562results about How to "Guaranteed normal growth" patented technology

The invention relates to the technical field of soil health analysis, in particular to a tobacco planting soil health analysis and fertilization prediction system. Comprising a server, a health analysis module and a prediction management module, soil state parameters are obtained through soil microorganism activity action state analysis, soil nutrient state analysis and soil moisture state analysis of tobacco planting soil, then the soil change degree is analyzed, a prediction updating instruction is generated, and comprehensive detection, analysis and evaluation of the soil are achieved. By comprehensively analyzing the state parameters of the soil, the demand change of the soil, including the opportunity and quantification of fertilization, pesticide application and irrigation, can be accurately predicted, so that the growth efficiency and yield of crops can be improved; meanwhile, through the generated prediction notice, a farmer or a manager can be guided to take corresponding measures in time, it is guaranteed that soil and crops grow in the optimal state, and malnutrition, pest and disease damage and other problems are avoided.

The invention provides a southern red soil dry land deacidification soil conditioner and a preparation method thereof, and belongs to the technical field of soil conditioners. The preparation method comprises the following steps: embedding bacillus subtilis, bacillus licheniformis and bacillus amyloliquefaciens to prepare bacterial microspheres, adding the bacterial microspheres into gel formed by carboxymethyl chitosan and silk fibroin peptide to prepare sustained-release bacterial microsphere gel, uniformly mixing the sustained-release bacterial microsphere gel with porous silicon dioxide loaded with basalt and charcoal, and drying to prepare the acid-reducing soil conditioner for the southern red soil dry land. The acid-reducing soil conditioner for the southern red soil dry land not only improves the pH value of the soil, but also can loosen the soil and improve the air permeability of the soil to a certain extent, and promotes the absorption of crops to moisture and nutrient elements by improving the physical and chemical properties of the soil, so that the normal growth of the crops is ensured, and the acid-reducing soil conditioner has a wide application prospect.

The invention discloses a blue-green algae growth prediction method and an intelligent regulation and control device, and relates to the field of blue-green algae growth prediction and regulation and control, and the method comprises the steps: carrying out the collection of blue-green algae growth related data, data preprocessing, random forest model construction, SVM model construction, and model weight fusion of a final random forest prediction model and a final SVM prediction model to obtain a fusion model. And dynamically optimizing the fusion model, finally obtaining the dynamically optimized fusion model, obtaining a real-time prediction result according to the dynamically optimized fusion model by using the blue-green algae growth related data collected by the sensor module in real time, and adjusting the blue-green algae growth culture conditions in real time. According to the method, the advantages of the random forest model and the SVM model are combined, a fusion model with dynamic optimization and real-time adjustment functions is developed, and the accuracy and adaptability of blue-green algae growth prediction are remarkably improved. And meanwhile, data acquisition, processing and prediction modules are integrated, so that the accuracy of blue-green algae growth prediction and the automation degree of the system are remarkably improved.

The invention relates to a vegetable cultivation environment optimization system and method based on big data analysis, and belongs to the field of agricultural intelligent management. Comprising the following steps: acquiring environmental data such as climate, soil and water quality in real time, and preprocessing the environmental data; the preprocessed data are stored in a classified mode, and efficient management is achieved through multi-node synchronization and data indexing; modeling and training the historical data and the real-time data by using a multiple regression model, a high-order partial differential equation and a deep learning algorithm to generate a prediction model of the environment and the crop growth; and an optimization decision is generated based on the model and is executed and adjusted in real time through an automatic control system. According to the invention, the yield and quality of vegetables are effectively improved, and the loss caused by environmental fluctuation is reduced.

