CN219698456U

CN219698456U - Promote supplementary irrigation device of farmland water source conservation ability

Info

Publication number: CN219698456U
Application number: CN202320297808.5U
Authority: CN
Inventors: 曹建生; 沈彦俊; 阳辉; 郭英; 朱春雨; 赵宇寒
Original assignee: Institute of Genetics and Developmental Biology of CAS
Current assignee: Institute of Genetics and Developmental Biology of CAS
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-09-19
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to the technical field of land irrigation, in particular to a supplementary irrigation device for improving the conservation capacity of a farmland water source. Comprising the following steps: the storage area is provided with a conveying pipeline, and the middle part of the conveying pipeline is communicated with a crushing part; the main pipeline is transversely arranged below the ground surface and is communicated with the upper part of the crushing part through a pipeline, a plurality of branch pipelines which are longitudinally arranged are arranged at equal intervals along the length direction of the main pipeline, and water outlet valves are arranged on the branch pipelines; grooves perpendicular to the branch pipelines are formed in the ground surface along the lateral areas of the branch pipelines and are used for spreading water conservation preparation; the utility model can meet the irrigation requirements of fecal sewage, water and water-soluble fertilizer, thereby avoiding excessive participation of manpower, reducing labor intensity, effectively improving the overall construction efficiency, and simultaneously being matched with additional water conservation preparation to further improve the water storage and soil moisture conservation capacity of the land.

Description

Promote supplementary irrigation device of farmland water source conservation ability

Technical Field

The utility model relates to the technical field of land irrigation, in particular to a supplementary irrigation device for improving the conservation capacity of a farmland water source.

Background

The agricultural green development is taken as an important component of ecological civilization construction, the core content of the agricultural green development is green planting and breeding circulation, the green planting and breeding circulation is promoted, the comprehensive utilization of agricultural wastes resources is comprehensively implemented, and particularly, the harmless treatment and the resource utilization of livestock and poultry manure are fully exerted, so that the effect of improving the farmland water source conservation function is fully exerted;

in field irrigation, the manure is usually applied by manual watering and fertilizing, or the transportation equipment is used for watering, so that the labor load of workers is increased, and meanwhile, the water conservation preparation is usually applied by manual sowing and watering, so that the construction efficiency is low and the labor intensity is high.

Disclosure of Invention

Aiming at the technical defects, the utility model provides the supplementing and irrigating device for improving the conservation capacity of the farmland water source, which can meet the irrigation requirements of fecal sewage, water and water-soluble fertilizer, thereby reducing labor intensity without excessive participation of manpower, effectively improving the overall construction efficiency, and simultaneously improving the water storage and soil moisture conservation capacity of the land by being matched with the water conservation preparation.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the storage area is provided with a conveying pipeline, and the middle part of the conveying pipeline is communicated with a crushing part;

the main pipeline is transversely arranged below the ground surface and is communicated with the upper part of the crushing part through a pipeline, a plurality of branch pipelines which are longitudinally arranged are arranged at equal intervals along the length direction of the main pipeline, and water outlet valves are arranged on the branch pipelines;

grooves perpendicular to the branch pipelines are formed in the ground surface along the lateral areas of the branch pipelines and are used for storing water conservation preparation.

Preferably, the crushing member comprises a cylinder and a rotating shaft; a water outlet and a water inlet are respectively arranged above and below the cylinder; the two ends of the rotating shaft are rotationally connected with the cylinder body, two groups of rotating blades are respectively arranged, and the two groups of rotating blades are arranged in a staggered mode.

Preferably, a plurality of longitudinal knives are provided along the rotational direction tail of the rotary blade.

Preferably, the horizontal position of the rotary blade is provided with a fixed ring on the cylinder body, and a plurality of vertical plates are arranged along the circumferential direction of the fixed ring.

Preferably, triangular protrusions are arranged on the side faces of the vertical plates.

Preferably, the bottom end of the rotating shaft is provided with an axial flow fan blade, and the water outlet of the cylinder body is provided with a baffle ring.

Preferably, a drainage plate is arranged on the cylinder above the water inlet.

Preferably, the water outlet valve is in rotary connection with the branch pipeline.

