CN107333777B - Formula, preparation method and use method of thickening aquacide water agent - Google Patents
Formula, preparation method and use method of thickening aquacide water agent Download PDFInfo
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- CN107333777B CN107333777B CN201710504761.4A CN201710504761A CN107333777B CN 107333777 B CN107333777 B CN 107333777B CN 201710504761 A CN201710504761 A CN 201710504761A CN 107333777 B CN107333777 B CN 107333777B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/24—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients to enhance the sticking of the active ingredients
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
Abstract
The invention belongs to the technical field of herbicides, and provides a thickening diquat aqueous solution formula, a preparation method and a use method, wherein the thickening diquat aqueous solution formula comprises 50 parts of diquat mother liquor, 20 parts of thickening surfactant, 10 parts of organic silicon emulsion, 8 parts of propylene glycol monomethyl ether acetate and 12 parts of water, and the thickening surfactant comprises the following components in parts by weight: 5 parts of ammonium chloride, 25 parts of coconut monoethanolamide, 30 parts of lauric acid amide propyl betaine, 10 parts of polyvinylpyrrolidone and 30 parts of water, wherein the organosilicon emulsion comprises the following components in parts by weight: 22 parts of hydroxyl silicone oil, 18 parts of amino polyether block silicone oil, 40-4 parts of XL-70-3 parts of XL-1 part of defoaming agent, 2 parts of acetic acid and 50 parts of water. The product of the invention replaces the original paraquat, and the compound mode can enhance the retention time of the liquid medicine on the surface of the plant, reduce the loss of effective components and improve the drug effect.
Description
Technical Field
The invention belongs to the technical field of herbicides, and relates to a thickening aquacide water agent formula, a preparation method and a use method.
Background
The herbicide is a medicament capable of thoroughly or selectively withering weeds, is used for killing or inhibiting harmful plants such as farmlands, orchards, flower nursery gardens, grasslands, non-cultivated lands, railway lines, riverways, reservoirs, warehouses and the like, and is widely used for controlling harmful plants such as miscellaneous irrigation, miscellaneous trees and the like, paraquat is a herbicide which is widely used all the time, but the domestic sale and use of paraquat are stopped from 2016 (7, 1) and the pesticide effect of the paraquat is faster than that of the paraquat, the herbicide is a best substitute for broadleaf weeds after the paraquat is forbidden in the market, but in terms of the prior art, how to better compound the paraquat is to enhance the retention time of a liquid medicine on the surface of the plants, reduce the loss of effective components and improve the pesticide effect becomes the most important technical problem.
Disclosure of Invention
The invention provides a thickening aquacide water agent formula, a preparation method and a use method, and solves the technical problems.
The technical scheme of the invention is realized as follows:
a thickening aquacide formula comprises the following components in parts by weight:
50 parts of diquat mother liquor, 20 parts of thickening surfactant, 10 parts of organic silicon emulsion, 8 parts of propylene glycol monomethyl ether acetate and 12 parts of water, wherein the thickening surfactant comprises the following components in parts by weight: 5 parts of ammonium chloride, 25 parts of coconut monoethanolamide, 30 parts of lauric acid amide propyl betaine, 10 parts of polyvinylpyrrolidone and 30 parts of water, wherein the organosilicon emulsion comprises the following components in parts by weight: 22 parts of hydroxyl silicone oil, 18 parts of amino polyether block silicone oil, 40-4 parts of XL-70-3 parts of XL-1 part of defoaming agent, 2 parts of acetic acid and 50 parts of water.
