113 results about "Bulrush millet" patented technology

The invention discloses a SiERF109 gene for regulating drought resistance, salt tolerance and flavonoid accumulation of millet and application of the SiERF109 gene, and belongs to the technical field of plant breeding. According to the invention, a gene SiERF109 with a nucleotide sequence shown as SEQ ID NO.1 is separated and cloned from millet, and fluorescent quantitative expression analysis shows that SiERF109 participates in drought and salt stress response of millet. After the gene is over-expressed in foxtail millet, in drought and salt stress experiments, compared with a wild type strain, the survival rate and chlorophyll content of a strain over-expressed with the SiERF109 gene are remarkably increased, the flavonoid content is increased by 33.5%-39.5%, and active oxygen accumulation is remarkably reduced; it is shown that the SiERF109 gene and the protein coded by the SiERF109 gene can remarkably improve the drought resistance, the salt resistance and the flavonoid content of the plant.

The invention discloses an electric control air suction type seed metering device suitable for seeding pelletized millet, and relates to the technical field of agricultural machinery, the electric control air suction type seed metering device comprises an air suction chamber shell, a seed metering device rear cover, a seed box and a negative pressure port, an air suction disc is fixedly installed in the air suction chamber, and a seed metering disc is rotatably installed in the seed metering device rear cover; an air suction adjusting mechanism is arranged between the air suction disc and the air suction chamber shell, a plurality of groups of suction holes with different sizes are annularly and concentrically distributed in the seed metering disc, the air suction disc is provided with an air extraction opening corresponding to the suction holes, the seed metering disc is attached to the air suction disc, and the center of the air suction disc and the air suction chamber shell are hermetically mounted through a sealing bolt and a gasket; a seed falling area is arranged on the air suction disc, and when the seed metering disc reaches the seed falling area, seeds are separated from the suction holes and fall into a seed feeding opening in the bottom of the rear cover of the seed metering device; the suction holes of various sizes are formed in the seed metering disc, and the air suction adjusting mechanism on the air suction disc is combined, so that the seeds of different sizes are sucked and discharged.

The invention provides a millet heading period regulation gene BBX2 and application thereof, and belongs to the technical field of functional genes. The invention provides a Setaria italica L. Beauv. Heading period regulation gene BBX2. The nucleotide sequence of the gene BBX2 is shown in SEQ ID NO: 2. The gene BBX2 is related to the morning and evening of the heading period of millet. The foxtail millet BBX2 gene editing mutant material is created by agrobacterium mediation, and the result shows that compared with a wild foxtail millet material, the heading period of the foxtail millet BBX2 gene editing mutant material is obviously advanced. The gene BBX2 promotes heading of foxtail millet through negative regulation. The gene BBX2 provided by the invention provides an effective gene locus for screening or constructing a millet variety with an advanced heading stage and developing millet genetic breeding work, and also lays a foundation for large-area popularization and planting of millet.

The invention discloses a hydroponic culture method suitable for a small seed seedling stage. The hydroponic culture method comprises the following steps: disinfecting seeds; germinating the seeds; transplanting the millet seedlings; and replacing the nutrient solution and adding oxygen. According to the culture scheme, the seedlings grow well, control is obvious, complete root systems of the plants can be taken out, and the problem of root system damage is avoided when the root systems are studied.

This invention discloses a small-scale intelligent millet harvesting and sowing machine that solves the problems of low integration, insufficient targeting, complex operation, low efficiency, and poor terrain adaptability of existing millet harvesting machinery in hilly and mountainous areas. The invention includes an intelligent center and a vehicle body. A harvesting and material collection device, a transport and threshing device, a sowing device, and a fertilizing device are sequentially installed on the vehicle body. The inlet of the harvesting and material collection device corresponds to the inlet of the transport and threshing device. A non-destructive conveying device is connected to the outlet of the transport and threshing device, and the outlet of the non-destructive conveying device corresponds to a grain storage bin installed on the vehicle body. The grain storage bin is equipped with a grain mixing device. The sowing device is located between the harvesting and material collection device and the grain storage bin, and is equipped with a seed bin mixing device. This invention achieves unmanned and automated operation of the machinery, effectively ensuring the integration of field operations, and significantly reducing the input of human resources and the increased costs caused by frequent replacement of agricultural machinery.

