CN116897629B - Grassland fertilizer applicator - Google Patents

Abstract

The invention relates to the technical field of fertilization, and specifically discloses a grassland fertilizer applicator, which includes a crushing rope and a ditching fertilizer spreader. The ditching fertilizer spreader includes a material box, a feeding rod and several feeding pipes, and each feeding pipe A trench opener 1 is installed at the bottom end of the pipe, and guide tubes are installed on both sides of the length direction of the material box. A trench opener 2 is installed at the bottom end of each guide tube, and a trench opener 2 is installed at both sides of the length direction of the material box. The rotating guide wheel is located above the guide tube. The opener one and the second opener are both provided with rope holes. One end of the crushing rope passes through the rope hole of the opener one and the rope hole of the opener two. , the inner cavity of the guide tube and is connected to the other end of the crushing rope. The crushing rope passes through the guide wheel, and a reciprocating driving part is installed on the material box. This grassland fertilizer applicator realizes uniform fertilization of grassland manure, and has less impact on the ecology of the grassland than plowing and fertilization. , the manure is placed below the roots of grassland plants to reduce the loss of manure and facilitate the absorption of nutrients by grassland plants.

Description

A kind of lawn fertilizer applicator

Technical field

The invention relates to the technical field of fertilization, specifically a grassland fertilizer applicator.

Background technique

The manure of cattle, sheep and other animals is composted to form manure. Manure is rich in organic matter and nutrients, which can improve the texture and structure of the soil, increase the water retention and aeration of the soil, promote the growth and development of plants, and provide nutrients for microorganisms in the soil. And energy promotes the activity of soil microorganisms, improves the ecosystem of grassland and promotes the healthy growth of grassland vegetation.

When applying manure on grassland, if the manure is spread directly on the grass, rain and wind will easily cause the loss of manure and affect the fertility of the manure; if the manure is spread and then plowed, the manure will be lost less, but it will easily cause wind erosion of the grassland soil. , water erosion, and the destruction of the grassland ecological environment, resulting in grassland degradation and difficulty in plant growth.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the existing defects and provide a grassland fertilizer applicator to achieve uniform fertilization of grassland manure. Compared with plowing and fertilization, it has less impact on the grassland ecology. The manure is placed below the roots of grassland plants to reduce the loss of manure. , to facilitate the absorption of nutrients by grassland plants.

In order to achieve the above object, the present invention provides the following technical solution: a grassland fertilizer applicator, including a crushing rope and a ditching fertilizer spreader. The ditching fertilizer spreader includes a material box, a feeding rod and the bottom side of the material box along its length direction. Several feeding pipes are provided, and a trench opener is installed at the bottom of each feeding pipe.

Guide tubes are installed on both sides of the length direction of the material box. The bottom end of each guide tube is equipped with a trencher 2. Rotating guides located above the guide tubes are installed on both sides of the material box length direction. wheel, and the first and second ditchers are provided with rope holes.

One end of the crushing rope passes through the rope hole of the opener one, the rope hole of the opener two, the inner cavity of the guide tube and is connected to the other end of the crushing rope. The crushing rope passes through the guide wheel, and the material box A reciprocating driving part is installed on the crushing rope to drive the crushing rope to reciprocate.

As a preferred technical solution of the present invention, the reciprocating driving member includes a driving mechanism installed on the material box and a reciprocating rod sliding parallel to the crushing rope. The output shaft of the driving mechanism is equipped with a swing rod arranged perpendicularly thereto. , one end of the swing rod away from the driving mechanism is rotationally connected to one end of the connecting rod, the other end of the connecting rod is rotationally connected to one end of the reciprocating rod, and the other end of the reciprocating rod is connected to the crushing rope.

As a preferred technical solution of the present invention, it also includes a one-way bearing, a rope reel and a planar scroll spring. The crushing rope is installed with a rope plate through a one-way bearing at a position corresponding to the reciprocating rod. The rope plate and the planar scroll spring are The inner end of the spring is connected, and the outer end of the flat scroll spring is connected to a reciprocating rod. A guide ring is installed on the reciprocating rod corresponding to the position of the rope drum. A pulling rope is wound around the rope drum. The pulling rope One end of the crusher passes through the guide ring and is connected to the material box. The crushing rope and the reciprocating rod are connected through bearings.

