JP2512809Y2 - Fertilizer in soil for paddy working machine - Google Patents
Fertilizer in soil for paddy working machineInfo
- Publication number
- JP2512809Y2 JP2512809Y2 JP1988073927U JP7392788U JP2512809Y2 JP 2512809 Y2 JP2512809 Y2 JP 2512809Y2 JP 1988073927 U JP1988073927 U JP 1988073927U JP 7392788 U JP7392788 U JP 7392788U JP 2512809 Y2 JP2512809 Y2 JP 2512809Y2
- Authority
- JP
- Japan
- Prior art keywords
- fertilizer
- soil
- work
- acting
- fertilization
- 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 - Lifetime
Links
Landscapes
- Transplanting Machines (AREA)
- Fertilizing (AREA)
- Sowing (AREA)
Description
【考案の詳細な説明】 [産業上の利用分野] 本考案は、田植機や湛水田土中播種機等の水田作業機
における土中施肥装置に関するものである。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a soil fertilizer application device for a paddy working machine such as a rice transplanter or a submerged rice soil seeder.
[従来技術及び考案が解決しようとする問題点] 一般に、この種水田作業機のなかには、植付け作業や
播種作業等の水田作業に合わせて施肥作業が同時にでき
るようにしたものがある。しかるに従来、この水田作業
に合わせて行う施肥作業は、植付け作業等の作業条の側
方に、これと並行して一条の土中施肥を行うようにした
ものに過ぎないから、例えば肥料中に即効性のものと遅
効性のものとを混在させておいたとしても、その施肥位
置が作業条から近い場合には、根が短い初期生育段階に
肥効が期待できるとしても、根が長く伸びて施肥位置を
越えてしまつた場合には肥効が低下して有効に作用しな
いことになる。[Problems to be Solved by Prior Art and Invention] In general, some of the seed paddy working machines are capable of performing fertilization work simultaneously with paddy work such as planting work and seeding work. However, conventionally, the fertilization work performed in accordance with this paddy field work is merely one in which soil fertilization is applied to the side of the work line such as planting work, and in parallel with this, for example, in fertilizer. Even if both immediate-acting and delayed-acting ones are mixed, if the fertilization position is close to the working strip, even if fertilization can be expected in the early growth stage where the roots are short, the roots will grow long. When the fertilizer is applied beyond the fertilizer application position, the fertilizing effect is reduced and the fertilizer does not work effectively.
逆に、施肥位置が作業条から遠い場合には、根が短く
施肥位置まで届かない初期成育段階では即効性肥料の肥
効が有効に作用しないこととなり、何れにしろ一条の土
中施肥では根が短い初期発育段階から成長して根が長く
なるまでの長期に亘つて継続的な肥効を期待することが
難しいのが実情で、通常は作業条に近い位置に即効性肥
料を施肥し、時期を見計らつて追肥作業を別途行なつて
いた。On the contrary, when the fertilizer application position is far from the working row, the fertilizing effect of the fast-acting fertilizer does not work effectively at the initial growth stage when the root is short and does not reach the fertilizer application position. However, it is difficult to expect a continuous fertilizing effect for a long period of time from the early development stage to a long root, which is usually short. The fertilization work was separately performed according to the timing.
そこで、遅効性肥料と即効性肥料とを、作業条に対し
遠近異なる位置で土中施肥できるよう第一,第二の土中
施肥手段をそれぞれ設けて並行して二条の土中施肥をす
ることが提唱される。Therefore, first and second soil fertilization means are respectively provided so that the slow-acting fertilizer and the immediate-acting fertilizer can be fertilized in the soil at different positions near and far from each other. Is advocated.
ところがこの様に第一,第二の土中施肥手段を設ける
にあたり、これら第一,第二の土中施肥手段のうち、特
に滑走フロート下面から土中に没入する部位が泥土抵抗
を受けることになるが、これら部位を一様に滑走フロー
トの枢支位置より後方に設けた場合、泥土抵抗が共に滑
走フロートの後部を上方に持ち上げる方向の力として働
くことになつて水田作業部の前後バランスが損なわれ、
作業深さ、施肥深さの精度を確保することが難しく、作
業性能が低下するという問題がある。However, in providing the first and second soil fertilizing means in this manner, among the first and second soil fertilizing means, particularly, the part which is immersed in the soil from the lower surface of the gliding float is subject to mud resistance. However, if these parts are provided uniformly behind the pivotal position of the gliding float, the mud resistance will work together as a force to lift the rear part of the gliding float upward, and the front-back balance of the paddy field working unit will be increased. Damaged,
It is difficult to secure the accuracy of working depth and fertilization depth, and there is a problem that working performance is reduced.
