CN107690888A - A kind of spiral ditching-fertilizing device - Google Patents
A kind of spiral ditching-fertilizing device Download PDFInfo
- Publication number
- CN107690888A CN107690888A CN201711099638.5A CN201711099638A CN107690888A CN 107690888 A CN107690888 A CN 107690888A CN 201711099638 A CN201711099638 A CN 201711099638A CN 107690888 A CN107690888 A CN 107690888A
- Authority
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- China
- Prior art keywords
- ditching
- soil
- spiral
- breast boards
- ditching knife
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000000481 breast Anatomy 0.000 claims abstract description 34
- 239000003337 fertilizer Substances 0.000 claims abstract description 34
- 239000003351 stiffener Substances 0.000 claims abstract description 8
- 239000002689 soil Substances 0.000 claims description 33
- 230000000694 effects Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 239000002420 orchard Substances 0.000 abstract description 11
- 235000013399 edible fruits Nutrition 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 235000015097 nutrients Nutrition 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241001212149 Cathetus Species 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 210000003608 fece Anatomy 0.000 description 3
- 239000010871 livestock manure Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 241001314948 Bursaria incana Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
- A01C5/064—Devices for making drills or furrows with rotating tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C3/00—Treating manure; Manuring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/066—Devices for covering drills or furrows
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The present invention discloses a kind of spiral ditching-fertilizing device, belongs to fertilizer machinery field.A kind of spiral ditching-fertilizing device includes fixed mount, hydraulic motor, vertical helical ditching knife, the native case of collection and fertilising pipe.Collecting has the structures such as scraper blade, breast boards, earth-retaining tailgate and stiffener on native case.The spiral ditching-fertilizing device is under the control of other adjusting meanss, curve ditch can be outputed in away from trunks of fruit trees certain distance, and integrally complete fertilising and earthing, fertilizer is imposed near fruit tree root system, nutrient is absorbed beneficial to fruit tree, the utilization ratio of fertilizer is improved, especially suitable for short anvil apple orchard.
Description
Technical field
The present invention discloses a kind of spiral ditching-fertilizing device, belongs to fertilizer machinery equipment field, more particularly to orchard is applied
Fertile mechanical field.
Background technology
During mechanized application, it is necessary to during fertilizer to be imposed on to the groove of certain depth and earthing.Particularly in orchard
, it is necessary to which fertilizer is imposed in the ring-shaped groove around fruit tree tree root during ditching-fertilizing, in favor of improving fertilizer efficiency；When fertilising fills
Put away from fruit tree, that is, when reaching between strain, it is necessary to open straight line ditch.In the prior art, also can realize curve trenching with it is straight
The combination of line trench digging, the integrated ditching-fertilizing device ditched with fertilising, earthing synchronization job.
The present invention disclose a kind of spirally ditching-fertilizing device, the device under the control of other adjusting meanss, can away from
The curve ditch outputed in trunks of fruit trees certain distance, and fertilising and earthing are integrally completed, fertilizer is imposed near fruit tree root system, fitted
For orchard curve trenching fertilising operation, the barnyard manure curve trenching especially suitable for the orchard of spacious, tree-like specification in the ranks applies fertilizer
Operation.
The content of the invention
The purpose of the present invention：A kind of spiral ditching-fertilizing device is disclosed, and disclosure satisfy that can open straight line ditch, and and can opens song
The needs of the fertilising technique of duct, while fertilising and earthing can also be integrally completed, orchard fertilising cost is reduced, promotes the height of fertilizer
Effect utilizes, suitable for orchard curve trenching fertilising operation, the barnyard manure curve especially suitable for the orchard of spacious, tree-like specification in the ranks
Ditching-fertilizing operation.
The technical problem to be solved in the present invention：How to overcome ditching-fertilizing cathetus ditch to be mismatched with tree packing system and reduce
The defects of fertilizer efficiency, simultaneously realizes trench digging, fertilising, earthing integrated.
