CN211531706U - Powder loosening and ridging machine with upper vertical rotary plow and lower rotary plow - Google Patents
Powder loosening and ridging machine with upper vertical rotary plow and lower rotary plow Download PDFInfo
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- CN211531706U CN211531706U CN201921891379.4U CN201921891379U CN211531706U CN 211531706 U CN211531706 U CN 211531706U CN 201921891379 U CN201921891379 U CN 201921891379U CN 211531706 U CN211531706 U CN 211531706U
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Abstract
A powder loosening and ridging machine with an upper vertical rotary lower plough comprises a frame and a powder ridge transmission case, wherein walking wheels are mounted at the bottom of the frame, and a cab and a power device are mounted on the frame; the powder ridge transmission box is arranged at the rear part of the frame, a hinged arm, a hydraulic motor and a hinged seat are arranged on the powder ridge transmission box, the hinged arm is connected with the frame through a hydraulic cylinder, and the hinged seat is also connected with the frame; the bottom of the ridge smashing transmission box is provided with a spiral drill bit driven by a hydraulic motor; the back part of the powder ridge transmission box is provided with a deep loosening ploughshare through a ploughshare rod, the position of the deep loosening ploughshare is positioned at the lower part of the spiral drill bit during the cultivation, and the ultra-deep cultivation and deep loosening soil layer is achieved after the spiral drill bit and the deep loosening ploughshare operate on the same vertical surface at the same time. The ridge smashing machine utilizes the spiral drill to plough upper-layer soil and the furrow plough to loosen lower-layer soil, so as to realize deep ploughing and deep loosening of a non-messy soil layer.
Description
Technical Field
The utility model relates to the technical field of tillage machines, in particular to an up-vertical rotary-down plough loosening and ridging machine.
Background
In the civilization history of thousands of years in China, agriculture occupies an important position in the whole production. With the development of social economy, in order to increase the yield and improve the labor productivity, the labor people invent and create various agricultural production tools. In the field of tillage, the prior farming methods include deep tillage, shallow tillage, no tillage and combination of deep tillage and shallow tillage, and the farming is labor-consuming and hard because of being limited to production tools before modern mechanization appears, so that shallow tillage and no tillage are main means, and the quality of land is gradually degraded due to excessively frequent cultivation in the long year, soil hardening is serious, permeability is reduced, water and fertilizer conservation and energy storage capacity is reduced, and the requirement of high quality and high yield of shallow tillage or no-tillage crops cannot be met. Since the appearance of tractors and matched agricultural implements, deep ploughing is easy to realize, and people also pay attention to the combination of deep ploughing, shallow ploughing and no ploughing so as to meet the requirements of various plant growth.
In recent years, the emergence of the ridge smashing technology changes the existing backward cultivation mode, the cultivated layer is constructed by doubling again, a good farmland 'cultivated land reservoir' and a soil aerobic and oxygen increasing mechanism are formed, natural resources such as soil, natural rainfall, soil oxygen and the like are used in a friendly and efficient manner, the crop naturality is promoted to be greatly improved, the unit yield and the product quality are improved, and the modern agriculture development is light and simple cultivation, so that the grain, water resource, ecological safety and national health requirements of China are met. The ridge smashing technology is used for realizing ultra-deep ploughing and activating various land resources, repairing soil, increasing and storing natural rainfall and improving ecological huge science and application potential, green ecological big pattern agriculture can be constructed, and hopefully, the agriculture in China is changed from single cultivated land agriculture to green super agriculture patterns such as cultivated land, saline-alkali land, degraded grassland, marginal land, river water and offshore water, the agricultural products such as grains, meat, milk and fish can be produced in a high quality mode, more natural rainfall is stored and reserved on land to be available water resources, the overall breaking of the existing agricultural resources is not matched with the development requirements of population, the grain safety is guaranteed, the agricultural production mode has to pursue high yield or ultra-high yield, chemical fertilizers are piled and used more pesticides, and the problems that soil, water and air are easy to be polluted are caused. Therefore, the ridge smashing technology has great effect in the popularization and the application in various parts of China. The ridge smashing technology is rarely applied to ridge smashing ploughing tools, and some ridge smashing ploughing tools are also reported in published documents, such as:
1. chinese patent: the utility model provides a hydraulic pressure dark rotary tillage whitewashed ridge machine, application number: 201410430245.8, filing date: 2014.08.28, Applicant: wiegand wave, address: 530007 Tokyan 174 Keyuan district, Dong Lu of West-village-district university, Nanning City of Guangxi Zhuang nationality, inventor: wieganwei, lie-inscription, webevine, li-duckweed, abstract: the invention discloses a hydraulic deep rotary tillage ridge smashing machine which comprises a travelling device, a cab, an engine, a ridge smashing machine and a rack, wherein the cab and the engine are arranged on the rack, the travelling device is arranged at the lower part of the rack and is driven by the engine, a circular disc cutter driven by a hydraulic motor is arranged at the front lower part of the rack, and the rear part of the rack is connected with the ridge smashing machine through a hinged seat and a hydraulic cylinder support. The hydraulic deep rotary tillage ridge smashing machine disclosed by the invention is stable in walking, simple and practical, integrates soil deep loosening, surface loosening and soil block smashing into a whole, is deep in soil drilling and high in soil smashing efficiency, can increase the oxygen content in the deep soil, is beneficial to the growth of crop roots and improves the crop yield.