[問題を解決する手段] 本考案は、上記の如き実情に鑑み、これらの欠点を一
掃することができる水田作業機における土中施肥装置を
提供することを目的として創案されたものであって、苗
植付け作業や播種作業等の作業条に対して複数条の土中
施肥を並行して行う第一、第二の土中施肥手段の各土中
没入部材を、前後方向中間部が揺動自在に枢支される滑
走フロートにそれぞれ取付けるにあたり、前記第一、第
二土中施肥手段の土中没入部材のうちの一方は上記滑走
フロートの枢支位置より前方に、他方を滑走フロートの
枢支位置より後方にそれぞれ配して前後に分散して取付
けたことを特徴とするものである。[Means for Solving the Problem] The present invention has been made in view of the above circumstances and was devised with the object of providing an soil fertilizer application apparatus for a paddy field working machine capable of eliminating these drawbacks. The soil immersive members of the first and second soil fertilizer application methods that perform multiple soil fertilization in parallel to work strips such as seedling planting work and sowing work can swing freely in the front-rear direction. In mounting each of the sliding floats pivotally supported on the sliding float, one of the soil submersion members of the first and second soil fertilizer means is located in front of the pivotal support position of the sliding float, and the other is pivotally supported by the sliding float. It is characterized in that it is arranged behind the position and is dispersed and attached to the front and back.
そして本考案は、この構成によつて、作業条に対し同
時に複数の土中施肥ができながら、水田作業部の前後バ
ランスの崩れが小さくなるようにしたものである。Further, according to the present invention, a plurality of soil fertilizers can be simultaneously applied to the work strip by this configuration, and the ups and downs of the front and rear balance of the paddy work section can be reduced.
[実施例] 次に、本考案の一実施例を図面に基づいて説明する。
図面において、1は乗用型田植機の走行機体であつて、
該走行機体1の後部には、水田作業部である苗植付け部
2が昇降リンク機構3を介して取付けられている。この
苗植付け部2には、苗載台4、植付爪5、滑走フロート
6等の部材装置が組付けられていること等は何れも従来
通りであるが、苗植付け部2には、即効性肥料を施肥す
るための第一の土中施肥手段と遅効性肥料を施肥するた
めの第二の土中施肥手段とが設けられている。[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings.
In the drawings, 1 is a traveling type of a riding type rice transplanter,
A seedling planting section 2, which is a paddy field working section, is attached to the rear part of the traveling machine body 1 via an elevating link mechanism 3. The seedling planting part 2, the member devices such as the seedling placing table 4, the planting claws 5, and the gliding float 6 are assembled in the same manner as before, but the seedling planting part 2 is immediately effective. There is provided a first soil fertilizing means for applying a fertilizer and a second soil fertilizing means for applying a slow-acting fertilizer.
つまり、前記即効性肥料を施肥するための第一土中施
肥手段としては、実施例ではペースト状肥料を施肥する
ものが採用されている(勿論、即効性粒状肥料を連続
的、あるいは間欠的に施肥する何れであつても良いこと
は言うまでもない)が、その施肥ノズル7は、後部側方
に植付爪5が取付けられるドライブケース2aの下方に配
設の滑走フロート6の左右に配されている。つまり滑走
フロート6は、その前後方向中間部が枢支軸6aを介して
ドライブケース2aに前後揺動自在に枢支される。そし
て、施肥ノズル7は、前記枢支軸6a位置(枢支位置)よ
りも前方位置で上下揺動自在に枢支されることで取付け
られていて、この状態で植付け条Aに近い比較的浅い位
置での土中施肥を植付け作業を並行して行い、施肥条B
が形成されるようになつている。ここで、作業走行時、
施肥ノズル7が滑走フロート6の下面から土中に没入す
る部分は、第1図に示すように枢支位置よりも前方に位
置する設定になつている。尚、図中、8は肥料タンク、
9は施肥ポンプであつて、これらのものは何れも走行機
体1に搭載されている。That is, as the first soil fertilizing means for fertilizing the fast-acting fertilizer, a fertilizer applying a pasty fertilizer is adopted in the examples (of course, the fast-acting granular fertilizer is continuously or intermittently applied. Needless to say, fertilization may be applied), but the fertilizer nozzles 7 are arranged on the left and right of the gliding float 6 arranged below the drive case 2a where the planting claws 5 are attached to the rear side. There is. In other words, the sliding float 6 is pivotally supported at its intermediate portion in the front-rear direction so as to be swingable back and forth on the drive case 2a via the pivot shaft 6a. The fertilizer application nozzle 7 is attached by being pivotally supported up and down in a position forward of the position of the pivot shaft 6a (pivot position), and in this state is relatively shallow near the planting strip A. Fertilization in the soil at the position is carried out in parallel with the planting work
Are being formed. Here, when working,
The portion where the fertilizer application nozzle 7 is immersed in the soil from the lower surface of the gliding float 6 is set to be located in front of the pivot position as shown in FIG. In the figure, 8 is a fertilizer tank,
Reference numeral 9 denotes a fertilizer pump, all of which are mounted on the traveling machine body 1.
