42 results about "Nutrient deficiency" patented technology

The invention relates to the technical field of infrared spectroscopic analysis, in particular to a spectroscopic analysis-based corn kernel nutrient abundance and deficiency state evaluation method, which comprises the following steps of: irradiating corn kernels by using near-infrared and mid-infrared light sources, collecting reflected spectral signals, and recording spectral signal data; and based on the spectral signal data, extracting key wavelength region data to obtain key spectral data. According to the invention, the near-infrared light source and the mid-infrared light source are combined, so that the capability of acquiring nutrient information of the corn kernels is enhanced, the reflection characteristic of spectral signals is utilized, the interference of environmental factors on data acquisition is reduced, and the stability of spectral data is improved. The screening of key wavelength regions reduces irrelevant information, so that the spectral data is more concentrated on the characteristic wave bands influencing the nutrient state. The spectral signals are processed through wavelet transform, the resolution ratio of the characteristic peak value is improved, the local change trend of the spectral signals is enhanced, and characteristic extraction is more accurate.

The invention provides a personalized precise nutrition recipe recommendation method and system based on a genetic algorithm, and the method comprises the steps: inputting various personal information, including gender, age, weight, height, and nutrition risk information (lack of nutrients, risk genes or risk SNP ID), all the personal information being dynamically linked together, and quantitative nutrient demands are generated for specific individuals according to the resident dietary nutrient reference intake and a pre-constructed nutrient-gene interaction database. A food nutrient composition database is pre-constructed on the system and comprises various foods from four different countries and nutritional ingredients of the foods. And then, according to individual quantitative nutrient requirements, selecting and combining food by writing a genetic algorithm, iteratively perfecting the combination of food types and food amounts, and finally outputting an accurate nutrition recipe meeting individual nutrition requirements.

The invention relates to the technical field of transplanting, digging, felling or pruning and field planting of trees, and discloses a seedling planting and afforestation method for overcoming field planting obstacles in drought and barren mountainous regions. And then the water storage substrate is filled in the semi-isolation chamber, so that water added into or infiltrated into the semi-isolation chamber is stored for growth of the nursery stocks instead of being lost in an evaporation or leakage form, and the nursery stocks are prevented from being stressed by water shortage. Meanwhile, the water storage substrate contains a large amount of long-acting organic matters, not only has the effects of loosening soil and storing water, but also can provide a carbon source for the added nitrogen-fixing bacteria, phosphate solubilizing bacteria and potassium bacteria for a long time, so that the microbial inoculum can provide nutrients for the seedlings for a longer time, and the seedlings are prevented from being stressed by nutrient deficiency. The above points are combined to solve the problems of field planting obstacles and low survival rate in afforestation in the drought and barren mountainous region, and the transplanting survival rate is obviously improved.

This disclosure relates generally to system and method to determine crop growth stage nutrient deficiencies. Diagnosing correct nutrient deficiencies in the plant is very challenging based on plant image analysis during the cropping season. The method of the present disclosure enables assessing nutrient deficiency using image processing techniques according to current crop growth stage. The method receives from an image capturing device a plurality of crop images of one or more crop fields. Further, trained single shot deep learning network determines a crop growth stage from a plurality of crop growth stages for each crop by extracting a plurality of morphological features. Then, the health state of the crop is determined based on a balanced plant nutrition index (BPNI) value. Further, a plurality of nutrient deficiencies corresponding to the current crop growth stage of the unhealthy crop. Further, a total nutrient deficiency score for deficient nutrients of the unhealthy crop.

