CN115968599A - Saline-alkali soil crop seeding and fertilizing device and fertilizer preparation method - Google Patents
Saline-alkali soil crop seeding and fertilizing device and fertilizer preparation method Download PDFInfo
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- CN115968599A CN115968599A CN202211586935.3A CN202211586935A CN115968599A CN 115968599 A CN115968599 A CN 115968599A CN 202211586935 A CN202211586935 A CN 202211586935A CN 115968599 A CN115968599 A CN 115968599A
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Abstract
The invention discloses a saline-alkali soil crop seeding and fertilizing device and a fertilizer preparation method, which relate to the technical field of crop planting and comprise a rack, wherein a fertilizer box for fertilizing is arranged on the rack; the soil-loosening assembly is arranged at the bottom of the rack, a scraping plate is fixedly connected to the bottom of the rack, a conical barrel is fixedly connected to the scraping plate, a drilling assembly is arranged above the conical barrel in a sliding mode, the drilling assembly comprises a connecting frame, a conveying barrel is fixedly arranged on the connecting frame, a soil-drilling conveying shaft is rotatably arranged inside the conveying barrel, and a through hole matched with the outer circumference of the conveying barrel is formed in the bottom end of the conical barrel; when the conveying cylinder moves and is in contact with the ground, the outer circumference of the conveying cylinder is matched with the through hole at the bottom end of the conical cylinder, and soil is conveyed upwards through the rotation of the soil drilling conveying shaft, so that the soil is conveyed and falls into the conical cylinder; the invention can change the earthing operation mode when crops are planted, and ensure that the soil is covered on the surface of the seeds.
Description
Technical Field
The invention relates to the technical field of crop planting, in particular to a saline-alkali soil crop seeding and fertilizing device and a fertilizer preparation method.
Background
For planting of crops, the processes of soil loosening, sowing, watering, fertilizing and the like are generally included, the existing crop planting operation is generally carried out by adopting agricultural machinery, and the existing agricultural machinery also has more perfect functions, including operations of rotary tillage, sowing, fertilizing and the like; however, there are some problems, for example, when the existing agricultural equipment is used for earthing operation, the scraper blade arranged at the tail of the device is generally used for pushing the soil to cover the surface of the seeds, so as to complete the earthing operation, but the mode has uncertainty, and cannot ensure that each seeding area can be earthed; on the other hand, fertilization is an essential link in crop planting operation, and each crop has different requirements on the proportion of the fertilizer, so that the fertilizer needs to be prepared in different proportions for different crops.
Chinese patent No. CN208446006U discloses a crop seed sowing and fertilizing device, which comprises a platform, a sowing box and a fertilizer box, wherein the lower end surface of the platform is fixedly connected with the upper end surface of a support plate, the lower part of the support plate is rotatably connected with a first rotating shaft, the first rotating shaft is fixedly connected with a first flywheel and the center of a travelling wheel, the first flywheel is connected with a second flywheel through a first belt, the second flywheel is connected with a third flywheel through a second belt, and a third rotating shaft and a fourth rotating shaft, which are fixedly inserted in the centers of the second flywheel and the third flywheel, drive a first material shifting turntable and a second material shifting turntable to rotate, so that seeds and fertilizer fall down synchronously for sowing, and the fertilizing amount at each time can be controlled by adjusting the size of a groove on the rotating wheel; the patent describes the technical solution of controlling the amount of fertilizer applied and adjusting the depth of penetration, but does not describe the technical solution of covering soil and does not solve the above technical problem.
Disclosure of Invention
Aiming at the technical problems, the invention can change the earthing operation mode when crops are planted, and ensure that the soil is covered on the surface of the seeds.
The technical scheme adopted by the invention is as follows: a saline-alkali soil crop seeding and fertilizing device comprises a rack, wherein a fertilizer box for fertilizing is arranged on the rack; the soil-loosening assembly is arranged at the bottom of the rack, a scraping plate is fixedly connected to the bottom of the rack, a conical barrel is fixedly connected to the scraping plate, a drilling assembly is arranged above the conical barrel in a sliding mode, the drilling assembly comprises a connecting frame, a conveying barrel is fixedly arranged on the connecting frame, a soil-drilling conveying shaft is rotatably arranged inside the conveying barrel, and a through hole matched with the outer circumference of the conveying barrel is formed in the bottom end of the conical barrel; when the conveying cylinder moves and is in contact with the ground, the outer circumference of the conveying cylinder is matched with the through hole at the bottom end of the conical cylinder, and soil is conveyed upwards through the rotation of the soil drilling conveying shaft, so that the soil is conveyed and falls into the conical cylinder; the bottom end of the frame is provided with a guide pipe for transporting crop seeds to the drilled holes; the bottom of the rack is also provided with a soil compacting assembly, the soil compacting assembly comprises a pressing rod, and soil is locally compacted through the pressing rod.
