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71 results about "Weedkiller" patented technology
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Release-controlled medicine fertilizer composition and preparation method thereof
InactiveCN109438071AImprove fertilizer efficiencyImprove weed control effectBiocideAnimal repellantsBULK ACTIVE INGREDIENTSolvent
The invention provides a release-controlled medicine fertilizer composition and a preparation method thereof. The medicine fertilizer composition is prepared from the following raw materials in percentage: 5 to 30 percent of weeding agents, 5 to 40 percent of fertilizers, 10 to 30 percent of surfactants, 0.5 to 3 percent of photoinitiators, 5 to 20 percent of prepolymers and the balance of solvents. The medicine fertilizer composition has the advantages that the medicine does not need to be prepared into a microcapsule preparation; and through the addition of the specific photoinitiator to bemixed with the prepolymers, medicine fertilizer can perform spontaneous reaction under the illumination condition after spraying use so as to form the medicine fertilizer composition with a slow-release effect. The medicine fertilizer active ingredient stability and effect-lasting period are improved.
Owner:四川赛华睿科技有限责任公司
Solution introduction system for watering installations
Owner:WHITE DAN
Grass cultivation method of fiery dragon fruit garden
InactiveCN104620812AEfficient use ofIncrease profitPlant cultivationCultivating equipmentsEconomic benefitsGreen manure
The invention discloses a grass cultivation method of a fiery dragon fruit garden. After grass cultivation is adopted in the fiery dragon fruit garden, weed killer is not needed, so pollution to the environment can be reduced, and soil fertility can be improved. Planted grass can serve as green manure or be used for feeding livestock; accordingly, after the cultivation steps like sowing, tillage and weeding, fertilizer and water management and green plant cutting are carried out on the grass in the fiery dragon fruit garden, the grass in the fiery dragon fruit garden can be artificially cultivated and can be fully utilized. The method has the advantages of being easy to master and implement, good in implementation effect and capable of improving the utilization rate of the grass of the fiery dragon fruit garden, meeting market requirements, increasing economic benefits and increasing incomes of farmers.
Owner:GUIZHOU FRUIT INST
Process-machine integral cultivation method for cultivating potatoes in northern dry land
InactiveCN104322238AChange the way of productionImprove ergonomicsPlant cultivationCultivating equipmentsSprayerInsect pest
The embodiment of the invention provides a process-machine integral cultivation method for cultivating potatoes in a northern dry land, and relates to the field of potato cultivation. Through adoption of the method, the benefit can be increased, and the cost can be saved. The method comprises: land selection; variety selection and potato seed treatment; fertilization; seeding: seeding by using a double-line potato planter integrating ditching, fertilization, seeding, suppression, film mulching and earthing; performing intertillage and ridging: performing mechanical intertillage and ridging twice: the first intertillage and ridging is performed during earth ejection of seedlings and comprises the steps of performing intertillage in furrows by adopting a rotary tillage earth adding machine, earthing up and pressing a film simultaneously, and adding 5 centimeters of earth, wherein the distance between a furrow and the ridge top is up to 12 centimeters, the ridge top is 50 centimeters in width, and the ridge bottom is 100 centimeters in width; spraying a soil enclosing weed killer by using a spray rod sprayer; the secondary cultivation and banking is performed by adopting a intertillage fertilizer distributor at the squaring stage of plants, wherein the ridging height is 5 centimeters, and potato seeds are 20 centimeters away from the earth surface; preventing and controlling plant diseases and insect pests; harvesting by using a machine.
