Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

27 results about "Yellow Nutgrass" patented technology

Cyperus esculentus (also called chufa sedge, nut grass, yellow nutsedge, tiger nut sedge, edible galingale, water grass or earth almond) is a crop of the sedge family widespread across much of the world. It is found in most of the Eastern Hemisphere, including Southern Europe, Africa and Madagascar, as well as the Middle East and the Indian subcontinent.

Soil lifting device for cyperus esculentus harvesting

PendingCN121220272ADiggersAgricultural engineeringYellow Nutgrass
The invention relates to the technical field of agricultural machinery, and discloses a cyperus esculentus harvesting and soil lifting device which comprises a soil lifting assembly and a cover shell, a soil lifting shovel is arranged in the cover shell, a rotary blade is arranged above the soil lifting shovel, a grating net is arranged on one side of the soil lifting shovel, and a material pushing assembly is arranged above the grating net and comprises a rotating sleeve rotationally connected to the interior of the cover shell. The cyperus esculentus feeding device has the beneficial effects that the contact between the material pushing plate and cyperus esculentus is set to be gradual, the material pushing plate can be attached to the fixing ring when not making contact with the cyperus esculentus, the material pushing plate can rotate outwards when making contact with the cyperus esculentus at the initial stage, at the moment, the material pushing plate buffers the contact force through rotation of the material pushing plate, and the situation that the epidermis of the cyperus esculentus is damaged due to rigid impact is avoided; when the material pushing plate is in complete contact with the cyperus esculentus, the angle can be locked, the locked material pushing plate is in surface contact with the cyperus esculentus, pressure distribution is more uniform, local extrusion damage is further reduced, and the locked material pushing plate can apply enough thrust to the cyperus esculentus.
Owner:INNER MONGOLIA UNIV FOR THE NATITIES +1

Cyperus esculentus harvester and harvesting method thereof

The invention discloses a cyperus esculentus harvester and a harvesting method thereof, and relates to the technical field of cyperus esculentus harvesters. The cyperus esculentus crushing device comprises a vehicle frame, a supporting table is arranged on one side of the vehicle frame, a plurality of connecting frames are fixedly connected between the vehicle frame and the supporting table, a crushing assembly is arranged on the supporting table, soil can be crushed conveniently, cyperus esculentus can be turned out of the soil, and a feeding mechanism is arranged at the end, close to the supporting table, of the vehicle frame; crushed soil mixed with cyperus esculentus is conveyed conveniently, meanwhile, large soil is further crushed, follow-up screening is facilitated, a screening and impurity removing structure is arranged on the inner side of the vehicle frame, the screening and impurity removing structure is matched with a discharging opening of the feeding mechanism, the crushed soil is subjected to multi-stage screening conveniently, the cyperus esculentus is screened out of the soil, and therefore the cyperus esculentus can be screened out conveniently. Light impurities such as grass leaves and grass branches mixed in the cyperus esculentus are removed, the impurity removal effect of the cyperus esculentus is effectively improved, and the cyperus esculentus is conveniently harvested.
Owner:JILIN AGRICULTURAL UNIV +1

Cyperus esculentus lifting sieve device

The utility model discloses a cyperus esculentus lifting sieve device, which belongs to the technical field of agricultural machinery and comprises a frame. An inclined chain mechanism is mounted on the rack; the chain mechanism comprises at least two chains capable of rotating circularly, the high ends of the chains are in the rear direction, and the low ends of the chains are in the front direction. Connecting lugs which are uniformly distributed at intervals are arranged on the chain; each chain plate comprises a bottom plate and right-angle plates fixedly connected to the two ends of the bottom plate, and the two right-angle plates of each chain plate are detachably connected with the connecting lugs on the two chains through bolt assemblies. A push plate part bent upwards is fixedly arranged at the front end of the bottom plate, a baffle part bent downwards is arranged at the rear end of the bottom plate, oblong holes which are densely distributed are formed in the surface of the bottom plate, and the width of the oblong holes is smaller than the diameter of cyperus esculentus. According to the cyperus esculentus harvester, the chain plate is arranged to serve as a conveying device for conveying a bean-soil mixture, soil block particles are efficiently screened while the bean-soil mixture is lifted, the cyperus esculentus harvester has the effects of being reliable in work, low in cost, convenient to maintain and capable of preventing blockage, and then the cyperus esculentus harvesting efficiency is improved.
Owner:GANTRY LAB

