CN104170568B - Straight cutting type intertillage hole fertilizer applicator - Google Patents
Straight cutting type intertillage hole fertilizer applicator Download PDFInfo
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- CN104170568B CN104170568B CN201410411412.4A CN201410411412A CN104170568B CN 104170568 B CN104170568 B CN 104170568B CN 201410411412 A CN201410411412 A CN 201410411412A CN 104170568 B CN104170568 B CN 104170568B
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Abstract
The invention relates to the field of agricultural machinery and in particular relates to a straight cutting type intertillage hole fertilizer applicator. The straight cutting type intertillage hole fertilizer applicator comprises a frame, a tension rack, a fertilization box and a fertilization mechanism, wherein the tension rack is arranged at one end of the frame; the fertilization box is connected with the fertilization mechanism through a fertilizer guide tube; the fertilization mechanism comprises a fertilization power device, a hole opening power device, an outer fertilizer guide tube, a hole opener, a hole opening lever and a linkage plate; the fertilization power device is fixedly arranged on the frame and is connected with the outer fertilizer guide tube; the upper end of the outer fertilizer guide tube is communicated with the fertilizer guide tube, and the lower end of the outer fertilizer guide tube is connected with the hole opener; one end of the hole opening lever is connected with one side of the hole opener, and the other end of the hole opening lever is connected with the linkage plate; one end of the linkage plate is connected with a piston rod of the hole opening power device; and the hole opening power device is fixedly arranged on the frame. According to the straight cutting type intertillage hole fertilizer applicator provided by the invention, chemical fertilizers can be accurately applied nearby crops, the crops can further effectively absorb nutrients of the chemical fertilizers, and the chemical fertilizer absorption efficiency is improved.
Description
Technical field
The present invention relates to agricultural mechanical field, in particular to one direct insertion intertillage cave-applied fertilizer machine.
Background technology
Present fertilizer distributor is all arrange ploughshare in fertilizer guiding tube front to ditch substantially, then to be imported by chemical fertilizer in the ditch that ploughshare leaves by fertilizer guiding tube, and such fertilization mode is linear fertilising or bar shaped fertilising.
The result of such fertilising causes the chemical fertilizer had close to crops, have away from crops, what not only make crops absorb is uneven, may cause in addition not absorbed from the chemical fertilizer away from crops, and the absorption ratio of chemical fertilizer is lower, thus causes waste.
Summary of the invention
The object of the present invention is to provide a kind of direct insertion intertillage cave-applied fertilizer machine, to solve the above problems.
Provide a kind of direct insertion intertillage cave-applied fertilizer machine in an embodiment of the present invention, comprise frame, tension frame, fertilizing box and at least one fertilizing mechanism;
Tension frame is arranged on one end of frame, for being connected to frame onward impulse with tractor;
Fertilizing box is arranged on above frame, is connected with the fertilizing mechanism be positioned at below frame by fertilizer guiding tube;
Fertilizing mechanism comprises fertilising power set, opens cave power set, outer fertilizer guiding tube, cave opener, opens cave lever and linkage board;
Fertilising power set are fixedly installed in frame;
Fertilising power set are connected with outer fertilizer guiding tube, and outer fertilizer guiding tube can be driven to move;
The upper end of outer fertilizer guiding tube is connected with fertilizer guiding tube, and lower end is connected with cave opener;
The side of the one end and cave opener of opening cave lever is connected, and the other end is connected with linkage board;
One end of linkage board connects the piston rod driving cave power set;
Drive cave power set to be fixedly installed in frame.
Further, cave opener comprises first and opens cave sheet and second and open cave sheet;
First opens cave sheet and second opens cave sheet and is combined rear formation cone;
First opens on the sheet of cave and is provided with the first gear, can rotate with the rotation of the first gear;
Second opens on the sheet of cave and is provided with the second gear, can rotate with the rotation of the second gear;
First gear and the second gears meshing;
First gear with open cave lever and be connected, can under the effect of opening cave lever, realize first and open cave sheet and second and open opening and closing between the sheet of cave.