2. Chinese patent: grind formula deep ploughing powder ridge multi-functional machinery soon, application number: 201010270614.3, filing date: 2010.09.03, Applicant: webmaster, address: 530007 Guangxi agricultural science institute, east road 174, university of Nanning city, Guangxi Zhuang nationality, inventor: weberkini, lie inscription, celeriac, wiyuan wave, lililizard, abstract: a rotary grinding type multifunctional machine for deep ploughing and pulverizing ridges is composed of a tractor as supporter, a hydraulic unit installed to the back frame of said tractor, a rotary grinding-bit unit with one or more bit axles, spiral blades on said bit axles, and angle teeth on said spiral blades, and a unit for preventing straw from being wound, a hydraulic unit for driving said rotary grinding-bit to move up and down, a speed-varying box for driving said rotary grinding-bit via connecting rod and gear, and a rotary grinding-bit unit consisting of a U-shaped slot under the soil to loosen the soil layer and improve soil quality, the disease and weed are relatively reduced, and the crop is easy to obtain high and stable yield.
3. Chinese patent: the utility model provides a deep ploughing is loose powder ridge device deeply, application number: 201510007147.8, filing date: 2015.01.07, Applicant: li yangming, address: 537000 Guangxi Zhuang autonomous area Yulin City Yuzhou district No. 398, inventor: plum yangming, abstract: the invention provides a deep-ploughing, deep-loosening and powder-ridge device, which aims to solve the problems of low walking speed, low efficiency and the like of a powder-ridge machine. The ridge smashing machine using the ridge smashing drill bit is high in ploughing speed, better in soil smashing and natural ridge forming effects, capable of meeting the use requirements of agricultural production and capable of achieving large-scale production.
4. Chinese patent: the utility model provides a whitewashed ridge device of powder ridge machine is ploughed to pine, application number: 201510328328.0, filing date: 2015.06.15, Applicant: lie, address: 537500 Guangxi Zhuang autonomous region Yulin City county economic development area, inventor: deep plum, abstract: the invention discloses a ridge smashing device of a ridge smashing machine for loose tillage, which comprises a ridge smashing box, wherein the ridge smashing box comprises a bottom plate, side plates and a top plate, a lower bearing seat is arranged on the bottom plate, a rib plate is welded between the lower bearing seats, a lubricating oil channel is arranged between the rib plate and the bottom plate, an upper bearing seat is arranged on the top plate, and the lower bearing seat is longer than the upper bearing seat. The structure of the invention can improve the strength of the lower bearing seat, facilitate the installation of a plurality of bearings in a place with large stress, and install a few bearings in a place with small stress, so as to improve the rigidity and the transmission stability of the transmission shaft and reduce the cost; the rib plates are convenient to weld, smooth flowing of lubricating oil in the powder ridge box is guaranteed, and the lubricating effect is improved.
Practical application researches find that the existing ridge smashing machine can achieve the deep loosening effect only by enabling a spiral drill bit to penetrate into soil, and when a spiral brick penetrates into the soil, ridge smashing and soil discharging slow resistance is large, farming efficiency is low, and energy consumption is high.
