CN203661545U - Wheat no-tillage planter suitable for full straw mulched ground operation - Google Patents

Wheat no-tillage planter suitable for full straw mulched ground operation Download PDF

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Publication number
CN203661545U
CN203661545U CN201320855580.3U CN201320855580U CN203661545U CN 203661545 U CN203661545 U CN 203661545U CN 201320855580 U CN201320855580 U CN 201320855580U CN 203661545 U CN203661545 U CN 203661545U
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China
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wheat
straw
screw feeder
configuration
full
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CN201320855580.3U
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Chinese (zh)
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胡志超
吴峰
顾峰玮
陈有庆
王伯凯
王公仆
张会娟
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Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
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Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
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Abstract

The utility model relates to a wheat seeding machine in the agricultural machinery and provides a wheat no-tillage planter suitable for full straw mulched ground operation. The wheat no-tillage planter is connected with a transverse width box type straw smashing and cleaning machine through a power output shaft (16) of a tractor, and the rear of the wheat no-tillage planter is transversely provided with a shallow rotary mechanism (6). The front half portion of a half-round case (6c) of the shallow rotary mechanism (6) is provided with an arc cover plate, and the rear half portion is provided with a railing cover formed by a plurality of arc bars. A combined wheat seed and fertilizer drill arranged at the rear portion is of an integrated type. A front three-point suspension (15) is adopted for being connected with the tractor (1), and a rear three-point suspension (13) is connected with the combined wheat seed and fertilizer drill. The left side and the right side of the straw smashing and cleaning machine are provided with depth rollers (17) respectively. The wheat no-tillage planter can finish the operation steps of straw smashing and clearing, shallow rotating, fertilizing, seeding, straw mulching after seeding and the like at a time, the number of times for the planter to go to the fields can be reduced, the operation cost is lowered, and mechanical seeding of narrow line-width crops such as wheat on the full straw mulched ground of corn, rice and the like can be achieved.

Description

A kind of wheat no-tillage planter that is suitable for full straw covering plot operation
Technical field
The utility model relates to the sower in agricultural machinery, specifically relates to the Work machine of stubble corn before being applicable to, paddy rice, the rear sowing of cotton crop results wheat.
Background technology
China's corn-wheat, paddy rice-wheat, cotton-wheat crop rotation district, after preceding crop corn, paddy rice, cotton harvesting, need sowing in time wheat, because field after mechanized harvest has retained a large amount of corns, paddy rice, cotton stalk, bring larger difficulty to lower batch of wheat Mechanization sowing, subject matter comprises as follows:
1. after preceding crop results, field straw overlay capacity is large, and wheat planting line-spacing is narrow, and line-spacing is greatly about 15-20cm conventionally, and when Mechanization sowing operation, the residual stalk in field very easily causes seed-furrow opener extension grass to stop up stifled.
2. after corn, paddy rice, cotton harvesting, if directly carry out the operation of wheat no-tillage seeding, owing to not carrying out rotary tillage soil-working, surface soil comparatively hardens, backflow is poor, and after no-tillage seeding machine operation, the seed after broadcasting is difficult to cover tight, and seed phenomenon occurs drying in the air.
3. due to reasons such as corn, cotton Ridged plant or harvesting equipment roll, cause field injustice after corn, paddy rice, cotton harvesting, when wheat no-tillage planter operation, be prone to the seed phenomenon of drying in the air.
At present, after corn, paddy rice, cotton harvesting, sowing wheat main technical flows is: mechanized harvest → and manually by stalk cleaning or straw chopping and returning → rotary tillage (the general rotary tillage of paddy field is more than twice) → Mechanization sowing.Visible, Mechanization sowing wheat after current corn, paddy rice, cotton harvesting, must first process stalk, and then rotary tillage, seeding operation, otherwise very easily cause seed-furrow opener hang grass stop up stifled, and under facility often, require great effort time-consuming, operating cost is high.
Prior art has the machinery that two classes are more close, the rotary tillage sowing machine that the first is traditional, by tractor-drawn rotovator and sower, the method extensively adopts at Jiangsu one band, but the defect of this technology is to need manually stalk to be cleared up or straw chopping and returning before rotary tillage, sowing, requires great effort, time-consuming cost of labor is too high.
