CN102405933A - Herbicide complex - Google Patents
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- CN102405933A CN102405933A CN2011103738964A CN201110373896A CN102405933A CN 102405933 A CN102405933 A CN 102405933A CN 2011103738964 A CN2011103738964 A CN 2011103738964A CN 201110373896 A CN201110373896 A CN 201110373896A CN 102405933 A CN102405933 A CN 102405933A
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Abstract
The invention provides a herbicide complex, which is an aqueous solution compounded by using ammonium humate and organic phosphine herbicide, wherein the ammonium humate is prepared by the following processes of: mixing weathered coal and ammonium hydrogen carbonate in a weight ratio of (2-4): 1, performing ammoniation reaction with stirring and rolling at a temperature of between 16 and 35 DEG C, and thus obtaining the ammonium humate, wherein the stirring rate is 30 to 40r/min, the stirring time is 1 to 2 hours, the rolling pressure is 1.6 to 2kg/cm<2>, and the humic acid content of the weathered coal is 30 to 70 percent. The ammonium humate in the herbicide complex provided by the invention has the solubility of over 90 percent and multiple active ingredients, and can promote the exertion of the pesticide effect of the herbicide in the herbicide complex, so that the herbicide complex has good weeding effect.
Description
The application is that the application number of submitting in 21st in 09 month in 2010 is 201010297999.2, denomination of invention be a kind of ammonium humate and its production and application divide an application.
Technical field
The present invention relates to a kind of weed killer herbicide complex, relate in particular to a kind of solvability that contains and surpass 90% and have a weed killer herbicide complex of the ammonium humate of various active component.
Background technology
Humic acid is the macromolecular organic compound that occurring in nature extensively exists, and has fertilizer synergistic, improves the soil, stimulates plant growth, improves function such as agricultural product quality.But; The humic acid of occurring in nature is to combine with calcium, magnesium etc. to be the state of mineralizing and to exist; The humic acid of state of mineralizing can not be had only with sodium salt, sylvite and ammonium salt to make it to become soluble-salt by the plant absorbing utilization, could be used as the source of manure.The sodium salt of humic acid and sylvite have very strong spread effect to the crops root system, need control concentration during application, thereby certain limitation is arranged in the agricultural use.Therefore the humic acid ammonium salt is relatively recommended to use.
Domestic and international researcher is directed against humic acid and slaine and mixture of herbicides synergy aspect thereof and has carried out some researchs, and can prove: humic acid can promote the leaching transfer ability of weed killer herbicide ethametsulfuron; Sodium humate mixes with sulfonylurea herbicide to use can obtain fine herbicidal effect; Potassium humate mixes use synergy with the weed killer herbicide aryloxy carboxylic acid obvious.Discovering aspect compound synergic, 1, the solvability of humate has appreciable impact; 2, it is composite to select suitable weed killer herbicide kind to carry out, and for herbicidal effect and plant growth appreciable impact is arranged.Sodium humate and humic acid potassium are explained the front that influences of crops; Though the ammonium salt of humic acid is more conducive to use; But the ammonium humate that generally is used at present is to pile up ammoniumization, Raymond mill according to traditional mixing to grind methods such as ammoniumization and make ammonium humateization and process; Final ammonium humate product solubility is generally on the low side, uses herbicidal effect not good with mixture of herbicides.
How to improve the preparation technology of ammonium humate, prepare a kind of ammonium humate of highly dissoluble, make with mixture of herbicides and obtain a kind of new herbicides complex with good herbicidal effect, becoming has problem to be solved.
Summary of the invention
The invention provides a kind of ammonium humate and preparation method thereof,, make the solvability of ammonium humate surpass 90%, and contain the various active component, be beneficial to composite synergistic weed killer herbicide through improving production technology.
The present invention also provides above-mentioned ammonium humate aspect mixture of herbicides synergy, using, and said ammonium humate and weed killer herbicide complex, and the synergy of ammonium humate and weed killer herbicide more promotes the performance of effect of herbicides.
The preparation method of a kind of ammonium humate provided by the invention, be made up of following steps:
With weathered coal and carbonic hydroammonium with 2～4: 1 weight ratio is mixed, and under 16 ℃ of-35 ℃ of conditions, keeps to stir and the ammonium reaction is carried out in roll extrusion, processes ammonium humate,
Wherein, mixing speed is 30～40r/min, and mixing time is 1～2hr; Rolling pressure is 1.6～2kg/cm
2, and the content of humic acid is 30～70% in the said weathered coal.
