CN104380865B - Soil bar deep ploughing fertilizer returns soil and corn seeding suppression integral machine - Google Patents

Abstract

The present invention relates to agricultural machinery, in particular to an integrated machine for soil strip deep plowing, fertilization, soil return and corn sowing and suppression, which includes a frame (8), a soil strip rotary tiller (1), a soil retaining and soil return board ( 2), layered fertilizer applicator (3), soil suppression wheel (4), corn single grain on-demand device (5), sowing suppression wheel (6), fertilizer discharge box (7), hook device (9) and protective cover (15). The all-in-one machine can realize the integrated operation of soil cultivation, fertilization, sowing, and suppression, simplify the operation process, improve the operation efficiency, and conform to the future development direction of crop production; it can realize deep fertilizer application and layered fertilization, improve crop nutritional requirements, and increase nutrient efficiency. Utilization efficiency; deep strip plowing can break the plow bottom layer and improve soil physical and chemical conditions; while deep strip plowing can realize part of no-tillage operations, which is beneficial to control soil loss and protect the environment.

Description

Soil strip deep plowing, fertilization, soil return and corn sowing and suppression all-in-one machine

technical field

The invention relates to agricultural machinery, in particular to an integrated machine for strip deep plowing, fertilization, soil restoration and corn sowing and suppression.

Background technique

In my country's agricultural production, the household contract responsibility system has promoted the improvement of my country's agricultural productivity in a certain historical period, but the production mode of one household makes it impossible for large-scale agricultural machinery to work, and the effect of small-scale agricultural machinery on improving soil structure is limited. Smallholder production has led to shallow plow layers, thick plow bottoms, and barren soil in my country. However, traditional plowing and rotary tillage operations are likely to cause soil erosion and degradation in some areas, which has an adverse impact on the environment. Although soil subsoiling can break the bottom layer of the plow, the operation area is small and the improvement of soil structure is limited. On the one hand, deep strip plowing can reduce the disturbance to the soil, and at the same time, it can break the plow bottom layer, thicken the plow layer, and create good soil conditions for the growth and development of corn. In addition, the traditional farming system separates soil tillage, fertilization, and sowing. There are many and complicated links, which consume labor and energy, and lack integrated operation tools for soil tillage, fertilization, and sowing.

The single-function operating machinery related to the present invention has always been the main content of agricultural machinery research and development, such as soil rotary tillers, corn single seed seeders, etc. The machinery used for the work has not been reported yet.

Contents of the invention

The technical problem to be solved by the present invention is aimed at the problems of shallow soil plow layer, thick plow bottom layer and poor soil in current corn production in my country, as well as the problems of separate operations and complicated procedures in the existing technical links such as corn site preparation, fertilization, and sowing, etc., and then provide a It is an all-in-one machine for deep plowing, fertilizing and returning to soil for planting soil strips and corn sowing and suppression.

The purpose of the present invention is achieved through the following technical solutions:

The integrated machine for soil strip deep plowing, fertilization, soil returning and corn sowing and suppression includes a frame 8, which also includes a soil strip rotary tillage device 1, a soil retaining and soil returning board 2, a layered fertilizer applicator 3, a soil pressing wheel 4, and a corn unit Grain on-demand planting device 5, sowing pressing wheel 6, fertilizer discharge box 7, hooking device 9 and protective cover 15, wherein,

The soil strip rotary tiller 1 is installed on the front end of the frame 8, including the rotary tiller shaft 14, the corn seeding row spacing adjustment fixing screw holes 13 arranged on the rotary tiller shaft 14, and the corn seeding row spacing adjustment fixing screw holes 13. Two sets of rotary tiller discs 11 on the rotary tiller shaft 14, each set of rotary tiller discs 11 is equipped with a rotary tiller 12;

The fertilizer discharge box 7 is fixed on the top of the frame 8 next to the soil strip rotary tiller 1, and the seeding pressing wheel 6 is connected with the fertilization driving wheel 71 through a chain and a sprocket;

The layered fertilizer applicator 3 and the soil retaining and soil return board 2 are located below the fertilizer discharge box 7 and the frame 8, next to the soil bar rotary tiller 1, and are fixed side by side on the crossbeam of the frame 8;

The soil retaining and returning soil plate 2 includes an adjusting plate 21 and a circular steel pipe 22 vertically fixedly connected to it, and the upper end of the circular steel pipe 22 vertically passes through the set fixed on the crossbeam of the frame 8 and is fixed on the frame 8;