The invention provides a banana nutrient deficiency detection method based on a multi-modal enhanced collaborative multi-scale module. The banana nutrient deficiency detection method comprises a data enhancement module which generates new data conforming to real pathological distribution based on a Stable Diffusion technology; the data processing module is used for extracting image multi-resolution features based on a multi-scale feature fusion network; the model optimization module is used for improving the element deficiency differentiation feature capturing capability based on a channel attention mechanism; the model training module dynamically focuses the difficult sample based on a mixed loss function of focus loss and cross entropy, and optimizes model training in a sample imbalance scene; the model application module is used for deploying a model to a WeChat applet based on model lightweight design to realize convenient detection of a mobile terminal; finally, the method is based on an MS-ConvNeXt model constructed by the modules, so that the accuracy of leaf element deficiency detection is greatly improved, and the convenience of field real-time detection is met.

The invention discloses a nutrient deficiency symptom diagnosis system based on RAG, and relates to the technical field of symptom diagnosis. The system comprises a question-answer pair extraction module which is used for collecting data related to the nutrition field, carrying out preprocessing based on the collected data, and carrying out question-answer pair extraction on the preprocessed data through a large model; the database construction module is used for independently extracting questions in the question and answer pairs, carrying out vectorization processing on the proposed questions, converting the questions into high-dimensional vectors and storing the high-dimensional vectors in a vector database; and a result generation module. According to the method, authoritative articles in the nutrition field are converted into question and answer pairs, so that an input and output mode of a large model can be better fit. When a user asks a question, the direct'question-answer 'structure directly retrieves a predefined'question' similar to the question, and directly returns a corresponding'answer 'after finding a matching item, so that a solution can be accurately found without carrying out complex integration and information extraction on document fragments.

The invention relates to the technical field of intelligent agriculture and artificial intelligence, and discloses an AI-based avocado nutrition diagnosis method and system.The AI-based avocado nutrition diagnosis method comprises the steps that multi-source sensor data and multispectral image data of an avocado planting area of a farm are collected, and data preprocessing is carried out; carrying out nutrient deficiency intelligent identification; a space-time prediction model is constructed, and the future change trend of the nutrition state is predicted; analyzing nutrition state change reasons, and formulating and implementing a regulation and control strategy and optimizing the regulation and control strategy; constructing a decision support module driven by the knowledge graph and providing interpretable intelligent suggestions; carrying out system integration and real-time optimization; according to the invention, through the four-dimensional space-time prediction model technology based on the Transform architecture, accurate prediction of the future change trend of the nutrition state is realized.

The invention discloses an exposed high and steep slope microtopography reconstruction method for improving vegetation colonization ability, which comprises the following steps: screening rocks with high weathering sensitivity, and establishing a weathering rate quantitative evaluation model; the weathering process of the rock with high weathering sensitivity is accelerated; constructing a micro-topographic space; based on the micro-topographic space, designing a three-stage compound matrix through the nutritional defects of the weathered product of the high-weathering-sensitivity rock, and carrying out layered fusion on the three-stage compound matrix and the micro-topographic structure; and carrying out vegetation planting and weathering-growth synergistic maintenance. According to the method, permeation of a weathering agent is guided through preset cracks, rock is converted into a nutrient matrix through an enhanced weathering technology, and the problem that traditional physical transformation depends on an external matrix and is prone to being deficient in the later period is solved; according to the method, the climate areas are graded, different treatment is conducted on the different climate areas according to the grading result, the water retention rate of the arid area is increased, the drainage efficiency of the wet area is improved, the overall structure is still stable when the gradient is larger than 60 degrees, and the gradient limitation of vegetation bags is broken through.

The invention relates to the technical field of garden soil trace element compensation, and discloses a soil trace element compensation device for a garden plant regional nutrient deficiency symptom.The soil trace element compensation device comprises an adjusting sleeve, a pointing shifting ring is fixedly connected to the outer portion of the adjusting sleeve, and an irrigation inner pipe and a liquid fertilizer outer sleeve are arranged in the adjusting sleeve; the top of the irrigation inner pipe is provided with an irrigation water connector, the top of the liquid fertilizer outer sleeve is provided with a liquid fertilizer connector, the middle of the liquid fertilizer outer sleeve is fixedly provided with a directional partition plate, the bottom of the directional partition plate is fixedly connected with a liquid fertilizer double-layer partition plate, and the bottom space of the directional partition plate is evenly divided by the liquid fertilizer double-layer partition plate. A circulation opening is formed in the directional partition plate close to the pointing side of the pointing shifting ring. The telescopic lateral extension pipe is arranged and matched with the pointing direction of the pointing shifting ring, the distance between the fertilization opening and the root system is specifically extended, an effective root area is anchored to be more attached to the root surface, and the absorption efficiency of liquid fertilizer is improved.