In order to solve the technical problem to be solved in the present invention, The present invention gives following technical scheme：
A kind of spiral ditching-fertilizing device, it is characterised in that the upper end of fixed mount 10 is fixed with hydraulic motor 1, and hydraulic motor 1 is logical
Shaft coupling 2 is crossed to be connected with the cutter shaft 11 of vertical helical ditching knife 5；The lower end of fixed mount 10 is installed by rolling bearing 12, cutter shaft 11 and rolling
The inner ring of dynamic bearing 12 coordinates, and vertical spiral ditching knife 5 is fixed vertically；The lower section of fixed mount 10 is provided with the native case 3 of collection, collection soil
Case 3 is circle peviform structure, and the latch closure 9 that its top edge is fixed is enclosed on the annular groove 15 of the bottom of fixed mount 10, and latch closure 9 can be around ring
Shape groove 15 rotates；Collect the basin bottom center of native case 3 affixed one section of spiral-tube 19 with one heart down, vertical helical ditching knife 5 is through collection soil
Case 3 and spiral-tube 19 simultaneously keep concentric with them；The native case 3 of collection is at least stretched out on the helical blade top of vertical helical ditching knife 5
Basin bottom；The bottom rear of spiral-tube 19 is fixed with breast boards 6, and breast boards 6 is located at the rear of vertical helical ditching knife 5, and breast boards 6 is arc
Shape structure, concentric encirclement is formed with vertical helical ditching knife 5, the lower end of spiral ditching knife 5 at least exceeds the lower end of breast boards 6；
Collect rear portion on native case 3 and be provided with soil-unloading port 13, it sets two stiffeners 7 between breast boards 6, and the rear of breast boards 6 disposes vertically
Apply fertilizer pipe 8, between two stiffeners 7.
The described front lower edge of spiral-tube 19 is provided with scraper blade 4, and scraper blade 4 pastes earth's surface and advanced during work.
The described both sides of breast boards 6 are fixed with earth-retaining tailgate 18 backward, and breast boards 6 submerges below earth's surface when working, passed through
The effect of blocking simultaneously is surrounded with the anterior trench digging profile formation formed of vertical helical ditching knife 5, makes the periphery of vertical helical ditching knife 5
Cylindric closed area is formed, coordinates vertical helical ditching knife 5 that the soil for cutting, smashing is promoted in the native case 3 of collection, after operation
Ground forms groove；The 8 synchronous fertilizer of fertilising pipe at the rear of breast boards 6 is in groove；The entrance 16 of fertilising pipe 8 and receptacle, row
Fertile mechanism connection.
The described bottom half of collection soil case 3 is provided with chute 14 backward, and chute 14 is downwardly inclined and connected with soil-unloading port 13, draws
The soil collected in native case 3 is led to move to soil-unloading port 13, soil after soil-unloading port 13 under drop down onto the outlet 17 of the pipe 8 that applied fertilizer in groove
Rear portion, realize collection earthen backfill.
It is the pine connection that can freely rotate between the described latch closure 9 of the native case 3 of collection and the annular groove 15 of fixed mount 10, makes
Collect the native in the vertical direction of case 3 to be fixed but can freely rotate in certain angular range around annular groove 15；Collect native case 3
Rotation be to be rotated automatically with groove, power stirring to both sides earth-retaining tailgate 18 from trenched side-wall soil；During trench digging, collection soil
The direction of chute 14 and soil-unloading port 13 on case 3 is with groove adjust automatically.
The described rotating speed of hydraulic motor 1 is adjustable, so as to control the trench digging of vertical helical ditching knife 5 and put forward native efficiency.
A kind of spiral ditching-fertilizing device, its operation principle are as follows：
A kind of spiral ditching-fertilizing device of the present invention can overcome ditching-fertilizing cathetus ditch to be mismatched with tree packing system
And the defects of reducing fertilizer efficiency and trench digging, fertilising, earthing integrated is realized, detailed process and operation principle are expressed as follows：
When the spiral ditching-fertilizing device carries out fertilising operation under the control of other adjusting meanss, vertical helical ditching knife,
Breast boards and fertilising pipe are submerged below earth's surface, fluid motor-driven vertical helical ditching knife rotary operation, vertical helical ditching knife
The breast boards at rear surrounds by the effect of blocking and with the anterior trench digging profile formation formed of vertical helical ditching knife, makes vertical spiral
The periphery of rotation ditching knife forms cylindric closed area, coordinates vertical helical ditching knife that the soil for cutting, smashing is promoted into collection
In native case, ground forms groove after operation, and fertilizer in the fertilising pipe of fixation, applies fertilizer under pipe after fertilizer mechanism is transported to breast boards
The outlet of side imposes on fertilizer in groove.In device ditching-fertilizing operation process, collect native case by trench wall soil to both sides earth-retaining
It the effect that tailgate is stirred, can automatically be rotated with groove, collect the direction of chute on native case and soil-unloading port with groove adjust automatically, soil
Earth after soil-unloading port under drop down onto in groove apply fertilizer pipe outlet rear portion, the fertilizer covered in groove, realize ditching-fertilizing and
The synchronization job of earthing.