Disclosure of Invention
The utility model aims at providing an on immediately, revolve and turn off plough pine powder ridger, this powder ridger utilizes auger bit to plough upper earth, utilizes plough to loosen lower earth, reaches the not indiscriminate soil layer of super deep ploughing subsoiling behind auger bit and the operation of the same facade of dark loose share plough while, because auger bit farming is shallow, reduces the resistance of dark income soil powder ridge dumping, improves farming efficiency, reduces the energy consumption.
In order to realize the purpose of the utility model, the technical scheme who takes is:
a powder loosening and ridging machine with an upper vertical rotary lower plough comprises a frame and a powder ridge transmission case, wherein walking wheels are mounted at the bottom of the frame, and a cab and a power device are mounted on the frame; the powder ridge transmission box is arranged at the rear part of the frame, a hinged arm, a hydraulic motor and a hinged seat are arranged on the powder ridge transmission box, the hinged arm is connected with the frame through a hydraulic cylinder, and the hinged seat is also connected with the frame; the bottom of the ridge smashing transmission box is provided with a spiral drill bit driven by a hydraulic motor; an operator controls a hydraulic system to realize stable lifting and lowering of the powder ridge transmission box through a hydraulic cylinder, so that the auger bit can be lifted to be parallel to the horizontal plane and lowered to be vertical to the horizontal plane; the rear part of the powder ridge transmission box is provided with a plurality of deep loosening ploughs through ploughshare rods, the deep loosening ploughs are positioned at the lower parts of the vertical spiral drill bits during cultivation, and deep ploughing and deep loosening are achieved after the horizontal rotary tillage of the vertical spiral drill bit blades and the deep loosening of the bottom layers of the ploughshares work together. The auger bit of document 1 of the background art is used. The deep digging share plough is a dovetail-like plough, the front end is sharp, and the rear side is dovetail-like; when the ridge smashing machine walks, the deep loosening share plough cuts soil on the lower portion of a ridge smashing soil layer of the spiral drill bit due to power traction, and the purpose of loosening soil at the bottom is achieved.
The rear part of the powder ridge transmission box is provided with a furrow plough rod mounting seat, the furrow plough rod is provided with a plurality of pin holes, and the furrow plough rod is vertically and adjustably mounted in the furrow plough rod mounting seat through a furrow plough fixing pin shaft. When the spiral drill is used for ridge smashing cultivation, the deep loosening ploughshare loosens soil on the lower portion of ridge smashing cultivation, deep ploughing and deep loosening of a non-messy soil layer are achieved, a soil reservoir is built on the bottom layer, and the method is more beneficial to growth of crops and is beneficial to building of a good soil reservoir on the bottom layer. The share plough rod mounting seat can be arranged on the vehicle frame or the powder ridge transmission box, one end of the share plough rod is fixed with the deep loosening share plough, and the other end of the share plough rod mounting seat is arranged on the share plough rod mounting seat. The ridge-grinding depth and the furrow-plough loosening depth can be adjusted according to planting requirements and soil conditions, the furrow-plough loosening depth is deeper than the ridge-grinding depth, a vertical spiral drill bit is generally selected to be about 30 cm deeper than the ridge-grinding depth, the furrow-plough loosening depth is about 30 cm lower than the furrow-plough loosening depth, and the total plowing depth reaches about 60 cm.
The rear part of the powder ridge transmission case is provided with a soil leveling roller for leveling the cultivated soil, the soil leveling roller is communicated and rotatably arranged on a swinging suspension rod, the swinging suspension rods at the two ends of the soil leveling roller are respectively fixed at the rear part of the powder ridge transmission case through a mounting frame,
the soil leveling roller comprises a rotating shaft, flanges and soil leveling rods, wherein the soil leveling rods are uniformly distributed between the two circular flanges to form a hollow roller, the rotating shafts are fixed on the flanges at the two ends of the soil leveling rods, and the rotating shafts are rotatably arranged on the swinging suspension rods.
The rotating shaft is arranged on the swinging suspension rod through a bearing.
The soil leveling rod is in an inverted V shape, and when the soil leveling roller rolls, the sharp corner of the soil leveling rod is firstly contacted with soil.
