JP2930476B2 - No-till direct sowing machine - Google Patents

No-till direct sowing machine

Info

Publication number
JP2930476B2
JP2930476B2 JP4183051A JP18305192A JP2930476B2 JP 2930476 B2 JP2930476 B2 JP 2930476B2 JP 4183051 A JP4183051 A JP 4183051A JP 18305192 A JP18305192 A JP 18305192A JP 2930476 B2 JP2930476 B2 JP 2930476B2
Authority
JP
Japan
Prior art keywords
groove
seeding
scraper
sowing
soil
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.)
Expired - Fee Related
Application number
JP4183051A
Other languages
Japanese (ja)
Other versions
JPH062A (en
Inventor
正則 泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Agricultural Machinery Co Ltd
Original Assignee
Mitsubishi Agricultural Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Agricultural Machinery Co Ltd filed Critical Mitsubishi Agricultural Machinery Co Ltd
Priority to JP4183051A priority Critical patent/JP2930476B2/en
Publication of JPH062A publication Critical patent/JPH062A/en
Application granted granted Critical
Publication of JP2930476B2 publication Critical patent/JP2930476B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries

Landscapes

  • Soil Working Implements (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、不耕起圃場に播種溝を
作溝し、この播種溝を仕上げ処理した直後に播種する不
耕起直播機に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-tillage direct sowing machine in which a sowing groove is formed in a no-till field and the sowing is performed immediately after finishing the sowing groove.

【0002】[0002]

【従来の技術】従来、圃場全面をロータリー耕耘するこ
とにより砕土した後、稲の種籾を圃場に直播する方法は
既に知られている。また、不耕起圃場面に播種し、その
側部を耕起して跳ね上げた耕土を播種した種子上に覆土
する不耕起播種機も既に知られている。
2. Description of the Related Art Conventionally, a method of directly sown rice seeds in a field after crushing the soil by rotary tilling the entire field is already known. A non-tillage seeder is also known, which is sown in a no-till field and plows its side to cover the sown seed.

【0003】[0003]

【発明が解決しようとする課題】前記既知の播種方法は
圃場全体を耕起して砕土するので、播種の準備に多大の
労力と時間を要し、その上、播種作業を要するため省力
化が困難であった。このような課題を解決すべく作溝爪
を逆回転させて前部でアッパーカットにより耕起した耕
土を上方から後方へ投擲して播種溝に播種した種子に覆
土しようとすると、播種溝に上記耕土が投入されて播種
深さが変動し、適正な播種及び育成を行うことができな
かった。また、不耕起圃場面に直接播種して側部の圃場
を耕起して覆土する方式は、播種した部分に雑草が繁茂
し易く、しかも、圃場面に凹凸が多くかつ覆土厚が変動
するので、覆土厚が薄い部分では発芽不良を起すると共
に鳥害を受け易く、厚い部分では発芽遅れや成育障害を
起す等の問題点があった。
The above-mentioned known sowing method requires plenty of labor and time in preparation for sowing because the whole field is plowed and crushed, and furthermore, the sowing operation requires labor saving. It was difficult. In order to cover such seeds sown in the sowing groove by throwing the cultivated soil cultivated by the upper cut in the front part from the top and backward by rotating the groove claw in reverse to solve such a problem, the seeding groove Cultivated soil was introduced, sowing depth fluctuated, and proper sowing and growing could not be performed. In addition, the method of sown directly in a no-till field scene and cultivating the side field to cover the soil is easy for weeds to grow on the sown part, and the field scene has many irregularities and the soil cover thickness varies. Therefore, there are problems such as poor germination and susceptibility to bird damage in thin portions of the soil, and problems such as germination delay and growth failure in the thick portions.

【0004】[0004]

【課題を解決するための手段】本発明は、前側で上昇回
転する耕耘軸に略同一軌跡で回転する複数の作溝爪を装
着し、それらの作溝爪の回転軌跡の後部に、作溝爪によ
り形成された播種溝の底面を仕上げるスクレーパーを設
け、該スクレーパーの直後に播種用の導管を臨ませるこ
とにより前述の課題を解決した。
According to the present invention, a plurality of groove-forming claws rotating about the same locus are mounted on a tilling shaft which rises and rotates on the front side. The above-mentioned problem has been solved by providing a scraper for finishing the bottom surface of the seeding groove formed by the claws and directing a seeding conduit immediately after the scraper.

