426 results about "Rice farming" patented technology

The invention relates to the technical field of crop yield analysis, in particular to a crop yield prediction method based on a time sequence remote sensing image, and the method comprises the steps: obtaining an optical remote sensing image and a synthetic aperture radar image in a crop growth period, and constructing a time sequence image through complementary information fusion and under-cloud information recovery; the problems of cloud interference and data missing are solved, a multi-scale time regulation and control convolution module is used for processing a time sequence image, multi-scale time sequence features are extracted, feature fusion is carried out in combination with attention difference jump connection, and a rice distribution map is obtained; determining a rice planting area based on the rice distribution diagram, selecting an optimal assimilation time period in the rice planting area, and assimilating the leaf area index subjected to remote sensing inversion and a crop growth model simulation result to generate a simulated yield after assimilation; based on the multi-scale time sequence characteristics, a parameter dynamic response matrix related to crop growth model parameters is established, and residual error correction is performed on assimilated simulation yield, so that the rice yield prediction precision is improved.

The invention provides a rice planting area identification method and device based on multi-temporal remote sensing data, equipment and a storage medium. The method comprises the following steps: acquiring the multi-temporal remote sensing data according to a rice phenological period; determining a spectral index sequence of the multi-temporal remote sensing data to construct a spectral index time sequence curve, and generating planting characteristic data in the target area according to a spectral change curve; determining a spectrum time sequence template matched with the rice growth rule according to the planting characteristic data, performing matching analysis on the planting mode of each land block, and marking a land block set of rice planting mode characteristics; performing cross comparison on the plot set and the rice planting reference sample to generate a rice planting mode sample set, and constructing a rice planting area identification model based on the rice planting mode sample set; and analyzing the remote sensing data of the land parcels to be identified in the research area according to the rice planting area identification model, and determining a rice planting area identification result. According to the scheme, the accuracy of rice identification can be effectively improved.

The invention provides a carbon emission management monitoring method and device for rice planting in a cold region, and relates to the technical field of carbon emission management monitoring. Vertical three-layer parameters of a soil profile, namely the surface methane concentration, the middle oxidation-reduction potential and the deep organic acid concentration, are collected; the method comprises the following steps: mapping a middle-layer potential into an inhibition coefficient according to a microbial electrochemical principle, further calculating potential uplink electron flux and actual downlink electron sedimentation intensity, identifying an electron transport chain breakage risk through a residual error of the potential uplink electron flux and the actual downlink electron sedimentation intensity, and carrying out nonlinear fusion on the electron transport residual error and environment weights of all layers by adopting a p-norm model. Through the risk amplification coefficient, the superlinear conduction of the local risk to the whole system is realized, the dominant risk layer is accurately positioned based on the comprehensive weight, the differential field management strategy is automatically generated, and finally the closed-loop intelligent management normal form is constructed, and the accurate control of the carbon emission based on the mechanism model is realized.

The invention discloses a serratia marcescens strain and an application thereof. Belongs to the technical field of agricultural microorganism and heavy metal pollution control. The serratia marcescens separated from the rhizosphere of the rice is inoculated to the rhizosphere of the rice, is used for in-situ remediation of polluted soil rice planting, can be effectively colonized at the root of the rice, and has high safety. Manganese and iron ions in the soil can be adsorbed and chelated, and the formation of an iron-manganese adhesive film on the surface of a rice root is enhanced, so that the Cd element is prevented and controlled from entering plant roots and overground parts; the absorption of manganese and iron in the polluted soil can be increased, the growth of the rice is promoted, and the yield of the rice is increased. And the standard-reaching safe production of rice Cd in the moderately and mildly polluted soil is realized, and the method has a very good application prospect.