Further, the bottom intercommunication of can for manuring is provided with the fertilization pipe, fixedly connected with seeding frame in the frame, and the fixed setting of seeding equipment is on seeding frame, still is provided with the roller of marcing that is used for marcing in the frame.
Further, the assembly that loosens the soil includes the connecting seat with frame bottom fixed connection, and the pivot of loosening the soil is installed in the rotation on the connecting seat, and the fixed motor that is provided with on the connecting seat is connected with belt structure one on the output shaft of motor one, and loosens the soil through belt structure one drive pivot rotation.
Furthermore, the drilling assembly comprises a second electric cylinder fixedly mounted at the bottom of the rack, and a telescopic rod of the second electric cylinder is fixedly connected with the connecting frame.
Further, fixedly connected with mounting bracket on the link, the fixed motor two that is provided with on the link is connected with belt structure two on the output shaft of motor two, bores the native delivery shaft and passes through the drive of belt structure two, and the belt pulley swivelling joint on the belt structure two is on the mounting bracket.
Further, bore one end fixedly connected with integral key shaft of native transport axle, the integral key shaft and the belt pulley sliding connection on the belt structure two, fixed mounting has electric jar three on the link, fixedly connected with connecting rod on electric jar three's the telescopic link, connecting rod and integral key shaft swivelling joint.
Further, a vibration motor is arranged on the scraper and used for vibrating the conical cylinder.
Further, the soil compacting assembly comprises a first electric cylinder fixedly mounted at the bottom of the rack, a first compression seat is fixedly connected onto a telescopic rod of the first electric cylinder, a compression rod in a linear array is slidably arranged on the compression seat, a spring used for providing elasticity is sleeved on the compression rod, and the spring is connected between the compression seat and the end of the spring.
Compared with the prior art, the invention has the beneficial effects that: (1) After the earthing is finished, the electric cylinder I controls the pressing seat to move, the pressing rod is utilized to compact the soil covered on the seeds, the soil can be locally compacted by the compacting mode, the seeds can be stably positioned in the soil, the soil cannot be compacted tightly, and the growth of the seeds cannot be influenced; (2) In the invention, soil falls into the drilled holes again from the through hole at the bottom end of the conical cylinder to cover seeds, and the vibrating motor can enable the conical cylinder to vibrate, namely the inner side of the conical cylinder is shaken off sufficiently to obtain soil; (3) The conventional equipment generally utilizes a scraper arranged at the tail part of the device to push soil so as to cover the soil on the surface of seeds to finish the soil covering operation, but the mode has uncertainty and cannot ensure that each sowing area can be covered with soil.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the ripping assembly of the present invention.
Fig. 3 is a schematic orthographic view of the overall structure of the present invention.
FIG. 4 is an enlarged view of a portion of the invention shown in FIG. 3 at reference A.
Fig. 5 is a schematic view of the installation of the drilling assembly of the present invention.
FIG. 6 is a schematic view of the mounting of the connecting frame and the delivery cartridge of the present invention.
FIG. 7 is a schematic view of the installation of the earth-boring conveying shaft and the electric cylinder.
FIG. 8 is a cross-sectional view of a tapered cartridge and delivery cartridge of the present invention.
Fig. 9 shows the data contents of table 1.
Fig. 10 shows the data contents of table 2.
Fig. 11 shows the data contents of table 3.
Fig. 12 shows the data contents of table 4.
Fig. 13 shows the data contents of table 5.
FIG. 14 is a graph of single factor effect.
FIG. 15 is P 2 O 5 And K 2 And (4) an interaction effect graph.
Fig. 16 is a predictedvs.
Figure 17 is a residualsvs. predicted graph.
