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63 results about "Grain yield" patented technology

Grain Yield. Grain yield is the product of the amount of land in production and the yield per unit of area, the latter of which is determined predominantly by the technical level of the agricultural production system.

Rice yield prediction method based on unmanned aerial vehicle remote sensing image processing

The present invention relates to the technical field of rice yield prediction. Disclosed is a rice yield prediction method based on unmanned aerial vehicle remote sensing image processing. In the method, vegetation indices (VIs), spectral indices, and color indices of rice at different growth stages are collected by an unmanned aerial vehicle, and the rice yield is predicted by using single-date VIs and multi-date VIs based on multispectral (MS) and digital (RGB) images. Both MS and RGB digital sensors on an unmanned aerial vehicle are reliable platforms for rice growth and yield prediction, and it is feasible to estimate the rice yield on the basis of dual-sensor data and temporal accumulation across different growth stages, so that full-growth-stage monitoring of rice can be performed, the influence of spectral indices and color indices at different growth stages on the rice yield can be evaluated, and the pre-harvest grain yield can be predicted in a timely and accurate manner, thereby facilitating rice production management and grain trade.
Owner:ANHUI SCI & TECH UNIV

Biallelic mutation OSCKX2 gene for improving grain yield and generation method of biallelic mutation OSCKX2 gene

The present invention relates to the field of general plant biotechnology and gene editing. In particular, the present invention relates to the generation of diallelic mutant forms of the OsCKX2 (LOCOs01g10110) gene in plants and their use in providing increased 20%-35% grain yield and finer grains, stronger stems, early flowering and maturation, complete heading, improved water and nutrient utilization efficiency, improved photosynthesis and enhanced seedling vigor. The invention also relates to a method for generating the diallele mutation form of the gene OsCKX2 (LOCOs01g10110) in a plant.
Owner:INDIAN COUNCIL OF AGRI RES

Agrochemical adhesion synergist based on plant-derived protein, and preparation method therefor and use thereof

PCT designated stageWO2026098386A1BiocidePlant growth regulatorsProtein stabilizationPlant growth
The present application relates to the field of agrochemical adjuvants, and relates to an agrochemical protein adhesion synergist based on a plant-derived protein, and a preparation method therefor and a use thereof. Said synergist comprises the following raw materials in parts by weight: 20-500 parts of a plant-derived protein, 50-450 parts of a protein dispersant, and 20-350 parts of a protein stabilization and protection agent. The product of the present application improves the utilization rate of agrochemicals and reduces problems such as grain yield reduction and environmental pollution caused by the loss of agrochemicals. Moreover, as the protein degrades into amino acids, plant growth can be promoted, and the resistance of plants to abiotic stress is improved, thereby reducing dosage of agrochemicals while enhancing efficacy of agrochemicals.
Owner:SHAANXI NORMAL UNIV +1

Water-saving and emission-reducing grass-growing strip-shaped intercropping and interplanting method for wheat-corn system in underground water limited mining area of North China Plain

PendingCN121694188AFabaceae cultivationCereal cultivationTillageSoil enzyme
The invention discloses a water-saving and emission-reducing grass-growing strip-shaped intercropping and interplanting method for a wheat and corn system in a groundwater limited mining area in North China Plain. The method comprises the following steps: firstly, performing strip-shaped simultaneous sowing on wheat and clover, only performing accurate water and fertilizer regulation and control on a wheat strip in a wheat growth period, and interplanting corn in the clover strip in a no-tillage manner when the wheat enters a dough stage; after the crops are harvested, the straw is smashed, covered and returned to the field, the clover naturally overwinter, and the next planting cycle is carried out; by means of the planting method, annual water consumption and carbon and nitrogen footprint can be effectively reduced, annual grain yield stability is maintained, meanwhile, soil enzyme activity and microbial environment are improved, cooperation of water saving, emission reduction, stable yield and soil improvement is achieved, and technical support is provided for agricultural sustainable development of underground water mining limit areas.
Owner:HEBEI AGRICULTURAL UNIV.