Further, direct insertion intertillage cave-applied fertilizer machine also comprises main land wheel;
Main land wheel is connected with frame by land wheel support arm.
Further, direct insertion intertillage cave-applied fertilizer machine also comprises Triggering Control System;
Triggering Control System comprises data processor, proximity switch and time-delay relay;
Data processor, proximity switch and time-delay relay are all arranged in frame,
Proximity switch for monitoring main land wheel operating range, and transfers data to data processor;
After data processor receives the data of proximity switch, after judging that it reaches predetermined stroke, drive fertilizing mechanism to apply fertilizer, and be transferred to time-delay relay time delayed signal;
Time-delay relay with drive cave power set and be connected, for receive data processor signal after, time-delay closing drives cave power set.
Further, direct insertion intertillage cave-applied fertilizer machine also comprises ploughshare;
Ploughshare is connected with frame by earthing support arm.
Further, earthing support arm is connected with frame by adjustment structure;
Adjustment structure comprises U-shaped screw mandrel and fixed head;
Crossbeam in earthing support arm and frame is through U-shaped screw mandrel;
U-shaped screw mandrel is fixedly connected with by nut with fixed head.
Further, the power set of fertilizing mechanism are hydraulic cylinder.
Further, the power set of fertilizing mechanism are cylinder;
Frame is also provided with air compressor and air accumulator, and the atmosphere storage containing certain pressure produced during for the power take-off of tractor is exported rotatory force, in air accumulator, is cylinders providing power.
Further, outer fertilizer guiding tube tilts to away from tension frame direction;
The angle of inclination of outer fertilizer guiding tube is 60 °.
Direct insertion intertillage cave-applied fertilizer machine provided by the invention, by fertilising power set to fertilizing mechanism application point power, then provides folding power by the cave opener opened under the external fertilizer guiding tube of cave power set, and then realizes direct insertion cave-applied fertilizer.After position during fertilising is adjusted, chemical fertilizer can be executed near crops accurately, and then can allow the nutrient of the more effective absorption chemical fertilizer of crops, improve chemical fertilizer absorbance.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention's direct insertion intertillage cave-applied fertilizer machine;
Fig. 2 is the schematic top plan view of the present invention's direct insertion intertillage cave-applied fertilizer machine;
Fig. 3 is the present invention's direct insertion intertillage cave-applied fertilizer power plants structural representation;
Fig. 4 is adjust structure schematic diagram of the present invention.
In figure, 1: tension frame; 2: data processor; 3: fertile case; 4: frame; 5: adjustment structure; 6: earthing support arm; 7: ploughshare; 8: outer fertilizer guiding tube; 9: cave opener; 10: fertilizer guiding tube; 11: Triggering Control System; 12: main land wheel; 13: land wheel support arm; 14: fertilizing mechanism; 15: fertilising power set; 16: drive cave power set; 17: linkage board; 18: open cave lever; 19: the second gears; Open cave sheet at 20: the second; Open cave sheet at 21: the first; 22: the first gears; 23:U type screw mandrel; 24: fixed head.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, carry out clear, complete description by technical scheme of the present invention below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
As shown in drawings, direct insertion intertillage cave-applied fertilizer machine provided by the invention, comprises frame 4, tension frame 1, fertilizing box 3 and at least one fertilizing mechanism 14;
Tension frame 1 is arranged on one end of frame 4, for being connected to frame 4 onward impulse with tractor;
Fertilizing box 3 is arranged on above frame 4, is connected with the fertilizing mechanism 14 be positioned at below frame 4 by fertilizer guiding tube 10;
Fertilizing mechanism 14 comprises fertilising power set 15, opens cave power set 16, outer fertilizer guiding tube 8, cave opener 9, opens cave lever 18 and linkage board 17;
Fertilising power set 15 are fixedly installed in frame 4;
Fertilising power set 15 are connected with outer fertilizer guiding tube 8, and outer fertilizer guiding tube 8 can be driven to move;
The upper end of outer fertilizer guiding tube 8 is connected with fertilizer guiding tube 10, and lower end is connected with cave opener 9;
The one end of opening cave lever 18 is connected with the side of cave opener 9, and the other end is connected with linkage board 17;
One end of linkage board 17 connects the piston rod driving cave power set 16;
Drive cave power set 16 to be fixedly installed in frame 4.