The utility model relates to the technical field of planting and cultivating equipment, especially to an adjustable cultivation container for under-forest planting of Sichuan red peony root, comprising: a container body; an adjusting assembly comprising a threaded cylinder body, a discharging disc, a threaded screw rod, a drainage disc, an adjusting handle, a chute and a threaded plug seat; and a nutrition assembly. The utility model has a reasonable structure, and the adjusting assembly can adjust the internal space of the container according to different growth stages of Sichuan red peony root, so as to avoid root crowding and nutrient deficiency, reduce damage caused by traditional transplanting, improve the survival rate, and adapt the adjusting support to complex under-forest topography to ensure the stability of the container. The nutrition assembly can realize water resource recycling, accurately control the soil pH value and nutrient supply, and meet the growth requirements of Sichuan red peony root. The design of the drainage disc and the threaded plug seat can flexibly adjust the drainage efficiency and the aeration property of the container to ensure the health of the root system. The utility model effectively reduces the risk of insect pests and is convenient to operate, reduces the difficulty of planting management, and has high overall practicality and use effect.

The present invention provides methods of increasing plant productivity and tolerance to water and nutrient deficiency by overexpressing an exonuclease responsible for the d200 mutant. Also provided are plants which overexpress the exonuclease and have improved tolerance to water and nutrient deficiency.

The invention discloses a potato breeder's seed soilless culture production device and application thereof, and relates to the technical field of potato breeder's seed soilless culture, the potato breeder's seed soilless culture production device comprises a base, a threaded lifter is fixedly connected to the position, close to the edge, of the top of the base, and a culture table is fixedly connected to the top of the threaded lifter. According to the potato breeder's seed soilless culture production device and the application thereof, a nutrient solution with certain viscosity is conveyed into the liquid storage shell, the lead screw sliding table drives the electric rotary table to reciprocate, so that a thickening nutrient solution is evenly stirred, and the threaded lifter drives the liquid storage shell to move upwards; the roots of the potato breeder's seeds are immersed into the nutrient solution through upward movement of the liquid storage shell, a layer of nutrient solution with viscosity is attached to the surfaces of the roots of the potato breeder's seeds along with downward movement of the liquid storage shell, and the problem that the roots of the potato breeder's seeds are insufficient in nutrition due to the fact that the atomized nutrient solution is low in viscosity and prone to volatilization or dripping is solved.

Methods and systems use a particular medication administered to a patient to identify one or more nutrient deficiencies associated with the particular medication, identify one or more drug-nutrient interactions associated with the particular medication, and / or identify one or more symptoms or side effects associated with the particular medication. Information stored in a database contains one or more of these associations and is used for the identification. The method may then provide one or more nutritional interventions and / or one or more dietary recommendations based on (i) the one or more nutrient deficiencies, (ii) the one or more drug-nutrient interactions, and / or (iii) the one or more symptoms or side effects.