Advantageous effects：A kind of spiral ditching-fertilizing device of the present invention can overcome ditching-fertilizing cathetus ditch
The defects of being mismatched with tree packing system and reducing fertilizer efficiency simultaneously realizes trench digging, fertilising, earthing integrated.Suitable for orchard curve trenching
Fertilising operation, the barnyard manure curve trenching fertilising operation especially suitable for the orchard of spacious, tree-like specification in the ranks.
Reference：Kept off 1. the shaft coupling 3. of hydraulic motor 2. collects the native vertical helical ditching knife 6. of 4. scraper blade of case 5.
The chute of 13. soil-unloading port of the native stiffener 8. of plate 7. fertilising pipe 9. latch closure, 10. fixed mount, 11. cutter shaft, 12. rolling bearing 14.
15. the entrance 17. of annular groove 16. exports the spiral-tube of 18. earth-retaining tailgate 19..
Brief description of the drawings
Fig. 1 is a kind of right front view of spiral ditching-fertilizing device
Fig. 2 is a kind of left back view of spiral ditching-fertilizing device
Fig. 3 is the native box structure figure of collection
Fig. 4 is fixed rack structure figure.
Embodiment
A kind of spiral ditching-fertilizing device specific implementation organization plan is as follows：
As shown in Fig. 1,2 and Fig. 4, a kind of spiral ditching-fertilizing device, it is characterised in that the upper end of fixed mount 10 is fixed with hydraulic pressure
Motor 1, hydraulic motor 1 are connected by shaft coupling 2 with the cutter shaft 11 of vertical helical ditching knife 5；The installation of the lower end of fixed mount 10 rolls
Bearing 12, cutter shaft 11 coordinate with the inner ring of rolling bearing 12, and vertical spiral ditching knife 5 is fixed vertically；The lower section of fixed mount 10
The native case 3 of collection is installed, it is circle peviform structure to collect native case 3, and the latch closure 9 that its top edge is fixed is enclosed on the annular of the bottom of fixed mount 10
On groove 15, latch closure 9 can rotate around annular groove 15；Collect the basin bottom center of native case 3 affixed one section of spiral-tube 19 with one heart down, vertical spiral
Revolve ditching knife 5 and keep concentric through the native case 3 of collection and spiral-tube 19 and with them；The helical blade top of vertical helical ditching knife 5
The basin bottom for collecting native case 3 is at least stretched out, ensures that soil is delivered to the native case of collection by vertical helical ditching knife；The bottom rear of spiral-tube 19 is fixed
There is breast boards 6, breast boards 6 is located at the rear of vertical helical ditching knife 5, and breast boards 6 is arcuate structure, with vertical helical ditching knife 5
Formed and surrounded with one heart, the lower end of spiral ditching knife 5 at least exceeds the lower end of breast boards 6；Collect rear portion on native case 3 and be provided with soil-unloading port
13, it sets two stiffeners 7 between breast boards 6, and the rear of breast boards 6 disposes fertilising pipe 8 vertically, positioned at two stiffeners 7
Between.
As shown in figure 3, the described front lower edge of spiral-tube 19 is provided with scraper blade 4, scraper blade 4 pastes earth's surface and advanced during work,
Its walking does not produce high resistance more than ground during work, only preliminary to earth's surface progress to scabble, and prevents because ground is uneven
And cause vertical helical ditching knife to basset, cause to spread soil.
As shown in figures 1 and 3, the described both sides of breast boards 6 are fixed with earth-retaining tailgate 18 backward, and breast boards 6 does not have when working
Enter below earth's surface, surrounded by the effect of blocking and with the anterior trench digging profile formation formed of vertical helical ditching knife 5, make vertical spiral
The periphery of rotation ditching knife 5 forms cylindric closed area, coordinates vertical helical ditching knife 5 to be promoted to the soil for cutting, smashing
Collect in native case 3, ground forms groove after operation；The 8 synchronous fertilizer of fertilising pipe at the rear of breast boards 6 is in groove；Fertilising pipe 8 enters
Mouth 16 is connected with receptacle, fertilizer mechanism.