一方、遅効性肥料を施肥するための第二土中施肥手段
として、実施例では粒状肥料を施肥するものが採用され
ている(勿論、ペースト状肥料であつても良いことは言
うまでもない)が、その肥料タンク10はドライブケース
2aに固設したブラケツト11に支持固定されており、かつ
肥料タンク10の下方には肥料繰出し装置12が連結されて
いる。この繰出し装置12の繰出し軸12aから突出する作
動アーム12bは、植付爪5を作動させるためのクランク
アーム5aの延長部位にロツド13を介して連結されてお
り、植付け作動をするためのクランクアーム5aの揺動に
連繋して作動アーム12bが作動をし、これによつて後述
するように遅効性肥料が連続的に繰出され、肥料ホース
14を介して前記即効性施肥条Bよりも遠くしかも深い位
置に落下施肥されて施肥条Cが形成される。ここで肥料
ホース14は途中が二又状に分岐したものを用いており、
その分岐部にドライブケース2aを挟んで取付けられる構
造となつていて、肥料ホース14のドライブケース2aを有
効に利用した安全支持が計れるように構成されている。On the other hand, as the second soil fertilizing means for fertilizing the slow-acting fertilizer, a fertilizer applying granular fertilizer is adopted in the examples (of course, it goes without saying that it may be a paste fertilizer), The fertilizer tank 10 is a drive case
It is supported and fixed to a bracket 11 fixed to 2a, and a fertilizer feeding device 12 is connected below the fertilizer tank 10. The actuating arm 12b protruding from the payout shaft 12a of the payout device 12 is connected to an extension portion of the crank arm 5a for actuating the planting claw 5 via a rod 13, and the crank arm for performing the planting operation. The actuating arm 12b is actuated in association with the swinging movement of the 5a, whereby the slow-acting fertilizer is continuously dispensed and the fertilizer hose is fed.
The fertilized article C is formed by dropping the fertilized article to a position farther and deeper than the immediately-applied fertilized article B via 14. Here, the fertilizer hose 14 uses a bifurcated halfway,
The drive case 2a is attached to the branch portion with the drive case 2a interposed therebetween, and the fertilizer hose 14 is configured so that the drive case 2a can be effectively used and safety can be supported.
また、15は滑走フロート6の背面に下方に突出して泥
土に没入するよう取付けられる薄切り体であつて第二土
中施肥手段の構成部材の一つであるが、該溝切り体15
は、前記滑走フロート6の枢支軸6aの位置よりも後方に
配される状態で取付けられているが、該溝切り体15の後
部に肥料ホース14の下端部が配設されており、肥料ホー
ス14を落下した肥料が施肥溝に落下するようになつてい
る。尚、16は施肥溝を覆土する覆土板である。Further, reference numeral 15 is a thin sliced body which is attached to the back surface of the gliding float 6 so as to project downward and to be immersed in the mud, which is one of the constituent members of the second soil fertilizer application means.
Is mounted in a state of being arranged rearward of the position of the pivot shaft 6a of the gliding float 6, but the lower end of the fertilizer hose 14 is disposed at the rear of the groove body 15, The fertilizer that has dropped from the hose 14 is designed to drop into the fertilizer ditch. Reference numeral 16 is a soil cover plate that covers the fertilizer ditch.
