An organic fertilizer preparation method and fertilization method for full-amount deep turning and returning of straw

Abstract

The present application relates to the field of excrement making fertilizer, provide a kind of for straw full quantity deep tillage and return to field organic fertilizer preparation method and fertilization method, comprising the following steps: collection excrement, the excrement collected is treated with dehydration, reduce the water content of excrement, excrement is sprinkled on pH neutralizing material and is stirred, adjust the pH of excrement, excrement is added fermenting agent and is stirred, utilize automatic bacteria replenishment fermentation system to excrement fermentation, automatic bacteria replenishment fermentation system includes fermentation bin and liquid tank, fermentation bin is opened with fermentation cavity, and liquid tank is equipped with two automatic liquid replenishment and sampling mechanism;Automatic liquid replenishment and sampling mechanism include operating column, liquid guide pipe and sampling tank, operating column is slidably connected to the outer wall of liquid tank, and liquid guide pipe and sampling tank are all fixedly connected to operating column, operating column is slidably connected to fermentation bin, operating column extends into fermentation cavity, and sampling tank is located in the fermentation cavity.The present application can be supplemented with bacteria liquid and sampling in the interior of fertilizer pile.

Description

Technical Field

[0001] This invention relates to the field of manure-based fertilizer technology, specifically to a method for preparing and applying organic fertilizer for deep plowing and returning all straw to the field. Background Technology

[0002] Deep plowing and returning all crop straw to the field is a farming management practice centered on the recycling of agricultural waste. It involves turning the harvested crop straw into the deep soil layer whole, without burning or piling it up. Through microbial decomposition, natural decay, and soil conditioning, this process increases soil organic matter, optimizes the topsoil structure, and improves the crop growing environment. This technology not only reduces environmental pollution caused by straw burning but also enhances the sustainable productivity of farmland.

[0003] In recent years, the resource utilization of large amounts of manure generated in urban or rural areas and its preparation into organic fertilizer has become an important trend. Manure is rich in organic matter, nitrogen, phosphorus, potassium and other nutrients. After proper fermentation, it can be mixed with straw as an organic matter source to prepare high-efficiency fertilizer for returning to the field, realizing a closed-loop resource system of "crop residue + organic waste", making farming more ecological and environmentally friendly.

[0004] However, existing manure composting processes generally face two key technical challenges. First, during the manure composting fermentation process, the large volume and dense structure of the compost pile make it difficult for traditional surface-sprayed bacterial solutions to penetrate to the middle or bottom layers, resulting in insufficient activity of beneficial microorganisms inside the pile, incomplete fermentation, and uneven maturity. Second, sampling inside the compost pile is difficult, making it challenging to monitor data within the pile. Summary of the Invention

[0005] To address the aforementioned technical problems, this invention aims to provide a method for preparing and applying organic fertilizer for deep plowing and returning all straw to the field. To solve these problems, this invention employs the following technical solution:

[0006] A method for preparing organic fertilizer for deep plowing and returning straw to the field includes the following steps: collecting manure, dehydrating the collected manure to reduce its water content, sprinkling a pH neutralizing agent on the manure and stirring it, adjusting the pH of the manure, adding a fermentation agent to the manure and stirring it, and fermenting the manure using an automatic microbial fermentation system. The automatic microbial fermentation system includes a fermentation chamber and a liquid tank. The fermentation chamber has a fermentation cavity, and the liquid tank is equipped with two automatic liquid replenishment and sampling mechanisms.

[0007] The automatic liquid replenishment and sampling mechanism includes an operating column, a liquid guide tube, and a sampling box. The operating column is slidably connected to the outer wall of the liquid tank. The liquid guide tube and the sampling box are both fixedly connected to the operating column. The operating column is slidably connected to the fermentation chamber and extends into the fermentation chamber. The sampling box is located in the fermentation chamber. The liquid guide tube is connected to the liquid tank. Two or more electric valves are fixedly connected to the liquid guide tube. The electric valves are embedded in the outer wall of the operating column.