The invention discloses a rice whole growth period growth dynamic monitoring system based on multi-source sensing fusion, and relates to the field of agricultural intellectualization, and the system comprises an acquisition module which is used for taking a rice root development core area as a target, adaptively arranging a multi-dimensional sensing array and dynamically adjusting the operation frequency of the array, continuously collecting root system microenvironment and morphological characteristic original data; the preprocessing module is used for receiving the original data acquired by the acquisition module, performing space-time alignment and noise filtering on the root system microenvironment and morphological feature sensing data, and synchronously extracting core data dimensions for driving development analysis through a feature enhancement algorithm; by comprehensively evaluating the generated growth potential and yield potential report, the rice growth state is comprehensively reflected, a planter is assisted to intervene abnormal conditions in advance, the growth stress loss is reduced, and a scientific basis is provided for accurate regulation and control, so that the fine management level and yield potential of rice planting are improved.

The invention discloses a preparation method of a controlled-release fertilizer for mechanical transplanting rice seedling raising subsoil and application of the controlled-release fertilizer to replace field fertilization, and belongs to the technical field of rice cultivation. A coating of the controlled-release fertilizer is prepared from the following components in parts by weight: 20 to 60 parts of low-density polyethylene resin, 10 to 20 parts of ethylene-vinyl acetate copolymer, 5 to 30 parts of synthetic resin biodegradation inducer, 3 to 15 parts of starch, 10 to 70 parts of talcum powder and 0.2 to 2 parts of nonionic surfactant. The controlled-release fertilizer comprises urea and a compound fertilizer which are respectively coated by the coating film. According to the controlled-release fertilizer for the machine-transplanted rice seedling raising subsoil, a coating material is optimized, the release inhibition period of the controlled-release fertilizer is 20-30 days, normal growth of rice seedlings is ensured, and the rice growth requirements are accurately met. When the method is used for rice planting, a seedling raising subsoil fertilizer carrying method is adopted, integration of rice transplanting and fertilization is achieved, and on the basis of ensuring high and stable yield of rice, the fertilizer application cost and the risk of nitrogen and phosphorus pollution emission in the rice field are reduced.

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.

The invention discloses an AI-based rice planting environment data informatization management system, and relates to the technical field of agricultural informatization. The method comprises the steps that an environment data acquisition module obtains multi-dimensional space-time marked environment parameters; the disturbance modeling module is used for analyzing environment change, identifying a disturbance structure and calculating a sudden change value; the growth stage parameter module is used for constructing a stage characteristic parameter set; the growth state modeling module is used for generating growth state data in combination with disturbance and a growth stage; the strategy generation module formulates a resource regulation and control strategy based on the growth state and the feedback information; the resource coupling analysis module is used for identifying coupling and interference relations among resources; the strategy constraint module is used for adjusting a resource strategy to generate a control strategy; and the control execution feedback module is used for executing the regulation and control instruction and feeding back growth data. Through high-precision space-time environment data fusion, deep coupling analysis of environment disturbance and growth states and resource regulation and control closed-loop optimization management, intelligent and precise monitoring and regulation and control of a rice planting environment are realized.

The invention belongs to the technical field of microbial fermentation and biological agriculture, and discloses a soil remediation fungicide as well as a preparation method and application thereof. The preparation method comprises the following steps: activating bacillus megatherium Z101, inoculating the activated bacillus megatherium Z101 into fermentation liquor containing rice straw powder, carrying out fermentation culture, and carrying out vacuum spray drying on fermentation mixed liquor after fermentation is completed, so as to obtain soil remediation bacterium powder; or further mixing the soil remediation bacterium powder with auxiliary materials and water, and granulating to obtain the soil remediation bacterium granules. The application method comprises the following steps: in a rice planting stage, applying the soil remediation fungicide and an inorganic fertilizer together to remedy rice field soil and promote rice growth. The soil remediation fungicide prepared by fermentation culture of the bacillus megatherium Z101 has remarkable advantages in the aspects of rice yield increase, soil pH value increase and physicochemical property improvement, and a new application way is provided for the bacillus megatherium Z101.