Compared with the prior art, the utility model has the following advantages:

1. the manure generated in the cultivation process is stored in the storage area, and when the manure is required to be used, the manure is extracted through the internal pump body and sequentially passes through the main pipeline, the branch pipeline and the water outlet valve to finish irrigation requirements of farmlands, so that manual operation is not required, the labor intensity is reduced, and the construction efficiency is improved;

2. in order to avoid the blockage of the pipeline caused by the existence of large objects in the excrement, the whole pipeline is effectively ensured to be normally conveyed by the stirring and crushing of the crushing piece, and the condition of later maintenance operation is reduced;

3. the grooves are formed in the ground, so that crops are conveniently irrigated, the condition that excrement and sewage are directly acted on the crops to cause burn injury is avoided, the contact area with the ground is increased, and the permeation efficiency is improved;

4. most of the preparation components are industrial waste or agriculture and forestry residues, the stock is large, the price is low, the production cost is low, and favorable conditions are created for large-scale application;

5. irrigation of the water conservation preparation is realized through an irrigation device after ditching, so that the operation efficiency is improved, the physicochemical properties of farmland soil are obviously improved, the volume weight of the soil is reduced, the effective pore content of the soil is improved, the soil is loosened, the activity of beneficial microorganisms of the soil is improved, and the formation of biological chains of healthy soil is promoted;

6. after the preparation is fertilized, the water storage and soil moisture conservation capacity of the soil can be effectively enlarged, the regulation capacity of a soil reservoir to natural precipitation can be obviously enhanced, the utilization rate and the utilization efficiency of crops to natural precipitation can be improved, the surface water accumulation and waterlogging of farmlands can be prevented, and the preparation can be widely applied to the modern agricultural production process in northeast areas with black soil, black calcium soil, meadow soil, white slurry soil, dark brown soil and brown soil as main characteristics;

7. the design of the grooves improves soil from top to bottom in a lateral and horizontal two-way manner, shortens the action path, enlarges the contact area, accelerates the improvement speed and promotes the increase of the biological activity of the soil.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a recharging device for improving the conservation capacity of a farmland water source;

FIG. 2 is a schematic diagram of piping connection of a recharging device for improving the conservation capacity of a farmland water source;

FIG. 3 is a schematic view of a broken part of a recharging device for improving the conservation capacity of a farmland water source;

FIG. 4 is a schematic view of a broken part of a recharging device for improving the conservation capacity of a farmland water source;

FIG. 5 is a schematic diagram of the junction of the outlet valves of the recharging device for improving the conservation capacity of the farmland water source.

In the figure: 1. a storage area; 2. a crushing member; 3. a main pipeline; 4. a rotary blade; 101. a delivery line; 201. a cylinder; 202. a rotating shaft; 203. a water outlet; 204. a water inlet; 205. axial flow fan blades; 206. a baffle ring; 207. a drainage plate; 301. a branch pipeline; 302. a water outlet valve; 303. a groove; 401. a longitudinal knife; 402. a fixing ring; 403. a riser; 404. a protrusion.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

Example 1

1-5, a supplemental irrigation device for improving conservation capacity of a farmland water source, comprising: the storage area 1, the storage area 1 is provided with a conveying pipeline 101, and the middle part of the conveying pipeline 101 is communicated with a crushing piece 2; the main pipeline 3 is transversely arranged below the ground surface and is communicated with the upper part of the crushing piece 2 through a pipeline, a plurality of branch pipelines 301 which are longitudinally arranged are arranged at equal intervals along the length direction of the main pipeline 3, and water outlet valves 302 are arranged on the branch pipelines 301; grooves 303 perpendicular to the branch pipelines 301 are formed in the ground surface along the lateral areas of the branch pipelines 301 and are used for storing water conservation agents, and the water conservation agent is added, so that the water storage and soil moisture conservation capacity of the land is effectively improved in irrigation;

the excrement in the storage area 1 enters the crushing part through the conveying pipeline 101, is crushed by the crushing part and is discharged by the water outlet valve 302, so that the situation of blocking the branch pipeline 301 is effectively avoided while irrigation and fertilization are carried out, and the grooves 303 formed in the ground are prevented from being in direct contact with crops, so that the permeation efficiency is improved;

