A process and equipment for cultivating selenium-rich and cadmium-reduced seedlings

Abstract

The present invention relates to the technical field of rice seedling cultivation, specifically to a process and equipment for cultivating selenium-rich and cadmium-reducing rice seedlings, and the process steps are: first, a cultivation solution containing manganese fertilizer and zinc fertilizer is added to the inside of a cultivation box, and the height of the cultivation solution added in the cultivation box is accurately controlled; then, rice seeds are placed in the cultivation solution for rice seedling cultivation to obtain selenium-rich and cadmium-reducing rice seedlings; after the rice seedling cultivation is completed, the rice seedlings can be taken out and transplanted to cadmium-contaminated soil for cultivation until maturity; the equipment includes a cultivation main body, a cultivation box, an auxiliary detection box, a connecting groove, a fixed installation support frame, a sliding limit slot, a fixed connection frame and a sliding baffle. The present invention cultivates rice seedlings by adding high-concentration manganese fertilizer and zinc fertilizer to the cultivation box during the rice seedling cultivation stage, which will not affect the growth of rice seedlings, and overcomes the problems of low utilization rate of manganese fertilizer and zinc fertilizer applied to the soil, easy accumulation in the soil to increase environmental risks, etc., and also improves the cadmium reduction efficiency of rice, which is conducive to large-scale promotion and application.

Description

Technical Field

[0001] The invention relates to the technical field of rice seedling cultivation, and in particular to a process and equipment for cultivating selenium-enriched and cadmium-reduced rice seedlings. Background Art

[0002] Among the heavy metal pollution in soil, cadmium pollution has attracted much attention, which is related to its greater harm to humans. Therefore, cadmium pollution control has always been a hot topic and difficult problem in the field of agricultural scientific research. In the control of soil cadmium pollution, planting enriched plants and allowing plants to absorb heavy metals in the soil is one of the green and effective ways. Improving the enrichment effect of plants will undoubtedly speed up the control and allow the soil to return to normal earlier. However, rice occupies a very important position in my country's agricultural economy. It has a large planting area and high total output. It is one of the key projects in my country's agricultural development. Therefore, how to cultivate selenium-rich and cadmium-reducing seedlings has received more and more attention.

[0003] However, the existing rice seedling raising device cannot conveniently and timely add the culture solution during use, and cannot conveniently place the seedlings in the middle of the raising device, and cannot conveniently take out and transplant the seedlings located in the middle of the raising device after the seedlings are raised. Therefore, a device is needed to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a process and equipment for cultivating selenium-enriched and cadmium-reduced seedlings to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A process and equipment for cultivating selenium-enriched and cadmium-reduced seedlings, including a cultivation body, a cultivation box, an auxiliary detection box, a connecting groove, a fixed installation support frame, a sliding limit card slot, a fixed connecting frame and a sliding baffle plate, the connecting groove is opened on both sides of the cultivation box, the auxiliary detection box is fixedly connected to both sides of the cultivation box, and the auxiliary detection box is connected to the interior of the cultivation box through the connecting groove, the cultivation body is arranged on the upper part of the cultivation box, the fixed installation support frame is fixedly connected to both sides of the cultivation box, the sliding limit card slot is opened on the upper part of both sides of the cultivation box, the fixed connecting frame is evenly fixedly installed on both sides of the cultivation box, and the sliding baffle plate is slidably connected to both ends of the cultivation box.

[0007] Preferably, the cultivation body comprises an adjustment and control body and a cultivation placement part, and the adjustment and control body is provided with two, and the cultivation placement parts are evenly placed on the adjustment and control body.

[0008] Preferably, the cultivation placement part includes a sliding limit card plate, a lifting handle, a cultivation placement groove, a supporting partition limit plate and a cultivation placement frame, the sliding limit card plate is arranged on both sides of the cultivation placement frame, the supporting partition limit plate is fixedly arranged on the upper part of the cultivation placement frame, the cultivation placement groove is opened inside the cultivation placement frame, the lifting handle is fixedly installed on both sides of the upper end of the cultivation placement frame, and the bottom end of the cultivation placement frame is evenly penetrated with connecting slots.