[0008] Two operating columns are fixed together by a connecting rod. The outer wall of the liquid tank is equipped with a driving component. The feces are put into the fermentation chamber to form a fertilizer pile for fermentation. Every once in a while, the driving component is used to drive the operating column, so that the operating column and the sampling box are inserted into the fertilizer pile to replenish the bacterial solution and take samples. The fermented fertilizer pile forms organic mud fertilizer.

[0009] Preferably, the outer wall of the liquid tank is fixed with two rows of toothed blocks, each row of toothed blocks including two or more toothed blocks. The sampling box is provided with a conveying cavity and a transmission cavity. The bottom wall of the conveying cavity is connected to the bottom wall of the sampling box through a storage channel. The inner wall of the transmission cavity is rotatably connected with a rotating rod and a linkage shaft. The rotating rod extends through the conveying cavity to the outside of the sampling box. A spiral part and a second worm are fixedly connected to the rotating rod. A second worm wheel and a first sprocket are fixedly connected to the linkage shaft. The second worm and the second worm wheel mesh. A support plate is movably connected to the inner wall of the storage channel. A second sprocket is rotatably connected to the operating column. The second sprocket is connected to the first sprocket through a chain. The second sprocket and the second spur gear are fixedly connected.

[0010] Preferably, a rack is fixedly connected to one of the operating columns, and the drive assembly includes a motor, a reducer and a first spur gear. The motor and the reducer are both fixedly connected to the outer wall of the liquid tank. The output shaft of the motor and the input shaft of the reducer are fixedly connected. The first spur gear is fixedly connected to the output shaft of the reducer and meshes with the rack.

[0011] Preferably, the liquid tank has a liquid storage chamber filled with bacterial liquid, and a pump body is fixedly connected to the liquid storage chamber. The outlet pipe on the pump body is connected to the two liquid guide pipes.

[0012] Preferably, a first worm gear is fixedly connected to the output shaft of the motor, a stirring rod is rotatably connected to the inner wall of the liquid storage chamber, the left end of the stirring rod extends to the outside of the liquid tank, a first worm wheel is fixedly connected to the left end of the stirring rod, the first worm wheel and the first worm gear mesh, and two or more stirring blades are fixedly connected to the stirring rod.

[0013] Preferably, the operating column has a groove, and an extension rod is rotatably connected to the inner wall of the groove. The second sprocket and the second spur gear are both fixed to the extension rod, and the second spur gear extends to the top of the operating column.

[0014] Preferably, a door is movably connected to the fermentation chamber.

[0015] Preferably, a first mounting plate and a second mounting plate are fixedly connected to the outer wall of the liquid tank, the motor is fixedly connected to the first mounting plate, and the reducer is fixedly connected to the second mounting plate.

[0016] An organic fertilizer application method for deep plowing and returning all straw to the field includes the following steps: chopping the straw in the farmland, spreading the organic mud fertilizer prepared by the organic fertilizer preparation method evenly on the farmland surface, and deep plowing the farmland so that the straw and organic mud fertilizer are turned into the tillage layer together.

[0017] Preferably, before deep tilling the farmland, a decomposition accelerator is evenly spread on the straw.

[0018] The present invention has the following beneficial effects:

[0019] The invention features two operating columns on the outer wall of the liquid tank. These columns are driven by a drive assembly to achieve insertion-type movement. Each operating column is equipped with a liquid guide tube and a sampling box, enabling the bacterial solution to be accurately delivered from the outside to different depths and positions inside the fertilizer pile. This effectively solves the problem that traditional surface spraying methods cannot penetrate the fertilizer pile. The sampling box can take samples from different locations inside the fertilizer pile. Attached Figure Description

[0020] The present invention will be further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention. For those skilled in the art, other drawings can be obtained based on the following drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the automatic microbial fermentation system in an organic fertilizer preparation method for deep plowing and returning all straw to the field according to the present invention.

[0022] Figure 2 This is the present invention. Figure 1 Enlarged view of point A in the middle;

[0023] Figure 3 This is the present invention. Figure 1 Enlarged view of point B in the middle;

[0024] Figure 4 This is the present invention. Figure 1 A schematic diagram of the internal structure of the intermediate liquid tank.