The utility model relates to the field of ancient tree protection, and discloses a soil improvement device which comprises a communicating pipe and a water storage tank, the communicating pipe is installed outside an ancient tree, a limiting frame is installed on the inner side of the communicating pipe, a fertilization pipe is installed in the limiting frame, and a material storage tank is installed at the top end of the fertilization pipe. A connecting pipe is installed between the fertilizing pipe and the communicating pipe, a box cover is installed at the top end of the water storage box, collecting openings are formed in the two sides of the top end of the box cover, and a driving motor is installed in the middle of the top end of the box cover. According to the soil improvement device, water is irrigated and fed through a water pump, a nutrient agent in a storage tank can be fed into a discharging channel of a fertilization pipe, then water enters the discharging channel and is discharged out of a discharging hole to enter soil, and the soil improvement efficiency is improved through the structure of annularly surrounding ancient trees for fertilization; the quality of the soil environment for ancient tree survival is improved, and the problem of insufficient nutrition supplied to the soil is solved.

The present application relates to soil remediation and improvement technical field, especially to a kind of method for soil fertility recovery after soil electrokinetic remediation and application thereof, comprising the following steps: soil basic parameter detection: the soil after electrokinetic remediation is zoned, and the pH value, alkali-dissolving nitrogen, available phosphorus, available potassium content and moisture content of each region soil are detected respectively;pH precision regulation: according to the pH value of each regional soil, pH is adjusted using differential reagent, to reach the suitable growth interval of crops;Quasi-nutrient supplement: based on the nutrient deficiency amount of detection analysis, combined with the nutrient amount brought in during pH adjustment process, calculate and supplement nitrogen, phosphorus and potassium fertilizer;Add soil conditioner to soil, mix evenly after ploughing, adjust soil moisture content, cover film maintenance, complete soil fertility recovery.The present application effectively solves the problem that traditional technology cannot zoned differential regulation of electrokinetic remediation soil acid and alkali, pH adjustment, nutrient supplement and structure improvement cannot be synchronized, fertility recovery is slow, and farmland reclamation is lagging behind.

This invention proposes an intelligent feeding method and system based on an AI dynamic formulation engine, comprising: constructing a digital twin model of the animal, mapping the animal's physiological parameters to a unified physiological state vector; inputting the physiological state vector into a quantum-inspired neural network to obtain a real-time nutrient requirement spectrum and a nutrient deficiency risk assessment matrix, and generating an optimal feed formulation based on these two; controlling the feeding equipment to feed the animal according to the optimal feed formulation; monitoring the animal's feeding behavior and uneaten feed, and transmitting the feeding feedback data back to the AI ​​engine to form a closed-loop control system; storing the formulation data, feeding records, and animal response data for each feeding using blockchain technology to construct a complete feeding traceability chain; and quantitatively evaluating the effectiveness of the feeding program by comparing and analyzing historical data with current growth indicators. This invention can improve feed conversion rate and formulation adaptability, reduce feed costs, reduce human intervention, and improve the level of automation in animal husbandry.

We provide the system. [Solution] A means for the user to input a meal menu, A means of sending the meal menu entered by the user to the server, A method for the server to analyze the received meal menu and identify deficient nutrients, A means for generating a meal plan to supplement the nutrient deficiencies identified by the server, A means of providing the user with a meal menu generated by the server, A method for searching for and suggesting supermarkets or restaurants based on the user's location information, A system that includes this.

The invention relates to the technical field of remote sensing detection, in particular to a device and system for estimating cultivated land yield, and the system comprises a spectral data acquisition module, an image data acquisition module, a soil and physiological data acquisition module, an environmental parameter acquisition module, a pest and nutrition deficiency distinguishing module and a yield estimation and correction module. The device comprises a central controller and a power supply assembly for providing detection endurance, wherein the central controller is in signal connection with a spectral data acquisition assembly, an image data acquisition assembly, a soil and physiological data acquisition assembly and an environmental data acquisition assembly. According to the method, diseases and insect pests and nutrition deficiency are accurately distinguished through multi-source data acquisition and cross validation, the yield loss is corrected by dynamically integrating biological stress and environmental factors, and the defects of similar phenotype misjudgment and low estimation precision in the conventional technology are overcome.

