CN111972110A - Be applicable to soil depth root diffusion formula fertilizer slowly-releasing ware - Google Patents
Be applicable to soil depth root diffusion formula fertilizer slowly-releasing ware Download PDFInfo
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- CN111972110A CN111972110A CN202010772106.9A CN202010772106A CN111972110A CN 111972110 A CN111972110 A CN 111972110A CN 202010772106 A CN202010772106 A CN 202010772106A CN 111972110 A CN111972110 A CN 111972110A
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- release
- slow
- fertilizer
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/02—Special arrangements for delivering the liquid directly into the soil
- A01C23/023—Special arrangements for delivering the liquid directly into the soil for liquid or gas fertilisers
- A01C23/025—Continuous injection tools
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/70—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting wettability, e.g. drying agents
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
Abstract
The invention discloses a stepped root diffusion type fertilizer slow release device suitable for soil, which belongs to the technical field of fertilizer application, wherein drip irrigation and a fertilizer slow release agent are adopted for matching, the fertilizer slow release agent is dissolved and slowly released after meeting water to obtain a fertilizer solution, the fertilizer solution is guided into an oval slow release box and an oval quick release box along with the water flow, a capillary slow release diffuser distributed at the bottom end of the oval slow release box is used for carrying out capillary drainage diffusion on the fertilizer solution to the deep part of soil, the fertilizer solution guided into the oval quick release box is quickly diffused at a shallow soil layer through a plurality of permeation bulges, the release speed and the release amount of the fertilizer solution are far greater than the release effect of the capillary slow release diffuser, so that the fertilizer slow release device is more suitable for fertilizing some shallow crops, meanwhile, the top ends of the oval quick release boxes are directly communicated with an auxiliary drip irrigation pipe through a second drip pipe, when the fertilizer is not applied, a valve at the first drip, the irrigation of the soil can be realized.
Description
Technical Field
The invention relates to the technical field of fertilizer application, in particular to a diffusion type fertilizer slow-release device suitable for soil depth roots.
Background
The fertilizer is one of the material bases for agricultural production, contains various nutrient elements and rich organic matters, has the functions of promoting the propagation of microbes, improving soil structure, strengthening soil fertility, buffering capacity, stimulating crop growth, etc. after being applied, it can loosen soil, improve the ecological environment of root system and promote the growth of root system, so as to raise the waterlogging tolerance of crop The air and heat are more coordinated, the soil hardening is reduced, the water retention, the fertilizer retention, the ventilation and the promotion of root system development are facilitated, and a comfortable growing environment is provided for crops.
Most of the applied fertilizers are instant fertilizers, and most of the instant fertilizers are sprayed on soil by adopting a spraying machine. This traditional spray fertilization mode has certain defect: because the application speed is too fast, the fertilizer attached to the ground surface is easy to volatilize before being absorbed by the vegetation and is difficult to be completely absorbed by the vegetation; in order to solve the problems, the prior art also adopts buried fertilizer application, but the dug-pit fertilizer is buried in soil, so that the operation labor intensity is high, the production efficiency is low, the labor cost is high, and the fertilizing amount is uneven. For some crops with shallow root systems, the root systems of the crops are distributed at the shallow soil layer, the required nutrient amount and the required moisture amount of the soil with different depths are different, the operation is single by adopting an artificial buried fertilization mode, and the crops are difficult to fertilize according to the demands of the crops.