As shown in Figures 2 and 3, the described bottom half of collection soil case 3 is provided with chute 14 backward, chute 14 be downwardly inclined and with
Soil-unloading port 13 connects, and the soil in guiding set soil case 3 moves to soil-unloading port 13, soil after soil-unloading port 13 under drop down onto in groove and apply
The rear portion of the outlet 17 of fertile pipe 8, fertilizer is covered, realize collection earthen backfill.
As shown in Fig. 1,2 and Fig. 4, being between the described latch closure 9 of the native case 3 of collection and the annular groove 15 of fixed mount 10 can be certainly
Connected by the pine rotated, the in the vertical direction of collection soil case 3 is fixed but can be around annular groove 15 in certain angular range
It is interior freely to rotate；The rotation for collecting native case 3 is to be rotated automatically with groove, and power is from trenched side-wall soil to both sides earth-retaining tailgate 18
Stir；During ditching operation, due to the change for route of ditching, the effect that earth-retaining tailgate 18 is stirred by trenched side-wall, collect native case 3
On chute 14 and soil-unloading port 13 direction with groove adjust automatically, accurately fall into groove to collect the soil in native case 3.
As shown in figure 1, the described rotating speed of hydraulic motor 1 is adjustable, so as to control the trench digging of vertical helical ditching knife 5 and carry soil
Efficiency.
Further illustrate a kind of operation principle of orchard spiral ditching-fertilizing device of the present invention：
When the spiral ditching-fertilizing device carries out fertilising operation under the control of other adjusting meanss, vertical helical ditching knife,
Breast boards and fertilising pipe are submerged below earth's surface, fluid motor-driven vertical helical ditching knife rotary operation, vertical helical ditching knife
The breast boards at rear surrounds by the effect of blocking and with the anterior trench digging profile formation formed of vertical helical ditching knife, makes vertical spiral
The periphery of rotation ditching knife forms cylindric closed area, coordinates vertical helical ditching knife that the soil for cutting, smashing is promoted into collection
In native case, ground forms groove after operation, and fertilizer in the fertilising pipe of fixation, applies fertilizer under pipe after fertilizer mechanism is transported to breast boards
The outlet of side imposes on fertilizer in groove.In device ditching-fertilizing operation process, collect native case by trench wall soil to both sides earth-retaining
It the effect that tailgate is stirred, can automatically be rotated with groove, collect the direction of chute on native case and soil-unloading port with groove adjust automatically, soil
Earth after soil-unloading port under drop down onto in groove apply fertilizer pipe outlet rear portion, the fertilizer covered in groove, realize ditching-fertilizing and
The synchronization job of earthing.
Claims (6)
- A kind of 1. spiral ditching-fertilizing device, it is characterised in that fixed mount（10）Upper end is fixed with hydraulic motor（1）, hydraulic pressure Motor（1）Pass through shaft coupling（2）With vertical helical ditching knife（5）Cutter shaft（11）Connection；Fixed mount（10）Lower end installation rolls Bearing（12）, cutter shaft（11）With rolling bearing（12）Inner ring coordinates, vertical spiral ditching knife（5）Fixed vertically；It is fixed Frame（10）Lower section is provided with the native case of collection（3）, collect native case（3）For circle peviform structure, the latch closure that its top edge is fixed（9）It is enclosed on solid Determine frame（10）The annular groove of bottom（15）On, latch closure（9）Can be around annular groove（15）Rotate；Collect native case（3）Basin bottom center down Concentric affixed one section of spiral-tube（19）, vertical helical ditching knife（5）Through the native case of collection（3）And spiral-tube（19）And kept with them With one heart；Vertical helical ditching knife（5）Helical blade top at least stretch out the native case of collection（3）Basin bottom；Spiral-tube（19）Behind bottom Side is fixed with breast boards（6）, breast boards（6）Positioned at vertical helical ditching knife（5）Rear, breast boards（6）It is and vertical for arcuate structure Formula spiral ditching knife（5）Formed and surrounded with one heart, spiral ditching knife（5）Lower end at least exceed breast boards（6）Lower end；Collect native case （3）Upper rear portion is provided with soil-unloading port（13）, itself and breast boards（6）Between set two stiffeners（7）, breast boards（6）Rear is vertical Placement fertilising pipe（8）, positioned at two stiffeners（7）Between.