The invention belongs to the field of farmland irrigation, and particularly relates to a high-standard farmland water conservancy irrigation system which comprises a water supply pipe, the outer side of the water supply pipe fixedly communicates with a connecting pipe, a water spraying pipe is movably arranged on the inner side of the connecting pipe, the outer side of the water spraying pipe is attached to the inner wall of the connecting pipe, and turbine blades are fixedly arranged at the lower end of the inner side of the water spraying pipe. A plurality of annular openings distributed in a linear array mode are formed in the outer side of the water spraying pipe, a plurality of spray heads distributed in a circumferential array mode are arranged in the annular openings, the spray heads communicate with the water spraying pipe, and a connecting ring is arranged in the water supply pipe. In the farmland irrigation process, the farmland and crops can be conveniently irrigated by adjusting the use position of the spray head, meanwhile, the spraying range of the farmland can be flexibly adjusted according to the growth condition of the crops, nutrient agents can be sprayed to the crops in the irrigation process, and the irrigation efficiency is improved. The farmland irrigation effect is ensured, and meanwhile, the growth requirements of crops are met.

The invention relates to the technical field of electrode materials, in particular to a negative active material and a preparation method thereof, a negative pole piece, a secondary battery or capacitor and an electric energy storage system. The negative electrode active material provided by the invention comprises supported molybdenum disulfide and a carbon nanotube, the supported molybdenum disulfide comprises a reduced graphene oxide carrier and modified molybdenum disulfide loaded on the reduced graphene oxide carrier, the modified molybdenum disulfide comprises molybdenum disulfide and nitrogen-doped carbon, the molybdenum disulfide has a layered structure, and the nitrogen-doped carbon is inserted between layers of the molybdenum disulfide; wherein carbon nanotubes are filled between lamellas of at least part of the supported molybdenum disulfide; the reduced graphene oxide carrier and the carbon nanotubes are provided with etched holes. The negative electrode active material provided by the invention can effectively relieve the problems of volume change and structural collapse of the electrode material in the charge-discharge process, and improve the structural stability and conductivity, so that the capacity and cycle performance of the secondary battery can be effectively improved.

The invention discloses an automatic irrigation control system and method for a tea garden based on photovoltaic power generation, and particularly relates to the technical field of agricultural irrigation, photovoltaic power generation capacity, tea tree growth irrigation cycle and meteorological condition information are collected in real time through multiple types of sensors, and formatting processing is carried out to ensure data availability; information lag degree analysis is carried out based on the processed data, and feedback lag early signs in photovoltaic power generation and tea garden irrigation cooperative control are identified; according to the lag signs, extracting power supply fluctuation, tea tree irrigation demand urgency and climate environment change characteristics, and generating corresponding fluctuation indexes, demand indexes and change indexes; dividing a feedback sampling period into a high-quality period or a low-quality period by using fuzzy logic, and dynamically adjusting the sampling frequency based on the current sampling frequency in the low-quality period; the feedback sampling frequency can be dynamically adjusted, and the stability and the response speed in the cooperative control process of photovoltaic power generation and tea garden automatic irrigation are effectively improved.

The invention relates to the technical field of ratooning rice planting, and particularly discloses a ratooning rice high-yield harvester and a planting method thereof.The method comprises the steps that the two ends of a rice field are filled with soil to form bed surface heightening areas; rice seedling planting is conducted through the modified wide-narrow row rice transplanter, and rice seedlings are transplanted in the mode that seven rows are planted at the same time; drying the field before the first season rice is harvested until the soil water content of the middle bed surface of the rice field is reduced to 40-45% and the soil water content of the bed surface heightening area is reduced to 25-30%, and then starting machine harvesting; a ratooning rice high-yield harvester is adopted for machine harvesting, the telescopic crawler belt keeps the maximum grounding length during straight running, and the telescopic crawler belt retracts to the minimum grounding length when the machine turns around in a bed surface heightening area; according to the planting method, on the premise that excessive field drying and machine tool sinking are avoided, the rolling area of the crawler belt on rice stubbles in the machine tool turning-around process is minimum, and the yield of ratooning rice is increased.