Another kind of machinery is the broken straw of one of the patent No. 201220535075.6, clear straw, fertilising, sowing, cover the multi-functional unit of straw, notification number CN202941107U, but this machinery is only applicable to the operation of general land for growing field crops, provide can overcome crushing straw time workpiece stressed bad, the problem that fault is more, and to the broken straw of the one that can cover in time after field ferti-seeding, clear straw, fertilising, sowing, cover the multi-functional unit of straw, this machinery is also not suitable for preceding crop corn, paddy rice, after cotton harvesting, sow the operation of wheat, rear two problems of aforementioned three defects still exist, sowing effect is bad.So far both at home and abroad this area there is no suitable agricultural machinery prodigiosin and processes pointedly, overcomes the above problems.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, provides a kind of being suitable for to carry out at full straw covering plot the machinery that wheat can no-tillage seeding.
The purpose of this utility model is realized by following technical scheme.
A wheat no-tillage planter that is suitable for full straw covering plot operation, is characterized in that: certainly go to rear following configuration:
Connected the swivel knife shaft of the clear straw machine of horizontal wide cut box-type crushed stalk by tractor motive power output shaft, on cutter shaft, configure many broken straw cuttves, many broken straw cuttves are arranged on cutter shaft in helix mode, the rear of broken straw cutter is a horizontal screw feeder, the output configuration blower fan of horizontal screw feeder, delivers to wheat fertilizing sower top by the road backward;
It is suitable with the width of described wheat fertilizing sower on width that described stalk throws the stalk scope that device sheds out;
Configure horizontal Qian Xuan mechanism at the rear of described horizontal screw feeder, described Qian Xuan mechanism is:
In horizontal major axis periphery, the fixing Rotary tillage blade of arranging in a spiral manner, the circular diameter that described Rotary tillage blade rotation forms is 25---35cm, and rotating speed is 600---800rpm, and be reverse rotation, by in front haulage, described Rotary tillage blade from lower to upper, rotates from front to back, covers the case of semicircular in shape above Rotary tillage blade, the first half of case is circular arc cover plate, and latter half is the grid lid that some circular arc bars form;
At the rear of described Qian Xuan mechanism configuration wheat fertilizing sower, described wheat fertilizing sower is integral type structure;
Trifilar suspension is connected with described tractor before the clear straw machine of described crushed stalk, and the later trifilar suspension of the clear straw machine of described crushed stalk is connected with described rear wheat fertilizing sower, and the upper connecting rod of rear trifilar suspension is the structure of the adjustable and shock-absorbing of length;
The left and right sides at the clear straw machine of described crushed stalk configures respectively gauge wheel;
Described tractor motive power output shaft provides power for cutter shaft, horizontal screw feeder and Qian Xuan mechanism.
Adopt the technical program, broken straw cutter High Rotation Speed, impact stalk upright or lodging, in casing due to the clear straw machine of crushed stalk, configure blower fan, feeding mouth place at straw forms negative pressure, under the effect of negative pressure, straw is inhaled in casing casing, and contact and sheared with the tooth of determining in casing, hammering, be transported to blower fan place by air-flow and screw feeder again, " deliver to backward by the road ferti-seeding all-in-one top, the stalk that the port of export configuration of pipeline has adjustable stalk deflector throws mouth ", the pure straw of dishing out just intactly covered backward just complete the Wheat Species of fertilising and sowing capable on,
For complete machine mechanism head, affected by earth's surface out-of-flatness, facility operating personnel are difficult to accurately control wheat no-tillage planter height by hydraulic lifting mechanism, affect facility operating efficiency and manipulation convenience, therefore dispose gauge wheel in full straw covered land wheat furrow free sowing machine front end both sides, can make complete machine possess to a certain extent automatic profiling depth stop function, significantly reduce facility operating personnel operation easier, improve operating efficiency.
In order to reach the purpose of this utility model and effect, adopt the Qian Xuan mechanism of specific (special) requirements, the structure of described rotary blade and rotation mode, the special construction of case is all for solving and overcoming existing defect and particular design.Because it is limited that crushed stalk cleaning plant throws distance, so need to compress complete machine length as far as possible, therefore while configuring Qian Xuan mechanism between crushed stalk cleaning plant and ferti-seeding mechanism, require Qian Xuan mechanism tactical diameter as far as possible little, and in order to guarantee shallow swirl effect, need improve as far as possible the shallow cutter rotary speed of revolving, design Qian Xuan mechanism tactical diameter is 25---35cm, and rotating speed is 600---800rpm; In order to improve breaking effect, the shallow mechanism design of revolving is for reverse rotation.