In one embodiment of the present of invention; The preparation method of described ammonium humate; It is 50-65% that said weathered coal preferably contains the humic acid ratio; Water content is 15～30% weathered coal, and is identical with prior art, and the used weathered coal of the present invention can be leonardite, weathering ub-bituminous coal, weathered bituminite usually.
The product for preparing according to the method described above; The present invention is called ammonium humate or rotten ammonium; Through to ammonium reaction condition and parameter control, resulting ammonium humate product contains the various active composition, and solvability surpasses 90%; And near 93～95%, these are, and existing ammonium humate product is difficult to compare.
So the present invention provides the ammonium humate product for preparing according to the method described above and the application of said ammonium humate and mixture of herbicides synergy aspect simultaneously.
Ammonium humate based on method for preparing; The present invention also provides a kind of weed killer herbicide complex, and it is formulated to add water by said ammonium humate and organic phosphine class weed killer herbicide, promptly; Weed killer herbicide complex provided by the invention is the aqueous solution that obtains behind a kind of above-mentioned ammonium humate and the organic phosphine class mixture of herbicides; Can directly be used for the weeding operation in farmland, because the synergy of ammonium humate is significantly improved the effect of weed killer herbicide.
In the above-mentioned weed killer herbicide complex, said organic phosphine class weed killer herbicide is preferably glyphosate or two propylamine phosphine.
A kind of weed killer herbicide complex is provided in one embodiment of the present of invention; It is formulated that said weed killer herbicide complex adds water by said ammonium humate and glyphosate or two propylamine phosphine; In this weed killer herbicide complex; The content of said ammonium humate is 0.8～1.5g/L, and the content of said glyphosate or two propylamine phosphines is 6～7g/L.
Based on the synergistic effect of above-mentioned ammonium humate, the present invention also provides another kind of weed killer herbicide complex, is the aqueous solution behind above-mentioned ammonium humate and sulfonylurea herbicide and the phenoxy acetic acid class mixture of herbicides; Because the highly dissoluble of ammonium humate, described weed killer herbicide complex also are a kind of aqueous solution reagent that can directly use.Preferably, said sulfonylurea herbicide can be nicosulfuron, sulfometuronmethyl, Sulfometuron Methyl, ethametsulfuron, bensulfuron-methyl or the wherein combination more than two kinds; Said phenoxy acetic acid class weed killer herbicide can be 2.4-D butyl ester, 2.4D chloro butyl ester, 2.4D fluoro butyl ester or the wherein combination more than two kinds.
Concrete; Another kind of weed killer herbicide complex provided by the invention can be said ammonium humate, nicosulfuron and the 2.4-D butyl ester aqueous solution after composite; In this weed killer herbicide complex; The volume ratio of said nicosulfuron and water is 6～7: 1, and the volume ratio of said 2.4D butyl ester and water is 0.5～0.7: 1, and the content of said ammonium humate is 6～7g/L.
The preparation method of ammonium humate of the present invention has adopted specific process conditions, the ammonium time that control is short; Make the ammonium humate that is prepared into not only solvability surpass 90%; And contain various active components such as terpene gibberellin, IA, the 6-BA basic element of cell division, vitamin PP degradation product and polyamines, plant hormone (anthocyanidin), fulvic acid, because of said components contains phenolic hydroxyl group, multiple functional groups such as hydroxyl, alcoholic extract hydroxyl group, hydroxyquinone, enol base, amino, quinonyl, quinone hydrogen base, methoxyl group; Ammonium humate than traditional sense; Have stronger cation exchange capacity (CEC), buffer capacity, adsorption capacity and catalytic capability, that is, show higher physiological activities; Thereby when using, be beneficial to the performance that promotes the effect of herbicides in the weed killer herbicide complex with mixture of herbicides.
Description of drawings
Fig. 1 is characteristic group's absworption peak figure of infrared spectroscopic determination ammonium humate of the present invention;
Fig. 2 is the characteristic component absworption peak figure of infrared spectroscopic determination ammonium humate of the present invention;
Fig. 3 is the LC-MS liquid chromatography-mass spectrography analysis chart of ammonium humate of the present invention.Wherein a is liquid-phase chromatographic analysis figure, and b, c are mass spectral analysis figure.
Embodiment
For making the object of the invention, technical scheme and technique effect clearer; To combine the specific embodiment of the invention and respective drawings below; Technical scheme in the embodiment of the invention is carried out clear, intactly description, but but following examples can not be interpreted as the qualification to practical range of the present invention, based on the embodiment among the present invention; All other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belong to the scope that the present invention protects.
