JPH064A - Method for sod-seeding - Google Patents
Method for sod-seedingInfo
- Publication number
- JPH064A JPH064A JP4183052A JP18305292A JPH064A JP H064 A JPH064 A JP H064A JP 4183052 A JP4183052 A JP 4183052A JP 18305292 A JP18305292 A JP 18305292A JP H064 A JPH064 A JP H064A
- Authority
- JP
- Japan
- Prior art keywords
- seeding
- soil
- weeds
- groove
- field
- 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
Landscapes
- Sowing (AREA)
- Soil Working Implements (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、不耕起田面を浅耕した
状態で播種溝を作溝し、この播種溝に播種して覆土する
不耕起播種方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a no-till sowing method in which a sowing groove is formed in a state where a no-till paddy surface is shallowly plowed, and the seed groove is sown and covered with soil.
【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 has been already known in which the entire surface of a field is cultivated by rotary tilling, and then seed rice is directly sown in the field. In addition, a non-tillage sowing machine is also known in which seeds are sown in a no-tillage field, and the side portions thereof are plowed and flipped up to cover the seeds on which the cultivated soil is sown.
【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不耕起
圃場に播種溝を形成し、この播種溝に播種して覆土した
ところ、播種条間の無処理の不耕起圃場面から雑草が繁
茂した。また、不耕起圃場面に播種した後、溝を掘削し
ながら跳ね上げた耕土を覆土する方式も、不耕起面に落
下していた雑草の種子が発芽成育した。The known seeding method described above requires plentiful labor and time for the preparation of seeding because it cultivates the entire field and crushes the soil. Moreover, the seeding work requires labor saving. It was difficult. In order to solve such a problem, when a sowing groove was formed in a no-tillage field, and sowing was performed in the sowing groove to cover the soil, weeds grew from the untreated no-till field scene between the sowing rows. In addition, the seeds of the weeds that had fallen on the no-till surface also germinated and grew in a method of covering the soil that had been sowed up while excavating the ditch after sowing in a no-till field scene.
【０００４】[0004]
【課題を解決するための手段】本発明は、不耕起田面を
浅耕することにより田面の雑草を表土と共に削り取って
撹拌することにより土中に埋没させ、しかる後、播種溝
を形成し、この播種溝に播種覆土するようにして前述の
課題を解決した。[Means for Solving the Problems] The present invention is to bury the soil in the soil by shaving and weeding the weeds on the paddy field by shallowly plowing the no-till paddy field surface, and then forming a sowing groove, The above-mentioned problems were solved by sowing the seeds and covering them with soil.
【０００５】[0005]
【作用】不耕起圃場の表面を浅くかつ全面的に耕起し、
それに続いて、播種溝を掘削し、この播種溝に播種して
覆土すると、不耕起圃場の全面が浅く耕起されて地表の
雑草が掻き取られると共に撹拌されて埋没することとな
り、雑草が繁茂するのを長期間抑制することができ、し
かも、浅耕後の圃場面に凹凸がなくなって播種深さ及び
覆土を略一定にすることが容易になり、それにより発芽
時期を揃えて良好に成育させることができる。[Operation] Plowing the surface of a no-till field in a shallow and full-scale manner
Following that, when the seeding ditch is excavated, and the seeding ditch is sown and covered with soil, the entire surface of the no-till field is plowed shallowly, the weeds on the ground surface are scraped off, and they are agitated and buried. It is possible to suppress overgrowth for a long period of time, and it is easy to make the sowing depth and covering soil almost constant by eliminating the unevenness in the field scene after shallow plowing, thereby making it possible to align the germination time well. Can be grown up.
【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、トラクタ１の後部にトップリンク２ａと
左右のロアリンク２ｂ，２ｂを介してロータリ耕耘装置
３を昇降可能に連結すると共にリフトアーム４ａ及びリ
フトロッド４ｂにより高さ調節可能に支持し、ロータリ
耕耘装置３の耕耘軸にロータリハロー５を装着し、ツー
ルバー６の後部にはヒッチ金具を取付けてあり、トラク
タ１のＰＴＯ軸とロータリ耕耘装置３の中央上部に設け
たギヤケースから前方へ向けて突出した入力軸はヨーク
ジョイントにより連動連結されており、ギヤケースから
側方へ延びて耕耘軸をチェーンケース３ａを介して伝動
する軸３ｂは出力プーリー１１を駆動する。An embodiment of the present invention will be described with reference to the drawing machine. A rotary tiller 3 is connected to a rear portion of a tractor 1 via a top link 2a and left and right lower links 2b, 2b so as to be vertically movable. It is supported by a lift arm 4a and a lift rod 4b so that its height can be adjusted, a rotary harrow 5 is mounted on the cultivating shaft of the rotary cultivating device 3, and a hitch metal fitting is attached to the rear part of the tool bar 6, and the PTO shaft of the tractor 1 is attached. An input shaft projecting forward from a gear case provided in the central upper part of the rotary tiller 3 is interlockingly connected by a yoke joint, and a shaft 3b extending laterally from the gear case and transmitting the tiller shaft through a chain case 3a. Drives the output pulley 11.