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 a tricholoma giganteum culture device and culture method, and relates to the technical field of tricholoma giganteum culture. The tricholoma giganteum culture device comprises a culture device body and a circulating liquid supply box fixedly mounted on the top surface of the culture device body; a separating mechanism is arranged at the lower part in the incubator body; wherein cultivation mechanisms are arranged on the upper portion of the interior of the incubator body at equal intervals, each cultivation mechanism comprises a planting sliding disc, and the planting sliding discs on the upper side and the lower side are arranged on the upper side and the lower side of the interior of the incubator body in a sliding mode; wherein spraying mechanisms are arranged on the left side and the right side of the incubator body, and each spraying mechanism comprises a spraying lifting plate. According to the tricholoma giganteum culture device and culture method, tricholoma giganteum is borne through a planting sliding disc and a planting frame, a spraying lifting plate drives a spraying supply nozzle to conduct spraying in an up-down and rotating mode, meanwhile, redundant nutrient solution can be drained off, and the tricholoma giganteum culture efficiency is improved. The nutrient solution and the culture base material are separated and recycled through the separation mechanism.

The utility model discloses a side slope protection structure, and relates to the technical field of side slopes. The slope comprises a slope body, a concrete slope layer is arranged on the outer surface of the slope body, a groove is formed in the top of the concrete slope layer, a water storage tank is formed in the concrete slope layer, the groove and the water storage tank communicate with a flow channel, and a plurality of planting grooves are formed in the slope surface of the concrete slope layer in an array mode; the planting groove is filled with a soil layer for planting vegetation; the water storage tank is formed in the concrete slope layer, the water storage tank is communicated with the groove through the flow channel, accumulated water on the road surface can be collected and stored, the sponge rod is connected between the water storage tank and the planting groove, water in the water storage tank is automatically supplied to the soil layer through the water absorption of the sponge rod, normal growth of green vegetation is ensured, and the service life of the planting groove is prolonged. And meanwhile, the stored water source is used for automatically supplying water, the irrigation interval is prolonged, the irrigation frequency is reduced, and therefore the practicability is improved.

The cultivation frame for tomato planting comprises a cultivation frame body and a water storage tank with an upward opening, and the water storage tank is installed at the inner bottom end of the cultivation frame body; a supporting net plate fixed in the cultivation frame body is arranged above the water storage tank, a plurality of planting pots are placed at the upper end of the supporting net plate, rectangular pipes fixed to the upper end of the supporting net plate are arranged on one sides of the planting pots, the peripheries of the rectangular pipes are sleeved with rectangular mesh sleeves, and concave plates are fixed to the right sides of the rectangular mesh sleeves; adjusting plates are arranged at the front and rear ends of the inner side of the concave plate; the tomato plants do not need to be manually and repeatedly straightened and fixed to the cultivation frame, planting troubles of planters are reduced, the situation that the planters forget to straighten and fix the tomato plants is avoided, the tomato plants can be automatically straightened by the cultivation frame, lodging of the tomato plants is effectively prevented, and therefore normal growth of the tomato plants is guaranteed.

The invention discloses a garden landscape simulation method based on a virtual reality technology and three-dimensional visualization, and the method comprises the steps: obtaining the three-dimensional point cloud data of a garden terrain, and generating a three-dimensional grid model; calculating a gradient value of each block grid of the three-dimensional grid model, generating a gradient matrix of the three-dimensional grid model, and clustering the block grids belonging to the same gradient value interval into similar sub-blocks; sorting from small to large based on the terrain slope intervals corresponding to the subblocks of the same type, selecting adaptive plant species according to the illumination conditions of the sorted terrains, and predicting the photosynthetic rate values of the plant species based on a photosynthetic rate prediction model; calculating the number of plants planted in the terrain according to the area of the terrain corresponding to each sub-block and the photosynthetic rate value of the plants in the terrain; and carrying out simulation planting on the three-dimensional grid model, and carrying out garden landscape virtual reality display on the three-dimensional grid model based on a virtual reality technology. According to the method, targeted design can be carried out on different slope areas of the garden landscape.