[0009] Preferably, the adjustment and control body includes a synchronous drive rod, a drive gear, a motor, a drive control body, a first sliding card plate, a second sliding card plate, a limit support frame and a limit slot, the limit slot is evenly arranged on the limit support frame, the first sliding card plate and the second sliding card plate are fixedly connected on both sides of the limit support frame, and the first sliding card plate is located above the second sliding card plate, the drive control body is arranged on both sides of the limit support frame, the drive gear is rotatably arranged on the upper outer end of the limit support frame, the synchronous drive rod is fixedly connected between the drive gears, and the drive end of the motor is fixedly connected to the drive gear.

[0010] Preferably, the drive control body includes a sliding adjustment column, a sliding adjustment column, a hydraulic cylinder and a drive control tooth plate, the hydraulic cylinder is evenly arranged, the sliding adjustment column is fixedly connected to the upper end of the hydraulic cylinder, and the drive control tooth plate is fixedly connected to the upper end of the sliding adjustment column.

[0011] Preferably, the hydraulic cylinder is fixedly mounted on the second sliding card plate, the sliding adjustment column is slidingly clamped on the first sliding card plate, and the driving control body is located above the first sliding card plate.

[0012] Preferably, the cultivation placement frame is slidably connected to the limit slot, the driving gear is rotatably connected to the fixed installation support frame, the motor is fixedly installed on the fixed installation support frame, the first sliding card plate and the second sliding card plate are slidably connected to the inside of the sliding limit slot, and the upper end of the auxiliary detection box is slidably connected with a floating detection plate, and detection scale lines are provided on both ends of the floating detection plate and on the part outside the auxiliary detection box.

[0013] Preferably, auxiliary supporting rollers are rotatably clamped between the two ends of the auxiliary detection box.

[0014] A process for cultivating selenium-enriched and cadmium-reduced seedlings comprises the following steps:

[0015] a. First, add a culture solution containing manganese fertilizer and zinc fertilizer into the culture box, where the content of manganese fertilizer in the culture solution is 25-35g / m3 The content of zinc fertilizer is 4-7g / m 3 , and then by observing the detection scale line reading that is flush with the upper end surface of the auxiliary detection box, the height of the culture solution added to the incubator can be accurately controlled;

[0016] b. Then, the rice seeds are placed in the culture solution for seedling cultivation to obtain selenium-rich and cadmium-reduced seedlings. During the seedling cultivation period, manganese fertilizer and zinc fertilizer are added once every 8 to 10 days, and the amount of manganese fertilizer added each time is 20 to 25 g / m 3 The amount of zinc fertilizer added each time is 3-6g / m 3 ;

[0017] c. After 30 to 35 days of seedling raising, the rice seedlings in the raising box can be taken out and transplanted to the cadmium-contaminated soil for raising to maturity;

[0018] d. Harvest the rice after it matures, and then conduct multiple field tests to verify the cadmium-reducing effect of rice on contaminated soil.

[0019] Preferably, the culture solution uses water as a solvent and includes the following concentration components: 0.28-0.40 mmol / L ammonium sulfate, 0.45-0.52 mmol / L magnesium sulfate, 0.12-0.22 mmol / L potassium nitrate, 0.26-0.36 mmol / L calcium nitrate, 0.09-0.21 mmol / L potassium dihydrogen phosphate, 15-25 μmol / L ferrous sulfate, 20-30 μmol / L sodium nitrate, 0.4-0.7 μmol / L magnesium borate, 1-3 μmol / L ammonium selenite, and 0.2-0.5 μmol / L growth regulator, wherein the growth regulator is a mixture of brassinolide, indoleacetic acid, sodium nitrophenolate, gibberellin and cytokinin in a mass ratio of 1:5:2:3:2.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention arranges auxiliary detection boxes on both sides of the incubation box. The height of the culture solution in the incubation box can be determined conveniently and quickly by observing the height of the floating detection plate in the auxiliary detection box. The culture solution can be added and supplemented to the incubation box in time to ensure that the culture solution is sufficient during the incubation process.

