CN117244935A - Method for degrading residual pesticide in soil - Google Patents
Method for degrading residual pesticide in soil Download PDFInfo
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- CN117244935A CN117244935A CN202311545437.9A CN202311545437A CN117244935A CN 117244935 A CN117244935 A CN 117244935A CN 202311545437 A CN202311545437 A CN 202311545437A CN 117244935 A CN117244935 A CN 117244935A
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- soil
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- outlet pipe
- piece
- water outlet
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- 239000002689 soil Substances 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000000593 degrading effect Effects 0.000 title claims abstract description 18
- 239000000575 pesticide Substances 0.000 title claims abstract description 13
- 230000000813 microbial effect Effects 0.000 claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 40
- 239000000835 fiber Substances 0.000 claims abstract description 22
- 239000000447 pesticide residue Substances 0.000 claims abstract description 20
- 230000015556 catabolic process Effects 0.000 claims abstract description 14
- 238000006731 degradation reaction Methods 0.000 claims abstract description 14
- 238000003973 irrigation Methods 0.000 claims abstract description 13
- 230000002262 irrigation Effects 0.000 claims abstract description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 8
- 238000007865 diluting Methods 0.000 claims abstract description 5
- 238000009331 sowing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 239000007787 solid Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 10
- 241000894006 Bacteria Species 0.000 claims description 9
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 244000309464 bull Species 0.000 claims description 4
- 239000010902 straw Substances 0.000 claims description 4
- 241000186361 Actinobacteria <class> Species 0.000 claims description 3
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 3
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 3
- 235000014655 lactic acid Nutrition 0.000 claims description 3
- 239000004310 lactic acid Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 230000000243 photosynthetic effect Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 239000003905 agrochemical Substances 0.000 claims 8
- 230000035515 penetration Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 10
- 239000002068 microbial inoculum Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 230000000149 penetrating effect Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000009342 intercropping Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229920000858 Cyclodextrin Polymers 0.000 description 1
- 239000001116 FEMA 4028 Substances 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 1
- 235000011175 beta-cyclodextrine Nutrition 0.000 description 1
- 229960004853 betadex Drugs 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Mycology (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to a method for degrading residual pesticides in soil, which comprises the following working steps: s1, performing pesticide residue degradation treatment by using a soil root irrigation method in a plant growing period, and performing pesticide residue degradation treatment by adopting a soil disinfection method on soil before sowing or seedling bed soil; s2, diluting microbial agents according to different proportions, putting the microbial agents into a first box and a first cavity, putting fiber scraps into a second cavity, and setting a soil humidity safety threshold T; s3, irrigating the soil surface by adopting a microbial agent in the first cavity when the soil humidity value is within the range of T-1.4T, and performing targeted pesticide residue degradation treatment on the soil with different soil humidity when the soil humidity value is greater than 1.4T, thereby reducing the adverse effect of excessive improper irrigation on crop root systems.
Description
Technical Field
The invention relates to a method for degrading residual pesticides in soil, in particular to a method for degrading residual pesticides in soil, which is applied to the field of soil revival.
Background
With the rapid development of the agricultural planting industry, the use frequency of pesticides is increased, when the use amount of pesticides exceeds the self-cleaning capacity of the soil, the quality of the soil environment is reduced, the productivity of the soil is affected, the environmental biosafety is compromised, and the pesticide pollution to the soil is evolved, so that the degradation treatment of residual pesticides on the soil is required.
In order to solve the problem of pesticide residue in soil, certain agricultural equipment in the market adopts a mode of combining biology, chemistry and physics to reduce the design of pesticide residue, and has certain market ratio.
