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120 results about "Weed control" patented technology

Weed control is the botanical component of pest control, which attempts to stop weeds, especially noxious weeds, from competing with desired flora and fauna including domesticated plants and livestock, and in natural settings preventing non native species competing with native species.

Photovoltaic panel area intelligent weeding control system based on multi-mode sensing

The invention discloses a photovoltaic panel area intelligent weeding control system based on multi-mode perception, and relates to the technical field of weeding control, and the system comprises a feature extraction module which is used for collecting multispectral image data of a photovoltaic panel area and obtaining a vegetation analysis result; the cooperative control parameter determination module is used for performing path planning, generating a weeding path, performing dynamic energy distribution and determining cooperative control parameters; and the control feedback module is used for performing control feedback on the controller of the photovoltaic panel area and executing intelligent weeding operation of the photovoltaic panel area. The technical problems that in the prior art, photovoltaic panel area weed identification is not accurate, the weeding efficiency is low, energy distribution is not reasonable, the weeding effect is poor and energy is wasted are solved, and the technical effects that photovoltaic panel area weeds are accurately identified and efficiently removed, and the weeding efficiency and the energy utilization efficiency are effectively improved are achieved.
Owner:INNER MONGOLIA UNIV OF TECH

Binary herbicidal compositions comprising substituted pyrimidinecarboxylate compounds and their use

This invention belongs to the field of pesticides, specifically relating to a binary herbicidal composition comprising a substituted pyrimidine formyl compound and its application. The binary herbicidal composition includes an effective amount of active ingredient A and active ingredient B, wherein active ingredient A is active ingredient B or is Cyclopyranil. This composition effectively controls various weeds, including grasses and broadleaf weeds, and features a broadened weed control spectrum, reduced application rate, synergistic effect, and the ability to combat resistant weeds.
Owner:JIANGSU KINGAGROOT WEED MANAGEMENT CO LTD

Reasonable cultivation method for ficus tikoua bur and popularization and application

The invention discloses a ficus tikoua bur reasonable cultivation method and popularization and application, relates to the technical field of crop cultivation, and aims to solve the problems that ficus tikoua bur is unstable in root system, afraid of strong light exposure, difficult in seedling identification, low in land utilization rate and the like through reasonable cultivation time planning, soil preparation in September to November, shading cutting seedling raising in August to October and field planting in October to November. The efficient survival of the seedlings is realized by matching with the covering of degradable grass-proof cloth, the precise water and fertilizer management of drip irrigation / micro-spray irrigation and the gradual topdressing; cold-resistant dwarf crops are interplanted in the slow growing period of wild sweet potatoes from November to the beginning of summer of the next year, multiple harvest in one season is achieved, the concentrated harvesting period from June to August is matched with holiday experience type picking, and the rural economy is linked. Meanwhile, stable productivity is guaranteed through unified and standard seedling supply, non-target plant resource treatment and seedling replacement complementary planting, a production area primary processing and rural overall planning and popularization mode is matched, a complete system integrating standardized cultivation, picking experience, industrial popularization and productivity guarantee is formed, and the method is suitable for flat land and hilly land agricultural factories and rural large-scale planting; operation is easy and convenient, the productivity is controllable, and agricultural competent departments can promote standardized and industrial standardized management from the technical level.
Owner:CHONGQING HONGYIN AGRICULTURAL SCIENCE & TECHNOLOGY DEVELOPMENT CO LTD

A rice direct seeding seed coating method using iron powder as a main raw material

A rice direct seeding seed coating method with iron powder as main raw material, comprising the following steps: 1) weighing rice seeds and pouring into a coating machine, carrying out spiral mixing, spraying water on the surface of the rice seeds in the coating machine to make the surface of the rice seeds evenly wet; 2) adding raw materials to the rice seeds in the coating machine for at least two times, adding sodium carboxymethyl cellulose, calcium sulfate powder, iron powder and calcium peroxide powder in sequence in steps each time, and finally adding a fungicide; the raw material dosages are based on the weight of the rice seeds: sodium carboxymethyl cellulose 1.5-3%, calcium sulfate CaSO4·2H2O 2-6%, calcium peroxide CaO2 4-8%, iron powder 35-45%, and the fungicide 0.1-0.4%, and the water addition amount is not more than 30%; 3) spreading the coated rice seeds into a container and drying under ventilation. The present application adopts iron powder to coat the rice seeds for direct seeding, without seed disinfection, with deeper seed fall depth, improved seed germination rate, enhanced rice plant lodging resistance, and high-efficiency weed control by direct seeding in water.
Owner:BAOSTEEL METAL CO LTD