The layered fertilizer applicator 3 includes a deep layer fertilizer applicator 31 and a shallow layer fertilizer applicator 32, which are installed side by side in front and back, and the first fertilizer outlet 33 of the deep layer fertilizer applicator 31 is lower than the second fertilizer outlet 34 of the shallow layer fertilizer applicator 32 ;

The soil suppression wheel 4 is next to the layered fertilizer applicator 3, is installed under the frame 8, and is fixed on the crossbeam of the frame 8 by a kit and bolts;

Corn single-grain on-demand device 5 is installed on the rear end of frame 8, and ditch seeder 51 is installed on the rear of soil suppression wheel 4, and the upper end is fixed on frame 8 by the suit that is fixed on frame 8 crossbeams;

The sowing suppression wheel 6 is installed at the rear of the ditching seeder 51, and is fixed on the frame 8 by the supporting beam column; the upper end of the supporting beam column is movably connected and fixed with the frame 8 through a pin; Link to each other with the support beam column of seeding pressing wheel 6; Seeding pressing wheel 6 is connected with corn single-grain on-demand device 5 and fertilization driving wheel respectively through sprocket wheel fixedly connected with it and a plurality of sprocket wheels and transmission chain 61 on frame 8 beams 71 connected;

A hitch 9 is installed at the front end of the frame 8, and is connected with the tractor by the hitch 9.

Said rotary tiller shaft 14 is symmetrically arranged with a group of fixed screw holes 13 for adjusting the row spacing of corn sowing, and each group of fixed screw holes 13 for adjusting the row spacing of corn sowing has a plurality of fixing screw holes.

Every group of corn seeding row spacing adjustment fixing screw holes 13 has 7 fixing screw holes.

Every group of corn seeding row spacing is adjusted the distance between 2 fixing screw holes of fixing screw hole 13 innermost is 50cm, and other fixing screw holes are arranged outwards evenly successively, and the spacing between adjacent fixing screw holes is 2.5cm.

15cm apart between retaining soil and return soil plate 2 and layered fertilizer applicator 3.

The beneficial effects of the present invention are:

It can realize the integrated operation of soil cultivation, fertilization, sowing, and suppression, simplify the operation process, improve the operation efficiency, and conform to the future development direction of crop production;

It can realize deep fertilization and layered fertilization, improve the nutritional requirements of crops, and improve the utilization efficiency of nutrients;

Deep plowing can break the bottom layer of the plow and improve the physical and chemical conditions of the soil;

Part of the no-tillage operation has been realized while deep tillage, which is beneficial to control soil loss and protect the environment;

By selecting the fixed screw holes 13 arranged on the rotary blade shaft 14, that is, the fixed position of the rotary blade disc 11 on the rotary blade shaft 14, the adjustment of the minimum 50cm and maximum 80cm row spacing of corn seeding can be realized, which can wait Row-spacing sowing can also be sown in wide and narrow rows, suitable for a wide range of applications.

Seeding row spacing adjustment. According to the suitable row spacing in the production of corn varieties, select the appropriate fixing screw holes in the fixing screw holes 13 for adjusting the row spacing of corn seeding (Fig. Then you can work. The invention can realize the adjustment of the minimum row spacing of 50 cm and the maximum 80 cm for corn sowing.

Adjustment of other parts of the machine. After the distance and position of the two sets of rotary tillage cutter heads 11 are determined, the layered fertilizer applicator 3, the soil suppression wheel 4, the ditching seeder 51 and the sowing suppression wheel 6 are sequentially adjusted. On a straight line, it can be achieved that the corn is sown in the middle of the rotary tillage belt, the fertilizer is applied directly below the seeds, and the effect of soil suppression is good. But if use the shallow layer fertilizer applicator 32 of layered fertilizer applicator 3 to fertilize, especially when the amount of fertilizer applied in the shallow layer is too large, in order to ensure that the fertilizer does not burn the seedlings, the layered fertilizer applicator 3 can be installed on the outside of the rotary tillage belt, That is, the horizontal distance between the fertilization belt and the corn sowing belt is about 7.5cm.