Owner:HIGH LATITUDE CROPS INST TO SHANXI ACADEMY OF AGRI SCI
Weeding moisturizing material, weeding moisturizing cloth and preparation method
ActiveCN102986490AGrowth inhibitionFast growthSynthetic resin layered productsNon-woven fabricsFiberPolyethylene terephthalate
The invention discloses a weeding moisturizing material, a weeding moisturizing cloth and a preparation method. A weed killer is loaded on a non-woven fabric with polyethylene terephthalate (PET) as a raw material and composited with a super absorbent resin to form the weeding moisturizing material; according to the weeding moisturizing cloth, a bottom layer is a non-woven geotextile fabric, an upper layer is the non-woven fabric which is loaded with the weed killer and uses the PET as the raw material, a middle layer is the super absorbent resin, and the three layers are punctured and composited to form the weeding moisturizing cloth; and the preparation method of the weeding moisturizing cloth includes that the PET is spun into as-spun fibers, the obtained as-spun fibers are drafted and subjected to air flow spinning jet to form a fiber mesh, the obtainer fiber mesh is subjected to punching strengthening, an aqueous solution of weed killer is sprayed on the surface of the fiber mesh, the fiber mesh is dried to obtain the non-woven fabric which is loaded with the weed killer and uses the PET as the raw material, and the obtained three materials of the non-woven fabric, the super absorbent resin and the non-woven geotextile fabric are punctured and composited to form the weeding moisturizing cloth. The weeding moisturizing material and the weeding moisturizing cloth have the advantages that the weeding and moisturizing effects are good, the seedling raising costs are lowered, the weeding moisturizing material and the weeding moisturizing cloth are environment-friendly, and water and soil can be conserved. The preparation method of the weeding moisturizing cloth is simple, low in costs and capable of achieving massive industrialized production.
Owner:长沙建益新材料有限公司
Parallel arm weeding robot and weed weeding method
The invention discloses a parallel arm weeding robot and a weed weeding method. A weed identification control device is fixedly arranged at the top end of a self-propelled driving device, a camera isarranged at one end of the self-propelled driving device in the advancing direction, the collecting end of the camera vertically faces the walking ground, and the camera is electrically connected withthe weed identification control device; a Delta arm parallel driving weeding device electrically connected with the weed identification control device is fixedly arranged at the bottom end of the self-propelled driving device corresponding to the weed identification control device and used for receiving weed position information sent by the weed identification control device to perform weed weeding operation. In the field walking process of the weeding robot, the camera collects field image information, the weed identification control device receives the image information, determines the weedposition and controls the Delta arm parallel driving weeding device to accurately remove weeds in the field, pollution caused by herbicide weeding is avoided, and compared with manual weeding, the weeding efficiency is improved.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
Herbicide and pesticide carrier
Owner:ADAMS RANDY L +1
Insect and herbicide resistant maize transformation event
ActiveCN110144363AMicrobiological testing/measurementClimate change adaptationResistant genesGenetically modified maize
The application provides an insect and herbicide resistant maize transformation event, and provides a related creation method, detection method and application. In this application, a maize inbred line Xiang 249 is used as a receptor, and agrobacterium-mediated genetic transformation is performed to obtain a maize plant into which an exogenous gene insert is inserted at a specific genomic site, wherein the exogenous gene insert comprises the following three genes: an insect resistant gene, a glufosinate resistant gene and a glyphosate resistant gene. In the transformation event obtained in theapplication, the inserted exogenous gene is located at a non-functional site of the maize genome, and does not affect the expression of other genes of the recipient plant itself, so the transgenic maize plants maintain good agronomic traits while obtaining insect and herbicide resistance.
Owner:CHINA NAT SEED GRP
Weeding machine based on unmanned aerial vehicle
InactiveCN107231880AFast and effective weed controlImprove cutting efficiencyAircraft componentsMowersAgricultural engineeringUncrewed vehicle
The invention discloses a weeding machine based on an unmanned aerial vehicle. The structure of the weeding machine based on the unmanned aerial vehicle comprises an automatic inclinator, an engine controller, an unmanned aerial vehicle controller, a fixed locking block, a weeding control device, a rotary wing, a fixed bolt, a rotary shaft, a balanced stabilizer bar, a liquid storer and a liquid spray tank. The automatic inclinator is connected to the engine controller through the fixed locking block; the unmanned aerial vehicle controller is connected to the liquid storer; the unmanned aerial vehicle controller is connected to the weeding control device; the rotary wing is connected to the balanced stabilizer bar through the fixed bolt; and a rotary shaft rotating speed controller is arranged on a bracket rod and is connected to a cutting knife through the rotary shaft. According to the weeding machine based on the unmanned aerial vehicle disclosed by the invention, the weeding control device is arranged in the structure to adjust the angle of the cutting knife of the weeding machine, so that the cutting efficiency of the weeding machine on grass is increased, and the weeding efficiency is increased; and the liquid storer is mounted on the equipment, so that a herbicide can be stored and can be sprayed to weeds, and therefore, the regenerating speed of the weeds is alleviated.