Method for simultaneously controlling weeds and growing target plants using plant material

The present application provides a method for controlling weeds and planting target plants simultaneously by using plant materials, comprising the following steps: placing plant materials on a carrier to form a plant material layer; and planting the target plants on the surface of the plant material layer and / or in the layer of the plant material layer. The present application ingeniously utilizes the synergistic effect of plant materials and water at different specific periods, and taps and utilizes the spatial steric hindrance effect of target plants on top and weeds below to control weeds, so that ideal weed control effect and ideal target plant survival rate can be obtained. The present application can simplify farm operation, save time, save labor cost, reduce energy consumption, reduce pesticide and fertilizer, and improve the quality of agricultural products. Compared with the traditional planting method of crops, the present application is a revolution of the target plant cultivation method and weed control technology, and provides an ideal solution for the development of green and organic agriculture.
Owner:ZHEJIANG UNIV

Crystal form of ammonium glyphosate and preparation method thereof

The invention relates to the technical field of pesticides, and discloses a crystal form of ammonium glyphosate and a preparation method thereof, an X-ray diffraction pattern of the crystal form of ammonium glyphosate comprises at least one characteristic peak in 2theta of 10.196 + / -0.2 degrees, 18.339 + / -0.2 degrees, 20.207 + / -0.2 degrees, 20.857 + / -0.2 degrees, 22.483 + / -0.2 degrees, 22.845 + / -0.2 degrees, 23.416 + / -0.2 degrees, 24.868 + / -0.2 degrees, 26.811 + / -0.2 degrees, 28.878 + / -0.2 degrees or 34.057 + / -0.2 degrees, and the crystal form of ammonium glyphosate is tested to have the characteristic peak of 2theta of 10.196 + / -0.2 degrees, 18.339 + / -0.2 the crystal is regular and high in stability, the control effect reaches 96.79% after the herbicide is applied for 14 days, the control effect reaches 99.05% after the herbicide is applied for 28 days, and the weeding performance is excellent.
Owner:ZHEJIANG XINAN CHEM IND GRP CO LTD

Grass hook

1. Name of the product in this design: Grass hook. 2. Purpose of this design: for weed control. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Owner:河源市公园事务服务中心

Herbicidal composition containing icafolin and use thereof

ActiveCN118452220BBiocideAnimal repellantsBULK ACTIVE INGREDIENTTribenuron-methyl
The application belongs to the technical field of pesticide weeding, and discloses a weeding composition containing icafolin and application thereof. The weeding composition contains active ingredient A and active ingredient B. The active ingredient A is icafolin, the active ingredient B is any one of benzenesulfonamides or thiophenesulfonamides, and the mass ratio of the active ingredient A to the active ingredient B is 1:2-200:4.5. The weeding composition provided by the application has high weeding activity, and the mixture of the two has superimposition effect, complementary mechanism, and an expanded weed spectrum. The weeding composition has good weed control effect in corn fields, wheat fields, peanut fields and soybean fields.
Owner:QINGDAO HENGNING BIOTECHNOLOGY CO LTD

Moisture-retaining and fertilizer-retaining weed control cloth

ActiveCN224290864USolve the problem of water shortagePlay a role in retaining water and fertilizerPlant protectionPlant rootsAgricultural engineering
The application relates to the field of cloth technology, in particular to a moisture and fertilizer preserving grass preventing cloth. The cloth body is sequentially provided with a reflecting layer, a waterproof layer, a water absorbing structure layer and a reinforcing layer from an outer surface to an inner surface, at least one water guide hole is arranged in the reflecting layer, the waterproof layer and the reinforcing layer, and the water guide hole of the reflecting layer is communicated with the water guide hole of the waterproof layer. By arranging the water guide holes communicated with each other in the reflecting layer, the waterproof layer and the reinforcing layer, and in combination with the water absorbing structure layer, effective water conduction and penetration are realized, and the problems of surface water accumulation or water shortage at plant roots caused by the lack of a water draining and ventilating mechanism of the existing grass preventing cloth are solved.
Owner:GUANGDONG YINONG NEW MATERIALS TECH CO LTD

Bipolaris yamadae (Y. Nisik.) shoemaker, and screening and identification method therefor and use thereof