【０００７】作溝装置７は中央のチェーンケース８と、
その下部にベアリングを介して支承した横方向に延出し
た作溝軸９と、上記出力プーリー１１にベルト１２を介
して連動連結された入力プーリー１０と、前記作溝軸９
に間隔をおいて横移動調節可能（播種条間調節）に取付
けた４〜６若しくはそれ以上のボスからそれぞれ放射状
に突出した複数の取付金１３・・にそれぞれ螺着されて
いてなた爪からなる複数の作溝爪１４・・とからなり、
該作溝爪１４は側面視で図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各ボスから突出し
た相隣るものの先端部が交互に左右へ湾曲して突出する
ように取付けあり、前記チェーンケース８と一体な取付
フレーム７ａの前端は、前記ヒッチ金具４に連結ピンに
より連結されている。The groove forming device 7 includes a chain case 8 at the center,
A laterally extending groove groove shaft 9 supported by bearings at its lower portion, an input pulley 10 operatively connected to the output pulley 11 via a belt 12, and the groove groove shaft 9
From the claws which are respectively screwed to a plurality of mounting studs 13 radially protruding from 4 to 6 or more bosses mounted laterally adjustable (inter-row adjustment) at intervals Consisting of a plurality of grooving claws 14 ...
The grooved claws 14 are curved rearward on the ground side as shown in FIG. 1 in a side view, and when viewed from the front-rear direction, the tips of the adjacent ones protruding from the respective bosses are alternately curved leftward and rightward. The front end of the mounting frame 7a which is attached and is integral with the chain case 8 is connected to the hitch metal fitting 4 by a connecting pin.
【０００８】前記取付フレーム７ａの後部から両側方へ
延出させた支持フレーム７ａから両側方へ延出した横枠
の下面には、断面が下向きコ字状をなしていて、側面視
では前記作溝軸９を跨ぐと共に前部と後部が圃場面に接
近したカバー１５を各作溝爪群の組毎に取付け、このカ
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 lower surface of the lateral frame extending laterally from the supporting frame 7a extending laterally from the rear portion of the mounting frame 7a has a downwardly U-shaped cross section. A cover 15 which straddles the groove shaft 9 and whose front part and rear part are close to the field scene is attached to each group of grooving claws, and both side plates of this cover 15 have the grooving claws 14 ...
The distance is narrowed (for example, about 8 cm) so as to be close to both sides of the rotation locus of the tip of the, and the front part follows the rotation locus from the middle part of the peripheral plate, but the rear part bulges backward. And a stable sled 17 is screwed onto brackets 16 fixed to both side surfaces of the cover 15 so as to be adjustable in the vertical direction, and the grooving nail 14
The depth of the seeding groove A formed by ... is adjusted.
【０００９】また、前記カバー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。At the lower end of the rear portion of one side plate of the cover 15, a rake 18 descending and inclined toward the other side plate.
The rake 18 is mounted so as to face the seeding groove, and the rake 18 has a large number of sieve rods 20 ... Protruding from a support rod 19 in a comb-like shape and throwing of cultivated soil thrown by the grooving claws 14 ... The adjustment plate 19a fixed to both ends of the support rod 19 is supported by the fulcrum shaft 21 on the rear surface of the side plate, and the upper long hole 22 is horizontally supported by the bolt 23. Since it is screwed so that the tilt can be adjusted, the inclination angle of the rake 18 can be adjusted.
【００１０】更に、前記カバー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。Further, a scraper 24 having an inverted V-shaped lower end is attached to the front lower end of the cover 15 near the front, and the scraper 24 is inclined backward like a plow and has a groove. Since the rotation locus of the claws 14 ... is close to the rear surface, the cultivated soil thrown backward by the grooving claws 14 ... is received by the scraper 24, and the cultivated soil is deposited at least immediately thereafter. 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、前記取付フレーム７
ａの後部から両側部へ張出した横フレームに、左右一対
の種子用及び肥料用のホッパー２６，２６が一組となっ
たものが各作溝部に対応させて多数組横方向に間隔をお
いて独立的に装着してあり、各組のものはホッパー２
６，２６の下部の繰出口に臨ませた繰出ロール２７と、
各ホッパー２６，２６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は前記カバー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 device 25 is constructed by the mounting frame 7
A pair of left and right hoppers 26, 26 for seeds and fertilizers, which are paired on the lateral frame extending from the rear part to the both sides of the lateral frame, are arranged in the lateral direction at a large number of sets corresponding to each groove. It is installed independently and each set has a hopper 2
A delivery roll 27 facing the delivery openings at the bottom of 6, 26,
Each of the hoppers 26, 26 is composed of two conduits 28, ... Connected from the left and right of the feeding outlet, and these conduits 28 .. Is exposed on the seeding groove from the side immediately after the scraper 24. However, each hopper 26, 26
When the seeds and the fertilizer are separated by partitioning the seeds with a partition plate, the seed and fertilizer conduits 28 for each sowing groove,
28 can be lowered as it is without being crossed. The sprocket 30 mounted on the shaft of the pay-out roll 27 is linked by a chain 33 to a sprocket 32 mounted on the shaft of a drive wheel 31 with a protrusion that is pivotally supported on the outer rear side of the cover 15.