The application discloses a precision covering hole device for dryland millet and a use method thereof, and relates to the technical field of agricultural planting. The device comprises a U-shaped horizontal plate, a plurality of trapezoidal plates are slidably arranged in the U-shaped horizontal plate, L-shaped supports are fixedly arranged on the rear side of the top surface of the trapezoidal plates, fixed pin shafts are hingedly and telescopically arranged at the front end of the L-shaped supports, and the fixed pin shafts are connected through a hinging assembly; two pairs of fixed lug seats are fixedly arranged on the bottom surface of the trapezoidal plates, a swinging shaft is rotatably arranged between each pair of fixed lug seats, a swinging connecting plate is fixedly arranged on the middle part of the swinging shaft, a pair of linkage shafts are rotatably arranged on the two sides of the top surface of the trapezoidal plates, and the bottom end of the linkage shaft is connected with the corresponding swinging shaft on one side through a limiting assembly. The structures of the parts are matched with each other, the spacing between the trapezoidal plates is adjusted, and the reciprocal swinging of the soil covering baffle is realized, so that the device can adapt to different field ridge spacings, complete precision soil covering work for millet, and improve the efficiency and quality of soil covering. The device has good practicability and popularization value.

This invention discloses KASP molecular markers related to the color and yellow pigment content of millet and their applications. The KASP molecular markers consist of forward primers F1 and F2, and a reverse primer R; forward primer F1 is single-stranded DNA as shown in sequence 1, forward primer F2 is single-stranded DNA as shown in sequence 2, and reverse primer R is single-stranded DNA as shown in sequence 3. Experiments have shown that this molecular marker can effectively identify the color and yellow pigment content of millet. The KASP molecular markers provided by this invention can identify the color and yellow pigment content of millet produced by millet varieties during the seedling stage. Combined with other agronomic properties, target types can be selected, providing breeders with more selection time points, significantly improving the efficiency of single-plant and line selection in breeding, and greatly accelerating the millet breeding process.

The application relates to the field of agricultural planting cultivation technology and discloses a high-temperature-resistant and stress-resistant millet cultivation regulation method, which comprises the following steps: adding deionized water, boric acid and 1,2-propylene glycol into a reaction kettle, adding potassium hydroxide aqueous solution dropwise after heating and constant temperature to adjust pH value and react; cooling water is introduced to cool, calcium lignosulfonate is added to form a fluid system through high-shear dispersion; gamma-aminobutyric acid is added and stirred to obtain a high-temperature-resistant and stress-resistant foliar spraying composition product; the relative water content of soil is maintained before millet seeding to the jointing stage, and the composition product is diluted and uniformly sprayed on the millet leaves before continuous high temperature and low humidity drought weather predicted by the weather forecast. The boric acid is converted into an organic complex state, the water solubility and leaf absorption rate of the effective component are improved, the stomata are adjusted through gamma-aminobutyric acid, the calcium lignosulfonate is used to form a film on the leaves, and the damages caused by high temperature and drought to the plants are synergistically relieved.

The application discloses a portable millet millet germplasm resource collecting bag and relates to the technical field of germplasm resource protection. The portable millet millet germplasm resource collecting bag comprises a collecting box. The collecting box is provided with a driving motor, a rotating shaft, a driving gear, a driven gear, a rotating rod and an eccentric wheel matched with a return spring. The driving motor drives the filtering frame to vibrate, the crop particles are filtered and screened, and the soil particles and impurities in the crop particles are filtered and treated. The collecting box, a negative pressure air pump, an air pipe and a dust cover are used to further absorb and collect the impurities generated by the vibration screening, and the treatment effect of the device on the impurities in the germplasm is improved. A heater, an air blower, a blowing pipe and an air outlet cover are arranged to dry the crop particles in the drying box, so that the crop particles are prevented from being accumulated, dampened and mildewed. The driving motor is connected to drive the driven rotating wheel, the stirring rod and the stirring blade to rotate, the crop particles in the drying box are stirred, and the crop particles are prevented from being unevenly dried.