[0022] 2. The present invention evenly places the cultivation placement frame on the limit support frame, and the seedlings can be cultivated through the cultivation placement frame, and the motors in the two adjustment control bodies are started to drive the driving gear and the synchronous driving rod to rotate, and at this time, the hydraulic cylinder is started to make the sliding adjustment column rise along the first sliding card plate, so that the driving control tooth plate is engaged with the driving gear. At this time, the rotating driving gear can drive the first sliding card plate and the second sliding card plate to slide horizontally outward along the sliding limit card slot through the driving control body, so that the limit support frame slides outward from the cultivation box. At this time, when the limit support frame moves slowly outward, the cultivation placement frame can be removed from the limit card slot, so as to facilitate the removal and transplanting of the seedlings in the cultivation placement frame, and make it convenient to take and transplant the cultivation placement frame in the middle of the device and the seedlings located in the middle.

[0023] 3. The present invention cultivates rice seedlings by adding high-concentration manganese fertilizer and zinc fertilizer into the cultivation box during the rice seedling raising stage. This will not affect the growth of rice seedlings, but also overcome the problems of low utilization rate of manganese fertilizer and zinc fertilizer applied to the soil, easy accumulation in the soil and increased environmental risks. At the same time, it also improves the cadmium reduction efficiency of rice, which is conducive to large-scale promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0026] Figure 2 It is a side view of the main body of the present invention;

[0027] Figure 3 It is a schematic diagram of the structure of two sides of the incubator of the present invention;

[0028] Figure 4 It is a structural schematic diagram of the incubator of the present invention;

[0029] Figure 5 It is a structural schematic diagram of the cultivation subject of the present invention;

[0030] Figure 6 It is a structural schematic diagram of the cultivation and placement part of the present invention;

[0031] Figure 7 This is a schematic diagram of the bottom structure of the cultivation placement frame of the present invention;

[0032] Figure 8It is a structural schematic diagram of the regulating control body of the present invention;

[0033] Fig. 9 It is a structural schematic diagram of the driving control body of the present invention;

[0034] Fig.10 It is a schematic structural diagram of the second embodiment of the main body of the present invention.

[0035] In the figure: 1-detection scale line, 2-floating detection plate, 3-cultivation body, 4-cultivation box, 5-auxiliary detection box, 6-connecting groove, 7-fixed installation support frame, 8-sliding limit card slot, 9-fixed connecting frame, 10-adjustment control body, 11-cultivation placement part, 12-sliding limit card plate, 13-lifting handle, 14-cultivation placement groove, 15-support partition limit plate, 16-cultivation placement frame, 17-connecting slot, 18-synchronous drive rod, 19-drive gear, 20-motor, 21-drive control body, 22-first sliding card plate, 23-second sliding card plate, 24-limiting support frame, 25-limiting card slot, 26-sliding adjustment column, 27-hydraulic cylinder, 28-drive control gear plate, 29-auxiliary support roller, 30-sliding baffle plate. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0037] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0038] The present invention is further described below in conjunction with the accompanying drawings.

[0039] Example 1

[0040] A process for cultivating selenium-enriched and cadmium-reduced seedlings comprises the following steps:

[0041] a. First, add a culture solution containing manganese fertilizer and zinc fertilizer into the culture box, where the content of manganese fertilizer in the culture solution is 25g / m 3 , the content of zinc fertilizer is 4g / m 3 , manganese fertilizer should be manganese sulfate monohydrate, zinc fertilizer should be zinc sulfate heptahydrate, and then by observing the detection scale line reading flush with the upper end surface of the auxiliary detection box, the height of the culture solution added to the incubator can be accurately controlled;

[0042] b. Then, the rice seeds were placed in the culture solution for seedling cultivation to obtain selenium-enriched and cadmium-reduced seedlings. During the seedling cultivation period, manganese fertilizer and zinc fertilizer were added once every 8 days, and the amount of manganese fertilizer added each time was 22g / m 3 The amount of zinc fertilizer added each time is 3g / m 3 ;

[0043] c. After 30 days of seedling raising, the rice seedlings in the incubator can be taken out and transplanted to cadmium-contaminated soil for cultivation until maturity;

[0044] d. Harvest the rice after it matures, and then conduct multiple field tests to verify the cadmium-reducing effect of rice on contaminated soil.

