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842 results about "Corn field" patented technology
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Corn stalk rollers
Owner:KITCHEL ENTERPRISES
Herbicide composition containing nicosulfuron and its prepn and use
An improved herbicide composition is one kind of mixture comprising 2-(4,6-dimethoxy pyrimidyl-2-aminoformamidosulfonyl)-N,N-dimethyl nicotinamide and at least one of 1,4-D butylate, metribuzin, sulcotrione and atrazine. It has high herbicidal effect to crab grass, green bristle grass, goose grass, etc. in corn field, and its herbicidal effect is higher than that of its single component.
Owner:江苏省新沂中凯农用化工有限公司
Composite of herbicide
A composite herbicide for corn field contains phenyloxyacetic acid kind of herbicide chosen from 2,4-D sodium, MCPA, MCPA sodium, 2,4-D butylate, etc, and sulfonylurea kind of herbicide chosen from nicosulfuron, rimsulfuron, etc in weight ratio of (1-80):1. The preparation is wattable powder and soluble powder.
Owner:河北宣化农药有限责任公司
Method for planting summer corn to improve yield
The invention discloses a method for planting the summer corn to improve the yield, comprising the following steps: selecting density-resisting compact or semi-compact high-quality summer corn to hybridize; sowing the summer corn in the line-indenting broadband densifying form; managing the corn field; and harvesting the corn in good time. Because the line-indenting broadband densifying corn sowing form replaces the traditional equal line-spacing corn sowing form, and the edge line advantage is created manually, the high-density planted corn group structure and the corn group canopy environment are improved, the light source is fully utilized, the stems of the corn are stout, the corncobs are lower, and the lodging of the plants is prevented effectively. Due to the adoption of the line-indenting broadband densifying corn sowing form, the compact summer corn planting density can be increased from about 4500 per mu of the traditional equal line-spacing corn sowing form to 5500 per mu, the semi-compact summer corn planting density can be increased from about 3500 per mu to 4500 per mu, high yield increasing potential can be achieve, the yield can be increased by about 20%, and the light energy utilization efficiency can be increased by more than 18%. The method has good popularization and application value.
Owner:QINGDAO AGRI UNIV
Method for constructing pasture, beef cattle and vegetable circular agriculture system in subtropical hilly area
ActiveCN103329849AReduce investmentControl pollution dischargeHorticultureAnimal husbandryToxic materialWood pasture
The invention discloses a method for constructing a pasture, beef cattle and vegetable circular agriculture system in a subtropical hilly area. The method includes the following steps: A, selecting a pasture and corn field, wherein the pasture and corn field needs to be dry land with a low underground water level; B, growing pasture and corn; C, building a cattle shed and a cattle activity field, wherein the cattle shed is a double-row cattle shed; D, building a fluid fertilizer pond and a solid fertilizer pond below the cattle shed and the cattle activity field, and building a portable house on the fluid fertilizer pond and the solid fertilizer pond; E, building a cattle feeds ensiling pond, wherein the length and the width of the cattle feeds ensiling pond are equal; F, building a work room; G, breading beef cattle; H, growing vegetables, wherein the area of a vegetable field is determined by the number of the cattle, chemical fertilizer is not applied, and all the produced vegetables are high-quality organic vegetables. The method has the advantages that the agriculture system can be effectively prevented from discharging harmful and toxic substances to the outside, operation cost is low, yields are high, product quality is high, good economic benefits are achieved, and agricultural environmental protection is facilitated.
Owner:INST OF SUBTROPICAL AGRI CHINESE ACAD OF SCI
Unmanned corn harvester
InactiveCN105432228AImprove protectionClimate change mitigationTelevision system detailsTransmission systemsEngineeringDigital image
Owner:WUXI TONGCHUN NEW ENERGY TECH
Composite weedicide
InactiveCN101731224AQuick selectionShort half-lifeBiocideAnimal repellantsNoxious weedAdditive ingredient
The invention discloses a composite weedicide. The composite weedicide comprises a mixture of 95 percent fluroxypyr and 97.4 percent carfentrazone serving as effective ingredients; and the range of the weight ratio of the 95 percent fluroxypyr to the 97.4 percent carfentrazone is between 1:99 and 99:1. The invention also discloses a plurality of preparation formulations of the composite weedicide. In the invention, the 95 percent fluroxypyr and the 97.4 percent carfentrazone are compounded and mixed to serve as a wettable powder preparation, which can give play to the comprehensive advantages of the two medicaments. The composite weedicide can not only achieve the effect of weeding rapidly and radically, but also reduce the dosage and facilitate the use of a peasant. The harm of various broad leaf weeds in a paddy field, a wheat field and a corn field can be prevented by using the weedicide once; therefore, the dosage of the weedicide in the paddy field, the wheat field, the corn field and the like can be reduced; and the prevention and removal effects on noxious weeds can be improved.