Therefore, a diffusion type fertilizer slow-release device suitable for the deep and shallow roots of the soil is provided to effectively solve the problems in the prior art.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a fertilizer slow-release device suitable for soil deep and shallow root diffusion, which is characterized in that drip irrigation and a fertilizer slow-release agent are adopted to be matched, the fertilizer slow-release agent is dissolved and slowly released after meeting water to obtain a fertilizer solution, the fertilizer solution is introduced into an oval slow-release box and an oval quick-release box along with water flow, a capillary slow-release diffuser distributed at the bottom end of the oval slow-release box is used for carrying out capillary drainage diffusion on the fertilizer solution to the deep part of soil, the fertilizer solution introduced into the oval quick-release box is quickly diffused at a shallow soil layer through a plurality of permeation drums, the release speed and the release amount of the fertilizer solution are far greater than those of the capillary slow-release diffuser, so that the fertilizer slow-release device is more suitable for fertilizing crops with shallow root systems, meanwhile, the top ends of the oval quick-release boxes are directly communicated with an auxiliary dropper through, and the valve at the first drop pipe is closed, so that the soil can be irrigated.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A fertilizer slow-release device suitable for soil depth root diffusion comprises a U-shaped embedding plate embedded in soil and a main irrigation pipe fixedly mounted at the top end of the U-shaped embedding plate, wherein auxiliary drip irrigation pipes communicated with the inside of the main irrigation pipe are arranged on two sides of the main irrigation pipe, a plurality of fertilizer filling slow-release shells are fixedly connected to the top end of the U-shaped embedding plate, a fertilizer slow-release agent is filled in the fertilizer filling slow-release shells, the fertilizer filling slow-release shells comprise lower candle-shaped bearing shells embedded and mounted on the U-shaped embedding plate, and upper ellipse-shaped covering shells fixedly mounted on the lower candle-shaped bearing shells, the top end of each upper ellipse-shaped covering shell is connected with the bottom end of each auxiliary drip irrigation pipe through a first dropper, a plurality of ellipse-shaped slow-release boxes hermetically connected with the bottom end of each lower candle-shaped bearing shell are fixedly connected to the bottom end of the U-shaped embedding plate, and a conduction cavity communicated with the top end of each ellipse-shaped slow-release box is arranged in each lower, a plurality of the equal fixedly connected with capillary slow-release diffuser in bottom of oval slow-release case is equipped with oval quick-release case between two liang of adjacent oval slow-release cases, the top of oval quick-release case and the interior top of board are buried underground to the U-shaped sealed linking mutually, the setting of linking mutually and intercommunication each other is mutually linked up with two oval slow-release cases that set up about the left and right sides respectively in both ends about oval quick-release case, and is a plurality of be equipped with a plurality of evenly distributed's infiltration swell on the lateral wall of oval quick-release case, the top fixedly connected with of board is a plurality of and the second burette that oval quick-release case position corresponds is buried underground to the U-shaped, the top of second burette is linked together with the bottom of assisting the drip irrigation pipe, the bottom of second burette runs through the U-shaped board of burying and extends to the top portion of oval quick-release case, and the valve is all.
Further, the fertilizer slow-release agent comprises an outer infiltration coating film on the outer side, an elastic boosting layer is filled on the upper side of the inner portion of the outer infiltration coating film, fertilizer granules which are butted against the elastic boosting layer are arranged at the bottom end of the elastic boosting layer, a plurality of release holes are formed in one side, close to the bottom end of the fertilizer granules, of the outer infiltration coating film, the outer infiltration coating film is used for water to permeate into the outer infiltration coating film, the fertilizer granules are instantly dissolved into solvent fertilizer after contacting water, the solvent fertilizer is permeated outwards through the release holes under the action of the difference of the inner and outer infiltration, and the outward permeation of the solvent fertilizer is facilitated under the action of the water absorption expansion of the elastic boosting layer.
Furthermore, the elastic boosting layer is a silica gel body, a plurality of strong water absorption bags are filled in the elastic boosting layer, the strong water absorption bags are high-molecular water absorption resin balls, an elastic film is coated on one side where the elastic boosting layer is connected with the fertilizer granules, and the silica gel body is filled with the high-molecular water absorption resin balls to facilitate expansion and extrusion.
Furthermore, both sides of the upper end part of the outer permeable coating film are connected with the inner wall of the upper elliptical covering shell through arc-shaped connecting sleeves, a water-absorbing fiber bearing ring used for bearing the bottom end part of the outer permeable coating film is attached to the inner wall of the lower candle-shaped bearing shell, a certain water flowing space is reserved between the outer wall of the fertilizer slow-release agent and the upper elliptical covering shell under the condition that the fertilizer slow-release agent is installed on the inner wall of the upper elliptical covering shell through the arc-shaped connecting sleeves, part of water permeates into the elastic boosting layer, and the other water is led out downwards through the water flowing space and is favorably led to fertilizer granules more uniformly when flowing through the water-absorbing fiber bearing ring.