The invention belongs to the field of millet harvesters, and particularly relates to a millet ear and stalk synchronous harvesting and threshing all-in-one machine which comprises a rack, walking wheels and a harvesting mechanism, the harvesting mechanism comprises clamping conveying belts and an ear pulling device, the clamping conveying belts are arranged in a bilateral symmetry mode to form clamping seams, a cutting-off device is further arranged at the tail ends of the clamping conveying belts, and the ear pulling device is arranged on the rack. The cutting wood extending above the clamping conveying belt is shifted to one side of the clamping conveying belt, and a header mechanism is further arranged and is connected with a threshing mechanism. The clamping conveying belt is adopted for clamping the whole millet, scions overhang above the clamping seam, along with advancing of the traction device, the millet moves to the scion pulling device along with the clamping conveying belt, the scions are pulled to one side of the clamping conveying belt through the scion pulling device, then the scions are cut off through the header mechanism and fall into the threshing mechanism, and then the millet is threshed. Synchronous harvesting and threshing operation of millet ears and stalks are achieved, the straw content during millet threshing is reduced, and the added value of millet planting is increased.

The invention belongs to the technical field of plant genetic engineering, and particularly relates to application of a PROSiCAPE14 gene and a protein encoded by the PROSiCAPE14 gene to improvement of plant salt tolerance. According to the invention, it is found for the first time that salt stress can cause down-regulation of the expression of the millet PROSiCAPE14 gene. Under a salt treatment condition, the plant height and the root length of a PROSiCAPE14 gene coded small peptide externally applied to millet and a constructed PROSiCAPE14 gene overexpression strain are obviously worse than those of a control group, and the plant height and the root length of a PROSiCAPE14 gene silent plant are obviously better than those of the control group. It is indicated that the PROSiCAPE14 gene plays an important role in the salt stress response process of the millet, and a foundation is provided for further research on the effect of the CAPE14 gene in the adaptation of the millet to abiotic stress and other possible biological functions.

The utility model belongs to the agricultural planting technical field discloses a kind of easy folding bagging suitable for millet, including bag body, bag tongue being arranged at the opening end of bag body and pre-opening being arranged at the bottom of bag body, deformable metal strip is embedded in the inside or outside of bag tongue, the pre-opening is formed by pre-cutting line or indentation line and is provided with auxiliary mark;The utility model solves the problems of cumbersome operation, inconvenient opening in the prior art bagging fixation, realizes bag tongue fast fixation by deformable metal strip, realizes tool-free quick opening using pre-opening design, reduces the operation difficulty and the risk of injuring millet, is suitable for bagging isolation and artificial pollination operation in the process of millet hybridization breeding, with the advantages of simple operation, reliable fixation, convenient opening, etc., significantly improves the bagging efficiency and reliability of millet hybridization breeding.

The invention relates to the technical field of seedling cultivation, and discloses an intelligent constant-temperature millet seedling cultivation device which comprises a cultivation box, door bodies are arranged on the two sides of the cultivation box, guide rails are arranged in the cultivation box at equal intervals, partition blocks are arranged in the middles of the guide rails, and cultivation boxes are symmetrically arranged on the guide rails; a low-loss observation assembly is arranged on the door body, and the low-loss observation assembly can reduce the loss amount of temperature and humidity in the cultivation box when the cultivation box is observed. When the development condition of millet in the cultivation box is observed, air in the cultivation box cannot be exchanged with the outside, temperature and humidity cannot be greatly lost, loss of the temperature and the humidity in the cultivation box is greatly reduced when the millet is observed, and when the development condition of the millet in the cultivation box is observed, the carrier plate is lifted to drive the millet to move to the position close to the leakage-proof structure, so that the growth condition of the millet in the cultivation box is observed. Therefore, the development condition of the millet can be observed more clearly.

The invention provides an early sowing and rainwater collecting planting method for arid and semi-arid areas, and belongs to the technical field of crop cultivation. The invention provides a millet planting method in arid and semi-arid regions, which comprises the following steps: when a soil layer is unfrozen by at least 20cm in spring, performing full film mulching and sowing on seeds and seed fertilizers subjected to seed dressing treatment; and supplementing a foliar fertilizer in the key growth period of the millet. According to the method, through seed dressing and full-film sowing of seed fertilizer, in combination with supplement of foliar fertilizer, early sowing and early maturing of millet can be completed only through rainfall, the utilization rate of fertilizer, pesticide and water is remarkably increased, the yield is increased, and the cost is saved.