【0005】[0005]

【作用】不耕起圃場にて、耕耘軸を逆回転(前側で上昇
回動)させながら播種機を走行させると、作溝爪は不耕
起圃場に播種溝をアッパーカットにより形成すると共に
耕起した耕土を上方を経て後方へ投擲し、スクレーパー
は投擲されて播種溝に堆積した耕土を掬い出し、播種装
置はスクレーパーにより溝浚した直後の播種溝に播種
し、その後方へ投擲された耕土は溝底に播種された種子
上に覆土される。
[Action] In a no-till field, when the seeding machine is run while rotating the tilling shaft in the reverse direction (upward rotation on the front side), the grooving claw forms a sowing groove in the no-till field by upper cutting and plows. The raised cultivated soil is thrown backwards through the upper part, the scraper throws out the cultivated soil that has been thrown and accumulated in the seeding trench, and the seeding device sowed in the seeding trench immediately after dredging by the scraper, and was thrown backward. Is covered on seeds sown at the bottom of the ditch.

【0006】[0006]

【実施例】本発明の一実施例を図面に示す播種機につい
て説明すると、ティラー1は従来のものと同様、下部に
車輪2を有するミッションケースに機台3を取付け、該
機台3上にエンジン4を搭載し、後部にヒッチ金具5を
取付け、上部にはハンドル6を有している。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to a seeding machine shown in the drawings. A tiller 1 is provided with a machine base 3 in a transmission case having wheels 2 at a lower portion, similarly to a conventional one. The engine 4 is mounted, a hitch fitting 5 is attached to a rear portion, and a handle 6 is provided at an upper portion.

【0007】作溝装置7は中央のチェーンケース8の下
部に耕耘軸9をベアリングを介して支承し、上部の入力
プーリー10を前記ミッションケースの上部の出力プー
リー11にベルト12により連動連結し、前記耕耘軸9
の両端部に横移動調節可能(播種条間調節)に取付けた
ボスから放射状に突出した取付金13・・には、それぞ
れ複数のなた爪からなる作溝爪14・・を、側面視で図
1に示すごとく接地側において後方へ湾曲し、前後方向
から見ると相隣るものの先端部が交互に左右へ湾曲して
突出するように取付けてあり、支持フレーム7aの前端
は前記ヒッチ金5に連結ピンにより着脱可能に連結して
ある。
The groove forming device 7 supports a tilling shaft 9 at a lower portion of a center chain case 8 via a bearing, and connects an upper input pulley 10 to an output pulley 11 at an upper portion of the transmission case by an interlocking belt 12. The tillage shaft 9
Each of the mounting brackets 13 radially protruding from the boss mounted on the both end portions of the laterally adjustable (seeding interval adjustment) has a groove claw 14 composed of a plurality of saw claws in a side view. As shown in FIG. 1, the support frame 7 a is curved rearward on the grounding side, and is mounted so that the tips of adjacent ones alternately curve left and right when viewed from the front-rear direction, and the front end of the support frame 7 a is the hitch metal 5. Are detachably connected to each other by connecting pins.