Owner:LIANBAO CROP TECH
Weedicide composition containing topramezone and eluthiacet-methyl
ActiveCN102017962AExpand the spectrum of prevention and treatmentLower resistanceBiocideAnimal repellantsSuspending AgentsOrganic chemistry
The invention discloses a weedicide composition for preventing and removing weeds in cornfield, particularly a weedicide for preventing and removing grassy weeds and broadleaf weeds in cornfield, which is a binary weedicide mixture composed of topramezone and eluthiacet-methyl as active components. The weight ratio of topramezone to eluthiacet-methyl in the composition is (16:1)-(1:8), preferably(8:1)-(1:2). The weedicide composition can be prepared into water-dispersion granulas, wettable powder, suspending agents, dispersible oil suspending agents, missible oil and microemulsion. The weedicide composition is used for preventing and removing weeds in cornfield, contains reasonable components, is superior to the activities of each single component applied independently in the aspect of prevention effect, widens the weed control spectrum, lowers the cost for preventing and removing weeds, slow down the generation of weed resistance, is safe for crops and conforms to the safety requirements for pesticide preparations.
Owner:SHAANXI SUNGER ROAD BIO SCI
Herbicide composition comprising topramezone and atrazine
InactiveCN103181391AImprove weed control effectReduce adverse effectsBiocideAnimal repellantsActive componentAtrazine
The invention relates to a herbicide composition used for controlling farmland weeds, and a purpose thereof, and specifically relates to a herbicide used for controlling corn field grass weeds and broadleaf weeds. The invention provides a binary herbicide composition with topramezone and atrazine as active components. In the composition, the weight ratio of topramezone to atrazine is 1:180-1:1. The composition can be prepared into any agriculturally acceptable preparations. When the composition is used in corn field weed controlling, a substantial synergetic effect compared with single applications of the components is provided. With the composition, herbicidal spectrum can be widened, controlling cost can be reduced, appearance of weed resistance can be retarded, and good safety upon crops is provided.
Owner:SHANDONG BINNONG TECH
Crop row identification method for precise corn pesticide application system
ActiveCN104361330AAvoid noise effectsFast operationCharacter and pattern recognitionColor imageMahalanobis distance
The invention discloses a crop row identification method for a precise corn pesticide application system. The method comprises the steps of acquiring an RGB colored image of a corn field by an industrial camera and a lens; graying the acquired RGB colored image by an improved overgreen graying algorithm; removing image noise by median filtering of an improved median obtaining method; performing binarization on the denoised image by a maximum inter-class variance method; filtering noise out of a binarized image by a morphology algorithm; extracting a crop row framework based on a mahalanobis distance and a corn vein rule; and fitting a main crop row into a straight line based on Hough transformation of a main framework point. According to the crop row identification method, crop row information is retained to the maximum extent, background interference is removed, and the calculation speed is increased; the accurate crop row framework is extracted on the basis of the mahalanobis distance and the corn vein rule, so that the influence caused by noise such as weeds is effectively avoided; the crop row identification method is suitable for different crops and lighting conditions; the crop row accuracy is higher than 98.3 percent; an effective method is provided for realizing automatic alignment of pesticide spraying heads in a precise agricultural system.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
Micro-capsule suspending agent containing butralin
ActiveCN102771475ALong durationReduce in quantityBiocideAnimal repellantsAdditive ingredientSuspending Agents
The invention discloses a micro-capsule suspending agent containing butralin. The micro-capsule suspending agent comprises butralin or a compound of butralin and a second active component, and a capsule wall material, an initiating agent, an additive, a cosolvent and a solvent, wherein the butralin or the compound of butralin and the second active component serves as an active ingredient, and the capsule wall material, the initiating agent, the additive, the cosolvent and the solvent serve as the balance of the micro-capsule suspending agent. The second active component is randomly one of alachlor, metolachlor, acetochlor, pretilachlor, propisochlor or butachlor and the like. The micro-capsule suspending agent can be used for controlling annual and perennial weeds in sugarcane fields or corn fields and has the advantages of being long in duration, high in work efficiency, synergetic in effect, safe and environment-friendly and the like.