The invention relates to the technical field of intelligent agriculture, in particular to an irrigation area measurement and control integrated gate intelligent scheduling system and method, and the system comprises a data collection module, a gate control module, a data processing and analysis module, an intelligent scheduling module and a monitoring and early warning module. By integrating a water level sensor, a flow meter, a weather station data interface, a soil humidity sensor and an agricultural satellite data interface, various agricultural data and hydrological data in an irrigation area are collected in real time, and the crop growth condition, the water demand, the rainfall capacity, the evaporation capacity and the like are analyzed by utilizing historical data and models; therefore, an accurate irrigation scheduling strategy is formulated and executed in the intelligent scheduling module, water supply needed by crop growth is ensured, meanwhile, the system monitors agricultural data and hydrological data in an irrigation area in real time through the monitoring and early warning module, a reasonable threshold range is set, early warning can be triggered in time once an abnormal condition occurs, and the system is safe and reliable. And a reliable decision basis is provided for irrigation area management.

The invention discloses an automatic detection device for edible fungus hyphae, relates to the field of edible fungus detection, and solves the problem that an existing automatic detection device for the hyphae easily causes normal lifting of a shell, the automatic detection device comprises a box body and a bottom box, and three culture seats which are distributed at equal intervals and located on the inner side of the box body are fixedly installed at the top of the bottom box; three temperature control fans distributed at equal intervals are fixedly mounted at the top of the box body, two sliding doors distributed symmetrically are rotatably mounted on the front surface of the box body, a controller is fixedly mounted on the back surface of the box body, and a temperature and humidity detector located on the inner side of the box body is fixedly mounted on the inner side of the controller; the adjusting mechanism is used for adaptively adjusting the space in the culture base according to the growth of a hypha sample, and the adjusting mechanism is mounted in the bottom box; through the adjusting mechanism, the influence of water vapor on the driving source is solved, and normal operation of the driving source is ensured, so that the effect of improving the monitoring safety of the hypha sample is achieved.

The invention is suitable for the technical field of agricultural irrigation, and provides an intelligent calculation method and system for agricultural irrigation water. The method comprises the following steps: dividing a plurality of crop irrigation sub-regions; periodic monitoring shooting is carried out; meteorological monitoring is carried out, and standard crop evapotranspiration is calculated; determining a plurality of crop growth stages and a plurality of crop growth states; carrying out evapotranspiration optimization, and calculating a plurality of optimized crop evapotranspiration amounts and irrigation water consumption of a plurality of sub-regions. According to different crop types, a plurality of crop irrigation sub-regions can be divided, monitoring shooting and meteorological monitoring can be performed, standard crop evapotranspiration can be calculated, evapotranspiration optimization can be performed on different crop irrigation sub-regions, irrigation water consumption of the sub-regions can be calculated, high-precision calculation of agricultural irrigation water can be realized, insufficient irrigation can be avoided, and the irrigation efficiency can be improved. Excessive irrigation can be avoided, so that appropriate moisture support is provided for crop growth, normal growth and development of crops are guaranteed, and the requirement of modern agriculture for efficient utilization of water resources can be met.

The invention belongs to the technical field of saline-alkali land treatment, and particularly relates to an agriculture and light complementary multipurpose comprehensive treatment irrigation and drainage system for saline-alkali land, comprising: a planting area for planting crops or pasture; the saline-alkali soil vertical shaft drainage system is arranged in a planting area and used for discharging excessive underground water, collecting saline water, maintaining a low underground water level to restrain salt return and guaranteeing normal growth of crops. The photovoltaic power generation panel assembly is arranged above the planting area and used for reducing evaporation heat dissipation of crops or forage grass, inhibiting salt accumulation and providing electric energy; the raw water tank is used for collecting saline water; the water purification system is used for purifying and desalting saline water; the salt manufacturing system is used for preparing chemical raw materials by using concentrated water; the produced water reservoir is used for storing purified water; the irrigation system is communicated with one water outlet end of the produced water reservoir and is used for irrigating crops or pasture and the like; and the electrolytic storage system is communicated with the other water outlet end of the produced water reservoir and is used for electrolyzing the purified water to generate hydrogen and oxygen and storing the hydrogen and the oxygen.