【0008】前記支持フレーム7aの後部から両側方へ
延出した横フレームには、断面が下向きコ字状をなして
いて、側面視では前記耕耘軸9を跨ぐと共に前部と後部
が圃場面に接近したロータリカバー15を取付け、この
ロータリカバー15の両側板は図2に示す如く前記作溝
爪14・・の先端の回動軌跡の両側に近接して沿うよう
に間隔を狭く(例えば8cm程度)し、周面板の中間部
から前方部分は上記回転軌跡に沿っているが、後部は後
方へ膨出しており、上記ロータリカバー15の両側面に
固定したブラケット16に安定橇17を上下調節可能に
螺着して作溝爪14・・により形成される播種溝Aの深
さを調節するようになっている。
The cross section of the horizontal frame extending from the rear of the support frame 7a to both sides has a downward U-shape. The side frame straddles the cultivation shaft 9 and the front and rear portions are in the field scene. The rotary cover 15 is mounted close to the rotary cover 15, and the distance between the side plates of the rotary cover 15 is narrowed (for example, about 8 cm) so as to be close to both sides of the rotation locus of the tip of the groove claw 14, as shown in FIG. ) And the front part from the middle part of the peripheral plate follows the above-mentioned rotation locus, but the rear part bulges rearward, and the stable sled 17 can be adjusted up and down on the bracket 16 fixed to both sides of the rotary cover 15. To adjust the depth of the seeding groove A formed by the forming groove claws 14.

【0009】また、前記ロータリカバー15の一方の側
板の後部下端には、他方の側板に向けて下降傾斜したレ
ーキ18を播種溝A上に臨むように装着してあり、該レ
ーキ18は支持杆19から多数の篩杆20・・を櫛歯状
に突設すると共に前記作溝爪14・・により投擲される
耕土の投擲方向に向け傾斜させることにより構成されて
おり、上記支持杆19の両端に固定した調節板19aは
中間部を支点軸21により側板の後面に軸支し、上部の
長孔22をボルト23で横傾動調節可能に螺着してある
のでレーキ18の傾斜角を調節することができる。
A rake 18, which is inclined downward toward the other side plate, is mounted at the lower rear end of one side plate of the rotary cover 15 so as to face the seeding groove A. The rake 18 is supported by a support rod. 19, a large number of sieve rods 20 are protruded in a comb-like shape and are inclined in the throwing direction of the cultivated soil thrown by the groove-forming claws 14. The adjustment plate 19a is fixed to the rear surface of the side plate by a fulcrum shaft 21 at the intermediate portion, and the upper slot 22 is screwed by a bolt 23 so as to be adjustable in lateral tilt so that the inclination angle of the rake 18 is adjusted. be able to.

【0010】そして、ロータリカバー15の後部下端の
前部寄りには、下端が逆V字状をなすスクレーパー24
を取付けてあり、このスクレーパー24は犂のように後
傾姿勢になっていて作溝爪14・・の回転軌跡の後面に
近接して沿っているので、作溝爪14・・により上方を
経て後方へ投擲された耕土はスクレーパー24により受
け止められ、少なくともその直後部分に耕土が堆積する
ことがなく、スクレーパー24により成型された逆V字
状の溝底面は部分的に露出した状態になる。
A scraper 24 having an inverted V-shaped lower end is provided near the front lower end of the rear end of the rotary cover 15.
Since the scraper 24 is in a rearwardly inclined posture like a plow and is close to the rear surface of the rotation locus of the groove 14, the scraper 24 is moved upward by the groove 14. The cultivated soil thrown rearward is received by the scraper 24, and the cultivated soil is not deposited at least immediately after that, and the bottom surface of the inverted V-shaped groove formed by the scraper 24 is partially exposed.

【0011】播種施肥装置25は前記支持フレームの両
側部に装着した左右一対の種子用及び肥料用のホッパー
26,26と、その下部の繰出口に臨ませた繰出ロール
27と、各ホッパーの繰出口の左右からそれぞれ2本づ
つ連結した導管28・・とにより構成され、これらの導
管28・・は種子用と肥料用とを1本づつ組にしてそれ
らの下端部を前記スクレーパー24の直後の側部から播
種溝上に臨ませてある。但し、各ホッパー26,26を
仕切板で仕切って種籾と肥料を分けて入れるようにした
場合は各播種溝Aに対する種子用と肥料用の導管28,
28を交叉させることなくそのまま下降させることがで
きる。また、前記繰出ロール27の軸に取付けたスプロ
ケット30はロータリカバー15の後部外側に軸支した
突起付き駆動輪31の軸に取付けたスプロケット32に
チェーン33により連動連繋してある。
The seeding and fertilizing apparatus 25 includes a pair of left and right hoppers 26 and 26 for seeds and fertilizer mounted on both sides of the support frame, a feed roll 27 facing a lower feed outlet, and a feeder for each hopper. Each of the conduits 28 is connected to a pair of seeds and fertilizers one by one from the left and right sides of the outlet. It is on the seeding ditch from the side. However, when the respective hoppers 26, 26 are separated by a partition plate and the seed rice and the fertilizer are separately put, the conduits 28 for seed and fertilizer for each seeding groove A,
28 can be lowered without crossover. The sprocket 30 attached to the shaft of the feed roll 27 is linked to a sprocket 32 attached to the shaft of a driving wheel 31 with a projection that is supported on the rear outside of the rotary cover 15 by a chain 33.