Cyperus esculentus seed screening device

The utility model discloses a cyperus esculentus seed screening device which comprises a screening box and a feeding port, and the feeding port is formed in the top of the screening box. A discharging box is fixed to the bottom of the screening box, and the outer side of the screening box is fixedly connected with a servo motor through a supporting plate. By starting the servo motor, the servo motor drives the connecting rod to rotate, the conveying assembly rotates, the driving wheel, the rotating wheel and the conveying belt are matched with one another, the fixing rod is driven to rotate, and even if the connecting rod and the fixing rod synchronously drive the vibration block to rotate, the vibration block can rotate synchronously. And then a vibration block collides with a touch block and a contact block, so that a first screening plate and a second screening plate shake, the cyperus esculentus seeds on the first screening plate and the second screening plate are screened conveniently, and the matched cyperus esculentus seeds fall onto an inclined plate through a first filtering hole and a second filtering hole correspondingly.
Owner:LANGFANG ACAD OF AGRI & FORESTRY SCI

Novel cyperus esculentus seed sowing device

The utility model relates to the technical field of seed-metering devices, in particular to a novel cyperus esculentus seed-metering device which comprises a material containing frame, an air chamber frame arranged on one side of the material containing frame, a seed-metering disc arranged between the material containing frame and the air chamber frame, a motor arranged on one side of the air chamber frame, an open hole formed in the side face of the seed-metering disc, an adsorption mechanism arranged in the open hole and comprising a cylinder. A sliding barrel is arranged on the inner side of the cylinder in a limiting sliding mode, a conical suction cup opening is fixed to one end of the sliding barrel, balls are embedded into the other end of the sliding barrel, through holes are formed in the side faces of the cylinder and the sliding barrel, an annular table is fixed outside the sliding barrel, and a compression spring is arranged between the annular table and the cylinder in a clamped mode. A boss is fixed to one side of the air chamber frame, and a feeding opening is formed in the upper side of the containing frame. And a striker plate structure is arranged on the inner side of the feeding hole. The utility model solves the problems that the seeds are easy to extrude between the seed metering disc and the material containing frame to cause the breakage of the seeds and the seeding efficiency is easy to reduce when the seeds are accumulated too much because the seeds naturally fall into the seed groove to convey the seeds in the conventional seed metering device.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Chufa production device and method thereof

PendingCN122141942ASievingScreeningYellow NutgrassStructural engineering
The present application relates to the technical field of agricultural machinery, in particular to a cyperus esculentus production device and method thereof, the cyperus esculentus production device comprises a screening part; the screening part comprises a bottom plate, a protective shell is arranged on the top of the bottom plate, a receiving groove is arranged at the top of the protective shell, a screen mechanism is arranged on the top of the bottom plate inside the protective shell; the screen mechanism comprises a driving unit one and a driving unit two arranged on the top of the bottom plate, the driving unit one is arranged on the top of the bottom plate close to the receiving groove, and the driving unit two is provided with a plurality of driving units. The screening part has strong adaptability, the bottom plate, the protective shell, the driving unit one, the driving unit two and the spiral screen rod cooperate with each other, the spiral screen rod is attached to the shape of cyperus esculentus, so that the screening and mixing of different grades are avoided; the spiral screen rod gently screens, so that the damage rate is reduced; the positioning assembly, the adjusting assembly and the tooth assembly cooperate with each other, so that the diameter can be adjusted online without stopping, and the adaptability and continuity are improved.
Owner:TUMUSHUKE JUNKEN FOOD CO LTD