Owner:河南金田地农化有限责任公司
Herbicidal composition and use thereof
ActiveCN101326912AGood synergyImprove weed control effectBiocideAnimal repellantsHas active ingredientChemical composition
The invention provides a herbicide combination, containing the effective constituents of picloram or picloram ester, clopyralid or clopyralid ester and as well as one or more varieties of triketone; the weight ratio of the three constituents is 0.1:1:20-20:1:0.1. The combination contains at least one surfactant. The combination can be used to prepare emulsifiable solution, liquor, thick emulsion, microemulsion, wettable powder, water suspending agent, oil suspending agent, water-dispersible granules, soluble powder or granules, and is used to prevent and control Gramineae and broad-leaved weeds which have grown for one year or more than one year in the corn field.
Owner:北京颖泰嘉和分析技术有限公司
Weeding composition for cornfield
InactiveCN101595885AEfficient weed control effectBroad spectrum herbicideBiocideAnimal repellantsBULK ACTIVE INGREDIENTBentazon
The invention discloses a weeding composition for a cornfield. The weeding composition is prepared by combining nicosulfuron as an active ingredient and bentazon; and the weight ratio of the nicosulfuron to the bentazon is 1:30-40:1. The composition can be made into missible oil, oil deflocculant, wettable powder, dry deflocculant and the like according to a well-known method. The weeding composition has the characteristics of high-efficient weeding effect, wide weed spectrum, little use amount, low residue, safety to crop, cold and drought resistance, low cost and good prevention and control effect on broadleaf weed and grassy weed.
Owner:HEFEI XINGYU CHEM
Nicosulfuron terbuthylazine compound weedicide for corn field
ActiveCN101142914ASynergistic effect is obviousEffective controlBiocideAnimal repellantsWater dispersibleBULK ACTIVE INGREDIENT
The invention relates to a nicosulfuron terbuthylazine compound corn field herbicide, which comprises the following weight percentage: 70-80 percent of the invention is the nicosulfuron and terbuthylazine active ingredient and the rest is an additive; wherein, the weight percentage of the nicosulfuron and terbuthylzine is 1:15-20. The invention adopts an additive solid carrier, a wetting agent and a dispersing agent, etc. commonly used in the pesticide field and can be made into compound herbicide in the form of wettable powder, water dispersible granule, dry suspension and oil suspension, etc. The invention has the advantages that the herbicide has significant synergistic action and can effectively prevent and remove the main gramineae weed and broad-leaved weed, etc. in corn field, meanwhile, total control effect is improved by 4.3-35.9 percent and control rate of the main broad-leaved weed in corn field is up to 100 percent in particular; safety on crop is improved and yield increase of the corn is up to 15 percent; the terbuthylazine which has smaller phytotoxicity on succeeding crop is adopted as compound agent and then phytotoxicity is reduced; control cost is reduced by 22.2 percent.
Owner:中科荣威生物药业(河北)集团有限公司 +1
Intercropping cultivation method for maize and pleurotu ostreatus
The invention relates to a cultivation method for intercropping pleurotu ostreatus in maize fields, which comprises the steps of seeding maize, cultivating pleurotu ostreatus and field care. The pleurotu ostreatus cultivation employs two modes, namely, mode of seed cultivation and mode of bacterium stick cultivation, wherein the temperature for the cultivation material is held between 20-30 deg. C, the water content of the cultivation material is between 60-70%.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
Herbicide composition for corn fields
ActiveCN101743988AImprove securityExpand the spectrum of prevention and treatmentBiocideAnimal repellantsAtrazinePesticide formulation
The invention relates to a herbicide composition for preventing and removing weeds in farmland, which is a ternary herbicide prepared by using rimsulfuron, nitrate sulcotrione and atrazine as activity, wherein the weight ratio of the imsulfuron, the nitrate sulcotrione and the atrazine is (1-1.6) to (1-80) to (8-640), and the preferable weight ratio is (1-1.6) to (2.5-20) to (10-160). The cumulant of the imsulfuron, the nitrate sulcotrione and the atrazine is 5-90% of the total weight of the composition. The herbicide composition has the advantages of reasonable components, good weed removingeffect, weed control spectrum expanding, the number of application reducing, control cost lowering, the generation of weed resistance slowing and good safety for crops, and meets the security requirements of pesticide formulations. The herbicide composition has a good control effect for grassy weeds and broad-leaved weeds in corn fields.