The invention provides a water quality purification device and method suitable for urban garden landscape irrigation, the water quality purification device comprises an ion exchange system, the ion exchange system comprises an ion exchange tank, and irrigation water to be purified stays in the ion exchange tank according to a set staying time; the strong-acid polymeric filler is arranged in the ion exchange tank, and a strong-acid reaction group of the strong-acid polymeric filler can be subjected to ion exchange reaction with salt ions in the irrigation water, so that the removal rate of the salt ions in the irrigation water is changed along with the set retention time; the removal rate of salt ions in the irrigation water can be manually controlled, so that the salt content in the irrigation water can provide trace essential nutrient elements for plants, and the growth of the plants is promoted to a certain extent, so that the purposes of maintaining the soil health and the normal growth of the plants are achieved.

The invention relates to the technical field of wheat single-grain sowing equipment, and discloses high-precision single-grain sowing equipment for wheat breeding, which comprises a storage mechanism fixedly connected to the upper surface of the rear side of a mounting platform, a screening mechanism fixedly connected to the interior of the storage mechanism, and an auxiliary conveying mechanism, the auxiliary conveying mechanisms are arranged on the left side and the right side of the storage mechanism, the seeding mechanical arm mechanism is fixedly connected to the upper surface of the front side of the mounting platform, and the seeding mechanism is fixedly connected to the tail end of the front side of the seeding mechanical arm mechanism; the auxiliary positioning mechanism is fixedly connected to the upper surface of the front side of the mounting platform and the rear side of the seeding mechanism. The screening mechanism is arranged, strict screening is conducted through the seed inspection device in the screening mechanism before seed sowing, unqualified seeds are prevented from entering the sowing process, the probability of breeding failure is effectively reduced, and the utilization rate of seed resources is increased.

The invention belongs to the technical field of biological agriculture, and particularly relates to a method for promoting growth of natural calculus bovis by using a novel small molecule peptide combination, which comprises the following steps: selecting a plurality of small molecule peptides with specific functions, and mixing the small molecule peptides according to a specific proportion to form a small molecule peptide combination with a synergistic effect. The growth of the natural calculus bovis can be effectively promoted, and the yield and the quality of the natural calculus bovis are improved. Meanwhile, the method disclosed by the invention has relatively high safety and has a wide prospect in practical application. Animal experiment data further verifies the effectiveness and safety of the method.

The invention relates to a carbon nanotube in-situ modified glass fiber and a preparation method and application thereof.The preparation method of the carbon nanotube in-situ modified glass fiber comprises the following steps that S1, a catalyst layer is arranged on the surface of the glass fiber, and the glass fiber with the catalyst layer arranged on the surface is obtained; the arrangement of the catalyst layer comprises precursor solution dipping, drying and reduction; the precursor solution is a mixed solution of a metal complex solution and a metal nitrate solution; the concentration of the metal complexing solution is 0.05 mol / L to 0.5 mol / L; and S2, carrying out in-situ growth of a carbon nanotube on the glass fiber with the catalyst layer on the surface to obtain the carbon nanotube in-situ modified glass fiber. The prepared glass fiber has the advantages of high content and high uniformity of the carbon nanotubes on the surface, the content of the carbon nanotubes is controllable in a range of 0.1-60wt%, the bonding strength of the carbon nanotubes and the glass fiber is strong, the preparation method is simple, and the method is suitable for batch production under a continuous process.

The utility model discloses an agriculture and light complementation photovoltaic device with sunlight incident angle adjustment, the agriculture and light complementation photovoltaic device with sunlight incident angle adjustment comprises a support frame, a photovoltaic panel, a planting area and a refractor, the photovoltaic panel is arranged on the support frame, the photovoltaic panel is provided with a first end and a second end in the length direction, and the first end and the second end are arranged in the planting area. The length direction and the horizontal direction of the photovoltaic panel intersect to form an included angle, the planting area is located below the photovoltaic panel and located in the supporting frame, the planting area is suitable for planting fruit trees, the refractor is arranged on the supporting frame and arranged on one side of the second end of the photovoltaic panel, and the refractor is used for refracting sunlight to the planting area. The agriculture and light complementation photovoltaic device with the sunlight incidence angle adjustment function can refract and scatter sunlight, meets the photosynthetic requirements of crops, truly completes photovoltaic power generation, can consider photosynthesis necessary for growth of the crops, and is high in practicability, convenient to use and wide in application range, and the agricultural and light complementation photovoltaic device with the sunlight incidence angle adjustment function can meet the requirements of the crops for the photosynthesis. Healthy growth of crops is promoted, and a win-win situation of agriculture and photovoltaic industry is realized.