[0025] Reference numerals: 1. Fermentation chamber; 2. Fermentation cavity; 3. Door; 4. Liquid tank; 5. Operating column; 6. Liquid guide pipe; 7. Tooth block; 8. Rack; 9. Connecting rod; 10. Sampling box; 11. Motor; 12. First worm gear; 13. First worm wheel; 14. Stirring rod; 15. Reducer; 16. First spur gear; 17. Conveying cavity; 18. Rotating rod; 19. Spiral part; 20. Second worm gear; 21. Second worm wheel; 22. Transmission cavity; 23. Linkage shaft; 24. First sprocket; 25. Chain; 26. Storage channel; 27. Support plate; 28. Second sprocket; 29. ​​Extension rod; 30. Second spur gear; 31. Liquid storage cavity; 32. Stirring blade; 33. Pump body; 34. Liquid outlet pipe; 35. Fertilizer pile. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] In the description of this invention, it should be noted that the terms "vertical," "upper," "lower," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0029] like Figures 1-3As shown, an organic fertilizer preparation method for deep plowing and returning straw to the field includes the following steps: collecting manure containing a large amount of water, dehydrating the collected manure to reduce its water content, sprinkling a pH neutralizing agent on the manure and stirring it to adjust the pH of the manure, adding a fermentation agent to the manure and stirring it, and fermenting the manure using an automatic microbial fermentation system. The automatic microbial fermentation system includes a fermentation chamber 1 and a liquid tank 4. The fermentation chamber 1 has a fermentation cavity 2, and the liquid tank 4 has two automatic liquid replenishment and sampling mechanisms.

[0030] The automatic liquid replenishment and sampling mechanism includes an operating column 5, a liquid guide tube 6, and a sampling box 10. The operating column 5 is slidably connected to the outer wall of the liquid tank 4. The liquid guide tube 6 and the sampling box 10 are both fixed to the operating column 5. The operating column 5 is slidably connected to the fermentation chamber 1. The operating column 5 extends into the fermentation chamber 2. The sampling box 10 is located in the fermentation chamber 2. The liquid guide tube 6 is connected to the liquid tank 4. Two or more electric valves are fixedly connected to the liquid guide tube 6. The electric valves are embedded in the outer wall of the operating column 5.

[0031] Two operating columns 5 are fixedly connected by a connecting rod 9. The outer wall of the liquid tank 4 is equipped with a driving component. The feces are put into the fermentation chamber 2 to form a fertilizer pile 35 for fermentation. Every once in a while, the driving component is used to drive the operating column 5 so that the operating column 5 and the sampling box 10 are inserted into the fertilizer pile 35 to replenish the bacterial liquid and take samples. The fermented fertilizer pile 35 forms organic mud fertilizer.

[0032] The electric valve can be set as an electrically operated one-way valve to prevent fertilizer from entering the electric valve when the liquid is not being sprayed.

[0033] like Figures 1-3 As shown, in an optional embodiment of the present invention, two rows of toothed blocks are fixedly connected to the outer wall of the liquid tank 4, each row of toothed blocks including two or more toothed blocks 7. The sampling box 10 is provided with a conveying cavity 17 and a transmission cavity 22. The bottom wall of the conveying cavity 17 is connected to the bottom wall of the sampling box 10 through the storage channel 26. The inner wall of the transmission cavity 22 is rotatably connected to a rotating rod 18 and a linkage shaft 23. The rotating rod 18 extends through the conveying cavity 17 to the outside of the sampling box 10. A spiral part 19 and a second worm gear 20 are fixedly connected to the rotating rod 18. A second worm wheel 21 and a first sprocket 24 are fixedly connected to the linkage shaft 23. The second worm gear 20 and the second worm wheel 21 mesh. A support plate 27 is movably connected to the inner wall of the storage channel 26. A second sprocket 28 is rotatably connected to the operating column 5. The second sprocket 28 is connected to the first sprocket 24 through a chain 25. The second sprocket 28 and the second spur gear 30 are fixedly connected.

[0034] like Figures 1-3As shown, in an optional embodiment of the present invention, a rack 8 is fixedly connected to one of the operating columns 5, and the drive assembly includes a motor 11, a reducer 15 and a first spur gear 16. The motor 11 and the reducer 15 are both fixedly connected to the outer wall of the liquid tank 4. The output shaft of the motor 11 and the input shaft of the reducer 15 are fixedly connected. The first spur gear 16 is fixedly connected to the output shaft of the reducer 15 and meshes with the rack 8.