【0012】次に作用について説明する。不耕起圃場に
て、ホッパー26、26に、浸種済の種籾に酸素発生剤
(カルパー)をコーティングしたものと、遅効性になる
よう難溶剤をコーティングした粒状肥料とを分けて入
れ、耕耘軸9を作溝爪14が前部で上昇回動するように
逆転駆動しながら機体を前進させると、作溝爪14は前
部で掻き上げながら狭い幅(例えば3〜5cm)の播種
溝を3cm内外の深さ掘削し、掻き上げられた耕土はロ
ータリカバー15に案内されながら上方を経て後方へ投
擲され、スクレーパー24は作溝爪14の回転軌跡から
1〜2cm離れた位置で溝内に侵入した状態で進行する
ことにより播種溝A内に侵入して堆積せんとする耕土を
掬い出してその底面を逆V字状に成型する。
Next, the operation will be described. In a no-till field, hoppers 26, 26 are separately charged with seeded rice seeds coated with an oxygen generating agent (calper) and granular fertilizers coated with a hard solvent to make them slow-acting. When the machine body is moved forward while rotating in the reverse direction so that the forming claw 14 rotates upward at the front, the forming claw 14 raises the seeding groove having a narrow width (for example, 3 to 5 cm) by 3 cm while scraping it up at the front. The excavated soil is excavated inside and outside, and the scraped-up cultivated soil is thrown rearward from above while being guided by the rotary cover 15, and the scraper 24 enters the groove at a position 1 to 2 cm away from the rotation locus of the groove claw 14. The cultivated soil that intrudes into the seeding groove A by being advanced in a state where the soil is deposited is scooped out, and the bottom surface thereof is formed into an inverted V-shape.

【0013】駆動輪31は接地して回転するので、それ
に連動する繰出ロール27は、ホッパー26に収納され
ている種籾及び肥料を順次繰り出し、それらが導管2
8,28内を通って播種溝底の左右の窪みに別々に投入
され、前述の後方へ投擲された耕土はレーキ18に衝突
して更に砕土されると共に篩選別され、細かい耕土が漏
下して種籾及び粒状肥料に覆土され、大径の耕土、藁又
は雑草等は、レーキ18上を滑落して溝の側方の田面上
に向け篩杆20・・に沿って斜め後方へ流下する。その
際、篩杆20・・は後方へ傾斜しているのでレーキ18
上に堆積せんとする大径の土塊、雑草等を投擲された耕
土が押し流す。また覆土は粒径が1cm以下のものが8
0%以上含まれる状態で、厚さは0.5cmでは乾燥害
が発生し、2cm以上では酸欠で発芽不良になるので1
〜2cmにすることが望ましい。
Since the driving wheel 31 rotates while touching the ground, a feeding roll 27 interlocking with the driving wheel 31 feeds out the seeds and fertilizer stored in the hopper 26 sequentially, and the feeder 27 feeds the seeds and fertilizer.
The cultivated soil that has been separately thrown into the left and right depressions at the bottom of the sowing groove through the insides of the pits 8, 28 collides with the rake 18 to collide with the rake 18 and is further crushed and sieved to separate fine cultivated soil. The large-diameter cultivated soil, straw or weeds, etc., which are covered with seed rice and granular fertilizer, slide down on the rake 18 and flow obliquely backward along the sieve rods 20. At this time, since the sieve rods 20 are inclined backward, the rake 18
Cultivated soil that has been thrown onto it by throwing large-diameter lumps, weeds, etc., to be deposited on it. The covering soil should be 1cm or less in particle size.
In a state in which 0% or more is contained, a thickness of 0.5 cm causes drying damage, and a thickness of 2 cm or more causes poor germination due to lack of oxygen.
It is desirable to set it to 2 cm.