for the water-soluble fertilizer and the water conservation preparation, the water-soluble fertilizer and the water conservation preparation can be added into the conveying pipeline 101 and irrigated through water flow, so that manual operation is not needed, the working efficiency is effectively improved, and the labor intensity is reduced; the rubber hose is connected to the water outlet valve 302 to facilitate irrigation;

in practical use, different growth periods of crops are different in the use condition of the feces, clear water can be added at the conveying pipeline 101 for dilution in the feces conveying process, so that the integral content is reduced, the crops are convenient to absorb, and meanwhile, the integral design can be used for independently watering and irrigating, and specifically, control valves are respectively added at the outlet of the storage area 1 and on the conveying pipeline 101 for control.

As shown in connection with fig. 3 and 4, the crushing member 2 comprises a cylinder 201 and a rotation shaft 202; a water outlet 203 and a water inlet 204 are respectively arranged above and below the cylinder 201; two ends of the rotating shaft 202 are rotatably connected with the cylinder 201, and are respectively provided with two groups of rotating blades 4, and the two groups of rotating blades 4 are staggered; the rotating shaft 202 drives the rotating blades 4 to crush the excrement, meanwhile, the water outlet 203 is arranged at the upper part, the water inlet 204 is arranged at the lower part, and liquid flows from bottom to top, so that the rotating blades 4 are convenient to crush, and the two groups of rotating blades 4 which are arranged in a staggered way effectively ensure the full crushing of the excrement;

in the preferred embodiment, a plurality of longitudinal cutters 401 are arranged at the tail part along the rotation direction of the rotary blade 4, so that the contact area with the excrement is increased, and the crushing efficiency is improved;

in the preferred embodiment, a fixed ring 402 is arranged on the cylinder 201 at the horizontal position of the rotary blade 4, a plurality of vertical plates 403 are arranged along the circumferential direction of the fixed ring 402, and part of water is pushed to diffuse and rotate towards the inner wall of the cylinder 201 during the movement process of the rotary blade 4, so that the excrement is driven to collide with the vertical plates 403 in a contact manner, and the crushing is assisted;

in the preferred embodiment, triangular protrusions 404 are arranged on the side surfaces of the vertical plates 403, and after objects in the feces contact with the protrusions 404, the triangular structure promotes the crushing effect;

in the preferred embodiment, as shown in fig. 3, the bottom end of the rotating shaft 202 is provided with an axial flow fan 205, the water outlet 203 of the barrel 201 is provided with a baffle ring 206, the kinetic energy of the upward movement of the water flow can be improved through the axial flow fan 205, the rotating blade 4 is convenient to crush, and the baffle ring 206 is designed to effectively prevent the water flow from flowing back and impacting after contacting with the top of the barrel 201, so that the water flow can flow smoothly.

In the preferred embodiment, a drainage plate 207 is arranged on the barrel 201 above the water inlet 204 to play a role in guiding flow and keep water flow vertically upwards.

In combination with the illustration of fig. 5, the water outlet valve 302 is rotationally connected with the branch pipeline 301, a plurality of connecting rings are arranged at equal intervals on the end part of the branch pipeline 301 and the water outlet valve 302, and are respectively rotationally connected together, a rubber pad is further arranged in the connecting rings, so that water leakage can be effectively avoided, and meanwhile, a sealing gasket in contact with the connecting rings is further arranged at the bottom, so that the sealing effect is further improved, the rotation function of the water outlet valve 302 is realized, and the water outlet valve 302 is rotated to conveniently irrigate various grooves.