Owner:广州市妙伊莲科技有限公司
Recycling method for inorganic salt in wastewater of phenoxy carboxylic acid weed killer
ActiveCN103754966AHigh purityReduce wasteWater/sewage treatment by heatingAlkali metal chloridesInorganic saltsSocial benefits
Owner:SHANDONG WEIFANG RAINBOW CHEM
Scratching smearing type weed removal device with targeted localization function
The invention discloses a scratching smearing type weed removal device with a targeted localization function. The scratching smearing type weed removal device with the targeted localization function comprises a parallel operation part and a scratching smearing tool, wherein the parallel operation part comprises a servo motor, a driving arm, a driven arm, a telescopic rotating shaft, a connecting rotating shaft, a cross type universal joint and a load bearing tray; and the core parts of the scratching smearing tool are a scratching cutter head and a sponge smearing disc. According to the theory of plant physiology, a weed killer directly entering into weed bodies gives play to a relatively great pesticide effect, and therefore, the scratching smearing type weed removal device artificially scratches weeds and smears the weed killer on the cutting edges of the weeds so as to accelerate the absorption and conductive process of the weed killer in the weed bodies, improves the pesticide effect and reduces the dosage of the weed killer.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY
Environmental-protection quick thermo-osmosis dual-contact weedicide
InactiveCN1891047APrevent breeding spreadPlay a role in complex precipitationBiocideAnimal repellantsAluminium sulfateParaquat
The present invention relates to an environment-protecting type quick thermossmosis double-contact weedkiller. Said weedkiller is made up by using paraquat, glyphosate, hydrogen peroxide, aluminium sulfate, magnesium sulfate, sodium sulfate and osmotic agent JFC through a certain preparation process. Said invention also provides its preparation process.
Owner:叶允敏 +5
Weeding composition containing MCPA and dicamba as well as preparation method and application of same
The invention discloses a weeding composition containing MCPA (2-methyl-4-chloro-phenoxyacetic acid) and dicamba. The weeding composition comprises raw material medicines and auxiliary materials, wherein the raw material medicines comprise 2-methyl-4-chloro-phenoxyacetic acid and dicamba. The invention further discloses a preparation method and an application of the weeding composition. Compared with the prior art, by mixing effective components of weed killers, the weeding composition has the benefits of expanding weeding spectrum, improving weeding effect, prolonging the suitable period of drug application, reducing drug harm, reducing activity of drug residue, holding over generation and development of drug resistance of the weed killers, and having an important ecological and environmental protection significance.
Owner:SHANDONG WEIFANG RAINBOW CHEM
Anti-splashing herbicide sprayer for navel orange planting
ActiveCN109430232AAvoid driftingEvenly distributedTransportation and packagingRotary stirring mixersEngineeringCam
The invention relates to a sprayer, in particular to an anti-splashing herbicide sprayer for navel orange planting. The provided anti-splashing herbicide sprayer for navel orange planting aims at achieving the purposes that the weeding effect is good and damage caused to navel orange trees can be avoided. According to the technical scheme, the anti-splashing herbicide sprayer for navel orange planting comprises a box body, a pusher, a liquid inlet pipe, a plug, universal wheels, a wheel body, a vertical plate, a guide sleeve, a guide rod, a limiting plate, a first spring, a cutter, a contact wheel, a cam and the like; the L-shaped pusher is connected to the upper left side of the box body, the liquid inlet pipe for adding water and herbicide is fixedly connected to the left side of the topof the box body, the plug is arranged in the liquid inlet pipe, and the two universal wheels facilitate steering. Through the cooperation between the cutter and a rolling cylinder, weeds can be pressed down so that the herbicide-containing water can flow to the roots of the weeds, and therefore weeding is more effective; moreover, an atomizing nozzle faces the ground so that the herbicide-containing water can be prevented from splashing on the navel orange trees, and correspondingly the damage caused to the navel orange trees can be avoided.