When the pulling rope on the rope drum is pulled out, the one-way bearing is locked in one direction and the pulling rope drives the crushing rope to rotate through the rope drum and the one-way bearing, and the plane scroll spring accumulates elastic potential energy.

When the pulling rope on the rope drum is retracted, the flat scroll spring drives the rope drum to rotate and the one-way bearing rotates freely.

As a preferred technical solution of the present invention, each trench opener is provided with a connecting rope, both ends of the connecting rope are connected to the crushing rope, and there is a trench opener between the two ends of the connecting rope. .

As a preferred technical solution of the present invention, the middle part of the connecting rope is connected to one end of the additional rope.

As a preferred technical solution of the present invention, no less than three cutting knives are installed on one end of the additional rope away from the connecting rope, and the length direction of the cutting knife is arranged parallel to the length direction of the additional rope.

As a preferred technical solution of the present invention, a breaking piece is installed on the crushing rope, and the crushing rope and the reciprocating rod are connected through a bearing.

As a preferred technical solution of the present invention, a rotating rotating shaft is installed on the bottom side of the material box, and crushing circular knives are installed on the positions of the rotating shaft corresponding to the opener one and the second opener.

As a preferred technical solution of the present invention, rotating guide rollers for supporting the crushing rope are installed inside the first trencher and the second trencher.

As a preferred technical solution of the present invention, the rope-passing hole of the first trencher and the rope-passing hole of the trencher second are both welded and thickened or both have structurally reinforcing rings fixed thereto.

Compared with the prior art, the beneficial effects of the present invention are:

1. In the grassland fertilizer applicator of the present invention, the manure in the conveying pipe falls into the soil layer through the trench opener. The crushing rope and the manure in the soil layer are located at the same height in the soil layer. The crushing rope drives the manure in the trench opener. Lateral movement achieves even distribution of manure in the crushed soil layer.

2. In the lawn fertilizer applicator of the present invention, the rope disc, plane scroll spring, pulling rope and one-way bearing realize the one-way rotation of the crushing rope. When the crushing rope encounters stones, the one-way rotating crushing rope and the stones The surfaces of the blocks are in contact, and the crushing rope moves upward or downward under the action of friction, so that the crushing rope can pass over the stones and reduce the obstruction of the crushing rope by the stones.

3. In the lawn fertilizer applicator of the present invention, on the one hand, the connecting rope moves back and forth with the crushing rope, and the connecting rope squeezes and crushes the soil blocks in the cutting soil layer, thereby increasing the air permeability of the grassland soil; on the other hand, the crushing rope passes through the connection The rope drives the additional rope to swing back and forth in the crushed soil. The swinging additional rope gathers the stones in the crushed soil on the center line between the two conveying pipes, which facilitates the gathering of stones in the crushed soil layer; on the other hand, the crushing The rope drives the cutting knife to swing back and forth in the crushed soil of the soil layer through the connecting rope and the additional rope. The cutting knife cuts the roots of the grass above the crushed soil to improve the soil compaction caused by the lateral growth and entanglement of the roots of grassland plants.

4. In the grassland fertilizer applicator of the present invention, grass seeds are added to the material box, and the crushing rope drives the cutting knife to swing back and forth in the crushed soil through the connecting rope and the additional rope. The cutting knife cuts the crushed soil layer up and down, prompting the crushed soil to mix up and down. The three-dimensional distribution of grass seeds is increased, and the cutting knife cuts the grass roots to facilitate the germination and growth of grass seeds.

Description of the drawings

Figure 1 is a schematic structural diagram of an embodiment of the present invention;

Figure 2 is an enlarged schematic diagram of the structure at A in Figure 1;

Figure 3 is an enlarged schematic diagram of the structure at B in Figure 1;

Figure 4 is a schematic structural diagram of Figure 1 from another perspective;

Figure 5 is a schematic partial cross-sectional structural diagram of Figure 1 from another perspective;

Figure 6 is a schematic structural diagram of another embodiment of the present invention;

Figure 7 is an enlarged schematic diagram of the structure at C in Figure 6;

Figure 8 is a schematic structural diagram of Figure 6 from another perspective.