因みに、前記粒状の遅効性肥料としては、その遅効性
をより効果付けるため、肥料表面に予めコーテイング剤
皮膜を施しておき、これが肥料の土中への早期の溶解を
効果的に阻止して、遅効性肥料として有効に作用するよ
う設定されたものであればさらに良いが、コーテイング
剤の性質として、肥料を吸湿から保護する作用を有する
ものであればさらに都合が良い。また即効性肥料と遅効
性肥料とはその成分が異なることが一般的であるが、植
物の種類や圃場条件等によつて同じであつても良いこと
は言うまでもなく、これらに限定されるものではない。By the way, as the granular slow-acting fertilizer, in order to make the slow-acting effect more effective, a coating agent film is previously applied to the fertilizer surface, which effectively prevents the early dissolution of the fertilizer in the soil, It is more preferable if it is set so as to act effectively as a slow-acting fertilizer, but it is more convenient if it has a property of protecting the fertilizer from moisture absorption as a property of the coating agent. In addition, it is common that the immediate-acting fertilizer and the slow-acting fertilizer have different components, but it goes without saying that they may be the same depending on the type of plant, field conditions, etc. Absent.
叙述の如く構成された本考案の実施例において、機体
走行にタイミングを合わせた植付爪5の植付け作動によ
つて苗載台4に載置された植付け苗が掻き取られて田面
に間欠的に植付けられることになるが、この植付け作業
と同時に、施肥ノズル7からは即効性肥料が植付け条A
の近傍に施肥され、一方、施肥ホース14からは遅効性施
肥条Cが前記即効性施肥条Bよりも遠い位置に連続的に
施肥されることになる。In the embodiment of the present invention configured as described above, the planting seedlings mounted on the seedling mounting table 4 are scraped off by the planting operation of the planting claws 5 which are timed to the traveling of the machine, and are intermittently carried on the rice field. However, at the same time as this planting work, immediate effect fertilizer is applied from the fertilizer application nozzle 7 to the planting line A.
The fertilizing hose 14 continuously fertilizes the slow-acting fertilized fertilizer C at a position farther than the immediate-acting fertilized fertilizer B.
この様に、本考案が実施されたものにおいては、植付
け作業と同時に施肥作業も行われることになるが、この
場合、植付け条Aに対し、即効性肥料条Bが近い位置に
ある。従つて根が短い初期発育段階でこの肥料の肥効が
働くことになつて、苗の活着、分蘖が促進されて有効茎
数が早期に確保された丈夫な苗に成育する。そして苗が
成育し、根が長くなつて即効性肥料条Bを超え遅効性施
肥条C部位にまで達すると、今度は、該遅効性肥料が有
効に作用して苗の中期から後期の成育に対しての肥効が
得られることになる。この結果、苗植付けと同時に土中
の施肥作業を行うものでありながら、根の短い成育初期
から長くなつた中期、さらには後期に至るまでの長期継
続的な肥効作用を確実に持続させることができ、もつて
従来必要な追肥作業の回数を低減し得て、作業労力の改
善が計れる。As described above, in the case where the present invention is implemented, the fertilizing work is performed at the same time as the planting work, but in this case, the immediate-acting fertilizer strip B is close to the planting strip A. Therefore, the fertilizing effect of this fertilizer works at the early stage of development where the roots are short, and the survival of seedlings and the tillering of seedlings are promoted, and the seedlings grow to be strong and secure the number of effective stems at an early stage. Then, when the seedlings grow, the roots become long and reach the site of the slow-acting fertilizer row C beyond the fast-acting fertilizer row B, this time, the slow-acting fertilizer effectively acts to grow the seedlings in the middle to late stages. The fertilizing effect against it will be obtained. As a result, fertilization work in the soil is carried out at the same time as planting seedlings, but long-term continuous fertilization effect from the early growth stage of short roots to the long-term mid-stage and even to the late stage is surely sustained. In addition, the number of additional fertilizing operations conventionally required can be reduced, and the work labor can be improved.