A preparation method of a thickening aquacide water agent comprises the following steps:
(1) weighing hydroxyl silicone oil and amino polyether block silicone oil according to parts by weight, stirring for 10min, adding a mixture of XL-40 and XL-70, heating to 45 ℃, fully stirring for 5min, adding 1 part of acetic acid, stirring for 10min, slowly dripping water while stirring, wherein the dripping speed of the water is 0.02g/10s, adjusting the dripping speed of the water to 0.02g/s after half of the water is added, adding the rest 1 part of acetic acid, adding a defoaming agent, and stirring for 5min after all the water is dripped to obtain an organic silicon emulsion for later use;
(2) weighing ammonium chloride, coconut monoethanolamide, lauric acid amide propyl betaine, polyvinylpyrrolidone and water in parts by weight for later use, firstly fully mixing the coconut monoethanolamide and the lauric acid amide propyl betaine, adding 1/3 water into the mixture after mixing, slowly adding the polyvinylpyrrolidone, heating to 50 ℃, stirring for 10min, adding 1/3 water, stirring for 10min, sequentially adding ammonium chloride and the rest of water, and fully stirring to obtain a thickening surfactant for later use;
(3) weighing the diquat mother liquor, the thickening surfactant prepared in the step (2), the organic silicon emulsion prepared in the step (1), propylene glycol methyl ether acetate and water in parts by weight, sequentially adding the diquat mother liquor and the water into a stirring kettle for stirring, adding the organic silicon emulsion when the solution is in a transparent state, slowly adding the propylene glycol methyl ether acetate while stirring, then adding the thickening surfactant, and continuing stirring after the addition is finished until the solution becomes brownish red viscous uniform liquid, namely the thickening diquat water aqua.
A use method of the thickening aquacide water agent comprises the following steps: the application dosage of the thickening aquacide is 300-350 ml/mu, and the spray treatment is carried out on the stems and leaves of the weeds during application.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the diquat has a good special effect on weeds, the thickening surfactant is added, the viscosity of the product is improved, the diquat is not easy to volatilize when acting on plants, the acting time is long, the efficiency of drug effect exertion is higher, after the diquat is compounded with the organic silicon emulsion, the surface tension of the product is effectively reduced by the organic silicon emulsion, the diquat can be completely spread on crops, the contact area between the diquat and the crops is larger, the retention time of the liquid medicine on the surfaces of the plants is enhanced, the loss of effective components is reduced, the drug effect is more remarkable, the propylene glycol monomethyl ether acetate has extremely strong dissolving capacity as a harmless solvent, has various functional groups, has a better compounding effect with other materials, and the overall performance of the product is more stable.
2. According to the invention, the excellent preparation method enables the diquat, the thickening surfactant, the organic silicon emulsion and the propylene glycol monomethyl ether acetate to achieve fusion of molecular level, so that a brownish red viscous uniform liquid is formed, and the preparation method has good dilution stability and cold and hot storage stability.
3. According to the invention, the thickening surfactant is a compound of ammonium chloride, coconut monoethanolamide, lauric acid amide propyl betaine and polyvinylpyrrolidone, the ammonium chloride is easy to compress a micelle double electric layer, and mutual repulsion between surface active ion heads is reduced, so that more ions enter the micelle, the aggregation number of the micelle is increased, and the viscosity is increased.
4. In the invention, XL-40 and XL-70 are heterogeneous alcohol ether products of basf, and the two are compounded and used in the organic silicon emulsion according to a specific proportion, so that the organic silicon emulsion has a microemulsion effect and has good stability, the hydroxy silicone oil and the amino polyether block silicone oil are compounded, the PH value is adjusted by acetic acid, and water is slowly dripped to form good oil-in-water type organic silicon microemulsion, so that the organic silicon microemulsion has a good spreadability effect in a thickening aquacide formula.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a thickening aquacide water agent formula which comprises the following components in parts by weight:
50 parts of diquat mother liquor, wherein the content of a raw pesticide of the diquat mother liquor is 40%, 20 parts of thickening surfactant, 10 parts of organic silicon emulsion, 8 parts of propylene glycol methyl ether acetate and 12 parts of water, wherein the thickening surfactant comprises the following components in parts by weight: 5 parts of ammonium chloride, 25 parts of coconut monoethanolamide, 30 parts of lauric acid amide propyl betaine, 10 parts of polyvinylpyrrolidone and 30 parts of water, wherein the organosilicon emulsion comprises the following components in parts by weight: 22 parts of hydroxyl silicone oil, 18 parts of amino polyether block silicone oil, 40-4 parts of XL-70-3 parts of XL-1 part of defoaming agent, 2 parts of acetic acid and 50 parts of water.