Outer fertilizer guiding tube 8 is slidably socketed with fertilizer guiding tube 10, rises and accepts chemical fertilizer and positioning action; Cave opener 9 is hinged on outer fertilizer guiding tube 8 bottom, and the timing opening and closing driving cave power set 16, under the effect of opening cave lever 18 and linkage board 17, closes when cave opener 9 is descending completely, instantaneously time up opens, and plays storage, opens cave and discharge chemical fertilizer.
Fertilising power set 15 drive outer fertilizer guiding tube 8 descending, and now, drive cave power set 16 and do not start, cave opener 9 does not work.When the power set 15 that apply fertilizer drive outer fertilizer guiding tube 8 to come downwards to least significant end, namely cave opener 9 enters after in soil, drives cave power set 16 and starts, cave opener 9 works, carry out out cave, by the chemical fertilizer that enters from fertilizer guiding tube 10 in outer fertilizer guiding tube 8 under self gravitation effect, fall into the soil pit that cave opener 9 is outputed.Fall behind under chemical fertilizer, fertilising power set 15 start, and drive outer fertilizer guiding tube 8 up, open cave power set 16 delayed startup, and after having enough chemical fertilizer to discharge in outer fertilizer guiding tube 8, closed cave opener 9, completes fertilising work.
Further, cave opener 9 comprises first and opens cave sheet 21 and second and open cave sheet 20;
First opens cave sheet 21 and second opens cave sheet 20 and is combined rear formation cone;
First opens on cave sheet 21 and is provided with the first gear 22, can rotate with the rotation of the first gear 22;
Second opens on cave sheet 20 and is provided with the second gear 19, can rotate with the rotation of the second gear 19;
First gear 22 engages with the second gear 19;
First gear 22 with open cave lever 18 and be connected, can under the effect of opening cave lever 18, realize first and open cave sheet 21 and second and open opening and closing between cave sheet 20.
First open cave sheet 21 and second open cave sheet 20 closed after, the shape of outward appearance is cone, is cavity in it, is communicated with outer fertilizer guiding tube 8, chemical fertilizer can be made to open cave sheet 21 and second from first and open between cave sheet 20 and pass through.
Open first and cave sheet 21 arranges first can be driven to open the first gear 22 that cave sheet 21 rotates, open second and cave sheet 20 arranges second can be driven to open the second gear 19 that cave sheet 20 rotates, first gear 22 and the second gear 19 are engaged, make out cave lever 18 when drive first gear 22 rotates, the second gear 19 can be driven simultaneously to rotate round about.Open cave lever 18 by linkage board 17 with drive cave power set 16 and be connected, make out cave power set 16 that cave lever 18 can be driven out to move, and then control the folding condition of cave opener 9.
It is to be noted, driving cave power set 16 can be the centre position being connected to linkage board 17, and then the two ends of linkage board 17 can be connected with the cave lever 18 of opening in two cave openers 9 respectively, and then make one to drive cave power set 16 to drive two cave openers 9 to carry out synchronous on-off, improve operating efficiency, save the energy.
Further, direct insertion intertillage cave-applied fertilizer machine also comprises main land wheel 12;
Main land wheel 12 is connected with frame 4 by land wheel support arm 13.
Main land wheel 12 is arranged on the dead ahead of outer fertilizer guiding tube 8, by the support of main land wheel 12, effectively balances to transplanter at work, reduce the vibrations of fertilizing mechanism 14.
