CN108966762A - A kind of novel seed manure gives no-till maize device - Google Patents
A kind of novel seed manure gives no-till maize device Download PDFInfo
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- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 35
- 240000008042 Zea mays Species 0.000 title claims description 33
- 210000003608 fece Anatomy 0.000 title claims 3
- 239000010871 livestock manure Substances 0.000 title claims 3
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 title 1
- 235000009973 maize Nutrition 0.000 title 1
- 239000003337 fertilizer Substances 0.000 claims abstract description 39
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims abstract description 34
- 235000005822 corn Nutrition 0.000 claims abstract description 34
- 238000009331 sowing Methods 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 230000004720 fertilization Effects 0.000 claims abstract description 22
- 238000010899 nucleation Methods 0.000 claims abstract description 8
- 238000003971 tillage Methods 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 30
- 238000001035 drying Methods 0.000 abstract description 7
- 241000209149 Zea Species 0.000 abstract 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000010902 straw Substances 0.000 description 5
- 244000025254 Cannabis sativa Species 0.000 description 4
- 230000001629 suppression Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002362 mulch Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000021393 food security Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/06—Seeders combined with fertilising apparatus
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
本发明公开一种种肥分施玉米免耕播种装置，属于现代农业装备领域，具体来说涉及一种新型十字槽开沟器与单圆盘刀相结合的玉米免耕播种装置。该装置由机架1、工作装置压力弹簧2、上连杆3、拉杆4、圆盘刀5、镇压轮压力弹簧一6、镇压轮压力弹簧二7、镇压轮固定连杆一8、镇压轮9、镇压轮固定连杆二10、施肥开沟横刀11、种肥管12、基肥管13、排种管14、芯铧式开沟器15、播种开沟横刀16、圆盘刀固定轴17、下连杆18组成。作业过程中开沟阻力小，土壤扰动小，高速播种下土壤侧抛量小，且能够实现种子、化肥的双侧分施及上下分层施肥，能够解决免耕播种过程中出现的晾种、晒种、烧种问题，一次施完种肥和基肥避免了后续复杂的追肥。
The invention discloses a corn no-till sowing device for separately applying seed fertilizer, which belongs to the field of modern agricultural equipment, and in particular relates to a corn no-till sowing device combined with a novel cross groove opener and a single disc knife. The device consists of a frame 1, a working device pressure spring 2, an upper connecting rod 3, a pull rod 4, a disc knife 5, a pressing wheel pressure spring 1, a pressing wheel pressure spring 2 7, a pressing wheel fixing link 8, and a pressing wheel 9. Fixing connecting rod 2 of the pressing wheel 10, fertilization and ditching horizontal knife 11, seed fertilizer pipe 12, base fertilizer pipe 13, seeding pipe 14, core share type ditch opener 15, sowing ditching horizontal knife 16, disc knife fixed Axle 17, lower connecting rod 18 form. During the operation, the ditching resistance is small, the soil disturbance is small, and the side throwing amount of the soil is small under high-speed sowing, and it can realize the double-sided application of seeds and fertilizers and the upper and lower layered fertilization, which can solve the problems of drying seeds, For the problem of drying and burning seeds, the seed fertilizer and base fertilizer are applied at one time to avoid subsequent complicated topdressing.
Description
技术领域technical field
本发明公开一种种肥分施玉米免耕播种装置，属于现代农业装备领域，具体来说涉及一种新型十字槽开沟器与单圆盘刀相结合的玉米免耕播种装置。The invention discloses a corn no-till sowing device for separately applying seed fertilizer, which belongs to the field of modern agricultural equipment, and in particular relates to a corn no-till sowing device combined with a novel cross groove opener and a single disc knife.