Example 2

A water conservation preparation for a supplemental irrigation device for improving farmland water conservation capacity, comprising the following steps:

s1, preparing a preparation according to the mass parts, wherein the preparation comprises 20-30 parts of crop straws, 30-40 parts of edible fungus chaff, 5-15 parts of carbon powder, 1-2 parts of ferment bacteria, 1-2 parts of urea, 1-2 parts of diammine phosphate, 1-3 parts of calcium magnesium phosphate fertilizer, 0.3-1 part of zinc sulfate, 0.1-0.3 part of borax and 4.7-40.6 parts of coal gangue;

s2, respectively crushing crop straws, edible fungus chaff and coal gangue, and mixing with carbon powder;

s3, dissolving urea, diammonium phosphate, calcium magnesium phosphate fertilizer, zinc sulfate and borax in 20 parts of water, and adding the mixture;

s4, dissolving ferment bacteria in another 20 parts of water, uniformly adding the solution into the mixture prepared in the steps, naturally composting and fermenting after mixing, and stopping fermenting after 5-8 days at the fermentation temperature of 40-60 ℃ to form gray-white to gray-black floccules;

s5, after granulating by a granulator, drying to form a water conservation preparation, and adding the water conservation preparation into the conveying pipeline 101 or the groove 303.

The first step comprises the following components of 20 parts of crop straw, 30 parts of edible fungus chaff, 7 parts of carbon powder, 1.5 parts of ferment bacteria, 1 part of urea, 2 parts of diammine phosphate, 3 parts of calcium magnesium phosphate fertilizer, 0.3 part of zinc sulfate, 0.2 part of borax and 35 parts of gangue powder.

Example 3

In a preferred embodiment, the crop straw is corn straw, rice straw or soybean straw;

in the preferred embodiment, after edible fungus chaff is used for producing edible fungus fruiting bodies and the processes of edible fungus fermentation and mushroom production are carried out, macromolecular lignin and cellulose in raw materials are degraded to a certain extent, and the formed chaff is an organic matrix with loose structure and rich nutrition, and the bioactive farmland water source conservation agent produced by using edible fungus waste has the effects of activating soil, loosening soil and increasing the organic biological content in the soil;

in a preferred embodiment, the carbon powder is activated carbon powder, charcoal powder or plant ash;

in the preferred embodiment, the activated carbon powder in the carbon powder is prepared from crop straws and edible fungus waste materials through cold pressing, carbonization and activation, has good air permeability, water permeability and water retention, can provide inhabitation for microorganisms in soil, is beneficial to decomposition of organic matters, increases nutrition components, provides nutrition for crop growth, and simultaneously contains a large amount of mineral elements for improving the soil and promoting good growth of crop root systems;

in the preferred embodiment, the first step comprises the following components of 20 parts of crop straw, 30 parts of edible fungus chaff, 7 parts of carbon powder, 1.5 parts of ferment bacteria, 1 part of urea, 2 parts of diammine phosphate, 3 parts of calcium magnesium phosphate fertilizer, 0.3 part of zinc sulfate, 0.2 part of borax and 35 parts of coal gangue powder.

Example 4

A method of using a farmland water source conservation preparation, comprising:

s1, grooves are formed in a planting area along one side of crops at fixed intervals, and the interval between every two adjacent grooves is 3-5 meters;

s2, filling crushed straw and the preparation in sequence.

In a preferred embodiment, the depth of the groove is 30-50cm and the width is 5-8cm;

in a preferred embodiment, the ditching time of the ditching groove is 6 months, and the height of crops is 30-50cm;

in a preferred embodiment, the length of the crushed straw is 3-5cm, and the backfill amount per extension meter (linear meter) is 3-5 jin.

The components of the preparation are prepared according to the following proportion:

example 5

This example relates to optimization of water source conservation formulation components;

1. respectively crushing 20 parts of crop straw, 30 parts of edible fungus chaff and 35 parts of coal gangue to 100 meshes, 100 meshes and 60 meshes, and mixing with 7 parts of 100-mesh activated carbon;

2. dissolving 1 part of urea, 2 parts of diammonium phosphate, 3 parts of calcium magnesium phosphate fertilizer, 0.3 part of zinc sulfate and 0.2 part of borax in 20 parts of water, and adding the solution into an organic mixture of edible fungus waste, coal gangue and active carbon;

3. 1.5 parts of ferment bacteria are dissolved in 20 parts of water, and the solution is uniformly added into the mixture prepared in the second step, and after mixing, natural composting fermentation is carried out, the fermentation temperature is controlled at 45 ℃, and after 6 days, the fermentation is terminated;

4. granulating with a granulator, oven drying or naturally air drying, weighing, and packaging to obtain the final product.