In the picture: 1 material box, 2 crushing rope, 3 reciprocating driving parts, 301 driving mechanism, 302 swing rod, 303 connecting rod, 304 reciprocating rod, 4 guide wheel, 5 feeding rod, 6 feeding pipe, 7 guide pipe, 8 connecting rope, 9 additional rope, 10 breaking parts, 11 guide roller, 12 cutting knife, 13 crushing circular knife, 14 rotating shaft, 15 rope reel, 16 plane scroll spring, 17 guide ring, 18 pulling rope, 19 One way bearing.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on The embodiments of the present invention and all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Embodiment 1: Please refer to Figures 1-8. This embodiment discloses a grassland fertilizer applicator, which includes a crushing rope 2 and a ditching fertilizer spreader. The ditching fertilizer spreader includes a material box 1, a feeding rod 5 and a material box 1. Several feeding pipes 6 are arranged along the length direction of the material box 1 on the bottom side. The top of the feeding pipes 6 is connected with the bottom side of the inner cavity of the material box 1, and a trench opener is installed at the bottom end of each feeding pipe 6. The feeding rod 5 is located at the bottom of the inner cavity of the feeding box 1. The feeding rod 5 contains manure. When the feeding rod 5 rotates, the manure in the feeding rod 5 is transported into the feeding pipe 6 by the feeding rod 5.

Guide tubes 7 are installed on both sides of the length direction of the material box 1 through mounting brackets. The bottom end of each guide tube 7 is equipped with a trencher 2. Both sides of the material box 1 in the length direction are equipped with guide tubes 7 Rope holes are provided on the rotating guide wheel 4 above, the first opener and the second opener, and the first and second openers separate the soil layer of the grassland.

One end of the crushing rope 2 passes through the rope hole of the trencher 1, the rope hole of the trencher 2, the inner cavity of the guide tube 7 and is connected to the other end of the crushing rope 2. The crushing rope 2 passes through the guide wheel 4, and the crushing rope 2 is tightened, and the reciprocating driving part 3 that drives the crushing rope 2 to reciprocate is installed on the material box 1.

The working process and principle of this embodiment are:

The trenching fertilizer spreader in the present invention is a common agricultural machinery in the prior art. The feeding roller 5 of the trenching fertilizer spreading machine is driven by a traction vehicle chain gear drive, an external air pump or an external motor.

Add manure into the material box 1 and spread it out. The grassland fertilizer applicator is installed on the rear side of the external tractor vehicle. The external tractor vehicle drives and the grassland fertilizer applicator is lowered in height. The first and second openers enter the grassland soil. , and the reciprocating driving member 3 drives the crushing rope 2 to reciprocate, and the crushing rope 2 cuts and crushes the soil layer.

The feeding rod 5 is driven to rotate by external power. When the feeding rod 5 rotates, the manure in the bin 1 is transported by the feeding rod 5 into the feeding pipe 6, and then the manure in the feeding pipe 6 falls into the In the soil layer, the crushing rope 2 and the manure in the soil layer are located at the same height in the soil layer. The crushing rope 2 drives the manure in the opener to move laterally to achieve even distribution of the manure in the crushed soil layer.

This grassland fertilizer applicator realizes uniform fertilization of grassland manure. Compared with plowing and fertilization, it has less impact on the grassland ecology. The manure is placed below the roots of grassland plants to reduce the loss of manure and facilitate the absorption of nutrients by grassland plants.

Preferably, in this embodiment, the reciprocating drive member 3 is a piston-type hydraulic cylinder that provides hydraulic oil for the external traction vehicle.

Preferably, the crushing rope 2 enters the soil layer 2.0-10.0cm below the ground.

After the first and second openers separate the grass and turf, the grass and turf return to their original position under their own weight or artificial assistance turns over the soil with the grass roots upward.

Embodiment 2: As shown in Figures 1 and 2, this embodiment discloses a lawn fertilizer applicator. Its structure is roughly the same as that of Embodiment 1. The difference is that the reciprocating driving member 3 in this embodiment includes a The driving mechanism 301 on the material box 1 and the reciprocating rod 304 sliding parallel to the crushing rope 2. The material box 1 is fixed with a guide snap ring. The reciprocating rod 304 slides through the guide snap ring. The output shaft of the driving mechanism 301 is installed with a guide snap ring. The swing rod 302 is arranged vertically. One end of the swing rod 302 away from the driving mechanism 301 is rotationally connected to one end of the connecting rod 303. The other end of the connecting rod 303 is rotationally connected to one end of the reciprocating rod 304. The other end of the reciprocating rod 304 is connected to the crushing rope 2. connect.