[0045] The culture solution uses water as solvent and includes the following concentration components: 0.28mmol / L ammonium sulfate, 0.45mmol / L magnesium sulfate, 0.12mmol / L potassium nitrate, 0.26mmol / L calcium nitrate, 0.09mmol / L potassium dihydrogen phosphate, 15μmol / L ferrous sulfate, 20μmol / L sodium nitrate, 0.4μmol / L magnesium borate, 1μmol / L ammonium selenite, and 0.2μmol / L growth regulator, wherein the growth regulator is a mixture of brassinolide, indoleacetic acid, sodium nitrophenolate, gibberellin and cytokinin in a mass ratio of 1:5:2:3:2.

[0046] Example 2

[0047] A process for cultivating selenium-enriched and cadmium-reduced seedlings comprises the following steps:

[0048] a. First, add a culture solution containing manganese fertilizer and zinc fertilizer into the culture box, where the content of manganese fertilizer in the culture solution is 30g / m 3 , the content of zinc fertilizer is 6g / m 3 , manganese fertilizer should be manganese sulfate monohydrate, zinc fertilizer should be zinc sulfate heptahydrate, and then by observing the detection scale line reading flush with the upper end surface of the auxiliary detection box, the height of the culture solution added to the incubator can be accurately controlled;

[0049] b. Then, the rice seeds were placed in the culture solution for seedling cultivation to obtain selenium-enriched and cadmium-reduced seedlings. During the seedling cultivation period, manganese fertilizer and zinc fertilizer were added once every 9 days, and the amount of manganese fertilizer added each time was 24g / m3 The amount of zinc fertilizer added each time is 5g / m 3 ;

[0050] c. After 32 days of seedling raising, the rice seedlings in the incubator can be taken out and transplanted to cadmium-contaminated soil for cultivation until maturity;

[0051] d. Harvest the rice after it matures, and then conduct multiple field tests to verify the cadmium-reducing effect of rice on contaminated soil.

[0052] The culture solution uses water as solvent and includes the following concentration components: 0.33mmol / L ammonium sulfate, 0.47mmol / L magnesium sulfate, 0.17mmol / L potassium nitrate, 0.31mmol / L calcium nitrate, 0.014mmol / L potassium dihydrogen phosphate, 18μmol / L ferrous sulfate, 26μmol / L sodium nitrate, 0.5μmol / L magnesium borate, 2μmol / L ammonium selenite, and 0.4μmol / L growth regulator, wherein the growth regulator is a mixture of brassinolide, indoleacetic acid, sodium nitrophenolate, gibberellin and cytokinin in a mass ratio of 1:5:2:3:2.

[0053] Example 3

[0054] A process for cultivating selenium-enriched and cadmium-reduced seedlings comprises the following steps:

[0055] a. First, add a culture solution containing manganese fertilizer and zinc fertilizer into the culture box, where the content of manganese fertilizer in the culture solution is 35g / m 3 , the content of zinc fertilizer is 7g / m 3 , manganese fertilizer should be manganese sulfate monohydrate, zinc fertilizer should be zinc sulfate heptahydrate, and then by observing the detection scale line reading flush with the upper end surface of the auxiliary detection box, the height of the culture solution added to the incubator can be accurately controlled;

[0056] b. Then, the rice seeds were placed in the culture solution for seedling cultivation to obtain selenium-rich and cadmium-reduced seedlings. During the seedling cultivation period, manganese fertilizer and zinc fertilizer were added once every 10 days, and the amount of manganese fertilizer added each time was 25g / m 3 The amount of zinc fertilizer added each time is 6g / m 3 ;

[0057] c. After 35 days of seedling raising, the rice seedlings in the incubator can be taken out and transplanted to cadmium-contaminated soil for cultivation until maturity;

[0058] d. Harvest the rice after it matures, and then conduct multiple field tests to verify the cadmium-reducing effect of rice on contaminated soil.

[0059] The culture solution uses water as solvent and includes the following concentration components: 0.40mmol / L ammonium sulfate, 0.52mmol / L magnesium sulfate, 0.19mmol / L potassium nitrate, 0.36mmol / L calcium nitrate, 0.21mmol / L potassium dihydrogen phosphate, 20μmol / L ferrous sulfate, 27μmol / L sodium nitrate, 0.7μmol / L magnesium borate, 3μmol / L ammonium selenite, and 0.5μmol / L growth regulator, wherein the growth regulator is a mixture of brassinolide, indoleacetic acid, sodium nitrophenolate, gibberellin and cytokinin in a mass ratio of 1:5:2:3:2.