Reference numerals are as follows: 1-a frame; 2-a fertilizer box; 3-sowing equipment; 4-a connecting seat; 5, a first motor; 6, a first belt structure; 7-a soil loosening rotating shaft; 8-a scraper; 9-a catheter; 10-a conical cylinder; 11-an electric cylinder I; 12-pressing a base; 13-a compression bar; 14-a spring; 15-a vibration motor; 16-electric cylinder two; 17-electric cylinder three; 18-belt structure two; 19-motor two; 20-a connecting frame; 21-a delivery cylinder; 22-a soil drilling conveying shaft; 101-a running roller; 102-a seeding rack; 201-fertilizing tube; 2001-mounting frame; 1701-connecting rod; 2201-spline shaft.
Detailed Description
The invention will be further described with reference to a specific embodiment, as shown in fig. 1 and 2, a fertilizer box 2 for fertilizing is arranged on the frame 1; a sowing device 3 for sowing is arranged on the frame 1, and a soil loosening assembly is arranged at the bottom of the frame 1; the bottom of the fertilizer box 2 is communicated with a fertilizing pipe 201, a seeding frame 102 is fixedly connected to the frame 1, a seeding device 3 is fixedly arranged on the seeding frame 102, and a travelling roller 101 for travelling is further arranged on the frame 1; the assembly that loosens the soil includes connecting seat 4 with 1 bottom fixed connection of frame, and the pivot 7 that loosens the soil is installed in the rotation on connecting seat 4, and the fixed motor 5 that is provided with on connecting seat 4 is connected with belt structure 6 on the output shaft of motor 5, and loosens the soil through the drive of belt structure 6 and rotates pivot 7.
As shown in fig. 3, 5, 6, 7 and 8, a scraping plate 8 is fixedly connected to the bottom of the frame 1, a conical cylinder 10 is fixedly connected to the scraping plate 8, a drilling assembly is slidably arranged above the conical cylinder 10, the drilling assembly comprises a connecting frame 20, a conveying cylinder 21 is fixedly arranged on the connecting frame 20, a soil drilling conveying shaft 22 is rotatably arranged inside the conveying cylinder 21, and a through hole matched with the outer circumference of the conveying cylinder 21 is arranged at the bottom end of the conical cylinder 10; when the conveying cylinder 21 moves and contacts with the ground, the outer circumference of the conveying cylinder 21 is matched with a through hole at the bottom end of the conical cylinder 10, and soil is conveyed upwards through the rotation of the soil drilling conveying shaft 22, so that the soil falls into the conical cylinder 10; a guide pipe 9 is arranged at the bottom end of the frame 1 and used for transporting crop seeds to the drilled holes; the drilling assembly further comprises a second electric cylinder 16 fixedly mounted at the bottom of the rack 1, and an expansion rod of the second electric cylinder 16 is fixedly connected with the connecting frame 20; the connecting frame 20 is fixedly connected with a mounting frame 2001, the connecting frame 20 is fixedly provided with a second motor 19, an output shaft of the second motor 19 is connected with a second belt structure 18, the second belt structure 18 drives the drilling soil conveying shaft 22, and a belt pulley on the second belt structure 18 is rotatably mounted on the mounting frame 2001; one end of the soil drilling conveying shaft 22 is fixedly connected with a spline shaft 2201, the spline shaft 2201 is in sliding connection with a belt pulley on the belt structure II 18, an electric cylinder III 17 is fixedly installed on the connecting frame 20, a connecting rod 1701 is fixedly connected to a telescopic rod of the electric cylinder III 17, and the connecting rod 1701 is in rotating connection with the spline shaft 2201; the scraper 8 is provided with a vibration motor 15 for vibrating the conical cylinder 10.
As shown in fig. 3 and 4, a soil compacting assembly is further arranged at the bottom of the machine frame 1, and the soil compacting assembly comprises a pressure rod 13, and soil is locally compacted through the pressure rod 13; the soil compacting assembly further comprises an electric cylinder 11 fixedly installed at the bottom of the rack 1, a compacting seat 12 is fixedly connected onto a telescopic rod of the electric cylinder 11, a pressing rod 13 in a linear array is arranged on the compacting seat 12 in a sliding mode, a spring 14 used for providing elastic force is sleeved on the pressing rod 13, and the spring 14 is connected between the compacting seat 12 and the end portion of the spring 14.
The device can be used for sowing seeds and granular seeds, and the applied fertilizer can be added according to different crops; taking the mung bean as an example of sowing and fertilizing, the fertilizer proportion suitable for the mung bean planting can be obtained through the following experiments.
