556 results about "Rice plant" patented technology

The invention discloses a rice plant segmentation method and system based on view angle transformation and dense point clouds, and the method comprises the steps: scanning a rice field through employing an unmanned plane laser radar system, and obtaining the dense point clouds of a rice canopy; performing angle transformation processing on the dense point cloud by adopting an overlooking angle to obtain a two-dimensional image of the dense point cloud at the overlooking angle; calculating a homography matrix from the dense point cloud to the two-dimensional image, and establishing an accurate mapping relation between the three-dimensional point cloud and the two-dimensional image; for the two-dimensional image, carrying out segmentation marking on the rice plant by adopting a region marking method so as to realize accurate segmentation and individual marking of the rice plant on a two-dimensional plane; and endowing each point in the point cloud with a corresponding region mark number by using a mapping relationship between the three-dimensional point cloud and the two-dimensional image, and further obtaining a rice plant segmentation result of the whole dense point cloud. According to the method, high-precision rice plant segmentation is realized, and more reliable and efficient technical support is provided for precision agricultural management and phenotype analysis of rice.

The invention relates to the field of rice gene engineering, and particularly provides OsSULTR2; the invention also discloses application of the 2 protein and the coding gene thereof in regulating and controlling the salt tolerance of rice. The protein meets the following conditions: B1) a protein with an amino acid sequence of SEQ ID NO.1; and B2) a fusion protein with the same function obtained by connecting a tag to the N end and / or C end of B1). The method is used for detecting OsSULTR2; the salt stress phenotype identification in the seedling stage is carried out on the transgenic rice with the gene knockout 1, 2, and the result shows that when the gene segment is deleted, the salt stress tolerance of the rice is improved, and the function and the application way of the gene are proved. Therefore, the OsSULTR2 of the present invention; the 2 protein and the coding gene thereof can regulate and control the salt tolerance of rice, and have important significance for cultivating salt-tolerant transgenic rice.

The invention discloses an application of a LOCOs12g07640 gene and an encoding protein thereof in improving drought stress resistance of plants. The drought resistance of rice germplasm resources of the inventor is investigated and researched, whole genome association analysis is combined with drought treatment expression level analysis results to screen out the gene shown in SEQ ID No.1, and the gene possibly has the capability of enhancing the drought stress tolerance of rice. By simulating drought stress conditions and observing phenotypic changes of overexpression and CRISPR knockout rice plants through direct seeding in dry land, the result shows that the drought stress tolerance of the overexpression LOCOs12g07640 gene plant in rice is enhanced, the rice plant with the gene knocked out and mutated is more sensitive to drought stress, and the drought stress resistance of rice is reduced. The rice stress resistance is improved and enhanced, the stress-resistant molecular breeding process is accelerated, the drought stress resistance of plants is improved or plant varieties with the drought stress resistance are cultivated, and the like.

The invention provides a Ustilaginoidea virens gene UvASE2 for regulating and controlling rice resistance and application of the Ustilaginoidea virens gene UvASE2, and relates to the technical field of plant genetic engineering. The nucleotide sequence of the Ustilaginoidea virens gene UvASE2 is as shown in SEQ ID NO: 1, and the amino acid sequence of the encoding protein of the Ustilaginoidea virens gene UvASE2 is as shown in SEQ ID NO: 2. By constructing a transgenic rice plant for heterologous expression of UvASE2, it is found that the transgenic rice can significantly improve the resistance to false smut and bacterial blight and significantly induce the outbreak of active oxygen. The heterologous expression UvASE2 gene of Ustilaginoidea virens has the function of positively regulating and controlling the disease resistance of rice, and the UvASE2 gene can be used for improving the disease resistance of rice and has important significance on creation of disease-resistant germplasm of rice.

The invention provides a rice yield prediction method and system based on multi-source time sequence remote sensing data, and relates to the field of agricultural informatization and remote sensing technology application, and the method comprises the steps: collecting multi-spectral data and laser radar data, and carrying out the precise geographic positioning of the data through a high-precision satellite positioning system, obtaining multi-source unmanned aerial vehicle remote sensing data; performing camera internal orientation, wave band registration, orthoimage splicing and embedding, radiation correction and remote sensing index calculation on the multispectral data to obtain processed multispectral data; and performing point cloud reconstruction and point cloud filtering on the laser radar data, and calculating the height of the rice plant to obtain processed laser radar data. According to the method, multi-source remote sensing data and spatio-temporal data are fused, and remote sensing characteristics of different phenological periods of rice are dynamically analyzed and filtered, so that the precision and reliability of rice field yield prediction are remarkably improved.