A method for increasing rice paddy yield and reducing N2O emissions by regulating the application of zero-valent iron.

This invention relates to the field of agricultural environment and soil fertilizer technology, and in particular to a method for increasing paddy field yield and reducing N2O emissions by regulating the application rate of zero-valent iron. The method includes the following steps: at the early tillering stage of rice, zero-valent iron is mixed with tillering fertilizer and applied to the paddy field soil; the application rate of zero-valent iron is 20-50 mg / kg (dry soil basis). ‑1 The method involves applying booting fertilizer to the paddy soil during the early booting stage of rice, and irrigating throughout the entire rice growth cycle. This invention, by applying an appropriate amount of zero-valent iron in a single application on top of conventional fertilizer application, can synergistically achieve greenhouse gas emission reduction and increased grain yield, providing a feasible path for green production in paddy fields.
Owner:BEIJING UNIV OF TECH

Regional crop water productivity prediction method, device, equipment, medium and product

PendingCN122088789ASolve the problem of "not seeing the whole picture"Solve the problem of "unclear mechanism"ForecastingMachine learningWater productivitySoil science
This application discloses a method, apparatus, equipment, medium, and product for predicting regional crop water productivity, relating to the field of smart agriculture. The method includes inputting historical and future climate data into an ecosystem process model to obtain simulated net primary productivity and simulated evapotranspiration for historical and future times; using a bias mapping method based on the simulated evapotranspiration, actual evapotranspiration, and simulated evapotranspiration for future times to obtain predicted evapotranspiration for future times; training multiple machine learning models based on the simulated net primary productivity, agricultural management data, and grain yield per unit area for historical times to obtain a crop yield prediction model; obtaining the predicted grain yield per unit area for future times based on the crop yield prediction model; and obtaining the regional crop water productivity based on the predicted evapotranspiration and the predicted grain yield per unit area for future times. This application can achieve high-precision, high spatiotemporal resolution, and high-reliability prediction of regional crop water productivity.
Owner:INSTITUTE OF ENVIRONMENT AND SUSTAINABLE DEVELOPMENT IN AGRICULTURE CAAS

Regional soil heavy metal water input type pollution risk assessment method and system

The invention provides a regional soil heavy metal water input type pollution risk assessment method and system, and relates to the technical field of soil pollution risk assessment. Aiming at the problem of insufficient accuracy of existing pollution risk assessment, the method comprises the following steps: acquiring a sub-basin boundary, a cadmium-containing wastewater discharge point, cultivated land distribution data, a grain yield, cultivated land irrigation water consumption and a flood-submerged cultivated land area; calculating a cadmium emission hazard index, an irrigation exposure index, a flood exposure index and a vulnerability index according to the acquired data; after standardization processing is conducted on the key indexes, cadmium pollution risk values of the irrigation approaches and the flood approaches of all the sub-basins are calculated; dividing an irrigation exposure type and a flood exposure type according to a set threshold value, and determining a comprehensive risk type by combining the dual-path risk value; a sensitive analysis model is adopted, the key index is used as an input quantity, the double-path risk value is used as an output quantity, and a sampling and statistical method is set to identify a sensitive factor with the maximum influence of the risk value. According to the method, comprehensive and accurate evaluation of the watershed scale pollution risk is realized.
Owner:TECH CENT FOR SOIL AGRI & RURAL ECOLOGY & ENVIRONMENT MINIST OF ECOLOGY & ENVIRONMENT

Application of helicase RECG in improvement of agronomic traits of corn

The invention discloses application of ATP-dependent DNA helicase RECG in improvement of agronomic traits of gramineous crops, corn overexpression helicase RECG or enhancement of enzyme activity can improve grain yield and plant biomass, and the application is of great significance to cultivation of new high-yield corn varieties.
Owner:CAS CENT FOR EXCELLENCE IN MOLECULAR PLANT SCI

Grain safety yield monitoring and risk early warning method based on big data analysis