Owner:江西璞实生态农业有限公司
High-yield and cost-saving simple cultivation method for large-group small-entity summer sowing foxtail millet
InactiveCN104365327AImprove lodging resistanceConforms to the "mass hair" growth and development lawCultivating equipmentsPlant cultivationSeederBulrush millet
The invention provides a high-yield and cost-saving simple cultivation method for large-group small-entity summer sowing foxtail millet. The high-yield and cost-saving simple cultivation method aims at achieving the mechanical wide-ridge plantation, simplifying procedures and reducing cost. The method includes the steps of selecting a ten-line wheat seeding machine with the sowing width of 200 cm; sequentially blocking seed discharge holes of the ten-line wheat seeding machine in an alternate mode from left to right, wherein the average line spacing is 40 cm; grasping the effective rainfall opportunity after the wheat harvest to complete the rotary tillage procedure, the sowing procedure and the pressing procedure at a time through the wheat sowing machine before the last ten days of June for the regions which have the accumulated temperature larger than or equal to 10 DEG C and have the temperature of about 1800 DEG C to 2000 DEG C during the period between the time when the wheat harvest is completed and the first ten days of October; spraying weed killers after sowing and before emergence or after emergency; adopting the thinning-free and final singling method when 3 to 5 main leaves appear on each millet seedling; conducting topdressing with 10 kilograms of urea in each mu at the elongation state through an intertillage soil moisture preservation and topdressing machine; conducting harvesting through a wheat harvester; reducing the speed of a draught fan system of the wheat harvester till grains can not be blown away.
Owner:WHEAT RES INST OF AGRI SCI
Double-cropping-a-year peanut high-multiple cultivation method
ActiveCN103858656AEnsure temperatureEnsure humidityBiocidePlant growth regulatorsPlastic mulchEthephon
The invention relates to a double-cropping-a-year peanut high-multiple cultivation method. The method comprises the following steps that a field parcel is selected and deeply ploughed before winter, shallow ploughing is conducted before seed sowing next year, ridging is performed on the middle ten days of March, and the field parcel is covered with a mulching film after a weed killer is sprayed; seed sowing for first cropping is conducted when the temperature reaches over 15 DEG C one week after the field parcel is covered with the mulching film, holes are punched in the mulching film for seed sowing, and plastic arched sheds are built above seed sowing areas; all the arched sheds are removed when the outside air temperature stably ranges from 23 DEG C to 26 DEG C in mid-to-end May, and the first cropping is conducted on the last ten days of June; fresh seeds after the cropping are soaked with ethephon for 24 hours, seed sowing for second cropping is conducted, land leveling after the peanut cropping is conducted, ridging, mulching film coverage and seed sowing are conducted, and the second cropping is conducted in mid-to-end October. According to the double-cropping-a-year peanut high-multiple cultivation method, the double-cropping propagation coefficient can reach 150-210 times, the seed breeding process can be accelerated, seed breeding efficiency is improved, and seed breeding cost is lowered. The double-cropping-a-year peanut high-multiple cultivation method has the advantages of being easy and convenient to implement, low in cost, good in effect, high in success rate and the like, and provides a novel technique for large-area low-cost high-quality peanut seed breeding in the northern China.
Owner:HENAN ACAD OF AGRI SCI
Topramezone and mesotrione compounded weed killer
ActiveCN103430948APrevent flocculationPrevent mutual condensationBiocideAnimal repellantsBiotechnologyAnimal science
Owner:河北博嘉农业有限公司
Postemergence weedicidal composition for crops
InactiveCN103518738AImprove herbicidal activityReduced resistance generation rateBiocideAnimal repellantsToxicologyWeedkiller
The invention relates to a postemergence weedicidal composition for crops. The postemergence weedicidal composition for the crops has the active components of mesotrione and atrazine in a weight ratio of 15:38. The postemergence weedicidal composition for the crops has the advantages as follows: 1) high weedicidal activity: the postemergence weedicidal composition can kill weeds by two different mechanisms and reduce the resistance generating speed of the weeds, and the two components are synergistic, thus greatly improving the weedicidal activity of the weedicide; 2) broad weedicidal spectrum and long duration: the two weedicides have different weedicidal spectra, the postemergence weedicidal composition prepared by mixing the two weedicides in a specific mixing ratio combines the weedicidal spectra and activities of the two weedicides, so that the postemergence weedicidal composition has a wider weedicidal spectrum and longer duration; 3) delaying of weed resistance: the postemergence weedicidal composition can significantly improve the effect of controlling various resistant weeds, delay the generation of drug resistance of the weeds and prolong the service life of the weedicide; and 4) high safety: the postemergence weedicidal composition is applied to postemergence weeding in a corn field, can control various grassy or broadleaf weeds in the corn field, and is safe to corns and afterreap crops on the premise of improving the weedicidal effect.