Dilatory connection as agricultural machinery adopts leg-of-mutton trifilar suspension mode conventionally, lay special stress on and restriction in the technical program, " after the clear straw machine of described crushed stalk, trifilar suspension is connected with described ferti-seeding all-in-one, the upper connecting rod of rear trifilar suspension is the structure of the adjustable and shock-absorbing of length ", because tractor is not directly to draw ferti-seeding all-in-one to carry out operation, but between tractor and ferti-seeding all-in-one, connect the clear straw machine of crushed stalk, if therefore simply adopt traditional trifilar suspension mode usually can cause sowing malposition, inaccurate and affect seeding quality, so that affect the growth in later stage, management, therefore, after must adopting, the upper connecting rod of trifilar suspension is the structure of the adjustable and shock-absorbing of length, ignore this technical characterictic, can affect the even success or failure of implementation quality of the technical program.
After above farmland operation is processed, then adopt ripe wheat fertilizing seeding integrated machine can complete satisfactorily the utility model object.
The utility model relates to the full straw covered land wheat furrow free sowing machine of one in agricultural machinery, and described combined seed and fertilizer drill is integrated machine; Between tractor and combined seed and fertilizer drill, connect the crushed stalk cleaning plant that is power by tractor motive power output shaft; In crushed stalk cleaning plant, horizontally rotating on cutter shaft radial arrangement many is screw feeder broken straw cutter at the rear of broken straw cutter, output configuration blower fan, and the stalk of delivering to backward by the road ferti-seeding all-in-one top throws mouth, the rear configuration rotary tillage mechanism of screw feeder.The utility model can disposablely complete crushed stalk cleaning, shallowly revolve, applies fertilizer, sows, broadcasts the flow charts such as rear stalk covering, reduce under facility number of times, reduce operating cost, be particularly useful for the narrow rows such as the full straw covering plot Mechanization sowing wheat such as corn, paddy rice, cotton apart from crop.Also the utility model sowing mechanism can be changed, for the multiple Dry crop sowing such as peanut, soybean.
Further, between described horizontal screw feeder and Qian Xuan mechanism, pressing roller is set.In order to carry out better the shallow operation of revolving, through repetition test, to add pressing roller and can play depth stop and suppression double action, the mode of adding pressing roller can improve operation quality.
Further, described tractor motive power output shaft is connected transmission with cutter shaft, horizontal screw feeder and Qian Xuan mechanism by the belt that is positioned at device one side successively with belt pulley, and the configuration of this structure is convenient, is also convenient to maintenance, safeguards.
Further, described tractor motive power output shaft sends cutter shaft, horizontal screw feeder and Qian Xuan mechanism to successively by the multiple-speed gear-box rod member being positioned in the middle of device, and this structure driven is reliable.
Further, described broken straw cutter is rectangular metal lath structure, and end is seen and is the flail knife structure that Y shape separates to both sides by direction of advance.Adopt that this structure is picked up, broken straw effect is better.
Further, the structure of described wheat fertilizing sower is that the fertile case of forward and backward configuration and kind case above frame, at the fertile shovel of the bottom of fertile case configuration, stir seeding unit at the bottom of kind of case configuration land wheel, configures earthing wheel at land wheel rear.This programme provides the good wheat fertilizing seeding integrated machine of a kind of effect structure.
Further, the circular diameter that described Rotary tillage blade rotation forms is 30cm, and rotating speed is 700rpm.By lot of experiments and analysis, so the shallow structure of revolving of parameter can obtain better go out root stubble and leveling effect.
The beneficial effects of the utility model, introduce by above-mentioned explanation, can clear, directly understand and understand superiority of the present utility model, three major defects of prior art are overcome, the full straw covered land wheat furrow free sowing machine of one of utility model, under the full Condition of Straw Mulch such as corn, paddy rice, cotton, can disposablely complete straw field pickup, pulverizing, shallowly revolve, apply fertilizer, sow, broadcast the flow charts such as rear stalk covering.Because facility have straw field pickup, crushing function, without clearing up in advance stalk, can realize the operation of full straw covering plot wheat cultivation, not affected by the residual stalk in field; Because facility are provided with Qian Xuan mechanism, can carry out rotary tillage, smooth to kind of bed, can improve and broadcast rear earthing quality, reduce the seed rate of drying in the air.After being provided, preceding crop corn, paddy rice, cotton harvesting need the desirable mechanical implement of sowing in time wheat.
