299 results about "Agricultural development" patented technology

The invention discloses an accurate fertilizer proportioning production control system based on data analysis, and relates to the technical field of intelligent agriculture, the system collects soil and crop related data in real time through a sensor group and monitoring equipment, and after preprocessing, a crop growth environment data set is formed; summarizing and calculating a soil microorganism activity index, a root respiration rate index and a photosynthesis efficiency index; the indexes and the soil environment data are combined to determine the specific feeding demand quantity of nitrogen, phosphorus and potassium, the specific feeding demand quantity of nitrogen, phosphorus and potassium is summarized, a comprehensive fertilizer proportion index is calculated, evaluation is performed according to a preset first fertilizer demand threshold value and a preset second fertilizer demand threshold value, and when an evaluation result triggers a proportion adjustment mechanism, the fertilizer is adjusted. And the fertilizer ratio regulation and control module dynamically adjusts the fertilizer ratio according to the actual crop and soil conditions, and optimizes the ratio effect through a feedback mechanism. According to the system, the nutrient supply precision of crops is improved, fertilizer waste can be effectively reduced, and sustainable agricultural development is promoted.

The invention provides an intelligent crop monitoring system based on spatio-temporal data, and relates to the technical field of crop monitoring, and the system comprises a data collection module which is used for collecting multi-source spatio-temporal data of a target farmland area; the multi-source spatio-temporal data comprises remote sensing images, meteorological data, soil data and farmland sensor data; the data processing module is used for carrying out preprocessing and data fusion on the multi-source spatio-temporal data to obtain a unified spatio-temporal data set; the intelligent analysis module is used for performing intelligent analysis on the growth state, the pest and disease risk and the yield of the crops according to the spatio-temporal data set based on artificial intelligence and spatio-temporal analysis technologies to obtain an analysis result; and the visual display module is used for carrying out visual display on the analysis result. The agricultural production efficiency and the management level are improved, powerful support is provided for sustainable agricultural development, and remarkable economic, social and environmental benefits are achieved.

The invention discloses a farmland soil data digital analysis method and system, and the method comprises the steps: obtaining a farmland image, and dividing the image into different planting regions according to plants; based on the images of different planting areas, dividing the images into a plurality of sub-areas, obtaining soil samples in each sub-area, and analyzing the samples to obtain soil fertility in the sub-areas; based on the land fertility of different time nodes in each sub-region, obtaining a land fertility change condition; and comprehensively evaluating and analyzing the soil fertility change condition of the planting area based on the soil fertility change condition in each sub-area. The farmland soil fertility monitoring system has the advantages that accurate monitoring and dynamic tracking of farmland soil fertility are realized through image analysis and soil sample collection, and scientific decision support is provided for agricultural production. Through analysis of the soil fertility change trend, optimization of a fertilization scheme is facilitated, the land utilization efficiency is improved, and sustainable agricultural development is promoted.

The invention provides a saline-alkali soil dry sowing pressing sowing yield increasing method, and belongs to the technical field of agricultural planting, and the method comprises the following steps: S1, seed treatment; s2, land consolidation; s3, sowing the seeds; and S4, pressing. According to the dry sowing, pressing and sowing yield increasing method for the saline-alkali soil, all links including seed treatment, land consolidation, sowing, pressing and the like are finely designed and optimally combined, special soil conditions and crop growth requirements of the saline-alkali soil are fully considered, and the germination rate of seeds, the survival rate of seedlings and the yield of crops can be remarkably increased; an efficient and feasible technical scheme is provided for agricultural development and utilization of the saline-alkali soil, and the method has wide application prospects and popularization value.