The specification of Chinese patent No. CN201811009046.4 discloses a method for repairing soil pesticide residues, which comprises the following steps: 1) Deep ploughing, deep loosening and returning straw to the field; 2) Paving a layer of beta-cyclodextrin grafted fiber at the bottom of the soil; 3) Irrigation; 4) Regulating pH to 6.0-7.0, and adding microorganism; 5) Intercropping and interplanting: intercropping plants capable of adsorbing pesticide residues and corn or soybean in the soil treated in the step 4) to achieve the purposes of pesticide residue absorption and yield increase. According to the restoration method for the soil pesticide residue, provided by the invention, the physical, chemical and biological degradation modes are combined, so that the pesticide residue in the soil can be reduced, the soil structure is improved deeply, the beneficial bacteria of the soil and active organic matters capable of falling asleep are activated, the soil activity is awakened, and the adopted restoration agent is mild and does not damage the original balance system of the soil.
The concentration of this equipment watering liquid is unified setting, but in actual operation in-process, because the farming area is great, the soil gouty that is in the ridging position of relative center position is relatively poor leads to this regional humidity great, consequently in the great regional uniformity of guaranteeing microorganism content of humidity, need water and the little regional same solution of soil humidity, can cause the soft of collapsing of ridging, influence the stability of planting crop root system, still probably can cause the rotting of crop root system, influence crop normal growth.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the technical problem that when agricultural residue degradation is carried out on agricultural soil in the growing period of crops, targeted degradation treatment measures can be adopted aiming at soil humidity so as to protect the safety of crop root systems.
In order to solve the problems, the invention provides a method for degrading residual pesticides in soil, which comprises the following working steps:
s1, performing pesticide residue degradation treatment by using a soil root irrigation method in a plant growing period, and performing pesticide residue degradation treatment by adopting a soil disinfection method on soil before sowing or seedling bed soil;
s2, diluting the microbial agent according to different proportions, putting the microbial agent into a first box and a first cavity, putting fiber scraps into a second cavity, wherein the concentration value of the microbial agent in the first cavity is larger than that in the first box, and setting a soil humidity safety threshold T;
s3, when the soil humidity value is within the range of T-1.4T, the microbial agent in the first cavity is used for irrigating the soil surface, when the soil humidity value is greater than 1.4T, the release unit is used for sprinkling the limiting fragments in the second cavity onto the soil surface, then the microbial agent in the first cavity is used for irrigating the soil surface, and when the soil humidity value is lower than T, the microbial agent in the first box is used for irrigating the soil surface.
In the method for degrading the pesticide residue in the soil, different treatment measures are adopted according to different soil humidity values, so that targeted microbial agent throwing treatment is realized, and further, effective throwing of microbial flora is ensured while excessive irrigation in a high humidity area is avoided, and further, the microbial flora is utilized to detoxify and degrade pesticide residue at the terminal of the pesticide residue soil.
As a further improvement of the present application, the fibrous crumb is a mixture of dried chip and straw crumb and the microbial agent is a mixture of photosynthetic bacteria, actinomycetes, lactic acid bacteria, yeast and bacillus.
As a further improvement of the application, the soil disinfection method is to dilute the microbial agent to 300-400 times and then evenly spray the microbial agent onto the soil surface, and the dosage is controlled to be 5-10ml/m 2 In the soil root irrigation method, the microbial inoculum is controlled to be used in an amount of 2000-6000 ml/mu, and the conventional dosage under other conditions is 1000-2000 ml/mu.
As the further improvement of this application, the top fixed surface who removes the frame installs a case, the top fixed surface who removes the frame has and is located No. two cases of case one side, no. two the inside of case is divided into a chamber and No. two chambeies of mutually independent through the baffle, the inner wall in a chamber runs through and installs No. one outlet pipe, the inner wall in a case runs through and installs No. two outlet pipes, and No. one outlet pipe and No. two tail ends of outlet pipe all are located the outside that removes the frame, two release units that arrange dorsad are installed to the inner wall in No. two chambeies, the humidity detector who is located No. two case one sides is installed at the top that removes the frame.
As a further improvement of the application, the first water outlet pipe and the second water outlet pipe are provided with electromagnetic valves, the pipe diameter of the first water outlet pipe is smaller than that of the second water outlet pipe, and the humidity detector is electrically connected with the first water outlet pipe and the electromagnetic valves on the second water outlet pipe.
