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286 results about "Rice farming" patented technology

Rice farming is the cultivation of the rice plant for human consumption. It is grown from the seed of the grass species Oryza sativa (Asian rice) or Oryza glaberrima (African rice), and is the most widely consumed staple food in the entire world.

Carbon emission management monitoring method and device for rice planting in cold region

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.
Owner:HEILONGJIANG ACAD OF LAND RECLAMATION SCI

Serratia marcescens and application thereof

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.
Owner:HUNAN SOIL & FERTILIZER INST

Multi-source sensing fusion-based growth dynamic monitoring system for whole growth period of rice

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.
Owner:YIXING ZHONGGU CEREALS & OILS CO LTD

AI-based rice planting environment data informatization management system

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.
Owner:LIANJIANG COUNTY GREEN RING AGRICULTURE & ANIMAL HUSBANDRY COMPREHENSIVE EXPERIMENTAL FIELD (GENERAL PARTNERSHIP)

Intelligent auxiliary rice transplanting method and system for collaborative operation of multiple unmanned aerial vehicle clusters

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.
Owner:JIANGXI AGRICULTURAL UNIVERSITY

Telescopic quantitative sowing mechanism for rice planting field fertilization

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.
Owner:北流市山围镇农业服务中心

Tail water relay treatment method for fish and rice rotation in pond

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.
Owner:XINJIANG UYGUR AUTONOMOUS REGION FISHERIES DEVELOPMENT CENTER (XINJIANG UYGUR AUTONOMOUS REGION FISHERIES SCIENCE RESEARCH INSTITUTE) +1

Crossing type row changing device and row changing method based on self-propelled double-row paddy field weeder

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.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Preparation of a fermentation bed and application of waste thereof in preparation of special organic fertilizer for rice

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.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES)

Bacillus megaterium and application of biological fertilizer thereof in rice planting

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.
Owner:INNOVATION CENTER OF YANGTZE RIVER DELTA ZHEJIANG UNIVERSITY

Two-stage cultivation method of ophiopogon japonicus

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.
Owner:MIANYANG ACAD OF AGRI SCI +1

Rice planting wastewater treatment device for rice-shrimp co-culture area

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.
Owner:ANQING YIYUN AGRI CO LTD

Photovoltaic rice frog planting and breeding method and system

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.
Owner:HUANGGANG ACAD OF AGRI SCI

Seedling raising device for rice planting

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.
Owner:GUANGDONG LINJIA FANXIANG AGRICULTURAL TECHNOLOGY CO LTD +1

Method and device for estimating potential yield of rice

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.
Owner:AEROSPACE INFORMATION RES INST CAS

A nutrient solution sprinkling irrigation device for rice cultivation

The utility model discloses a kind of nutrient solution sprinkling irrigation devices for planting rice, it is related to rice planting technical field, the device is constituted by bearing part, power part, mixing part, transmission part and steering part.Provide support by bearing part, power part realizes nutrient solution spraying, mixing part stirs nutrient solution, transmission part and steering part control device movement and steering.It has real-time stirring function, can avoid nutrient element precipitation or stratification in nutrient solution, guarantee rice nutrient absorption, improve yield;It can automatically move and steer, reduce labor intensity, improve work efficiency;Two kinds of working modes are also set, can be selected according to actual demand, increase the scope of application, provide flexible and practical solution for the nutrient solution sprinkling irrigation operation of rice planting.
Owner:GAOXIAN TIANRUN AGRICULTURAL DEVELOPMENT CO LTD

Rice planthopper prevention and control method based on nitrogen fertilizer application