In following examples, adopt the leonardite in Shanxi, available from Xiangning County, Shanxi Province, Linfen, from the coal mining Co., Ltd in counties such as stone, Jincheng, Xinzhou; Nicosulfuron is available from the biochemical Co., Ltd of the auspicious dragon in Dezhou, and wherein nicosulfuron has another name called beautiful rule, active ingredient 40 grams per liters; 2.4-D butyl ester is available from Shandong Qiaochang Chemical Co., Ltd, 2.4-D butyl ester active ingredient is 57%.
IR spectrometer model: Nicolet 6700, are determined at Institute of Analysis of East China University of Science and accomplish; HPLC (high performance liquid chromatography) chromatograph model: Agilent 1100, LC-MS liquid chromatography-mass spectrography model: Agilent11100-Finnigan LCQ Deca XP is determined at biotechnology key lab of country of East China University of Science and accomplishes.
Embodiment one
Specify ammonium humate provided by the invention and preparation method thereof through present embodiment.The preparation method of ammonium humate of the present invention comprises:
Leonardite is processed into powder, measures wherein that water content is approximately 20wt%, the content of humic acid is approximately 55.21% in this leonardite powder;
Above-mentioned leonardite powder is mixed in the reactor that has stirring and rolling device with 70: 30 ratio with carbonic hydroammonium; Under 15～20KW Motor Drive; Utilize and be welded on agitating plate and the milling roller on the turning cylinder circumference in the reactor at interval; The temperature that keeps weathered coal powder and bicarbonate mixture is at 16-35 ℃; Speed with 30r/min stirs, roll extrusion 1hr obtains ammonium humate of the present invention; Wherein, milling roller is for applying the milling roller of 1.6～2kg rolling pressure on unit are, and agitating plate that above-mentioned interval is provided with and milling roller can make leonardite powder and bicarbonate mixture alternately stirring, the roll extrusion of quilt within 1hr in the reactor.
The solubility that the ammonium humate of being processed by said method is tested in water tumbler reaches 95%.Concrete method of testing is following:
Claim 100g above-mentioned ammonium humate, the weight of putting into after drying machine drying to the basic constant weight is 80g, can think that the water content of above-mentioned ammonium humate is 20%.Dried above-mentioned ammonium humate is put into 2000ml distilled water water, fully stir 10min, make big portion humic acid soluble in water, precipitate 30min then, make insoluble matter deposition bottom, remove most of aqueous solution with siphonage.In remaining sediment, add 2000ml distilled water again, fully stir 10min, precipitate half an hour, remove the big portion aqueous solution with siphonage.Put into drying machine drying after remaining insoluble matter filtered with filter paper, weighing heavy remaining insoluble matter weight again in the balance is 4g.Right in calculating the solubility index, its account form is following:
Solubility=95%
The ammonium humate that method for preparing is become adopts its characteristic group of infrared spectroscopic determination and characteristic component; Mensuration result is as shown in Figure 1, and the characteristic group of ammonium humate has: carboxyl (1510cm
-1), hydroxyl (3300-3340cm
-1), amide groups (1620-1650cm
-1), in the alicyclic ring-flexible (1100-1030cm of C-O
-1), n methine (725cm
-1) etc.; Fig. 2 is the characteristic component peak of 50% o'clock above-mentioned ammonium humate for absorption intensity, and the characteristic component in the as can be seen from the figure above-mentioned ammonium humate has cellulose polysaccharide, inorganic ash content, humic acid degradation product, C
21H
47N
3O
10, ammonium polyphosphate etc.
On the basis of HPLC efficient liquid phase chromatographic analysis; The ammonium humate that method for preparing is become has carried out the analysis of LC-MS liquid chromatography-mass spectrography; The result shows that it is that (existing known gibberellin has 125 kinds for 317.02 terpene gibberellin that the ammonium humate of present embodiment contains the more molecular weight of relative amount; Typical gibberellin molecular weight is 343), molecular weight is 222.31 the 6-BA basic element of cell division (the 6-BA basic element of cell division, formal name used at school: 6-benzyl aminopurine; Typical 6-BA basic element of cell division molecular weight 225.3); Molecular weight is 102.24 vitamin PP degradation product (standard vitamin PP molecular weight 122.13), polyamines, plant hormone (steroid class, anthocyanidin), the fulvic acid of molecular weight between 401-752.The LC-MS liquid chromatography-mass spectrography figure of the ammonium humate of present embodiment method preparation sees Fig. 3.
