, (mixing) shaft 24 and filter 27 bearing connection, the puddler 25 and the contact of filter 27 at the bottom utilize filter 27 to make fertilizer only after abundant smashing, just can pass through filter 27 to the completion is to the fertilization of soil, because puddler 25 and filter 27 contact at the bottom prevent that massive fertilizer from blockking up the filtration sky on the filter 27, influence the device operation, increase its practicality.

Wherein, send the left side bolted connection of fertile case 3 to have second motor case 21, the inside below bolted connection of second motor case 21 has first fixed plate 2, the top bolted connection of first fixed plate 2 has first motor 4, the output shaft of first motor 4 is fixed with and sends fertile axle 5, send fertile axle 5 to run through the left side of sending fertile case 3, it has spiral thin slice 6 to send to have bolted connection on the fertile axle 5, when the device moves, fertilizer gets into after filter 7 filters and sends fertile case 3, start first motor 4, make and send the rotation of spiral thin slice 6 on fertile axle 5, can form a right stroke to the fertilizer in sending fertile case 3, thereby make fertilizer get into out fertile pipeline 7, utilize spiral thin slice 6 rotatory, make fertilizer get into out fertile pipeline 7 at the uniform velocity, reach the effect of evenly fertilizing, increase its practicality.

Wherein, the bolted connection of the right side top of box 35 has connecting plate 28, and the one end that connecting plate 28 kept away from box 35 has seted up a plurality of connecting hole, utilizes the connecting hole to make device and motor vehicle connect, has saved artifical the dragging or the pulling, increases its practicality.

Wherein, in the box 35 and there is hydraulic pressure pipe 32 at the right side bolted connection of going out fertile pipeline 7, the flexible pipe 33 of hydraulic pressure is inserted to the below of hydraulic pressure pipe 32 and is connected with, the below bolted connection of the flexible pipe 33 of hydraulic pressure has ditching piece 9, the front portion of ditching piece 9 is sharp form, the device utilizes ditching piece 9 to make soil separately when advancing, make fertilizer spray in the ditch, make things convenient for the absorption of soil, utilize hydraulic pressure pipe 32, make ditching piece 9 can reciprocate, make things convenient for accomodating and releasing of ditching piece 9.

Wherein, the below of box 35 just rotates in the left side of going out fertile pipeline 7 and is connected with return soil board 8, and the slot that ditching piece 9 was opened utilizes return soil board 8 to make it fill and level up, buries the fertilizer that sprays, prevents that the sunlight from shining too for a long time, causes the chemical fertilizer to melt the evaporation, increases its practicality.

The working principle is as follows: when the device runs, caking fertilizer is crushed by the stirring box 6 and then is conveyed to the fertilizer outlet pipeline 7 through the fertilizer conveying box 3, when the device runs forwards, the rolling wheel 10 rotates to drive the rolling shaft 11 to rotate, so that the first helical gear 12 on the rolling shaft rotates, the second helical gear 13 rotates, the incomplete gear 15 rotates through the first fixed shaft 14, the driven gear 16 rotates left and right, the straight-tooth rod 17 slides on the second fixed block 34, the stroke of the fertilizer outlet hole 18 is occasionally superposed with the fertilizer outlet pipeline 7, fertilizer flows out of the fertilizer outlet hole 18 to complete the fertilization of soil, and the rolling wheel 10 continuously rotates through the running of the device, so that the fertilizer is uniformly distributed on the soil, a power mechanism is not used for completing the uniform distribution of the fertilizer, the loss of electric energy is reduced, the energy is saved, and the device is suitable for large-scale popularization; when the device operates, fertilizer is poured into the stirring box 26 through the feeding hole 1, the second motor 23 is started to drive the stirring shaft 24 to rotate, the stirring rod 25 is made to rotate, and the condensed fertilizer blocks are crushed, so that the fertilizer can be better scattered, the fertilizer outlet pipeline 7 is prevented from being blocked by massive fertilizer, and the practicability of the fertilizer outlet pipeline is improved; the fertilizer can pass through the filter plate 27 only after being fully crushed by the filter plate 27, so that the fertilizer application to the soil is completed, and the filter rod 25 at the bottom is in contact with the filter plate 27, so that the phenomenon that the massive fertilizer blocks the filtering space on the filter plate 27 to influence the operation of the device is prevented, and the practicability of the device is improved; when the device operates, fertilizer enters the fertilizer feeding box 3 after being filtered by the filter plate 7, the first motor 4 is started to enable the spiral thin sheet 6 on the fertilizer feeding shaft 5 to rotate, a rightward stroke is formed on the fertilizer in the fertilizer feeding box 3, so that the fertilizer enters the fertilizer outlet pipeline 7, the fertilizer enters the fertilizer outlet pipeline 7 at a constant speed by utilizing the rotation of the spiral thin sheet 6, the effect of uniform fertilization is achieved, and the practicability of the fertilizer is improved; the device and the motor vehicle can be connected by utilizing the connecting hole, so that manual dragging or pulling is omitted, and the practicability of the device is improved; when the device advances, the ditching block 9 is utilized to separate soil, fertilizer is sprayed in a ditch, so that the soil can be conveniently absorbed, the ditching block 9 can move up and down by utilizing the hydraulic pipe 32, and the ditching block 9 can be conveniently stored and pushed out; the ditch groove that the piece 9 was opened utilizes return soil board 8 to make it fill and level up, buries the fertilizer that sprays, prevents that the sunlight from shining too for a long time, causes the chemical fertilizer to melt the evaporation, increases its practicality.