This last plough pine powder ridge machine that immediately revolves down advantage:
1. the upper vertical rotary lower plough loosening powder ridge machine is ingenious in arrangement, a deep loosening furrow plough is arranged at the rear part of a powder ridge transmission box, the deep loosening furrow plough is positioned at the lower part of a spiral drill bit during cultivation, the spiral drill bit grinds soil on the upper part in a ridge tillage way, the deep loosening furrow plough ploughs soil on the lower part of the powder ridge tillage soil, deep ploughing and deep loosening can be completed without the spiral drill bit deeply tilling deep soil, the spiral drill bit is prevented from deeply tilling the soil, the cultivation and soil discharging are slow, and the working efficiency is low and the working is large; under the premise of the same traction horsepower and tillage depth, the tillage efficiency is improved by more than 20% compared with a pure spiral drill ridging tool, and the oil consumption is reduced by more than 10%.
2. The back part of the ridge smashing transmission box is provided with a soil leveling roller for leveling the soil after cultivation, the soil leveling rod is in an inverted V shape, when the soil leveling roller rolls, the sharp corner of the soil leveling rod is firstly contacted with the soil, and the ridge smashing transmission box can level the soil after ridge smashing cultivation without secondary leveling work.
Drawings
FIG. 1 is a schematic diagram of the structure of the powder loosening ridge making machine with an upper vertical rotary plow and a lower rotary plow;
FIG. 2 is a schematic view of the soil leveling drum of FIG. 1;
FIG. 3 is a schematic view of the deep plow of FIG. 1;
FIG. 4 is a top view of FIG. 3;
the part names of the sequence numbers in the figure are:
1. the device comprises a travelling wheel, 2, a cab, 3, a power device, 4, a frame, 5, a hydraulic cylinder, 6, an articulated arm, 7, a furrow plough fixed pin shaft, 8, a furrow plough rod mounting seat, 9, a mounting frame, 10, a swinging suspension rod, 11, a soil leveling roller, 12, a hydraulic motor, 13, a powder ridge transmission box, 14, a furrow plough rod, 15, a deep scarification furrow plough, 16, a spiral drill bit, 17, an articulated seat, 18, a bearing, 19, a rotating shaft, 20, a flange, 21 and a soil leveling rod.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A powder loosening and ridging machine with an upper vertical rotary lower plough comprises a frame 4 and a powder ridge transmission case 13, wherein walking wheels 1 are mounted at the bottom of the frame 4, and a cab 2 and a power device 3 are mounted on the frame 4; the powder ridge transmission box 13 is arranged at the rear part of the frame 4, the powder ridge transmission box 13 is provided with a hinged arm 6, a hydraulic motor 12 and a hinged seat 17, the hinged arm 6 is connected with the frame 4 through a hydraulic cylinder 5, and the hinged seat 17 is also connected with the frame 4; the bottom of the ridge smashing transmission box 13 is provided with a spiral drill bit 16 driven by a hydraulic motor 12; an operator controls a hydraulic system to stably lift and lower the powder ridge transmission box 13 through the hydraulic cylinder 5, so that the spiral drill bit 16 can be lifted to be parallel to the horizontal plane and lowered to be vertical to the horizontal plane; the back part of the powder ridge transmission box 13 is provided with a deep loosening furrow plough 15 through a furrow plough rod 14, the back part of the powder ridge transmission box 13 is provided with a furrow plough rod mounting seat 8, the furrow plough rod 14 is provided with a plurality of pin holes, and the furrow plough rod 14 is vertically and adjustably mounted in the furrow plough rod mounting seat 8 through a furrow plough fixing pin shaft 7. The deep-loosening furrow plough 15 is positioned at the lower part of the spiral drill bit 16 during cultivation, when the spiral drill bit 16 is used for ridge crushing cultivation, the deep-loosening furrow plough 15 loosens soil on the lower part of the ridge crushing cultivation, deep ploughing and deep loosening of a disordered soil layer are realized, a soil reservoir is constructed at the bottom layer, and the growth of crops is facilitated to construct a good soil reservoir at the bottom layer. The share plough rod mounting seat 8 can be arranged on the vehicle frame 4 or the powder ridge transmission box 13, one end of the share plough rod 14 is fixed with the deep loosening share plough 15, and the other end is arranged on the share plough rod mounting seat 8. The powder ridge tillage depth and the furrow plough loosening depth can be adjusted according to planting requirements and soil conditions, the furrow plough loosening depth is deeper than the powder ridge tillage depth, the powder ridge tillage depth is generally selected to be about 30 centimeters, the furrow plough loosening depth is about 30 centimeters at the lower part of the furrow plough loosening depth, and the total tillage depth reaches about 60 centimeters.