[0060] Based on Examples 1 to 3, it can be concluded that the present invention, by adding high-concentration manganese fertilizer and zinc fertilizer to the incubation box during the rice seedling raising stage to cultivate rice seedlings, will not affect the growth of rice seedlings, and overcomes the problems of low utilization rate of manganese fertilizer and zinc fertilizer applied to the soil, easy accumulation in the soil and increased environmental risks, etc., while also improving the cadmium reduction efficiency of rice, which is conducive to large-scale promotion and application.

[0061] Example 4

[0062] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , an embodiment of the present invention: a process and equipment for cultivating selenium-enriched and cadmium-reduced seedlings, comprising a cultivation body 3, a cultivation box 4, an auxiliary detection box 5, a connecting groove 6, a fixed installation support frame 7, a sliding limit card slot 8, a fixed connecting frame 9 and a sliding baffle plate 30, the connecting groove 6 is opened on both sides of the cultivation box 4, the auxiliary detection box 5 is fixedly connected to both sides of the cultivation box 4, and the auxiliary detection box 5 is connected to the inside of the cultivation box 4 through the connecting groove 6, the cultivation body 3 is arranged on the upper part of the cultivation box 4, the fixed installation support frame 7 is fixedly connected to both sides of the cultivation box 4, the sliding limit card slot 8 is opened on the upper part of both sides of the cultivation box 4, and the fixed connecting frame 9 is evenly It is fixedly installed on both sides of the incubator 4, and the sliding baffle plate 30 is slidably connected to the two ends of the incubator 4. The incubation body 3 includes an adjustment control body 10 and a cultivation placement part 11. The adjustment control body 10 is provided with two cultivation placement parts 11. The cultivation placement parts 11 are evenly placed on the adjustment control body 10. By arranging an auxiliary detection box 5 on both sides of the incubator 4, the height of the cultivation liquid in the incubator 4 can be conveniently and quickly judged by the floating height of the floating detection plate 2 in the auxiliary detection box 5 and by observing the floating height of the floating detection plate 2. The cultivation liquid can be added and supplemented to the incubator 4 in time, so that the cultivation liquid is sufficient during the cultivation process.

[0063] See also Figure 6 and Figure 7The cultivation placement part 11 includes a sliding limiting card plate 12, a lifting handle 13, a cultivation placement groove 14, a supporting barrier limiting plate 15 and a cultivation placement frame 16. The sliding limiting card plate 12 is arranged on both sides of the cultivation placement frame 16, the supporting barrier limiting plate 15 is fixedly arranged on the upper part of the cultivation placement frame 16, the cultivation placement groove 14 is opened inside the cultivation placement frame 16, the lifting handle 13 is fixedly installed on both sides of the upper end of the cultivation placement frame 16, and the bottom end of the cultivation placement frame 16 is evenly penetrated with connecting slots 17. The cultivation placement frame 16 is conveniently lifted by the lifting handle 13, and the cultivation placement frame 16 can be supported by the supporting barrier limiting plate 15.

[0064] See also Figure 8 The regulating and controlling body 10 comprises a synchronous driving rod 18, a driving gear 19, a motor 20, a driving and controlling body 21, a first sliding card plate 22, a second sliding card plate 23, a limiting support frame 24 and a limiting card slot 25. The limiting card slot 25 is evenly penetrated and opened on the limiting support frame 24. The first sliding card plate 22 and the second sliding card plate 23 are fixedly connected on both sides of the limiting support frame 24, and the first sliding card plate 22 is located above the second sliding card plate 23. The driving and controlling body 21 is arranged on both sides of the limiting support frame 24. The driving gear 19 is rotatably arranged on the upper outer end of the limiting support frame 24. The synchronous driving rod 18 is fixedly connected between the driving gears 19. The driving end of the motor 20 is fixedly connected to the driving gear 19. The motors in the two regulating and controlling bodies 10 are started. The machine 20 drives the driving gear 19 and the synchronous driving rod 18 to rotate, and at this time, the hydraulic cylinder 27 is started to make the sliding adjustment column 26 rise along the first sliding card plate 22, so that the driving control tooth plate 28 is engaged and contacted with the driving gear 19. At this time, the rotating driving gear 19 can drive the control body 21 to make the first sliding card plate 22 and the second sliding card plate 23 slide horizontally outward along the sliding limit slot 8, so that the limit support frame 24 slides outward from the incubator 4. At this time, when the limit support frame 24 moves slowly outward, the incubation placement frame 16 can be removed from the limit slot 25, so as to facilitate the removal and transplanting of the seedlings in the incubation placement frame 16, and make the incubation placement frame 16 in the middle of the device and the seedlings located in the middle convenient for removal and transplanting.