A Bipolaris yamadae (Y. Nisik.) shoemaker (HXDC-1-2), and a screening and identification method therefor and use thereof. The Bipolaris yamadae (Y Nisik.) strain (HXDC-1-2) is deposited in the China General Microbiological Culture Collection Center with the accession number CGMCC No. 17778. The Bipolaris yamadae (Y. Nisik.) strain (HXDC-1-2) is applied to biological weed control when the conidial concentration is 102 conidia / ml or more.
Owner:NANJING AGRICULTURAL UNIVERSITY

Device and method for controlling diseases, pests and weeds in growing period of feeding oat

The invention discloses a device and a method for treating diseases, pests and weeds in the growing period of feeding oat, belongs to the technical field of disease, pest and weed treatment, and aims to solve the problems of low spraying efficiency, high cost and invariable cleaning of the interior of the device. According to the feeding oat growing period disease and insect pest treatment device and method, the disease and insect pest situation of an oat seedling field can be accurately recognized in real time, pesticide spraying can be conducted in real time when the disease and insect pests are found, the disease and insect pest treatment efficiency is improved, and the disease and insect pest treatment effect is improved. Therefore, pests and diseases are effectively controlled in the initial stage and prevented from further diffusing and damaging crops, meanwhile, rainwater and wind energy can be utilized for self-cleaning, pesticide residues are avoided, equipment faults and maintenance requirements caused by nozzle blockage and abrasion are reduced, maintenance cost is reduced, reliability of equipment is improved, and the service life of the equipment is prolonged.
Owner:ZHONGNONG RECLAMATION GRASS IND CO LTD

A photothermal type dark degradable paper mulch and a preparation method thereof

The application discloses a kind of photothermal dark degradable paper mulch and preparation method thereof, belong to mulch production field.The preparation method of the paper mulch includes: S1.lignite powder, alkaline substance is mixed with appropriate amount of water, heated stirring, solid-liquid separation, obtain solid-state lignite residue and lignite extraction liquid;S2.solid-state lignite residue is mixed with appropriate amount of wood pulp, water, retention and drainage aid, fully stir, obtain lignite residue filled dark wood pulp fiber;S3.with dark wood pulp fiber preparation dark base paper;S4.with lignite extraction liquid and polycondensation active compound preparation impregnation water-based resin;S5.dark base paper impregnation absorbs water-based resin, through drying, the crosslinking solidification of resin is completed in the process that paper is dried, obtain photothermal dark degradable paper mulch.Compared with prior art, the photothermal dark degradable paper mulch of the application has excellent photothermal heating performance, mechanical strength, weed control effect, soil improvement potential and full biodegradable characteristics.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES) +1

Method and Apparatus for Automated Plant Necrosis

PendingUS20260253364A1HorticultureFlower pollen
A method of weed control is provided. The method comprising: (a) determining development of flowers of at least one weed species of interest; and (b) artificially pollinating at flowering the flowers of the at least one weed species of interest with pollen that reduces fitness of the at least one weed species of interest. Also provided are systems for executing the method.
Owner:DEERE & CO

Inhibitory compounds targeting homogentisate solubilase and uses thereof

ActiveCN119684092BBiocideOrganic chemistryAgricultural chemistsTransferase
The present application relates to the field of agricultural chemistry and environmental protection, in particular to a kind of with homogentisic acid solanonyl transferase (HST) as molecular target inhibitory compound and its application.A kind of with homogentisic acid solanonyl transferase as molecular target inhibitory compound, it is characterized in that: compound is the compound shown in the following structure, in the formula, R1, R2, R3 And R4 Respectively Br.The compound has significant inhibitory effect on phytoplankton growth at low concentration, and shows strong herbicidal effect on weeds such as eustreptosin and portulaca oleracea.The AlphaFold prediction analysis further confirms that these compounds inhibit the synthesis of plastoquinone by binding with HST, thereby effectively interfering with photosynthesis.The present application can be applied to algae and weed control in agriculture and aquaculture, and has wide application prospect.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI

Robotic weed control apparatus and method

An apparatus for weed removal includes a chassis and at least two end effectors mechanically coupled to the chassis, each end effectors including a rotary axle, each rotary axle coupled to a drive unit for receiving a mechanical force to cause the rotary axle to rotate. The rotary axles, along with weed abrasion members coupled thereto, are at least partially covered by a deflector. A front end effector is configured to dislodge a crown and / or stem portion of unwanted plant material from the ground, while another end effector is configured to convert the unwanted plant material that has been dislodged from the ground into mulch.
Owner:GREENFIELD ROBOTICS CORP