PendingCN122288411ASoil scienceVegetation Index
This invention relates to the field of food security monitoring technology, specifically a method for monitoring and warning of food security yield based on big data analysis. The method includes: collecting multi-source monitoring data such as remote sensing vegetation index time-series data, meteorological observations, soil moisture, crop growth surveys, and historical yield statistics. An improved time-series decomposition algorithm combining crop phenological patterns and interannual cycle characteristics is employed to decompose multiple components of the remote sensing time-series data. Spatiotemporal fusion and feature derivation are performed on farmland environment and growth data to construct a multi-dimensional feature vector set. A yield prediction integration model is used to calculate the predicted grain yield and confidence interval, and combined with yield security thresholds, graded risk warning information is output. Multiple data types are integrated to generate a structured warning report, which is then pushed to a decision support platform, achieving accurate grain yield calculation and standardized risk warning.
Owner:YUNNAN NORMAL UNIV

Grain production risk assessment method and equipment based on climatic year type, and storage medium

The invention provides a grain production risk assessment method and equipment based on climatic years and a storage medium. The method comprises the following steps: acquiring historical data of a specified region, wherein the historical data comprises the yield of specified crops, meteorological data and cultivated land data; performing grain production key climate factor identification based on historical data to obtain a meteorological yield and a meteorological factor influence coefficient, and performing climate year division to obtain a climate year division result; based on the meteorological yield and the division result, the risk degree of the annual specified crops is determined; based on the cultivated land data in the historical data and the risk degree, the suitability grade index of the specified crop in the specified region is determined, the risk degree and the suitability grade index are integrated, an assessment result representing the grain production risk of the specified crop is obtained, and the assessment result comprises the risk degree and the suitability grade index. The influence of annual climate fluctuation on the grain yield is quantified, and the accuracy of grain production risk assessment is improved.
Owner:CHONGQING METEOROLOGICAL SCI RES INST

Grain yield prediction method based on multi-source and multi-temporal remote sensing technology

The invention relates to the technical field of image sequence analysis, in particular to a grain yield prediction method based on a multi-source and multi-temporal remote sensing technology, which comprises the following steps: acquiring reflectivity data and texture features of a crop coverage area, identifying abnormal sections and environmental stress, detecting a change rule, analyzing a variable matching relationship and sequencing performance. And analyzing a prediction relationship between the key nodes and the yield, identifying abnormal intervals and overrun nodes, and obtaining a crop growth and environment variable regulation and control strategy table. According to the invention, through integration of multi-source remote sensing data and environment variable analysis, crop growth states and abnormal areas can be accurately identified, agricultural monitoring and decision support are optimized, time response characteristics of crop growth and environment factors are analyzed, limitations of a single data source and a specific area model are overcome, and applicability of the model is improved. The method achieves the optimization of the model performance, guarantees the accuracy of yield prediction, optimizes the production management strategy and environment regulation, and promotes the efficient operation and precise management of agricultural production.
Owner:SHANDONG ZHINONG CLOUD TECH CO LTD

Method for measuring yield of pasture soybeans

The invention discloses a forage soybean yield measuring method, and belongs to the technical field of crop yield detection, and the method comprises the following steps: S1, obtaining core basic information of a target land parcel, and carrying out homogeneous yield measuring unitization division on the land parcel; s2, dynamically adjusting the side length of the grid according to the planting density, setting center-edge double-region sampling points in a stepped manner according to the area of a homogeneous yield measurement unit, and arranging a sampling frame; s3, respectively collecting morphological parameters and spectral parameters, and measuring grain potential parameters; s4, respectively constructing multiple linear regression models of the fresh grass yield and the grain yield; s5, after the model measurement values of all the homogeneous yield measurement units are corrected, the total yield of the fresh grass and the grains of the target plot is obtained through summarizing; and S6, enabling the core parameter variation coefficient of all sampling points in each homogeneous yield measurement unit to be not higher than 15%, and generating a color graded yield distribution diagram and an Excel report. The technical problems that a traditional yield measuring method is weak in pertinence, high in destructiveness, large in error and low in efficiency are solved.
Owner:INSTITUTE OF ECONOMIC CROPS OF SHANXI AGRICULTURAL UNIVERSITY (INSTITUTE OF ECONOMIC CROPS OF SHANXI ACADEMY OF AGRICULTURAL SCIENCES)