The invention discloses a diversified rice planting method in a compound environment based on big data analysis, and particularly relates to the technical field of agricultural information processing. The method comprises the following steps: collecting multi-dimensional monitoring data in a rice planting area, carrying out nonlinear correlation analysis, and extracting interaction characteristics among environment variables; carrying out multi-scale reconstruction analysis in combination with spatial scale difference, and identifying a main influence area of an environment variable; mapping analysis is carried out based on historical rice growth state data and environment variable interaction characteristics, and the comprehensive influence on rice growth is evaluated; analyzing the action time sequence of different environment variables in the rice growth cycle, and extracting the influence weight change rule of the environment variables in each growth stage; according to the method, environmental variable interaction characteristics and influence weight rules are fused, the growth potentials of different rice varieties are evaluated, the planting varieties and planting density of rice are optimized, and precise planting under the multi-variety collaborative adaptation and compound ecological condition of rice is achieved.

The invention relates to a rice field environment monitoring system and method based on an intelligent sensor network. The system comprises a sensor module, a field data transmission module, a data calculation module, a network data transmission module, a cloud platform and a user terminal. The sensor module collects rice field environment parameters and rice field images; the field data transmission module transmits the rice field environment parameters and the rice field image to the data calculation module; the data calculation module obtains rice field environment monitoring data and disease and pest classification scores based on the rice field environment parameters and the rice field images; the network data transmission module transmits the data information to the cloud platform; the cloud platform stores and displays the data and analyzes disease and pest classification scores to obtain disease and pest early warning information; the user terminal carries out remote monitoring, disease and pest early warning and irrigation control. The system has the advantages of real-time data transmission, intelligent monitoring, low energy consumption and the like, and the scientificity, accuracy and working efficiency of rice planting management are greatly improved.

The invention relates to a planting method for covering rice with a biodegradable film in a cold region. Comprising the following steps: (1) dry seedling raising: sowing 20-30g of seeds in each square meter of seedbed by adopting drill sowing or broadcast sowing; (2) preparing a compartment surface, turning over the soil, and loosening the soil; (3) applying a base fertilizer at one time, and applying 7-8 kg / mu of a nitrogen fertilizer, 2-4 kg / mu of a phosphate fertilizer, 3-5 kg / mu of a potassium fertilizer and 1.0-1.5 kg / mu of a zinc fertilizer to the compartment surface; (4) covering a film on the compartment surface, and covering a biodegradable film to be tightly attached to the soil 2-3 days after the fertilizer is applied; (5) transplanting plantlets: transplanting the plantlets when 3-4 true leaves grow on each seedling; (6) water management: after rice transplanting, water is kept in furrows, and no water exists on film surfaces; drying the field in the vigorous tillering stage; (7) timely harvesting. The growth conditions of heat tension, short rice growth period and limited yield potential in the northeast cold region in China are solved, temperature increasing, water retention and fertilizer saving can be achieved, and the comprehensive benefits of rice planting in the northeast cold region are improved.

The invention relates to the technical field of modern agriculture, in particular to an intelligent auxiliary rice transplanting method and system for multi-unmanned aerial vehicle cluster collaborative operation, and the method comprises the steps: distributing a flight task and an operation region for a detection unmanned aerial vehicle according to the detection demand of a target rice planting region; collecting image data of a target rice planting area based on the detection unmanned aerial vehicle; the image data are input into a pre-trained detection model to recognize the abnormal condition of the target rice planting area, a rice transplanting device is controlled to execute seedling supplementing operation based on the abnormal condition, and the detection model is constructed by introducing an attention mechanism to improve a YOLO5 algorithm and combining with an optimized loss function. Intelligent and efficient rice planting management can be achieved, and the rice yield and quality are improved.