Steel wire screen cage for cyperus esculentus harvester

ActiveCN224684777UAffect work efficiencyAvoid large lossesAgricultural engineeringYellow Nutgrass
The utility model discloses a steel wire screen cage of cyperus esculeetus harvester, and particularly relates to the technical field of agricultural machinery and equipment, including bottom assembly, bottom assembly top is provided with filter assembly, and bottom assembly top is provided with cleaning assembly, the cleaning assembly includes the transverse board, and both ends of transverse board are fixedly connected with the support frame, and a plurality of through grooves are penetrated and arranged on the top of transverse board, and a plurality of T type ring grooves two are arranged on the top of transverse board, and T type ring two are arranged in T type ring grooves two, and the lock bolt is fixedly connected to the top of T type ring two, and the arc plate is arranged on the bottom of transverse board, and a plurality of studs are fixedly connected to the top of arc plate, and a plurality of brush heads are fixedly connected to the bottom of arc plate. Solve the process of the current cyperus esculeetus harvester in screening soil, and the screen of screen cage is easily blocked by soil, and it is inconvenient to automatically clean when running, and the cleaning assembly generally can not be adjusted, and the damage of brush head is too large after long time use, and the working efficiency is affected.
Owner:HENAN HUIGUSHENG MACHINERY CO LTD

Method for improving color of rhizoma sparganii in vinegar

The invention discloses a method for improving the color of vinegar sparganium stoloniferum, and belongs to the technical field of traditional Chinese medicine processing. The method comprises the following steps: S1, pretreatment: taking fresh rhizoma sparganii, washing, peeling, slicing, putting into 4-7wt% lime water, and boiling for 4-7 minutes; s2, neutralizing and cleaning: cleaning to be neutral and draining; s3, infiltrating with vinegar: infiltrating with table vinegar; s4, performing steaming: performing steaming for 40 to 45 minutes by using saturated steam with the pressure of 0.09 to 0.12 MPa; s5, drying: drying to obtain the vinegar rhizoma sparganii. The processed vinegar rhizoma sparganii is uniform and consistent in color and luster and free of focal spots. Effective components are fully dissolved out (the extract content is greater than 30%); the conversion rate of flavonoid components is improved (the content of quercetin is greater than 0.75 mg / g).
Owner:JIUXIN CHINESE MEDICINE GRP CO LTD

A method for preparing high-purity medicinal-grade cyperus esculentus oil based on column separation and molecular distillation linkage and use

PendingCN122357215AYellow NutgrassAlumina composite
This application relates to the field of oil refining technology, specifically disclosing a method for preparing high-purity pharmaceutical-grade tiger nut oil based on column separation and molecular distillation, and its applications. The method for preparing high-purity pharmaceutical-grade tiger nut oil based on column separation and molecular distillation includes the following steps: S1. Raw material pretreatment and preliminary refining to obtain preliminary refined oil; S2. Column separation purification: passing the preliminary refined oil through a chromatographic column packed with silica-alumina composite packing material, eluting with a hexane-ethanol mixed solvent, collecting the target eluent, and concentrating under reduced pressure to remove the eluent, obtaining column-separated refined oil; S3. Molecular distillation purification: distilling the column-separated refined oil, collecting the main fraction, and finely filtering to obtain the high-purity pharmaceutical-grade tiger nut oil. The method of this application can be used for tiger nut oil preparation, and the obtained tiger nut oil has the advantages of high purity and good stability.
Owner:MEDIXIN BIOMEDICAL TECHNOLOGY (XIAN) CO LTD