Preferably, the rope-passing holes of the opener 1 and the rope-passing holes of the opener 2 are welded and thickened or both are fixed with structural reinforcement rings to reduce the impact of the reciprocating movement of the crushing rope 2 on the opener 1 and the opener 2. wear and tear.

The driving mechanism 301 is an air pump that supplies high-pressure gas to the traction vehicle, a motor that supplies power to the traction vehicle, or a power steering device that supplies energy to the traction vehicle.

The driving mechanism 301 drives the reciprocating rod 304 to reciprocate through the swing rod 302 and the connecting rod 303, and the reciprocating rod 304 drives the crushing rope 2 to reciprocate so that the crushing rope 2 cuts the soil layer.

Preferably, the crushing rope 2 is a steel wire rope or a hemp rope. Preferably, the crushing rope 2 is provided with several short steel wire ropes or arc-shaped protrusions to increase the cutting efficiency of the soil layer.

Embodiment 3: As shown in Figure 6, Figure 7 and Figure 8, this embodiment discloses a lawn fertilizer applicator. Its structure is roughly the same as that of Embodiment 2. The difference is that this embodiment also includes a one-way fertilizer applicator. Bearing 19, rope plate 15 and plane scroll spring 16, the position of the crushing rope 2 corresponding to the reciprocating rod 304 is installed with the rope plate 15 through the one-way bearing 19, the rope plate 15 and the inner end of the plane scroll spring 16 are fixedly connected, the plane vortex The outer end of the coil spring 16 is fixedly connected to the reciprocating rod 304. The reciprocating rod 304 is equipped with a guide ring 17 at a position corresponding to the rope drum 15. A pulling rope 18 is wound around the rope drum 15, and one end of the pulling rope 18 passes through the guide ring 17. And connected with the material box 1, the crushing rope 2 and the reciprocating rod 304 are rotationally connected through bearings.

The working process and principle of this embodiment are:

The rope drum 15 and the one-way bearing 19 move back and forth synchronously with the crushing rope 2. When the pulling rope 18 on the rope drum 15 is pulled out, the one-way bearing 19 is locked in one direction and the pulling rope 18 passes through the rope drum 15 and the one-way bearing. 19 drives the crushing rope 2 to rotate, and the flat scroll spring 16 accumulates elastic potential energy. When the pulling rope 18 on the rope drum 15 is retracted, the one-way bearing 19 rotates freely. The flat scroll spring 16 drives the rope drum 15 to rotate, and the pulling rope 18 is retracted. The rope disc 15 realizes the unidirectional rotation of the crushing rope 2 and enhances the efficiency of the crushing rope 2 in dividing the soil layer.

Preferably, when the crushing rope 2 encounters a stone, the unidirectional rotating crushing rope 2 contacts the surface of the stone, and the crushing rope 2 moves upward or downward under the action of friction, so that the crushing rope 2 passes over the stone. Reduce the obstruction of the crushing rope 2 by rocks.

Preferably, the number of unidirectional rotations in the reciprocating movement cycle of the crushing rope 2 is controlled by controlling the pull-out length of the pulling rope 18 .

Embodiment 4: As shown in Figures 1, 3 and 4, this embodiment discloses a lawn fertilizer applicator, the structure of which is roughly the same as that of Embodiment 1. The difference is that in this embodiment, each trench is There is a connecting rope 8 at one place of the device. Both ends of the connecting rope 8 are connected to the crushing rope 2, and there is a trencher between the two ends of the connecting rope 8. When the crushing rope 2 is stretched straight, the connecting rope 8 When not tightened, the connecting rope 8 reciprocates with the crushing rope 2, and the connecting rope 8 squeezes and crushes the soil blocks in the cutting soil layer, thereby increasing the permeability of the grassland soil.

Furthermore, the reciprocating distance of the crushing rope 2 is no greater than the distance between two adjacent feeding pipes 6 . The preferred reciprocating distance of the crushing rope 2 is the distance between the two adjacent feeding pipes 6 .