Owner:SHAANXI SUNGER ROAD BIO SCI
Cut sight gauge
Owner:DUNN WALTER
Weeding composition containing diflufenican
InactiveCN102326551AThe weed effect is outstandingIncrease productionBiocideAnimal repellantsPesticide residueSuspending Agents
The invention relates to weeding composition containing diflufenican, which comprises an active ingredient A, an active ingredient B, auxiliary agent and other excipients. The active ingredient A is diflufenican, and the active ingredient B is selected from one of the following compounds: fluoroglycofen-ethyl, dicamba or metolachlor. The weeding composition is mainly characterized in that: the weight percentage of the active ingredient A is 1 percent to 60 percent, and the weight percentage of active ingredient B is 1 percent to 80 percent; and the weeding composition can be made into wettable powder, water dispersion granule, suspending agent, suspension emulsion, water emulsion and micro emulsion, can be used for preventing weeds in soybean field, wheat field and corn field, and has the characteristics of less use of farm chemicals, less residue of farm chemical, good environment compatibility and safety to the human beings and animals.
Owner:SHAANXI MEIBANG PHARMA GRP CO LTD
Herbicide composition and application thereof
ActiveCN102027991AImprove the effect of prevention and controlLower doseBiocideAnimal repellantsEcological environmentAdditive ingredient
The invention discloses a herbicide composition and the application thereof. The herbicide composition is prepared by using glyphosate or salt compounds thereof, and fluroxypyr or ester compound thereof as effective ingredients, wherein the weight part ratio of the glyphosate or salt compounds thereof to the fluroxypyr or ester compound thereof is (1:1) to (50:1), preferably (8:1) to (30:1). The total weight of the effective ingredients accounts for 10 to 90 percent of the weight of the composition, and the herbicide composition is used for preventing and extirpating weeds in uncultivated areas, orchards and corn fields. Compared with single agents, the herbicide composition disclosed by the invention has the advantages of obviously improving the control efficiency, reducing the dosage ofpesticides, reducing the adverse impacts of the pesticides on the ecological environment, having great significance in the comprehensive treatment on the herbicide resistance of weeds, and having huge economic benefits and social benefits.
Owner:广西拜科生物科技有限公司
Compound herbicide composition containing dicamba and application thereof
InactiveCN102907451AImprove efficiencyNo cross resistanceBiocideAnimal repellantsWater dispersibleBULK ACTIVE INGREDIENT
The invention provides a herbicide composition. Active ingredients in the composition comprise an active ingredient A dicamba and an active ingredient B in a weight ratio of (1:40)-(40:1), wherein the active ingredient B is any one of procarbazone and diuron. The herbicide composition can be prepared into wettable powder and water-dispersible granules according to the known methods. The herbicide composition has the following advantages: relative to the single agent, on the premise of expanding the weed-controlling spectrum, the herbicide composition improves the pesticide effect, delays generation of weed resistance, has low residues, is safe to afterreap crops, has higher control effects on broad leaf weeds and grassy weeds, and can control harms of various weeds in wheat fields and cornfields through using the herbicide composition once.
Owner:JIANGSU YANGNONG CHEM
Compounded herbicide for corn seedlings of postemergence
InactiveCN103300039AImprove efficiencyGood weeding effectBiocideAnimal repellantsBiotechnologySeedling
The invention provides a compounded herbicide for corn field stem leaves, wherein the compounded herbicide is capable of preventing and killing not only annual gramineae weeds in corn fields but also broad-leaf weeds and cyperus rotundus and the compounded herbicide is safe to corns and has no influence on after-reap crops. According to technical key points, the compounded herbicide is prepared from two active components, namely nicosulfuron and halosulfuron-methyl with a weight ratio of 1:(0.56-2), wherein the content of effective components in the compounded herbicide is 2-85% by weight percent. The compounded herbicide has a remarkable weeding effect and is obviously better than that of two single agents; in addition, the compounded herbicide has a prominent synergy effect on the broad-leaf weeds and the cyperus rotundus; besides, the weeds in the whole development period of crops can be prevented and killed after the herbicide is applied only for once; without influences on the after-reap crops, the compounded herbicide is ideal for the corn fields at present.