【0014】スクレーパー24の背面に仕切板24aを
突設して導管28,28の下部を仕切板24aの左右に
振り分けておくと種籾と粒状肥料とを更に明確に分離し
て投入することができ、また、種子用の導管28と肥料
用の導管28の下端の高さを上下にずらしておいても、
種籾と肥料の分離を良くすることができ、いずれにして
も種籾と粒状肥料との間隔は2〜3cmにすることが望
ましい。そして、播種してから7〜10日間経過して発
芽した頃を見計らって圃場に給水すると成育が良くな
る。
If a partition plate 24a protrudes from the back of the scraper 24 and the lower portions of the conduits 28, 28 are distributed to the left and right of the partition plate 24a, the seed rice and the granular fertilizer can be more clearly separated and put. Also, even if the heights of the lower ends of the conduit 28 for seeds and the conduit 28 for fertilizer are shifted up and down,
The separation of the seed rice and the fertilizer can be improved, and in any case, the interval between the seed rice and the granular fertilizer is desirably 2-3 cm. Then, when water is supplied to the field at the time of germination 7 to 10 days after sowing, the growth is improved.

【0015】図5はレーキ18の他の実施例を示すもの
で、篩杆20・・の基部を支持杆19にそれぞれ前後揺
動可能に連結し、各篩杆20・・の基部寄りを連杆35
に回動自在に連結し、該連杆35の一端を前後傾動可能
な調節レバー36に連結したもので、該調節レバー36
を前後に傾動操作すると、篩杆20の間隔、つまり目合
いを拡縮調節することができる。
FIG. 5 shows another embodiment of the rake 18. The bases of the sieve rods 20 are connected to the support rods 19 so as to be able to swing back and forth, and the bases of the sieve rods 20 are connected. Rod 35
, And one end of the connecting rod 35 is connected to an adjusting lever 36 that can be tilted back and forth.
Is tilted back and forth, the spacing of the sieve rods 20, ie, the mesh size, can be adjusted.

【0016】図6及び図7はそれぞれレーキ18の別の
実施例を示すもので、この例は固定篩杆20aと可動篩
杆20bとを交互に組み合わせ、可動篩杆20b・・の
基部を支持杆19に固定し、該支持杆19の前端を前記
耕耘軸9と一体な偏芯輪37に遊嵌されているリング3
8に連杆39を介して連動連結したもので、耕耘軸9が
回動すると可動篩杆20b・・が前後に往復動するの
で、砕土作用及び篩選別作用が更に向上する。
FIGS. 6 and 7 show another embodiment of the rake 18. In this embodiment, the fixed sieve rod 20a and the movable sieve rod 20b are alternately combined to support the base of the movable sieve rod 20b. The ring 3 fixed to the rod 19 and the front end of the support rod 19 is loosely fitted to an eccentric wheel 37 integrated with the tilling shaft 9.
8 are linked to each other via a connecting rod 39. When the cultivating shaft 9 rotates, the movable sieve rods 20b... Reciprocate back and forth, so that the soil breaking action and the sieve sorting action are further improved.