Method for artificially planting centranthera grandiflora

ActiveCN121128554ACultivating equipmentsRoot crop cultivationCentranthera cochinchinensisYellow Nutgrass
The invention discloses a method for artificially planting centranthera grandiflora, which comprises the following steps: S1, making a seedbed: ploughing land, making furrows, and uniformly spreading a decomposed organic fertilizer on furrow surfaces; thoroughly watering the furrow surface, stirring the surface soil into mud, and scraping to form slurry; s2, sowing: dibbling seeds or tubers of host plant oil cyperus esculentus according to the plant row spacing of 10-15 cm on the furrow surface with the slurry, and uniformly sowing the seeds of centranthera grandiflora on the slurry on the furrow surface; s3, seedling stage management: immediately building an arched shed after sowing, and controlling the light transmittance to be 40-50%; 20-30 days after seedling emergence, ventilation is conducted in the morning and in the evening; removing the arched shed after 45-60 days, and removing weeds; the relative water content of the furrow surface soil is kept at 60%-80%. The method has the advantages that the yield of the centranthera grandiflora is effectively increased, and double harvest of the centranthera grandiflora and the cyperus esculentus is realized.
Owner:KUNMING UNIVERSITY

Cyperus esculentus silage as well as preparation method and application thereof

The invention discloses cyperus esculentus silage as well as a preparation method and application thereof, relates to the technical field of silage, and aims to solve the problem that the silage based on cyperus esculentus and a preparation method thereof are lacked in the prior art. The technical key point of the invention comprises the following steps: mixing an ensiling raw material with a compound bacterial agent to obtain a fermentation substrate, carrying out anaerobic fermentation on the fermentation substrate, and collecting a fermentation product to obtain the cyperus esculentus ensiling feed, the silage raw materials are naturally mature pretreated cyperus esculentus stems and leaves; active components of the compound bacterial agent are lactobacillus casei LAGL-01 and cellulase, the lactobacillus casei LAGL-01 is preserved in the China General Microbiological Culture Collection Center, and the preservation number of the lactobacillus casei LAGL-01 is CCTCC No: M 2023638. The quality of the cyperus esculentus silage is improved, and the economic benefits of farmers can be improved.
Owner:HEILONGJIANG ACAD OF AGRI SCI ANIMAL HUSBANDRY & VETERINARY BRANCH

Biosynthesis-based dry grass feed for fragrant oil palm and preparation method thereof

ActiveCN117752012BFood processingAnimal feeding stuffBiotechnologySpoilage bacteria
The present application belongs to the field of feed fermentation, and particularly relates to a concentrated-flavor cyperus esculentus dry grass feed based on biosynthesis and a preparation method thereof. The concentrated-flavor cyperus esculentus dry grass feed comprises cyperus dry grass, a bacteria liquid of fused weissella and carbon source and nitrogen source. The fused weissella has been preserved in the China General Microbiological Culture Collection Center (CGMCC) with a preservation number of CGMCC No. 24053. The technical solution of the present application utilizes biotechnology to assist in fermenting cyperus esculentus, generates organic acid by decomposing fiber and utilizing soluble carbohydrate and other fermentation substrates to inhibit the growth of mold and other spoilage bacteria and reduce the loss of nutritional ingredients. Meanwhile, flavor substances (mainly including alcohol, aldehyde, phenol, acid, ester, ketone and hydrocarbon substances) are greatly enriched after fermentation, which can effectively increase the aroma components of the feed.
Owner:SHIHEZI UNIVERSITY +1

A comprehensive extraction and separation method of high-value components in cyperus esculentus and products and applications thereof

This invention relates to a comprehensive extraction and separation method for high-value components from tiger nuts, as well as its products and applications. The comprehensive extraction and separation method includes the following steps: drying and pulverizing tiger nuts, mixing them with water, and performing a first shaking extraction; mixing the first extract with a food-grade organic solvent and performing a second shaking extraction; centrifuging the second extract to obtain a phase-separated material system; and separating and purifying the phase-separated material system to obtain five high-value components: tiger nut oil, tiger nut gum, tiger nut starch, tiger nut sugar, and tiger nut fibroin. In this invention, tiger nuts are first mixed with water to extract the sugar content, then a food-grade organic solvent is added, and centrifugation allows for the simultaneous separation of five high-value crude components in an integrated manner. Furthermore, the entire extraction and separation process is completed within a single process, ensuring the purity of each component while significantly improving the yield, reducing overall costs, and facilitating large-scale scaling.
Owner:ACAD OF NAT FOOD & STRATEGIC RESERVES ADMINISTRATION