Owner:ANHUI FENGLE AGROCHEM
Safety herbicide for corn field
InactiveCN102763658AImprove efficiencyGood weeding effectBiocideAnimal repellantsCirsiumBULK ACTIVE INGREDIENT
The invention relates to safety herbicide for a corn field. An active ingredient of the safety herbicide is prepared by mixing topramezone and one or more than one of atrazine, ametryn, amides active compound, the mass ratio of topramezone to atrazine is 0.5-8:1-30, the mass ratio of topramezone to ametryn is 0.5-8:1-30, and the mass ratio of topramezone to amides active compound is 0.5-8:1-30. The amides active compound is alachlor, pretilachlor, butachlor or metolachlor. The topramezone has remarkable synergistic effect after adding atrazine / ametryn, the herbicide has good prevention and control effect on weeds and has good preventing and removing effect on malice broad leaf weeds such as cirsium setosum, chicory, acalypha australis and dayflower. The topramezone has a wide weed control spectrum, is safe for the height of corns, and can effectively synergize after combining the atrazine and the like. After combination, use amount of atrazine alone is reduced, and safety of the corns is improved.
Owner:SHANDONG LVBANG CROP SCI CO LTD
Identification method of corns for seed on the basis of high resolution remote sensing data texture analysis
InactiveCN106373150AStop illegal seed production such as private multiplicationStop illegal seed productionImage enhancementImage analysisField cropSensing data
The invention provides an identification method of corns for seed on the basis of high resolution remote sensing data texture analysis. The method comprises the following steps of: obtaining the moderate-resolution remote sensing image of a corn in a whole growth period and the high-resolution remote sensing image of the corn in a tasseling stage in a target detection zone; preprocessing the remote sensing images; according to the enhanced vegetation index of the preprocessed moderate-resolution remote sensing image in the growth period, identifying all corn fields in the target detection region; and extracting the texture information of all corn fields in the preprocessed high-resolution remote sensing image in the tasseling stage, and identifying the corn fields of the corns for seed in all corn fields. The non-artificial distinguishing of the corns for seed and corns which are planted in lands for growing field crops is realized, the identification method has an accurate, quick and reliable identification result, the corn fields of the corns for seed can be effectively monitored so as to effectively forbid illegal seed production behaviors including secret breeding, excessive manufacture and the like which aim at corns, and the order of a corn planting industry is guaranteed.
Owner:CHINA AGRI UNIV
Weeding composition containing atrazine and mesotrione and application thereof
The invention discloses a weeding composition containing atrazine and mesotrione and application thereof. The composition takes the atrazine and the mesotrione as effective active ingredients. The weeding composition can effectively prevent and eradicate barnyard grass, crab grass, green bristlegrass and other annual weeds in maize fields, and has the control effect obviously higher than that of a weed killer singly using the atrazine or the mesotrione. In addition, with the composition, the pesticide effect is improved, the dosage is lowered, the economic cost is saved, the application dose of each active substance is greatly reduced, the residual in the environment is reduced, the production of herbicide resistance of weeds is delayed at the same time, the service life of the composition is prolonged, and thus the composition has important ecological significance and environmental protection significance.
Owner:SHANDONG WEIFANG RAINBOW CHEM
Herbicidal composition for corn field
InactiveCN101961022AGood control effectBroad herbicidal spectrumBiocideAnimal repellantsChemical compositionBromoxynil octanoate
The invention discloses an herbicidal composition for a corn field. The composition comprises a component (a) and a component (b), wherein the component (a) is foramsulfuron, the component (b) is at least one of cyanazine, rimsulfuron, atrazine, bentazone, eluthiacet-methyl and bromoxynil octanoate; and the weight ratio of the component (a) to the component (b) is 1:1-70. The herbicidal composition for the corn field can prevent and control gramineous weeds and most broadleaf weeds, has good prevention and control effects and obvious synergy and effectively expands the weed control spectrum.