Furthermore, the capillary slow-release diffuser comprises an inserting rod which is fixedly connected to the bottom end of the oval slow-release box and communicated with the oval slow-release box, a plurality of diffusion branches are distributed on the upper side wall and the lower side wall of the inserting rod, a plurality of outer seepage holes are formed in the side walls of the diffusion branches, and fertilizer solution led out downwards from the oval slow-release box slowly permeates into the deep soil through the diffusion branches.
Furthermore, a fiber adsorption ball is arranged at the joint of the insertion rod and the oval slow release box, capillary fiber tubes are inserted into the diffusion branches, and the upper end parts of the capillary fiber tubes are connected and connected with the bottom end part of the fiber adsorption ball.
Furthermore, the top end portions of the oval quick-release box and the oval slow-release box are mutually connected, the oval quick-release box and the oval slow-release box are communicated through a plurality of permeation holes, after a certain storage amount is achieved in the oval slow-release box, a fertilizer solvent is introduced into the oval quick-release box through the permeation holes, and the fertilizer solvent in the oval quick-release box is introduced into soil close to the ground surface through a plurality of permeation bulges.
Furthermore, the infiltration swell is the half ellipse shape cavity casing of fixed connection on the quick-release case outer end lateral wall of ellipse shape, seted up a plurality of filtration pores on the half ellipse shape cavity casing, and the half ellipse shape cavity casing is filled with globular cellucotton granule, and the capillary permeability of globular cellucotton granule is far greater than the capillary permeability of capillary slow-release diffuser to fertilizer solution more distributes in a certain extent and spreads in shallow soil layer department.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the fertilizer solution is obtained by adopting the matching of drip irrigation and the fertilizer slow-release agent, the fertilizer slow-release agent is dissolved and slowly released after meeting water, the fertilizer solution is introduced into the oval slow-release box and the oval quick-release box along with water flow, the capillary slow-release diffuser distributed at the bottom end of the oval slow-release box is used for performing capillary drainage diffusion on the fertilizer solution to the deep part of soil, the fertilizer solution introduced into the oval quick-release box is quickly diffused at a shallow soil layer through a plurality of permeation bulges, the release speed and the release amount of the fertilizer solution are far greater than the release effect of the capillary slow-release diffuser, so that the fertilizer is more suitable for the fertilization of crops with shallow roots, meanwhile, the top ends of the oval quick-release boxes are directly communicated with the auxiliary drip irrigation pipes through the second dropper, when the fertilizer is not applied, the valve at the first drip.
(2) The fertilizer slow-release agent comprises an outer permeable coating film on the outer side, an elastic boosting layer is filled on the upper side inside the outer permeable coating film, fertilizer granules which are connected with the bottom end of the elastic boosting layer in an abutting mode are arranged at the bottom end of the elastic boosting layer, a plurality of release holes are formed in the side, close to the bottom end of the fertilizer granules, of the outer permeable coating film, the outer permeable coating film is used for water permeation inside the outer permeable coating film, when the fertilizer granules are in contact with water, the fertilizer granules can be dissolved into solvent fertilizer quickly, and permeate outwards through the release holes under the effect of poor internal and external permeation, the elastic boosting layer is a silica gel body, a plurality of strong water absorbing capsules are filled in the elastic boosting layer, the strong water absorbing capsules are high-polymer water absorbing resin balls, the elastic boosting layer and the fertilizer granules are connected, the elastic boosting layer is coated with the elastic film, the plurality of high-polymer water.
(3) The two sides of the upper end part of the outer infiltration coating film are connected with the inner wall of the upper oval cover shell through arc-shaped connecting sleeves, a water absorption fiber bearing ring used for bearing the bottom end part of the outer infiltration coating film is attached to the inner wall of the lower candle-shaped bearing shell, a certain water flowing space is reserved between the outer wall of the fertilizer slow-release agent and the upper oval cover shell under the condition that the arc-shaped connecting sleeves and the inner wall of the upper oval cover shell are installed, part of water permeates into the elastic boosting layer, and the other water is led out downwards through the water flowing space.