背景技术Background technique
我国是世界农业大国，第一产业就是农业，而农业中最为主要的农作物之一就是玉米，在我国北方最为主要的农作物就是玉米，同时也是产量最高的农作物之一。在当今的社会背景下，传统的种植模式已经很难让我国玉米种植效率得到满足，很多方面的矛盾也越发的显现出来。针对于这种现状，很多地区在进行玉米种植过程中都开始尝试应用新技术，它不但能够让劳动力得到减少，同时还能够在很大程度上提升玉米产量。最为重要的是新技术的应用，让当今我国玉米种植现状得以改善，在很大程度上推动了我国农业和国民经济的发展。my country is a big agricultural country in the world. The primary industry is agriculture, and one of the most important crops in agriculture is corn. The most important crop in northern my country is corn, and it is also one of the crops with the highest yield. Under today's social background, the traditional planting mode has been difficult to satisfy the efficiency of corn planting in my country, and the contradictions in many aspects are becoming more and more apparent. In response to this situation, many areas have begun to try to apply new technologies in the process of corn planting, which can not only reduce labor force, but also greatly increase corn production. The most important thing is the application of new technologies, which has improved the current situation of corn planting in China and promoted the development of my country's agriculture and national economy to a large extent.
保护性耕作是指通过少耕、免耕、地表微地形改造技术及地表覆盖、合理种植等综合配套措施，从而减少农田土壤侵蚀，保护农田生态环境，并获得生态效益、经济效益及社会效益协调发展的可持续农业技术。其核心技术包括少耕、免耕、缓坡地等高耕作、沟垄耕作、残茬覆盖耕作、秸秆覆盖等农田土壤表面耕作技术及其配套的保护性耕作专用机具等，保护性耕作机具——免耕播种机的作业质量直接影响到农作物的产量以及农业生产的成本，是保证国家粮食安全的必要措施。Conservation tillage refers to reducing soil erosion in farmland, protecting the ecological environment of farmland, and obtaining ecological, economic and social benefits through comprehensive supporting measures such as low-tillage, no-tillage, surface micro-terrain modification technology, surface coverage, and rational planting. development of sustainable agricultural technologies. Its core technologies include low-tillage, no-tillage, contour tillage on gentle slopes, furrow and ridge tillage, stubble mulch tillage, straw mulch and other farmland soil surface tillage technologies and supporting special machines for conservation tillage, etc. Conservation tillage machines - The operation quality of the no-tillage seeder directly affects the yield of crops and the cost of agricultural production, and is a necessary measure to ensure national food security.
在玉米机械化播种作业过程中，减少土壤扰动、减少耕作阻力以提高效率，避免跑墒，避免种肥沟内出现草土混杂的情况，并采用镇压方式是在干旱、半干旱地区玉米免耕播种的关键。我国玉米亩施肥量大，机具在播种时同时完成施肥，一次施肥完成种肥和基肥的分施，逐渐成为玉米种植业的新趋势。In the process of corn mechanized sowing, reduce soil disturbance, reduce tillage resistance to improve efficiency, avoid moisture loss, avoid grass-soil mixing in the fertilizer ditch, and use suppression methods to sow corn with no tillage in arid and semi-arid areas key. The amount of fertilization per mu of corn in my country is large, and the fertilization is completed at the same time when the machine is planted. One time of fertilization can complete the separate application of seed fertilizer and base fertilizer, which has gradually become a new trend in the corn planting industry.
在玉米免耕播种过程中将种子播在合适的土层上，而不使种子播到表层土壤上的秸秆上，以做到草土分离，确保种子覆土发芽是玉米免耕播种机所必需的功能。目前我国北方旱区和半干旱地区保护性耕作条件下现有玉米免耕播种机械在实际作业中存在跑墒严重土壤、草土分离能力不强、机具易堵塞、土壤扰动大及功耗大等问题。Sow the seeds on the appropriate soil layer during the no-tillage sowing process of corn, instead of sowing the seeds on the straw on the surface soil, so as to achieve the separation of grass and soil, and ensure the germination of seeds covered with soil is necessary for corn no-tillage planters Function. At present, under the condition of conservation tillage in the arid and semi-arid areas of northern my country, the existing corn no-till planting machinery has serious problems in actual operation, such as serious soil moisture loss, poor separation ability of grass and soil, easy blockage of machines, large soil disturbance and high power consumption, etc. question.