Accompanying drawing explanation
Fig. 1 is the overall structure allocation plan that the utility model is suitable for a kind of embodiment of wheat no-tillage planter of full straw covering plot operation;
Fig. 2 is an embodiment of the present utility model, and tractor motive power output shaft is connected with belt pulley the structural perspective transmitting by the belt that is positioned at device one side successively with cutter shaft, horizontal screw feeder and Qian Xuan mechanism;
Fig. 3 is an embodiment in the utility model, and tractor motive power output shaft is sent to the structural perspective of cutter shaft, horizontal screw feeder and Qian Xuan mechanism successively by the multiple-speed gear-box rod member that is positioned at device centre;
Fig. 4 is an embodiment in the utility model, shallow structural perspective of revolving mechanism components;
Fig. 5 is the front view of Fig. 4.
In figure:
The 1st, tractor, the 2nd, broken straw cutter, the 3rd, cutter shaft, the 4th, blower fan, the 5th, horizontal screw feeder, 6 Shi Qianxuan mechanisms, 6a is major axis, 6b is Rotary tillage blade, 6c is case, the 7th, and fertilizer plough, the 8th, kind with plough, the 9th, land wheel, the 10th, earthing wheel, the 11st, kind of case, the 12nd, fertile case, the 13rd, rear trifilar suspension, the 14th, stalk throws device, and the 15th, front trifilar suspension, the 16th, power take-off, the 17th, gauge wheel, 18 pressing rollers.
Embodiment
Further describe structure of the present utility model below in conjunction with accompanying drawing.
Be suitable for a wheat no-tillage planter for full straw covering plot operation, certainly go to rear following configuration:
Connected the swivel knife shaft 3 of the clear straw machine of horizontal wide cut box-type crushed stalk by tractor motive power output shaft 16, on cutter shaft 3, configure many broken straw cuttves 2, many broken straw cuttves 2 are arranged on cutter shaft 3 in helix mode, the rear of broken straw cutter 2 is horizontal screw feeders 5, the output configuration blower fan 4 of horizontal screw feeder 5, delivers to wheat fertilizing sower top by the road backward;
It is suitable with the width of described wheat fertilizing sower on width that described stalk throws the stalk scope that device 14 sheds out; Can pulverize, remove the stalk after preceding crop corn, paddy rice, cotton harvesting, the wheat of having sowed for rear again covers crushing straw, stratification growth.
Configure horizontal Qian Xuan mechanism 6 at the rear of described horizontal screw feeder 5, described Qian Xuan mechanism 6 is:
In horizontal major axis 6a periphery, fixing Rotary tillage blade 6b in a spiral manner arranges, the circular diameter that described Rotary tillage blade 6b rotation forms is 25---35cm, and rotating speed is 600---800rpm, and be reverse rotation, by in front haulage, described Rotary tillage blade 6b from lower to upper, rotates from front to back, covers the case 6c of semicircular in shape above Rotary tillage blade 6b, the first half of case 6c is circular arc cover plate, and latter half is the grid lid that some circular arc bars form; So structure can hide the shallow soil ash of kicking up that revolves, and the grid lid of latter half does not produce again resistance, reduces working load, obtains better operation effectiveness.
At the rear of described Qian Xuan mechanism 6 configuration wheat fertilizing sower, described wheat fertilizing sower is integral type; Compact conformation, is convenient to hang towage.
Trifilar suspension 15 is connected with described tractor 1 before the clear straw machine of described crushed stalk, and the later trifilar suspension 13 of the clear straw machine of described crushed stalk is connected with described rear wheat fertilizing sower, and the upper connecting rod of rear trifilar suspension 13 is the structure of the adjustable and shock-absorbing of length; According to field actual conditions, hang, be adjusted to proper angle, height and position.
The left and right sides at the clear straw machine of described crushed stalk configures respectively gauge wheel 17;
Described tractor motive power output shaft 16 provides power for cutter shaft 3, horizontal screw feeder 5 and Qian Xuan mechanism 6.
Between described horizontal screw feeder 5 and Qian Xuan mechanism 6, pressing roller 18 is set.
Described tractor motive power output shaft 16 is connected transmission with cutter shaft 3, horizontal screw feeder 5 and Qian Xuan mechanism 6 by the belt that is positioned at device one side successively with belt pulley.
