CN109673250A - A kind of fertilising chopper - Google Patents
A kind of fertilising chopper Download PDFInfo
- Publication number
- CN109673250A CN109673250A CN201910123311.XA CN201910123311A CN109673250A CN 109673250 A CN109673250 A CN 109673250A CN 201910123311 A CN201910123311 A CN 201910123311A CN 109673250 A CN109673250 A CN 109673250A
- Authority
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- China
- Prior art keywords
- wall
- feed pipe
- fertilising
- rack
- connecting shaft
- 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.)
- Pending
Links
- 239000002689 soil Substances 0.000 claims abstract description 35
- 244000309464 bull Species 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims 2
- 238000005520 cutting process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000003337 fertilizer Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000004720 fertilization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/08—Mowers combined with apparatus performing additional operations while mowing with means for cutting up the mown crop, e.g. forage harvesters
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/12—Mowers combined with apparatus performing additional operations while mowing with soil-working implements, e.g. ploughs
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/14—Mowers combined with apparatus performing additional operations while mowing with dispensing apparatus, e.g. for fertilisers, herbicides or preservatives
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses a kind of fertilising choppers, including rack, the front of the rack is equipped with connecting shaft by dismountable mode, several crushing knifes have been removably installed on the outer wall of connecting shaft, power part is installed in rack, power part is the powered rotation of connecting shaft, the rear portion of rack is equipped with the fertilizing integrated device that loosens the soil, the fertilizing integrated device that loosens the soil includes accommodating bucket, feed pipe and the cutter head that plows, feed pipe is mounted in receiving bucket, the feeding passage being arranged along feed pipe axis is equipped in feed pipe, the cutter head that plows is mounted on the outer wall of feed pipe, the upper end of feeding passage extends into receiving bucket, the lower end of feeding passage is lower than the upper end for the cutter head that plows.The present invention passes through the cooperation of connecting shaft and crushing knife, carries out cutting operation to stalk, and be provided with the fertilizing integrated device that loosens the soil, returning to the field can be carried out to soil on the basis of cutting operation, loosened the soil and fertilising operation, the effect number of soil can be effectively reduced, whole energy consumption is reduced, saves cost.
Description
Technical field
The present invention relates to returning to the field apparatus fields, particularly relate to a kind of fertilising chopper.
Background technique
With quickly propelling for agriculture large-scale planting, the development of length has been made in agricultural machinery.In agricultural machinery,
Chopper is a kind of important agricultural machinery, mainly carries out harmless treatment to stalk.Applicants have discovered that chopper makes
It has the following problems: that chopper has a single function during, only has crushing function, operator also needs to loosen the soil, apply
The operations such as fertilizer, energy consumption with higher, high production cost.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of fertilising chopper, to be dedicated to solving in background technique
Whole issue or one of.
Based on a kind of above-mentioned purpose fertilising chopper provided by the invention, including rack, the front of the rack passes through can
The mode of disassembly is equipped with connecting shaft, has been removably installed several crushing knifes on the outer wall of the connecting shaft, in the rack
Power part is installed, the power part is the powered rotation of connecting shaft, and the rear portion of the rack is equipped with fertilising one of loosening the soil
Body device, the fertilizing integrated device that loosens the soil include accommodating bucket, feed pipe and the cutter head that plows, and the feed pipe is mounted on receiving bucket
It is interior, the feeding passage being arranged along feed pipe axis is equipped in the feed pipe, the cutter head that plows is mounted on the outer wall of feed pipe
On, the upper end of the feeding passage extends into receiving bucket, and the lower end of the feeding passage is lower than the upper end for the cutter head that plows
Portion.
In some optional embodiments, the lower end of the feeding passage is in the side for the cutter head that plows,
In some optional embodiments, control valve is installed on the feed pipe.
In some optional embodiments, vibrating motor is installed on the outer wall for accommodating bucket.