发明内容Contents of the invention
本文设计一种新型单圆盘与带两侧横刀的开沟器组合的双侧种肥分施及分层施肥的玉米免耕播种装置。该装置能有效解决玉米免耕播种过程中出现的草土混杂、土壤扰动过大、晾种、晒种、烧种等问题，提高种沟的蓄水保墒能力。该装置在一次作业过程中集破茬、开沟、施肥、播种、覆土、镇压等功能于一体，可明显减小工作阻力。This paper designs a new type of corn no-tillage sowing device with single disc and opener with horizontal blades on both sides for double-sided fertilization and layered fertilization. The device can effectively solve the problems of mixed grass and soil, excessive soil disturbance, drying, drying, burning and other problems in the no-tillage corn sowing process, and improve the water storage and moisture conservation capacity of the seed ditch. The device integrates the functions of breaking stubble, ditching, fertilizing, sowing, covering soil, and suppressing in one operation, which can significantly reduce the working resistance.
本发明是通过以下技术方案实现的：一种新型种肥分施玉米免耕播种装置，由机架1、工作装置压力弹簧2、上连杆3、拉杆4、圆盘刀5、镇压轮压力弹簧一6、镇压轮压力弹簧二7、镇压轮固定连杆一8、镇压轮9、镇压轮固定连杆二10、施肥开沟横刀11、种肥管12、基肥管13、排种管14、芯铧式开沟器15、播种开沟横刀16、圆盘刀固定轴17、下连杆18组成。The present invention is achieved through the following technical proposals: a new no-tillage sowing device for separately applying seed fertilizers to corn, which consists of a frame 1, a working device pressure spring 2, an upper connecting rod 3, a pull rod 4, a disc knife 5, and a pressing wheel pressure Spring one 6, pressing wheel pressure spring two 7, suppressing wheel fixed connecting rod one 8, suppressing wheel 9, suppressing wheel fixed connecting rod two 10, fertilization ditching horizontal knife 11, seed fertilizer pipe 12, base fertilizer pipe 13, seeding pipe 14, core share type ditch opener 15, sowing and ditching horizontal knife 16, disc knife fixed shaft 17, lower connecting rod 18 are formed.
整个机构左右对称，所述平行四杆仿形机构中机架1上设计有通过螺栓紧固直接与动力机固连的机构。工作装置压力弹簧2、上连杆3都铰接在圆盘刀5的左侧，并与机架1和拉杆4铰接，右侧构件与左侧对称；所述开沟施肥部件拉杆4上安装有圆盘刀固定轴17，圆盘刀5绕圆盘刀固定轴17转动，芯铧式开沟器15与拉杆4固连，排种管14与播种开沟横刀16固连，种肥管12与施肥开沟横刀11固连，基肥管13与芯铧式开沟器15固连；所述镇压部件镇压轮压力弹簧一6两端分别与拉杆4和镇压轮固定连杆二10铰接，镇压轮压力弹簧二7两端分别与拉杆4和镇压轮固定连杆一8铰接，镇压轮固定连杆一8与镇压轮固定连杆二10固连，拉杆4与镇压轮固定连杆二10铰接。The whole mechanism is left-right symmetrical, and the frame 1 in the parallel four-bar profiling mechanism is designed with a mechanism that is directly connected to the power machine through bolt fastening. The working device pressure spring 2 and the upper connecting rod 3 are all hinged on the left side of the disc knife 5, and are hinged with the frame 1 and the pull rod 4, and the right side member is symmetrical to the left side; The disc knife fixed shaft 17, the disc knife 5 rotates around the disc knife fixed shaft 17, the core share type ditch opener 15 is fixedly connected with the pull rod 4, the seed pipe 14 is fixedly connected with the sowing ditching horizontal knife 16, and the fertilizer pipe 12 is fixedly connected with the fertilization ditching horizontal knife 11, and the base fertilizer pipe 13 is fixedly connected with the core share type ditch opener 15; the two ends of the suppressing part, the suppressing wheel pressure spring one 6, are respectively hinged with the pull rod 4 and the suppressing wheel fixed connecting rod two 10 , the two ends of the pressing wheel pressure spring two 7 are respectively hinged with the pull bar 4 and the pressing wheel fixed connecting rod one 8, the pressing wheel fixed connecting rod one 8 is fixedly connected with the pressing wheel fixed connecting rod two 10, and the pull bar 4 is connected with the pressing wheel fixed connecting rod two 10 hinged.