Embodiment two
Specify another kind of ammonium humate provided by the invention and preparation method thereof through present embodiment.The preparation method of the ammonium humate of present embodiment comprises:
Leonardite is processed into powder, measures wherein that water content is approximately 20wt%, the content of humic acid is approximately 55.21% in this leonardite powder;
With above-mentioned leonardite powder and carbonic hydroammonium with 75: 25 mixed after; Under 15～20KW Motor Drive; Utilize and be welded on agitating plate and the milling roller on the turning cylinder circumference at interval; The temperature that keeps weathered coal powder and bicarbonate mixture is at 16-35 ℃, obtains ammonium humate of the present invention with speed stirring, the roll extrusion 1.5hr of 30r/min, wherein; Milling roller is for applying the milling roller of 1.6～2kg rolling pressure on unit are, leonardite powder that agitating plate that above-mentioned interval is provided with and milling roller can make each point and bicarbonate mixture are alternately stirred within 1.5hr, roll extrusion.
The solubility that the ammonium humate of being processed by said method is tested in water tumbler reaches 94%.Concrete method of testing is with embodiment one.Ammonium humate employing its characteristic group of infrared spectroscopic determination that the present embodiment method is prepared into and characteristic component and LC-MS liquid chromatography-mass spectrography figure result and embodiment one are basic identical, repeat no more at this.
Embodiment three
Specify weed killer herbicide complex provided by the present invention and herbicidal methods thereof through present embodiment.
A kind of weed killer herbicide complex, it is formulated that ammonium humate that is obtained by embodiment one method and glyphosate add water, and the content of said ammonium humate is 1g/L, and the content of said glyphosate is 5.5g/L.
Use sprayer to spray weeding said weed killer herbicide complex solution.Use the glyphosate aqueous solution 1 (content of glyphosate is 5.5g/L) that does not add ammonium humate as contrast 1 respectively; And the glyphosate aqueous solution 2 (content of glyphosate is 20g/L) that does not add ammonium humate promotes the weed killer herbicide herbicidal effect to verify as contrast 2 to ammonium humate of the present invention.
The test place: Dalate Banner, the Inner Mongol, the woods are called five strands of ground, town village together.
Situation experimental field: be located at motor-pumped well limit, farmland uncultivated area, the main weeds kind has: (Stellaria media (L.) cyr) 、 pivot holds (Plantago asiatica L.) before (Polygonum aviculare L.), Siberian cocklebur (Xanthium sibiricum patriun), black nightshade (Solanum nigrum L.), the car, smelly wormwood artemisia (Artemisia hedinii ostenf) etc. for lamb's-quarters (Chenopodium album L.), puncture vine (Tribulus terrestris L.), Amaranthus retroflexus (Amaranthus retroflexus.L), chickweed.Weeds are banded or bunch shape distributes, and cover ratio is about 50%, weeds fresh weight 200-500 gram/m
2, most of weeds are in the growth animated period, as lamb's-quarters bigger up to 30cm, a plurality of branches are arranged, Amaranthus retroflexus, wormwood artemisia are also more than 25cm, chrysanthemum has been opened in the puncture vine growth of crawling, tall and big in 5cm, little careless ratio is few, does not see the narrow leaf grass.
Sprayer: 3WBS-16A knapsack sprayer.
Administration time and application method: fine day, spray spray area 220m during 6-7 afternoon
2, wherein, the weed killer herbicide complex solution of present embodiment sprays wherein 1/3 area respectively with contrast 1,2 solution, and the weed killer herbicide complex solution that the control unit are is sprayed is identical with the amount of contrast 1, contrast 2 solution, is about 45～50ml/m
2
In 16 days after spraying above-mentioned weed killer herbicide complex solution, contrast 1, contrast 2 solution, the medication effect is added up, wherein, the poisoning intensity grade of main weeds is after the medication :-there is not a poisoning; + slight poisoning; ++ medium poisoning; +++serious poisoning; ++ ++ very serious poisoning; D is dead; The result is as shown in table 1:
Can find out that from last table main weeds poisoning intensity grade is with the variation of fate after the medication, the weed killer herbicide complex approximately is to rise one-level or half grade average every day; Contrast 1 approximately is to rise one-level or half grade in average per two days; Contrast and rise one-level 2 average every days.The glyphosate of same dosage; The drug effect reaction that contains the weed killer herbicide complex of ammonium humate does not add the contrast 1 fast 2-5 days (various weeds differ) of ammonium humate; Approaching with the herbicidal effect of contrast 2 high dose glyphosates; And the dosage that contrasts 2 glyphosates far surpasses the dosage range of the glyphosate that this area normally applies, can explain further that weed killer herbicide complex weeding drug effect of the present invention improves significantly.In addition, weed killer herbicide spray the various weeds in back to compound of weed killer reactions vary, lamb's-quarters is relatively responsive in the various weeds, smelly wormwood artemisia relatively has resistance, the puncture vine resistance is maximum, reacts the slowest.