しかもこのものでは、遅効性施肥条Cは、左右即効性
肥料条Bに挾まれた中央部に施肥されるようになつてい
るので、根の発育が即効性肥料によつて促進された側に
おいてさらに遅効性肥料による肥効が働くことになるの
で、より根の発育を促進して、強くて丈夫な作物の成育
が計れるという利点がある。そのうえ遅効性肥料は連続
的に施肥されているので、肥効が根の伸長に合わせて連
続的に作用するという利点もある。Moreover, in this case, since the slow-acting fertilized fertilizer C is applied to the central part sandwiched between the left and right fast-acting fertilizer fertilizer B, on the side where the root growth is promoted by the fast-acting fertilizer. Furthermore, since the fertilizing effect of the slow-acting fertilizer works, there is an advantage that the root growth is further promoted and the growth of strong and durable crops can be measured. In addition, since the slow-acting fertilizer is applied continuously, there is also an advantage that the fertilizing effect continuously acts according to the elongation of the root.
そのうえ、この様に遅効性肥料と即効性肥料とを植付
け条Aに対して遠近異なる位置に並行して二条の施肥が
できるが、第一土中施肥手段は、滑走フロート6の下面
から土中に没入して泥土抵抗を受ける施肥ノズル7の土
中没入部が滑走フロート6の枢支軸6aの位置より前方に
位置することになつて、滑走フロート6の前部側を持ち
上げる方向の泥土抵抗を受ける。これに対し、第二土中
施肥手段において泥土抵抗を受ける溝切り体15は、滑走
フロート6の枢支位置より後方にある結果、滑走フロー
ト6の後部側を持ち上げる方向の泥土抵抗を受けること
になり、この結果、第一、第二の土中施肥手段を滑走フ
ロート6に設けたにもかかわらず、両土中施肥手段の土
中没入部が受ける泥土抵抗が互いに相殺しあう方向に働
くことになつて、両土中没入部を枢支位置の後方に配し
たもののように苗植付け部2の前後バランスが損なわれ
てしまうことが低減され、植付け深さは勿論のこと、各
肥料の施肥深さを可及的に一定にすることができて、植
付けおよび施肥作業を良好に行うことができる。In addition, the slow-acting fertilizer and the fast-acting fertilizer can be applied to two rows of fertilizers at different distances from each other in parallel with respect to the planting strip A. The soil immersion portion of the fertilizer nozzle 7 that is immersed in the ground and receives mud resistance is located in front of the position of the pivot shaft 6a of the gliding float 6, so that the mud resistance in the direction of lifting the front side of the gliding float 6 is increased. Receive. On the other hand, the grooved body 15 that receives the mud resistance in the second soil fertilizer application is behind the pivot position of the gliding float 6, and as a result, receives the mud resistance in the direction of lifting the rear side of the gliding float 6. As a result, despite the provision of the first and second soil fertilization means on the sliding float 6, the mud resistances received by the soil submerged portions of both soil fertilization means work in directions to cancel each other. This reduces the loss of the front-rear balance of the seedling planting part 2 as in the case where both soil immersion parts are arranged behind the pivot position, and the planting depth as well as fertilizer application of each fertilizer is reduced. The depth can be made as constant as possible, and planting and fertilization work can be performed well.
尚、本考案を実施するにあたり、遅効性肥料を施肥す
る手段としては、例えば繰出し溝付きの繰出しロール
を、前述したクランクアームの揺動で一方向に連続的に
回転させることで、繰出し溝に入り込んだ肥料を連続的
に施肥するようにしたものを採用できることは言うまで
もない。In carrying out the present invention, as a means for applying a slow-acting fertilizer, for example, a feeding roll with a feeding groove is continuously rotated in one direction by swinging the crank arm described above to form a feeding groove. It goes without saying that it is possible to adopt a fertilizer that is continuously fertilized.
[作用効果] 以上要するに、本考案は叙述の如く構成されたもので
あるから、作業条に対し、複数条の土中施肥作業を水田
作業と並行して行えることになつて、肥料作用に対応さ
せた施肥ができ、もつて追肥作業の回数を低減し得て、
作業労力の改善が計れる。[Effects and Effects] In short, since the present invention is configured as described above, it is possible to perform a plurality of soil fertilization works in parallel with the paddy work for the work strip, and to correspond to the fertilizer action. Fertilization can be performed, and the number of additional fertilization operations can be reduced,
Work effort can be improved.