According to the rice field methane emission prediction method based on the CH4MN model, the influence of the rice field methane emission microorganism process and soil nitrogen is considered, the uncertainty of simulation is reduced, and rice field methane emission is accurately predicted. Comprising the following steps: S1, acquiring rice field agricultural production input, water management measures, meteorological data, observed rice field soil environment information, rice information and microorganism information as input data of a CH4MN model; s2, based on a CH4MN model algorithm, calculating a substrate source and a soil environment required by methane generation, and the influence of soil nitrogen on organic matter decomposition; s3, calculating the influence of soil oxidation reduction potential, microorganisms and rice plants on methane generation and oxidation based on a CH4MN model algorithm; s4, calculating a methane generation rate and an emission rate based on a CH4MN model algorithm by using the methane generation and oxidation influence factors calculated in the step S1-3; and S5, verifying the CH4MN model precision based on point observation information.

The invention belongs to the technical field of plant genetic engineering, and particularly relates to an SCRE10 gene for improving rice disease resistance and application of the SCRE10 gene, the base sequence of the SCRE10 gene is shown as SEQ ID NO.1, and the amino acid sequence of the SCRE10 gene is shown as SEQ ID NO.2. Through construction of a dexamethasone induced expression SCRE10 transgenic rice plant, it is found that the transgenic rice can significantly induce PR gene expression and active oxygen outbreak, and the resistance of rice to false smut and bacterial leaf blight can be improved. The invention proves that heterologous inducible expression of the Ustilaginoidea virens SCRE10 gene has the function of positively regulating the disease resistance of the rice, and the SCRE10 gene can be used for improving the disease resistance of the rice, which is of great significance to the creation of disease-resistant germplasm of the rice.

The invention discloses a rice SDR1 gene as well as an encoding protein and application thereof. The invention relates to a gene SDR1 for regulating the plant height. One or more nucleotides are added, substituted, inserted or deleted in the nucleotide sequence shown in SEQ ID NO: 1 or SEQ ID NO: 2 of the SDR1 gene to generate a mutant, an allele or a derivative. Through phenotypic analysis, genetic analysis, gene cloning and expression analysis of the screened dwarf mutant, the gene participating in rice plant height development regulation of the dwarf mutant is determined, and a foundation is laid for further analysis of a molecular regulation network of rice stem development. The gene SDR1 disclosed by the invention has a remarkable effect on further adjustment of the plant height of the dwarf rice, so that the gene SDR1 has an important influence on optimization of the plant type of the dwarf rice.

The invention discloses a rice OsFb34 gene as well as an encoding protein and application thereof, and relates to the technical field of plant genetic engineering. The CDS nucleotide sequence of the rice OsFb34 gene disclosed by the invention is as shown in SEQ ID NO.1, and the amino acid sequence of the encoded protein of the rice OsFb34 gene is as shown in SEQ ID NO.2. The method comprises the following steps: constructing a knockout vector of a rice OsFb34 gene; transforming the constructed knockout vector into rice; and cultivating and screening to obtain a transgenic rice plant with reduced rice grain length, increased grain width and reduced length / width ratio. The mutants of osfb34-1 and osfb34-2 both show phenotypes that the grain length is reduced and the grain width is increased, so that the ratio of the length / width ratio is reduced. The result shows that the OsFb34 gene deletion can cause the reduction of the grain length and the increase of the grain width of the rice, and further cause the reduction of the length / width ratio.

The invention discloses application of a rice gene OsPILS1 in regulation and control of rice yield, and relates to the technical field of rice transgenosis. According to the invention, after the gene OsPILS1 is over-expressed in rice 9311, the number of secondary branches and the number of grains per ear are obviously increased; an editing vector containing an OsPILS1 gene editing site is transferred into rice 9311 to carry out knockout editing on the gene, and phenotypic statistics show that the number of secondary branches of transgenic rice is obviously reduced, and the number of grains per ear and the yield of a single plant are also obviously reduced. The results show that the OsPILS1 gene can obviously increase the number of grains per panicle by regulating and controlling the development of secondary branches of rice, so that the rice yield is regulated and controlled. Therefore, the rice yield can be effectively regulated and controlled by regulating and controlling the expression level of the OsPILS1 gene in rice plants, and the OsPILS1 gene has a huge application prospect in scientific research of breeding new high-yield rice varieties by molecular breeding.