The preparation method comprises the following steps:
(1) weighing hydroxyl silicone oil and amino polyether block silicone oil according to parts by weight, stirring for 10min, adding a mixture of XL-40 and XL-70, heating to 45 ℃, fully stirring for 5min, adding 1 part of acetic acid, stirring for 10min, slowly dripping water while stirring, wherein the dripping speed of the water is 0.02g/10s, adjusting the dripping speed of the water to 0.02g/s after half of the water is added, adding the rest 1 part of acetic acid, adding a defoaming agent, and stirring for 5min after all the water is dripped to obtain an organic silicon emulsion for later use;
(2) weighing ammonium chloride, coconut monoethanolamide, lauric acid amide propyl betaine, polyvinylpyrrolidone and water in parts by weight for later use, firstly fully mixing the coconut monoethanolamide and the lauric acid amide propyl betaine, adding 1/3 water into the mixture after mixing, slowly adding the polyvinylpyrrolidone, heating to 50 ℃, stirring for 10min, adding 1/3 water, stirring for 10min, sequentially adding ammonium chloride and the rest of water, and fully stirring to obtain a thickening surfactant for later use;
(3) weighing the diquat mother liquor, the thickening surfactant prepared in the step (2), the organic silicon emulsion prepared in the step (1), propylene glycol methyl ether acetate and water in parts by weight, sequentially adding the diquat mother liquor and the water into a stirring kettle for stirring, adding the organic silicon emulsion when the solution is in a transparent state, slowly adding the propylene glycol methyl ether acetate while stirring, then adding the thickening surfactant, and continuing stirring after the addition is finished until the solution becomes brownish red viscous uniform liquid, namely the thickening diquat water aqua.
The using method comprises the following steps: the application dosage of the thickening aquacide is 300-350 ml/mu, and the spray treatment is carried out on the stems and leaves of the weeds during application.
The experimental formulation of the examples is shown in table 1:
TABLE 1 test design of test agents
According to the standard GB/T17980.51-2000, eachDefining 4 survey points on the diagonal of the cell, each point is 0.25m2After the herbicide application, the number of weed plants was investigated 14d and 35d, and at 35d, the overground part of the weed at each sampling point was collected and the fresh weight of the overground part was measured, and the measured data and the processing results are shown in tables 2 to 7.
When the composition is used, the average wind speed is less than 0.1m/s, the relative humidity is 40%, the temperature is 17-32 ℃, the average temperature is 24.5 ℃, the weather condition which obviously influences the drug effect during the test period does not occur, the organic matter content of the soil is 1.27%, the alkaline hydrolysis nitrogen is 56.3mg/kg, the available phosphorus is 46.2mg/kg, the available potassium is 132.7mg/kg, and the pH value of the soil is 7.4.
The calculation formula of the drug effect is as follows:
the number of plants is equal to (%) (number of live grass plants in blank control area-number of residual grass in treatment area) × 100/number of live grass plants in blank control area
Fresh weight control (%) (fresh weight of weeds in blank control area-residual weeds in treatment area) x 100/fresh weight of weeds in blank control area
TABLE 2 controlling effect (%) of the thickening diquat water agent on the number of plants of non-cultivated land weeds-after application14Sky
TABLE 3 controlling effect (%) of the thickening diquat water agent on the number of plants of non-cultivated land weeds14Sky
Variance analysis table for preventing and treating effect of plant
| Source of variation | Sum of squares | Degree of freedom | Mean square | F value | Significant level of |
| Between (or among) treatments | 0.0182 | 3 | 0.0061 | 1.3952 | 0.2919 |
| Between subgroups in a group | 0.0522 | 12 | 0.0044 | 0.8579 | 0.5923 |
| In-process | 0.3245 | 64 | 0.0051 | ||
| Total variation | 0.3949 | 79 |
TABLE 4 controlling effect (%) of the thickening diquat water agent on the number of plants of non-cultivated land weeds35Sky
TABLE 5 controlling effect (%) on number of plants of uncultivated land weeds with the thickening diquat aqueous solution 35 days after application
Variance analysis table for preventing and treating effect of plant
| Source of variation | Sum of squares | Degree of freedom | Mean square | F value | Significant level of |
| Between (or among) treatments | 0.0154 | 3 | 0.0051 | 1.1594 | 0.3655 |
| Between subgroups in a group | 0.0531 | 12 | 0.0044 | 1.0108 | 0.4499 |
| In-process | 0.2804 | 64 | 0.0044 | ||
| Total variation | 0.3490 | 79 |
TABLE 6 fresh weight control effect (%) of the thickening diquat aqueous solution on uncultivated land weeds 35 days after application
TABLE 7 fresh weight control effect (%) of the thickening diquat water agent on uncultivated land weeds 35 days after application
Variance analysis table for preventing and treating effect of plant
| Source of variation | Sum of squares | Degree of freedom | Mean square | F value | Significant level of |
| Between (or among) treatments | 0.0156 | 3 | 0.0052 | 0.8904 | 0.4740 |
| Between subgroups in a group | 0.0699 | 12 | 0.0058 | 1.0897 | 0.3839 |
| In-process | 0.3421 | 64 | 0.0053 | ||
| Total variation | 0.4276 | 79 |
In the test treatment, the weeds begin to show typical phytotoxicity symptoms 1 to 2 days after the application of the thickened aquacide in the invention, and the symptoms are as follows: the water-stain-shaped phytotoxicity spots appear on the leaves after the pesticide is applied, the leaves turn yellow, whiten and dry after 24 hours, the weeds begin to die after 3-5 days after the pesticide is applied, and the initial investigation shows that the phytotoxicity spots on the leaves subjected to phytotoxicity are uneven and have no obvious expansion phenomenon. Therefore, the thick aquacide is a contact type herbicide mainly.