combine harvester threshing device

The present invention relates to a combine harvester that cuts grain stalks growing in a field and threshes the grain using a threshing device, and aims to increase the yield of grain by eliminating the loose grains that are discharged outside the machine along with the threshed material. [Solution] In a threshing device 4 in which a threshing cylinder 11 with threshing teeth 16 erected is mounted on an axis inside a threshing chamber 10 of the threshing device 4, the lower outer surface of the threshing cylinder 11 is surrounded by a receiving net 12 in an arc shape, and grains that leak down from the receiving net 12 are received into a sorting chamber 20 for sorting and harvesting, the threshing device 4 is characterized in that an agitator 17 is provided near the end of the threshing cylinder 11 inside the threshing chamber 10, entering and intersecting the rotational trajectory of the tip of the threshing teeth 16 from the receiving net 12 side.
Owner:ISEKI & CO LTD

Preparation method of NiII-containing coordination polymer and research on inhibition effect of NiII-containing coordination polymer on soil urease and nitrifying bacteria

The invention discloses a preparation method of a NiII-containing coordination polymer and research on the inhibition effect of the NiII-containing coordination polymer on soil urease and nitrifying bacteria, and the preparation method comprises the following steps: synthesizing N, N-dimethylformamide by taking pyridine-3-carboxylic acid and 1, 2-ethylenediamine as raw materials; the invention discloses a novel coordination polymer [Ni (1, 4-chdc) (3-dpy) (H2O) 2], which is prepared by the following steps of: synthesizing N, N '-bis (3-pyridinecarboxamide)-1, 2-ethane by using NiCl2. 2H2O, the synthesized N, N'-bis (3-pyridinecarboxamide)-1, 2-ethane and 1, 4-cycloadipic acid through a hydrothermal method, and researching the influence of the novel coordination polymer [Ni (1, 4-chdc) (3-dpy) (H2O) 2] as an inhibitor on soil urease and nitrifying bacteria by analyzing the crystal structure of the novel coordination polymer [Ni (1, 4-chdc) (3-dpy) (H2O) 2]. The research on the compound as an inhibitor reduces the conversion of urea from urea N to ammonium nitrogen and the conversion of ammonium nitrogen to nitrate nitrogen, improves the utilization rate of the fertilizer urea and the stability of the urea, reduces environmental pollution and improves the grain yield. Compared with a traditional inhibitor, the novel NiII coordination polymer serving as a urease and nitrification inhibitor has the advantages of longer half-life period, small toxic and side effects, low preparation cost and more comprehensive functions, the utilization rate of nitrogen fertilizer urea can be greatly increased, the grain yield is increased, and the environmental pollution is reduced.
Owner:SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI

Application of maize ZmAAP37 gene in regulating agronomic traits and nitrogen accumulation in maize kernel

PendingCN122382116ANitrogen accumulationMolecular breeding
The application belongs to the technical field of plant molecular breeding, and provides a corn ZmAAP37 Gene in regulating corn agronomic traits and grain nitrogen accumulation, the application includes at least one of the following: (1) increase the nitrogen content of corn kernel; (2) increase the free amino acid content of corn kernel; (3) improve the aboveground biomass of corn plant; (4) increase the plant height of corn plant; (5) delay the leaf senescence of corn plant; (6) improve the nitrogen utilization rate of corn. The application shows that, ZmAAP37 By increasing the transport of amino acids in leaves to phloem, the nitrogen remobilization is promoted, and finally the grain nitrogen concentration is significantly increased without affecting the grain yield. The application provides ZmAAP37 The gene can provide new gene resources for nitrogen utilization of crops, especially corn, and has great application value in regulating nitrogen utilization of crops.
Owner:CHINA AGRI UNIV

Breeding method of drought-resistant and high-temperature-resistant millet variety