Owner:HEFEI XINGYU CHEM
Cut Sight Gauge
The present invention relates to the field of corn field production equipment used for detasseling operations. More specifically, the present invention is a cut sight gauge for providing an integrated means of monitoring the height of cutters and tassel pullers on corn crop cutting machines. The cut sight gauge ensures a uniform operating height of cut consistent with the optimum growing demands of the plants. The added safety advantage to the operator and the area supervisors who manage field operations are also a benefit for the field-specific set up applications as described herein.
Owner:DUNN WALTER
Weeding composition and preparation thereof
ActiveCN103478159AImprove the effect of prevention and controlGood prevention effectBiocideAnimal repellantsToxicityPesticide
The invention relates to the technical field of pesticides and in particular relates to a weeding composition and a preparation thereof. The weeding composition provided by the invention comprises thiencarbazone-methyl and mesotrione; the invention provides an optimal ratio of thiencarbazone-methyl to mesotrione when thiencarbazone-methyl and mesotrione serve as weedicide components; a weedicide provided by the invention has a very good prevention effect on nearly all weeds in a maize field; the ratio of thiencarbazone-methyl to mesotrione is 1 to (2-25); the co-toxicity coefficient is more than 120; a remarkable synergistic effect is achieved; the usage amount of the weedicide can be reduced; the labor force is saved; in addition, the composition provided by the invention is simple in process and common in auxiliary materials in a weedicie preparation process; a test shows that when the usage amount of the weedicide is 100g / hm<2>, the prevention effect on grassy weeds and broadleaf weeds in the maize field caused by the weedicide is remarkably superior to that of a thiencarbazone-methyl or mesotrione preparation.
Owner:LIANBAO CROP TECH
Herbicide composition containing mesotrione and nicosulfuron
InactiveCN101617654ABroad herbicidal spectrumImprove securityBiocideAnimal repellantsBULK ACTIVE INGREDIENTActive ingredient
The invention relates to a herbicide composition containing mesotrione and nicosulfuron, which uses the mesotrione and the nicosulfuron as active ingredients, wherein the weight ratio of the mesotrione to the nicosulfuron is between 1:15 and 15:1. The invention has the advantages of low toxicity, weak allergenicity, few damages to human and livestock, broad herbicide controlling spectrum and remarkable weed control strengthening effect and is suitable for preventing and controlling various weeds in fields of various crops, particularly corn fields.
Owner:SHANDONG BINNONG TECH
Weeding composition containing florasulam and fluroxypyr
InactiveCN102318618ADelay drug resistanceReduce developmentBiocideAnimal repellantsHas active ingredientAdditive ingredient
The invention relates to a weeding composition containing florasulam and fluroxypyr, and the wedding composition provided by the invention is characterized by comprising 1-60% of the active ingredient florasulam, 1-80% of the active ingredient fluroxypyr, an accessory ingredient and other excipients. The weeding composition can be prepared into wettable powders, water dispersible granules, suspending agents, microemulsions, emulsion in water and the like. The weeding composition can be used for preventing and treating broadleaf weeds and sedges in wheat fields and corn fields.
Owner:SHAANXI MEIBANG PHARMA GRP CO LTD
Method for cultivating yams in bagged soil in mountainous regions
InactiveCN103609290AEasy to packSolve the difficult problem of developing Huaishan plantingReceptacle cultivationKarstPlant Tubers
The invention discloses a method for cultivating yams in bagged soil in mountainous regions. The method includes manufacturing soil filling bags from plastic thin films; filling bagged soil materials into the soil filling bags; selecting cultivation lands. Soil, fine sand and farm manure or compound fertilizers are mixed with one another to form the bagged soil materials. The cultivation lands can be the mountainous regions with the slopes of about 15 degrees or gap lands among stones or corn fields. The yams and corns can be subjected to interplanting in the corn fields. The method for cultivating the yams in the bagged soil in the mountainous regions has the advantages that the yams can be planted in the gap lands among the scattered stones or lands in the mountainous regions with the slopes of 15 degrees; shelves can be omitted, and vines of the yams can freely climb and grow; tubers can be collected conveniently without digging; the original cultivation bags can be gathered and refilled for secondary utilization after the yams are harvested; the problem of difficulty in developing yam planting in karst regions can be solved by the aid of the method for cultivating the yams in the bagged soil in the mountainous regions.
Owner:韦本辉
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