Further, direct insertion intertillage cave-applied fertilizer machine also comprises Triggering Control System 11;
Triggering Control System 11 comprises data processor 2, proximity switch and time-delay relay;
Data processor 2, proximity switch and time-delay relay are all arranged in frame 4,
Proximity switch for monitoring main land wheel 12 operating range, and transfers data to data processor 2;
After data processor 2 receives the data of proximity switch, after judging that it reaches predetermined stroke, drive fertilizing mechanism 14 to apply fertilizer, and be transferred to time-delay relay time delayed signal;
Time-delay relay with drive cave power set 16 and be connected, for receive data processor 2 signal after, time-delay closing drives cave power set 16.
Triggering Control System 11 provides electric power by volt power supply of 12 on tractor, relies on magnetic switch and time-delay relay etc. to be used for realizing the interlock of fertilizing mechanism 14.Main land wheel 12 often turns over certain angle when rotating or arc length lay a finger on switch, fertilising power set 15 and drive cave power set 16 do descending action under the control of data processor 2, up moment is started after going downwards to desired depth, the timing of Kai Xue mechanism is opened and keeps certain opening time, be slipped to soil to facilitate the chemical fertilizer be slipped in cave opener 9 from fertilizer guiding tube 10 in advance by deadweight, when the chemical fertilizer in fertile case 3 after being up to cave opener 9 opening and closing falls into by deadweight in fertilizer guiding tube 10 again, so move in circles and realize the continuous operation of direct insertion intertillage cave-applied fertilizer machine.
Further, direct insertion intertillage cave-applied fertilizer machine also comprises ploughshare 7;
Ploughshare 7 is connected with frame 4 by earthing support arm 6.
By the work of ploughshare 7, the soil between two fertilizing mechanisms 14 is translated on the soil pit outputed by fertilizing mechanism 14, chemical fertilizer is covered, thus can effectively avoid chemical fertilizer to be volatilized by the sun, and then reduce the absorption ratio of chemical fertilizer.
Further, earthing support arm 6 is connected with frame 4 by adjustment structure 5;
Adjustment structure 5 comprises U-shaped screw mandrel 23 and fixed head 24;
Crossbeam in earthing support arm 6 and frame 4 is through U-shaped screw mandrel 23;
U-shaped screw mandrel 23 is fixedly connected with by nut with fixed head 24.
Earthing support arm 6 is fixed on the crossbeam of frame 4 by U-shaped screw mandrel 23 and fixed head 24.When the height of ploughshare 7 needs adjustment, after loose nut, after loosening between the crossbeam making earthing support arm 6 and frame 4, adjustment ploughshare 7 to suitable height, then by nut screwing clamping.
It is to be noted, adjustment structure 5 can be the form of U-shaped screw mandrel 23 and fixed head 24, also can be other forms, multiple adjustment holes as different in rational height on earthing support arm 6, connect the adjustment of the height realized ploughshare 7 by bolt and different adjustment holes.
That is, as long as it can realize adjusting the height of ploughshare 7.
Further, the power set of fertilizing mechanism 14 are hydraulic cylinder.
Power set in fertilizing mechanism 14, as fertilising power set 15 with drive cave power set 16, it can be hydraulic cylinder, by the mode of hydraulic pressure, drives each parts to carry out work.
It is pointed out that it can be hydraulic cylinder, but be not only confined to hydraulic cylinder, it can also be other devices, as cylinder, as electric device etc., as long as can realize providing required power to parts each in transplanter.
Further, the power set of fertilizing mechanism 14 are cylinder;
Frame 4 is also provided with air compressor and air accumulator, and the atmosphere storage containing certain pressure produced during for the power take-off of tractor is exported rotatory force, in air accumulator, is cylinders providing power.
When applying fertilizer power set 15 and driving cave power set 16 for cylinder, air compressor and air accumulator can be set in frame 4, air accumulator is connected by pipeline with each cylinder.The part produced due to pressure when exporting rotatory force at the power take-off of tractor with the atmosphere storage of pressure, can provide certain source of the gas for each cylinder, and then can reduce power consumption and the energy resource consumption of cylinder in air accumulator.
Further, outer fertilizer guiding tube 8 tilts to away from tension frame 1 direction;
The angle of inclination of outer fertilizer guiding tube 8 is 60 °.