[0065] See also Fig. 9The driving control body 21 includes a sliding adjustment column 26, a hydraulic cylinder 27 and a driving control tooth plate 28. The hydraulic cylinder 27 is evenly arranged. The sliding adjustment column 26 is fixedly connected to the upper end of the hydraulic cylinder 27. The driving control tooth plate 28 is fixedly connected to the upper end of the sliding adjustment column 26. The hydraulic cylinder 27 can control the lifting and lowering of the driving control tooth plate 28. After lifting, the driving control tooth plate 28 can engage with the driving gear 19 to control the movement of the limit support frame 24, which plays a role of insurance, so that the limit support frame 24 will not move accidentally during the cultivation process.

[0066] The hydraulic cylinder 27 is fixedly mounted on the second sliding card plate 23 , and the sliding adjustment column 26 is slidably connected to the first sliding card plate 22 to play a limiting role, and the driving control body 21 is located above the first sliding card plate 22 .

[0067] The culture placement frame 16 is slidably connected to the limit slot 25, the driving gear 19 is rotatably connected to the fixed installation support frame 7, the motor 20 is fixedly installed on the fixed installation support frame 7, the first sliding card plate 22 and the second sliding card plate 23 are slidably connected to the inside of the sliding limit slot 8, and the upper end of the auxiliary detection box 5 is slidably connected with the floating detection plate 2. The two ends of the floating detection plate 2 and the part located outside the auxiliary detection box 5 are provided with detection scale lines 1. The detection scale lines 1 and the floating detection plate 2 play a monitoring role, and the culture solution can be replenished in time.

[0068] When the present embodiment is implemented, the culture solution is first added to the incubator 4. The culture solution added to the incubator 4 will enter the auxiliary detection box 5 through the connecting groove 6, and then the floating detection plate 2 set in the auxiliary detection box 5 will float and rise. At this time, by observing the indication of the detection scale line 1 flush with the upper end surface of the auxiliary detection box 5, the height of the culture solution added in the incubator 4 can be quickly known, and it is convenient to replenish the culture solution in the incubator 4 in time. After the seedlings in the incubation placement frame 16 are cultivated for a specified time, the sliding baffle plates 30 at both ends of the incubator 4 are slid out by external force, and the motors 20 in the two regulating control bodies 10 are started to drive the driving gear 19 and the synchronous driving rod 18 to rotate, and this When the hydraulic cylinder 27 is started, the sliding adjustment column 26 is lifted along the first sliding card plate 22, so that the driving control tooth plate 28 is meshed with the driving gear 19. At this time, the rotating driving gear 19 can drive the control body 21 to make the first sliding card plate 22 and the second sliding card plate 23 slide laterally outward along the sliding limit slot 8, so that the limit support frame 24 slides outward from the incubator 4. At this time, when the limit support frame 24 moves slowly outward, the incubation placement frame 16 can be removed from the limit slot 25, so as to facilitate the removal and transplanting of the seedlings in the incubation placement frame 16, and make it convenient to take and transplant the incubation placement frame 16 in the middle of the device and the seedlings located in the middle.

[0069] Example 5

[0070] On the basis of Example 4, Fig.10 As shown, auxiliary supporting rollers 29 are rotatably connected between the two ends of the auxiliary detection box 5 .

[0071] When this embodiment is implemented, the auxiliary support roller 29 is rotated, and the rotating auxiliary support roller 29 can support the bottom of the limit support frame 24 that slides outward, so that the limit support frame 24 can slowly move to the outside of the incubator 4 to take and transplant the seedlings inside the cultivation placement frame 16. The limit support frame 24 can slide out stably, and the cultivation placement frame 16 for cultivating seedlings in the middle of the incubator 4 is convenient to take and place.