As the further improvement of this application, release unit is including inlaying in No. two chambeies inner wall's electromagnetic sheet, and No. two chambeies inner wall runs through and installs the shutoff piece that the cross-section is the T type, and the inside of shutoff piece runs through and installs rectangular axostylus axostyle, and the surface connection of rectangular axostylus axostyle has the activity arc piece of symmetrical arrangement, and the tail end connection of activity arc piece has the electromagnetism strip, and the one end of rectangular axostylus axostyle runs through and is connected with solid body of rod, and the tail end connection of solid body of rod has the magnetism to inhale the piece.
As a further improvement of the application, the connection position of the strip shaft rod, the blocking piece and the solid rod body is positioned above the circle center, and the tail end of the strip shaft rod is movably connected with the surface of the magnetic attraction piece.
As a further improvement of this application, driving motor is installed at the top of No. two casees, and driving motor's output is connected with the bull stick, and the surface of bull stick cup joints and is fixed with No. one bevel gear, and the inside in a chamber runs through and installs the follow-up puddler, and the top of follow-up puddler cup joints and is fixed with the second bevel gear of being connected with a bevel gear meshing, and the inside of No. one casees runs through and installs driven puddler, and the top and the follow-up puddler of driven puddler pass through the conveyer belt transmission and are connected.
As a further improvement of the electromagnetic plate is installed on the top wall of the second cavity, the loose piece positioned in the middle of the two release units is installed on the bottom wall of the second cavity, the loose piece is of a spiral spring design, the inner diameter of the loose piece gradually decreases from top to bottom, and the surface of the loose piece is provided with a magnetic attraction coating mutually attracted with the electromagnetic plate.
As a further improvement of the present application, the surface of the loose piece is provided with a through hole, and the inside of the loose piece is filled with absorbent cotton.
In summary, this application is when carrying out the incomplete degradation treatment of agriculture to the soil that plants the crop, detect the humidity of waiting to handle soil through humidity detector, later and the difference of humidity value, select to use the microbial inoculum liquid of different concentration to water, because the duration of opening of solenoid valve is unanimous, therefore the great microbial inoculum of watering concentration can carry out the secondary dilution with the help of more moisture in the soil in the great soil surface of humidity, guarantee the equivalent of microbial inoculum and put in, can also avoid the excessive watering of soil simultaneously, at the greater region of soil humidity, firstly put in the soil surface with the water absorption decline soil humidity value, later adopt the microbial inoculum liquid watering of higher concentration, can also avoid excessive watering when reaching equivalent throwing purpose, can also reach the purpose of adding fertilizer through the fibrous piece of follow-up decay in addition.
Drawings
Fig. 1 is a schematic view of the overall appearance structure of embodiment 1 of the present application;
FIG. 2 is an enlarged schematic view of embodiment 1 of the present application at A in FIG. 1
Fig. 3 is an internal structural view of embodiment 1 of the present application;
fig. 4 is a schematic view showing a structure of a release unit according to embodiment 1 of the present application;
FIG. 5 is an enlarged schematic view of FIG. 4 at B according to embodiment 1 of the present application;
FIG. 6 is an enlarged schematic view of FIG. 4 at C according to embodiment 1 of the present application;
FIG. 7 is a schematic view of an expanded state of a movable arc piece according to embodiment 1 of the present application;
FIG. 8 is a schematic view showing a state of starting the water outlet pipe No. 1 to irrigate microbial inoculum according to embodiment 1 of the application;
FIG. 9 is a schematic view showing a state in which a first water outlet pipe is started to pour microbial inoculum after a release unit is started to release fiber scraps in embodiment 1 of the present application;
fig. 10 is a schematic structural view of embodiment 2 of the present application;
FIG. 11 is a working state diagram of a loosening element according to embodiment 2 of the present application;
fig. 12 is a top cross-sectional view of a loosening element according to embodiment 2 of the present application.