Angle-inserting type can make cave opener 9 more effectively be inserted in soil, carries out out cave.
Direct insertion intertillage cave-applied fertilizer machine provided by the invention, by fertilising power set 15 pairs of fertilizing mechanism 14 application point power, then provides folding power by the cave opener 9 opened under the external fertilizer guiding tube 8 of cave power set 16, and then realizes direct insertion cave-applied fertilizer.After position during fertilising is adjusted, chemical fertilizer can be executed near crops accurately, and then can allow the nutrient of the more effective absorption chemical fertilizer of crops, improve chemical fertilizer absorbance.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a direct insertion intertillage cave-applied fertilizer machine, is characterized in that, comprises frame, tension frame, fertilizing box and at least one fertilizing mechanism;
Described tension frame is arranged on one end of described frame, for being connected to described frame onward impulse with tractor;
Described fertilizing box is arranged on above described frame, is connected with the described fertilizing mechanism be positioned at below described frame by fertilizer guiding tube;
Described fertilizing mechanism comprises fertilising power set, opens cave power set, outer fertilizer guiding tube, cave opener, opens cave lever and linkage board;
Described fertilising power set are fixedly installed in described frame;
Described fertilising power set are connected with described outer fertilizer guiding tube, and described outer fertilizer guiding tube can be driven to move;
The upper end of described outer fertilizer guiding tube is connected with described fertilizer guiding tube, and lower end is connected with described cave opener;
Described one end of opening cave lever is connected with the side of described cave opener, and the other end is connected with described linkage board;
The piston rod of cave power set is opened described in one end connection of described linkage board;
Described cave power set of opening are fixedly installed in described frame.
2. direct insertion intertillage cave-applied fertilizer machine according to claim 1, is characterized in that, described cave opener comprises first and opens cave sheet and second and open cave sheet;
Described first opens cave sheet and described second opens cave sheet and is combined rear formation cone;
Described first opens on the sheet of cave and is provided with the first gear, can rotate with the rotation of described first gear;
Described second opens on the sheet of cave and is provided with the second gear, can rotate with the rotation of described second gear;
Described first gear and described second gears meshing;
Described first gear is connected with described cave lever of opening, can described open the effect of cave lever under, realize described first and open cave sheet and described second and open opening and closing between the sheet of cave.
3. direct insertion intertillage cave-applied fertilizer machine according to claim 1, is characterized in that, also comprise main land wheel;
Described main land wheel is connected with described frame by land wheel support arm.
4. direct insertion intertillage cave-applied fertilizer machine according to claim 3, is characterized in that, also comprise Triggering Control System;
Described Triggering Control System comprises data processor, proximity switch and time-delay relay;
Described data processor, described proximity switch and described time-delay relay are all arranged in described frame,
Described proximity switch for monitoring described main land wheel operating range, and transfers data to described data processor;
After described data processor receives the data of described proximity switch, after judging that it reaches predetermined stroke, drive described fertilizing mechanism to apply fertilizer, and be transferred to described time-delay relay time delayed signal;
Described time-delay relay is connected with described cave power set of opening, for receive described data processor signal after, drive cave power set described in time-delay closing.
5. direct insertion intertillage cave-applied fertilizer machine according to claim 1, is characterized in that, also comprise ploughshare;
Described ploughshare is connected with described frame by earthing support arm.
6. direct insertion intertillage cave-applied fertilizer machine according to claim 5, it is characterized in that, described earthing support arm is connected with described frame by adjustment structure;
Described adjustment structure comprises U-shaped screw mandrel and fixed head;
Crossbeam in described earthing support arm and described frame is through described U-shaped screw mandrel;
Described U-shaped screw mandrel is fixedly connected with by nut with described fixed head.
7. direct insertion intertillage cave-applied fertilizer machine according to claim 1, is characterized in that, the power set of described fertilizing mechanism are hydraulic cylinder.