The invention discloses an intelligent and efficient water lifting irrigation system for rice planting based on photovoltaic and energy storage, and relates to the field of rice irrigation planting, and the system comprises a photovoltaic water lifting irrigation unit which is used for lifting irrigation water from a water source to a reservoir based on photovoltaic power generation; the irrigation unit is used for irrigating the terrace group by taking water from the reservoir, and the detection unit is used for detecting each terrace in the terrace group, obtaining water content information, pesticide residue information in water and landslide risk information of each terrace and obtaining a detection result; the classification unit is used for classifying each terrace based on the detection result to obtain a type division result of each terrace; the control unit is used for controlling the opening and closing of the water transmission equipment communicated with the terraced field based on the type division result of each terraced field; the system can achieve reasonable irrigation of the terraced field, reduce the landslide risk of terraced field irrigation, reduce the pesticide residue in the lower-layer terraced field and guarantee normal growth and quality of rice in the lower-layer terraced field.

The invention discloses a preparation method and an application method of straw wet biochar for carbon sequestration and emission reduction in rice and wheat rotation. The preparation method comprises the specific steps of preparation and application of the straw wet biochar. The preparation method of the straw wet biochar comprises the steps of raw material preparation, low-temperature combustion, normal-temperature slow oxidation, electromagnetic radiation treatment, microwave heating and light wave sterilization, filtration and freezing and cold storage treatment. The method is mainly used for improving straw resource utilization of a rice and wheat system. The preparation process is low in energy consumption and little in smoke dust, carbon volatilization in the straw is reduced, and the content of fixed carbon in the straw is greatly increased. According to the specific application, the compound fertilizer is mixed with fertilizer according to a certain weight ratio of the compound fertilizer to plough layer rice soil and then applied at a time during rice planting. Wherein the nitrogen fertilizer is a mixture of quick-acting urea nitrogen and slow-release urea nitrogen, and the phosphate fertilizer and the potash fertilizer are conventional fertilizers. The fertilizer can promote the increase of gaps in rice soil and the water retention of wheat soil, reduces the emission of N2O, CO2 and CH4 in the rice and wheat planting process after being applied, improves the organic carbon content of soil, reduces the emission of greenhouse gas carbon (CO2), and promotes the increase of the crop rotation yield of rice and wheat.

The utility model relates to the technical field of rice planting sowing, and discloses a telescopic quantitative sowing mechanism for rice planting field fertilization, which comprises a chassis, the left side of the top of the chassis is fixedly connected with a fixed support, the top end of the right side of the fixed support is fixedly connected with a motor II, and the output end of the motor II is fixedly connected with a transmission wheel. The outer walls of the two transmission wheels are in transmission connection through a transmission belt, a second sliding groove is formed in the right side of the outer wall of the fixing disc, the inner wall of the second sliding groove is in sliding connection with the outer wall of an adjusting handle, and a telescopic mechanism is arranged at the bottom of the bottom disc and used for adjusting a discharging port. According to the adjustable quantitative feeding device, the hole II and the hole I form a leakage hole under the rotation action of the adjusting handle, so that the falling amount of a fertilizer is adjusted, and the requirement of rice growth on overall nutrients can be better met through the adjustable quantitative feeding device according to specific operation requirements.

The invention provides a tail water relay treatment method for fish and rice rotation in a pond. The tail water relay treatment method comprises the following steps: injecting new water into a pond culture area before the beginning of a pond culture period, stocking fish fries, periodically patrolling the pond, measuring water quality, feeding baits, and carrying out fish culture operation; rice is planted in the rice planting area, sowing is conducted in early May, rice transplanting is conducted in mid-to-late May, bottom mud in the pond culture area is used as base fertilizer, and water circulation between the pond culture area and the rice planting area is completed through a first water path system and a second water path system which are arranged between the pond culture area and the rice planting area. By means of in-situ management and control of the water body and ex-situ purification after discharge, the environment of the aquaculture water body is kept stable, discharged tail water is ecologically utilized and treated, up-to-standard discharge is achieved, healthy growth of fishes and reduction of the aquaculture cost are guaranteed, a technical path and support are provided for innovation of an ecological agricultural product production mode, and the method is economical and practical.