Equal row spacing and wide and narrow row sowing. The invention can realize equidistant row sowing or wide and narrow row sowing of corn. Because two sets of rotary tillage cutter heads 11 are configured, one operation of the present invention can form two rotary tillage belts with a width of 15 cm and a depth of more than 20 cm, and corn is sown in the middle of each rotary tillage belt. During the next operation, the distance between the new rotary tillage belt and the center line (i.e. the sowing row) of the adjacent rotary tillage belt formed by the last operation is equal to the set row spacing, so that the reciprocating operation can achieve equal row spacing; if the new rotary tillage The distance between the tillage belt and the center line of the adjacent rotary tillage belt formed by the last operation (that is, the sowing row) is not equal to the set row spacing, that is, to achieve unequal row spacing sowing, such as the narrow row of 50cm and the wide row of 70cm used in production. The wide and narrow row planting method can be 50cm or 70cm by adjusting the distance between two sets of rotary tillage cutter heads 11, and the distance between the centerlines (ie seeding rows) of the two rotary tillage belts adjacent to the two operations is 70cm or 50cm, reciprocating Job accomplished.

The integrated operation of strip deep tillage, layered fertilization, single-grain precision sowing and suppression. After the mechanical adjustment is completed, the chemical fertilizer is installed and the amount of fertilizer is adjusted, and the integrated operation can be carried out after adding the seeds. The rotary tiller 11 of the present invention is earlier, and two rotary tiller belts with a width of 15 cm and a depth of more than 20 cm are opened by the high-speed rotation of the rotary tiller 11. Because the tillage depth is deep, the plow bottom layer can be broken and the plow layer can be thickened. The soil that rotary tiller 11 throws away is limited in fixed space by retaining soil and returning soil plate 2, and pushes back in the ditch again along with the advancement of machinery, and is compacted again by soil suppression wheel 4 immediately. At the same time, by configuring a set of layered fertilizer applicators 3 ( FIG. 5 ) on each rotary belt formed by rotary tillage, layered fertilization can be realized synchronously. Fertilization is divided into two layers, the first layer is about 10cm directly below the seeds, and the depth of the second layer is the same as the depth of deep plowing or slightly deeper, not less than 20cm. The depth of fertilization is adjustable, and the power is driven by the seeding pressing wheel 6. Each rotary tillage belt is equipped with a set of corn single-grain on-demand sowing device 5 and sowing pressing wheel 6, and the ditching seeder 51 is used to ditch again to realize the precise on-demand sowing of corn, and the seeding pressing wheel 6 is used to suppress the seeds so that the seeds are in close contact with the soil , improve germination quality. The corn sowing depth can be adjusted by adjusting the height of the ditch seeder 51 . The planter power adopts the self-propelled transmission of the sowing pressing wheel 6 .

Description of drawings

Fig. 1 is the structural representation of the present invention's integrated machine for soil strip deep plowing, fertilization, return to soil and corn sowing and suppression;

Fig. 2 is a top view schematic diagram of the integrated machine for soil strip deep plowing, fertilization, soil return and corn sowing and suppression of the present invention;

Fig. 3 is the schematic diagram of the front view of the soil strip rotary tillage device 1 of the integrated machine of soil strip deep plowing, fertilization and soil return and corn sowing and suppression of the present invention;

Fig. 4 is a schematic side view of the soil retaining and soil returning board 2 of the integrated machine for soil strip deep plowing, fertilization and soil restoration and corn sowing and suppression of the present invention.

Fig. 5 is a schematic side view of the layered fertilizer applicator 3 of the integrated machine for soil strip deep plowing, fertilization, soil return and corn sowing and suppression according to the present invention.

Reference signs:

1 soil bar rotary tillage device 11 rotary tiller disc 12 rotary tiller

13 corn seeding row spacing adjustment fixing screw hole 14 rotary tiller shaft

15 protective cover

2 Soil retaining and returning soil plate 21 Adjusting plate 22 Round steel pipe

3 layered fertilizer applicators 31 deep layer fertilizer applicators 32 shallow layer fertilizer applicators

33 The first row of fertilizer port 34 The second row of fertilizer port 4 Soil suppression wheel

5 Corn single grain on-demand device 51 Ditching seeder 6 Sowing suppression wheel

61 transmission chain 62 strong spring device 7 fertilizer discharge box

71 fertilization driving wheel 8 frame 9 hooking device

10 power input shaft

detailed description

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figure 1, the integrated machine for soil strip deep plowing, fertilization, soil return and corn sowing and suppression of the present invention includes a soil strip rotary tillage device 1, a soil retaining and soil return board 2, a layered fertilizer applicator 3, a soil pressing wheel 4, and a corn Single-grain on-demand device 5, sowing pressing wheel 6, fertilizer discharge box 7, frame 8, hooking device 9 and protective cover 15.