(4) The tip portion of ellipse shape quick-release case and ellipse shape slowly-releasing case links up each other the setting, and is linked together through a plurality of infiltration holes between ellipse shape quick-release case and the ellipse shape slowly-releasing case, reaches certain memory space in the ellipse shape slowly-releasing case after, imports into the ellipse shape quick-release case with fertilizer solvent through the infiltration hole, and fertilizer solvent in the ellipse shape quick-release case imports into the soil that is comparatively close the earth's surface through a plurality of infiltration swell.
(5) The capillary slow-release diffuser comprises an insertion rod fixedly connected to the bottom end of the oval slow-release box and communicated with the oval slow-release box, a plurality of diffusion branches are distributed on the upper side wall and the lower side wall of the insertion rod, a plurality of external seepage holes are formed in the side walls of the diffusion branches, a fiber adsorption ball is arranged at the joint of the insertion rod and the oval slow-release box, capillary fiber tubes are inserted into the diffusion branches, the upper end portions of the capillary fiber tubes are connected with each other and connected to the bottom end portion of the fiber adsorption ball, and fertilizer solution led out downwards from the oval slow-release box slowly permeates into soil in the deep position through the diffusion branches.
(6) The infiltration swell is the half ellipse shape cavity casing of fixed connection on the quick-release case outer end lateral wall of ellipse shape, has seted up a plurality of filtration holes on the half ellipse shape cavity casing, and the half ellipse shape cavity casing is filled with globular cellucotton granule, and the capillary permeability of globular cellucotton granule is far more than the capillary permeability of capillary slow-release diffuser to fertilizer solution more distributes in a certain extent and spreads in shallow soil layer department.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a perspective view of the junction of an oval slow release box and an oval quick release box according to the present invention;
FIG. 4 is an exploded view of the fertilizer of the present invention where the slow release shell is filled;
FIG. 5 is a cross-sectional view of the fertilizer slow release shell and fertilizer slow release agent combination of the present invention;
fig. 6 is a cross-sectional view of a junction of an oblong sustained release chamber and a capillary sustained release diffuser in accordance with the present invention.
The reference numbers in the figures illustrate:
1U-shaped embedding plate, 2 main irrigation pipes, 3 auxiliary irrigation pipes, 4 fertilizer filling slow-release shells, 401 lower candle-shaped bearing shells, 402 upper oval covering shells, 5 first droppers, 6 capillary slow-release diffusers, 601 inserted rods, 602 diffusion branches, 603 fiber adsorption balls, 604 capillary fiber pipes, 7 fertilizer slow-release agents, 701 outer permeable coating films, 702 fertilizer granules, 703 release holes, 704 elastic boosting layers, 705 strong water absorption capsules, 8 oval slow-release boxes, 9 oval quick-release boxes, 10 permeable drums, 11 permeable holes and 12 second droppers.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2 and 4-5, a fertilizer slow-release device suitable for soil depth root diffusion comprises a U-shaped buried plate 1 buried in soil and a main irrigation pipe 2 fixedly installed at the top end of the U-shaped buried plate 1, the main irrigation pipe 2 is externally connected with a water inlet pipe, two sides of the main irrigation pipe 2 are provided with auxiliary drip irrigation pipes 3 communicated with the inside thereof, the top end of the U-shaped buried plate 1 is fixedly connected with a plurality of fertilizer filling slow-release shells 4, the fertilizer slow-release shells 4 are filled with fertilizer slow-release agents 7, the fertilizer filling shells 4 comprise lower candle-shaped bearing shells 401 mounted on the U-shaped buried plate 1 in an embedded manner and upper oval-shaped covering shells 402 fixedly installed on the lower candle-shaped bearing shells 401, the top ends of the upper oval-shaped covering shells 402 are connected with the bottom ends of the auxiliary drip irrigation pipes 3 through first drip pipes 5, irrigation water is introduced into the fertilizer filling slow-release shells 4 from the first drip pipes 5, the fertilizer slow-release agent 7 is soaked and permeated, the fertilizer slow-release agent 7 comprises an outer permeation coating film 701 on the outer side, an elastic boosting layer 704 is filled on the upper side inside the outer permeation coating film 701, a fertilizer granule 702 butted against the elastic boosting layer 704 is arranged at the bottom end of the elastic boosting layer 704, a plurality of release holes 703 are formed in one side, close to the bottom end of the fertilizer granule 702, of the outer permeation coating film 701, the outer permeation coating film 701 is used for water to permeate into the outer permeation coating film, the fertilizer granule 702 is instantly dissolved into a fertilizer solution after contacting with water, the fertilizer solution permeates outwards through the release holes 703 under the action of poor inner and outer permeation, and the elastic boosting layer 704 is more favorable for pushing the solvent fertilizer to permeate outwards under the action of water absorption and expansion.