Additive ingredients of synergists and surfactants provided in a single-use transporter preferably for use with weed control, insect control and mold removal compositions

PendingUS20260198490A1BiotechnologyAdditive ingredient
An additive transporter, housing additive ingredients of synergists and surfactants preferably for use in a natural, weed control application, insect control application, algae removal and / or mold removal end-use application. In certain non-limiting embodiments, the transporter can be fluid soluble. Where the transporter is fluid soluble it can be added to a container / bottle having a desired amount of water and organic acid or inorganic acid causing the transporter to dissolve and release the additive ingredients for mixing with the water and organic acid. Preferably, the additive or product enhancer ingredients can be organic ingredients and can comprise, without limitation, citric acid, potassium oleate, wintergreen oil and almond oil. Potassium citrate can also be included. As the transporter dissolves the released ingredients mix with organic acids and / or inorganic acids to provide an end-use composition for eco-friendly weed control, insect control, algae removal and / or mold removal. Though not considered limiting, the transporter can be in the form of a pod, packet, pouch, capsule, carton, or cardboard / plastic / metal container.
Owner:ECOSAVEEARTH INC

Unmanned aerial vehicle laser weeding control method for photovoltaic power station based on visual detection

The invention belongs to the technical field of intelligent control, and provides an unmanned aerial vehicle laser weeding control method for a photovoltaic power station based on visual detection, which comprises the following steps: acquiring an on-site weed image and power station topographic data of the photovoltaic power station; based on a pre-constructed weed recognition model, performing visual detection on the field weed image to obtain a recognition result of abnormal weeds shielding the photovoltaic panel; according to the abnormal weed recognition result and the topographic data of the power station, laser operation parameters and a target weeding path of unmanned aerial vehicle laser weeding equipment are determined; the unmanned aerial vehicle laser weeding equipment is controlled to reach the weeding position according to the target weeding path, and a weeding task is executed according to the laser operation parameters. According to the scheme provided by the invention, by fusing visual detection, unmanned aerial vehicle autonomous control and laser technologies, precise and intelligent upgrading of weed control of the photovoltaic power station is realized, and the efficiency, safety and reliability of the weeding link of the photovoltaic power station are improved.
Owner:CHINA HUANENG RENEWABLES CORP LTD HUBEI +1

Weed control and fertilization integrated device for millet planting

The invention relates to the technical field of agricultural machinery, in particular to a weed control and fertilization integrated device for millet planting, which comprises a rack and two rows of moldboards arranged on the rack, a plurality of discharging boxes which are distributed in a linear array mode and correspond to the moldboards are arranged on the bottom face of the fertilizer hopper in a penetrating mode, a fertilizer applying assembly used for applying fertilizer is arranged on each discharging box, a fertilizer uniformizing assembly used for adjusting the fertilizer applying amount is arranged on the inner side of each discharging box, and an adjusting structure used for operation of workers is arranged on each fertilizer uniformizing assembly. The adjusting structure drives the baffle and the shielding plate to slide in the quantitative groove, the volume of the quantitative groove can be flexibly changed, the fertilization amount can be accurately adjusted, the fertilizer input amount can be accurately controlled according to dynamic parameters such as soil fertility and the crop growth stage, resource waste and soil hardening caused by excessive fertilization are avoided, and the fertilization efficiency is improved. Meanwhile, the crop yield is prevented from being influenced by insufficient fertilization, and the fertilization accuracy and efficiency are improved.
Owner:SHANXI AGRI UNIV

Additive ingredients of synergists and surfactants provided in a single-use transporter preferably for use with weed control, insect control and mold removal compositions

ActiveUS12568962B2BiocideFungicidesBiotechnologyAdditive ingredient
An additive transporter, housing additive ingredients of synergists and surfactants preferably for use in a natural, weed control application, insect control application, algae removal and / or mold removal end-use application. In certain non-limiting embodiments, the transporter can be fluid soluble. Where the transporter is fluid soluble it can be added to a container / bottle having a desired amount of water and organic acid or inorganic acid causing the transporter to dissolve and release the additive ingredients for mixing with the water and organic acid. Preferably, the additive or product enhancer ingredients can be organic ingredients and can comprise, without limitation, citric acid, potassium oleate, wintergreen oil and almond oil. Potassium citrate can also be included. As the transporter dissolves the released ingredients mix with organic acids and / or inorganic acids to provide an end-use composition for eco-friendly weed control, insect control, algae removal and / or mold removal. Though not considered limiting, the transporter can be in the form of a pod, packet, pouch, capsule, carton, or cardboard / plastic / metal container.
Owner:ECOSAVEEARTH INC