The invention provides a breeding method of a drought-resistant and high-temperature-resistant millet variety. The breeding method comprises the steps of parent selection, cross pollination, F planting and screening, F and offspring planting and multi-generation screening, stable strain identification and the like. According to the method, parents with obvious drought resistance and high temperature resistance are selected for hybridization, drought stress and high temperature treatment are set in different growth stages, quality screening is combined, and the millet strain with stable characters is bred in multiple generations. The method can accurately and directionally select, accelerates character stability and shortens the breeding period. The bred millet variety has the characteristics of drought resistance and high temperature resistance, the yield reduction range is small under the high-temperature drought condition, and the quality is good. According to the method, the breeding efficiency is improved, the grain yield and quality are guaranteed, agricultural sustainable development is promoted, and the requirement of the market for the high-quality stress-resistant millet variety is met.
Owner:HENAN ACAD OF AGRI SCI INST OF GRAIN CROPS

A corn planting method of secondary compacting seed

The present application relates to a kind of secondary compaction corn seeding method to seed.The present application seeding method includes the following steps: first compaction: after sowing, before covering soil, seed is first compressed, second compaction: seed is second compressed after covering soil.The present application carries out secondary compaction to corn seed, and emergence rate is increased by more than 5%, drought resistance, anti-lodging capacity is strengthened, and the effect of guaranteeing emergence rate and grain yield is obvious, with good popularization and application value.
Owner:CHINA AGRI UNIV JILIN PEAR EXPERIMENT STATION +1

Remote sensing evaluation method and device for yield reduction degree of farmland in high groundwater level mining subsidence area

The application relates to the technical field of land utilization, in particular to a remote sensing evaluation method and device for the yield reduction degree of cultivated land in a high-water-level coal mining subsidence area, wherein the method comprises the following steps: based on effective remote sensing images, constructing an annual water frequency index time sequence to identify water body pixels, combining a preset algorithm to identify coal mining subsidence water bodies by taking patches as objects, evaluating the yield of cultivated land based on NDVI cumulative values TI-NDVI in a growth period, constructing a spatial gradient model by buffering outward from the center of the coal mining subsidence water bodies, using an exponential function to fit the model and analyze the spatial gradient change rule of TI-NDVI, identifying the boundary of the yield reduction degree based on the spatial gradient change rule, and calculating the grain yield reduction based on the yield reduction degree. Therefore, the problem that in the related art, due to the fact that the grain yield data in a small range and unmanned aerial vehicle remote sensing are mainly used, it is difficult to evaluate the surface subsidence caused by coal mining and the influence on farmland and grain in a regional range is solved.
Owner:CHINA UNIV OF MINING & TECH (BEIJING) +1

A method for quantifying the impact of the ecological barrier function of black soil farmland on grain yield

This invention provides a method for quantifying the impact of the ecological barrier function of black soil farmland on grain yield, relating to the field of grain yield impact assessment technology. The method includes: acquiring geospatial data on climate, soil, hydrology, and land use of the target ecological region; determining the extent of the black soil farmland ecological barrier and calculating its five ecosystem service function values ​​(habitat quality, water conservation, soil retention, water purification, and carbon sequestration); generating an ecological barrier function comprehensive value (ESI) through normalization and equal-weighted overlay; calculating and normalizing the grain yield of black soil farmland using remote sensing data and the harvest index method; fitting the nonlinear relationship between ESI and grain yield based on multi-scale window random sampling; and determining the optimal ratio of ecological barrier grids, the minimum threshold for ecological function, and the saturation threshold for farmland ecological function through derivative analysis. This invention overcomes the challenge of quantification at the landscape or regional scale, providing precise evidence for black soil ecological restoration and food security decision-making.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Deep learning enhanced cultivated land pattern history reconstruction system and method