Example 2
A powder loosening and ridging machine with an upper vertical rotary lower plough comprises a frame 4 and a powder ridge transmission case 13, wherein walking wheels 1 are mounted at the bottom of the frame 4, and a cab 2 and a power device 3 are mounted on the frame 4; the powder ridge transmission box 13 is arranged at the rear part of the frame 4, the powder ridge transmission box 13 is provided with a hinged arm 6, a hydraulic motor 12 and a hinged seat 17, the hinged arm 6 is connected with the frame 4 through a hydraulic cylinder 5, and the hinged seat 17 is also connected with the frame 4; the bottom of the ridge smashing transmission box 13 is provided with a spiral drill bit 16 driven by a hydraulic motor 12; an operator controls a hydraulic system to stably lift and lower the powder ridge transmission box 13 through the hydraulic cylinder 5, so that the spiral drill bit 16 can be lifted to be parallel to the horizontal plane and lowered to be vertical to the horizontal plane; the back part of the powder ridge transmission box 13 is provided with a deep loosening furrow plough 15 through a furrow plough rod 14, the back part of the powder ridge transmission box 13 is provided with a furrow plough rod mounting seat 8, the furrow plough rod 14 is provided with a plurality of pin holes, and the furrow plough rod 14 is vertically and adjustably mounted in the furrow plough rod mounting seat 8 through a furrow plough fixing pin shaft 7. The deep-loosening furrow plough 15 is positioned at the lower part of the spiral drill bit 16 during cultivation, when the spiral drill bit 16 is used for ridge crushing cultivation, the deep-loosening furrow plough 15 loosens soil on the lower part of the ridge crushing cultivation, deep ploughing and deep loosening of a disordered soil layer are realized, a soil reservoir is constructed at the bottom layer, and the growth of crops is facilitated to construct a good soil reservoir at the bottom layer. The share plough rod mounting seat 8 can be arranged on the vehicle frame 4 or the powder ridge transmission box 13, one end of the share plough rod 14 is fixed with the deep loosening share plough 15, and the other end is arranged on the share plough rod mounting seat 8. The powder ridge tillage depth and the furrow plough loosening depth can be adjusted according to planting requirements and soil conditions, the furrow plough loosening depth is deeper than the powder ridge tillage depth, the powder ridge tillage depth is generally selected to be about 30 centimeters, the furrow plough loosening depth is about 30 centimeters at the lower part of the furrow plough loosening depth, and the total tillage depth reaches about 60 centimeters.
Powder ridge transmission case 13's rear portion install and be used for scraping the flat soil cylinder 11 of the earth after the farming, flat soil cylinder 11 communicate rotatable install on swing suspension rod 10, the swing suspension rod 10 at flat soil cylinder 11 both ends is fixed at the rear portion of powder ridge transmission case 13 through mounting bracket 9 respectively, flat soil cylinder 11 include pivot 19, flange 20 and flat soil pole 21, many flat soil pole 21 equipartitions set up and form hollow cylinder between two circular form flanges 20, be fixed with pivot 19 on the flange 20 at flat soil pole 21 both ends, pivot 19 is rotatable installs on swing suspension rod 10. The soil leveling rod 21 is in an inverted V shape, and when the soil leveling roller 11 rolls, the sharp corner of the soil leveling rod 21 is firstly contacted with soil.
Comparative experiment
Test site: 2019 Guangxi Longan county Tokyowan sugarcane field
| Model (same tillage width) | Horsepower of | Area of cultivation | Oil consumption | Time consuming |
| Powder loosening ridge machine with upper vertical rotary lower plough | 80 | 1 mu m | Less than 6 liters | < 8 minutes |
| Powder ridge machine of |
80 | 1 mu m | > 7 liters | Greater than 10 minutes |
. The above description is not intended to limit the present application, and the present application is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions or substitutions within the spirit and scope of the present application.