The invention relates to the technical field of agricultural development, and discloses a characteristic rural industry green planning system combined with economic analysis, and the system comprises a data collection and analysis module which is used for collecting and integrating policy information, environment data, economic data and market demand information; the environment evaluation and grading module is used for dividing the rural industrial area into a green multi-dominant production area, a pollution-free multi-dominant production area, a green less-dominant production area and a pollution-free less-dominant production area; the industrial planning module is used for designing production, processing, packaging and supply chain schemes of characteristic agricultural products and constructing a brand construction scheme in combination with regional historical and cultural characteristics; the economic analysis module is used for analyzing economic benefits of the industry, evaluating risks and providing an optimization scheme; and the intelligent auxiliary decision-making module simulates economic and ecological influences of different planning schemes. According to the method, intelligent and dynamic planning is realized through reinforcement learning, linear planning and a system dynamics model, and the scheme is quickly adjusted according to real-time environment, economy and policy data.

The invention discloses a soil acidification improvement method, and relates to the technical field of soil improvement, according to the soil acidification improvement method, evaluation of soil attributes is completed through multi-level diagnosis and calculation of the acidification coefficient, the physical obstacle coefficient and the buffer capacity coefficient of soil, and comprehensiveness of soil acidification analysis is ensured. The problem of limitation existing in the current soil acidification analysis process is solved, meanwhile, a threshold value is used for driving decision control flow branches, an improvement scheme is flexibly upgraded based on real-time monitoring data, the soil improvement effect is improved, closed-loop learning double feedback and S6, data are fed back to S1, self-optimization of the system is achieved, the system adapts to soil changes, and the soil acidification analysis efficiency is improved. An abnormal state after improvement is warned in time, so that the soil safety is guaranteed; the method is suitable for the fields of land restoration and the like, the soil improvement efficiency is improved through data-driven intelligent decision, resource waste is reduced, soil acidification is improved and upgraded, and a technical engine is provided for agricultural sustainable development and cultivated land protection.

The invention discloses a compound microorganism and application thereof to improvement of saline-alkali soil, and relates to the technical field of agriculture, the compound microorganism is obtained by compounding halophilic bacillus, rhodotorula mucilaginosa, alkali-resistant rhizobium, desulfurization vibrio and siliconizing bacteria, and the excellent saline-alkali soil improvement effect can be achieved. The functional strains cooperate with one another, have complementary advantages, and play a role in multiple aspects such as soil structure improvement, nutrient supply and absorption, salt and alkali relief, microbial community optimization and the like. The compound microbial preparation has an efficient synergistic mechanism, provides an innovative solution for solving the problem of saline-alkali soil, and shows huge potential in the aspects of promoting agricultural green development and ecological protection.

The invention relates to the technical field of digital agriculture, in particular to a farmer portrait generation method and system based on GIS pattern spots. According to the farmer portrait generation method based on the GIS pattern spots, a farmland plot is locked in real time through a satellite map with the precision of 0.5 m, and farmer production behaviors are collected and analyzed in real time so as to generate a digital farmer portrait. According to the farmer portrait generation method and system based on the GIS pattern spots, decision-making precision can be accurate to a window period of 3 days, meanwhile, early warning of plant diseases and insect pests can be achieved 14 days in advance, the fuel cost of agricultural machinery is reduced, meanwhile, environmental pollution is reduced, supervision efficiency is improved, and great convenience is provided for modern agricultural development.

The invention discloses a comprehensive ecological regulation and control method for compound diseases and insect pests of field crops, relates to the technical field of agricultural disease and insect pest control, and aims to solve the technical problems that various technologies are not effectively matched for use and the control effect is poor in the current control method. Comprising the following steps: investigating the current insect pest occurrence type and occurrence degree of crops, and counting data; according to the method, a beneficial farmland ecological environment is created through ecological regulation and control, for example, special plants are planted to repel and introduce beneficial insects; physical prevention and control means are adopted, for example, trapping with trapping belts can be customized for research and development, sex pheromone trapping and pest mating rhythm are combined, and light trapping selects wavelength according to pest phototaxis; through chemical prevention and treatment, on the basis of selecting low-toxicity pesticides and pesticide application technologies, the pesticide application time and dosage are accurately grasped, and pollution is reduced. According to the invention, a plurality of prevention and control means supplement each other, so that diseases and insect pests can be effectively handled under the condition of conforming to the sustainable agricultural development concept, and the growth of crops is guaranteed.