[0035] like Figure 4 As shown, in an optional embodiment of the present invention, the liquid tank 4 is provided with a liquid storage chamber 31, the liquid storage chamber 31 is filled with bacterial liquid, a pump body 33 is fixedly connected to the liquid storage chamber 31, and the liquid outlet pipe 34 on the pump body 33 is connected to the two liquid guide pipes 6.

[0036] like Figure 4 As shown, in an optional embodiment of the present invention, a first worm gear 12 is fixedly connected to the output shaft of the motor 11, a stirring rod 14 is rotatably connected to the inner wall of the liquid storage chamber 31, the left end of the stirring rod 14 extends to the outside of the liquid tank 4, a first worm wheel 13 is fixedly connected to the left end of the stirring rod 14, the first worm wheel 13 and the first worm gear 12 mesh, and two or more stirring blades 32 are fixedly connected to the stirring rod 14.

[0037] like Figure 3 As shown, in an optional embodiment of the present invention, the operating column 5 is provided with a groove, and an extension rod 29 is rotatably connected to the inner wall of the groove. The second sprocket 28 and the second spur gear 30 are both fixed to the extension rod 29, and the second spur gear 30 extends to the top of the operating column 5.

[0038] like Figure 1 As shown, in an optional embodiment of the present invention, a door 3 is movably connected to the fermentation chamber 1.

[0039] like Figure 1 As shown, in an optional embodiment of the present invention, a first mounting plate and a second mounting plate are fixedly connected to the outer wall of the liquid tank 4, the motor 11 is fixedly connected to the first mounting plate, and the reducer 15 is fixedly connected to the second mounting plate.

[0040] An organic fertilizer application method for deep plowing and returning all straw to the field includes the following steps: chopping the straw in the farmland, spreading the organic mud fertilizer prepared by the organic fertilizer preparation method evenly on the farmland surface, and deep plowing the farmland so that the straw and organic mud fertilizer are turned into the tillage layer together.

[0041] In an optional embodiment of the present invention, before deep plowing the farmland, a decomposition accelerator is evenly spread on the straw.

[0042] Implementation process: When it is necessary to replenish the bacterial solution and take samples from the fertilizer pile 35, the motor 11 is turned on. The output shaft of the motor 11 drives the first worm gear 12, the first worm wheel 13, the stirring rod 14, and the stirring blade 32 to rotate rapidly. The stirring blade 32 stirs the bacterial solution in the storage chamber 31 to make the bacterial community evenly distributed in the bacterial solution, thereby improving the uniformity of colony distribution during spraying.

[0043] After the output shaft of motor 11 is reduced by reducer 15, the first spur gear 16 rotates slowly. The first spur gear 16 drives the rack 8 to move, thereby driving the two operating columns 5 to gradually move to the left. When the operating column 5 and sampling box 10 are inserted into the fertilizer pile 35, the pump body 33 is turned on. The pump body 33 draws bacterial solution into the two liquid guide pipes 6 and gradually controls the opening of the electric valve from left to right, so that the bacterial solution is sprayed from the electric valve into the fertilizer pile 35, thereby replenishing the bacterial community in different positions inside the fertilizer pile 35. When the operating column 5 moves to the left, it will drive the second spur gear 30 to move to the left. The second spur gear 30 will mesh with all the tooth blocks 7 on the tooth block group one by one, thereby driving the second spur gear 30 and the rack 8 to move to the left. The extension rod 29, the second sprocket 28, the chain 25, the first sprocket 24, the linkage shaft 23, the second worm gear 21, the second worm 20, the rotating rod 18, and the spiral part 19 rotate. The spiral part 19 will rotate several times, thereby driving a small amount of sample from the fertilizer pile 35 into the conveying chamber 17. When the sample moves above the storage channel 26, it falls onto the support plate 27 in the storage channel 26 for temporary storage. Due to the gap between the adjacent tooth blocks 7, the spiral part 19 will rotate intermittently, thereby intermittently sampling different positions at the same level of the fertilizer pile 35. This will prevent excessive sampling, which would make it difficult to store and waste the samples. All samples will fall into the storage channel 26 for storage.