And (3) analyzing the drug effect: the effective component of the thickening aquacide water agent for application is 900mL2、975mL.ai/hm2And 1050mL2The total control effect of the strains in 14 days is 93.62 percent, 95.17 percent and 97.41 percent respectively, and the effective component applied by the contrast agent thickening aquacide is 975mL2The total control effect of the plant number of (1) is 93.83% (the result is shown in table 2); the effective component of the thickening aquacide water agent for application is 900mL2、975mL.ai/hm2And 1050mL2The total control effect of the strains after 35 days of the drug application is 94.71 percent, 96.25 percent and 98.22 percent respectively, and the effective component applied by the thickening diquat water agent as a contrast agent is 975mL ai/hm2The control effect is 94.99% (the result is shown in the table 4 in detail). The results show that the weed control effect of the herbicide is increased but not obviously improved along with the increase of the dosage of the herbicide. The effective component of the test agent thickening aquacide water agent is 900mL2、975mL.ai/hm2And 1050mL2The fresh weight control effect in 35 days is respectively 94.70 percent, 95.13 percent and 97.75 percent, and the effective component applied by the contrast agent thickening diquat water agent is 975mL ai/hm2The control effect is 94.09% (the results are shown in Table 6).
Performing arcsine conversion on the total control effect of the 35-day plants, and performing random block variance analysis by using a multiple comparison method of Duncan and knotThe results show that: the effective component of the thickening aquacide water agent for application is 900mL2、975mL.ai/hm2And 1050mL2The effective component of the drug application of the thickening diquat water agent and the contrast agent is 9755mL2The control effect of (a) was not significant between treatments at the level of P-0.05 and P-0.01 (see table 4 for results).
The fresh weight control effect variance analysis result of 35 days shows that: the effective component of the thickening aquacide water agent for application is 900mL2、975mL.ai/hm2And 1050mL2The effective component of the drug application of the diquat water agent which is thickened with the contrast agent is 975mL2The control effect of (a) was not significantly different between treatments at the P-0.01 level; the effective component of the thickening aquacide water agent for drug application is 975mL2The effective component of the drug application of the diquat water agent which is thickened with the contrast agent is 975mL2The control effect of (a) was not significantly different between treatments at the P-0.05 level (see table 6 for results).
Safety: during the test period, the investigation found that the tested treatments with various dosages of the thickening aquacide solution produced no observable phytotoxicity to the surrounding plants.