The present application relates to a kind of based on self-propelled double-row paddy field weeder's leapfrogging row-changing device and row-changing method.Row-changing device includes support mechanism, transverse moving mechanism, initiative lifting mechanism, steering mechanism, reset mechanism and electric control module;When electric control module detects that weeder walks to the end of rice planting row, support mechanism elongates and supports the whole machine by contacting ground, initiative lifting mechanism lifts weeder to higher than rice seedling height, and is driven from above rice seedling by transverse moving mechanism to move horizontally;Steering mechanism and lifting mechanism drive weeder to turn 180 ° and descend, complete leapfrogging row-changing;After weeder descends to ground, reset mechanism drives row-changing device to reset, provide preparation for next row-changing.The present application realizes the leapfrogging row-changing of self-propelled paddy field weeder from above rice seedling, avoids the damage of seedling caused by weeder turning at the end of row, and optimizes support mechanism, so that the whole machine adapts to paddy field environment after weeding operation to prevent overturning.

The invention provides a nutrient solution and application thereof in prevention and treatment of crop sheath blight, and belongs to the technical field of rice planting. The nutrient solution provided by the invention contains cysteine with a certain concentration, after the nutrient solution is applied to rice in the trefoil stage and cultivated to the whole growth period, the resistance of the rice to sheath blight can be improved, and meanwhile, the content of chlorophyll, soluble sugar, soluble protein, SOD, POD, MDA and CAT in rice plants is remarkably increased. The nutrient solution provided by the invention can effectively solve the problem of poor sheath blight disease resistance of rice under conventional planting conditions, and has a wide application prospect.

The present invention relates to the technical field of crop yield analysis, and specifically to a crop yield prediction method based on time-series remote sensing images. In the present invention, optical remote sensing images and synthetic aperture radar images during the crop growth period are acquired, and time-series images are constructed through complementary information fusion and cloud-underground information recovery. Cloud interference and data missing problems are addressed, and a multi-scale time-regulated convolution module is used to process the time-series images, extract multi-scale time-series features, and perform feature fusion in combination with attention differential jump connections to obtain a rice distribution map. Rice-planting areas are determined based on the rice distribution map, and an optimal assimilation period is selected within the rice-planting areas. A leaf area index obtained by remote sensing inversion is assimilated with crop growth model simulation results to generate an assimilated simulated yield. Based on the multi-scale time-series features, a parameter dynamic response matrix related to crop growth model parameters is established, and residual correction is performed on the assimilated simulated yield, thereby improving the accuracy of rice yield prediction.

The application provides a preparation of a fermentation bed and application of waste of the fermentation bed in preparation of special organic fertilizer for rice, belongs to the technical field of livestock breeding, and specifically relates to a fermentation bed for cattle breeding, which comprises raw materials: rice straw, rice husk, quicklime, corn flour, wheat bran, sawdust and mixed bacteria liquid A; the mixed bacteria liquid A comprises Bacillus subtilis, Clostridium butyricum, Rhodopseudomonas palustris, Saccharomyces cerevisiae and Lactobacillus acidophilus; and a special organic fertilizer for rice, which comprises components: the above-mentioned waste fermentation bed, rice straw, rice husk, wood ash, mixed bacteria liquid B and mixed enzyme preparation; the provided fermentation bed can effectively degrade cattle manure, solve the problem of dirty and smelly breeding environment, and effectively reduce the incidence of diseases such as cattle diarrhea; and the provided special organic fertilizer for rice meets the nutritional requirements of rice planting, improves the yield and stress resistance of rice, and prevents or reduces the occurrence of diseases.

The invention discloses application of bacillus megaterium and a biological fertilizer thereof in rice planting, and relates to the technical field of microorganisms. The bacillus megaterium is preserved in the China General Microbiological Culture Collection Center on July 10, 2025, and the preservation number of the bacillus megaterium is CGMCC (China General Microbiological Culture Collection Center) NO.35179. The bacillus megaterium has the advantages that the bacillus megaterium is preserved in the China General Microbiological Culture Collection Center on July 10, 2025; the strain is a plant growth-promoting bacterium and has a good rice growth-promoting effect, and when the prepared biological fertilizer is applied to the rice planting process, compared with a control group, the tiller number of rice is increased by 64.44%, the plant height is increased by 2.77%, and the leaf chlorophyll content is increased by 8.38%. The bacillus megatherium provided by the invention and the biological fertilizer prepared by strain fermentation have the advantages of greenness, safety, high efficiency and the like, and have a better application prospect in the aspect of agricultural production.