[0072] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for cultivating selenium-enriched and cadmium-reduced seedlings, comprising a cultivation body (3), a cultivation box (4), an auxiliary detection box (5), a connecting groove (6), a fixed mounting support frame (7), a sliding limit slot (8), a fixed connecting frame (9) and a sliding baffle plate (30), characterized in that: The communicating groove (6) is provided on both sides of the incubator (4); the auxiliary detection box (5) is fixedly connected to both sides of the incubator (4); and the auxiliary detection box (5) is connected to the inside of the incubator (4) through the communicating groove (6); the incubation body (3) is arranged on the upper part of the incubator (4); the fixed mounting support frame (7) is fixedly connected to both sides of the incubator (4); the sliding limit slots (8) are provided on the upper parts of both sides of the incubator (4); the fixed connecting frame (9) is evenly fixedly installed on both sides of the incubator (4); and the sliding baffle plate (30) is slidably clamped at both ends of the incubator (4); The cultivation body (3) comprises an adjustment control body (10) and a cultivation placement part (11), and the adjustment control body (10) is provided with two; the cultivation placement part (11) comprises a sliding limit card plate (12), a lifting handle (13), a cultivation placement groove (14), a supporting barrier limit plate (15) and a cultivation placement frame (16); the sliding limit card plate (12) is arranged on both sides of the cultivation placement frame (16), the supporting barrier limit plate (15) is fixedly arranged on the upper part of the cultivation placement frame (16), and the cultivation placement groove (14) is opened inside the cultivation placement frame (16); the adjustment control body (10) comprises The invention comprises a synchronous driving rod (18), a driving gear (19), a motor (20), a driving control body (21), a first sliding card plate (22), a second sliding card plate (23), a limit support frame (24) and a limit card slot (25); the limit card slot (25) is evenly arranged on the limit support frame (24); the first sliding card plate (22) and the second sliding card plate (23) are fixedly connected to both sides of the limit support frame (24); the first sliding card plate (22) is located above the second sliding card plate (23); and the driving control body (21) is arranged on both sides of the limit support frame (24); The driving control body (21) comprises a sliding adjustment column (26), a hydraulic cylinder (27) and a driving control gear plate (28); the hydraulic cylinder (27) is evenly arranged, and the sliding adjustment column (26) is fixedly connected to the upper end of the hydraulic cylinder (27); the cultivation placement frame (16) is slidably engaged with the limiting card slot (25), the driving gear (19) is rotationally engaged with the fixed mounting support frame (7), the motor (20) is fixedly mounted on the fixed mounting support frame (7), and the first sliding card plate (22) and the second sliding card plate (23) are slidably engaged with the inside of the sliding limiting card slot (8).

2. The device for cultivating selenium-enriched and cadmium-reduced seedlings according to claim 1, characterized in that: The driving gear (19) is rotatably arranged on the upper outer end of the limiting support frame (24), and the synchronous driving rod (18) is fixedly connected between the driving gears (19); the hydraulic cylinder (27) is fixedly installed on the second sliding card plate (23), and the sliding adjustment column (26) is slidably connected to the first sliding card plate (22); the cultivation placement part (11) is evenly placed on the adjustment control body (10).

3. The device for cultivating selenium-enriched and cadmium-reduced seedlings according to claim 2, characterized in that: The lifting handle (13) is fixedly mounted on both sides of the upper end of the cultivation placement frame (16), and the bottom end of the cultivation placement frame (16) is evenly penetrated with connecting slots (17); the driving end of the motor (20) is fixedly connected to the driving gear (19); the driving control gear plate (28) is fixedly connected to the upper end of the sliding adjustment column (26).

4. The device for cultivating selenium-enriched and cadmium-reduced seedlings according to claim 3, characterized in that: The driving control body (21) is located above the first sliding card plate (22).

5. The device for cultivating selenium-enriched and cadmium-reduced seedlings according to claim 4, characterized in that: A floating detection plate (2) is slidably engaged at the upper end of the auxiliary detection box (5), and detection scale lines (1) are provided at both ends of the floating detection plate (2) and on the part located outside the auxiliary detection box (5).

6. The device for cultivating selenium-enriched and cadmium-reduced seedlings according to claim 5, characterized in that: Auxiliary supporting rollers (29) are rotatably clamped between the two ends of the auxiliary detection box (5).

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