Example 2

Referring to fig. 6 to 7, in this embodiment, compared with embodiment 1, the right side of the lower end of the fertilizer outlet pipe 7 is bolted with a first fixed block 31, the right side of the first fixed block 31 is rotatably connected with a flow control plate 29, the flow control plate 29 is bolted with the first fixed block 31 through a flow control bolt 30, when the flow rate of fertilizer flowing out from the fertilizer outlet pipe 7 is large, the flow control bolt 30 is screwed inwards, so that the flow control plate 29 swings upwards, thereby controlling the fertilizer flowing out speed of the fertilizer outlet pipe 7 and increasing the applicability of the fertilizer outlet pipe.

The working principle is as follows: when the fertilizer outflow flow in the fertilizer outlet pipeline 7 is large, the flow control bolt 30 is screwed inwards to enable the flow control plate 29 to swing upwards, so that the fertilizer outflow speed of the fertilizer outlet pipeline 7 is controlled, and the applicability of the fertilizer outlet pipeline is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The agricultural soil fertilization device comprises a box body (35), and is characterized in that a stirring box (26) is arranged on the left side of the upper portion of the box body (35), a fertilizer conveying box (3) is arranged on the left side of the upper portion inside the box body (35), a fertilizer outlet pipeline (7) is arranged on the right side of the lower portion of the fertilizer conveying box (3), rolling wheels (10) are arranged on four corners of the lower portion of the box body (35), the two rolling wheels (10) at the right end of the box body (35) are connected through a rolling shaft (11), a first helical gear (12) is arranged in the middle of the rolling shaft (11), a second helical gear (13) is arranged above the first helical gear (12), a first fixing shaft (14) is arranged at the center of the second helical gear (13), the first fixing shaft (14) is in bearing connection with the box body (35), an incomplete gear (15) is arranged on the first fixing shaft (14), the left side of incomplete gear (15) is provided with driven gear (16), the center of driven gear (16) is provided with second fixed axle (36), second fixed axle (36) and box (35) bearing connection, the rear side of incomplete gear (15) is provided with straight toothed bar (17), the front side of straight toothed bar (17) is the cusp, the inside left side of straight toothed bar (17) is provided with out fertile hole (18), straight toothed bar (17) run through out fertile pipeline (7), be provided with second fixed block (34) on straight toothed bar (17), second fixed block (34) and box (35) fixed connection.

2. The agricultural soil fertilization device according to claim 1, wherein a feed inlet (1) is formed in the left side above the stirring box (26), an opening plate (19) is arranged above the feed inlet (1), a first motor box (20) is arranged above the stirring box (26), a second fixing plate (22) is arranged on the left side inside the first motor box (20), a second motor (23) is arranged on the right side of the second fixing plate (22), a stirring shaft (24) is arranged at the output end of the second motor (23), and a plurality of stirring rods (25) are arranged on the stirring shaft (24).

3. An agricultural soil fertilizing device as claimed in claim 2, characterised in that a filter plate (27) is provided underneath the inside of the agitator tank (26), the agitator shaft (24) and the filter plate (27) are bearing connected, and the lowermost agitator bar (25) and the filter plate (27) are in contact.

4. An agricultural soil fertilization device according to claim 3, wherein a second motor box (21) is arranged on the left side of the fertilizer delivery box (3), a first fixing plate (2) is arranged below the inside of the second motor box (21), a first motor (4) is arranged above the first fixing plate (2), a fertilizer delivery shaft (5) is arranged at the output end of the first motor (4), the fertilizer delivery shaft (5) penetrates through the left side of the fertilizer delivery box (3), and a spiral slice (6) is arranged on the fertilizer delivery shaft (5).

5. An agricultural soil fertilization device according to claim 4, wherein a connecting plate (28) is arranged above the right side of the box body (35), and a plurality of connecting holes are formed in one end, away from the box body (35), of the connecting plate (28).

6. The agricultural soil fertilization device according to claim 5, wherein a hydraulic pipe (32) is arranged in the box body (35) and on the right side of the fertilizer outlet pipeline (7), a hydraulic telescopic pipe (33) is arranged below the hydraulic pipe (32), a ditching block (9) is arranged below the hydraulic telescopic pipe (33), and the front portion of the ditching block (9) is pointed.

7. An agricultural soil fertilizing device as claimed in claim 6, characterised in that a soil return plate (8) is provided below the tank (35) and to the left of the fertilizer outlet pipe (7).

8. An agricultural soil fertilization device according to claim 7, wherein a first fixing block (31) is arranged on the right side of the lower end of the fertilizer outlet pipe (7), a flow control plate (29) is arranged on the right side of the first fixing block (31), and the flow control plate (29) is in turn bolted with the first fixing block (31) through a flow control bolt (30).