The invention discloses an ecological low-carbon agriculture development level evaluation method based on comprehensive indexes, and relates to the technical field of ecological low-carbon agriculture evaluation. Comprising the following steps: constructing an ecological low-carbon agricultural evaluation index system according to an ecological low-carbon agricultural connotation; determining each level of index weight of the ecological low-carbon agricultural evaluation index system according to the historical data; and according to the basic data and the index weight, calculating an ecological low-carbon agricultural comprehensive index level, and realizing ecological low-carbon agricultural evaluation. According to the method, the effect of ecological low-carbon agricultural development can be accurately evaluated, the comprehensive agricultural development level can be effectively measured, a key quantitative basis is provided for agricultural development planning and adjustment, ecological low-carbon agricultural development is powerfully promoted, and the method has an extremely important promoting effect on promoting agricultural sustainable development and achieving targets.

The invention discloses a SbWRKY51 gene, a promoter and application of the SbWRKY51 gene and the promoter in improvement of salt tolerance of sorghum, and belongs to the technical field of plant genetic engineering. The SbWRKY51 gene is screened from sorghum, and the expression level of the SbWRKY51 gene is up-regulated after salt stress treatment. The protein coded by the gene belongs to a WRKY transcription factor family, has transcriptional activation activity, and can start the expression of a reporter gene. Sorghum overexpression strains and complementary strains of the gene are obtained, salt tolerance related physiological indexes are measured, overexpression of the gene can improve the seed germination rate, increase the seed root length, regulate ion balance and enhance the free radical scavenging capacity of plants, and the effect of the gene in the aspect of improving the salt tolerance is embodied. A further research finds that the SbWRKY51 gene can enhance the plant salt tolerance by regulating a lignin synthesis pathway. The technical scheme provides a basis for cultivating resistant plants, and has important guiding significance for enhancing the production potential of sorghum under a high-salt condition and promoting agricultural development.

The invention discloses an agricultural small-watershed integrated water and soil loss prevention and control method, which comprises the following steps of: performing source reduction in a slope cropland area with the gradient of more than 6 degrees to control a slope cropland erosion source so as to treat surface erosion and runoff expansion; process blocking and control are conducted from the middle upstream area to the middle downstream area, and sediment migration is blocked and the confluence speed is adjusted through linkage of the grading ditch system and the sedimentation and storage facility; tail end purification is carried out in a drainage basin outlet area, water quality is purified through ecological engineering measures, and a drainage basin outlet is stabilized; the technical problems that in the prior art, comprehensive prevention and control means starting from the whole drainage basin are lacked, traditional measures have obvious defects in the aspects of function coupling, space coordination and ecological restoration capacity, and the dual requirements of current agricultural green development and ecological environment protection are difficult to meet are solved.

The invention provides a planting and breeding circulation system-oriented soil health assessment method, and relates to the technical field of soil health, and the method comprises the steps: collecting breeding data and planting data in a target planting and breeding circulation region, dividing a planting and breeding circulation mode, and analyzing the influence degree on soil to obtain circulation soil data. Waste supply energy is determined according to the breeding data, and the soil resource utilization efficiency is obtained by analyzing management measures of the planting data. The influence of waste supply energy on soil is analyzed to obtain waste influence data, and a soil health assessment system is constructed in combination with soil resource utilization efficiency, soil physical indexes and ecological function indexes. And calculating a soil health index based on the soil health assessment system and the circulating soil data, and classifying health grades of the soil. According to the method, the accuracy, scientificity and practicability of soil health assessment are improved, and powerful support is provided for optimal management of a planting and breeding circulation system, precise regulation and control of soil quality and agricultural sustainable development.