The reference numerals in the figures illustrate:
1. a moving rack; 2. a first box; 3. a second box; 31. a first cavity; 32. a second cavity; 4. a first water outlet pipe; 5. a second water outlet pipe; 6. a humidity detector; 7. a driving motor; 71. a first bevel gear; 72. a two-size bevel gear; 8. a follow-up stirring rod; 9. a driven stirring rod; 10. a conveyor belt; 11. a release unit; 111. a movable arc piece; 112. a solid rod body; 113. a magnetic attraction piece; 114. an electro-magnetic sheet; 115. an electromagnetic stripe; 116. a long shaft lever; 117. blocking; 12. a loosening member; 121. a through hole; 122. a water-absorbing cotton; 13. an electromagnetic plate.
Description of the embodiments
The following describes 2 embodiments of the present application in detail with reference to the accompanying drawings.
Embodiment 1:
FIGS. 1-9 show a method for degrading residual pesticides in soil, comprising the following steps:
s1, performing pesticide residue degradation treatment by using a soil root irrigation method in a plant growing period, and performing pesticide residue degradation treatment by adopting a soil disinfection method on soil before sowing or seedling bed soil;
s2, diluting microbial agents according to different proportions, putting the microbial agents into a first tank 2 and a first cavity 31, putting fiber scraps into a second cavity 32, wherein the concentration value of the microbial agents in the first cavity 31 is larger than that of the microbial agents in the first tank 2, and setting a soil humidity safety threshold T;
s3, when the soil humidity value is within the range of T-1.4T, the microbial agent in the first cavity 31 is used for irrigating the soil surface, when the soil humidity value is greater than 1.4T, the release unit 11 is used for sprinkling the limiting fragments in the second cavity 32 onto the soil surface, then the microbial agent in the first cavity 31 is used for irrigating the soil surface, and when the soil humidity value is lower than T, the microbial agent in the first box 2 is used for irrigating the soil surface.
The fiber scraps are a mixture of dried crushed wood scraps and straw scraps, and the microbial agent is a mixture of photosynthetic bacteria groups, actinomycetes groups, lactic acid bacteria groups, yeast bacteria groups and bacillus.
The soil disinfection method comprises diluting microbial agent to 300-400 times, uniformly spraying onto soil surface, and controlling dosage at 5-10ml/m 2 In the soil root irrigation method, the microbial inoculum is controlled to be used in an amount of 2000-6000 ml/mu, and the conventional dosage under other conditions is 1000-2000 ml/mu.
Specifically, the soil pesticide residue detoxification treatment under different conditions is treated, and a soil root irrigation method or a soil disinfection method is selectively adopted to put microbial agents on the soil surface;
when the microbial agent is put in, pouring the diluted microbial agent liquid in the first tank 2 to the soil surface when the soil humidity value is in a normal state;
when the soil humidity value is large, the diluted microbial agent liquid with a large concentration value in the first cavity 31 is irrigated to the soil surface, and the equal amount of the microbial agent liquid is ensured by irrigating a small amount of high-concentration biological agent liquid;
when the soil humidity value is larger, the fiber scraps in the second cavity 32 need to be firstly put on the soil surface, moisture is firstly absorbed, the soil humidity is reduced, then the microbial inoculum liquid in the first cavity 31 is put, the phenomena of root rot of crops and collapse and softness of ridges caused by excessive irrigation are avoided, in addition, the fiber scraps after water absorption can provide biomass for crops after the rot, and the fertilization effect is enhanced.