The invention discloses a deep learning enhanced cultivated land pattern history reconstruction system and method. The method belongs to the technical field of historical cultivated land data reconstruction. The system comprises a multivariate data input module which is used for acquiring land utilization / coverage data, natural environment data and social economic data of a to-be-cultivated land pattern reconstruction region in a certain historical period; obtaining a cultivated land expansion map through the land utilization / coverage data, obtaining a natural environment driving factor through the natural environment data, and obtaining a social economic driving factor through the social economic data; the historical cultivated land area reconstruction module is used for constructing a grain yield-cultivated land area regression model of a research region, performing regional cultivated land area reconstruction based on the grain yield-cultivated land area regression model, and obtaining the annual net increment and decrement cultivated land pixel quantity by calculating the cultivated land area difference value of adjacent years; and the deep learning enhanced space simulation module is used for carrying out year-by-year farmland area reconstruction from the last year of the reconstruction year through a reverse simulation strategy based on a PLUS model.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Automatic adjusting device for cleaning system of combine harvester

An automatic adjusting device for a cleaning system of a combine harvester comprises a fan speed adjusting mechanism, a sieve plate opening adjusting mechanism, a piezoelectric sensor and two electric control transmission mechanisms, and the piezoelectric sensor, a motor and an angle sensor are all electrically connected with a PLC through wires. According to the grain yield, the operation speed of the harvester and the amount of materials entering the cleaning structure, automatic adjustment can be conducted in real time in the working state, crop losses are reduced, and the production efficiency is improved. The motor, the fan-shaped toothed plate and the hole seat of the fan-shaped toothed plate successively drive and control the corresponding pull rod and the pull wire, a gap between the speed regulation belt wheel movable disc and the speed regulation belt wheel fixed disc is changed, a belt on the gap can move upwards or downwards, the transmission radius can be correspondingly changed, the rotating speed of the fan is correspondingly and automatically adjusted and changed, and the fan is driven to rotate. The angle of the adjusting plate can be freely adjusted around the adjusting plate rotating shaft under the cooperation of the pulling force of the pull wire and the elastic force of the reset spring, and therefore the opening degree of the sorting screen is automatically adjusted and changed.
Owner:JIANGSU WORLD AGRI MACHINERY

Medicago truncatula MtSPP1 gene and application thereof

The invention discloses a medicago truncatula MtSPP1 gene and application thereof. The nucleotide sequence of the medicago truncatula MtSPP1 gene is as shown in SEQ ID NO.1, and the amino acid sequence of protein expressed by the gene is as shown in SEQ ID NO.2. The medicago truncatula MtSPP1 gene has a nucleotide sequence as shown in SEQ ID NO.1. The medicago truncatula MtSPP1 gene is applied to increase of the soybean yield and the nodulation number. The MtSPP1 transgene provided by the invention can obviously improve the yield of stems and leaves of the overground part of the soybean, and has important application value in molecular breeding of feed type soybean. The MtSPP1 transgene can obviously improve the grain yield of soybeans, and has important application value in molecular breeding of oil and edible soybeans. The MtSPP1 transgene can significantly increase the number of root nodules of soybeans, has important application value in molecular breeding of soybeans for green manure, and is suitable for popularization and application.
Owner:NORTHWEST A & F UNIV

Spray for relieving high-temperature drought stress of corn and application thereof

The invention discloses a spray for relieving high-temperature drought stress of corn and application of the spray, and belongs to the technical field of agriculture. The invention innovatively provides a '5 mg / L 6-benayl aminopurine (6-BA) + 1.1 g / L glycine betaine (GB) 'binary composite spray aiming at the key problems that the corn yield formation is blocked under the high temperature and drought composite stress, the development of male and female ears is inharmonious and the like. The composite plant growth regulator provided by the invention shows a remarkable yield protection effect under high temperature and drought composite stress. The CE treatment effect is optimal, and experimental results show that the grain yield reaches 891.74 kg / mu, and the yield is increased by 11.79% compared with that of a clear water control group (797.04 kg / mu). Experimental data prove that the compound formula enhances pollination and fertilization capabilities while maintaining photosynthetic efficiency by cooperatively regulating and controlling development of male and female ears, and finally realizes stable increase of corn yield under high-temperature drought stress conditions.
Owner:HENAN AGRICULTURAL UNIVERSITY