【００１２】次に作用について説明する。不耕起圃場に
て、各組のホッパー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、リフトアーム４ａによりロータリ耕耘装置３の
高さを、ロータリハロー５が不耕起田面を１〜２ｃｍ程
度削り取るように調整し、作溝軸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トラクタ１を前
進させると、ロータリハロー５は上記耕深で浅耕する過
程で稲の古株及び雑草等を表土と共に掻取ながら撹拌
し、安定橇１７は浅耕により平坦になった圃場面上を滑
走し、各組の作溝爪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内外の安定した
深さに掘削して多数条の播種溝を形成し、掻き上げられ
た耕土はカバー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, each set of hoppers 26, 26 is divided into a seed seed that has been soaked and coated with an oxygen generator (calper), and a granular fertilizer that is coated with a refractory solvent to have a delayed effect. , The height of the rotary tiller 3 is adjusted by the lift arm 4a so that the rotary harrow 5 scrapes the uncultivated rice field surface by about 1 to 2 cm, and the grooving shaft 9 is rotated upward by the grooving claw 14 at the front portion. When the tractor 1 is moved forward while being reversely driven as described above, the rotary harrow 5 stirs old rice stocks and weeds while scraping with the topsoil in the process of shallow plowing at the above plowing depth, and the stable sled 17 is flattened by shallow plowing. Sliding on the field, the claws 14 of each set were scraped at the front while excavating a seeding groove with a narrow width (for example, 3 to 5 cm) to a stable depth of 3 cm or more, and sowing multiple rows. Soil that has been ditched and scraped up While being guided by the cover 15, it is thrown backward through the upper part, and the scraper 24 enters the seeding groove A by advancing in a state of entering the groove at a position 1 to 2 cm away from the rotation trajectory of the grooving claw 14. Scoop out the cultivated soil to be accumulated and form the bottom surface 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、各ホッパー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
各組の導管２８，２８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８０％以上含まれる状態で、厚さは０．５ｃ
ｍ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。このよう
にして多数条の播種を同時に行うことができる。Since the drive wheel 31 rotates while contacting with the ground, the feeding roll 27 interlocking with the driving wheel 31 sequentially feeds the seed paddy and fertilizer stored in the hoppers 26, ... The cultivated soil, which has been separately thrown into the right and left depressions on the bottom of the sowing groove, is collided with the rake 18 and further crushed and sieved, and the fine cultivated soil leaks and the seed paddy and granular Covered with fertilizer, large-diameter arable soil, straw, weeds, etc. slide down on the rake 18 and flow down diagonally rearward along the sieve rod 20 ... toward the rice field on the side of the groove. At that time, since the sieve rods 20 are inclined rearward, the cultivated soil in which large-sized soil blocks, weeds, and the like to be accumulated on the rake 18 are thrown away. Also, the cover soil has a particle size of 1 cm or less and contains 80% or more, and the thickness is 0.5 c.
If m is 2 m, drying damage occurs, and if it is 2 cm or more, deficiency of oxygen results in poor germination. In this way, it is possible to carry out sowing of multiple rows at the same time.
【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、肥料用の導管２８と種籾
用の導管２８の下端の高さを相互にずらしておいても粒
状肥料と種籾を左右に良く分離することができ、いずれ
にしても種籾と粒状肥料との間隔は２〜３ｃｍである。
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。また、
前述の浅耕により上記給水するまでの間、及びその後の
湛水管理中に既存の雑草が成長したり、その種子が発芽
して成長したりするのを抑制することができる。By partitioning the partition plate 24a on the rear surface of the scraper 24 and arranging the lower portions of the conduits 28, 28 to the left and right of the partition plate 24a, the seed paddy and the granular fertilizer can be more clearly separated and charged. In addition, even if the lower ends of the conduit 28 for fertilizer and the conduit 28 for seed paddle are shifted from each other, the granular fertilizer and the seed paddy can be well separated to the left and right, and in any case Is 2 to 3 cm.