The invention provides a rice planthopper prevention and control method based on nitrogen fertilizer application, and belongs to the technical field of agricultural planting. According to the method, nitrogenous fertilizer application and rice planthopper prevention and control are combined, and the synergistic interaction of high rice yield and pest control is achieved. The method specifically comprises the four key steps of base fertilizer application, tillering stage regulation and control, accurate nitrogen supply in the heading stage and fertilizer supplementation in the filling stage, nitrogen, phosphorus and potassium fertilizers are reasonably distributed in all the steps, a plant source repellent is compositely added when the heading fertilizer is applied, and meanwhile scientific water management and leaf surface spraying technologies are matched. Through staged precise regulation and control of the nitrogen fertilizer and multi-technology cooperation, the rice planthopper prevention and control effect can be larger than or equal to 70%, the chemical pesticide application amount is reduced by 40% or above, and the method is suitable for various rice planting modes and has remarkable economic benefits and ecological benefits.
Owner:HUNAN ACADEMY OF AGRI SCI

Diatomite fertilizer special for rice as well as preparation method and application of diatomite fertilizer

The invention discloses a special diatomite fertilizer for rice as well as a preparation method and application thereof, and belongs to the technical field of rice planting. The diatomite fertilizer special for rice comprises a rice base fertilizer and a rice foliar fertilizer, the rice base fertilizer comprises diatomite powder, phyllostachys pubescens powder, fermented rapeseed meal, rice polysaccharide, high-activity yeast, stone powder, red mud powder, charcoal powder, soda ash, beauveria bassiana, a chemical fertilizer and selenium powder, and the rice foliar fertilizer comprises rice polysaccharide, high-activity yeast, plant traditional Chinese medicine, soda ash, a chemical fertilizer and selenium powder. The preparation method comprises the following steps: (1) weighing the raw materials; (2) preparing a rice base fertilizer; and (3) preparing the rice leaf fertilizer. The special diatomite fertilizer for rice can efficiently remove heavy metals such as arsenic, mercury, lead and cadmium, and highly toxic pesticide residues such as hexachlorocyclohexane and dichlorvos, and is suitable for multi-dimensionally repairing rice fields polluted by heavy metals and pesticide residues.
Owner:GUANGZHOU ZHENHUA JUNHUI TECHNOLOGY CO LTD

Rice planting support tools

[Challenge] Rice planting has become more efficient due to the mechanization of the process. However, this has led to an increase in missed or misplanted seedlings due to the machinery, as well as damage caused by giant apple snails. On the other hand, the process of planting seedlings by hand is time-consuming, and empty spaces are left unattended. [Solution] As a rice planting aid, it has a structure with two sharply pointed tips that are wide open, narrow in the middle, become parallel from there, and then close at the end, and also has a handle. The tips have the function of pinching and tearing off seedlings taken out of seedling trays for rice transplanters, the middle part has the function of holding the pinched seedlings to prevent them from falling, and the end has the function of planting bundled seedlings in the soil of the rice paddy.
Owner:玉置 元人

Unsupervised rice drawing method based on prior knowledge

The invention discloses an unsupervised rice mapping method based on priori knowledge, and the method comprises the steps: constructing a PSS-Unet deep learning framework, and automatically generating an initial pseudo tag through RiceTcolor-CIE chromaticity transformation and an NDWI water mask by employing a Sentinel-2 transplanting period image; the pseudo labels are fused with time sequence optics, time sequence radar and SATELD features respectively, and a training set composed of multi-source heterogeneous feature data is constructed; training a U-Net model based on a BCE loss function with an ignoring mechanism; a dynamic pseudo label optimization mechanism is introduced, a confidence map generated by model prediction is utilized, and progressive improvement of pseudo label quality is realized by combining confidence screening and an iterative re-labeling strategy so as to realize rice planting area identification; a pseudo label generated by priori knowledge is used as an initial supervision signal to drive U-Net network learning, and a dynamic optimization mechanism based on model confidence is designed to realize collaborative iterative evolution of the pseudo label and a model, so that the label reliability and the model discrimination capability are gradually improved.
Owner:CHINA THREE GORGES UNIV