The invention relates to a sea-buckthorn raw material dog food and a preparation method thereof. The dog food is prepared from the following components in parts by weight: 5 parts of sea-buckthorn, 10 parts of jinjiang grass, 30 parts of meat raw material, 40 parts of cereal raw material and 5 parts of mineral substance and vitamin additive. The raw materials are high in quality and diversified, and the sea-buckthorn is rich in various nutritional ingredients and can resist oxidation and enhance the immunity of pets; 3%-5% of Jinjiaocao fiber helps intestinal tract movement; the protein content of the high-quality meat is not lower than 25%. The pet feed is balanced and comprehensive in nutrition, mineral substances and vitamin additives are accurately proportioned, nutrient deficiency diseases of pets are prevented, and cooked grains improve digestibility and provide energy. The preparation process is scientific, nutrition is reserved through curing treatment, microorganisms are killed, granules are suitable for ingestion through granulation, moisture is accurately controlled through drying, the shelf life is prolonged, and the quality is guaranteed. And healthy, nutritional and high-quality food choices are integrally provided for pets.

The invention discloses a management method, system, equipment and medium for crop growth cycle detection, and relates to the technical field of intelligent farming management, and the method comprises the steps: carrying out the aerial photographing of a target crop region through an unmanned plane, and obtaining a remote sensing image and a multispectral image; performing feature extraction and multilayer feature fusion on the remote sensing image to obtain output feature maps with different levels of semantic information and structural features, detecting different output feature maps to obtain a growth stage label and confidence information of a target crop, and identifying a growth cycle of the crop; based on an identification result, geometric registration is carried out in combination with the multispectral image, and a region-level feature fusion strategy is set for each detection region to obtain a nutrient deficiency probability of the crops; and performing target crop growth state diagnosis through the target crop growth stage label and the nutrient deficiency probability, and generating a field management suggestion. According to the invention, high-precision detection of the crop growth cycle can be realized, and a precise decision basis is provided for agricultural management.

The invention discloses a Chinese orchid growth environment intelligent regulation and control ecological support system and an implementation method thereof, and belongs to the technical field of orchid growth and cultivation, and the system comprises an environment regulation and control module, a nutrient solution decision module, a nutrient solution initial supply module and a nutrient solution supply regulation module. Ideal environment and nutrition conditions can be provided for orchid growth, the orchid growth environment is monitored in real time and adjusted in a self-adaptive mode through the environment regulation and control module, negative effects on orchid growth caused by environment discomfort are avoided, and a stable and appropriate growth space is created for orchid. The nutrient solution decision-making module accurately analyzes the required amount of the nutrient solution, reasonable supply and dynamic adjustment of the nutrient solution are achieved, waste of the nutrient solution is avoided, and the phenomenon that growth of orchid is affected due to insufficient or excessive nutrition is avoided. In addition, the system can adjust a supply strategy in time according to various feedback parameters, and the growth quality and yield of orchid are improved.

The invention discloses plant body nutrient fatty acid calcium, belongs to the technical field of agricultural biology, and particularly relates to plant body nutrient fatty acid calcium researched and developed according to the nutritional requirement characteristics of plants in the seedling stage. The invention aims to solve the problem that plants often suffer from diseases due to insufficient nutrition in the seedling stage. The plant body nutrition fatty acid calcium is composed of glycerin, stearic acid, oleic acid, palmitic acid and linolenic acid. The invention aims to solve the problem of diseases caused by insufficient nutrition in the seedling stage of plants by supplementing core nutrient substances required by growth and development of plant bodies, promote the growth of the plants in the whole life cycle and improve the yield and quality of crops, and is suitable for cultivation and planting scenes of various crops such as rice, vegetables, beans, corn, flowers and the like.