In some optional embodiments, the lower part for accommodating bucket is equipped with casing, and the upper end of described sleeve pipe extends into appearance
It receives in bucket, the outer wall of described sleeve pipe is equipped with side feed inlet, and the feed pipe is mounted on the inner wall of casing, and can be sliding along casing
It is dynamic, be set with spring on the outer wall of the feed pipe, one end of the spring is fixed on the lower end of casing, the spring it is another
One end is fixed on the outer wall of feed pipe, is equipped with first motor, the output of the first motor on the outer wall for accommodating bucket
Bull stick is installed, the end of the bull stick is equipped with connecting rod by hinged mode, passes through on the outer wall for accommodating bucket on axis
The mode of bearing connection is equipped with rotation axis, and the mode being connected by key on the outer wall of the rotation axis is equipped with collection line wheel and pendulum
The end of lever, the oscillating rod is connected by hinged mode with connecting rod, is wrapped with drawstring on the outer wall of the collection line wheel,
The other end of the drawstring is fixed on feed pipe.
In some optional embodiments, the upper end of the feed pipe is equipped with tapered portion.
In some optional embodiments, the cutter head that plows is curved shape from bottom to up.
In some optional embodiments, the one end of the rack is equipped with first bearing, the other end peace of the rack
Equipped with second bearing, sleeve, the side that one end of the connecting shaft is connected by spline are installed on the inner wall of the first bearing
Formula is mounted on the inner wall of sleeve, and the other end of the connecting shaft is mounted on the inner wall of second bearing, the outer wall of the sleeve
On spline connect by way of driven wheel is installed, the driven wheel is connected with the output section of power part.
In some optional embodiments, the power part includes the second motor and driving wheel, and second motor is mounted on
In rack, the mode that the driving wheel is connected by key is mounted on the output shaft of the second motor, and the driving wheel is connecting shaft
Powered rotation.
The utility model has the advantages that
The present invention passes through the cooperation of connecting shaft and crushing knife, carries out cutting operation to stalk, and be provided with fertilising one of loosening the soil
Body device can carry out returning to the field to soil on the basis of cutting operation, loosen the soil and fertilising operation, can effectively reduce the effect of soil
Number reduces whole energy consumption, saves cost.
Detailed description of the invention
Fig. 1 is the schematic diagram of fertilising chopper of the embodiment of the present invention；
Fig. 2 is the schematic diagram of feed pipe one embodiment of the present invention；
Fig. 3 is the schematic diagram of another embodiment of feed pipe of the present invention；
Fig. 4 is the schematic diagram that the embodiment of the present invention accommodates bucket；
Fig. 5 is the schematic diagram of feed pipe of the embodiment of the present invention；
Fig. 6 is the schematic diagram of power part of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
As one embodiment, the present invention provides a kind of fertilising chopper, including rack, and the front of the rack passes through can
The mode of disassembly is equipped with connecting shaft, and several crushing knifes have been removably installed on the outer wall of connecting shaft, have been equipped in rack dynamic
Power portion, power part are the powered rotation of connecting shaft, and the rear portion of rack is equipped with the fertilizing integrated device that loosens the soil, fertilising one of loosening the soil
Body device includes accommodating bucket, feed pipe and the cutter head that plows, and feed pipe is mounted in receiving bucket, is equipped in feed pipe along feed pipe axis
The feeding passage of line setting, the cutter head that plows are mounted on the outer wall of feed pipe, and the upper end of feeding passage extends into receiving bucket,
The lower end of feeding passage is lower than the upper end for the cutter head that plows.
As shown in Figure 1 to Figure 2, as an embodiment of the present invention, a kind of fertilising chopper, including rack 1, rack 1
It is connected with vehicle, the front of the rack 1 is equipped with connecting shaft 2 by dismountable mode, removable on the outer wall of connecting shaft 2
Several crushing knifes 3 are installed with unloading, using design for disassembly, facilitate maintenance of the operator to fertilising chopper.Pacify in rack 1
Equipped with power part, power part is the powered rotation of connecting shaft 2, and the rotation of connecting shaft 2 drives crushing knife 3 to rotate, to realize
Crushing to stalk.The rear portion of rack 1 is equipped with the fertilizing integrated device that loosens the soil, and the fertilizing integrated device that loosens the soil includes accommodating bucket 4, sending
Expects pipe 6 and the cutter head 7 that plows accommodate bucket 4 and are used to store fertilizer, and feed pipe 6 is mounted in receiving bucket 4, and edge is equipped in feed pipe 6 and is sent
The feeding passage 6a of 6 axis of expects pipe setting, the cutter head 7 that plows are mounted on the outer wall of feed pipe 6, and the upper end of feeding passage 6a is prolonged
It protrudes into receiving bucket 4, the lower end of feeding passage 6a is lower than the upper end for the cutter head 7 that plows.In use, the cutter head 7 that plows is inserted into soil
Earth, as the vehicle moves, the cutter head 7 that plows carries out operation of digging to soil, while fertilizer falls to along feeding passage 6a and climbs over
In soil, the returning to the field to soil realized, loosened the soil and fertilising operation, can effectively reduce the effect number of soil, reduce whole energy
Consumption saves cost.