The invention discloses a numerical analysis method for predicting speed distribution of downwash airflow of an unmanned aerial vehicle in a rice canopy based on a fluid-solid coupling method. The numerical analysis method comprises the following steps: measuring physical parameters of rice plants based on physiological characteristics of rice; establishing a three-dimensional rice plant model based on three-dimensional geometric modeling software; dividing a three-dimensional rice plant canopy grid based on grid division software; establishing a fluid-solid coupling model of the lower washing flow field of the unmanned aerial vehicle and the rice canopy; setting an initial boundary condition and performing spatial discretization; full-coupling finite element numerical simulation of the fluid-solid coupling model is carried out; performing post-processing on the numerical simulation result based on flow field post-processing software to obtain an evolution process and spatial distribution of the downward washing flow field of the unmanned aerial vehicle and dynamic behaviors of rice plants; and analyzing the influence of the dynamic behavior of the rice plant on the downwash airflow of the unmanned aerial vehicle, and determining the distribution rule of the downwash airflow speed in the rice canopy. The problems of high time consumption, influence of external conditions, difficulty in copying, limitation and the like are effectively solved.

The invention relates to the technical field of gene engineering, and discloses an METS2 gene for regulating and controlling the grain shape of rice, a protein and application of the METS2 gene, and the nucleotide sequence of the METS2 gene is shown as SEQ ID NO.1. The invention further discloses application of the METS2 gene in regulation and control of the rice grain shape. According to the METS2 gene for regulating and controlling the rice grain shape, the protein and the application of the METS2 gene, the METS2 gene is overexpressed in a rice plant, short-grain-shaped rice can be obtained, the short-grain-shaped rice is not prone to breakage in the processing process, and the quality of a finished product is high; a basis is provided for further clarification of the molecular mechanism of the rice grain shape, and new gene resources and breeding resources are provided for rice breeding.

The invention provides a rice variable rate fertilization method and device, electronic equipment and a storage medium, and relates to the technical field of agricultural intelligent information process.The method comprises the steps that non-rice plant interferents in a multispectral remote sensing image are removed, and a rice plant canopy mask is generated; based on the rice plant canopy mask, multi-dimensional features of the rice plant canopy are extracted and fused, and a fused growth feature vector is obtained; grading the rice growth vigor according to the fused growth vigor feature vector through a growth vigor grade prediction model to obtain a predicted growth vigor grade; performing standardization processing on the predicted growth vigor level to obtain a standardized growth vigor level; determining a nitrogen fertilizer adjustment factor based on the standardized growth vigor grade; and according to the nitrogen fertilizer adjustment factor, adjusting a standard nitrogen application amount to obtain a recommended nitrogen application amount. According to the invention, accurate recommendation of the nitrogen application amount in the rice planting process can be realized, so that accurate fertilization is realized.

The invention relates to the technical field of gene engineering, and discloses a rice flood-resistant gene ST4 and application thereof. The nucleotide sequence of the rice flood-resistant gene ST4 is as shown in SEQ ID NO.1, and the coding sequence of the rice flood-resistant gene ST4 is as shown in SEQ ID NO.2. The amino acid sequence of the rice flooding-resistant protein encoded by the rice flooding-resistant gene ST4 is shown as SEQ ID NO.3. By adopting the rice flood-tolerant gene ST4 and the application thereof, the rice flood-tolerant gene ST4 is over-expressed in a rice plant, the germination rate and the seedling rate of rice can be obviously improved, and a foundation is laid for cultivating flood-tolerant rice.