[0044] After replenishing the bacterial solution and completing the sampling, stop the pump 33, close all electric valves, reverse the control motor 11, and move the operating column 5 and sampling box 10 to the right to detach them from the fertilizer pile 35. After moving the support plate 27, the sample in the storage channel 26 can be taken out to facilitate the testing of various data of the sample, such as bacterial density and pH, so as to control the amount of bacterial solution to be replenished next time.

[0045] The outer wall of the liquid tank 4 of this invention is provided with two operating columns 5. The operating columns 5 are driven by a drive component to achieve insertion movement. The operating columns 5 are provided with a liquid guide pipe 6 and a sampling box 10, so that the bacterial liquid can be accurately delivered from the outside to different depths and positions inside the fertilizer pile 35, effectively solving the problem that the traditional surface spraying method cannot penetrate into the fertilizer pile 35.

[0046] Multiple electric valves are installed on the liquid guide pipe 6, which can realize the layered and targeted spraying of bacterial liquid. Combined with the efficient liquid supply function of the pump body 33, it ensures the uniform distribution of bacterial liquid, thereby improving the overall fermentation and the activity of the bacterial community.

[0047] During the sliding process of the operating column 5, the motor 11 drives the first spur gear 16 to mesh with the rack 8, thereby achieving precise forward and backward movements of position control and improving the level of intelligent and automated operation.

[0048] The output shaft of motor 11 is linked to the first worm gear 12 and the first worm wheel 13 to drive the stirring rod 14 in the liquid storage chamber 31 to rotate. Multiple stirring blades 32 fixed on the stirring rod 14 can continuously stir the bacterial liquid, effectively preventing bacterial sedimentation and ensuring uniform activity of the bacterial liquid when it is sprayed.

[0049] The intermittent sampling of the sampling box 10 avoids excessive disturbance inside the fertilizer pile 35 caused by continuous sampling, maintains the structural stability of the fertilizer pile 35, reduces the impact on the natural fermentation environment and temperature and humidity distribution of microorganisms during composting, and can collect multiple typical point samples sequentially at the same level, improving the representativeness and uniformity of sampling.

[0050] The system forms a linkage structure in the functions of bacterial replenishment and sample collection, and completes deep bacterial replenishment and sampling simultaneously. It effectively realizes the monitoring, feedback and process control of the fermentation process, and significantly improves the intelligence and automation of the system. The entire automatic bacterial replenishment fermentation system has a compact structure and superior functions, and is suitable for manure treatment to prepare fertilizer in a variety of scenarios.

[0051] The components, modules, mechanisms, and devices in this invention that are not described in detail are all general standard parts or components known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A method for preparing organic fertilizer for deep plowing and returning all straw to the field, characterized in that, Includes the following steps: Collect feces, dehydrate the collected feces, sprinkle acid-base neutralizing substance on the feces and stir, adjust the acid-base of the feces, add fermentation agent to the feces and stir, and use an automatic replenishing fermentation system to ferment the feces. The automatic replenishing fermentation system includes a fermentation chamber (1) and a liquid tank (4). The fermentation chamber (1) is provided with a fermentation cavity (2), and the liquid tank (4) is provided with two automatic replenishing and sampling mechanisms. The automatic liquid replenishment and sampling mechanism includes an operating column (5), a liquid guide tube (6), and a sampling box (10). The operating column (5) is slidably connected to the outer wall of the liquid tank (4). The liquid guide tube (6) and the sampling box (10) are both fixed to the operating column (5). The operating column (5) is slidably connected to the fermentation chamber (1). The operating column (5) extends into the fermentation chamber (2). The sampling box (10) is located in the fermentation chamber (2). The liquid guide tube (6) is connected to the liquid tank (4). Two operating columns (5) are fixedly connected by a connecting rod (9). The outer wall of the liquid tank (4) is equipped with a driving component. The feces are put into the fermentation chamber (2) to form a fertilizer pile (35) for fermentation. Every once in a while, the driving component is used to drive the operating column (5) so that the operating column (5) and the sampling box (10) are inserted into the fertilizer pile (35) to replenish the bacterial solution and take samples. The fermented fertilizer pile (35) forms organic mud fertilizer. Two rows of toothed blocks are fixed to the outer wall of the liquid tank (4), each row of toothed blocks including two or more toothed blocks (7). The sampling box (10) is provided with a transport cavity (17) and a transmission cavity (22). The bottom wall of the transport cavity (17) is connected to the bottom wall of the sampling box (10) through the storage channel (26). The inner wall of the transmission cavity (22) is rotatably connected with a rotating rod (18) and a linkage shaft (23). The rotating rod (18) passes through the transport cavity (17) and extends to the outside of the sampling box (10). The rotating rod (18) is fixedly connected to a helical part (19) and a second worm (20). The linkage shaft (23) is fixedly connected to a second worm wheel (21) and a first sprocket (24). The second worm (20) and the second worm wheel (21) mesh. The operating column (5) is rotatably connected to a second sprocket (28). The second sprocket (28) is connected to the first sprocket (24) through a chain (25). The second sprocket (28) is fixedly connected to the second spur gear (30).