Embodiment 5: As shown in Figures 1, 3 and 4, this embodiment discloses a lawn fertilizer applicator. Its structure is roughly the same as that of Embodiment 4. The difference lies in that the connecting rope 8 in this embodiment The middle part is connected to one end of the additional rope 9. The crushing rope 2 drives the additional rope 9 to swing back and forth in the crushed soil through the connecting rope 8. The swinging additional rope 9 gathers the stones in the crushed soil between the two conveying pipes 6. On the center line, it is convenient to gather stones in the crushed soil layer.

When large rocks appear in a place, the turf will bulge where the rocks gather, and workers will break through the soil to remove the rocks.

Embodiment 6: As shown in Figure 1, Figure 3 and Figure 4, this embodiment discloses a lawn fertilizer applicator. Its structure is roughly the same as that of Embodiment 5. The difference is that in this embodiment, the additional rope 9 is far away from the No less than three cutting knives 12 are installed at one end of the connecting rope 8 . The length direction of the cutting knives 12 is arranged parallel to the length direction of the additional rope 9 .

The crushing rope 2 drives the cutting knife 12 to swing back and forth in the crushed soil of the soil layer through the connecting rope 8 and the additional rope 9. The cutting knife 12 cuts the roots of the grass in the upper part of the crushed soil to improve the soil compaction caused by the lateral growth and entanglement of the roots of grassland plants.

In the prior art, the roots of perennial herbaceous plants are easily intertwined and become a whole, making it difficult for new grass species to grow and take root.

Further, the manure in the material box 1 of the grassland fertilizer applicator is replaced with grass seeds. The crushing rope 2 drives the cutting knife 12 to swing back and forth in the crushed soil through the connecting rope 8 and the additional rope 9. The cutting knife 12 moves up and down the crushed soil layer. Cutting promotes the upper and lower mixing of the crushed soil, which increases the three-dimensional distribution of grass seeds, and the cutting knife 12 cuts the grass roots to facilitate the germination and growth of grass seeds.

Embodiment 7: As shown in Figures 1 and 2, this embodiment discloses a grassland fertilizer applicator. Based on any one of Embodiments 4 to 6, the crushing rope 2 of this embodiment is equipped with a The moving part 10, the crushing rope 2 and the reciprocating rod 304 are connected through bearings.

Rotate the breaking piece 10 to make the crushing rope 2 rotate at a certain angle, and then the crushing rope 2 moves back and forth for a period of time. The rotation of the crushing rope 2 in the soil causes the crushing rope 2 to wear evenly everywhere, thereby increasing the service life of the crushing rope 2.

Embodiment 8: As shown in Figures 1, 4 and 6, this embodiment discloses a lawn fertilizer applicator, the structure of which is roughly the same as that of Embodiment 1. The difference lies in that the material box 1 of this embodiment A rotating rotating shaft 14 is installed on the bottom side. The rotating shaft 14 is equipped with a crushing circular knife 13 at the positions corresponding to the opener one and the opener two. The crushing circular knife 13 is located in the forward direction of the opener. The crushing circular knife 13 cuts first. Open up the plant roots in the grassland and reduce the resistance to movement of furrower one and furrower two.

Preferably, the external traction vehicle drives the rotating shaft 14 to rotate through a chain gear transmission, a drive shaft universal joint transmission or a gear transmission, thereby enhancing the effect of the crushing circular knife 13 on dividing plant roots in the grass.

Embodiment 9: As shown in Figures 1 and 3, this embodiment discloses a lawn fertilizer applicator, the structure of which is roughly the same as that of Embodiment 1. The difference is that in this embodiment, the inner and opening of the trencher The groovers 2 are equipped with rotating guide rollers 11 that support the crushing rope 2. The guide rollers 11 avoid friction between the crushing rope 2 and the inner wall of the rope hole of the trencher, reduce the wear of the crushing rope 2 and reduce the reciprocating movement of the crushing rope 2. resistance.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a grassland fertilizer distributor, includes ditching formula fertilizer distributor, ditching formula fertilizer distributor includes workbin (1), material conveying rod (5) and a plurality of conveying pipeline (6) that workbin (1) bottom side set up along workbin (1) length direction, conveying pipeline (6) top and workbin (1) inner chamber bottom side intercommunication, furrow opener one is all installed to the bottom of every conveying pipeline (6), and material conveying rod (5) are located workbin (1) inner chamber bottom, its characterized in that: the novel mechanical crushing machine is characterized by further comprising a crushing rope (2), wherein guide pipes (7) are arranged on two sides of the length direction of the feed box (1), a second furrow opener is arranged at the bottom end of each guide pipe (7), a rotating guide wheel (4) positioned above the guide pipe (7) is arranged on two sides of the length direction of the feed box (1), and rope passing holes are formed in the first furrow opener and the second furrow opener;