As shown in Figure 2 to Figure 3, in the embodiment of the present application, the lower end of feeding passage 6a can be located at the upper of cutter head 7 of plowing
End any position below, the lower end that feeding passage 6a is such as arranged in can be located at middle and lower part or the feeding for the cutter head 7 that plows
The lower end of channel 6a is preferably the lower end of feeding passage 6a in the side for the cutter head 7 that plows in this application
In the side for the cutter head 7 that plows, under this state, when plow cutter head 7 to soil dig operation when, the cutter head 7 that plows is by soil
Top cut, the soil on top is along the flowing of the upper surface for the cutter head 7 that plows, after fertiliser granulates fall to soil, the soil on top
Rolling covers fertiliser granulates, solid fertilizer exposure is avoided in air, to realize efficient fertilising.
As shown in Fig. 2, in order to solve the transportation problem of liquid fertilizer, being equipped on feed pipe 6 in an alternative embodiment
Control valve 8 accommodates and is equipped with vibrating motor 9 on the outer wall of bucket 4.In this application, mechanical control valve 8 can be used in control valve 8
Or Electronic control valves 8, it is controlled for the flow to fertilizer；When liquid fertilizer flows into feed pipe 6 from receiving bucket 4,
Vibrating motor 9 can increase the mobility of liquid fertilizer, and the transmission for keeping the liquid fertilizer in feed pipe 6 stable ensure that liquid
The fertilization effect of body fertilizer.
As shown in figure 4, in order to solve the transportation problem of solid fertilizer particle, being accommodated under bucket 4 in an alternative embodiment
Portion is equipped with casing 10, and the upper end of casing 10 extends into receiving bucket 4, and the outer wall of casing 10 is equipped with side feed inlet 10a, fertilizer
Material particle enters in feed pipe 6 from side feed inlet.Feed pipe 6 is mounted on the inner wall of casing 10, and can slide along casing 10,
Spring 11 is set on the outer wall of feed pipe 6, one end of spring 11 is fixed on the lower end of casing 10, and the other end of spring 11 is solid
It is scheduled on the outer wall of feed pipe 6, the elastic force of spring 11 makes feed pipe 6 be maintained at certain relative altitude, is the reciprocal of feed pipe 6
Offer condition is provided；It accommodates and first motor 12 is installed on the outer wall of bucket 4, bull stick is installed on the output shaft of first motor 12
13, the end of bull stick 13 is equipped with connecting rod 14 by hinged mode, accommodates and pacifies in such a way that bearing connects on the outer wall of bucket 4
Equipped with rotation axis 15, the mode being connected by key on the outer wall of rotation axis 15 is equipped with collection line wheel 16 and oscillating rod 17, oscillating rod
17 end is connected by hinged mode with connecting rod 14, and wherein bull stick 13, connecting rod 14 combine formation one with oscillating rod 17
Crank and rocker mechanism provides the power of reciprocating motion for rotation axis 15, collects and is wrapped with drawstring 18, drawstring 18 on the outer wall of line wheel 16
The other end be fixed on feed pipe 6, when first motor 12 works, the output shaft of first motor 12 drives bull stick 13 to rotate, and turns
Bar 13 drives connecting rod 14 to rotate, and connecting rod 14 drives oscillating rod 17 to rotate, and oscillating rod 17 drives 15 reciprocating rotary of rotation axis, rotation axis
15 drive collection line wheel 16 to rotate, and collection line wheel 16 drives 18 folding and unfolding of drawstring mobile, and drawstring 18 drives feed pipe 6 to move back and forth, feeding
Pipe 6 drives fertiliser granulates mobile, realizes fertilising operation, ensure that the fertilization effect of fertiliser granulates in reciprocating movement.