Referring to fig. 4-5, the elastic boosting layer 704 is a silica gel body, the elastic boosting layer 704 is filled with a plurality of strong water-absorbing capsules 705, the strong water-absorbing capsules 705 are high molecular water-absorbing resin balls, the elastic boosting layer 704 is coated with an elastic film at the side connected with the fertilizer granules 702, the silica gel body is filled with a plurality of high molecular water-absorbing resin balls for expansion and extrusion, in addition, both sides of the upper end of the outer penetration coating film 701 are connected with the inner wall of the upper elliptical cover shell 402 through arc-shaped connecting sleeves, the inner wall of the lower candle-shaped support shell 401 is adhered with a water-absorbing fiber support ring for supporting the bottom end of the outer penetration coating film 701, the fertilizer slow-releasing agent 7 is mounted with the inner wall of the upper elliptical cover shell 402 through arc-shaped connecting sleeves, a certain water flowing space reserved between the outer wall of the fertilizer slow-releasing agent 7 and the upper elliptical cover shell 402, and part of water permeates into the elastic boosting layer 704, the other water is led out downwards through the water flowing space, and when flowing through the water absorption fiber bearing ring, the water is guided to the fertilizer granules 702 uniformly.
Referring to fig. 2-3, a plurality of oval slow-release boxes 8 hermetically connected with the bottom of the lower candle-shaped supporting shell 401 are fixedly connected to the bottom of the U-shaped embedding plate 1, a conducting cavity communicated with the top of the oval slow-release boxes 8 is formed inside the lower candle-shaped supporting shell 401, the bottom of each oval slow-release box 8 is fixedly connected with a capillary slow-release diffuser 6, the fertilizer solution introduced into the oval slow-release boxes 8 can be slowly released to the deep part of the soil through the capillary slow-release diffusers 6 to supplement the fertilizer and water to the deep soil, an oval fast-release box 9 is arranged between every two adjacent oval slow-release boxes 8, the oval fast-release boxes 9 are installed inside the U-shaped embedding plate 1, when the U-shaped embedding plate 1 of the device is embedded below the ground surface of the soil, the oval fast-release boxes 9 are located at the shallow soil layer, the top of the oval fast-release boxes 9 is hermetically connected with the inner top of the U-shaped embedding plate 1, the left end and the right end of the oval quick-release box 9 are respectively connected with the left oval slow-release box 8 and the right oval slow-release box 8 and are arranged in a mutually communicated mode, a plurality of uniformly distributed permeation bulges 10 are arranged on the outer side wall of the oval quick-release boxes 9, the oval quick-release boxes 9 and the top end of the oval slow-release boxes 8 are arranged in a mutually connected mode, the oval quick-release boxes 9 and the oval slow-release boxes 8 are communicated through a plurality of permeation holes 11, the permeation and drainage speed of the capillary slow-release diffuser 6 is low, when the fertilizer solution in the oval slow-release boxes 8 reaches a certain storage amount, the fertilizer solution is continuously introduced into the oval quick-release boxes 9 through the permeation holes 11, and the fertilizer solution in the oval quick-release boxes 9 is rapidly introduced into shallow soil close to the ground surface through the plurality of permeation bulges 10.