The utility model belongs to the field of kiwi fruits, particularly relates to a stackable kiwi fruit transportation and preservation frame, and aims to solve the problems that an express package box is mostly adopted in the transportation process of the existing kiwi fruits, the kiwi fruits in the kiwi fruits are easily damaged by vibration force in the transportation process, the damage rate of the transported kiwi fruits is high, and the transportation cost is low. In order to solve the problems that in the prior art, kiwi fruits lack nutrients, taste is affected and the kiwi fruits are prone to decay, the following scheme is provided that the kiwi fruit cultivation device comprises a plurality of supporting columns, the multiple supporting columns are arranged in a rectangular array, outer arch bridges are arranged between every four adjacent supporting columns, and the same inner arch bridge is arranged between every four adjacent outer arch bridges; according to the kiwi fruit transportation and preservation device, kiwi fruits are better protected in the transportation process, the kiwi fruit transportation and preservation plates are meshed together in the vertical direction, the whole kiwi fruit transportation and preservation device is more stable, enough gaps for the kiwi fruits to breathe and the positions of adsorbents are reserved, and gas can be regulated and controlled in a targeted mode.

This invention discloses a seed coating agent and coating process for seed pelleting, belonging to the field of seed coating technology. The seed coating agent comprises components such as a superabsorbent compound, brewer's residue, and attapulgite. The superabsorbent compound is a starch-acrylic acid-acrylamide terpolymer, formed through cross-linking with a mixture of non-degradable and degradable cross-linking agents, exhibiting both high water retention and easy penetration. This coating process, involving grafting solution preparation, mixed powder preparation, and layered coating treatment, is suitable for sowing in sandy areas of northern China during the non-rainy season. It solves problems such as seed germination due to water shortage, seedling death, premature germination preventing sowing, and nutrient deficiency, effectively improving seed germination rate, seedling survival rate, and stress resistance. It is suitable for forage planting and ecological restoration.

The invention relates to the technical field of garden decoration, and particularly discloses a landscaping landscape flower stand which comprises a planting mechanism arranged on the flower stand, the planting mechanism comprises a flowerpot and a water basin, a water drainage pipe is arranged at the bottom of the water basin, a spray head and a third electric valve are arranged on the water drainage pipe, and an irrigation mechanism is further arranged on the flower stand. Soil data are collected in real time through the monitor, requirements, water shortage, nutrient shortage and acid-base imbalance are automatically judged in combination with an external control system, frequent manual inspection is not needed, and manpower input is reduced; the water storage tank is connected with an external water source through a water pipe and matched with a water level sensor and an electric valve to achieve automatic water replenishing, meanwhile, the liquid storage tank is in linkage with the water storage tank, nutrient solutions can be automatically added or liquid medicine can be automatically adjusted according to needs, stirring blades are driven by a rotating motor to be fully mixed and then accurately conveyed, errors and waste caused by manual dispensing are avoided, and the production efficiency is improved. By means of the integrated maintenance system, liquid medicine can be conveyed in time, and the problem that manual water adding and maintenance are needed during unattended operation is solved.

The present application relates to the technical field of diet analysis, in particular to a health diet analysis method based on social media data, comprising the following steps: extracting a diet label time interval, calculating interval difference normalization screening period stability label, analyzing food frequency sequence division type to generate period classification group, extracting image and index to construct intake trajectory set, calculating structure ratio to identify tilt node, and generating a list of nutrient deficiency points. In the present application, the stability recognition in the time dimension of diet information is enhanced through the period consistency determination based on social media labels, the time sequence behavior trajectory of calories and intake structure is constructed through the text keyword density extraction, the intake structure deviation point is identified in the dynamic continuous sequence and the fluctuation trend is quantified, the daily nutrient gap is evaluated in time, and the multi-period diet deviation monitoring capability and the feasibility of health risk quantitative analysis are enhanced.