しかも、複数条の施肥を並行して行う第一、第二の土
中施肥手段の各土中没入部うち、一方は滑走フロートの
枢支位置より前方に配され、他方は滑走フロートの枢支
位置より後方に配されるため、これら土中没入部に働く
泥土抵抗は、滑走フロートの前部側と後部側とをそれぞ
れ持ち上げる方向となつて互いに相殺され、この結果、
第一、第二の土中施肥手段を設けたにもかかわらず、各
土中没入部の何れをも滑走フロートの後部側に配したも
ののように、各土中没入部が受ける泥土抵抗が共に滑走
フロートの後部側を持ち上げる方向に働いてしまうこと
を回避し得て、水田作業部の前後バランスが損なわれて
しまうことを低減し、作業深さは勿論のこと、各施肥条
の施肥深さの精度を高くすることができる。Moreover, of the first and second soil fertilization means that perform multiple fertilizer applications in parallel, one of them is placed in front of the pivot position of the gliding float and the other is the pivot of the gliding float. Since it is arranged behind the position, the mud resistance acting on these submerged areas is offset by the direction of lifting the front side and the rear side of the gliding float, respectively, and as a result,
Despite the provision of the first and second soil fertilization means, both mud resistances received by each submerged area are the same as those in which each submerged area is arranged on the rear side of the gliding float. It is possible to avoid working in the direction of lifting the rear side of the gliding float, reducing the loss of the front-rear balance of the paddy field working unit, and not only the working depth but also the fertilization depth of each fertilizer row. The accuracy of can be increased.
図面は、本考案に係る水田作業機における土中施肥装置
の実施例を示したものであつて、第1図は水田作業機の
側面図、第2図は植付け部の要部拡大側面図、第3図は
同上要部拡大背面図、第4図は施肥パターンを示した作
用説明図である。 図中、5は植付爪、6は滑走フロート、7は施肥ノズ
ル、14は肥料ホース、Aは植付け条、Bは即効性施肥
条、Cは遅効性施肥条である。The drawings show an embodiment of a soil fertilizer applicator in a paddy field working machine according to the present invention, wherein FIG. 1 is a side view of the paddy field working machine, and FIG. 2 is an enlarged side view of a main part of a planting section, FIG. 3 is an enlarged rear view of the main part of the same as above, and FIG. 4 is an operation explanatory view showing a fertilization pattern. In the figure, 5 is a planting claw, 6 is a gliding float, 7 is a fertilizer application nozzle, 14 is a fertilizer hose, A is a planting strip, B is a fast-acting fertilizer strip, and C is a slow-acting fertilizer strip.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭63−26215(JP,U) 実開 昭63−33738(JP,U) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography Sho 63-26215 (JP, U) Sho 63-33738 (JP, U)
Claims (1)
て複数条の土中施肥を並行して行う第一、第二の土中施
肥手段の各土中没入部材を、前後方向中間部が揺動自在
に枢支される滑走フロートにそれぞれ取付けるにあた
り、前記第一、第二土中施肥手段の土中没入部材のうち
の一方は上記滑走フロートの枢支位置より前方に、他方
を滑走フロートの枢支位置より後方にそれぞれ配して前
後に分散して取付けたことを特徴とする水田作業機にお
ける土中施肥装置。1. The soil submersion members of the first and second soil fertilization means, which perform a plurality of soil fertilizations in parallel with respect to a work row for seedling planting work, sowing work, etc. When each part is attached to a sliding float pivotally supported, one of the first and second soil fertilizing means submerged members is placed in front of the pivoting position of the sliding float, and the other is attached. An soil fertilizer applicator for a paddy working machine, characterized in that the fertilizers are arranged rearward of the pivotal position of the gliding float and are distributed forward and backward.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988073927U JP2512809Y2 (en) | 1988-06-03 | 1988-06-03 | Fertilizer in soil for paddy working machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988073927U JP2512809Y2 (en) | 1988-06-03 | 1988-06-03 | Fertilizer in soil for paddy working machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01175521U JPH01175521U (en) | 1989-12-14 |
JP2512809Y2 true JP2512809Y2 (en) | 1996-10-02 |
Family
ID=31299051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988073927U Expired - Lifetime JP2512809Y2 (en) | 1988-06-03 | 1988-06-03 | Fertilizer in soil for paddy working machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2512809Y2 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6333738U (en) * | 1986-08-20 | 1988-03-04 |
-
1988
- 1988-06-03 JP JP1988073927U patent/JP2512809Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH01175521U (en) | 1989-12-14 |
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