The invention discloses a selenium-rich foliar fertilizer and a preparation method thereof. The selenium-rich foliar fertilizer comprises the following raw materials in parts by weight: 0.01-0.1 part of a selenium compound, 1-5 parts of a carrier and an auxiliary agent, 0.05-0.3 part of a trace element additive, 10-20 parts of an organic material, 0.1-1 part of a seaweed extract, 0.1-2 parts of a microbial preparation, 0.01-0.1 part of a plant growth regulator, 1-2 parts of silicate and 1-2 parts of montmorillonite. The selenium-rich foliar fertilizer has the advantages of antibiosis and insect pest prevention, and solves the problems that in the preparation process of existing selenium-rich foliar fertilizers, natural materials are inconvenient to use for antibiosis and insect pest resistance, chemical pesticides possibly need to be additionally used for controlling insect pests, the production cost is increased, and chemical pesticide residues are possibly caused; the food safety and the environmental health are influenced.

The invention discloses a process for repairing damaged soil ecology by lincomycin waste liquid fertilizer, and relates to the technical field of soil remediation, which comprises the following specific steps: step 1, screening and culturing microbial decomposition flora, the invention has the following advantages: through the chelation of the polyaspartic acid derivative on metal ions and the promotion effect on nutrient absorption, the release and transmission of nutrients are precisely regulated and controlled, so that crops can absorb and utilize the nutrients more efficiently; the nano composite material and the specific biological stimulant containing various beneficial microbial strains and natural plant extracts are jointly fused into the liquid fertilizer, the microbial strains in the specific biological stimulant activate the soil biological environment, the natural plant extracts assist plant growth to resist diseases, and the nano composite material and the natural plant extracts have a synergistic effect, so that the liquid fertilizer has a good application prospect. Physicochemical properties and biological activity of soil are optimized, excellent soil micro-ecology is created for plant growth, healthy and strong growth of plants is promoted, and restoration of damaged soil is enhanced.

The invention provides a new energy power generation prediction system and method, and relates to the field of power generation prediction. An environment monitoring and prediction system is connected with a power generation management and microalgae culture system; according to the environment monitoring and prediction system, an environment monitoring module is connected with a data preprocessing module, the data preprocessing module is connected with a prediction module, and the prediction module is used for modeling and analyzing collected data so as to predict the power generation efficiency of the ocean temperature difference and wave energy power generation device and the microalgae culture pond and periodically update a power generation prediction model. New and old data are fused through iterative training; the power generation management and microalgae culture system comprises a power generation management module, the power generation management module is connected with an ocean temperature difference and wave energy power generation device and a microalgae culture pond, and when it is predicted that the power generation efficiency of the power generation device is low, illumination and nutrition supply of the microalgae culture pond is dynamically adjusted to optimize the microalgae growth rate and biomass. And the efficiency of the power generation device is compensated through biofuel generated by the microalgae, so that the overall power generation efficiency is improved.

The present invention provides a method and system for preventing and controlling crop diseases and insect pests, including: sampling and photographing crops to obtain a plurality of frames of sampling images, obtaining disease and insect pest information corresponding to each crop through initial identification, analyzing the disease and insect pest level and disease and insect pest type corresponding to each crop according to basic characteristics of each crop in combination with the corresponding disease and insect pest information, establishing a prevention and control plan for each crop in combination with the corresponding disease and insect pest level and disease and insect pest type, collecting prevention and control effect information corresponding to each crop in different prevention and control cycles when implementing the prevention and control plan, improving and displaying the prevention and control plan based on the prevention and control effect information, generating a disease and insect pest control method according to the actual growth conditions and disease and insect pest conditions of the crops, controlling the spraying amount of pesticides while ensuring the growth of the crops, and effectively improving the yield and quality of the crops.