Example 6

A method of using a farmland water source conservation preparation, comprising:

s1, grooves are formed in a planting area along one side of crops at fixed intervals, and the interval between two adjacent grooves is 3 meters; the depth of the groove is 30cm, and the width is 5cm; the ditching time of the ditching groove is 6 months, and the height of crops is 30cm;

s2, filling crushed straw and the preparation in sequence, wherein the length of the crushed straw is 5cm, and the backfill amount of each extension meter (linear meter) is 3 jin.

Example 7

1. Respectively crushing 30 parts of crop straw, 37 parts of edible fungus chaff and 15 parts of coal gangue to 100 meshes, 100 meshes and 60 meshes, and mixing with 10 parts of 100-mesh activated carbon;

Example 8

A method of using a farmland water source conservation preparation, comprising:

s1, grooves are formed in a planting area along one side of crops at fixed intervals, and the interval between two adjacent grooves is 4 meters; the depth of the groove is 40cm, and the width is 7cm; the ditching time of the ditching groove is 6 months, and the height of crops is 40cm;

s2, filling crushed straw and the preparation in sequence, wherein the length of the crushed straw is 4cm, and the backfill amount of each extension meter (linear meter) is 3 jin.

Example 9

1. Respectively crushing 25 parts of crop straw, 33 parts of edible fungus chaff and 21.4 parts of coal gangue into 100 meshes, 100 meshes and 60 meshes, and mixing with 12 parts of 100-mesh activated carbon;

2. 2 parts of urea, 1 part of diammonium phosphate, 3 parts of calcium magnesium phosphate fertilizer, 1 part of zinc sulfate and 0.1 part of borax are dissolved in 20 parts of water, and the solution is added into an organic mixture of edible fungus waste, coal gangue and active carbon;

Example 10

A method of using a farmland water source conservation preparation, comprising:

s1, grooves are formed in a planting area along one side of crops at fixed intervals, and the interval between two adjacent grooves is 5 meters; the depth of the groove is 50cm, and the width is 8cm; the ditching time of the ditching groove is 6 months, and the height of crops is 35cm;

s2, filling crushed straw and the preparation in sequence, wherein the length of the crushed straw is 5cm, and the backfill amount of each extension meter (linear meter) is 4 jin.

Example 11

The preparation comprises the following components: 20 parts of crop straw, 30 parts of edible fungus waste, 7 parts of activated carbon, 1.5 parts of ferment bacteria, 1 part of urea, 2 parts of diammine phosphate, 3 parts of calcium magnesium phosphate fertilizer, 0.3 part of zinc sulfate, 0.2 part of borax and 35 parts of coal gangue;

example 12

The preparation comprises the following components: 25 parts of crop straw, 35 parts of edible fungus waste, 12 parts of activated carbon, 1.5 parts of ferment bacteria, 1 part of urea, 2 parts of diammine phosphate, 3 parts of calcium magnesium phosphate fertilizer, 0.3 part of zinc sulfate, 0.2 part of borax and 20 parts of coal gangue;

example 13

The preparation comprises the following components: 30 parts of crop straw, 40 parts of edible fungus waste, 15 parts of activated carbon, 1.5 parts of ferment bacteria, 1 part of urea, 1 part of diammine phosphate, 1 part of calcium magnesium phosphate fertilizer, 0.8 part of zinc sulfate, 0.2 part of borax and 9.5 parts of coal gangue;

common pig manure and chicken manure are respectively selected as a comparative example 1 and a comparative example 2, and chemical fertilizers (general-purpose type) in the market are selected as a comparative example 3;

the experimental land is characterized in that the land surface is dry and hard, gathers or flows in the land area after water spraying, cannot be absorbed in a penetrating way, and comprises the components of 10.7g/kg of organic matters, 0.3g/kg of total nitrogen, 0.75g/kg of total phosphorus, 13.8g/kg of total potassium, 4.6% of porosity and 2.13g/cm of volume weight ³ ；