The present invention relates to the field of agricultural monitoring technology, and specifically discloses a method for constructing a carbon labeling system for rice planting, comprising step S1, conducting a baseline survey on carbon emissions of rice production inputs; step S2, establishing a carbon emission reduction accounting method based on fertilizer reduction; step S3, constructing a graded assessment system for carbon emission reduction of inputs based on production entities; and step S4, constructing a carbon emission reduction labeling system for production entities. The method for constructing a carbon labeling system for rice planting according to the present invention constructs a carbon emission measurement system for rice crops in the fertilizer input link, converts the carbon emission reduction bonus brought about by the reduction in fertilizer application for rice into part of the product brand identification, and contributes to the development of the low-carbon rice market.

The invention relates to the field of rice planting, in particular to a rice seed screening device which comprises a first shell and a second shell, the first shell is fixedly connected to the upper end of the second shell, and a first filtering mechanism is installed in the middle of the inner side of the first shell; a first outlet and a second outlet are formed in the middle of one side and the side wall of the lower end of the first shell correspondingly, a first inlet is formed in the side wall of the upper end of the other side of the first shell, a feeding shell is fixedly connected to the outer side of the first inlet, and a blocking mechanism is installed at the lower end of the feeding shell. And a first cover plate is clamped on the side wall of the upper end of the first shell. According to the rice seed screening device, the first filtering mechanism is arranged in the first shell, the second filtering mechanism is arranged in the second shell, and the communicating pipe is connected between the first outlet in the first shell and the second inlet in the second shell, so that rice seeds can be subjected to double screening during use, soil blocks with different sizes in the rice seeds can be conveniently removed, and the screening effect is improved.

This invention provides a two-stage cultivation method for Ophiopogon japonicus, belonging to the field of Ophiopogon japonicus planting technology. The two-stage cultivation method includes the following steps: dividing the planting field into a paddy field and an Ophiopogon japonicus seedling field, and planting rice and Ophiopogon japonicus seedlings together in the paddy field and the Ophiopogon japonicus seedling field respectively; after the rice harvest, planting the Ophiopogon japonicus seedlings in the planting field. This invention enables crop rotation of Ophiopogon japonicus and rice within the same planting field within one year, ensuring Ophiopogon japonicus production while increasing rice production for one season, solving the problem of competition for land between medicinal and grain crops, thus protecting both medicinal and grain crops. Compared with traditional cultivation methods, the cultivation method of this invention significantly improves indicators such as leaf length, root number, number of fruit roots per plant, fresh weight of stems and leaves, fresh weight of roots, fresh weight of Ophiopogon japonicus per plant, and yield per acre. The two-stage cultivation method of this invention results in high Ophiopogon japonicus yield and low cost, while also increasing rice production. Therefore, the net benefit of the two-stage cultivation method of this invention is far higher than that of traditional cultivation methods.

The utility model mainly relates to the technical field of aquaculture wastewater treatment, concretely relates to a rice and shrimp co -culture area rice planting wastewater treatment device. Including filter box, the inside fixed mounting of filter box has the filter plate of incline setting, the top of filter box is located at the filter plate incline upper end and is provided with the water inlet channel, the side wall of filter box is located at the filter plate incline lower end and is provided with the residue discharge port, and the residue discharge port prevents a open -ended material collecting box;Filter box inside is provided with drive mechanism, and drive mechanism is connected with connecting plate and drives its reciprocating movement along the direction parallel to the filter plate surface, and the bottom of connecting plate is connected with the mounting plate through the telescopic mechanism, and the telescopic direction of telescopic mechanism is perpendicular to the filter plate surface, and the bottom of mounting plate is detachably connected with the brush plate. Wastewater falls in the filter plate incline upper end and carries out the filter impurity, and with the accumulation of impurity cooperation wastewater scour, and impurity will slide down to the filter plate, and until thereby residue discharge port falls into the material collecting box.