The invention discloses a straw returning index design method, and belongs to the field of straw returning mode optimization. The problem that an existing method is poor in straw returning index optimization effect is solved. Through drift diameter analysis, the response of a soil ecosystem in the field returning decomposition process can be analyzed from four aspects of soil basic nutrients, a soil organic carbon library, a soil enzyme activity system and a soil microbial community; and by means of factor analysis modeling thinking, a soil ecology comprehensive response index is constructed, so that the influence of the straw length, the straw returning amount and the straw burial depth on a soil ecosystem is explored, the optimal returning index for promoting straw decomposition and improving the soil ecosystem is found, and the effect of optimizing the straw returning index is improved. According to the method, the straw length, the straw returning amount and the straw burial depth are optimized, and important support is provided for agricultural sustainable development. The method can be applied to straw returning optimization.

The invention provides a control method for apple alternaria leaf spot, and belongs to the technical field of crop disease control. The prevention and treatment method comprises the following steps: spraying a foliar biological pesticide fertilizer to apple trees; the foliar biological medical fertilizer comprises a bacillus fermentation product and a trichoderma fermentation product, the bacillus is at least one of bacillus amyloliquefaciens TS-1203, bacillus subtilis B1 and bacillus subtilis BS-1208, and the bacillus is at least one of bacillus amyloliquefaciens TS-1203, bacillus subtilis B1 and bacillus subtilis BS-1208; the trichoderma is at least one of T6 and Ym. The combined action of bacillus and trichoderma is utilized, the morbidity of apple alternaria leaf spot can be effectively reduced, the growth of apple trees can be promoted, the photosynthetic capacity is improved, the combination of disease prevention and yield increase is realized, and the method is environment-friendly and suitable for green agricultural development.

The invention provides a hydrogen water irrigation coupled carbon dioxide gas fertilizer application system and method, in the system and method, formic acid is used as a raw material to decompose and prepare hydrogen and carbon dioxide, and the decomposed hydrogen and irrigation water are mixed through an aeration head to form hydrogen water for farmland irrigation; the decomposed carbon dioxide is compressed into high-pressure carbon dioxide to be stored in a gas steel cylinder, and the high-pressure carbon dioxide is interlocked with a carbon dioxide gas detector in the greenhouse, so that the concentration of the carbon dioxide in the greenhouse can be supplemented and adjusted in real time, the coupling application of hydrogen water irrigation and carbon dioxide gas fertilizer is realized, and the growth of crops is promoted. The system and the method can reduce the use of chemical fertilizers, reduce environmental pollution and improve the soil structure, and conform to the green agriculture development concept.

The invention relates to a high-carbon biological organic conditioner and application thereof in red soil peanut planting, the high-carbon biological organic conditioner comprises mineral powder, oyster shell powder, zeolite powder, potassium fulvic acid, decomposed cow dung, alanine and glycine according to a mass part ratio of 800: 200: 10: 50: 140: 0.7: 0.5, the content of organic matters in the high-carbon biological organic conditioner is not less than 45 wt.%, the content of humic acid is 20 wt.%, the content of potassium fulvic acid is 20 wt.%, and the content of potassium fulvic acid is 20 wt.%. And bacillus subtilis is contained. By applying the high-carbon biological organic conditioner, the soil quality of the red soil peanut planting area is rapidly improved, the peanut yield is remarkably increased, and an effective technical solution is provided for agricultural sustainable development of the red soil area.