In the earlier stage research, when mung beans are planted in specific areas, fertilizer input products are investigated, and the fact that the current mung bean farmers mostly apply base fertilizer of 600kg/ha (N-P) 2 O 5 -K 2 O = 15-15-15) as the main part, and applying corn compound fertilizer (generally with higher nitrogen content) to the bottom of a few planting households at 600kg/ha; combining the results of the previous researches, the final determination is that N75kg/ha and P are used 2 O 5 135kg/ha、K 2 And O135kg/ha is taken as a reference fertilizing amount.
In the test, the mung bean variety of tender green No. 7 is adopted, three factors of a nitrogen fertilizer, a phosphate fertilizer and a potassium fertilizer are designed, each factor has three levels, namely the nitrogen fertilizer (52.5 kg/ha, 75kg/ha and 97.5 kg/ha), the phosphate fertilizer (90 kg/ha, 135kg/ha and 180 kg/ha), and all the fertilizers are applied at the bottom once; the experiment set up 17 treatments in total, each treatment was repeated 3 times; the area of the cell is 3m multiplied by 3m, and an isolation zone is reserved around the cell; the mung beans are not irrigated during the growth period, and the prevention and control of diseases, pests and weeds are uniformly treated according to the conventional method; and (3) detecting the yield of the mung beans and analyzing the influence of fertilization on the mung beans.
The test processing data is shown in table 1 (fig. 9), the test result data shown in table 2 (fig. 10) is obtained through fitting of different equations, model selection is carried out through the test result, the yield difference of mung beans is large, and the change amplitude of the yield among different processes is as follows: 1034.5-1529.7 kg/ha; as can be seen from Table 2, the linear equation and the two-factor interaction relationship model R 2 Lower value, R of quadratic and cubic functions 2 The value is high, and the mismatching error of the quadratic function meets the requirement, so the quadratic function is selected as a fertilization model; assuming that the yield is Y, N is X1, P 2 O 5 Is X2, K 2 O is X3, the equation can be found:
the resulting fitting statistic-1 is shown in Table 3 (FIG. 11), the yield fitting results are shown in Table 4 (FIG. 12), and from Table 3, the predicted R in equation (1) 2 Value and adjusted R 2 The difference in values is large, which means that the equation cannot be used directly and needs to be corrected.
Through the analysis and the inspection of the data in the table 4, the P values of the AB and the AC are not significant, so that the two items can be gradually deleted and then fitted again; the adjusted fitting fertilization model is as the equation (2):
the fitting statistics obtained are shown in Table 5 (graph)13 Shown in (2), the prediction R in equation (2) 2 Value and adjusted R 2 Values are similar, and the description equation can be used, so that the equation (2) can be preliminarily deduced to be the solved fertilization model; a one-factor effect plot (FIG. 14), P, can then be derived 2 O 5 And K 2 Graph of the effect of O-interactions (fig. 15).
After equation verification is performed, after a fitting equation is obtained, it is generally verified that a residual error generated by calculation of test data basically conforms to normal distribution according to predictedvs.actual diagrams and resuidulsvs.predicted diagrams (fig. 16-17), and the distribution of each data point is irregular, which indicates that the equation has a good degree of fitting, and can be used in subsequent tests.
The following conclusions are drawn through the experiments:
1. according to the test result, the effect equation of the mung bean fertilizer in the coastal saline-alkali area is obtained by regression fitting:
2. in order to obtain the maximum yield, the obtained regression fitting equation respectively calculates the first-order partial derivatives of the variables to obtain a ternary linear equation set, and the fertilization amount when the yield is maximum can be obtained after the equation set is solved. According to the equation, when the input amount of the nitrogenous fertilizer is 85.64kg/ha, the input amount of the phosphate fertilizer is 179.815kg/ha and the input amount of the potash fertilizer is 179.84kg/ha, the yield can reach 1534.85kg/ha. Considering that the potassium fertilizer is expensive, the maximum yield is 1519.55kg/ha when the input amount of the potassium fertilizer is small, and the input amounts of the fertilizer at this time are 83.91kg/ha of the nitrogen fertilizer, 180kg/ha of the phosphate fertilizer and 90kg/ha of the potassium fertilizer.