Cableway prevention and control system for diseases, insects and weeds

The invention relates to the technical field of agricultural engineering, and discloses a disease, insect and weed cableway prevention and control system which comprises a lower layer shell, an upper layer shell is installed on the upper surface of the lower layer shell, a hinge is installed between the lower layer shell and the upper layer shell, and a fixing assembly is further arranged between the lower layer shell and the upper layer shell. A second baffle is fixedly connected to the interior of the lower layer shell, first baffles are installed in the lower layer shell and the upper layer shell, a first sliding rod is slidably connected to the interior of the lower layer shell, a first spring is arranged at one end of the first sliding rod, the exterior of the first spring is arranged in the lower layer shell, and a motor is fixedly connected to one end of the first sliding rod. Through cooperation of the first spring and the first sliding rod, the motor and the rotating wheel can be driven to be tightly attached to the cableway all the time, the adaptability of the system to the complex cableway environment is effectively improved, the installation and operation difficulty is reduced, meanwhile, convenient opening and closing of the upper-layer shell and the lower-layer shell are achieved through the hinge, and cableway installation operation at high altitude and under complex terrains is greatly simplified.
Owner:GUANGDONG VOCATIONAL COLLEGE OF SCI & TRADE

Weed Control Device and Method

The present invention relates to a weed control module. The module includes a first roller. A second roller is provided for locating adjacent the first roller to cause damage to weeds passing between the rollers and / or under the rollers. Advantageously, the weed control module may be used to achieve weed control by stressing and maiming the weeds and in doing so, using the weeds as sacrificial vegetation that, secondary to their control through death or maiming, sacrificially assist the growth of planted crops. Advantageously, the weed control module may achieve weed control without ploughing and without the application of herbicides.
Owner:BLUEVAULT PTY LTD

Method for classifying invasive plants using drone orthophotos, method for mapping the distribution of invasive plants using the same, and method for weed control using the same

ActiveKR102992662B1BiotechnologyDrone
A method for classifying disturbing plants using drone orthophotos is disclosed, and the method for classifying disturbing plants using drone orthophotos may include: (a) forming a drone orthophoto in which a target area is shown during a preset period; and (b) determining a candidate object of a disturbing plant from the drone orthophoto as the disturbing plant.
Owner:이상화 +1

Weeding devices for paddy fields

To provide a weed control device for rice paddies that further improves power generation efficiency and prevents a decrease in work efficiency caused by power shortages. [Solution] A weeding device for paddy fields 100 is configured to automatically travel across a field, comprising a float body 101 with a solar panel 102 positioned on its upper part, a screw propulsion mechanism 103 equipped with a screw positioned on its lower part, and further comprising a positioning device s1 for acquiring location information and a timing unit s4 for acquiring timing information, It is equipped with a solar azimuth calculation unit C1 that calculates the sun's azimuth and elevation angle based on acquired location information and timing information. The solar panel 102 is installed at an angle to the float body 101. The above problem is solved by a paddy field weeding device 100 that controls the direction of travel so that the azimuth of the sun SN calculated by the solar azimuth calculation unit C1 and the elevation direction Fg of the solar panel 102 are facing the same direction during automatic driving.
Owner:ISEKI & CO LTD

Herbicidal agent composition and weed control method

ActiveUS12564192B2BiocideAnimal repellantsFatty Acid Synthesis InhibitorsAcetolactate synthase
Provided are a herbicidal composition and a method for controlling weeds that have a superior weed controlling effect. The present herbicidal composition comprises one or more uracil compounds selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II), and one or more compounds selected from the group consisting of the herbicide compound group B and the safener group C, wherein a weight ratio of the uracil compounds to one or more compounds selected from the group consisting of the herbicide compound group B and the safener group C is 1:0.02 to 1:50, and the herbicide compound group B is the group consisting of the following B-1 to B-12 below: B-1, acetolactate synthase inhibitors; B-2, acetyl CoA carboxylase inhibitors; B-3, protoporphyrinogen IX oxidase inhibitors; B-4, 4-hydrophenylpyrubic acid dioxygenase inhibitors; B-5, phytoene desaturase inhibitors; B-6, photosystem II inhibitors; B-7, very-long-chain fatty acid synthesis inhibitors; B-8, microtubule formation inhibitors; B-9, auxin-type herbicides; B-10, enolpyruvylshikimate-3-phosphate synthase inhibitors; B-11, glutamine synthase inhibitors; and B-12, other herbicides; (including agriculturally acceptable salts or derivatives thereof).
Owner:SUMITOMO CHEM CO LTD