Then, the growth is improved by supplying water to the field at a time when germination occurs 7 to 10 days after sowing. Also,
It is possible to suppress the growth of existing weeds and the germination and growth of seeds of the existing weeds until the water is supplied by the above-mentioned shallow tillage and during the subsequent waterlogging management.
【００１５】[0015]
【発明の効果】本発明は、不耕起田面を浅耕した後、逆
転耕耘により播種溝Ａを形成し、この播種溝Ａに播種し
て覆土するので、不耕起直播に要する動力及び労力を著
しく節減することができると共に浅耕により圃場面の凹
凸、雑草、古株等が除去されて平坦になり、それにより
播種条の間の実質的な不耕起土表面に雑草が繁茂するの
を効果的に抑制することができ、その上、播種溝の深さ
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。EFFECTS OF THE INVENTION The present invention forms the seeding groove A by reverse tillage after shallowly plowing the no-till surface, and sows the seeding groove A to cover the soil. It is possible to remarkably reduce the unevenness in the field scene, weeds, old plants, etc. are removed by the flat tilling, and the weeds are prevented from growing on the substantially no-till surface during the sowing. It can be effectively suppressed, and furthermore, the depth of the seeding groove can be made substantially constant, and the occurrence of poor germination and growth failure can be reliably prevented.
【図１】トラクタの後部に装着した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 seeding fertilizer applicator attached to a rear portion of a tractor is cut away.
【図２】作溝部の横断面図である。FIG. 2 is a cross-sectional view of a groove forming portion.
【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-making state.
【図４】播種施肥状態を示す横断面図である。FIG. 4 is a transverse cross-sectional view showing a seeded and fertilized state.
【図５】レーキの斜視図である。FIG. 5 is a perspective view of a rake.
５ ロータリハロー ７ 作溝装置 ８ チエ−ンケ−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 5 Rotary Halo 7 Grooving device 8 Chain case 14 Grooving claw 17 Stabilizing sled 18 Rake 20 Screening rod 24 Scraper 25 Seeding and fertilizing device 28 Conduit
Claims (1)
り播種溝Ａを形成し、この播種溝Ａに播種して覆土する
ことを特徴とする不耕起播種方法。1. A no-till sowing method comprising shallowly plowing a no-till paddy surface, forming a seed groove A by reverse tillage, and sowing the seed groove A to cover the soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04183052A JP3075636B2 (en) | 1992-06-17 | 1992-06-17 | No-till sowing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04183052A JP3075636B2 (en) | 1992-06-17 | 1992-06-17 | No-till sowing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH064A true JPH064A (en) | 1994-01-11 |
| JP3075636B2 JP3075636B2 (en) | 2000-08-14 |
Family
ID=16128900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04183052A Expired - Fee Related JP3075636B2 (en) | 1992-06-17 | 1992-06-17 | No-till sowing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3075636B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5575321B1 (en) * | 2013-03-29 | 2014-08-20 | 貞幸 椛島 | Electric sowing fertilizer |
| RU2629265C1 (en) * | 2016-11-22 | 2017-08-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный аграрный университет имени И.Т. Трубилина" | Soil tillage unit with fertilization |
| CN107211630A (en) * | 2017-07-10 | 2017-09-29 | 四川省草原科学研究院 | Forage-grass free-cultivating seeder |
| DE112013004120B4 (en) | 2012-08-23 | 2018-10-31 | The Yokohama Rubber Co., Ltd. | conveyor belt |
| CN112512298A (en) * | 2018-07-13 | 2021-03-16 | 西蒙·罗伯特·弗兰克·卓别林 | Seeding device |
-
1992
- 1992-06-17 JP JP04183052A patent/JP3075636B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112013004120B4 (en) | 2012-08-23 | 2018-10-31 | The Yokohama Rubber Co., Ltd. | conveyor belt |
| JP5575321B1 (en) * | 2013-03-29 | 2014-08-20 | 貞幸 椛島 | Electric sowing fertilizer |
| RU2629265C1 (en) * | 2016-11-22 | 2017-08-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный аграрный университет имени И.Т. Трубилина" | Soil tillage unit with fertilization |
| CN107211630A (en) * | 2017-07-10 | 2017-09-29 | 四川省草原科学研究院 | Forage-grass free-cultivating seeder |
| CN112512298A (en) * | 2018-07-13 | 2021-03-16 | 西蒙·罗伯特·弗兰克·卓别林 | Seeding device |
| CN112512298B (en) * | 2018-07-13 | 2023-10-17 | 西蒙·罗伯特·弗兰克·卓别林 | Sowing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3075636B2 (en) | 2000-08-14 |
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