The invention belongs to the technical field of microorganisms, and particularly relates to Nelsenia nielsenensis with a plant rhizosphere growth promoting effect and application of the Nelsenia nielsenensis. The bacterial strain is Niallia nealsonii BN5, and the preservation number of the bacterial strain is CGMCC (China General Microbiological Culture Collection Center) No.31380. The Nissenia nielsonii BN5 provided by the invention has a relatively large growth temperature range, is easy to adapt to various soil environments, and has the characteristics of dissolving phosphorus, producing IAA (Indoleacetic Acid) and the like; the invention provides a novel method for promoting plant growth in crop production, which is helpful for improving crop yield and quality and promoting sustainable agricultural development at the same time. The technology is not only limited to cucumbers, but also can be applied to planting of other crops, and important technical progress and economic benefits are brought to modern agricultural production. The method has a wide application prospect and is suitable for sustainable development and production optimization of modern greenhouse agriculture.

The invention discloses an agricultural drought monitoring method based on multi-source remote sensing data, and relates to the technical field of agricultural drought monitoring. The invention comprises land status monitoring, crop analysis in normal areas, land monitoring in cracked areas, crop selection in cracked land, early warning prompts and a display center. By analyzing the land assessment coefficients corresponding to each sub-area of ​​a target farmland, a more accurately judged land status corresponding to each sub-area of ​​the target farmland is obtained, and then each normal sub-area of ​​the target farmland and each cracked sub-area of ​​the target farmland are obtained more quickly, so that corresponding crop selection and planting are performed, and thus the agricultural economic development and usability are better guaranteed, and the shortcomings in the current technology are solved. In addition, the multi-source remote sensing data technology effectively improves the agricultural drought monitoring efficiency and monitoring accuracy, and realizes the multi-dimensional monitoring guarantee of agricultural drought, so as to timely prevent and improve agricultural drought and improve the benefits of agricultural development.

The invention discloses a plant cell activating factor as well as a preparation method and application thereof. The plant cell activating factor contains active ingredients such as resveratrol, quercetin, chlorogenic acid and the like. The active ingredients of the plant cell activating factor are obtained from natural plants, so that the plant cell activating factor has no pollution to the environment, is safe and harmless to human bodies and animals, and meets the requirements of green agricultural development. Experiments prove that the plant cell activating factor disclosed by the invention can effectively regulate the physiological activity of plant cells, activate the growth potential of plants, promote the development of plant root systems, thick and strong stalks and dark green leaves, and remarkably improve the growth speed and biomass accumulation of the plants, thereby increasing the yield of crops.

The invention relates to a methane emission reduction effect technology of biochar in rice-free and rice-containing waterlogged soil. The specific preparation steps of the biochar are as follows: (1) harvesting corn straws; (2) firing the corn straws in the step (1) at 500 DEG C to obtain biochar; and (3) grinding and sieving the biochar in the step (2) to obtain 80-100-mesh corn straw biochar. Before the rice seeds are sown, after the corn straw biochar in different proportions in the step (3) is applied to the land, ploughing and uniform mixing are conducted, and after the rice seeds are sown, the rice seeds grow naturally to determine the optimal carbon sequestration proportion of the biochar. Results show that the rice-free group and the rice group to which 2% of the biochar is applied can well fix the carbon carried by the biochar in the soil, and the accumulated methane emission in the flooded soil can also be remarkably reduced. Scientific basis is provided for straw resource utilization, and the method has very important significance on green and sustainable agricultural development applying the biochar.

The invention provides a territorial space planning index dynamic evaluation system, which comprises the following steps of: determining index data for dynamic evaluation in territorial space planning, and acquiring and preprocessing the index data; analyzing and evaluating the change trend of the index data by using a time sequence analysis method; and setting a visual information display module, setting an early warning threshold value, synchronously completing real-time display of current situation information, analysis and evaluation information and early warning information of the index data, and completing dynamic evaluation operation. The method comprises the following steps: firstly, determining index data of dynamic evaluation in territorial space planning, the index data comprising an ecological protection direction, an agricultural development direction, an urban and rural development direction and an infrastructure direction; static-to-dynamic adjustment of evaluation of territorial space planning is realized, integration, analysis and evaluation of index data are facilitated, full-cycle dynamic monitoring of territorial space planning indexes can be completed, and territorial space planning operation can be completed efficiently.