In conclusion, the thickening aquacide water agent prepared by the invention has good removal effect on various weeds and good safety.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. A preparation method of a thickening aquacide water agent is characterized by comprising the following steps:
(1) preparing raw materials according to the following components in parts by weight: 50 parts of diquat mother liquor, 20 parts of thickening surfactant, 10 parts of organic silicon emulsion, 8 parts of propylene glycol monomethyl ether acetate and 12 parts of water,
the thickening surfactant comprises the following components in parts by weight: 5 parts of ammonium chloride, 25 parts of coconut monoethanolamide, 30 parts of lauric acid amide propyl betaine, 10 parts of polyvinylpyrrolidone and 30 parts of water,
the organic silicon emulsion comprises the following components in parts by weight: 22 parts of hydroxyl silicone oil, 18 parts of amino polyether block silicone oil, 40-4 parts of XL-70-3 parts of XL-1 part of defoaming agent, 2 parts of acetic acid and 50 parts of water,
(2) weighing hydroxyl silicone oil and amino polyether block silicone oil according to the weight parts in the step (1), stirring for 10min, adding a mixture of XL-40 and XL-70, heating to 45 ℃, fully stirring for 5min, adding 1 part of acetic acid, stirring for 10min, slowly dripping water while stirring, wherein the dripping speed of the water is 0.02g/10s, adjusting the dripping speed of the water to 0.02g/s after half of the water is added, adding the rest 1 part of acetic acid, adding a defoaming agent, and stirring for 5min after all the water is dripped to obtain an organic silicon emulsion;
(3) weighing ammonium chloride, coconut monoethanolamide, lauric acid amide propyl betaine, polyvinylpyrrolidone and water according to the weight parts in the step (1) for later use, fully mixing the coconut monoethanolamide and the lauric acid amide propyl betaine, adding 1/3 water into the mixture after mixing, slowly adding the polyvinylpyrrolidone into the mixture, heating to 50 ℃, stirring for 10min, adding 1/3 water, stirring for 10min, sequentially adding the ammonium chloride and the rest water, and fully stirring to obtain a thickening surfactant for later use;
(4) weighing the diquat mother liquor, the thickening surfactant prepared in the step (3), the organic silicon emulsion prepared in the step (2), propylene glycol methyl ether acetate and water according to the weight parts in the step (1), sequentially adding the diquat mother liquor and the water into a stirring kettle for stirring, adding the organic silicon emulsion when the solution is in a transparent state, slowly adding the propylene glycol methyl ether acetate while stirring, adding the thickening surfactant, and continuing stirring until the solution becomes brownish red viscous uniform liquid, namely the thickening diquat water aqua.
2. The use method of the thickening aquacide aqua prepared by the preparation method according to claim 1 is characterized in that the application dosage of the thickening aquacide aqua is 300-350 ml/mu, and weed stems and leaves are subjected to spray treatment during application.
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| CN108207946B (en) * | 2018-04-12 | 2020-12-22 | 南京科翼新材料有限公司 | Special auxiliary agent suitable for diquat dichloride aqueous solution |
| CN108849937A (en) * | 2018-07-11 | 2018-11-23 | 四川利尔作物科学有限公司 | A kind of low temperature resistant diquat dibromide aqua |
| CN108849886A (en) * | 2018-08-23 | 2018-11-23 | 南京拓际生物科技有限公司 | A kind of high glutinous Synergistic type diquat dibromide special synergistic agent and preparation method thereof |
| CN117397695B (en) * | 2023-12-14 | 2024-03-29 | 济南兄弟作物科学有限公司 | Diquat composite herbicide for regulating rice to promote blight and preparation method thereof |
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| CN102027900B (en) * | 2009-09-28 | 2013-09-18 | 南京华洲药业有限公司 | Synergist and synergist-containing diquat aqueous solution |
| CN105104375A (en) * | 2015-08-14 | 2015-12-02 | 京博农化科技股份有限公司 | Glycerine-containing herbicidal composition |
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| BRPI0814858B1 (en) * | 2007-08-08 | 2017-04-11 | Basf Se | aqueous microemulsion formulation, use of a formulation, and methods for combating harmful organisms, for protecting crops from attack or infestation by harmful pests, and for protecting seeds against attack or infestation for harmful pests. |
| CN102986720A (en) * | 2011-09-09 | 2013-03-27 | 山东中农联合生物科技有限公司 | Imidacloprid and high efficiency cyhalothrin insecticidal composition |
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| CN102027900B (en) * | 2009-09-28 | 2013-09-18 | 南京华洲药业有限公司 | Synergist and synergist-containing diquat aqueous solution |
| CN103918648B (en) * | 2014-03-17 | 2016-01-20 | 南京华洲药业有限公司 | A kind of insecticides adjuvant |
| CN105104375A (en) * | 2015-08-14 | 2015-12-02 | 京博农化科技股份有限公司 | Glycerine-containing herbicidal composition |
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