Application of CeCHS57 gene in improving drought resistance of cyperus esculentus

The invention discloses application of a CeCHS57 gene in improving drought resistance of cyperus esculentus, and relates to the technical field of biology. The nucleotide sequence of the CeCHS57 gene is as shown in SEQ ID NO. 1. According to the invention, the CeCHS57 gene is successfully cloned from cyperus esculentus, so that the blank of research on the drought-resistant functional gene of cyperus esculentus is filled. After the gene is over-expressed in cyperus esculentus and arabidopsis thaliana through genetic transformation, the activity of antioxidant enzymes such as SOD, CAT, POD and APX in plant leaves and root systems can be remarkably enhanced, active oxygen accumulated under drought stress is effectively eliminated, the content and conductivity of membrane lipid peroxidation products MDA are reduced, and cell membrane damage is reduced, so that the tolerance of plants to drought stress is improved. Phenotypic analysis shows that the growth state of transgenic arabidopsis thaliana under drought conditions is obviously superior to that of wild and mutant plants, and the drought resistance function of the CeCHS57 gene is proved.
Owner:HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY

A SYBR Green fluorescent quantitative PCR method for identifying cyperus esculentus ingredients based on Ce44 gene and application thereof

The application discloses a SYBR Green fluorescent quantitative PCR method for identifying Cyperus esculentus components based on a Ce44 gene and application thereof, and establishes a specific and high-sensitivity Cyperus esculentus component detection method by using a single copy gene of a Cyperus esculentus plant genome as a marker gene based on a SYBR Green real-time fluorescent quantitative technology.The method can accurately distinguish the Cyperus esculentus from four Cyperaceae plants and other 12 representative plants, and can accurately determine whether the six food samples on the market contain the Cyperus esculentus component.The specific real-time fluorescent quantitative PCR detection method for the Cyperus esculentus established by the application can provide a technical reference for qualitative and quantitative detection of the Cyperus esculentus component in Cyperus esculentus products.
Owner:SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES +1

Chained extraction device for cyperus esculentus box

PendingCN121825644AFatty-oils/fats productionYellow NutgrassChain type
The invention relates to the technical field of extraction devices, in particular to a cyperus esculentus box chain type extraction device which is characterized in that a mounting frame is fixedly mounted on a chain, an extraction tank is rotatably mounted on the mounting frame, the rotating axis of the extraction tank is parallel to the axis of a supporting shaft, and a balancing weight for keeping an opening of the extraction tank upward is fixedly mounted on the extraction tank; the top of the outer box body is provided with a feeding port used for adding materials into one of the extraction tanks, the bottom of the outer box body is provided with a discharging port, a turnover mechanism is arranged in the outer box body, and when the extraction tanks move to the position above the discharging port along with the chain, the turnover mechanism drives the extraction tanks to turn over and pour materials; a rotating shaft is rotatably mounted in the extraction tank, the rotating shaft coincides with the rotating axis of the extraction tank, a material turning structure is fixedly mounted on the rotating shaft, and a driving mechanism for driving the rotating shaft to rotate is arranged in the outer box body; in the process that the extraction tank moves along with the chain, the rotating shaft rotates and drives the shoveling plate to do circular motion, and materials are continuously thrown through the shoveling plate, so that the materials and a solvent are fully mixed.
Owner:HENAN QIE GRAIN & OIL MASCH CO LTD