本发明公开的新型种肥分施玉米免耕播种装置具有以下特点：No-tillage seeding device for no-tillage corn with different seed fertilizers disclosed by the present invention has the following characteristics:
(1)如图1、图2所示，该新型种肥分施玉米免耕播种装置的圆盘刀切断秸秆、杂草以及根茬，施肥开沟横刀在土壤表面以下特定的深度开出种肥沟，芯铧式开沟器在土壤表面以下特定的深度开出基肥沟，播种开沟横刀在土壤表面以下特定的深度开出种沟。种肥管施种肥以便玉米生长前期使用，基肥管施基肥以便玉米生长中、后期使用，种管播种玉米种子，在圆盘刀两侧分别播种施肥，在圆盘刀开沟正下方施基肥。减少了在播种过程中对土壤的扰动，一次作业即可实现基肥、种肥分层施肥，在地表下完成施肥、播种，避免了草土混杂和干湿土混合问题，最后镇压轮将土壤合拢并压实，保证良好的墒情，提供适宜的萌发环境。(1) As shown in Figure 1 and Figure 2, the disc knife of the new type of fertilizer-distributing corn no-tillage planting device cuts straw, weeds and root stubble, and the horizontal knife for fertilization and ditching is opened at a specific depth below the soil surface For the seed fertilizer ditch, the core share type opener opens the base fertilizer ditch at a specific depth below the soil surface, and the sowing ditch horizontal knife opens the seed ditch at a specific depth below the soil surface. The seed fertilizer tube is used to apply seed fertilizer for the early stage of corn growth, and the base fertilizer tube is applied for use in the middle and late stages of corn growth. . It reduces the disturbance of the soil during the sowing process, and can realize the layered fertilization of base fertilizer and seed fertilizer in one operation, and complete fertilization and sowing under the surface, avoiding the problems of mixing grass and soil and mixing dry and wet soil. Finally, the pressing wheel closes the soil And compact it to ensure good moisture and provide a suitable germination environment.
(2)该新型种肥分施玉米免耕播种装置具有结构简单，制造成本低，作业效率高的优点。一次作业可同时完成分层施肥及种肥分施、覆土、镇压等作业项目，表层土壤扰动小，提高种沟的蓄水保墒能力。(2) The new no-tillage sowing device for separately applying seed fertilizer to corn has the advantages of simple structure, low manufacturing cost and high operating efficiency. Layered fertilization, separate application of seed fertilizer, soil covering, and suppression can be completed at the same time in one operation. The disturbance of the surface soil is small, and the water storage and moisture conservation capacity of the seed ditch is improved.