Claims (4)
1. A powder ridge loosening machine with an upper vertical rotary lower plough comprises a frame (4) and a powder ridge transmission case (13), wherein walking wheels (1) are installed at the bottom of the frame (4), and a cab (2) and a power device (3) are installed on the frame (4); the powder ridge transmission box (13) is installed at the rear part of the frame (4), an articulated arm (6), a hydraulic motor (12) and an articulated seat (17) are installed on the powder ridge transmission box (13), the articulated arm (6) is connected with the frame (4) through a hydraulic cylinder (5), and the articulated seat (17) is also connected with the frame (4); the bottom of the ridge smashing transmission box (13) is provided with a spiral drill bit (16) driven by a hydraulic motor (12); the method is characterized in that: the back part of the powder ridge transmission box (13) is provided with a deep loosening furrow plough (15) through a furrow plough rod (14), the position of the deep loosening furrow plough (15) is positioned at the lower part of the auger bit (16) when in cultivation, and the deep plowing and deep loosening of the soil layer can be achieved after the auger bit (16) and the deep loosening furrow plough (15) work; a soil leveling roller (11) for leveling the cultivated soil is arranged at the rear part of the powder ridge transmission box (13), the soil leveling roller (11) is rotatably arranged on a swinging suspension rod (10), and the swinging suspension rods (10) at the two ends of the soil leveling roller (11) are respectively fixed at the rear part of the powder ridge transmission box (13) through a mounting frame (9); the soil leveling roller (11) comprises a rotating shaft (19), flanges (20) and soil leveling rods (21), wherein the soil leveling rods (21) are uniformly distributed between the two circular flanges (20) to form a hollow roller, the rotating shaft (19) is fixed on the flanges (20) at the two ends of each soil leveling rod (21), and the rotating shaft (19) is rotatably arranged on the swinging suspension rod (10).
2. The machine of claim 1, wherein: the rear part of the powder ridge transmission box (13) is provided with a furrow plough rod mounting seat (8), the furrow plough rod (14) is provided with a plurality of pin holes, and the furrow plough rod (14) is vertically and adjustably mounted in the furrow plough rod mounting seat (8) through a furrow plough fixing pin shaft (7).
3. The machine of claim 1, wherein: the rotating shaft (19) is arranged on the swinging suspension rod (10) through a bearing (18).
4. The machine of claim 1, wherein: the soil leveling rod (21) is in an inverted V shape, and when the soil leveling roller (11) rolls, the sharp corner of the soil leveling rod (21) is firstly contacted with soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921891379.4U CN211531706U (en) | 2019-11-05 | 2019-11-05 | Powder loosening and ridging machine with upper vertical rotary plow and lower rotary plow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921891379.4U CN211531706U (en) | 2019-11-05 | 2019-11-05 | Powder loosening and ridging machine with upper vertical rotary plow and lower rotary plow |
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| CN211531706U true CN211531706U (en) | 2020-09-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113332473A (en) * | 2021-06-25 | 2021-09-03 | 广西壮族自治区农业科学院 | Banana wilt soil plowing and disinfecting device and application method |
| CN114365594A (en) * | 2022-01-15 | 2022-04-19 | 广西金稻机械有限公司 | Expanding type ridge smashing and deep rotary tillage machine and ridge smashing and deep rotary tillage method for treating saline-alkali soil |
-
2019
- 2019-11-05 CN CN201921891379.4U patent/CN211531706U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113332473A (en) * | 2021-06-25 | 2021-09-03 | 广西壮族自治区农业科学院 | Banana wilt soil plowing and disinfecting device and application method |
| CN114365594A (en) * | 2022-01-15 | 2022-04-19 | 广西金稻机械有限公司 | Expanding type ridge smashing and deep rotary tillage machine and ridge smashing and deep rotary tillage method for treating saline-alkali soil |
| CN114365594B (en) * | 2022-01-15 | 2023-08-29 | 广西金稻机械有限公司 | Expansion type powder ridge deep rotary tillage machine tool and powder ridge deep rotary tillage method for treating saline-alkali soil |
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