A device for harvesting cyperus esculentus in sandy soil

The application relates to a Cyperus esculeus harvesting device for sandy land, which comprises a frame and a traction frame arranged at the front end of the frame, an inclined conveying and separating mechanism is arranged on the frame, a flexible clamping and conveying mechanism with an inclination greater than that of the conveying and separating mechanism is arranged on the frame above the conveying and separating mechanism, a bean root separating mechanism is arranged on the frame between the flexible clamping and conveying mechanism and the conveying and separating mechanism; a primary conveying device is arranged at the end of the conveying and separating mechanism on the frame, a secondary conveying device is arranged at the conveying end of the primary conveying device on the frame, a stone removing device is arranged between the primary conveying device and the secondary conveying device, a collecting box is arranged at the conveying end of the secondary conveying device, and a foreign matter sucking device is arranged above the stone removing device on the frame. The application can realize efficient threshing, separating and cleaning of Cyperus esculeus for sandy land.
Owner:HENAN UNIV OF SCI & TECH

High-efficiency filtering equipment for refining chufa bean oil

ActiveCN224462343UAgricultural engineeringYellow Nutgrass
The utility model discloses a kind of efficient filtering equipment for refining cyperus esculentus oil, including filter tank, the bottom end of the filter tank is fixedly connected with oil storage tank, the top end of the filter tank is clamped with sealing cover, the inside of the filter tank is equipped with roll-pressing assembly, the roll-pressing assembly includes filter bowl fixedly connected in the inside of the filter tank, the top end of the filter bowl is fixedly connected with fixed pin, the inside of the filter bowl is paved with filter cloth, the bottom end of the sealing cover is rotatably connected with support shaft, the utility model relates to the technical field of soybean oil filtering equipment;The efficient filtering equipment for refining cyperus esculentus oil, impurities in soybean oil are primarily filtered by filter cloth inside filter bowl, after soybean oil is filtered, side pressure roller in side rod and bottom pressure roller rotate inside filter bowl, by extrusion force of side pressure roller and bottom pressure roller, oil absorbed in impurities is separated out, improve soybean oil recovery yield, improve the efficiency of soybean oil filtering simultaneously.
Owner:USA (HAINAN) BIOTECHNOLOGY CO LTD

Process for brewing wine by using cyperus esculentus and soybean meal

PendingCN121780276ABiofuelsAlcoholic beverage preparationBiotechnologyYellow Nutgrass
The invention provides a process for brewing wine by using cyperus esculentus and soybean meal, and belongs to the field of wine brewing processes, the wine brewing process comprises the following steps: carrying out grain moistening treatment on 50-54% of the total weight of sorghum to obtain a grain moistening main material I; adding the pretreated cyperus esculentus and micro-fermented rice husks into the grain moistening main material I, and steaming the grains in a steamer to obtain a cured material; mixing fermented grains and soybean meal into the cured material to obtain a mixed material; and adding high-temperature yeast into the mixed material, carrying out round stacking and fermentation to obtain round fermented grains, and distilling to obtain the wine. Through innovative combination of the sorghum, the pretreated cyperus esculentus, the micro-fermented rice husk and the soybean meal, synergistic utilization of respective raw material advantages is fully exerted, breakthrough progress is made in the aspect of efficient fermentation, high wine yield is obtained, meanwhile, great progress is made in the aspect of flavor improvement, and the method is suitable for large-scale popularization and application. And a new technical path and thought are provided for sustainable development of Maotai-flavor liquor and even the whole liquor making industry.
Owner:SHANDONG TIANNONG YOUSUDOU LIQUOR CO LTD

Application of Bibaumannia pacifica in improving yield and / or quality of cyperus esculentus

PendingCN121058691ABiocidePlant growth regulatorsBiotechnologyYellow Nutgrass
The invention belongs to the technical field of microorganisms, and particularly relates to application of Pacific bibaumannia in improving the yield and / or quality of cyperus esculentus. The Pacific bibaumannia is YSS0046, the preservation number is CGMCC NO.34153, and the Pacific bibaumannia is preserved in the China General Microbiological Culture Collection Center on April 10, 2025. Under the stress of salt, the Pacific Bibaumannia can effectively promote seed germination and seedling growth of cyperus esculentus, increase the plant height, root length, fresh weight and tiller number of cyperus esculentus, and provide more sufficient nutrition and energy for growth and development of cyperus esculentus.
Owner:SHIHEZI UNIVERSITY