A device for rapidly detecting the germination rate of millet seeds comprises a control system used for obtaining local meteorological information data and generating control data according to the obtained local meteorological information data to control the device for rapidly detecting the germination rate of millet seeds; an equipment cabin box and an experiment cabin box are arranged in the device frame, and a temperature control unit is arranged in the equipment cabin box; and the steam generation unit is used for providing ultrasonic water vapor for the experiment module. The control system is specially arranged, local meteorological data are obtained by the control system, and control parameters are generated according to the local meteorological data to control the operation of the system, so that the system can truly restore the field operation environment to the maximum extent in the experimental environment from the aspects of temperature, humidity and the like; therefore, the seed germination rate closest to the real data is obtained. The device is reasonable in structural design and convenient to use, and more reliable and real germination rate can be obtained.

The application provides a herbicide composition for preventing and treating cyperus iria, a preparation method and application thereof, and aims to solve the technical problem of lacking effective and controllable herbicide for cyperus iria and various monocotyledonous and dicotyledonous weeds in the field. The herbicide composition is composed of effective components and necessary adjuvants, wherein the effective components are composed of atrazine, halosulfuron, thifensulfuron-methyl and fluroxypyr according to a weight ratio of 9.0-54.0:0.75-3.0:0.75-3.8:1.5-6.5. The herbicide composition has rapid and effective prevention and control effects on common annual grass weeds and broadleaf weeds in the millet field, and can eradicate the malignant weed cyperus iria. The herbicide composition is safe to the millet, and can also play a certain role in controlling the growth of the millet, reduce the plant height of the millet, reduce the risk of lodging of the millet, and improve the yield of the millet.

The invention relates to the technical field of agriculture and genetic engineering, and particularly discloses application of a SibZIP11 gene in regulation and control of drought tolerance of millet, and the nucleotide sequence of the SibZIP11 gene is shown as SEQ ID NO.1. The invention further discloses a preparation method of the SibZIP11 gene. According to the invention, the transgenic millet strain is constructed by knocking out the millet SibZIP11 gene, so that the drought tolerance of millet is enhanced.

The application discloses SNP sites related to the length of foxtail millet bristles, molecular markers and application of the SNP sites. The SNP sites comprise a first SNP site and a second SNP site. The first SNP site is located at the 38241023th position of a first chromosome of the foxtail millet, and the allelic variation is T / C. The second SNP site is located at the 35484548th position of a fifth chromosome of the foxtail millet, and the allelic variation is A / G. When the first SNP site shows the C allelic variation and the second SNP site shows the A allelic variation, the length of the foxtail millet bristles is longer. The SNP marker provided by the application is significantly related to the bristle trait (length), and the SNP marker is used to connect the genomic DNA sequence with the foxtail millet bristle trait gene, thereby being beneficial to the establishment of a foxtail millet molecular marker assisted breeding system and providing a direction and basis for more fine positioning and foxtail millet breeding.

The utility model discloses a foxtail millet seeding row spacing adjusting device, which comprises an installation rod, a plurality of groups of seeding assemblies are arranged on the installation rod and are installed on the installation rod through an adjusting mechanism, the adjusting mechanism comprises a plurality of groups of adjusting holes, an adjusting sleeve, an inserting rod and a quick fixing mechanism, the adjusting holes are distributed on the installation rod, and the inserting rod is sleeved on the adjusting sleeve. The adjusting sleeve is connected with the multiple sets of seeding mechanisms and slides on the outer wall of the mounting rod, the inserting rod is inserted into the adjusting hole, the quick fixing mechanism comprises a fixing sleeve, clamping pieces, clamping grooves, compression springs, a push plate and a quick detaching mechanism, the fixing sleeve is arranged at the top end of the inserting rod, the multiple sets of clamping pieces are distributed on the inner wall of the fixing sleeve, and the multiple sets of clamping grooves are distributed in the outer wall of the inserting rod; a clamping structure of a fixing sleeve, a clamping piece and a clamping groove in the quick fixing mechanism is adopted, the elastic pressing design of a compression spring and a push plate is combined, and quick fixing of the adjusting position is achieved through the synergistic effect of multiple sets of components.