The top surface of the movable frame 1 is fixedly provided with a first box 2, the top surface of the movable frame 1 is fixedly provided with a second box 3 positioned at one side of the first box 2, the interior of the second box 3 is divided into a first cavity 31 and a second cavity 32 which are mutually independent through a partition plate, the inner wall of the first cavity 31 is provided with a first water outlet pipe 4 in a penetrating way, the inner wall of the first box 2 is provided with a second water outlet pipe 5 in a penetrating way, tail ends of the first water outlet pipe 4 and the second water outlet pipe 5 are positioned at the outer side of the movable frame 1, the inner wall of the second cavity 32 is provided with two release units 11 which are arranged in a back way, and the top of the movable frame 1 is provided with a humidity detector 6 positioned at one side of the second box 3;
the top of the second tank 3 is provided with a driving motor 7, the output end of the driving motor 7 is connected with a rotating rod, the surface of the rotating rod is sleeved and fixed with a first bevel gear 71, the inside of the first cavity 31 is provided with a follow-up stirring rod 8 in a penetrating way, the top end of the follow-up stirring rod 8 is provided with a second bevel gear 72 in a sleeved and fixed way, which is meshed and connected with the first bevel gear 71, the inside of the first tank 2 is provided with a driven stirring rod 9 in a penetrating way, and the top end of the driven stirring rod 9 is in transmission connection with the follow-up stirring rod 8 through a conveying belt 10;
the electromagnetic valves are arranged on the first water outlet pipe 4 and the second water outlet pipe 5, the pipe diameter of the first water outlet pipe 4 is smaller than that of the second water outlet pipe 5, and the humidity detector 6 is electrically connected with the electromagnetic valves on the first water outlet pipe 4 and the second water outlet pipe 5.
Specifically, after the driving motor 7 is started, under the meshing transmission of the first bevel gear 71 and the second bevel gear 72, the follow-up stirring rod 8 can be driven to rotate, and then the driven stirring rod 9 is driven to rotate under the transmission action of the conveyor belt 10, so that the liquids in the first tank 2 and the first cavity 31 are stirred, and the uniformity of microbial agent liquid is ensured;
in the advancing process of the movable frame 1, the humidity detector 6 is utilized to detect the soil humidity on the surface of the ridge, then the electromagnetic valve on the first water outlet pipe 4 or the second water outlet pipe 5 is opened in a targeted manner according to the difference of the soil humidity so as to perform targeted irrigation treatment, and in addition, when the humidity value exceeds 1.4T, the release unit 11 is started to throw the fiber scraps in the second cavity 32 onto the surface of the soil for water absorption treatment.
The release unit 11 includes an electromagnetic sheet 114 embedded in the inner wall of the second cavity 32, a blocking piece 117 with a T-shaped cross section is installed on the inner wall of the second cavity 32 in a penetrating manner, a long-strip shaft rod 116 is installed in the blocking piece 117 in a penetrating manner, movable arc sheets 111 symmetrically arranged are connected to the surface of the long-strip shaft rod 116, an electromagnetic strip 115 is connected to the tail end of the movable arc sheets 111, a solid rod body 112 is connected to one end of the long-strip shaft rod 116 in a penetrating manner, and a magnetic attraction sheet 113 is connected to the tail end of the solid rod body 112.
The connection position of the strip shaft 116, the blocking piece 117 and the solid rod 112 is located above the center of the circle, and the tail end of the strip shaft 116 is movably connected with the surface of the magnetic attraction piece 113.
Specifically, when the releasing unit 11 is started, the electromagnetic strip 115 starts to generate a mutual repulsive force firstly, then the movable arc piece 111 expands to bring the fiber scraps in the second cavity 32 into the movable arc piece 111, then the electromagnetic strip 115 switches the working mode to generate a mutual attractive force between the two mutually attractive forces, so that the fiber scraps are wrapped in the movable arc piece 111, then the electromagnetic strip 114 starts to generate a mutual repulsive force with the magnetic strip 113, so that the magnetic strip 113 drives the movable arc piece 111 and the solid rod body 112 to extend out of the second cavity 32, then the electromagnetic strip 115 switches to the mutual repulsive working mode again, at this time, the movable arc piece 111 expands to release the fiber scraps stored in the interior, and the moisture of the soil surface is reduced by utilizing the water absorption of the fiber scraps;
in this process, the existence of the long bar shaft lever 116 makes the expansion of the movable arc piece 111 possible, and the existence of the blocking block 117 makes the release unit 11 in the storage state form a blocking treatment for the second cavity 32, so as to avoid exposing the internal fiber scraps, while the length of the solid rod body 112 is determined according to the distance between the second cavity 32 and the edge of the movable frame 1, so that when the release unit 11 is exposed to the outer side of the second cavity 32, a blocking area can be formed, and the fiber scraps falling from the inside of the movable arc piece 111 are prevented from falling to the wheels of the movable frame 1, so that the fiber scraps are wasted;
after the movable arc piece 111 puts the fiber scraps on the soil surface, starting an attraction mode of the electromagnetic strip 115 to enable the movable arc piece 111 to be folded, and then starting the electromagnetic sheet 114 to enable attraction between the electromagnetic sheet 114 and the magnetic sheet 113 to be generated, so that the release unit 11 is reset and stored;
the release unit 11 is designed to be capable of being stored, so that the blocking influence of crop roots during direct fixed installation on the release unit is avoided, and the normal running of the movable frame 1 is ensured.