one end of the crushing rope (2) passes through a rope passing hole of the first furrow opener, a rope passing hole of the second furrow opener and an inner cavity of the guide pipe (7) and is connected with the other end of the crushing rope (2), the crushing rope (2) passes through the guide wheel (4), and a reciprocating driving piece (3) for driving the crushing rope (2) to reciprocate is arranged on the feed box (1);

the reciprocating driving piece (3) comprises a driving mechanism (301) arranged on the feed box (1) and a reciprocating rod (304) which slides parallel to the crushing rope (2), a swinging rod (302) which is arranged vertically to the driving mechanism (301) is arranged on an output shaft of the driving mechanism (301), one end of the swinging rod (302) far away from the driving mechanism (301) is rotationally connected with one end of a connecting rod (303), the other end of the connecting rod (303) is rotationally connected with one end of the reciprocating rod (304), and the other end of the reciprocating rod (304) is connected with the crushing rope (2);

the grinding rope is characterized by further comprising a one-way bearing (19), a rope disc (15) and a plane scroll spring (16), wherein the rope disc (15) is arranged at the position, corresponding to the reciprocating rod (304), of the grinding rope (2) through the one-way bearing (19), the rope disc (15) is connected with the inner end of the plane scroll spring (16), the outer end of the plane scroll spring (16) is connected with the reciprocating rod (304), the guide ring (17) is arranged at the position, corresponding to the rope disc (15), of the reciprocating rod (304), a traction rope (18) is wound on the rope disc (15), one end of the traction rope (18) penetrates through the guide ring (17) and is connected with the feed box (1), and the grinding rope (2) is connected with the reciprocating rod (304) through the bearing;

when the traction rope (18) on the rope disc (15) is pulled out, the unidirectional bearing (19) is locked in one direction, the traction rope (18) drives the crushing rope (2) to rotate through the rope disc (15) and the unidirectional bearing (19), and the plane scroll spring (16) stores elastic potential energy;

when the rope reel (15) is retracted, the plane scroll spring (16) drives the rope reel (15) to rotate and the one-way bearing (19) is free to rotate.

2. The lawn fertilizer applicator of claim 1, wherein: each furrow opener is provided with a connecting rope (8), two ends of the connecting rope (8) are connected with the crushing rope (2), and a furrow opener I is arranged between two ends of the connecting rope (8).

3. The lawn fertilizer applicator of claim 2, wherein: the middle part of the connecting rope (8) is connected with one end of the additional rope (9).

4. A lawn fertilizer applicator as defined in claim 3, wherein: one end of the additional rope (9) far away from the connecting rope (8) is provided with at least three cutting knives (12), and the length direction of the cutting knives (12) is parallel to the length direction of the additional rope (9).

5. The lawn fertilizer applicator of any one of claims 2-4, wherein: the crushing rope (2) is provided with a breaking piece (10), and the crushing rope (2) and the reciprocating rod (304) are connected through a bearing.

6. The lawn fertilizer applicator of claim 1, wherein: the rotary shaft (14) is arranged at the bottom side of the feed box (1), and crushing circular cutters (13) are arranged at positions of the rotary shaft (14) corresponding to the first furrow opener and the second furrow opener.

7. The lawn fertilizer applicator of claim 1, wherein: a rotary guide roller (11) supporting the crushing rope (2) is arranged in the first furrow opener and the second furrow opener.

8. The lawn fertilizer applicator of claim 1, wherein: and the rope passing hole of the first furrow opener and the rope passing hole of the second furrow opener are welded and thickened or are fixed with structural reinforcing circular rings.