Described tractor motive power output shaft 16 sends cutter shaft 3, horizontal screw feeder 5 and Qian Xuan mechanism 6 to successively by the multiple-speed gear-box rod member being positioned in the middle of device.
Described broken straw cutter 2 is rectangular metal lath structure, and end is seen and is the flail knife structure that Y shape separates to both sides by direction of advance, a kind of reliable broken straw cutter 2 structures.
The structure of described wheat fertilizing sower is that the fertile case 12 of forward and backward configuration and kind case 11 above frame, at the fertile shovel of the bottom of fertile case 12 configuration, stir seeding unit at the bottom of kind of case 11 configuration land wheel, configures earthing wheel 10 at land wheel 9 rears.Can adopt existing apparatus, adjust fertilising and wheat cultivation amount and be easy to use.
The circular diameter that one embodiment adopts described Rotary tillage blade 6b rotation to form is 30cm, and rotating speed is 700rpm, and operation effectiveness is better.
The utility model can disposablely complete crushed stalk cleaning, shallowly revolve, applies fertilizer, sows, broadcasts the flow charts such as rear stalk covering, reduce under facility number of times, reduce operating cost, be particularly useful for the narrow rows such as the full straw covering plot Mechanization sowing wheat such as corn, paddy rice, cotton apart from crop.

Claims (7)

1. a wheat no-tillage planter that is suitable for full straw covering plot operation, is characterized in that: certainly go to rear following configuration:
Connected the swivel knife shaft (3) of the clear straw machine of horizontal wide cut box-type crushed stalk by tractor motive power output shaft (16), at cutter shaft (3) many broken straw cuttves of upper configuration (2), many broken straw cuttves (2) are arranged on cutter shaft (3) in helix mode, the rear of broken straw cutter (2) is a horizontal screw feeder (5), the output configuration blower fan (4) of horizontal screw feeder (5), delivers to wheat fertilizing sower top by the road backward;
It is suitable with the width of described wheat fertilizing sower on width that described stalk throws the stalk scope that device (14) sheds out;
Configure horizontal Qian Xuan mechanism (6) at the rear of described horizontal screw feeder (5), described Qian Xuan mechanism (6) is:
In horizontal major axis (6a) periphery, the fixing Rotary tillage blade (6b) of arranging in a spiral manner, the circular diameter that described Rotary tillage blade (6b) rotation forms is 25---35cm, rotating speed is 600---800rpm, and be reverse rotation, by in front haulage, described Rotary tillage blade (6b) from lower to upper, rotation from front to back, cover the case (6c) of semicircular in shape in the top of Rotary tillage blade (6b), the first half of case (6c) is circular arc cover plate, and latter half is the grid lid that some circular arc bars form;
At the rear of described Qian Xuan mechanism (6) configuration wheat fertilizing sower, described wheat fertilizing sower is integral type;
Before the clear straw machine of described crushed stalk, trifilar suspension (15) is connected with described tractor (1), trifilar suspension (13) is connected with described rear wheat fertilizing sower after the clear straw machine of described crushed stalk, and the upper connecting rod of rear trifilar suspension (13) is the structure of the adjustable and shock-absorbing of length;
Configure respectively gauge wheel (17) in the left and right sides of the clear straw machine of described crushed stalk;
Described tractor motive power output shaft (16) is that cutter shaft (3), horizontal screw feeder (5) and Qian Xuan mechanism (6) provide power.
2. be suitable for according to claim 1 the wheat no-tillage planter of full straw covering plot operation, it is characterized in that, between described horizontal screw feeder (5) and Qian Xuan mechanism (6), pressing roller (18) is set.
3. be suitable for according to claim 1 the wheat no-tillage planter of full straw covering plot operation, it is characterized in that described tractor motive power output shaft (16) is connected transmission with cutter shaft (3), horizontal screw feeder (5) and Qian Xuan mechanism (6) by the belt that is positioned at device one side successively with belt pulley.
4. be suitable for according to claim 1 the wheat no-tillage planter of full straw covering plot operation, it is characterized in that described tractor motive power output shaft (16) sends cutter shaft (3), horizontal screw feeder (5) and Qian Xuan mechanism (6) to successively by the multiple-speed gear-box rod member being positioned in the middle of device.
5. be suitable for according to claim 1 the wheat no-tillage planter of full straw covering plot operation, it is characterized in that described broken straw cutter (2) is for rectangular metal lath structure, end is seen and is the flail knife structure that Y shape separates to both sides by direction of advance.