Harvester grain yield data management system and method

The invention discloses a harvester grain yield data management system and method, and relates to the technical field of grain yield data management. The system comprises a feeding stage management module, a discharging stage management module, a measurement precision management module and a yield data uploading and storing module. Through feeding stability detection, basic data support is provided for follow-up discharging control, the continuity and reliability of yield measurement are improved from the source, and discharging amount abnormity or measurement errors caused by feeding fluctuation are avoided. Furthermore, dynamic association is established between feeding and discharging, self-adaptive discharging adjustment is achieved, and the stability and response precision of the measurement process are effectively improved. On the basis, the authenticity and timeliness of the yield data are ensured through linkage of data uploading and precision judgment, so that the reliability of yield data management is further improved, precision control and management of the whole process from feeding to data uploading are realized, and the credibility of the grain yield data of the harvester is remarkably improved.
Owner:BEIJING JIAYI INTELLIGENT MFG TECH CO LTD

Method and device for controlling a harvester

The application discloses a control method and device for a harvester, and the control method comprises the following steps: obtaining loss data of target grain, and determining a loss rate of the target grain based on the loss data of the target grain; obtaining quality data of the target grain, and determining an impurity rate of the target grain based on the quality data of the target grain; the quality data comprises the quality of the target grain and the quality of impurities in the target grain; and based on the loss rate and the impurity rate, adjusting a target device of the harvester so that the loss rate and the impurity rate of the target grain are within corresponding preset ranges. The technical scheme provided by the application realizes full-automatic control harvesting of the harvester, ensures the specialization and consistency of the harvesting effect, is not affected by the subjective experience of the driver on the harvesting effect, reduces the labor intensity of the driver, and improves the operation efficiency and the grain yield.
Owner:LOVOL HEAVY IND CO LTD

A deep learning enhanced cultivated land pattern history reconstruction system and method

A deep learning enhanced cultivated land pattern history reconstruction system and method. It belongs to the technical field of historical cultivated land data reconstruction. The system includes a multi-element data input module: obtaining land use / cover data, natural environment data and social economic data of a historical period of the cultivated land pattern reconstruction area; obtaining cultivated land expansion atlas through land use / cover data, obtaining natural environment driving factors through natural environment data, and obtaining social economic driving factors through social economic data; a historical cultivated land area reconstruction module: constructing a grain yield-cultivated land area regression model of the research area, reconstructing the cultivated land area of the region based on the grain yield-cultivated land area regression model, calculating the difference of cultivated land area between adjacent years to obtain the number of annual net increased and decreased cultivated land pixels; a deep learning enhanced spatial simulation module: starting from the last year of the reconstruction year, the cultivated land area is reconstructed year by year through the reverse simulation strategy based on the PLUS model.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Application of STG5.2 gene in regulating and controlling salt tolerance of rice

The invention provides application of an STG5.2 gene in regulating and controlling salt tolerance of rice, and relates to the technical field of biology. According to the invention, rice LOCOs05g07260 (STG5.2, Salt Toolance and Grain Yield-Related Gene 5.2) is obtained through cloning, the rice LOCOs05g07260 is annotated as a phosphatidylinositol glycosylation related gene, the research of the inventor finds that the STG5.2 gene has the function of positively regulating and controlling the salt tolerance and the grain yield of rice, and after the gene is knocked out, the growth of a plant is hindered in a saline-alkaline stress and the grain yield is severely reduced. The invention has potential application value for excavating the rice salt-tolerant gene and cultivating a new salt-tolerant rice variety.
Owner:AGRICULTURAL GENOMICS INSTITUTE AT SHENZHEN CHINESE ACADEMY OF AGRICULTURAL SCIENCES (SHENZHEN BRANCH GUANGDONG LABORATORY FOR LINGNAN MODERN AGRICULTURE)

Evaluation method and application of mesosulfuron-methyl herbicide-resistant wheat