2. The method for preparing organic fertilizer for deep plowing and returning all straw to the field according to claim 1, characterized in that, One of them A rack (8) is fixedly connected to the operating column (5). The drive assembly includes a motor (11), a reducer (15), and a first spur gear (16). The motor (11) and the reducer (15) are both fixedly connected to the outer wall of the liquid tank (4). The output shaft of the motor (11) and the input shaft of the reducer (15) are fixedly connected. The first spur gear (16) is fixedly connected to the output shaft of the reducer (15). The first spur gear (16) meshes with the rack (8). Two or more electric valves are fixedly connected to the liquid guide tube (6). The electric valves are embedded in the outer wall of the operating column (5). The inner wall of the storage channel (26) is movably connected to the support plate (27).

3. The method for preparing organic fertilizer for deep plowing and returning all straw to the field according to claim 2, characterized in that, The liquid tank (4) has a liquid storage chamber (31) filled with bacterial liquid. A pump body (33) is fixedly connected to the liquid storage chamber (31). The outlet pipe (34) on the pump body (33) is connected to the two liquid guide pipes (6).

4. The method for preparing organic fertilizer for deep plowing and returning all straw to the field according to claim 3, characterized in that, A first worm gear (12) is fixedly connected to the output shaft of the motor (11). A stirring rod (14) is rotatably connected to the inner wall of the liquid storage chamber (31). The left end of the stirring rod (14) extends to the outside of the liquid tank (4). A first worm wheel (13) is fixedly connected to the left end of the stirring rod (14). The first worm wheel (13) and the first worm gear (12) mesh. Two or more stirring blades (32) are fixedly connected to the stirring rod (14).

5. The method for preparing organic fertilizer for deep plowing and returning all straw to the field according to claim 4, characterized in that, The operating column (5) has a groove, and an extension rod (29) is rotatably connected to the inner wall of the groove. The second sprocket (28) and the second spur gear (30) are both fixed to the extension rod (29), and the second spur gear (30) extends to the top of the operating column (5).

6. The method for preparing organic fertilizer for deep plowing and returning all straw to the field according to claim 5, characterized in that, A door (3) is movably connected to the fermentation chamber (1).

7. The method for preparing organic fertilizer for deep plowing and returning all straw to the field according to claim 6, characterized in that, The outer wall of the liquid tank (4) is fixed with a first mounting plate and a second mounting plate. The motor (11) is fixed to the first mounting plate and the reducer (15) is fixed to the second mounting plate.

8. A method for applying organic fertilizer through deep plowing and returning all straw to the field, characterized in that, Includes the following steps: The straw in the farmland is chopped up, and the organic mud fertilizer prepared by any one of the organic fertilizer preparation methods according to claims 1-7 is evenly spread on the farmland surface. The farmland is then deeply tilled so that the straw and organic mud fertilizer are turned into the tillage layer together.

9. The method for applying organic fertilizer for deep plowing and returning all straw to the field according to claim 8, characterized in that, Before deep plowing the farmland, a decomposing agent is evenly spread on the straw.

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