The working principle of the sowing and fertilizing device provided by the invention is as follows:
in the embodiment, when the seeding and fertilizing work is carried out, fertilizer is placed in the fertilizer box 2; when the device integrally moves, the first motor 5 works to rotate the soil loosening rotating shaft 7 under the transmission of the belt, so that soil loosening is realized; the bottom of the scraper 8 scrapes the soil; fertilizer is put in through a fertilizing pipe 201; then, when sowing is carried out through the sowing equipment 3, firstly, drilling treatment is carried out, namely, the connecting frame 20 is controlled to descend through the second electric cylinder 16, so that the bottom end of the conveying cylinder 21 is attached to the surface of soil, and at the moment, the outer circumference of the conveying cylinder 21 is matched with the through hole at the bottom end of the conical cylinder 10 to form plugging; the second motor 19 works, the second drilling soil conveying shaft 22 rotates under the transmission of a belt, meanwhile, the third electric cylinder 17 controls the connecting rod 1701 to descend so that the second drilling soil conveying shaft 22 moves downwards to further drill into the soil, the soil is conveyed to the top of the conveying cylinder 21 by spiral conveying and falls to the inner side of the conical cylinder 10 through the top of the conveying cylinder 21, and the conveying cylinder 21 and the second drilling soil conveying shaft 22 move upwards and are separated from the surface of the soil, so that a drilled hole is exposed; sowing is carried out through the sowing equipment 3, seeds fall into the guide pipe 9, then fall into the drilled holes through the guide pipe 9, then the conveying cylinder 21 moves upwards and is separated from the through hole at the bottom end of the conical cylinder 10, namely, the blockage is removed, soil falls into the drilled holes again from the through hole at the bottom end of the conical cylinder 10, the seeds are covered, the conical cylinder 10 can vibrate through the vibration motor 15, and the soil is fully shaken off from the inner side of the conical cylinder 10; after the earthing is finished, the electric cylinder I11 is used for controlling the pressing seat 12 to move, the pressing rod 13 is used for compacting the soil covered on the seeds, the soil can be locally compacted by the compacting mode, the seeds can be stably located in the soil, the soil cannot be compacted tightly, and the growth of the soil cannot be influenced.
Claims (9)
1. A saline-alkali soil crop seeding and fertilizing device comprises a rack (1), wherein a fertilizer box (2) for fertilizing is arranged on the rack (1); be provided with seeding equipment (3) that are used for the seeding on frame (1), the bottom of frame (1) is provided with the subassembly that loosens the soil, its characterized in that: the bottom of the rack (1) is fixedly connected with a scraper (8), the scraper (8) is fixedly connected with a conical cylinder (10), a drilling assembly is arranged above the conical cylinder (10) in a sliding manner, the drilling assembly comprises a connecting frame (20), a conveying cylinder (21) is fixedly arranged on the connecting frame (20), a drilling soil conveying shaft (22) is rotatably arranged in the conveying cylinder (21), and the bottom end of the conical cylinder (10) is provided with a through hole matched with the outer circumference of the conveying cylinder (21); when the conveying cylinder (21) moves and is in contact with the ground, the outer circumference of the conveying cylinder (21) is matched with the through hole at the bottom end of the conical cylinder (10), and soil is conveyed upwards through the rotation of the soil drilling conveying shaft (22) so that the soil is conveyed and falls into the conical cylinder (10); a guide pipe (9) is arranged at the bottom end of the frame (1) and is used for transporting crop seeds to the drilled holes; the soil compacting machine is characterized in that a soil compacting assembly is further arranged at the bottom of the machine frame (1), the soil compacting assembly comprises a pressing rod (13), and soil is locally compacted through the pressing rod (13).
2. The seeding and fertilizing device for the crops in the saline-alkali soil as claimed in claim 1, characterized in that: the bottom of the fertilizer box (2) is communicated with a fertilizing pipe (201), a seeding frame (102) is fixedly connected to the rack (1), seeding equipment (3) is fixedly arranged on the seeding frame (102), and a traveling roller (101) used for traveling is further arranged on the rack (1).
3. The seeding and fertilizing device for the crops in the saline-alkali soil as claimed in claim 1, characterized in that: the soil loosening assembly comprises a connecting seat (4) fixedly connected with the bottom of the frame (1), a soil loosening rotating shaft (7) is rotatably mounted on the connecting seat (4), a first motor (5) is fixedly arranged on the connecting seat (4), a first belt structure (6) is connected to an output shaft of the first motor (5), and the soil loosening rotating shaft (7) is driven to rotate through the first belt structure (6).