As shown in Figures 1 and 3, the soil strip rotary tiller 1 of the present invention is installed on the front end of the frame 8, including a rotary tiller shaft 14, and fixed screw holes 13 arranged on the rotary tiller shaft 14 for adjusting the row spacing of corn. 2. Two sets of rotary tiller discs 11 fixed on the rotary tiller shaft 14 through the fixed screw holes 13 for adjusting the row spacing of corn sowing, and each set of rotary tiller discs 11 is equipped with a rotary tiller 12 .

In this embodiment, a group of fixed screw holes 13 for adjusting the row spacing of corn sowing are respectively arranged symmetrically on the left and right sides of the rotary tiller shaft 14, and each group of fixed screw holes 13 for adjusting the row spacing of corn sowing has seven fixing screw holes. Every group of corn seeding row spacing is adjusted the distance between 2 fixing screw holes of fixing screw hole 13 innermost is 50cm, and other fixing screw holes are arranged outwards evenly successively, and the spacing between adjacent fixing screw holes is 2.5cm. Each set of rotary tiller discs 11 can optionally correspond to one of the 7 fixing screw holes in the adjusting fixing screw holes 13 of each group of corn sowing row spacing. The distance between two sets of rotary tiller discs 11, that is, the sowing row spacing of corn, can be adjusted by selecting the corn seeding row spacing adjustment fixing screw hole 13 on the rotary tiller shaft 14. If select two innermost fixed screw holes on the rotary tiller shaft 14 respectively, the sowing row spacing of corn is 50cm; If select two outermost fixed screw holes on the rotary tiller shaft 14 respectively, the sowing row spacing of corn is 80cm. In the soil bar rotary tillage device 1, the top and the outside of every cover of rotary tiller 12 are equipped with protective cover 15 (the protective cover of outside is not drawn in the schematic diagram), to guarantee safe operation.

As shown in Figures 1 and 2, the fertilizer discharge box 7 is fixed above the frame 8 next to the soil bar rotary tiller 1 . Seeding pressing wheel 6 is connected with the fertilization drive wheel 71 on the fertilizer discharge box 7 by chain and sprocket wheel, sowing pressing wheel 6 travels to drive the fertilization drive wheel 71 to rotate, and realizes the fertilization operation.

As shown in Figure 1 and Figure 4, the layered fertilizer applicator 3 and the soil retaining and soil returning board 2 are located below the fertilizer discharge box 7 and the frame 8, next to the soil bar rotary tiller 1, and are fixed side by side on the beam of the frame 8 , and the retaining soil is about 15cm away from the return soil plate 2 and the layered fertilizer applicator 3. The soil retaining and returning soil plate 2 includes an adjusting plate 21 and a circular steel pipe 22 vertically fixedly connected thereto, and the upper end of the circular steel pipe 22 vertically passes through the set fixed on the crossbeam of the frame 8 and is fixed on the frame 8 by bolts . The circular steel pipe 22 rotates in the kit with the vertical direction as the axis, which can drive the adjustment plate 21 to rotate to adjust its opening direction and angle, that is, the opening size of the front end; the circular steel pipe 22 moves up or down in the kit and is fixed to lift Or move down the height of the adjustment plate 21 up and down. Through the above adjustments, the best soil retaining and returning effects can be achieved. During general requirement installation, soil retaining and the adjusting plate 21 lower ends of return soil plate 2 are level with ground during operation.

As shown in Figure 5, the layered fertilizer applicator 3 includes a deep layer fertilizer applicator 31 and a shallow layer fertilizer applicator 32, which are installed side by side in front and back, and the first fertilizer outlet 33 of the deep layer fertilizer applicator 31 is lower than that of the shallow layer fertilizer applicator 32. The second discharge port 34. The upper end of the layered fertilizer applicator 3 passes through the set fixed on the frame 8 crossbeam and is fixed on the frame 8 by bolts, and the deep layer fertilizer applicator 31 and the shallow layer fertilizer applicator 32 are moved downward and fixed to increase the fertilization depth of the two ; Conversely, reduce the depth of fertilization. The depth of fertilization of general shallow layer fertilizer applicator 32 is about 15cm, and fertilizer application rate should not be too large simultaneously, in order to prevent burning seedling;

The soil pressing wheel 4 is next to the layered fertilizer applicator 3, and is installed below the frame 8. Utilize kit and bolt to be fixed on the crossbeam of frame 8, by the mode of self-propelled, the soil that the front end is thrown out by rotary tiller 12 and pushed back to rotary tiller belt by retaining soil and returning soil plate 2 is compacted.