Embodiment 2:
fig. 10 to 12 show, wherein the same or corresponding parts as in embodiment 1 are denoted by the corresponding reference numerals as in embodiment 1, and only the points of distinction from embodiment 1 are described below for the sake of brevity. This 2 nd embodiment differs from the 1 st embodiment in that: the electromagnetic plate 13 is installed to the roof in No. two chambeies 32, and the loose piece 12 that is located two release unit 11 middles is installed to the diapire in No. two chambeies 32, and the loose piece 12 is coil spring design, and the internal diameter of loose piece 12 reduces gradually from top to bottom, and the surface of loose piece 12 is equipped with the magnetism that attracts the coating with electromagnetic plate 13 looks attraction each other.
Specifically, in order to ensure the fluffiness of the fiber scraps, the electromagnetic plate 13 is started, so that the top end of the loosening element 12 is stretched upwards, and then the fiber scraps piled up and covered on the surface of the loosening element are lifted upwards, so that shaking treatment is achieved, and the phenomenon that the fiber scraps piled up in the second cavity 32 are blocked and are unfavorable for spreading after sprinkling is avoided.
The surface of the loose piece 12 is provided with a through hole 121, and the inside of the loose piece 12 is filled with absorbent cotton 122.
Specifically, in order to ensure the dryness of the fibrous debris inside the second chamber 32, a water absorbent cotton 122 is designed to absorb water vapor inside, so as to ensure the water absorption of the fibrous debris falling onto the soil surface or the like.
The scope of protection of the above-described embodiments employed in the present application is not limited to the above-described embodiments, and various changes made by those skilled in the art without departing from the spirit of the present application are still within the scope of protection of the present invention.
Claims (10)
1. The method for degrading the residual pesticide in the soil is characterized by comprising the following working steps of:
s1, performing pesticide residue degradation treatment by using a soil root irrigation method in a plant growing period, and performing pesticide residue degradation treatment by adopting a soil disinfection method on soil before sowing or seedling bed soil;
s2, diluting microbial agents according to different proportions, putting the microbial agents into a first box (2) and a first cavity (31), putting fiber scraps into a second cavity (32), wherein the concentration value of the microbial agents in the first cavity (31) is larger than that of the microbial agents in the first box (2), and setting a soil humidity safety threshold T;
s3, when the soil humidity value is within the range of T-1.4T, the microbial agent in the first cavity (31) is used for irrigating the soil surface, when the soil humidity value is greater than 1.4T, the release unit (11) is used for sprinkling the limiting fragments in the second cavity (32) onto the soil surface, then the microbial agent in the first cavity (31) is used for irrigating the soil surface, and when the soil humidity value is lower than T, the microbial agent in the first tank (2) is used for irrigating the soil surface.
2. The method for degrading residual agricultural chemicals in soil according to claim 1, wherein: the fiber scraps are a mixture of dried crushed wood scraps and straw scraps, and the microbial agent is a mixture of photosynthetic bacteria groups, actinomycetes groups, lactic acid bacteria groups, yeast bacteria groups and bacillus.