4. The seeding and fertilizing device for the crops in the saline-alkali soil as claimed in claim 1, characterized in that: the drilling assembly comprises a second electric cylinder (16) fixedly mounted at the bottom of the rack (1), and an expansion rod of the second electric cylinder (16) is fixedly connected with the connecting frame (20).
5. The seeding and fertilizing device for the crops in the saline-alkali soil as claimed in claim 4, characterized in that: the soil drilling conveying device is characterized in that an installation frame (2001) is fixedly connected onto the connecting frame (20), a second motor (19) is fixedly arranged on the connecting frame (20), a second belt structure (18) is connected onto an output shaft of the second motor (19), the soil drilling conveying shaft (22) is driven by the second belt structure (18), and a belt pulley on the second belt structure (18) is rotatably installed on the installation frame (2001).
6. The seeding and fertilizing device for the crops in the saline-alkali soil as claimed in claim 5, characterized in that: one end of the soil drilling conveying shaft (22) is fixedly connected with a spline shaft (2201), the spline shaft (2201) is in sliding connection with a belt pulley on the belt structure II (18), an electric cylinder III (17) is fixedly mounted on a connecting frame (20), a connecting rod (1701) is fixedly connected to a telescopic rod of the electric cylinder III (17), and the connecting rod (1701) is rotatably connected with the spline shaft (2201).
7. The seeding and fertilizing device for the crops in the saline-alkali soil as claimed in claim 1, characterized in that: and the scraper (8) is provided with a vibration motor (15) for vibrating the conical cylinder (10).
8. The seeding and fertilizing device for the crops in the saline-alkali soil as claimed in claim 1, characterized in that: the soil compacting assembly comprises an electric cylinder (11) fixedly mounted at the bottom of the rack (1), a compression seat (12) is fixedly connected onto a telescopic rod of the electric cylinder (11), a compression rod (13) which is in a linear array is slidably arranged on the compression seat (12), a spring (14) used for providing elastic force is sleeved on the compression rod (13), and the spring (14) is connected between the compression seat (12) and the end of the spring (14).
9. A preparation method of a fertilizer for mung bean planting is characterized by comprising the following steps:
s10: adopting green bean variety No. 7, setting nitrogen fertilizer, phosphate fertilizer and potash fertilizer, and conventionally applying N75kg/ha and P 2 O 5 135kg/ha、K 2 O135kg/ha is taken as a reference fertilizing amount, the N variation range is 22.5kg/ha, and P 2 O 5 The variation amplitude is 45kg/ha and K 2 The O variation amplitude is 45kg/ha; three levels per factor, respectively nitrogen (52.5 kg/ha, 75kg/ha and 97.5 kg/ha), phosphate (90 kg/ha, 135kg/ha and 180 kg/ha), all applied at once;
s20: the experiment set up 17 treatments, each treatment was repeated 3 times; the area of the cell is 3m multiplied by 3m, and an isolation zone is reserved around the cell; the mung beans are not irrigated during the growth period, and the prevention and control of diseases, pests and weeds are uniformly treated according to the conventional method; detecting physiological indexes, yield and constituent factors of mung beans, and analyzing the influence of fertilization on each index;
s30: carrying out equation fitting and data fitting on the test result data, and finally obtaining a test conclusion: considering the mung bean yield, namely the mung bean yield reaches 1534.85kg/ha to the maximum, the input amount of a nitrogen fertilizer is 85.64kg/ha, the input amount of a phosphate fertilizer is 179.815kg/ha, and the input amount of a potassium fertilizer is 179.84kg/ha; from the economic point of view, the potassium fertilizer is expensive, furthermore, when the input amount of the potassium fertilizer is less, the maximum output of the mung bean is 1519.55kg/ha, and the input amount of the fertilizer is 83.91kg/ha of the nitrogen fertilizer, 180kg/ha of the phosphate fertilizer and 90kg/ha of the potassium fertilizer.
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| CN202211586935.3A CN115968599A (en) | 2022-12-09 | 2022-12-09 | Saline-alkali soil crop seeding and fertilizing device and fertilizer preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117530002A (en) * | 2023-12-26 | 2024-02-09 | 无棣润阳枣业有限公司 | Deep soil fertilizer injection unit based on close planting jujube garden |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117530002A (en) * | 2023-12-26 | 2024-02-09 | 无棣润阳枣业有限公司 | Deep soil fertilizer injection unit based on close planting jujube garden |
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