The application provides application of a CAPS molecular marker GW18 in identification of foxtail millet (Setaria italica) resistance to rice blast, and belongs to the technical field of molecular marker breeding. The application provides the application of the CAPS molecular marker GW18 in identification of the foxtail millet resistance to the rice blast, and G / T polymorphism exists at 34523782 bp of the 6th chromosome of the foxtail millet; when the polymorphism is G, the resistance to the rice blast cannot be recognized by a restriction enzyme, and is identified as the susceptibility to the rice blast; when the polymorphism site is T, the GW18 target sequence can be recognized by the restriction enzyme and is cut into two segments, and is identified as the resistance to the rice blast. The marker has a high co-separation rate with the disease resistance, a rapid, accurate and low-cost detection method, and can be used for rapid identification of foxtail millet germplasm resources resistant to the rice blast and molecular marker assisted breeding, and has important significance for improving breeding efficiency and guaranteeing safe production of the foxtail millet.

This invention discloses the application of the CLE11 small peptide gene in regulating plant salt tolerance, belonging to the field of biomaterials technology. This invention uses millet as the research material and clones... SiPROCLE11 Gene (CLE11 small peptide gene), construction SiPROCLE11 Overexpression and silencing of millet materials, exogenous application of the synthetic peptide SiCLE11p, and its role in enhancing millet salt tolerance were determined. Further investigation revealed that it can promote lateral root development and reduce Na+ in the roots. + This accumulation of knowledge laid the foundation for the discovery of salt-tolerant genes in millet and for salt-tolerant millet breeding.

The invention belongs to the technical field of molecular markers, and particularly relates to an InDel marker linked with salt tolerance of millet in the germination period and application of the InDel marker, the nucleotide sequence of the InDel marker is shown as SEQ ID NO.1, and G or GGCAGCCACCACA is located at the 301st basic group. The invention discloses an InDel molecular marker linked with the salt tolerance of millet in a germination period. The salt tolerance of the millet in the germination period can be subjected to good typing by utilizing the InDel molecular marker. According to the polymorphism difference, the molecular marker can be used for molecular marker-assisted breeding of the salt tolerance of the millet in the germination period, molecular-assisted technical support is provided for early identification and screening breeding of the salt tolerance of the millet in the germination period, and the molecular marker has important theoretical and practical guiding significance for accelerating genetic breeding of salt-tolerant millet varieties.

The invention provides development and application of an anti-pyrithiobac-sodium KASP molecular marker, and belongs to the technical field of genetic typing. The invention provides a KASP typing primer group for detecting the SNP site of the millet anti-pyrithiobac-sodium gene, and verifies that the resistance of millet to pyrithiobac-sodium herbicide is caused by single SNP mutation of an ALS target site. The KASP primers are designed on the basis of SNP loci, the primer pair can be used for accurately distinguishing resistance, susceptibility and heterozygous genotypes, and the method has the advantages of being stable and reliable in result, easy and convenient to operate, rapid and high in automation degree. By adopting the molecular marker to assist breeding, the breeding of the pyrithiobac-sodium-resistant millet matching variety can be accelerated, the breeding period can be shortened, the breeding efficiency can be improved, and the high-throughput identification of the pyrithiobac-sodium-resistant herbicide genotype and the molecular marker to assist the breeding of herbicide-resistant millet are significant.

The application discloses application of a soil improver in improving planting millet in coastal plain saline soil. The soil improver is prepared by the following method: ploughing land, mixing soil and excrement and straw, piling on the ploughed land to carry out fermentation, and obtaining the soil improver after the fermentation is finished; the improving method is ploughing the land again to uniformly mix the soil improver with the soil. The mass ratio of the soil and the excrement and the straw is 1:1; the straw is wheat straw. The total application amount of the excrement and the straw is 50-200 kg per mu. The excrement and the straw are fermented together, the fermentation product is used as the soil improver to improve the coastal plain saline soil and plant millet, the yield of the millet planted in the coastal plain saline soil can be improved, and the pH and the total salt content of the coastal plain saline soil can be reduced.

The application discloses SiERF4 and SiERF4-like The application of the genes in improving the salt tolerance of millet belongs to the technical field of crop genetic breeding. SiERF4 The genes and SiERF4- like Single knockout or double knockout is performed on the genes to obtain a mutant strain of millet with significantly improved salt tolerance. SiERF4 The mRNA sequence coded by the gene is shown as SEQ ID NO. 1, and the amino acid sequence is shown as SEQ ID NO. 2; SiERF4-like The mRNA sequence coded by the gene is shown as SEQ ID NO. 3, and the amino acid sequence is shown as SEQ ID NO. 4. The application first finds that SiERF4 and SiERF4- like The gene is a negative regulation gene responding to salt stress, and knocking out the gene can significantly improve the salt tolerance of the millet, and has important practical significance for cultivating salt-tolerant millet varieties and developing and utilizing saline land.