The invention provides a method for measuring and calculating a collaborative safety index of a water-grain-ecological composite system in an arid region, and relates to the technical field of collaborative management of green agricultural resources in the arid region. The method aims at solving the technical problem that in the prior art, a system for evaluating the water-grain-ecology multi-element co-evolution relation with an arid region as a research object is lacked. The method comprises the following steps: constructing a state parameter index system of water resource, grain and ecological safety in the arid region, and measuring and calculating through an improved G1-CRITIC subjective and objective weighting method to obtain a subsystem safety index reflecting a state parameter of a composite system; and inputting the subsystem safety index into a pre-established Hakkine model, analyzing the co-evolution process of the water-grain-ecological composite system, and measuring and calculating to obtain a water-grain-ecological collaborative safety index reflecting the collaborative safety state of the water-grain-ecological composite system. According to the method, from the perspective of the compound system, the dynamic relationship among water-grain-ecology is revealed under the background of agricultural green development in the arid region, and the technical blank in the aspect of research on the evolution mechanism of the compound system in the arid region is effectively filled. According to the method, the water competition of the arid region can be relieved, the soil salinization and underground water mineralization process can be slowed down, a high-level cooperation mechanism of mutual promotion and dynamic adjustment among water, grain and ecology is formed, so that the green and sustainable development of agriculture in the arid region is promoted, and the method has important theoretical value and practical application prospects.

The invention relates to the technical field of agricultural planting, and discloses a selenium-rich high-calcium Chinese yam planting process which comprises the following steps: soil improvement: deeply ploughing planting soil, and applying an organic fertilizer, a selenium fertilizer and a calcium fertilizer to adjust the soil structure; chinese yam cultivation, wherein Chinese yam is planted in the improved soil, and accurate field planting is conducted according to preset plant spacing and row spacing; precise fertilization: performing selenium-rich and high-calcium precise fertilization on the Chinese yam in stages, and adjusting the selenium content and the calcium content according to crop growth requirements during fertilization; pest and disease damage is prevented and controlled through biopesticide, natural enemy insects and a physical capture technology. Through precise fertilization, intelligent management, green prevention and control and soil optimization, the content of selenium and calcium in the Chinese yam is remarkably increased, and the crop quality is improved; meanwhile, by means of the intelligent water and fertilizer irrigation and resource circulation technology, water and fertilizer waste and environmental pollution are reduced, the production cost is reduced, sustainable agricultural development is promoted, and agricultural benefits are improved.

The invention relates to a zero-carbon intelligent agricultural development and utilization system and method based on gradient utilization of energy. The system comprises a geothermal well selection and arrangement module, a geothermal water collection and pretreatment module, a heat exchange module, a gradient utilization system construction module, a hot water circulation and reuse module, a working condition flexible adjustment module, an intelligent regulation and control module, a hot spring utilization and recharge system and a system energy storage module. The problems of energy waste, high carbon emission and insufficient agricultural suitability in the traditional technology are solved, and low carbonization and high efficiency of agricultural production are realized.

The invention discloses a rice cultivation method capable of effectively preventing low-temperature cold damage, and relates to the technical field of agricultural planting. The method aims at solving the problems that the low-temperature-resistant potential of seeds cannot be brought into full play, plough layer conditioning measures are not meticulous enough, and personalized schemes for different soil types and low-temperature environments cannot be achieved. Through technical measures of rice germplasm treatment, cultivation soil treatment, field management and the like, the cold resistance of the rice is effectively improved, the rice can still keep a good growth condition in low-temperature cold damage weather, meanwhile, the soil quality is improved, a foundation is laid for sustainable agricultural development, and the method is worthy of popularization and application. Through low-temperature climate data analysis, early warning system establishment and emergency response mechanism matching, the stability and risk resistance of agricultural production are improved, innovation and development of a rice planting technology are promoted, the rice quality is improved, the requirement of the market for high-quality rice is met, and higher economic benefits are brought to farmers.