3. The method for degrading residual agricultural chemicals in soil according to claim 1, wherein: the soil disinfection method is to dilute the microbial agent to 300-400 times, then evenly spray the microbial agent onto the soil surface, and the dosage is controlled to be 5-10ml/m 2 In the soil root irrigation method, the use amount of the microbial agent is controlled to be 2000-6000 ml/mu, and the conventional use amount under other conditions is 1000-2000 ml/mu.
4. The method for degrading residual pesticides in soil according to claim 1, further comprising a movable frame (1), characterized in that: the utility model discloses a humidity sensor, including movable rack (1), box (2) are installed to the top fixed surface of movable rack (1), movable rack (1)'s top fixed surface has No. two boxes (3) that are located No. one box (2) one side, no. two inside of box (3) divide into independent No. one chamber (31) and No. two chamber (32) through the baffle, no. one outlet pipe (4) are installed in the inner wall penetration of No. one chamber (31), no. two outlet pipe (5) are installed in the inner wall penetration of No. one box (2), and No. one outlet pipe (4) and No. two outlet pipe (5)'s tail end all are located movable rack (1)'s outside, two release units (11) that arrange dorsad are installed to No. two chamber (32)'s inner wall, humidity sensor (6) that are located No. two boxes (3) one side are installed at movable rack (1) top.
5. The method for degrading residual agricultural chemicals in soil according to claim 4, wherein: the electromagnetic valves are arranged on the first water outlet pipe (4) and the second water outlet pipe (5), the pipe diameter of the first water outlet pipe (4) is smaller than that of the second water outlet pipe (5), and the humidity detector (6) is electrically connected with the electromagnetic valves on the first water outlet pipe (4) and the second water outlet pipe (5).
6. The method for degrading residual agricultural chemicals in soil according to claim 4, wherein: the release unit (11) is including inlaying in electromagnetic sheet (114) of No. two chambeies (32) inner walls, no. two inner walls in chamber (32) run through and install the shutoff piece (117) that the cross-section is T type, the inside of shutoff piece (117) runs through and installs rectangular axostylus axostyle (116), the surface connection of rectangular axostylus axostyle (116) has movable arc piece (111) of symmetrical arrangement, the tail end connection of movable arc piece (111) has electromagnetic strip (115), the one end through connection of rectangular axostylus axostyle (116) has solid body of rod (112), the tail end connection of solid body of rod (112) has magnetism to inhale piece (113).
7. The method for degrading residual agricultural chemicals in soil according to claim 6, wherein: the connection positions of the strip shaft rod (116), the blocking block (117) and the solid rod body (112) are located above the circle center, and the tail end of the strip shaft rod (116) is movably connected with the surface of the magnetic attraction piece (113).
8. The method for degrading residual agricultural chemicals in soil according to claim 4, wherein: the top of No. two case (3) is installed driving motor (7), the output of driving motor (7) is connected with the bull stick, and the surface of bull stick cup joints and is fixed with a bevel gear (71), the inside in a chamber (31) runs through and installs follow-up puddler (8), and the top of follow-up puddler (8) cup joints and is fixed with the second bevel gear (72) of being connected with a bevel gear (71) meshing, the inside of No. one case (2) runs through and installs driven puddler (9), and the top and the follow-up puddler (8) of driven puddler (9) are connected through conveyer belt (10) transmission.
9. The method for degrading residual agricultural chemicals in soil according to claim 4, wherein: the top wall of the second cavity (32) is provided with an electromagnetic plate (13), the bottom wall of the second cavity (32) is provided with a loosening piece (12) positioned between the two release units (11), the loosening piece (12) is designed as a spiral spring, the inner diameter of the loosening piece (12) is gradually reduced from top to bottom, and the surface of the loosening piece (12) is provided with a magnetic attraction coating which is attracted with the electromagnetic plate (13).
10. The method for degrading residual agricultural chemicals in soil according to claim 9, wherein: the surface of loose piece (12) is equipped with through-hole (121), the inside of loose piece (12) is filled with cotton (122) that absorbs water.
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| CN117244935B (en) | 2024-01-16 |
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