Owner:李长敏
Synthesis method of s-triazine clean-series weedicide
ActiveCN104628666ASolve process problemsSolve complexityOrganic chemistryHerbicides and algicidesPtru catalystEconomic benefits
The invention discloses a synthesis method of an s-triazine clean-series weedicide. An s-triazine Jin-series weedicide and sodium methyl mercaptide used as raw materials are synthesized under closed conditions to obtain the s-triazine clean-series weedicide technical toxicant. The method solves the problems of uncontrollable smell, complex wastewater treatment and the like in the existing technique, enhances the reaction efficiency and yield, lowers the power and raw material consumption, lowers the production cost, and has the advantages of accessible reaction raw materials, closed reaction process, controllable smell, no use of catalyst, environment friendliness, high controllability, high efficiency and the like; and the obtained product has high quality and high yield, has wide application range, and can bring in considerable economic benefits and social benefits after implementing industrialization.
Owner:SHANDONG WEIFANG RAINBOW CHEM
Solution introduction system for watering installations
InactiveUS20020139866A1Fire rescuePressurised distribution of liquid fertiliserLiquid stateWater flow
A solution fertilizer introduction system for use with automatic lawn watering systems which include an attachment arrangement for introducing liquid fertilizers to underground lawn watering systems. The system may also be used with other chemicals such as weed killers, bug killers or the like that are available in a liquid state for application to lawns. The system includes a quick connect arrangement from the supplied material source to the watering system for removal and replacement of the same and a flow measuring device for correlating the additive introduction or flow to water flow with metering and timing devices for controlling the additive to produce a desired lawn. A microprocessor may be utilized for control of the additive.
Owner:WHITE DAN
Garden nursery weed killer and use method thereof
The present invention discloses a garden nursery weed killer, which comprises the following raw materials by weight: 20-40% of metolachlor, 10-20% of pendimethalin, 2-8% of oxyfluorfen, and 43-58% of an auxiliary agent, wherein the use of the garden nursery weed killer can adopt preemergence spraying or postemergence killing. According to the present invention, the garden nursery weed killer adopts the vegetable oil as the solvent so as to provide characteristics of no pollution, neutral and slightly acidic pH value, excellent stability and good buffer property; the garden nursery weed killer does not contain harmful metals and hormone substances, such that the use is safe; the characteristic that the agent is only fixed on the surface soil layer (about 1-2 cm) and is not leached into the deep layer is adopted, such that the weed seeds capable of germinating in the surface soil layer are killed or inhibited, and the crop seeds can normally sprout and grow due to protection of the soil covering layer; and with the garden nursery weed killer, normal growth of crops can be ensured, the persistent period on the sandy soil ground can achieve 35-40 days, the persistent period on the clay ground can achieve 60-70 days, and 2-4 leaf stage weeds can be killed after sowing and seedling emergence.
Owner:LINYI FENGBANG AGRI SCI & TECH
2-thiazolyl acrylonitrile compounds and synthesis and application thereof
The invention discloses 2-thiazolyl acrylonitrile compounds and a synthesis method and application thereof. The structure of the 2-thiazolyl acrylonitrile compounds is shown in a formula (I), wherein R is phenyl. The synthesis method for the 2-thiazolyl acrylonitrile compounds comprises the following steps: performing nucleophilic substitution reaction on 2-cyanomethyl-4-(2', 6'-difluoropheny) thiazole shown in a formula (II) and acyl chloride shown in a formula (III) in the presence of an acid binding agent in a protic organic solvent or non-protonic organic solvent at the temperature of between 0 and 100 DEG C for 1 to 20 hours to obtain reaction liquid; and processing the reaction liquid to obtain the 2-thiazolyl acrylonitrile compounds. The 2-thiazolyl acrylonitrile compounds can be used as weedicides and bactericides, and new substances are added for screening the weedicides and bactericides.
Owner:ZHEJIANG UNIV OF TECH
Method for direct seeding rice in shallow paddy field
InactiveCN104663337AThe rate of seedling turning into root is highIncrease productionSeed and root treatmentRice cultivationSoil sciencePaddy field
The invention discloses a method for direct seeding rice in a shallow paddy field. The method for direct seeding rice in the shallow paddy field includes the procedure that firstly, soaking seeds in advance till sprouting; secondly, plowing the paddy field to a horizontal state, and forming a mud layer at the surface; thirdly, spreading fertilizer in the paddy field plowing process; fourthly, broadcasting seed buds after plowing the paddy field; fifthly, controlling the water amount after broadcasting, and spraying weed killer. The method for direct seeding rice in the shallow paddy field is easy and fast to operate, the seedling survival percentage of the broadcast rice seed buds is high, the drought resistance ability is strong, the flood control capability is strong, and the rice yield is high.