From the period analysis, the preparation is added by ditching, the ingredients can be absorbed by plant roots within 7-11 days, and the soil is improved within 5-7 weeks, while the comparative example 1 is absorbed by plants within 15-30 days and the soil is improved within 11-12 weeks, but the effect is poor, while the comparative example 2 is similar to the comparative example 1, the comparative example 3 is absorbed by plant roots within 12-20 days and the soil is improved within about 10 weeks, and the conditions of poor effect also exist, and the comparative example 1 and the comparative example 2 need to be combined with other ingredient fertilizers for use, so that the condition of ingredient imbalance is easy to occur;

meanwhile, as for the ditches 303, the experiment is carried out on the land in the same condition in the embodiment 1, and compared with the traditional rotary tillage returning, the ditching speed of the ditching ditches 303 is improved by 20-30%;

as can be seen by comparison, the preparation scheme of the utility model can effectively improve the water storage and soil moisture conservation capacity and nutrient components of the land, and simultaneously quickens the soil improvement time, the ferment bacteria have the soil loosening function, and the edible fungus waste, the coal gangue and the activated carbon powder also have the soil loosening function and are rich in organic matters, nitrogen, phosphorus, potassium and various trace elements, so that the ferment bacteria can be greatly propagated by being used as a culture medium base material of the ferment bacteria, the ferment bacteria in unit area of a farmland can be doubled, the soil loosening speed is quickened, the soil loosening range is expanded, and the soil loosening effect is enhanced; meanwhile, after the edible fungus waste is fermented and decomposed by ferment bacteria, organic substances which are easy to be absorbed by crops are produced, the organic substances also have the function of loosening soil, the soil loosening range is 30-50cm, the soil volume weight is reduced by 8.5% -11.5% compared with the contrast, the field water holding capacity is improved by 10-12% compared with the contrast, the effective storage capacity of a 1-100cm soil reservoir is increased by 100-120mm compared with the contrast, so that the purpose of improving the farmland precipitation resource utilization rate is realized, and the components in the components are from recycling and reutilizing the waste, and the cost is low.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. Promote irrigation device of farmland water source conservation ability, its characterized in that includes:

the device comprises a storage area (1), wherein a conveying pipeline (101) is arranged on the storage area (1), and a crushing piece (2) is communicated with the middle part of the conveying pipeline (101);

the main pipeline (3) is transversely arranged below the ground surface and is communicated with the upper part of the crushing piece (2) through a pipeline, a plurality of branch pipelines (301) which are longitudinally arranged are arranged at equal intervals along the length direction of the main pipeline (3), and water outlet valves (302) are arranged on the branch pipelines (301);

grooves (303) perpendicular to the branch pipelines (301) are formed in the ground along the side areas of the branch pipelines (301) and are used for storing water conservation agents.

2. The recharging device for improving the conservation capacity of a farmland water source according to claim 1, wherein: the crushing piece (2) comprises a cylinder (201) and a rotating shaft (202); a water outlet (203) and a water inlet (204) are respectively arranged above and below the cylinder (201); two ends of the rotating shaft (202) are rotatably connected with the cylinder body (201), two groups of rotating blades (4) are respectively arranged, and the two groups of rotating blades (4) are arranged in a staggered mode.

3. The recharging device for improving the conservation capacity of a farmland water source according to claim 2, wherein: a plurality of longitudinal cutters (401) are arranged along the tail part of the rotating direction of the rotating blade (4).

4. A recharging device for improving conservation capacity of farmland water sources according to claim 3, wherein: a fixed ring (402) is arranged on the cylinder (201) at the horizontal position of the rotary blade (4), and a plurality of vertical plates (403) are arranged along the circumferential direction of the fixed ring (402).

5. The recharging device for improving the conservation capacity of a farmland water source according to claim 4, wherein: the side of the vertical plate (403) is provided with a triangular bulge (404).

6. The recharging device for improving the conservation capacity of a farmland water source according to claim 2, wherein: an axial flow fan blade (205) is arranged at the bottom end of the rotating shaft (202), and a baffle ring (206) is arranged at the water outlet (203) of the cylinder body (201).

7. The recharging device for improving the conservation capacity of a farmland water source according to claim 6, wherein: a drainage plate (207) is arranged on the cylinder (201) above the water inlet (204).

8. The recharging device for improving the conservation capacity of a farmland water source according to claim 1, wherein: the water outlet valve (302) is rotatably connected with the branch pipeline (301).