【0017】[0017]

【発明の効果】本発明は、前述のように前側で上昇回転
する耕耘軸9に略同一軌跡で回転する複数の作溝爪14
を装着し、それらの作溝爪14の回転軌跡の後部に、作
溝爪14により形成された播種溝Aの底面を仕上げるス
クレーパー24を設け、該スクレーパー24の直後に播
種用の導管28を臨ませたので、不耕起直播作業を省力
化することができ、しかも、作溝爪14・・により後方
へ投擲される耕土が播種溝内に侵入せんとするが、スク
レーパー24が播種溝Aを浚った直後に播種することが
可能になり、それにより播種深さ及び覆土厚を略一定に
して発芽不良及び成育障害が発生するのを確実に防止す
ることができる。
As described above, according to the present invention, a plurality of groove-forming claws 14 rotating on substantially the same locus on the tilling shaft 9 rotating upward on the front side.
A scraper 24 for finishing the bottom of the seeding groove A formed by the groove 14 is provided at the rear of the rotation locus of the groove 14, and a seeding conduit 28 is provided immediately after the scraper 24. As a result, the no-till direct sowing operation can be labor-saving, and the cultivated soil thrown rearward by the grooving claws 14 does not enter the sowing groove. It is possible to sow immediately after dredging, whereby the seeding depth and the cover soil thickness are made substantially constant, so that poor germination and growth failure can be reliably prevented.

【図面の簡単な説明】[Brief description of the drawings]

【図1】播種施肥機の一部を破断した側面図である。FIG. 1 is a side view in which a part of a sowing fertilizer is broken.

【図2】作溝部の横断面図である。FIG. 2 is a cross-sectional view of a working groove.

【図3】作溝状態を示す横断面図である。FIG. 3 is a cross-sectional view showing a groove forming state.

【図4】播種施肥状態を示す横断面図である。FIG. 4 is a cross-sectional view showing a sowing fertilization state.

【図5】レーキの斜視図である。FIG. 5 is a perspective view of a rake.

【図6】揺動方式レーキの斜視図である。FIG. 6 is a perspective view of a swing type rake.

【図7】同上他例の平面図である。FIG. 7 is a plan view of another example of the above.

【符号の説明】[Explanation of symbols]

7 作溝装置 8 チェンケース 14 作溝爪 17 安定橇 18 レーキ 20 篩杆 24 スクレーパー 25 播種施肥装置 28 導管 7 Groove device 8 Chain case 14 Groove claw 17 Stable sled 18 Rake 20 Sieve rod 24 Scraper 25 Seeding fertilizer device 28 Pipe

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6,DB名) A01B 33/16 A01B 49/06 A01C 5/06 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) A01B 33/16 A01B 49/06 A01C 5/06

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 前側で上昇回転する耕耘軸9に略同一軌
跡で回転する複数の作溝爪14を装着し、それらの作溝
爪14の回転軌跡の後部に、作溝爪14により形成され
た播種溝Aの底面を仕上げるスクレーパー24を設け、
該スクレーパー24の直後に播種用の導管28を臨ませ
たことを特徴とする不耕起直播機。
A plurality of grooving claws rotating about the same locus are mounted on a tilling shaft that rotates upward on the front side, and formed by the grooving claws at the rear of the rotation locus of the grooving claws. Provided a scraper 24 for finishing the bottom of the seeding groove A,
A non-tillage direct sowing machine characterized in that a sowing conduit (28) faces directly after the scraper (24).
JP4183051A 1992-06-17 1992-06-17 No-till direct sowing machine Expired - Fee Related JP2930476B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4183051A JP2930476B2 (en) 1992-06-17 1992-06-17 No-till direct sowing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4183051A JP2930476B2 (en) 1992-06-17 1992-06-17 No-till direct sowing machine

Publications (2)

Publication Number Publication Date
JPH062A JPH062A (en) 1994-01-11
JP2930476B2 true JP2930476B2 (en) 1999-08-03

Family

ID=16128883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4183051A Expired - Fee Related JP2930476B2 (en) 1992-06-17 1992-06-17 No-till direct sowing machine

Country Status (1)

Country Link
JP (1) JP2930476B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5110202A (en) * 1974-07-12 1976-01-27 Kawasaki Heavy Ind Ltd DOKURITSUKANETSUKI
US6310019B1 (en) * 2000-07-05 2001-10-30 Wako Pure Chemical Industries, Ltd. Cleaning agent for a semi-conductor substrate
KR100981652B1 (en) * 2008-04-07 2010-09-13 오철균 Multipurpose farm machine

Also Published As

Publication number Publication date
JPH062A (en) 1994-01-11

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