Owner:庞群
Method for rapidly detecting pest resistance of barnyard grass
ActiveCN104267152ADetect drug resistanceAntimicrobial Resistant High Volume and AccurateMaterial analysisBiotechnologyNutrient solution
The invention discloses a method for rapidly detecting the pest resistance of barnyard grass. The method comprises the following steps: (1) collecting barnyard grass seeds sensitive to a weed killer, wherein the barnyard grass seeds sensitive to the weed killer as materials; (2) culturing the barnyard grass, namely breaking the dormancy of the barnyard grass seeds collected in the step 1, firstly soaking the seeds by using potassium nitrate for germination, putting germinated barnyard grass into a nutrient solution and culturing until two leaves grow for spare use; and (3) treating the barnyard grass, namely sticking the barnyard grass with the two leaves in the step (2) on a plastic board, then putting the barnyard grass into weed-killer liquors with different gradient concentrations, soaking for 30 minutes, then taking out, naturally drying, putting into the nutrient solution for culturing continuously for 15 days, evaluating the change of the color of the leaves, the growth of new leaves and the development of the root system of the barnyard grass, and surveying the death rate of the barnyard grass, so as to obtain the screening concentration of the weed killer; and therefore, whether the barnyard grass generates the resistance to the weed killer can be rapidly detected. The method disclosed by the invention can be used for detecting a large batch of barnyard grass samples one time, and has the advantages of short time, accuracy and reliability.
Owner:HUNAN PLANT PROTECTION INST
Artificial-intelligence-technology-based multi-spray-path precise toward-target weeding module with controlled spray span
PendingCN111387169AReduce pollutionReduce usageTelevision system detailsMachine supportsField cropAgricultural science
The invention discloses an artificial-intelligence-technology-based multi-spray-path precise toward-target weeding module with a controlled spray span, and relates to the field of agricultural machinery. The artificial-intelligence-technology-based multi-spray-path precise toward-target weeding module with the controlled spray span is specifically applied to intelligent field weeding of multiple kinds of crops of the field of agriculture. The module is used for multiple kinds of carrying platforms, and fast plug-in mounting can be achieved. The device is suitable for field weeding of the multiple kinds of field crops in different growth cycles. According to the device, a lightweight convolutional neural network is adopted for recognizing weed information, so that bases are provided for agent type selection, target spray parameters and flows, the pressure, automatic optimization of spray head angles and sedimentation region planning. A multi-channel target spray unit can spray differenttypes of weed killers onto different types of weeds, a synchronous belt sliding table drives spray heads to transversely move to conduct precise toward-target spray on the weeds, and a spray range can be adjusted according to the size of weed groups. By means of the toward-target spray system, the pesticide usage can be reduced, pollution to an ecological environment is abated, and the working efficiency is effectively improved.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY
Substitute 2,3-dihydrogen thiazole [4,5-d] pyrimidine-7(6H)- ketone (imines) having weed removal active and preparation thereof
The invention discloses a multi-substituted-2, 3-dihydro-thiazole-[4, 5-d] pyrimidine-7(6H)-ketone (imine), wherein Y is O and NH; R1 is phenyl or substituted phenyl, which is halogen on the phenyl with substituted group at random position of phenyl ring to do the same or different single substitution or multiple substitutions; R2 is H, C1-C6 monoalkyl amino, C1-C6 dialkyl amino, phenyl amine, phenyl alkyl (C1-C4) amino or substituted pridefine (C1-C4) amino, heterocyclic substituted C1-C4 alkyl amino of furan, piperidine and morphia; R3 is C1-C8 alkyl, phenyl or substituted phenyl, pridefine (C1-C4) or substituted pridefine (C1-C4); the substituted group on the phenyl of R2 and R3 is halogen, C1-C6 alkyl or alkoxy, which can be the same or different.