The corn single-grain on-demand device 5 is installed on the rear end of the frame 8, and the ditch seeder 51 is installed on the rear of the soil suppression wheel 4, and the upper end is fixed on the frame 8 by bolts through the cover set fixed on the frame 8 crossbeams. The upper end can be moved up and down in the kit to adjust the depth of trenching.

Seeding suppression wheel 6 is installed in the rear of ditching seeder 51, is fixed on the frame 8 by supporting beam column (not shown in the figure); The upper end of the device 62 is fixed, and the lower end is connected with the support beam column of the sowing pressing wheel 6; the downward pressure from the strong spring device 62 is used to ensure that the sowing pressing wheel 6 is always in close contact with the frame 8 through the movable connection of the upper end of the supporting beam column Walk on the ground and maintain downward pressure to achieve compacted ground and imitation walking. The power of the corn single grain on-demand planting device 5 and the power of fertilizer discharge all come from the sowing pressing wheel 6. Seeding pressing wheel 6 links to each other with corn single-grain on-demand planting device 5 and fertilization driving wheel 71 respectively by the sprocket wheel that is fixedly connected with it and a plurality of sprocket wheels on the frame 8 crossbeams and transmission chain 61, sowing and pressing wheel 6 walks anywhere ( Rotate) drives sprocket wheel and chain to rotate, transmits by transmission chain 61, drives corn single-grain on-demand planting device 5 to sow, and synchronously drives the fertilization drive wheel 71 of fertilizer discharge box 7 to carry out fertilization operation.

A hitch 9 is installed at the front end of the frame 8, and the hitch 9 is connected with the tractor, and the power input shaft 10 is connected with the power output shaft of the tractor synchronously, and the power input of the tractor is input to the soil strip rotary tiller 1 to drive The rotary tiller 12 of the soil strip rotary tiller 1 performs rotary tillage operations.

During mechanical operation, two sets of rotary tillage blades 12 can respectively form two rotary tillage belts with a width of 15 cm and a depth of no less than 20 cm. When the above parts are installed, it is necessary to ensure that the rotary tillage cutter head 11, the layered fertilizer applicator 3, the soil pressing wheel 4, the ditch seeder 51 and the sowing pressing wheel 6 are on the same straight line, so that corn can be sown on the rotary tillage belt In the middle position, the fertilizer is applied directly below the seeds, and the effect of soil suppression is good, etc. But if use the shallow layer fertilizer applicator 32 of layered fertilizer applicator 3 to fertilize, especially when the amount of fertilizer applied in the shallow layer is too large, in order to ensure that the fertilizer does not burn the seedlings, the layered fertilizer applicator 3 can be installed on the outside of the rotary tillage belt, That is, the horizontal distance between the fertilization belt and the corn sowing belt is about 7.5cm.

The working process of the integrated machine for deep plowing, fertilizing and returning to soil and corn sowing and suppression:

The present invention is connected with the tractor through the hitch device 9 at the front end of the frame 8, and synchronously connects the power input shaft 10 with the power output shaft of the tractor. During operation, the power from the tractor is input to the soil strip rotary tiller 1 through the power input shaft 10, and the rotary tiller 12 of the soil strip rotary tiller 1 is driven to carry out the rotary tillage operation. The soil of operation belt is thrown out by the rotary tillage operation of rotary tiller blade 12 and is pushed back into rotary tillage belt by retaining soil and return soil plate 2 and fills up again. While the soil is throwing and backfilling, the sowing and pressing wheel 6 rotates with the advancement of the tractor, and the fertilization driving wheel 71 of the fertilizer discharge box 7 is driven to perform layered fertilization operations, and the backfilled soil is immediately placed behind the layered fertilizer applicator 3 The soil pressing wheel 4 compacts again. Then, the re-compacted soil is ditched again by the ditching seeder 51 positioned at the soil suppression wheel 4 back, and simultaneously because the rotation of the sowing suppression wheel 6 drives the corn single grain on-demand planting device 5 to realize the corn precision on-demand sowing, and is sown immediately The pressing wheel 6 is used for pressing, so that the seeds are in close contact with the soil to ensure the quality of seedling emergence. Through the mutual cooperation of the functions of the above components, the integrated operation of deep soil plowing, layered deep fertilization and corn sowing and suppression is realized.