The utility model belongs to the field of garden irrigation, and particularly relates to plant timing irrigation equipment for garden landscape construction, which comprises a water spray pipe, a nozzle is arranged at the bottom end of the water spray pipe, and a water flow control component is arranged in the water spray pipe. The rotating rod is automatically driven to rotate through flowing of water flow, the water flow passes through the nozzle periodically, no extra electric control assembly is needed under the purpose of achieving regular periodic irrigation, and therefore cost is reduced; in the process that irrigation is not carried out, the baffle plate can block the nozzle, dust, sundries, insects and the like can be effectively prevented from entering the sprayer, and therefore the sprayer is prevented from being blocked or damaged, the normal service life of the sprayer is guaranteed, and water is prevented from permeating out of the water spraying pipe to cause waste of a water source; when water flow is sprayed out through the nozzles, the water flow can be lapped to the top of the connecting plate at the moment, the situation that the water flow is directly lapped to the ground to cause soil erosion is avoided, tender plants are protected from being damaged, and growth and health of the plants are guaranteed.

The utility model discloses a rhododendron lapponicum seedling cultivation device, and mainly relates to the technical field of seedling cultivation. Comprising a seedling raising plate detachably arranged on a first bottom plate, a plurality of seedling raising cups are arranged on the seedling raising plate, a water storage chamber is formed among the first bottom plate, a second bottom plate and a seedling raising box, and a plurality of filter plates used in cooperation with the water storage chamber are arranged on the seedling raising cups; a plurality of atomizing nozzles used in cooperation with the seedling raising cups and spraying pipes communicated with the atomizing nozzles are arranged on the seedling raising box, a cover plate is arranged at the top of the seedling raising box, a shading plate is rotationally connected to the cover plate, and a drainage pipe communicated with the water storage cavity is arranged at the bottom of the seedling raising box. The Rhododendron lapponicum seedling raising device has the advantages that the problems that artificial seedling raising seeds are prone to loss, and seedlings are uneven and grow in a piled mode are solved, and the effect of planting Rhododendron lapponicum seedlings in batches is improved.

The utility model relates to an ecological ditch for purifying farmland recession. The method is suitable for the technical field of ecological restoration. The technical problem to be solved by the application is to provide an ecological ditch for purifying farmland recession. According to the technical scheme adopted by the invention, the ecological ditch for purifying the farmland recession water is characterized by comprising an ecological ditch body, and a water inlet for introducing the farmland recession water is formed in the upstream of the ecological ditch body; the ecological permeable dam is arranged on the upstream of the ecological ditch body and can intercept suspended solids and particulate matters flowing through the farmland recession and provide adhesion and growth matrixes for microorganisms in the ecological ditch body; the water level adjusting structure is arranged in the ecological ditch body and can adjust the water level in the ecological ditch body, so that the ecological environment in the ecological ditch body is kept stable.

The invention discloses a herbicide composition for preventing and treating amaranthus retroflexus in alfalfa fields and application thereof, and belongs to the technical field of herbicides, the herbicide composition comprises a component A and a component B. The component A is imazethapyr / or 2, 4-sodium butyrate, and the component B is haloxyfop-R-methyl; the composition has good selectivity to alfalfa and can effectively prevent and control amaranthus retroflexus, the earlier the pesticide application period is, the better the control effect is, the damage to alfalfa plants is small, and normal growth of alfalfa is guaranteed. Due to the fact that the composition contains imazethapyr or 2, 4-sodium butyrate, and the ingredients have a certain residual period, the weeding effect can be continuously achieved in a long time, the pesticide application frequency is reduced, and the labor intensity and cost are reduced. The 2, 4-D sodium butyrate and the compound thereof have a better control effect on amaranthus retroflexus and are high in safety to medicago parasitica. The invention provides an effective and safe herbicide for controlling amaranthus retroflexus in alfalfa fields.