As shown in Figure 5, it is preferred that the upper end of the feed pipe 6 is equipped with tapered portion, in feed pipe 6 needs to move back and forth,
Tapered portion is conducive to extra fertiliser granulates discharge.
Preferably, plowing cutter head 7 from bottom to up is curved shape, is conducive to the flowing of soil.
As shown in fig. 6, in an alternative embodiment, the one end of rack 1 is equipped with first bearing 19, rack 1 it is another
End is equipped with second bearing 20, and sleeve 21 is equipped on the inner wall of first bearing 19, what one end of connecting shaft 2 was connected by spline
Mode is mounted on the inner wall of sleeve 21, and the other end of connecting shaft 2 is mounted on the inner wall of second bearing 20, the outer wall of sleeve 21
On spline connect by way of driven wheel 22 is installed, driven wheel 22 is connected with the output section of power part.It is driven when assembly
The rotation of 22 stress is taken turns, driven wheel 22 is rotated with moving sleeve 21, and sleeve 21 drives connecting shaft 2 to rotate, and the rotation for crushing knife 3 provides
Power.
In an alternative embodiment, power part includes that the second motor 23 and driving wheel 5, the second motor 23 are mounted on rack 1
On, the mode that driving wheel 5 is connected by key is mounted on the output shaft of the second motor 23, and driving wheel 5 is that the rotation of connecting shaft 2 mentions
For power.Wherein driving wheel 5 is connected by way of V belt translation with driven wheel 22.
Specifically, when the work of fertilising chopper, the output shaft of the work of the second motor 23, the second motor 23 drives driving wheel
5 rotations, driving wheel 5 drive driven wheel 22 to rotate, and driven wheel 22 is rotated with moving sleeve 21, and sleeve 21 drives connecting shaft 2 to rotate, even
Spindle 2 drives crushing knife 3 to rotate, and to the returning to the field operation that arable land carries out, while first motor 12 works, the output of first motor 12
Axis drives bull stick 13 to rotate, and bull stick 13 drives connecting rod 14 to rotate, and connecting rod 14 drives oscillating rod 17 to rotate, and oscillating rod 17 drives rotation
15 reciprocating rotary of axis, rotation axis 15 drive collection line wheel 16 to rotate, and collection line wheel 16 drives 18 folding and unfolding of drawstring mobile, and the drive of drawstring 18 is sent
Expects pipe 6 moves back and forth, and feed pipe 6 drives fertiliser granulates mobile, realize fertilising operation in reciprocating movement.
For overview, the present invention passes through the cooperation of connecting shaft 2 and crushing knife 3, carries out cutting operation to stalk, and be provided with
Loosen the soil fertilizing integrated device, can carry out returning to the field to soil on the basis of cutting operation, loosen the soil and fertilising operation, can effectively reduce
The effect number of soil reduces whole energy consumption, saves cost.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.
The embodiment of the present invention be intended to cover fall into all such replacements within the broad range of appended claims,
Modifications and variations.Therefore, all within the spirits and principles of the present invention, any omission, modification, equivalent replacement, the improvement made
Deng should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of fertilising chopper, which is characterized in that including rack, the front of the rack is equipped with by dismountable mode
Connecting shaft has been removably installed several crushing knifes on the outer wall of the connecting shaft, power part is equipped in the rack, described
Power part is the powered rotation of connecting shaft, and the rear portion of the rack is equipped with the fertilizing integrated device that loosens the soil, and described loosen the soil is applied
Fertile integrated device includes accommodating bucket, feed pipe and the cutter head that plows, and the feed pipe is mounted in receiving bucket, sets in the feed pipe
There is the feeding passage along the setting of feed pipe axis, the cutter head that plows is mounted on the outer wall of feed pipe, the feeding passage
Upper end extends into receiving bucket, and the lower end of the feeding passage is lower than the upper end for the cutter head that plows.
2. fertilising chopper according to claim 1, which is characterized in that the lower end of the feeding passage is in the knife that plows
The side of head.
3. fertilising chopper according to claim 1, which is characterized in that be equipped with control valve on the feed pipe.
4. fertilising chopper according to claim 1, which is characterized in that be equipped with vibration electricity on the outer wall for accommodating bucket
Machine.