The invention discloses a temperature difference thermal driving superficial water circulation saline-alkali land salt reducing method, which comprises the following steps: firstly, preparing the land, turning over and leveling the target land, discarding non-agricultural soil substances in the soil, then ridging and furrowing until the ridge height is 10cm, adjusting the moisture content, and then covering the ridge surface with a transparent plastic film to form a coverage area of the ridge surface and exposed furrows to make A / Bgt; (E-D) / D, A is the width of the coverage area, B is the width of the furrows, D is the precipitation amount, and E is the evaporation amount. According to the technical scheme, discharged high-salinity water is not generated, and pollution to surrounding water and soil is avoided; no extra chemical substance is added, the soil ecological system is prevented from being polluted and damaged, the soil ecological environment is practically protected, and the sustainable agricultural development concept is met. And the implementation process is relatively simple, a large amount of capital investment is not needed, the cost is low, and good popularization and application prospects are achieved.

The invention relates to a large-scale high-yield and high-efficiency cultivation mode of pumpkins in saline-alkali soil, which adopts a composite modifier to improve the saline-alkali soil, and the composite modifier contains an organic fertilizer, a soil conditioner and a saline-alkali tolerant microbial strain in a specific proportion, so that the soil structure and fertility are effectively improved; a pumpkin variety with a salt-tolerant gene marker is selected, and the salt tolerance and the survival rate of seedlings are remarkably improved by combining a biochar seedling raising technology; through an intelligent drip irrigation system and a precise fertilization technology, the irrigation and fertilization amount is dynamically adjusted according to the growth stage of pumpkins and soil fertility, and the resource utilization efficiency is improved; a disease and pest control method combining physical and biological control is adopted, meanwhile, an S-shaped vine pressing method is combined to promote plant growth, and product quality tracing is achieved through a block chain technology. The problem of pumpkin planting in the saline-alkali soil is effectively solved, the yield and quality of pumpkins are remarkably improved, remarkable economic benefits and ecological benefits are achieved, and a new thought and method are provided for agricultural development of the saline-alkali soil.

The invention relates to the technical field of agricultural harvesting machinery, in particular to a continuous Chinese yam harvesting device which comprises a trolley body, a soil loosening unit is arranged on the front side of the trolley body, and the soil loosening unit is used for loosening soil; the harvesting unit is used for harvesting the Chinese yams in the loosened soil; the conveying unit is used for conveying the harvested Chinese yams; the cleaning unit comprises an energy collecting mechanism, a rolling cleaning mechanism and a spraying cleaning mechanism; through coordinated operation of the soil loosening unit, the harvesting unit and the conveying unit, energy recycling between the energy collecting mechanism and the spraying cleaning mechanism and double-layer cleaning of the rolling cleaning mechanism and the spraying cleaning mechanism, the production efficiency and the crop quality are improved, and the green agriculture development trend is met.

The invention relates to a paddy field weed detection method and system, and relates to the technical field of agricultural intellectualization, and the method comprises the steps: obtaining image data of rice seedlings, weeds and paddy field backgrounds under different spectrums; annotating the image data, and preprocessing the annotated image to obtain preprocessed data; constructing a cascaded encoder-decoder network, and performing seedling detection on the preprocessed data image to obtain a detection result; according to a detection result, extracting a paddy field boundary to obtain a field ridge boundary line; performing semantic segmentation on the paddy field image according to the field ridge boundary line to obtain segmentation masks of seedlings and weeds; and identifying the distribution condition and the type of the weeds by analyzing the segmentation masks so as to obtain the initial distribution condition of the weeds. The intelligent level of paddy field weed management can be improved, the labor cost is reduced, the rice production efficiency is improved, meanwhile, environmental protection is facilitated, and agricultural sustainable development is promoted.