6. be suitable for according to claim 1 the wheat no-tillage planter of full straw covering plot operation, the structure that it is characterized in that described wheat fertilizing sower is, the fertile case of forward and backward configuration (12) and kind case (11) above frame, at the fertile shovel of the bottom of fertile case (12) configuration, stir seeding unit at the bottom of kind of a case (11) configuration land wheel, at land wheel (9) rear configuration earthing wheel (10).
7. be suitable for according to claim 1 the wheat no-tillage planter of full straw covering plot operation, it is characterized in that the circular diameter that described Rotary tillage blade (6b) rotation forms is 30cm, rotating speed is 700rpm.
CN201320855580.3U 2013-12-23 2013-12-23 Wheat no-tillage planter suitable for full straw mulched ground operation Withdrawn - After Issue CN203661545U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103733753A (en) * 2013-12-23 2014-04-23 农业部南京农业机械化研究所 Wheat no-tillage seeding machine suitable for full straw mulched ground operation
CN104365202A (en) * 2014-11-06 2015-02-25 柳州市宏大机械制造有限公司 Combined operation machine
CN106973592A (en) * 2017-03-31 2017-07-25 付建辉 A kind of stalk crushing type agricultural seeding device
CN107182322A (en) * 2017-06-13 2017-09-22 农业部南京农业机械化研究所 A kind of local rotary tillage seeding and fertilizing straw mulching and returning machine
CN107980368A (en) * 2017-11-21 2018-05-04 农业部南京农业机械化研究所 A kind of straw covering plot suitable for corn wide-narrow row planting is no-tillage clean area's seeder
CN108260370A (en) * 2018-03-28 2018-07-10 中国农业科学院草原研究所 A kind of rotary tillage soil-working aspiration small-sized seed precision drilling Unit erriger and method
CN108551781A (en) * 2018-02-02 2018-09-21 农业部南京农业机械化研究所 A kind with broken straw rear-tow type wide row standing crop stalk no-tillage seeding machine
CN112544146A (en) * 2020-12-02 2021-03-26 农业农村部南京农业机械化研究所 Soil preparation mechanism for wheat drill seeder suitable for sticky soil in rice stubble fields
GB2600006A (en) * 2020-08-22 2022-04-20 Bourgelat Pty Ltd Apparatus for attachment to a tractor

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103733753A (en) * 2013-12-23 2014-04-23 农业部南京农业机械化研究所 Wheat no-tillage seeding machine suitable for full straw mulched ground operation
CN103733753B (en) * 2013-12-23 2016-08-24 农业部南京农业机械化研究所 A kind of wheat no-tillage planter being suitable to full straw covering plot operation
CN104365202A (en) * 2014-11-06 2015-02-25 柳州市宏大机械制造有限公司 Combined operation machine
CN106973592A (en) * 2017-03-31 2017-07-25 付建辉 A kind of stalk crushing type agricultural seeding device
CN107182322A (en) * 2017-06-13 2017-09-22 农业部南京农业机械化研究所 A kind of local rotary tillage seeding and fertilizing straw mulching and returning machine
CN107980368A (en) * 2017-11-21 2018-05-04 农业部南京农业机械化研究所 A kind of straw covering plot suitable for corn wide-narrow row planting is no-tillage clean area's seeder
CN107980368B (en) * 2017-11-21 2020-11-24 农业部南京农业机械化研究所 Straw mulching land no-tillage clean area seeder suitable for wide-narrow row planting of corn
CN108551781A (en) * 2018-02-02 2018-09-21 农业部南京农业机械化研究所 A kind with broken straw rear-tow type wide row standing crop stalk no-tillage seeding machine
CN108260370A (en) * 2018-03-28 2018-07-10 中国农业科学院草原研究所 A kind of rotary tillage soil-working aspiration small-sized seed precision drilling Unit erriger and method
GB2600006A (en) * 2020-08-22 2022-04-20 Bourgelat Pty Ltd Apparatus for attachment to a tractor
CN112544146A (en) * 2020-12-02 2021-03-26 农业农村部南京农业机械化研究所 Soil preparation mechanism for wheat drill seeder suitable for sticky soil in rice stubble fields
CN112544146B (en) * 2020-12-02 2021-12-21 农业农村部南京农业机械化研究所 Soil preparation mechanism for wheat drill seeder suitable for sticky soil in rice stubble fields

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