The invention discloses an evaluation method and application of mesosulfuron-methyl herbicide-resistant wheat, and belongs to the technical field of wheat breeding. The method comprises the following steps: performing endogenous hormone content detection, specific metabolite content detection, wheat plant height, flag leaf form, grain yield and quality index detection on to-be-evaluated wheat sprayed with mesosulfuron-methyl, and comparing a detection result with a non-pesticide-applied control or a known variety; and comprehensively evaluating the tolerance of the wheat to mesosulfuron-methyl. According to the invention, a set of multi-index comprehensive evaluation system is constructed. The method effectively overcomes the defects that a traditional method depends on subjective field observation, evaluation lags behind and indexes are single, achieves objective identification of mesosulfuron-methyl resistance of wheat varieties, and provides reliable technical support for rapid screening of resistant varieties, early evaluation of breeding materials and safe field medication. The invention also provides application of the method in preparation of a detection kit.
Owner:SHIJIAZHUANG ACADEMY OF AGRI & FORESTRY SCI

Electronic device with graphical user interface for displaying contents of an agricultural product system

1. Name of the product in this design: Electronic device with a graphical user interface displaying agricultural product system content. 2. Purpose of this design: To showcase the agricultural product system and its specific contents. 3. The key design features of this product are the content and layout of the user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The application platform computer is an existing design, and other views are omitted. 6. Purpose of the graphical user interface: To display the agricultural product system and its specific details to users. 7. Human-computer interaction method of graphical user interface: The main view is the overlay screen of the main interface, which is a graphical user interface that displays the agricultural product system and its specific content; clicking the corresponding icon button in the main interface can enter the corresponding interface and download the corresponding file. 8. Other situations requiring explanation: The clickable button locations are in the usage status reference map, including derivative products, productivity level, aboveground biomass, grain yield per unit area, phenological period, vegetation index, crop growth, net primary productivity (NPP), planning analysis, identification of non-grain use in high-standard farmland, distribution of high-standard farmland, distribution of grain production functional zones, analysis of current seed value status in grain production functional zones, basic products, arable land properties, distribution map of heavy metal pollution, distribution map of arable land quality grades, distribution map of soil fertility, arable land types and distribution, and arable land classification. Distribution maps (irrigated land, dry land, paddy fields, orchards, tea gardens, nurseries), flat farmland distribution map, sloping farmland distribution map, planting space distribution map, potato planting distribution map, greenhouse distribution map, rice (2 seasons), wheat planting distribution map, rapeseed planting distribution map, corn planting distribution map, extended products, farmland spatial morphology: plot shape index, plot contiguousness, landscape index, farmland monitoring, increase and decrease of sloping farmland, increase and decrease of farmland, farmland utilization level, farmland pressure index, reclamation index, farming convenience, farmland radius, planting ratio, multiple cropping index.
Owner:AERIAL SURVEY & REMOTE SENSING BUREAU OF CHINA COAL GEOLOGY ADMINISTRATION +2

Peucedanum praeruptorum dunn intercropping and crop rotation intensive planting method

The invention discloses a peucedanum praeruptorum intercropping and crop rotation intensive planting method, and relates to the technical field of peucedanum praeruptorum planting, and the method comprises the following steps: S1) preparation before planting: land selection and soil preparation: selecting a gentle slope land with a deep soil layer and loose soil texture, deeply plowing in winter, airing for about one month, raking the land before sowing, and digging compartments; seed soaking and dressing: common hogfenneI roots are sown in February to March, hogfenneI roots seeds are soaked in water at normal temperature one day before sowing, the seeds are fished out, the surfaces of the seeds are aired, and the seeds and plant ash are uniformly mixed for standby application; according to the peucedanum praeruptorum dunn growth characteristics and the planting period, proper crops are screened for intercropping and crop rotation with peucedanum praeruptorum dunn, on one hand, bolting of peucedanum praeruptorum dunn is reduced, the yield and quality of medicinal materials are improved, on the other hand, crop planting is increased, the grain yield and income are improved, and excessive non-grain cultivation of cultivated land is prevented through the intercropping and crop rotation method; the seed germination rate is improved and the planting cost is reduced.
Owner:GUIZHOU BOTANICAL GARDEN (GUIZHOU INST OF HORTICULTURAL SCI GUIZHOU INST OF BOTANY) +1