Alternative dairy

A method to prepare a food composition includes providing a nut from Canarium or a nut from Cyperus esculentus; removing a flavor from the nut; providing an enzyme; and mixing the nut with the enzyme for an enzymatic reaction to form the food composition, wherein the food composition does not contain animal milk. The method may further include providing a cultivating material and mixing the nut with the cultivating material for a microbial fermentation, providing a whitening agent and mixing the nut with the whitening agent, or providing a baking soda and mixing the nut with the baking soda. The food composition may include a substitute for cheese, dessert, or ice cream.
Owner:FAIRFLAVOR FOODS LTD

Machine learning based intelligent control system for cyperus esculentus harvesting machine

The application relates to the field of artificial intelligence and discloses an intelligent control system of a cyperus esculentus bean harvesting machine based on machine learning, which comprises the following steps: collecting soil moisture, canopy spectrum and historical data, predicting a tuber maturity thermal map through a three-dimensional convolution-LSTM hybrid model, fusing ground penetrating radar and vibration sensing data during operation, constructing an underground tuber point cloud in real time and dynamically adjusting the digging depth, speed and swing, instantaneously lifting a shovel to avoid obstacles when encountering sudden resistance, comparing the coverage rate after operation to generate a supplementary harvesting path, and incrementally updating model parameters after each season. The application realizes centimeter-level spatial positioning and hour-level harvesting window prediction, increases the complete harvesting rate, reduces the damage rate, improves the coverage rate and economic benefits.
Owner:BEIJING SHANSHUI YUNTU TECH CO LTD

Intercropping method for efficiently utilizing water and fertilizer of cyperus esculentus and forest trees

The invention relates to the technical field of cultivation of special crops or plants which are not mentioned, and discloses an intercropping method for efficiently utilizing water and fertilizer of cyperus esculentus and forest trees, which does not try to water and fertilize various intercropped crops at the same time like a traditional intercropping mode. The water and fertilizer management of the cyperus esculentus and the forest trees is directly and thoroughly separated by combining a drip irrigation system and does not influence each other. And water and fertilizer resource waste caused by unified irrigation and fertilization of the forest trees and the cyperus esculentus is avoided. Interferences are removed through single-tree crown segmentation, and the crowns of the fertilizer-deficient land parcels are identified through remote sensing; a drip irrigation system and a forest cultivation mode are modified, it is ensured that a whole row of plants can have stress symptoms only when cyperus esculentus is subjected to nutrition stress, and the characteristic is utilized to eliminate areas with similar fertilizer deficiency symptoms caused by weak light stress. And by utilizing the unique characteristics of the sandy soil and the cyperus esculentus, potassium deficiency is indirectly monitored by monitoring nitrogen deficiency, so that the potassium deficiency can be found in time, and timely fertilizer supplementation can be realized by combining an additionally arranged fertilizer supplementation interface.
Owner:INST OF AFFORESTATION & DESERTIFICATION PREVENTION & CONTROL XINJIANG ACADEMY OF FOREST SCI

Molecular marker-assisted breeding method for high-yield stress-resistant character of cyperus esculentus

The invention discloses a molecular marker-assisted breeding method for high-yield stress-resistant characters of cyperus esculentus, which comprises the following steps: collecting cyperus esculentus germplasm resources, and establishing a germplasm resource library: collecting the cyperus esculentus germplasm resources with various genetic backgrounds from different geographic areas, including wild species, local species, bred species and the like, so as to ensure abundant genetic diversity, and improve the breeding efficiency. The collected germplasm resources are subjected to detailed morphological identification, agronomic character investigation and basic biological characteristic analysis, indexes such as the growth cycle, the plant height, the stem diameter, the leaf characteristics, the tuber yield, the oil content and the protein content of the germplasm resources are recorded, systematic arrangement and archiving are conducted on the germplasm resources, and a germplasm resource database is constructed. The invention relates to the technical field of cyperus esculentus breeding. By screening the molecular marker closely linked with the high-yield stress resistance character of the cyperus esculentus, an efficient breeding process is established, and rapid cultivation of good varieties of the cyperus esculentus is realized.
Owner:USA (HAINAN) BIOTECHNOLOGY CO LTD