![Substitute 2,3-dihydrogen thiazole [4,5-d] pyrimidine-7(6H)- ketone (imines) having weed removal active and preparation thereof](https://images-eureka-patsnap-com.libproxy1.nus.edu.sg/patent_img/08116e58-99e3-4135-84c6-8c724d781c38/A2007100518100002C1.PNG "Substitute 2,3-dihydrogen thiazole [4,5-d] pyrimidine-7(6H)- ketone (imines) having weed removal active and preparation thereof")
![Substitute 2,3-dihydrogen thiazole [4,5-d] pyrimidine-7(6H)- ketone (imines) having weed removal active and preparation thereof](https://images-eureka-patsnap-com.libproxy1.nus.edu.sg/patent_img/08116e58-99e3-4135-84c6-8c724d781c38/A2007100518100002C2.PNG "Substitute 2,3-dihydrogen thiazole [4,5-d] pyrimidine-7(6H)- ketone (imines) having weed removal active and preparation thereof")
![Substitute 2,3-dihydrogen thiazole [4,5-d] pyrimidine-7(6H)- ketone (imines) having weed removal active and preparation thereof](https://images-eureka-patsnap-com.libproxy1.nus.edu.sg/patent_img/08116e58-99e3-4135-84c6-8c724d781c38/A2007100518100003C1.PNG "Substitute 2,3-dihydrogen thiazole [4,5-d] pyrimidine-7(6H)- ketone (imines) having weed removal active and preparation thereof")
Owner:HUAZHONG NORMAL UNIV
Pyrazole-containing bishydrazide compound and preparation method and application thereof
ActiveCN104628645ASimple preparation processEasy to operateBiocideOrganic chemistryCombinatorial chemistryPhenyl group
The invention relates to a pyrazole-containing bishydrazide compound and a preparation method and application thereof. According to the bishydrazide compound and the preparation method and application thereof, disclosed by the invention, the bishydrazide compound has the structure represented by a formula (I) shown in description, wherein R represents substituted phenyl; a benzene ring of the substituted phenyl is monosubstituted or polysubstituted, and each substituent is independently selected from C1-C10 alkyl, halogen or nitro. The bishydrazide compound disclosed by the invention is simple in preparation and has excellent weeding activity and can be used as a weedicide.
Owner:HUAWEI TEHCHNOLOGIES CO LTD
Weed cleaning device for artificial gleditsia sinensis grafting
InactiveCN111096316ACases that do not precipitateWell mixedWeed killersAgricultural engineeringMechanical engineering
The present invention belongs to the technical field of gleditsia sinensis grafting, particularly relates to a weed cleaning device for artificial gleditsia sinensis grafting, and aims at problems that the existing land cleaning mode is generally manual cleaning, but manual cleaning speed is low and efficiency is low. The following scheme is currently provided: the weed cleaning device for the artificial gleditsia sinensis grafting comprises a moving seat, a bottom part of the moving seat is fixedly provided with a connecting rod, both ends of the connecting rod are fixedly provided with moving wheels, a bottom part of the moving seat is fixedly provided with a supporting plate, a bottom part of the supporting plate is fixedly provided with a buffer assembly, besides, a bottom part of thebuffer assembly is fixedly provided with a supporting leg, and an adjusting groove is formed in the bottom part of the moving seat. The weed cleaning device can clean weeds on surface of the land through a weeding rotary roll and can spray a herbicide on surface of the arable land, thus can completely clean the weeds on the gleditsia sinensis grafting arable land, is convenient to use, saves manpower and has relatively strong practicality.
Owner:山西搏宇农林开发有限公司
High-multiplication method of two-cropping peanuts in one year
ActiveCN103858656BShorten the timeSpeed up the fertility processBiocidePlant growth regulatorsPlastic mulchEthephon
Owner:HENAN ACAD OF AGRI SCI
Precise lawn and pasture weeding method based on cloud weed control spectrum
ActiveCN113349188APrecise and efficient weed controlEasy to identifyHops/wine cultivationTurf growingAgricultural engineeringBiology
The invention relates to a precise lawn and pasture weeding method based on a cloud weed control spectrum. The weeding method comprises the following steps: establishing a deep learning model according to a herbicide weed control spectrum, and identifying weed types based on the herbicide weed control spectrum; deploying the trained neural network model to a cloud, and performing interaction between the cloud and a weeding robot by using a 5G network; and constructing an intelligent spraying decision-making system capable of supporting multi-task parallelism, and realizing an early warning and manual intervention mechanism through multiple terminals. According to the weeding method, based on weed control spectrum identification and spraying, the herbicide can be effectively saved, the weeding effect is more accurate and efficient, the performance of weed identification can be effectively improved by means of the computing power of a cloud large-scale server and the high-speed data transmission of the 5G network, and a multi-task scene can be processed at the same time.
Owner:NANJING FORESTRY UNIV
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