Binary herbicidal compositions comprising substituted pyrimidine formyl compounds and HPPD inhibitor herbicidal compounds and their applications

PendingCN122296303AActive ingredientPoaceae
This invention belongs to the field of pesticides, specifically relating to a binary herbicidal composition comprising a substituted pyrimidine formyl compound and an HPPD inhibitor herbicidal compound, and its application. The binary herbicidal composition includes an effective amount of active ingredient A and active ingredient B, wherein active ingredient A is an active ingredient B, and active ingredient B is an HPPD inhibitor herbicidal compound selected from pyraclostrobin. This composition effectively controls various weeds, including grasses and broadleaf weeds, and features a broadened weed control spectrum, reduced application rate, synergistic effect, and the ability to combat resistant weeds.
Owner:JIANGSU KINGAGROOT WEED MANAGEMENT CO LTD

Method and device for minimizing the risk of fire and use of a device suitable therefor

A device for minimizing the risk of fire in weed control applications, provides that arcs are detected by analyzing characteristic partial discharge or current and voltage values, which are prevented by round, channel-less geometries, the use of a depth electrode or the use of high ground contact pressures, which are extinguished by extinguishing mats or liquid spraying on the treated and / or surrounding surface before, during or after the high voltage treatment.
Owner:ZASSO GRP AG

Degradable weed-proof cloth for forest seedling raising

The invention discloses degradable weed-proof cloth for forest seedling raising, and belongs to the field of weed-proof cloth. Comprising a weed-proof cloth body, an adjusting seat is fixedly connected to the upper surface of the weed-proof cloth body, screw rods are rotationally connected to the two sides of the interior of the adjusting seat through rotating shafts, screw sleeves are installed on the outer side walls of the screw rods in a threaded mode, and adapter pieces are fixedly connected to the upper surfaces of the screw sleeves; traction plates are rotationally connected to the front and the rear of the upper surface of the adapter plate through rotating shafts; pressing strips are arranged on the upper surface of the grass-proof cloth body and located in front of and behind the adjusting seat. The lower surface of the traction plate is rotationally connected with the upper surface of the pressing strip through a rotating shaft; the edge of the weed-proof cloth is effectively pressed and fixed, the weeding stability is improved, and the device can drive the pressing strip to be unfolded towards the edge of the weed-proof cloth and tightly attached to the surface of soil by rotating the rotary knob through cooperation of the adjusting base, the screw rod, the threaded sleeve, the traction plate and the pressing strip.
Owner:HENAN LIAI AGRICULTURE & FORESTRY TECHNOLOGY DEVELOPMENT CO LTD

Weed control sheet fasteners

This product is used as a fastening device when laying weed control sheets, for example. It consists of a rectangular fastening plate with a V-shaped return on the center of the back surface, integrated with a sharp, stake-like tip. Tunnel shapes are provided on both sides from the center of the rectangular fastening plate. These tunnel shapes provide a spring effect to press the laid sheet more firmly.
Owner:MINE CO LTD

Microcapsule composition, method for manufacturing same, agrochemical formulation comprising same and weed control method

ActiveUS12672652B2PolyesterOil phase
The present invention aims to provide a microcapsule composition that enables reduction or prevention of injury of useful plants caused by pyroxasulfone, a production method therefor, an agrochemical formulation containing the same, and a weed control method. A microcapsule composition including pyroxasulfone and a polyester block copolymer encapsulated therein, an agrochemical formulation containing the same, and a weed control method are provided. A method of producing the microcapsule composition, the method including: an emulsifying dispersion step of performing high-speed stirring of pyroxasulfone crystal particles, a polyester block copolymer, isocyanate, oily phase, and aqueous phase at a peripheral speed of 10,000 to 50,000 mm / s to allow emulsifying dispersion of the oily phase in the aqueous phase, to form emulsion particles of the oily phase; and a membrane formation step of forming a membrane on at least the surface of the emulsion particles of the oily phase formed by the emulsifying dispersion step; is also provided.
Owner:KUMIAI CHEM IND CO LTD