- A kind of 2. spiral ditching-fertilizing device according to claim 1, it is characterised in that described spiral-tube（19）Before Square lower edge is provided with scraper blade（4）, scraper blade during work（4）Earth's surface is pasted to advance.
- A kind of 3. spiral ditching-fertilizing device according to claim 1, it is characterised in that described breast boards（6）Two Earth-retaining tailgate is fixed with after lateral（18）, breast boards（6）Submerged during work below earth's surface, pass through the effect of blocking and and vertical helical Ditching knife（5）The trench digging profile that front portion is formed, which is formed, to surround, and makes vertical helical ditching knife（5）Periphery form cylindric enclosed area Domain, coordinate vertical helical ditching knife（5）The soil for cutting, smashing is promoted to the native case of collection（3）In, ground forms ditch after operation Groove；Breast boards（6）The fertilising pipe at rear（8）Synchronous fertilizer is in groove；Fertilising pipe（8）Entrance（16）With receptacle, fertilizer Mechanism connects.
- A kind of 4. spiral ditching-fertilizing device according to claim 1, it is characterised in that described collection soil case（3）Case Body bottom is provided with chute backward（14）, chute（14）Be downwardly inclined and and soil-unloading port（13）Connect, guiding set soil case（3）In soil Earth is to soil-unloading port（13）Motion, soil is through soil-unloading port（13）Drop down onto the pipe that applied fertilizer in groove down afterwards（8）Outlet（17）Rear portion, it is real Now collect earthen backfill.
- A kind of 5. spiral ditching-fertilizing device according to claim 1, it is characterised in that described collection soil case（3）'s Latch closure（9）With fixed mount（10）Annular groove（15）Between be can freely rotate pine connection, make collection soil case（3）In vertical side It is fixed but can be around annular groove upwards（15）Freely rotated in certain angular range；Collect native case（3）Rotation be from Dynamic to be rotated with groove, power is from trenched side-wall soil to both sides earth-retaining tailgate（18）Stir；During trench digging, collect native case（3）On Chute（14）And soil-unloading port（13）Direction with groove adjust automatically.
- A kind of 6. spiral ditching-fertilizing device according to claim 1, it is characterised in that described hydraulic motor（1） Rotating speed is adjustable, so as to control vertical helical ditching knife（5）Trench digging and put forward native efficiency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099638.5A CN107690888B (en) | 2017-11-09 | 2017-11-09 | Spiral ditching and fertilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099638.5A CN107690888B (en) | 2017-11-09 | 2017-11-09 | Spiral ditching and fertilizing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107690888A true CN107690888A (en) | 2018-02-16 |
| CN107690888B CN107690888B (en) | 2024-02-06 |
Family
ID=61179015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711099638.5A Active CN107690888B (en) | 2017-11-09 | 2017-11-09 | Spiral ditching and fertilizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107690888B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5765966A (en) * | 1996-10-01 | 1998-06-16 | White; Thomas B. | Sub-surface trenching and backfill apparatus |
| CN104206074A (en) * | 2014-08-28 | 2014-12-17 | 甘肃农业大学 | Direct-insertion type potato seeding and soil covering mechanism |
| CN107114208A (en) * | 2017-07-01 | 2017-09-01 | 王兴民 | A kind of efficient sapling planting unit |
| CN206575822U (en) * | 2017-03-08 | 2017-10-24 | 塔里木大学 | The spiral organic fertilizer applicator of Cold region apple jujube garden |
| CN207543555U (en) * | 2017-11-09 | 2018-06-29 | 西北农林科技大学 | A kind of spiral ditching-fertilizing device |
-
2017
- 2017-11-09 CN CN201711099638.5A patent/CN107690888B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5765966A (en) * | 1996-10-01 | 1998-06-16 | White; Thomas B. | Sub-surface trenching and backfill apparatus |
| CN104206074A (en) * | 2014-08-28 | 2014-12-17 | 甘肃农业大学 | Direct-insertion type potato seeding and soil covering mechanism |
| CN206575822U (en) * | 2017-03-08 | 2017-10-24 | 塔里木大学 | The spiral organic fertilizer applicator of Cold region apple jujube garden |
| CN107114208A (en) * | 2017-07-01 | 2017-09-01 | 王兴民 | A kind of efficient sapling planting unit |
| CN207543555U (en) * | 2017-11-09 | 2018-06-29 | 西北农林科技大学 | A kind of spiral ditching-fertilizing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107690888B (en) | 2024-02-06 |
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