附图说明Description of drawings
图1是新型单圆盘玉米免耕播种装置侧面示意图；Fig. 1 is a side schematic diagram of a novel single disc corn no-tillage sowing device;
图2是新型单圆盘玉米免耕播种装置俯视示意图；Fig. 2 is a top view schematic diagram of a novel single disc corn no-tillage planting device;
图3是新型单圆盘玉米免耕播种装置开沟器斜二测视图示意图；Fig. 3 is a schematic diagram of the oblique second measurement view of the opener of the new single disc corn no-tillage planting device;
图4是新型单圆盘玉米免耕播种装置开沟器正视图示意图；Fig. 4 is the schematic diagram of the front view of the ditch opener of the novel single disc corn no-tillage sowing device;
图5是新型单圆盘玉米免耕播种装置开沟器后视图示意图；Fig. 5 is a schematic view of the rear view of the opener of the novel single disc corn no-tillage sowing device;
图6是开沟器施肥播种效果示意图；Fig. 6 is a schematic diagram of the fertilization and seeding effect of the ditch opener;
图7是新型单圆盘玉米免耕播种装置三维示意图；Fig. 7 is a three-dimensional schematic diagram of a novel single disc corn no-tillage sowing device;
图8是新型单圆盘玉米免耕播种装置三维前视示意图；Fig. 8 is a three-dimensional front view schematic diagram of a novel single disc corn no-tillage planting device;
图9是新型单圆盘玉米免耕播种装置三维后视示意图。Fig. 9 is a schematic diagram of a three-dimensional rear view of a novel single disc corn no-tillage sowing device.
附图中各图例标记分别表示的意义如下：The meanings of the legend marks in the attached drawings are as follows:
机架1、工作装置压力弹簧2、上连杆3、拉杆4、圆盘刀5、镇压轮压力弹簧一6、镇压轮压力弹簧二7、镇压轮固定连杆一8、镇压轮9、镇压轮固定连杆二10、施肥开沟横刀11、种肥管12、基肥管13、排种管14、锄铲式开沟器15、播种开沟横刀16、单圆盘刀固定轴17、下连杆18Frame 1, working device pressure spring 2, upper connecting rod 3, pull rod 4, disc knife 5, pressure spring 1 of the pressing wheel 6, pressure spring 2 of the pressing wheel 7, fixed connecting rod 1 of the pressing wheel 8, pressing wheel 9, pressing Wheel fixing connecting rod 2 10, fertilization and ditching horizontal knife 11, seed fertilizer pipe 12, base fertilizer pipe 13, seeding pipe 14, hoe shovel type ditch opener 15, sowing ditching horizontal knife 16, single disc knife fixed shaft 17 , Lower connecting rod 18
具体实施方式Detailed ways
下面结合附图给出具体的实施例。Provide specific embodiments below in conjunction with accompanying drawings.
本发明的一个实施例是在干旱半干旱地区一次作业集成破茬、开沟、施肥、播种、镇压作业环节，具体如图1、图2所示。在动力机驱动下，播种机开始作业，圆盘刀5在机架自身压力、地表摩擦及动力机拉力的作用下破茬，切碎秸秆和根茬，并将秸秆杂草推向圆盘两侧，圆盘刀5后侧的施肥开沟横刀11、锄铲式开沟器15、播种开沟横刀16开始工作，在土壤下层分别开出基肥沟、种肥沟、种沟；在破茬、开沟的同时，播种施肥装置也开始工作，种子、种肥、基肥分别施到前面开出的种沟、种肥沟、基肥沟。随后镇压轮9开始覆土和镇压工作，以避免干湿土混合，确保种子与土壤紧密接触，避免晾种现象的出现以及避免水分蒸发来提供良好的墒情。本装置采用整体仿形机构，能够保证播深一致性，整个作业过程中开沟阻力小，土壤扰动小，高速播种下土壤侧抛量小，且能够实现种子、化肥的双侧分施及上下分层施肥，能够解决免耕播种过程中出现的晾种、晒种、烧种问题，一次施完种肥和基肥避免了后续复杂的追肥。One embodiment of the present invention integrates stubble breaking, ditching, fertilization, sowing, and suppression operations in one operation in arid and semi-arid areas, as shown in Fig. 1 and Fig. 2 . Driven by the power machine, the planter starts to work, and the disc cutter 5 breaks stubble under the action of the frame's own pressure, ground friction and power machine tension, chops straw and root stubble, and pushes the straw and weeds to both sides of the disc. Fertilization and ditching horizontal knife 11, hoe shovel type ditching device 15, planting ditching horizontal knife 16 on disc cutter 5 rear sides start work, respectively leave base fertilizer ditch, kind of fertilizer ditch, kind of ditch in soil lower layer; , While ditching, the sowing and fertilizing