The invention belongs to the technical field of plant gene engineering, and particularly relates to an OsNUC1 gene and application of a gene mutant constructed by the OsNUC1 gene to regulation and control of rice plant height, leaf length and panicle type. The regulation is to regulate the plant height and leaf growth of the rice and influence the shape of the ear part. Compared with the prior art, the OsNUC1 gene mutant has the following advantages: (1) the OsNUC1 is directionally edited by utilizing a CRISPR / Cas9 gene editing technology, an OsNUC1 gene mutant rice material is obtained, the biological phenotype of the OsNUC1 gene mutant rice material is investigated, the phenotype investigation on T1-generation seedlings of the OsNUC1 shows that the plant heights and the leaf lengths of one-week-old and two-week-old seedlings of the mutant are obviously higher than those of wild seedlings, the leaf widths have no obvious difference, and the OsNUC1 gene mutant rice material has a good application prospect; the result shows that the OsNUC1 can regulate the plant height and the leaf growth of the rice and influence the shape of the ear part. (2) it is proved that the nucleolin gene OsNUC1 is negatively regulated by a transcription factor OsARF7, and the phenotypes such as the plant height, the leaf length, the grain length and the grain width of the OsNUC1 / OsARF7 mutant are more obvious than those of the OsNUC1 mutant. The invention further proves the application of the OsNUC1 gene in regulation and control of rice plant height and leaf growth.

The invention belongs to the field of crop genetic breeding, and particularly relates to a rice blast resistant gene OsK8 (Os04g0658700 gene) and application thereof. The invention discloses a rice blast resistance gene OsK8. The nucleotide sequence of the gene is shown as SEQ ID NO: 1. The invention also discloses application of the rice blast-resistant gene OsK8. The OsK8 gene is knocked out from rice, so that the resistance of rice plants to pyricularia oryzae can be effectively enhanced; and the gene Os04g0658700 is overexpressed in the rice, so that the resistance of the rice to the pyricularia grisea is reduced.

The invention discloses an application of a rice high environment temperature response gene OsTOGR4. According to the invention, a key factor for regulating and controlling the growth and development of a rice plant at the high environment temperature is identified for the first time, and a method for cultivating the rice adapting to the high environment temperature by mutating the OsTOGR4 gene is disclosed, so that gene resources and a research basis are provided for cultivating excellent rice varieties adapting to the high environment temperature.

The invention discloses a transgenic breeding method for synthesizing catechin in rice seed endosperm, and relates to the technical field of biology. The transgenic breeding method comprises the following steps: transforming a recombinant vector into a rice callus, and culturing into a transgenic rice plant, the recombinant vector comprises a gene expression box for expressing CsCHI protein, a gene expression box for expressing CsCHS protein, a gene expression box for expressing CsF3H protein, a gene expression box for expressing CsDFR protein, a gene expression box for expressing CsLAR protein, a gene expression box for expressing CcF3 '5' H protein, a gene expression box for expressing transcription factor OsMYBP1 protein and a gene expression box for expressing transcription factor OsRc protein. According to the invention, the synthesis of catechin in endosperm of crops (rice) is realized for the first time, and the product can be used as a raw material for producing catechin, and has important guiding significance for novel functional breeding.

The invention discloses an application of an OsST1 gene in regulating and controlling the salt tolerance of rice. Belongs to the technical field of plant genetic engineering. The invention provides the application of the OsST1 gene in regulation and control of the salt tolerance of the rice, the effect of the OsST1 gene in the salt tolerance of the rice is proved for the first time, and research finds that overexpression of the OsST1 gene can improve the salt tolerance of a rice plant and improve the survival rate of the rice plant under salt stress, which indicates that the OsST1 gene has the effect of regulating and controlling the salt tolerance of the plant, and the application of the OsST1 gene in the regulation and control of the salt tolerance of the rice plant. The adverse effect of soil salinization on rice growth in practical application is solved, and meanwhile, biological function verification of the gene also has important reference significance for rice salt tolerance molecular mechanism research.

The embodiment of the invention discloses a molecular marker related to a rice tiller number regulation gene and application of the molecular marker. The molecular marker comprises nucleotide single base mutation at the 28427378bp and the 28513517bp on the No.3 chromosome of a rice genome and insertion of two nucleotide bases at the 28428063bp and the 284283477bp, and the molecular markers are SNP328427378A / G, INDEL328428063C / CAT, INDEL3284283477T / TAC and SNP328513517C / T. The molecular marker is characterized in that the nucleotide single base mutation at the 28427378bp and the nucleotide single base insertion at the 28428063bp and the 284283477bp on the No.3 chromosome of the rice genome are shown in the description. The molecular marker provided by the invention can be used for rapidly and accurately detecting genotypes with more tillering numbers of the rice OsTB1 and OsSLR1 genes, and is beneficial to efficient application of the genes in improvement of a rice plant type structure.