Claims (5)

1. An integrated machine for soil strip deep plowing, fertilization, soil return and corn sowing and suppression, including a frame (8), characterized in that: It also includes a soil strip rotary tillage device (1), a soil retaining and returning soil plate (2), a layered fertilizer applicator (3), a soil suppression wheel (4), a corn single-grain on-demand device (5), a sowing suppression wheel ( 6), fertilizer discharge box (7), hook device (9) and protective cover (15), wherein, The soil strip rotary tillage device (1) is installed on the front end of the frame (8), including the rotary tiller shaft (14), the corn seeding row spacing adjustment fixing screw holes (13) arranged on the rotary tiller shaft (14) and Two sets of rotary tiller discs (11) fixed on the rotary tiller shaft (14) through the fixed screw holes (13) for adjusting the row spacing of corn sowing, and each set of rotary tiller discs (11) is equipped with a rotary tiller (12) ; The fertilizer discharge box (7) is fixed on the top of the frame (8) next to the soil strip rotary tiller (1), and the seeding pressing wheel (6) is connected with the fertilization driving wheel (71) through a chain and a sprocket; The layered fertilizer applicator (3) and soil retaining and soil return board (2) are located below the fertilizer discharge box (7) and the frame (8), next to the soil strip rotary tiller (1), and are fixed side by side on the frame (8) on the beam; The soil retaining and returning soil plate (2) includes an adjusting plate (21) and a circular steel pipe (22) vertically fixedly connected thereon, and the upper end of the circular steel pipe (22) vertically passes through the set fixed on the beam of the frame (8) , be fixed on the frame (8); The layered fertilizer applicator (3) comprises a deep layer fertilizer applicator (31) and a shallow layer fertilizer applicator (32), which are installed side by side, front and back, and the first row of fertilizer openings (33) of the deep layer fertilizer applicator (31) are lower than the shallow layer fertilizer applicator (31). The second fertilizer outlet (34) of the fertilizer applicator (32); The soil suppression wheel (4) is next to the layered fertilizer applicator (3), is installed under the frame (8), and is fixed on the crossbeam of the frame (8) by means of kits and bolts; Corn single grain on-demand planting device (5) is installed on the rear end of frame (8), ditch seeder (51) is installed on the rear of soil suppression wheel (4), and the upper end passes through the kit that is fixed on the frame (8) crossbeam Be fixed on the frame (8); The sowing pressing wheel (6) is installed at the rear of the ditching seeder (51), and is fixed on the frame (8) through the supporting beam column; The upper end of the spring device (62) is fixed, and the lower end links to each other with the supporting beam column of the sowing pressing wheel (6); Transmission chain (61), links to each other with corn single-grain on-demand device (5) and fertilization driving wheel (71) respectively; A hitch (9) is installed at the front end of the frame (8), and is connected with the tractor by the hitch (9). 2. The integrated machine for deep plowing, fertilizing, soil returning and corn sowing and suppression as claimed in claim 1, characterized in that: Described rotary tiller shaft (14) is respectively arranged with a group of corn sowing row spacing adjustment fixing screw holes (13) left and right symmetrically, and each group of corn sowing row spacing adjustment fixing screw holes (13) has a plurality of fixing screw holes. 3. The integrated machine for deep plowing, fertilizing, soil returning and corn sowing and suppression as claimed in claim 2, characterized in that: Each group of corn seeding row spacing adjustment fixing screw holes (13) has 7 fixing screw holes. 4. The integrated machine for deep plowing, fertilizing, soil returning and corn sowing and suppression as claimed in claim 3, characterized in that: The distance between the two innermost fixing screw holes (13) of each group of corn seeding row spacing adjustment fixing screw holes is 50cm, and the other fixing screw holes are arranged evenly outward in turn, and the distance between adjacent fixing screw holes is 2.5cm . 5. The integrated machine for soil strip deep plowing, fertilization, return to soil and corn sowing and suppression as claimed in claim 1, characterized in that: 15cm apart between retaining soil and return soil plate (2) and layered fertilizer applicator (3).