Pond fishery and rice co-culture ecological breeding method

The invention provides a pond fishery and rice co-culture ecological breeding method. A pond planting area and an aquaculture area are included. A concentric-square-shaped planting circular groove is formed in the outer side of the pond planting area, a rice planting area is arranged in the planting circular groove of the pond planting area, and a water lifting and taking area is arranged on one side of the planting circular groove; a water storage pond and at least two land-based culture round ponds are arranged in the aquaculture area, water in the water lifting and taking area is conveyed into the water storage pond through a water suction pump, and each land-based culture round pond is communicated with a water inlet main pipe; the center of the bottom of each land-based cultivation round pond is further communicated with a drainage branch pipe and connected with a drainage main pipe through a water level limiting well, and the water outlet end of the drainage main pipe extends into the planting circular ditch and the rice planting area. According to the method, the industry development trouble that the height of pond culture water resources in the cold and arid region is limited is solved, the culture capacity is stabilized, the water resources are remarkably saved, the yield is increased, the planting and breeding benefits are improved, planting-breeding integrated efficient development is achieved, and the method is economical and practical.
Owner:XINJIANG UYGUR AUTONOMOUS REGION FISHERIES DEVELOPMENT CENTER (XINJIANG UYGUR AUTONOMOUS REGION FISHERIES SCIENCE RESEARCH INSTITUTE) +2

Soil conditioning method and application thereof in rice planting

The invention provides a soil conditioning method and application thereof in rice planting, and relates to the technical field of soil remediation. The soil conditioning method comprises the following steps that S1, pretreatment is conducted, specifically, the contaminated soil is subjected to loose ploughing with the depth being 1.5-2.0 m, ploughing with the depth being 0.5-0.8 m is conducted for 2-3 times, and rotary tillage is conducted for 2-3 times; s2, application of a composite carrier conditioner: uniformly spreading the composite carrier conditioner on the surface layer of the soil according to 400-600kg / mu, and carrying out rotary tillage and uniform mixing at the depth of 0.5-0.8 m; s3, inoculation of an embedded compound microbial agent: uniformly spreading the embedded compound microbial agent into the soil according to 5-8 kg / mu; s4, rice planting, wherein rice seedlings are planted, and a silicon-rich leaf surface resistance and control agent is sprayed in the tillering stage and the heading stage of rice; s5, carbon sequestration and field returning: 10-15 days before the next season rice is planted, carbon sequestration plants are shallowly ploughed and returned to the field, and the shallow ploughing depth is 9-11 cm; according to the scheme provided by the invention, through a multi-step synergistic effect, the integrated target of soil remediation, safe planting of rice and ecological quality improvement is achieved.
Owner:HUIZHOU HUICHENG DISTRICT AGRI TECH EXTENSION CENT

Rice planting and cultivating device with adjusting function

The utility model relates to the technical field of rice planting and cultivating devices, in particular to a rice planting and cultivating device with an adjusting function, which comprises an incubator body made of intelligent dimming glass. The culture box body is provided with a first culture cavity and a second culture cavity, the first culture cavity and the second culture cavity are separated through a partition plate, a seed culture assembly is installed in the first culture cavity, and a seedling culture assembly is installed in the second culture cavity; the nutrient solution supply assembly is installed in the first culture cavity and the second culture cavity, and the output end of the nutrient solution supply assembly is located on the upper side of the first culture cavity and the upper side of the second culture cavity. The utility model aims to solve the problems that the energy consumption is large and the economic benefit is reduced when the illumination intensity is manually controlled to meet the photosynthesis of rice seeds or seedlings in the prior art.
Owner:JINGCHU UNIV OF TECH

Gene OsARF1 for regulating and controlling ability of rice root system to penetrate through hard soil and application of gene OsARF1

PendingCN121992001AImproved ability to penetrate hard soilImproved rice cultivationPlant peptidesFermentationBiotechnologyAlkali soil
The invention discloses a gene OsARF1 for regulating and controlling the ability of a rice root system to penetrate through hard soil and application of the gene OsARF1. The amino acid sequence coded by the gene OsARF1 is as shown in SEQ ID No. 2. The nucleotide sequence of the gene OsARF1 is as shown in SEQ ID No. 1 (sequence identifier number 1). According to the invention, the OsARF1 gene is over-expressed in rice, so that the expression level of the OsARF1 gene in a rice variety is improved, and then a rice strain with enhanced root penetrating power in hard soil is obtained. The expression of the OsARF1 gene is up-regulated under the condition of hard soil, the expression of the downstream OsCESA6 gene is inhibited, the cellulose synthesis and cell wall thickening of a cortical cell wall are reduced, the thickening of a root system is promoted, and the ability of the root system penetrating through the hard soil is improved. The application of the invention can be used for cultivating a new rice variety suitable for growing in hard soil, and has important significance for improving rice planting under poor soil conditions such as saline-alkali soil.
Owner:SHANGHAI JIAOTONG UNIV