5. fertilising chopper according to claim 1, which is characterized in that the lower part for accommodating bucket is equipped with casing, described
The upper end of casing extends into receiving bucket, and the outer wall of described sleeve pipe is equipped with side feed inlet, and the feed pipe is mounted on set
The inner wall of pipe, and spring can be set on cannula slide, the outer wall of the feed pipe, one end of the spring is fixed on casing
Lower end, the other end of the spring is fixed on the outer wall of feed pipe, and the first electricity is equipped on the outer wall for accommodating bucket
Machine is equipped with bull stick on the output shaft of the first motor, and the end of the bull stick is equipped with connecting rod by hinged mode, institute
It states and rotation axis is installed in such a way that bearing connects on the outer wall for accommodating bucket, be connected by key on the outer wall of the rotation axis
Mode is equipped with collection line wheel and oscillating rod, the end of the oscillating rod are connected by hinged mode with connecting rod, the line concentration
Drawstring is wrapped on the outer wall of wheel, the other end of the drawstring is fixed on feed pipe.
6. fertilising chopper according to claim 5, which is characterized in that the upper end of the feed pipe is equipped with tapered portion.
7. fertilising chopper according to claim 5, which is characterized in that the cutter head that plows is Curved from bottom to up
Shape.
8. fertilising chopper according to claim 1, which is characterized in that the one end of the rack is equipped with first axle
It holding, the other end of the rack is equipped with second bearing, sleeve is installed on the inner wall of the first bearing, the connecting shaft
On the inner wall that one end is mounted on sleeve in such a way that spline connects, the other end of the connecting shaft is mounted on the interior of second bearing
On wall, driven wheel, the output of the driven wheel and power part are installed in such a way that spline connects on the outer wall of the sleeve
Portion is connected.
9. fertilising chopper according to claim 1, which is characterized in that the power part includes the second motor and active
Wheel, second motor are mounted on the rack, and the mode that the driving wheel is connected by key is mounted on the output shaft of the second motor
On, the driving wheel is the powered rotation of connecting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910123311.XA CN109673250A (en) | 2019-02-18 | 2019-02-18 | A kind of fertilising chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910123311.XA CN109673250A (en) | 2019-02-18 | 2019-02-18 | A kind of fertilising chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109673250A true CN109673250A (en) | 2019-04-26 |
Family
ID=66195917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910123311.XA Pending CN109673250A (en) | 2019-02-18 | 2019-02-18 | A kind of fertilising chopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109673250A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105917773A (en) * | 2016-05-24 | 2016-09-07 | 农业部南京农业机械化研究所 | Soil loosening, hoeing and fertilizer applying machine for orchard |
| CN105966938A (en) * | 2016-06-26 | 2016-09-28 | 应金宝 | A mechanism for conveying by utilizing piston and method for mechanism |
| CN106508222A (en) * | 2016-11-03 | 2017-03-22 | 四川华胜农业股份有限公司 | Intertillage fertilizing machine |
| CN108207142A (en) * | 2017-12-19 | 2018-06-29 | 潍坊友容实业有限公司 | Alkaline land soil improvement layer by layer manuring machine |
| CN209659969U (en) * | 2019-02-18 | 2019-11-22 | 安徽省阜阳市盛大机械有限公司 | A kind of fertilising chopper |
-
2019
- 2019-02-18 CN CN201910123311.XA patent/CN109673250A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105917773A (en) * | 2016-05-24 | 2016-09-07 | 农业部南京农业机械化研究所 | Soil loosening, hoeing and fertilizer applying machine for orchard |
| CN105966938A (en) * | 2016-06-26 | 2016-09-28 | 应金宝 | A mechanism for conveying by utilizing piston and method for mechanism |
| CN106508222A (en) * | 2016-11-03 | 2017-03-22 | 四川华胜农业股份有限公司 | Intertillage fertilizing machine |
| CN108207142A (en) * | 2017-12-19 | 2018-06-29 | 潍坊友容实业有限公司 | Alkaline land soil improvement layer by layer manuring machine |
| CN209659969U (en) * | 2019-02-18 | 2019-11-22 | 安徽省阜阳市盛大机械有限公司 | A kind of fertilising chopper |
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