The invention relates to the technical field of agricultural production, and particularly discloses a humic acid biochar composite preparation and a preparation method and application thereof, and the humic acid biochar composite preparation is composed of 120-480 kg / mu of biochar and 49-51 L / mu of 100-400 mg / L of humic acid. The humic acid biochar composite preparation provided by the invention can significantly improve the activity of millet protective enzyme, improve the physical and chemical properties of soil, enhance the enzyme activity of soil, enhance the stress resistance of millet and the fertility of millet planting soil, and promote the growth and development of millet seedlings.

The application discloses a kind of plant foliar spraying agent for improving crop drought resistance.The plant foliar spraying agent is the mixed solution of fatty alcohol polyoxyethylene ether and soyasaponin Bb, in the mixed solution, the ratio of the fatty alcohol polyoxyethylene ether to the soyasaponin Bb is 1 mM:2.5-5.0 mg.Through the research of the application, the growth of soybean, wheat and millet after spraying the plant foliar spraying agent of the application under water control or drought condition is better than that of the control group, and the soybean, wheat and millet are more drought-resistant, with higher proline and lower malondialdehyde content.The plant foliar spraying agent of the application has quick effect, can improve the drought resistance of plants in a short period of time, thereby improving the drought resistance of crops, thereby improving the yield of crops in seasonal drought and drought areas, achieving the purpose of stable grain yield and economic benefits.

The present application provides a kind of herbicide composition for anti-benzoxyacetone phenoxy acid double oxygenase inhibitor and the herbicide safener containing quinoline structure;The herbicide composition prepared by the present application can reduce the phytotoxicity of herbicide to gramineous crops such as wheat, rice and millet without affecting the efficacy of herbicide;For three different gramineous crops such as wheat, rice and millet, the composition of the present application is significantly better than the composition for reducing the phytotoxicity of herbicide to rice and millet in reducing the phytotoxicity of herbicide to wheat.

The application discloses a kind of full biodegradable mulching film's laying film seeding device, including frame, the front end of frame is connected with tractor, two travelling wheels are symmetrically rotationally arranged in the both sides of frame;Seeding assembly, film coating assembly and opening assembly are sequentially arranged on frame;Seeding assembly includes seed box, and the bottom of seed box is fixedly provided with multiple seeding tubes;Film coating assembly includes film placing roller, film guide roller and film pressing roller;Opening assembly includes multiple vertical slidingly arranged cutter holder rods in the end of frame, and the lower end of each cutter holder rod is fixedly provided with annular opening cutter respectively.The application can dynamically adjust the tension degree of mulching film according to the characteristics that full biodegradable mulching film is sensitive to tensile stress, so as to ensure the laying quality of full biodegradable mulching film.In addition, the application can form circular through holes on mulching film, and the fine and short seedlings of millet and other small plant crops can easily stretch out from the holes, without the need for manual assistance to break the film and release seedlings, so as to adapt to the demand of large-area planting.

The invention relates to the technical field of agricultural machinery, in particular to a weed control and fertilization integrated device for millet planting, which comprises a rack and two rows of moldboards arranged on the rack, a plurality of discharging boxes which are distributed in a linear array mode and correspond to the moldboards are arranged on the bottom face of the fertilizer hopper in a penetrating mode, a fertilizer applying assembly used for applying fertilizer is arranged on each discharging box, a fertilizer uniformizing assembly used for adjusting the fertilizer applying amount is arranged on the inner side of each discharging box, and an adjusting structure used for operation of workers is arranged on each fertilizer uniformizing assembly. The adjusting structure drives the baffle and the shielding plate to slide in the quantitative groove, the volume of the quantitative groove can be flexibly changed, the fertilization amount can be accurately adjusted, the fertilizer input amount can be accurately controlled according to dynamic parameters such as soil fertility and the crop growth stage, resource waste and soil hardening caused by excessive fertilization are avoided, and the fertilization efficiency is improved. Meanwhile, the crop yield is prevented from being influenced by insufficient fertilization, and the fertilization accuracy and efficiency are improved.