Rotary screen device for cyperus esculentus

The utility model discloses a rotary screen device for cyperus esculentus, which belongs to the technical field of agricultural machinery and comprises a cylindrical screen drum. Oblong screen holes are densely distributed in the side wall of the screen drum; the rotating assembly is arranged in the screen drum, the axis of the rotating assembly and the axis of the screen drum are located in the same vertical plane, and the rotating assembly deviates downwards. The rotating assembly comprises a mandrel assembly; a plurality of pairs of arc-shaped grass guide plates are fixedly connected to the mandrel assembly and are uniformly distributed at intervals in the axial direction; a plurality of flexible throwing ropes are arranged between two adjacent pairs of arc-shaped grass guide plates and are uniformly distributed around the circumference of the mandrel assembly; one end of each flexible throwing rope is rotatably connected with the mandrel assembly, and the other end of each flexible throwing rope is provided with a Y-shaped forked part; and one end of the mandrel assembly extends out of the screen drum and is connected with a driving device. According to the cyperus esculentus harvester, the flexible throwing rope with the Y-shaped forking part is arranged, the effect of separating cyperus esculentus from stalks is improved, the screen drum is not prone to being blocked, and the cyperus esculentus harvesting efficiency is improved.
Owner:GANTRY LAB

Method for predicting, collecting and testing dry moisture of cyperus esculentus based on LSTM (Long Short Term Memory)

The invention relates to the technical field of agricultural product processing, and discloses an LSTM (Long Short Term Memory)-based mandulapalka dry moisture predicting, collecting and testing method which comprises the following steps: collecting multi-modal data in a mandulapalka drying process through a data collecting module; predicting, by an LSTM moisture prediction module, a future moisture content based on the multi-modal data; selecting an action of adjusting the sampling frequency based on the state space through a reinforcement learning agent module; and dynamically adjusting the sampling frequency and the space priority according to the action through an adaptive sampling controller, and performing dimension reduction processing on the environment multi-modal features in the state space through feature coding. Through the synergistic effect of the reinforcement learning agent module and the self-adaptive sampling controller, the sampling frequency and the space priority are dynamically adjusted, the collection resources are intelligently distributed according to the specific characteristics of the drying process, and the collection and test efficiency is remarkably improved while the moisture prediction precision is guaranteed.
Owner:LIAONING RES INST OF GRAIN SCI

Tissue culture and rapid propagation method of Cyperus perfoliatus

The invention provides a method for tissue culture and rapid propagation of Cyperus perfoliatus, which comprises the following steps: taking base axillary buds of Cyperus perfoliatus as a starting material, collecting explants, cleaning and disinfecting, and carrying out primary axillary bud elongation culture, adventitious bud induction and multiplication culture, rooting culture and tissue culture seedling domestication and transplanting to obtain Cyperus perfoliatus seedlings. According to the method, the adventitious buds are directly induced by adopting the galingale perfoliata axillary bud explant to achieve the purpose of plant regeneration, the high-quality character of a maternal plant can be kept, the possibility of variation in the culture process is reduced, the propagation coefficient of the adventitious buds is 2.8-3, the rooting rate of tissue culture seedlings is 95% or above, the requirements of factory seedling production of plant seedlings are completely met, and the method is suitable for large-scale production. High-quality seedlings can be rapidly propagated in batches, the propagation efficiency is high, the seedlings grow robustly, and the supply requirement of the cyperus esculentus is met.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES