CN105009761A - Linkage fertilizer applicator - Google Patents

Linkage fertilizer applicator Download PDF

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Publication number
CN105009761A
CN105009761A CN201510431431.8A CN201510431431A CN105009761A CN 105009761 A CN105009761 A CN 105009761A CN 201510431431 A CN201510431431 A CN 201510431431A CN 105009761 A CN105009761 A CN 105009761A
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CN
China
Prior art keywords
fertilizer
ground
body tube
main body
frame
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.)
Pending
Application number
CN201510431431.8A
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Chinese (zh)
Inventor
刘友明
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.)
CHONGQING SHUANGEN AGRICULTURAL MACHINERY MANUFACTURING Co Ltd
Original Assignee
CHONGQING SHUANGEN AGRICULTURAL MACHINERY MANUFACTURING 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.)
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Application filed by CHONGQING SHUANGEN AGRICULTURAL MACHINERY MANUFACTURING Co Ltd filed Critical CHONGQING SHUANGEN AGRICULTURAL MACHINERY MANUFACTURING Co Ltd
Priority to CN201510431431.8A priority Critical patent/CN105009761A/en
Publication of CN105009761A publication Critical patent/CN105009761A/en
Pending legal-status Critical Current

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    • 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
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Abstract

The present invention relates to an externally-hung device of a cultivator, and in particular relates to a linkage fertilizer applicator; the linkage fertilizer applicator comprises a frame connected with the cultivator, a walking mechanism mounted on the frame, a fertilizer containing mechanism mounted on the frame, a ground-breaking mechanism and a fertilizer ejecting mechanism which are arranged on the lower part of the frame, a power mechanism, and a vertical reciprocating transmission mechanism connecting the power mechanism and the ground-breaking mechanism; the ground-breaking mechanism includes a body tube with a lower end opening, a ground-breaking head for closing the body tube opening, and a strutting device arranged in the body tube; and the body tube is slidably connected with the lower end of the frame. The linkage fertilizer applicator aims to solve the problem of fertilizer loss caused by non-stop fertilizer ejecting of the fertilizer ejecting of the fertilizer applicator of the cultivator in fertilizer application process, and the fertilizer application equipment with a fertilizer application position for effective absorption of crops is provided.

Description

Interlock fertilizer distributor
Technical field
The present invention relates to the external hanging device of cultivator, be specifically related to a kind of interlock fertilizer distributor.
Background technology
Chemical fertilizer is important capital goods in the agricultural sector.The application of chemical fertilizer, facilitates the very big growth of agricultural output.At present, the annual applying quantity of chemical fertilizer of China reaches 12,000 ten thousand tons, has become nitrogenous fertilizer and has consumed the first big country.But, China uses in a lot of place chemical fertilizer and adopts top when shedding on earth's surface by chemical fertilizer or topdress to execute or the top application of root side, in fertilizer, most of active ingredient is volatilized in atmosphere or runs off, only about 30% of utilization absorbed by crops, not only fertilizer efficiency is lost quite seriously, is caused great consumption, and can bring environmental pollution.A large amount of production practices prove, fertilizer deep placement is the effective technology measure improving fertilizer efficiency.Urea deep placement can improve fertilizer efficiency 30% than top application; Carbonic hydroammonium deep placement can improve fertilizer efficiency 50% ~ 104% than top application.
Fertilizer deep placement to refer to chemical fertilizer with mechanical or manual instrument by the quantity needed for crop growth situation and chemical fertilizer position effect, imposes on the degree of depth of following 6 ~ 1 Ocm of soil table.Be applied as master with dry crop at present, manpower, animal power and machinery all can reach deep placement requirement.If but N-dressed deeply is by manually ditching in (cave), covering and bury, then efficiency is lower, therefore, only by means of the fertilizer machinery of function admirable, could spread fertilizer deep placement technology.Method of fertilizing deeply mainly contains following three kinds:
1. deep placement base fertilizer: during arable land with fertilising scarification equipment or on mouldboard plow and ploughing and leveling machine for paddy field additional fertile case and fertilizer distributor, while ploughing by fertilizer deep placement in soil layer.
2. sow deep fertilizer spraying: seed manure often mixes with bed and executes by past mechanical planting fertilising, and chemical fertilizer directly contacts with seed, and the ammonium ion after chemical fertilizer decomposes and acid ion very easily corrode burn seed and seedlings root, when amount of application is large, occur to burn kind of a burning seedling phenomenon.And sowing simultaneously deep-fertilizing, due to kind, nutriment in a fertilizer from avoiding fertilizer damage, and can reduce chemical fertilizer loss effectively, reduce fertilizer application amount, promote volume increase.
Wherein, sowing deep fertilizer spraying can press the mutual alignment relation of seed and fertilizer, and sowing deep fertilizer spraying mode can be summarized as following 4 kinds.
A) normotopia deep placement (b) position deep placement, side (c) three-phase fertilising (d) normotopia layer by layer manuring
(1) normotopia deep fertilizer spraying, fertilizer, immediately below seed, has the soil layer that 3 ~ 5cm is thick between seed manure, usual lower soil humidity is comparatively large, and fertilizer is easy to be dissolved in soil.This method is conducive to crop root downward uniform growth in topsoil, is generally used for cereal sowing.
(2) position, side deep fertilizer spraying fertilizer is positioned at the dark 3 ~ 5cm place of seed one side-lower, and its effect is applied fertilizer similar to normotopia.Be dissolved in fertilizer nutrient in soil easily absorb by seedling sidepiece root system, but fertilizer efficiency is uneven, and root system easily grows to side.Apply more a kind of fertilization mode.
(3) three-phase fertilising i.e. two side deep fertilizings.This method is more obvious than one-sided deep fertilizer spraying effect, and directly absorb fertilizer nutrient after seed sprouting, fertility is bringd into play.
(4) point two-layer fertilising immediately below the fertile seed of normotopia layered deep placement.According to Heilungkiang test, this fertilizing method has positive effect.
3. deep placement topdresses: chemical fertilizer is executed the position, deep, side at crop root.Intertillage crop is used and topdresses, and normally on multipurpose cultivator, installs fertilizer apparatus and applicator boot realizes topdressing deep placement.Though can carry out cereal with manpower type dry land fertilizer deep placing device to topdress deep placement, efficiency is very low.
In existing deep placement top dressing technique, the mode of operation of cultivator fertilizer machinery is, plough is equipped with in the front portion of cultivator, and plough breaks ground, and then by being arranged on the fertilizer mechanism in the middle part of cultivator, is entered in ditch by fertilizer.This pattern Problems existing has certain spacing between crop, and fertilizer machinery is then fertilizer always, and except fertilizer that distance crop root is nearer obtains and absorbs preferably, most distance crop root fertilizer far away then can be wasted.
Summary of the invention
Invent fertilizer mechanism in order to solve existing cultivator fertilizer distributor in fertilising process always fertilizer cause the problem of fertilizer loss, provide a kind of position of discharging fertilizer more effectively to be equipped by the fertilising that crops absorb.
The present invention is achieved by the following technical solutions: interlock fertilizer distributor, comprise the frame be connected with cultivator, rack-mounted running gear, rack-mounted fertilizer holding mechanism, be arranged on break ground mechanism and the fertilizer mechanism of frame lower, and actuating unit, wherein, also comprise the vertical reciprocating transmission mechanism connecting actuating unit and mechanism of breaking ground, described mechanism of breaking ground comprises the main body tube of lower ending opening, close the head that breaks ground of main body tube opening, and the device for spreading be arranged in main body tube, described main body tube is connected with frame lower slide, the discharge soft pipe connection of described main body tube and fertilizer mechanism, there is in described main body tube a dead lever axially arranged, described dead lever one end is fixedly connected with frame, one end is provided with limited block, described device for spreading comprises axle sleeve and strut, described axle sleeve and dead lever are slidably connected, described strut one end is rotatably connected on axle sleeve, the other end is rotationally connected with the inwall of the head that breaks ground.
The invention has the beneficial effects as follows: the present invention's improvement main relative to the fertilizer machinery mentioned in background is mechanism of breaking ground to be combined together with fertilizer mechanism, and just can realize breaking ground and the interlock effect of fertilizer by a transmission mechanism, mechanism's such as the sliding plough that breaks ground in the prior art lasting is breaking soil, and fertilizer mechanism is equally also lasting fertilizer, and the present invention is provided with independently actuating unit, actuating unit drives mechanism of breaking ground vertical toward override interrupt by vertical reciprocating transmission mechanism, while punching, because the dead lever in main body tube is fixedly connected with frame, in the process that mechanism punches downwards of breaking ground, meeting and dead lever generation relative sliding, again because slip cap on dead lever has axle sleeve, limited block in the end of dead lever can when dead lever and axle sleeve relative sliding move to a certain degree and axle sleeve offset, before offseting with axle sleeve, the head that breaks ground all is carrying out this action of punching, only have dead lever that strut then can be driven to relatively rotate when offseting, make the action strutting the head that breaks ground, chemical fertilizer now in main body tube can enter in the hole of just being got by the head that breaks ground under the reusing of gravity, realize breaking ground and the action of fertilizer, the advantage of this programme is that operator restarts actuating unit by controlling power set to crops side, energy punching can't be wasted in remaining time, also fertilizer can not be wasted, punching has simultaneously linked to the action of the fertilizer material mechanism's cooperation dead lever that can break ground, without the need to many sets of transmission mechanism.
Further, the head that breaks ground described in is taper.Taper is broken ground and is easily inserted in soil first watch, and the energy expended is less.
Further, the head that breaks ground described in is made up of the block that breaks ground of at least two pieces of tapers.If only have one piece of block that breaks ground to form the head that breaks ground, the block that breaks ground needs the relatively large angle of rotation one just can make to open a larger mouth, chemical fertilizer in main body tube is discharged, and the block that breaks ground forming the head that breaks ground in theory is more, when the block that breaks ground rotates identical angle, the angle of opening will be larger.The efficiency of discharging fertilizer will be higher.
Further, break ground described between block and main body tube and be connected with torsion spring.When not arranging torsion spring, the block that breaks ground also can close under gravity, but closed tight ness rating is inadequate, may occur breaking ground mechanism under the landforms running into comparatively complexity, the head that breaks ground just opens discharge fertilizer when also not boring desired depth, use torsion spring to connect break ground block and main body tube, make to break ground when block was not subject to the effect of device for spreading and can not oneself open.
Further, also comprise control actuating unit start with close control circuit, and induction break ground mechanism side whether there are crops and signal is sent to control circuit inductor.Infrared inductor of the prior art is relatively universal, one piece of simple control panel coordinates infrared inductor just by controlling actuating unit thus realizing following functions, when induction installation senses that being interrupted fertilizer distributor side has crops, send signal to control control circuit, the then startup of control circuit controlling motive mechanism, actuating unit drives the head that breaks ground of mechanism of breaking ground to break ground punching, then spreading mechanism struts the head that breaks ground, discharge fertilizer, when the induction side of inductor does not have crops time, the head that breaks ground closes, break ground mechanism retraction.
Further, described actuating unit is cylinder, and reciprocating transmission mechanism is piston rod.Cylinder is comparatively common, easily controls and the high actuating unit repeatedly moved of control accuracy.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of structure of the present invention interlock fertilizer distributor embodiment;
Fig. 2 is the structural representation of perforation stage of mechanism of breaking ground in Fig. 1;
Fig. 3 is the structural representation in fertilizer material stage of mechanism of breaking ground in Fig. 1;
Fig. 4 is the upward view of Fig. 3;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Reference numeral: frame 1, stop collar 11, dead lever 12, limited block 121, running gear 2, fertilizer holding mechanism 3, mechanism 4 of breaking ground, actuating unit 5, cylinder 51, inductor 6, control circuit 7, covering blade 8, discharge flexible pipe 31, main body tube 41, the block 42 that breaks ground, torsion spring 421, axle sleeve 43, strut 44.
Embodiment
Interlock fertilizer distributor by reference to the accompanying drawings shown in 1, comprise the frame 1 be connected with cultivator, be arranged on the running gear 2 in frame 1, be arranged on the fertilizer holding mechanism 3 in frame 1, be arranged on break ground mechanism 4 and the fertilizer mechanism of frame 1 bottom, and actuating unit 5, wherein, also comprise the vertical reciprocating transmission mechanism connecting actuating unit 5 and mechanism 4 of breaking ground, as shown in Figure 2, mechanism 4 of breaking ground comprises the main body tube 41 of lower ending opening, close the head that breaks ground of main body tube 41 opening, and the device for spreading be arranged in main body tube 41, main body tube 41 is slidably connected with the stop collar 11 being fixed on frame 1 lower end, main body tube 41 is communicated with the discharge flexible pipe 31 of fertilizer mechanism, there is in main body tube 41 dead lever 12 axially arranged as shown in Figure 5, dead lever 12 one end is fixedly connected with frame 1, one end is provided with limited block 121, device for spreading comprises axle sleeve 43 and strut 44, axle sleeve 43 and dead lever 12 are slidably connected, strut 44 one end is rotatably connected on axle sleeve 43, the other end is rotationally connected with the inwall of the head that breaks ground.The head that breaks ground as shown in Figure 2 is taper.The head that breaks ground is made up of the block 42 that breaks ground of at least two pieces of tapers.The block 42 that breaks ground as shown in Figure 5 is connected by torsion spring 421 with main body tube 41.Also comprise control actuating unit 5 start with close control circuit 7, and induction break ground mechanism 4 side whether there are crops and signal is sent to control circuit 7 inductor 6.Actuating unit 5 is cylinder 51, and the piston rod of cylinder 51 is fixedly connected with main body tube 41.Frame 1 afterbody also has covering blade 8.
Result of use and each several part characteristic effect: the present invention's improvement main relative to the fertilizer machinery mentioned in background is mechanism 4 of breaking ground to be combined together with fertilizer mechanism, and just can realize breaking ground and the interlock effect of fertilizer by a transmission mechanism, mechanism 4 such as the sliding plough that breaks ground in the prior art lasting is breaking soil, and fertilizer mechanism is equally also lasting fertilizer, and the present invention is provided with independently actuating unit 5, actuating unit 5 drives mechanism 4 of breaking ground vertical toward override interrupt by vertical reciprocating transmission mechanism, while punching, because the dead lever 12 in main body tube 41 is fixedly connected with frame 1, as Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5, relative sliding can be there is with dead lever 12 in the downward process of punching of mechanism 4 of breaking ground, again because slip cap on dead lever 12 has axle sleeve 43, limited block 121 in the end of dead lever 12 is understood when dead lever 12 moves to a certain degree with axle sleeve 43 relative sliding and axle sleeve 43 offsets, before offseting with axle sleeve 43, the head that breaks ground all is carrying out this action of punching, only have dead lever 12 that strut 44 can be driven to relatively rotate when offseting, make the action strutting the head that breaks ground, chemical fertilizer now in main body tube 41 can enter in the hole of just being got by the head that breaks ground under the reusing of gravity, realize breaking ground and the action of fertilizer, the advantage of this programme is that operator restarts actuating unit 5 by controlling power set to crops side, energy punching can't be wasted in remaining time, also fertilizer can not be wasted, punching simultaneously coordinates dead lever 12 to link to the action of fertilizer material mechanism 4 of can breaking ground, without the need to many sets of transmission mechanism.The head that breaks ground is taper.Taper is broken ground and is easily inserted in soil first watch, and the energy expended is less.The head that breaks ground is made up of the block 42 that breaks ground of at least two pieces of tapers.If only have one piece of block 42 that breaks ground to form the head that breaks ground, the block 42 that breaks ground needs the relatively large angle of rotation one just can make to open a larger mouth, chemical fertilizer in main body tube 41 is discharged, and form the block more than 42 that breaks ground of the head that breaks ground in theory, when the block 42 that breaks ground rotates identical angle, the angle of opening will be larger.The efficiency of discharging fertilizer will be higher.The block 42 that breaks ground is connected by torsion spring 421 with main body tube 41.When not arranging torsion spring 421, the block 42 that breaks ground also can close under gravity, but closed tight ness rating is inadequate, may occur breaking ground mechanism 4 under the landforms running into comparatively complexity, the head that breaks ground just opens discharge fertilizer when also not boring desired depth, use torsion spring 421 to connect break ground block 42 and main body tube 41, make to break ground when block 42 was not subject to the effect of device for spreading and can not oneself open.Actuating unit 5 is cylinder, and the piston rod of cylinder is fixedly connected with main body tube 41.Cylinder is comparatively common, easily controls and the high actuating unit 5 repeatedly moved of control accuracy.Control actuating unit 5 start with close control circuit 7, and induction break ground mechanism 4 side whether there are crops and signal is sent to control circuit 7 inductor 6.Infrared inductor of the prior art is relatively universal, and one piece of simple control panel coordinates infrared inductor just by controlling actuating unit 5 thus realizing following functions.
During use, when induction installation senses that being interrupted fertilizer distributor side has crops, send signal to and control control circuit 7, the then startup of control circuit 7 controlling motive mechanism, actuating unit 5 drives the head that breaks ground of mechanism 4 of breaking ground to break ground punching, and then spreading mechanism struts the head that breaks ground, discharge fertilizer, when the induction side of inductor 6 does not have crops time, the head that breaks ground closes, and mechanism 4 of breaking ground bounces back.
Above is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.

Claims (6)

1. link fertilizer distributor, comprise the frame be connected with cultivator, rack-mounted running gear, rack-mounted fertilizer holding mechanism, be arranged on break ground mechanism and the fertilizer mechanism of frame lower, and actuating unit, it is characterized in that, also comprise the vertical reciprocating transmission mechanism connecting actuating unit and mechanism of breaking ground, described mechanism of breaking ground comprises the main body tube of lower ending opening, close the head that breaks ground of main body tube opening, and the device for spreading be arranged in main body tube, described main body tube is connected with frame lower slide, the discharge soft pipe connection of described main body tube and fertilizer mechanism, there is in described main body tube a dead lever axially arranged, described dead lever one end is fixedly connected with frame, one end is provided with limited block, described device for spreading comprises axle sleeve and strut, described axle sleeve and dead lever are slidably connected, described strut one end is rotatably connected on axle sleeve, the other end is rotationally connected with the inwall of the head that breaks ground.
2. link fertilizer distributor as claimed in claim 1, it is characterized in that, described in the head that breaks ground be taper.
3. link fertilizer distributor as claimed in claim 2, it is characterized in that, described in the head that breaks ground be made up of the block that breaks ground of at least two pieces of tapers.
4. link fertilizer distributor as claimed in claim 3, it is characterized in that, described in break ground between block and main body tube and be connected with torsion spring.
5. link fertilizer distributor as claimed in claim 1, it is characterized in that, also comprise control actuating unit start with close control circuit, and induction break ground mechanism side whether there are crops and signal is sent to control circuit inductor.
6. link fertilizer distributor as claimed in claim 5, it is characterized in that, described actuating unit is cylinder, and reciprocating transmission mechanism is piston rod.
CN201510431431.8A 2015-07-22 2015-07-22 Linkage fertilizer applicator Pending CN105009761A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106688408A (en) * 2016-11-22 2017-05-24 华南农业大学 Self-propelled variable-depth variable-position variable-amount fertilizer applicator for orchard
CN106817938A (en) * 2017-04-13 2017-06-13 海南大学 The automatic arable farming application all-in-one of coconut
CN109041716A (en) * 2018-08-24 2018-12-21 温州大学 Rupture of membranes formula vegetables and fruits fertilising auxiliary device
CN110612794A (en) * 2019-10-16 2019-12-27 湖南农业大学 Vertical soil-entering punching device for pot seedling transplanting and punching method thereof
CN111903298A (en) * 2019-05-09 2020-11-10 贵阳学院 Self-propelled punching, fertilizing and irrigating integrated equipment for lawn maintenance
CN111919568A (en) * 2020-08-13 2020-11-13 张梓垚 Nursery stock is planted and is used soil fertilizer injection unit
CN113638390A (en) * 2021-07-24 2021-11-12 王光伟 Construction engineering quality detects uses demolition ware
CN114128426A (en) * 2021-11-06 2022-03-04 曾约举 Automatic planting machine for mountainous region