The permeable drum 10 is a semi-elliptic hollow shell fixedly connected to the outer end side wall of the elliptic quick release box 9, a plurality of filtering holes are formed in the semi-elliptic hollow shell, spherical cellucotton particles are filled in the semi-elliptic hollow shell, and the capillary permeability of the spherical cellucotton particles is far greater than that of the capillary slow release diffuser 6, so that more fertilizer solution is distributed and diffused in the shallow soil layer to a certain extent, and the fertilizer solution stored in the elliptic slow release box 8 is slowly released to the deep soil through the capillary slow release diffuser 6.
Referring to fig. 3 and fig. 6, specifically, the capillary slow-release diffuser 6 includes an inserting rod 601 fixedly connected to the bottom end of the oval slow-release box 8 and communicated with the oval slow-release box, a plurality of diffusing branches 602 are distributed on the upper and lower sidewalls of the inserting rod 601, a plurality of external seepage holes are formed on the sidewalls of the diffusing branches 602, the fertilizer solution led out from the oval slow-release box 8 downwards slowly permeates into the deep soil through the diffusing branches 602, fiber adsorbing balls 603 are arranged at the joint of the inserting rod 601 and the oval slow-release box 8, capillary fiber tubes 604 are inserted into the diffusing branches 602, and the upper end parts of the capillary fiber tubes 604 are connected to the bottom end parts of the fiber adsorbing balls 603.
In addition, the top end of the U-shaped burying plate 1 is fixedly connected with a plurality of second dropper pipes 12 corresponding to the position of the oval quick release box 9, the top ends of the second dropper pipes 12 are communicated with the bottom end of the auxiliary drip irrigation pipe 3, the bottom ends of the second dropper pipes 12 penetrate through the U-shaped burying plate 1 and extend to the top end of the oval quick release box 9, the top ends of the oval quick release box 9 are directly communicated with the auxiliary drip irrigation pipe 3 through the second dropper pipes 12, and valves are installed at the top ends of the second dropper pipes 12 and the first dropper pipe 5.
According to the invention, through the matching of drip irrigation and a fertilizer slow-release agent, the fertilizer slow-release agent is dissolved and slowly released after meeting water to obtain a fertilizer solution, the fertilizer solution is introduced into the oval slow-release box 8 and the oval quick-release box 9 along with water flow, the capillary slow-release diffuser 6 distributed at the bottom end of the oval slow-release box 8 is used for performing capillary drainage diffusion on the fertilizer solution to the deep part of soil, the fertilizer solution introduced into the oval quick-release box 9 is diffused at a shallow soil layer through the plurality of permeation bulges 10, the release speed and the release amount of the fertilizer solution are far greater than the release effect of the capillary slow-release diffuser 6, so that the fertilizer is more suitable for the fertilization of crops with shallow root systems, meanwhile, the top ends of the oval quick-release boxes 9 are directly communicated with the auxiliary drip irrigation pipes 3 through the second dropper 12, and when the fertilizer is not fertilized, the valve at the first dropper 5.
The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a be applicable to soil depth root diffusion formula fertilizer slow-release devices, buries board (1) and main irrigation pipe (2) fixedly mounted in board (1) top are buried underground in the U-shaped of soil inside including burying underground, its characterized in that: the two sides of the main irrigation pipe (2) are provided with auxiliary drip irrigation pipes (3) communicated with the interior of the main irrigation pipe, the top end of the U-shaped embedding plate (1) is fixedly connected with a plurality of fertilizer filling slow-release shells (4), the fertilizer filling slow-release shells (4) are filled with fertilizer slow-release agents (7), each fertilizer filling slow-release shell (4) comprises a lower candle-shaped bearing shell (401) embedded and installed on the U-shaped embedding plate (1) and an upper oval-shaped covering shell (402) fixedly installed on the lower candle-shaped bearing shell (401), the top end of the upper oval-shaped covering shell (402) is connected with the bottom end of the auxiliary drip irrigation pipe (3) through a first dropper (5), the bottom end of the U-shaped embedding plate (1) is fixedly connected with a plurality of oval-shaped slow-release boxes (8) hermetically connected with the bottom end of the lower candle-shaped bearing shell (401), and a conduction cavity communicated with the top end of the oval-shaped slow-release boxes (8) is arranged in the lower candle-shaped bearing shell, the bottom ends of the oval slow-release boxes (8) are fixedly connected with capillary slow-release diffusers (6);
an oval quick-release box (9) is arranged between every two adjacent oval slow-release boxes (8), the top end of the oval quick-release box (9) is hermetically connected with the inner top end of the U-shaped embedding plate (1), the left end and the right end of the oval quick-release box (9) are respectively connected with two oval slow-release boxes (8) arranged on the left and the right and are communicated with each other, a plurality of permeation bulges (10) which are uniformly distributed are arranged on the outer side walls of the oval quick-release boxes (9), the top end of the U-shaped burying plate (1) is fixedly connected with a plurality of second droppers (12) corresponding to the position of the oval quick-release box (9), the top end of the second dropper (12) is communicated with the bottom end of the auxiliary drip irrigation pipe (3), the bottom end of the second dropper (12) penetrates through the U-shaped buried plate (1) and extends to the top end of the oval quick-release box (9), and valves are arranged at the top ends of the second droppers (12) and the first droppers (5).