8. direct insertion intertillage cave-applied fertilizer machine according to claim 1, is characterized in that, the power set of described fertilizing mechanism are cylinder;
Described frame is also provided with air compressor and air accumulator, and the atmosphere storage containing certain pressure produced during for the power take-off of tractor is exported rotatory force, in described air accumulator, is described cylinders providing power.
9. the direct insertion intertillage cave-applied fertilizer machine according to any one of claim 1-8, is characterized in that, described outer fertilizer guiding tube tilts to away from described tension frame direction;
The angle of inclination of described outer fertilizer guiding tube is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410411412.4A CN104170568B (en) | 2014-08-20 | 2014-08-20 | Straight cutting type intertillage hole fertilizer applicator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410411412.4A CN104170568B (en) | 2014-08-20 | 2014-08-20 | Straight cutting type intertillage hole fertilizer applicator |
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| CN104170568A CN104170568A (en) | 2014-12-03 |
| CN104170568B true CN104170568B (en) | 2015-06-03 |
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| CN201410411412.4A Active CN104170568B (en) | 2014-08-20 | 2014-08-20 | Straight cutting type intertillage hole fertilizer applicator |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105009760A (en) * | 2015-07-22 | 2015-11-04 | 重庆市双恩农机制造有限公司 | Quantitative fertilization machine |
| CN105009761A (en) * | 2015-07-22 | 2015-11-04 | 重庆市双恩农机制造有限公司 | Linkage fertilizer applicator |
| CN105191545A (en) * | 2015-07-30 | 2015-12-30 | 重庆市双恩农机制造有限公司 | Forced-type fertilizer device |
| CN108668541A (en) * | 2018-04-28 | 2018-10-19 | 重庆市保役农业开发有限责任公司 | A kind of crop fertilizer sowing mechanism |
| CN108834817B (en) * | 2018-06-17 | 2020-12-01 | 防城港澳加粮油工业有限公司 | Tree planting machine and control method |
| CN108966758A (en) * | 2018-06-30 | 2018-12-11 | 刘伟 | A kind of multi-purpose seed planter of adjustable-depth |
| CN109526312A (en) * | 2018-12-16 | 2019-03-29 | 郜鹏 | The lower local fertilizer drill of soil |
| CN110495383B (en) * | 2019-09-20 | 2021-10-22 | 湖南华旺茶叶有限公司 | A intelligent fertilizer distributor for production is planted to tealeaves |
| CN112913358B (en) * | 2021-01-25 | 2022-11-04 | 塔里木大学 | Root-protecting soil-loosening machine for Korla fragrant pear trees and soil-loosening method thereof |
| CN112997650B (en) * | 2021-02-22 | 2023-04-14 | 南京中枢讯飞信息技术有限公司 | Mulberry point fertilizer equipment of weaving planting usefulness |
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| DE2236958B2 (en) * | 1972-07-27 | 1976-09-09 | Wsesojusny nautschno-issledowatelski institut efiromaslitschnych kultur s GSKB, Simferopol'; Ukrainskij nautschnoissledowatelski institut mechanisazii i elektrifikazti selskowo chosjajstwa, Kiew; (Sowjetunion) | DEVICE FOR THE INTRODUCTION OF LIQUIDS IN COMBINATION WITH THINNING AGENTS OR TOXIC SUBSTANCES INTO THE SOIL |
| CN1012332B (en) * | 1988-08-31 | 1991-04-17 | 王者中 | Motor-driven chemical fertilizer hole-applicator |
| CN201467684U (en) * | 2009-07-17 | 2010-05-19 | 安徽省天马泵阀集团有限公司 | Paddy field chemical fertilizer deep application mechanism for rice transplanter |
| CN101611668A (en) * | 2009-07-23 | 2009-12-30 | 庄河市农业机械化技术推广站 | Fertilizer distributor |
| CN201789752U (en) * | 2010-07-24 | 2011-04-13 | 商战领 | Novel hydraulic hole fertilizer applicator |
| CN202285548U (en) * | 2011-08-15 | 2012-07-04 | 王建中 | Deep fertilization machine for fertilizer |
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