The invention discloses an application of an OsEnS-110 gene in regulating and controlling the salt tolerance of rice. Belongs to the technical field of plant genetic engineering. The invention provides the application of the OsEnS-110 gene in regulation and control of the salt tolerance of the rice, the effect of the OsEnS-110 gene in the salt tolerance of the rice is proved for the first time, and research finds that overexpression of the OsEnS-110 gene can improve the salt tolerance of a rice plant and improve the survival rate of the rice plant under salt stress, which indicates that the OsEnS-110 gene has the effect of regulating and controlling the salt tolerance of the plant, and the application of the OsEnS-110 gene in the regulation and control of the salt tolerance of the rice plant. The adverse effect of soil salinization on rice growth in practical application is solved, and meanwhile, biological function verification of the gene also has important reference significance for rice salt tolerance molecular mechanism research.

The invention relates to the field of intelligent agriculture, in particular to a high-salt-tolerance rice planting management system based on image recognition, which comprises a data acquisition module, an image processing module, a growth condition detection module and an analysis management module, through the computer vision technology, close planting degree guidance and saline-alkaline degree control are intelligently provided for high-salt-tolerance rice planting, the management efficiency is improved, and the rice yield and quality are improved; according to the method, a Transformer coding method based on a window mechanism and global optimization is adopted, the recognition accuracy of the growth state of a rice plant is improved, the accuracy of analysis of the relationship between the growth condition of the rice and the salt and alkali content and the close planting degree of the rice is improved, and accurate guidance is provided for increasing the yield and quality of the rice; according to the method, a UNet network based on Mama block optimization is adopted, the influence of a field background on rice image feature extraction is removed, and the accuracy of rice growth condition-saline and alkaline content-rice close planting degree relation analysis is improved.

The invention belongs to the technical field of biology, and discloses a rice receptor-like kinase OsLTK1 and application thereof in resistance of magnaporthe oryzae. It is found for the first time that receptor-like kinase OsLTK1 positively regulates the resistance of rice to magnaporthe oryzae. The research shows that the transgenic plant of the OsLTK1 gene overexpressed in the rice has obvious resistance to the magnaporthe oryzae. Therefore, the OsLTK1 gene can be used for cultivating rice blast resistant rice varieties, and has great application value.

The invention discloses a rice disease and insect pest monitoring method and system, and relates to the technical field of disease and insect pest monitoring, and the method comprises the steps: firstly testing the resistance of different rice varieties to different disease and insect pests, then selecting an optimal rice planting variety for a planting field, and according to the disease and insect pest conditions of the planting field, determining the disease and insect pest conditions of the planting field; according to the method, a variety with relatively high resistance is selected for planting, damage of diseases and insect pests during later growth is reduced, and meanwhile, the cost of monitoring the diseases and insect pests is reduced, so that the cost of rice planting is reduced, a basis is provided for subsequent high-yield and high-quality planting of rice, and during rice planting, an image of each single rice plant is monitored, and a three-dimensional model is constructed; the defense effect of each part in each single rice plant is obtained, then abnormal parts and abnormal pest and disease damage types in the rice are confirmed, reference is provided for subsequent pest and disease damage treatment, the treatment position is accurately positioned, and the pest and disease damage monitoring and treatment effects are improved.

The present invention relates to methods for controlling or preventing infestation of a rice plant by the phytopathogenic microorganism Gibberella fujikuroi, comprising applying to a crop of rice plants, the locus thereof, or propagation material thereof, a compound according to formula (I) wherein R1, R2, R3, R4, R5, Y, A, B are as defined herein.

The utility model belongs to the technical field of rice planting, and particularly relates to a lodging-resistant device for rice planting, which comprises a support column, a winding piece, a locking piece and an inhaul cable, a winding roller of the winding piece is rotatably connected to the upper end of the support column through a bearing, and a driving rod is arranged at the position of a first check block arranged on the upper portion of the winding roller. A locking piece is arranged on a supporting column on the lower portion of the winding roller, a sliding sleeve is connected to a fixing sleeve of the locking piece in a sliding mode, and a stop lever fixedly connected to the upper end of the sliding sleeve abuts against a second stop block arranged on the lower portion of the winding roller. The supporting columns are used for fixing the winding rollers for winding the inhaul cables to the two ends of a row or a row of plants, the ends of the two inhaul cables are fixedly connected together, the inhaul cables are arranged on one sides of the rice plants in a lap joint mode, the rice plants are effectively blocked and supported, and the rice plants are prevented from lodging on the ground under the action of external factors such as wind and rain. The rice lodging-resistant device is simple in structure, can effectively prevent rice plants from lodging, and is convenient to use.