This invention provides a complete nutritional food that can be used as a meal replacement, its preparation method, and its application. The food is scientifically formulated from natural ingredients and medicinal and edible homologous components, including glutinous rice flour, kudzu root powder, yam powder, wolfberry extract, jujube extract, camel milk powder, dehydrated egg flower powder, soybean flour, sea cucumber powder, ginseng powder, turtle shell powder, dried ginger extract, codonopsis extract, astragalus extract, eucommia extract, sesame oil, and salt. This complete nutritional food covers the basic nutrients required by the human body, including high-quality protein, complex carbohydrates, healthy fats, essential minerals, vitamins, dietary fiber, sodium, and various beneficial components with physiological activity, such as total polysaccharides and total flavonoids. Its nutritional structure is balanced and scientifically proportioned. Long-term consumption as a meal replacement or substitute can not only meet daily energy and nutritional needs but also avoid nutrient deficiencies or metabolic imbalances, exhibiting good safety and sustainability. Therefore, it can be used as a complete nutritional meal replacement for daily dietary substitution.

The invention discloses a female pregnancy preparation nutrition powder and a preparation method thereof. The female pregnancy preparation nutrition powder comprises the following components in parts by weight: 20-30 parts of concentrated whey protein powder, 35-40 parts of whole milk powder, 20-25 parts of fructo-oligosaccharide, 0.5-1.5 parts of bovine colostrum powder, 2-6 parts of roxburgh rose powder, 2-6 parts of rhizoma polygonati powder, 2-6 parts of rehmannia powder, 0.3-0.7 part of composite vitamins and 2-6 parts of composite minerals. According to the nutritional requirements of women in the pregnancy preparation period, the nutrient design is scientific and reasonable, the nutrient deficiency of the maternal body is corrected, oxidation is resisted, the immunity is improved, the intestinal function is adjusted, the constitution is conditioned in combination with traditional Chinese medicine, and the health of the maternal body reaches the optimal state. Heat-sensitive components are protected technically, interaction among the components is avoided, product uniformity is ensured, solubility and taste are improved, nitrogen is charged for packaging to prevent oxidation, and the sensitive components are protected; the growth of microorganisms is inhibited; caking and texture deterioration are prevented; the shelf life is prolonged.

This utility model relates to an automatic feeding device for laying hen farming, belonging to the field of laying hen farming technology. It mainly includes a support frame, a feed storage bin, a feeding mechanism, a drive mechanism, and a feed trough. The bottom of the feed storage bin is connected to the feeding mechanism, which uses a feed-distributing plate and a gear and rack transmission to achieve uniform feed distribution. The drive mechanism drives the feed storage bin to move longitudinally, and a feed level sensor monitors the remaining feed in real time, precisely controlling the feeding process. This utility model, through the coordinated use of the drive mechanism, feed storage bin, and feeding mechanism, achieves an automated longitudinal feeding process, reducing human intervention and significantly improving feeding efficiency. Simultaneously, the linkage design of the feed-distributing plate and gear and rack enables uniform feed distribution in multi-stage rearing cages, avoiding insufficient or excessive feeding, effectively reducing feed waste or nutritional deficiencies, and ensuring the growth and egg production performance of the laying hens.

To provide a nutrient deficiency sensing system capable of detecting nutrient salt deficiency of seaweed in the ocean.SOLUTION: A nutrient salt deficiency sensing system 1 according to the present invention includes: an imaging unit 12 that captures an image of seaweed 10; a color information extraction unit 32 that extracts color information of a plurality of different locations from the captured image; a nutrient salt deficiency index calculation unit 38 that calculates a nutrient salt deficiency index 40 based on values of the plurality of pieces of the color information; and a display unit 42 that displays the nutrient salt deficiency index 40 on a screen. Preferably, the color information extraction unit 32 extracts at least color information of a growth point of the seaweed 10. Preferably, the nutrient salt deficiency index calculation unit 38 calculates, as the nutrient salt deficiency index 40, a difference between values of the extracted color information of the plurality of different locations. Preferably, the seaweed 10 is a large brown alga.SELECTED DRAWING: Figure 1