device also starts to work, and the seeds, seed fertilizer, and base fertilizer are respectively applied to the seed ditch, the seed fertilizer ditch, and the base fertilizer ditch that are opened in the front. Subsequent pressing wheel 9 starts covering soil and suppressing work, to avoid the mixing of dry and wet soil, ensure that the seeds are in close contact with the soil, avoid the occurrence of the phenomenon of drying seeds and avoid moisture evaporation to provide good moisture. The device adopts the overall profiling mechanism, which can ensure the consistency of the sowing depth. During the whole operation process, the ditching resistance is small, the soil disturbance is small, the side throwing amount of the soil is small under high-speed sowing, and it can realize the bilateral distribution of seeds and fertilizers and the up and down Layered fertilization can solve the problems of drying, drying, and burning seeds in the no-tillage sowing process. The seed fertilizer and base fertilizer are applied at one time to avoid subsequent complicated topdressing.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109156105A (en) * | 2018-11-06 | 2019-01-08 | 西北农林科技大学 | A kind of novel seed manure gives no-till maize device |
| CN112913458A (en) * | 2021-01-11 | 2021-06-08 | 中国农业大学 | Stubble cutting and soil covering type space layered fertilization device |
| CN113207363A (en) * | 2020-02-05 | 2021-08-06 | 中国农业机械化科学研究院呼和浩特分院有限公司 | Inverted T-shaped seedbed grooving mechanism |
| CN114885642A (en) * | 2022-04-15 | 2022-08-12 | 河北农业大学 | Full-layer fertilizing device and fertilizing and seeding machine |
| CN116210401A (en) * | 2023-03-13 | 2023-06-06 | 西北农林科技大学 | A device for suppressing ditching before covering soil |
| CN116235656A (en) * | 2023-02-24 | 2023-06-09 | 吉林省农业科学院 | Deep loosening layered fertilization peanut seeder |
| CN117441434A (en) * | 2023-12-14 | 2024-01-26 | 甘肃农业大学 | A kind of rapeseed wide seeding equipment with a furrowing and fertilizing mechanism and a seeding method |
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- 2017-06-05 CN CN201710431585.6A patent/CN108966762A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109156105A (en) * | 2018-11-06 | 2019-01-08 | 西北农林科技大学 | A kind of novel seed manure gives no-till maize device |
| CN113207363A (en) * | 2020-02-05 | 2021-08-06 | 中国农业机械化科学研究院呼和浩特分院有限公司 | Inverted T-shaped seedbed grooving mechanism |
| CN112913458A (en) * | 2021-01-11 | 2021-06-08 | 中国农业大学 | Stubble cutting and soil covering type space layered fertilization device |
| CN114885642A (en) * | 2022-04-15 | 2022-08-12 | 河北农业大学 | Full-layer fertilizing device and fertilizing and seeding machine |
| CN116235656A (en) * | 2023-02-24 | 2023-06-09 | 吉林省农业科学院 | Deep loosening layered fertilization peanut seeder |
| CN116210401A (en) * | 2023-03-13 | 2023-06-06 | 西北农林科技大学 | A device for suppressing ditching before covering soil |
| CN117441434A (en) * | 2023-12-14 | 2024-01-26 | 甘肃农业大学 | A kind of rapeseed wide seeding equipment with a furrowing and fertilizing mechanism and a seeding method |
| CN117441434B (en) * | 2023-12-14 | 2024-10-01 | 甘肃农业大学 | Rape broad-width sowing equipment with ditching and fertilizing mechanism and sowing method |
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