The invention belongs to the technical field of rice and fish comprehensive planting and breeding, and particularly relates to a photovoltaic rice and frog planting and breeding method and system. A photovoltaic rice frog planting and breeding system comprises at least one planting and breeding area unit, and the planting and breeding area unit comprises stand columns arranged on the side edges of the planting and breeding area unit; the photovoltaic panel is arranged at the top of the stand column; the ditch is arranged in the middle of the cultivation area unit; the rice planting areas are arranged on the two sides of the ditch; the food table is arranged on the side, close to the stand columns, of the rice planting area; the skynet is arranged at the middle upper parts of the upright posts and covers the planting and breeding area units; the surrounding net is arranged on the lower portions of the stand columns and surrounds the planting and breeding area units; the water inlet and the water outlet are formed in the two ends of the ditch. According to the photovoltaic rice frog planting and breeding method and system, the photovoltaic system and rice frog planting and breeding are mutually matched and complement each other, and the photovoltaic rice frog planting and breeding method and system have wide application prospects.

The utility model relates to the technical field of seedling raising devices, in particular to a seedling raising device for rice planting, which comprises a rotating disc, a sprinkler pipe, a light shield, a seedling raising box and an adjustable seedling raising hopper, through the design that the rotary sprinkling pipe is matched with multiple groups of spray pipes, uniform sprinkling of a water and fertilizer solution in the seedling raising box is realized, the problem of uneven dryness and humidity caused by traditional manual watering is avoided, root rot or local drought is effectively prevented, and the germination rate and the seedling uniformity are improved; the adjustable seedling raising hopper driven by an air cylinder is adopted, the seedling raising depth can be flexibly adjusted according to the root system requirements of different rice varieties, the root system growth environment is optimized, the transplanting survival rate is increased, the light shield is provided with an adjustable light source, the seedling raising state is monitored in combination with an infrared laser, precise light supplementing or shading is achieved, and the illumination requirements of different growth stages are met; healthy growth of seedlings is promoted, and the overall seedling raising effect is improved.

The utility model relates to the technical field of rice planting, in particular to a seeding device for rice planting. Comprising a shell, wheels, a grip, drill bits, a connecting block, a telescopic block, a sleeve, a rotating shaft and the like, the wheels are rotationally connected to the front side and the rear side of the outer portion of the shell, the grip is fixedly connected to the right side of the upper portion of the shell, and the multiple drill bits distributed longitudinally are slidably connected to the left side of the inner lower portion of the shell; a plurality of sleeves are fixedly connected into the rotating shaft, and telescopic blocks distributed left and right are slidably connected into the sleeves. Through the arrangement of the rotating shaft, the first gear, the motor, the second gear, the drill bit, the discharging barrel and the like, a plurality of holes distributed at intervals can be automatically punched in a field, automatic seeding is performed after punching, the stability of rice seeds in soil can be improved through the punching and seeding mode, the rice seeds are prevented from being blown away by wind before soil covering, and the seeding efficiency is improved. The uniform distribution of the rice seeds is ensured, and the over-dense or over-thin condition is avoided.

The application relates to the computer field and provides a rice potential yield estimation method and device. The method comprises the following steps: identifying a rice planting mode of a to-be-estimated area according to synthetic aperture radar data; dividing different rice planting areas according to different rice planting modes in the to-be-estimated area; performing rice plant density inversion on different rice planting areas to obtain rice plant densities corresponding to the different rice planting areas; and estimating the rice potential yield in the corresponding rice planting area according to the different rice plant densities. The rice potential yield estimation method and device provided in the application can obtain more accurate rice plant densities in the corresponding rice planting area according to continuous large-range data in the to-be-estimated area, so that the rice potential yield in the corresponding rice planting area can be accurately estimated according to the rice plant density.