2. The fertilizer slow-release device applicable to soil deep and shallow root diffusion of claim 1, wherein: the fertilizer slow-release agent (7) comprises an outer permeable coating film (701) on the outer side, an elastic boosting layer (704) is filled on the upper side inside the outer permeable coating film (701), fertilizer granules (702) which are abutted against the elastic boosting layer (704) are arranged at the bottom end of the elastic boosting layer (704), and a plurality of release holes (703) are formed in one side, close to the bottom end of the fertilizer granules (702), of the outer permeable coating film (701).
3. The fertilizer slow-release device applicable to diffusion of soil deep and shallow roots according to claim 2, wherein the elastic boosting layer (704) is a silica gel body, a plurality of strong water absorbing capsules (705) are filled in the elastic boosting layer (704), the strong water absorbing capsules (705) are high-molecular water absorbing resin balls, and an elastic membrane is coated on one side of the elastic boosting layer (704) which is connected with the fertilizer granules (702).
4. The fertilizer slow-release device applicable to soil deep and shallow root diffusion of claim 3, wherein: the upper end both sides of outer infiltration coating film (701) all are connected the setting through arc linking cover and the inner wall of last ellipse cover shell (402), the inner wall of candle support shell (401) is pasted on and is had the fibre that absorbs water bearing ring that is used for bearing the setting to outer infiltration coating film (701) bottom portion.
5. The fertilizer slow-release device applicable to soil deep and shallow root diffusion of claim 1, wherein: the capillary slow-release diffuser (6) comprises an inserting rod (601) which is fixedly connected to the bottom end of the oval slow-release box (8) and communicated with the oval slow-release box, a plurality of diffusing branches (602) are distributed on the upper side wall and the lower side wall of the inserting rod (601), and a plurality of outer seepage holes are formed in the side walls of the diffusing branches (602).
6. The fertilizer slow-release device applicable to soil deep and shallow root diffusion of claim 5, wherein: fiber adsorption balls (603) are arranged at the joint of the insertion rod (601) and the oval slow-release box (8), capillary fiber tubes (604) are inserted into the diffusion branches (602), and the upper end parts of the capillary fiber tubes (604) are connected and connected with the bottom end parts of the fiber adsorption balls (603).
7. The fertilizer slow-release device applicable to soil deep and shallow root diffusion of claim 1, wherein: the top end parts of the oval quick-release box (9) and the oval slow-release box (8) are mutually connected, and the oval quick-release box (9) and the oval slow-release box (8) are communicated through a plurality of permeation holes (11).
8. The fertilizer slow-release device applicable to soil deep and shallow root diffusion of claim 1, wherein: the infiltration swell (10) is a semi-ellipse hollow shell fixedly connected to the side wall of the outer end of the ellipse quick-release box (9), a plurality of filtering holes are formed in the semi-ellipse hollow shell, and spherical cellucotton particles are filled in the semi-ellipse hollow shell.
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| CN111972110B (en) | 2021-09-07 |
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