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2270347Y (en) * 1996-06-13 1997-12-17 阜新市农业机械化研究所 Cultivator with fertilizer applicator
CN101803512A (en) * 2010-04-01 2010-08-18 重庆市双恩农机制造有限公司 Separation unit for rice-wheat combine harvester
CN203492340U (en) * 2013-08-29 2014-03-26 王海燕 Novel farm fertilizer applicator
CN203618333U (en) * 2013-11-30 2014-06-04 李培铜 Multifunctional fruit tree fertilizing machine
CN104170568A (en) * 2014-08-20 2014-12-03 开鲁县吉祥农机制造有限责任公司 Straight cutting type intertillage hole fertilizer applicator
CN204860025U (en) * 2015-07-22 2015-12-16 重庆市双恩农机制造有限公司 Linkage fertilizer distributor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2270347Y (en) * 1996-06-13 1997-12-17 阜新市农业机械化研究所 Cultivator with fertilizer applicator
CN101803512A (en) * 2010-04-01 2010-08-18 重庆市双恩农机制造有限公司 Separation unit for rice-wheat combine harvester
CN203492340U (en) * 2013-08-29 2014-03-26 王海燕 Novel farm fertilizer applicator
CN203618333U (en) * 2013-11-30 2014-06-04 李培铜 Multifunctional fruit tree fertilizing machine
CN104170568A (en) * 2014-08-20 2014-12-03 开鲁县吉祥农机制造有限责任公司 Straight cutting type intertillage hole fertilizer applicator
CN204860025U (en) * 2015-07-22 2015-12-16 重庆市双恩农机制造有限公司 Linkage fertilizer distributor

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106688408A (en) * 2016-11-22 2017-05-24 华南农业大学 Self-propelled variable-depth variable-position variable-amount fertilizer applicator for orchard
CN106688408B (en) * 2016-11-22 2019-04-19 华南农业大学 A kind of orchard is self-propelled to deepen displacement variable-rate fertilization
CN106817938A (en) * 2017-04-13 2017-06-13 海南大学 The automatic arable farming application all-in-one of coconut
CN109041716A (en) * 2018-08-24 2018-12-21 温州大学 Rupture of membranes formula vegetables and fruits fertilising auxiliary device
CN109041716B (en) * 2018-08-24 2020-04-03 温州大学 Broken diaphragm type vegetables and fruits fertilization auxiliary device
CN111903298A (en) * 2019-05-09 2020-11-10 贵阳学院 Self-propelled punching, fertilizing and irrigating integrated equipment for lawn maintenance
CN110612794A (en) * 2019-10-16 2019-12-27 湖南农业大学 Vertical soil-entering punching device for pot seedling transplanting and punching method thereof
WO2021073176A1 (en) * 2019-10-16 2021-04-22 湖南农业大学 Vertical soil-entering perforating device for pot seedling transplanting and perforating method therefor
CN110612794B (en) * 2019-10-16 2021-10-26 湖南农业大学 Vertical soil-entering punching device for pot seedling transplanting and punching method thereof
CN111919568A (en) * 2020-08-13 2020-11-13 张梓垚 Nursery stock is planted and is used soil fertilizer injection unit
CN113638390A (en) * 2021-07-24 2021-11-12 王光伟 Construction engineering quality detects uses demolition ware
CN114128426A (en) * 2021-11-06 2022-03-04 曾约举 Automatic planting machine for mountainous region

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