Disclosed are: an improved Oryza plant, or a plant portion thereof, having two copies of a gene encoding OsNramp5 protein, and a method for producing an improved Oryza plant. The method and method for producing an improved Oryza plant comprises: (I) a step for crossing Pokkali with an Oryza plant other than Pokkali to obtain an F1 individual; (II) a step for bringing about self-fertilization of the F1 individual to obtain an F2 individual; and (A) a step for confirming that the obtained F2 individual has two copies of a gene encoding OsNramp5 protein. The method also comprises: (I) a step for crossing Pokkali with an Oryza plant other than Pokkali to obtain an F1 individual; (II') as necessary a step for bringing about self-fertilization of the F1 individual to obtain an F2 individual; (III) a step for backcrossing the F1 individual or F2 individual with an Oryza plant other than Pokkali to obtain a BC1F1 individual; and (IV) as necessary a step for further repeating steps (II') to (III) n-1 times using the BC1F1 individual to obtain a BCnF1 individual (n represents an integer of 2 or more), wherein the method includes (A) a step for confirming that an individual obtained in at least one step selected from the group consisting of steps (I)-(IV) has two copies of a gene encoding OsNramp5 protein.

The invention discloses a rice growth image real-time acquisition method. The method comprises the following steps: real-time data acquisition; processing data; carrying out data visualization and analysis; according to the invention, through collection and fusion of multi-dimensional data, in combination with image analysis and a machine learning algorithm, key characteristics of rice growth are extracted; field environment data and rice plant height information are collected in real time, time sequence characteristics of environment parameters and plant height parameters are extracted based on a long-short-term memory network model, a long-term dependency relationship is captured, and accurate prediction of the rice plant height is achieved. A prediction result can be visually analyzed through a thermodynamic diagram and the like, and the growth condition of the rice is visually displayed; through a large number of trained long-short-term memory network models, precise prediction of the rice plant height can be realized, and during subsequent implementation of acquisition of rice growth images, dependence on manual observation or regular shooting is not needed, so that real-time predictability of rice growth is improved.

The invention discloses an application of a rice heat shock protein HSP101 and a coding gene thereof in rice heat-resistant breeding, and belongs to the technical field of gene engineering. The rice heat shock protein HSP101 is identified, the amino acid sequence of the rice heat shock protein HSP101 is shown as SEQ ID NO. 2, and the nucleotide sequence of the coding gene HSP101 is shown as SEQ ID NO. 1. The invention provides an application of a rice heat shock protein HSP101 and a coding gene HSP101 in heat-resistant breeding. Transgenic experiment results show that the survival rate of a rice plant overexpressed with the HSP101 gene after high temperature stress is significantly higher than that of a control plant, that is, the overexpressed HSP101 gene significantly improves the tolerance of rice to high temperature, and the HSP101 gene positively regulates the heat resistance of rice. The invention lays a foundation for stress-resistant breeding of rice, and has great economic benefits and wide application prospects for rice production.

The invention discloses a rice irrigation device and method based on layered soil moisture content sensing. The device comprises a water storage tank, a rainwater collector, a water conveying pipe, a table top, a water pump, a water outlet pipe, a hydraulic rotary spraying rod, an electromagnetic valve, a control box, a water inlet pipe, a layered soil sensor and a weather receiver. The method comprises the following steps: monitoring soil moisture content data of different depths in a root system area in real time by adopting a layered soil sensor, and collecting environmental meteorological parameters by utilizing a meteorological fusion device; the control box adopts a multi-factor dynamic weight decision-making algorithm to comprehensively analyze the soil moisture content and meteorological conditions and generate an intelligent irrigation decision-making instruction; accurate irrigation operation is achieved by controlling executing mechanisms such as a water pump, a hydraulic rotary spraying rod and an electromagnetic valve. By using the device, the irrigation amount and the irrigation time are accurately controlled, and the differentiated requirements of rice for water in different growth stages are met. The method can be widely applied to the field of intelligent agriculture.