Agricultural rice planting and cultivating device

The utility model belongs to the field of rice planting and cultivating, and discloses an agricultural rice planting and cultivating device which comprises a plurality of box assemblies used for bearing and supporting and further comprises a rack assembly used for supporting in an up-down layered mode and conveying water to flow circularly, and the box assemblies are evenly placed on the rack assembly. A tray assembly for separating and supporting rice seedlings is mounted at the top of the box assembly; the rack assembly comprises a water storage tank, four stand columns are evenly arranged at the four corners of the water storage tank, a plurality of water tanks are evenly distributed among the stand columns, the water tanks are arranged up and down, and a water circulation mechanism is arranged between the water storage tank and the water tanks. The tray assembly comprises a tray body, and a plurality of supporting mechanisms are evenly distributed on the tray body. According to the agricultural rice planting and cultivating device, due to the arrangement of the upper layered support and the lower layered support, the high-altitude space is reasonably utilized, and the space utilization rate is increased; and through the arrangement of circulating flow of the conveyed water liquid, the cyclic utilization of the water liquid is ensured, and the water quality is convenient to regulate and control.
Owner:黑龙江北大荒农业股份有限公司勤得利分公司

Ultra-high-yield rice cultivation method and system based on cold region

The invention relates to the technical field of agricultural planting, in particular to a cold-region-based rice super-high-yield cultivation method and system, and the method comprises the steps: carrying out plowing operation, rotary tillage operation and drought leveling operation after previous-crop rice is harvested to obtain a drought-leveled rice field; in a pre-period of a preset rice transplanting date, performing water drainage and field steeping operation on the dry and flat rice field to obtain a rice field, and performing weeding operation on the rice field with a stable water layer to obtain a weeding rice field; performing water control operation on the weeding rice field to obtain a water depth controlled rice field; the water depth-controlled rice field is subjected to synchronous operation of rice transplanting and fertilization to obtain a straight rice field, the fertilization operation comprises simultaneous fertilization by using pre-constructed special fertilizer, ear fertilizer and potassium sulfate, 20-25 kg of the special fertilizer is applied per mu, 2 kg of the ear fertilizer is applied per mu, and 3 kg of the potassium sulfate is applied per mu; and intermittent irrigation operation based on shallow water, wet land and dry land is carried out on the straight rice field until the rice is mature. The method can improve the yield of rice planting in the cold region.
Owner:BEIDAHUANG GRP HEILONGJIANG QIXING FARM CO LTD

Planting method for sowing milk vetch synchronously with rice fertilization

The invention discloses a planting method for sowing astragalus sinicus synchronously with rice fertilization, and belongs to the technical field of agricultural cultivation. Aiming at the defects of low emergence rate and tedious independent operation of the existing astragalus sinicus seeding, the invention provides the following steps: preparing a granular fertilizer to be applied and astragalus sinicus seeds, and carrying out physical dry mixing in an anhydrous state before application to form a uniform seed-fertilizer mixture; before the rice growth period is in the ear differentiation II period, the rice field is adjusted to keep a shallow water layer state or a wet state; and uniformly spreading the seed-fertilizer mixture into the rice field at one time along the rice planting row. According to the method, the habitat conditions in the middle and early stage of rice growth are utilized, granular fertilizer is used as a physical dispersion carrier of seeds, rice fertilization and astragalus sinicus seeding are combined into one operation, the germination problem caused by soil drought in traditional late seeding is solved, the growth period is prolonged, root nodulation and nitrogen fixation are promoted, and the yield is increased. The cultivation effects of saving labor and cost and being light and simplified are achieved.
Owner:郑声云