Therefore, the ammonium humate of the inventive method preparation can promote the performance of the drug effect of glyphosate, shortens 2-5 days weeds reaction time, can be used to reduce the glyphosate consumption, reduces the pollution to environment.
Embodiment four
Specify another kind of weed killer herbicide complex provided by the present invention and herbicidal methods thereof through present embodiment.
A kind of weed killer herbicide complex; The ammonium humate that is obtained by embodiment one method and nicosulfuron and 2.4-D butyl ester add water and dispose and form; The volume ratio of said nicosulfuron and water is 6.7: 1; The volume ratio of said 2.4-D butyl ester and water is 0.67: 1, and the content of said ammonium humate is 0.67 grams per liter water.
As contrast; Use the nicosulfuron and the 2.4-D butyl ester that do not add ammonium humate to add the solution that the water configuration forms; The volume ratio of wherein said nicosulfuron and water is 6.7: 1; The volume ratio of said 2.4-D butyl ester and water is 0.67: 1, and the herbicidal effect of the weed killer herbicide complex of present embodiment is verified.
Experiment place: corn field.
The sample plot situation: native boundary is husky boundary soil, and base fertilizer is the sheep excrement, and the crop corn is arranged in the ground during medication, the high 18-22cm of corn, kind: directly restrain No. 7.In the ground there be main weeds: (Artemisia hedinii ostenf) 、 pivot holds (Polygonum aviculare L.), non-irrigated barnyard grass (Echinochloa crusgall: (L.) Beauv.var.hispidula (Retz) Hack etc., weeds fresh weight 100-300 gram/m for lamb's-quarters (Chenopodium album L.), puncture vine (Tribulus terrestris L.), Siberian cocklebur (Xanthium sibiricum patrin), Amaranthus retroflexus (Amaranthus retroflexus.L), lady's-grass (Digitaria sanguinalis (L.) scop), green foxtail (Setaria viridis (L.) Beauv), wild oat (Avena fatua L.), wild broomcorn millet (Eriochola villosa (Thunb) Kunth), smelly wormwood artemisia
2, weeds mean height 5-10cm, the weeds size is consistent, has only ridge, limit weeds big slightly.
Sprayer: 3WBS-16A knapsack sprayer.
Administration time and application method: fine day, 9 o'clock-10 o'clock morning.Spray area 667m
2, wherein the weed killer herbicide complex sprays wherein half the area respectively with contrast, and the amount of the weed killer herbicide complex solution that the control unit are is sprayed and the solution of contrast is identical, is about 20～25ml/m
2
In spraying above-mentioned weed killer herbicide complex solution, contrast solution 16 days, the medication effect is added up, wherein, the poisoning intensity grade of main weeds is after the medication :-there is not a poisoning; + slight poisoning; ++ medium poisoning; +++serious poisoning; ++ ++ very serious poisoning; D is dead; The result is as shown in table 2.
Can find out that from table 2 main weeds poisoning intensity grade is with the variation of fate after the medication, the weed killer herbicide complex approximately is to rise one-level or half grade average every day; Contrast approximately is to rise one-level or half grade in average per two days; The nicosulfuron and the 2.4-D butyl ester of same dosage; Add that ammonium humate (weed killer herbicide complex) was than the fast 3-5 of herbicidal effect that does not add ammonium humate (contrast) days; The weed killer herbicide complex that adds ammonium humate has the herbicidal effect of raising; Add ammonium humate and can reduce nicosulfuron and 2.4-D butyl ester usage amount, thereby reduce the pollution of weed killer herbicide to environment.And various weeds are had various reactions to compound of weed killer, and lamb's-quarters is relatively more responsive in the various weeds, and Amaranthus retroflexus relatively has resistance, and the resistance of wild broomcorn millet is maximum, reacts the slowest.
In addition; The advantage that adds the weed killer herbicide complex of ammonium humate is embodied in also that to spray the droplet moisture capacity strong; Loss, volatile ratio contrast will be lacked; Especially retention time is long slightly on the blade face can to find out the weed killer herbicide complex soup of sprinkling at fine day, can reduce weed killer herbicide like this and because of drift or volatilization the other weed killer herbicide of the influence of environment combined with humic acid to retrain weed killer herbicide moving freely in native boundary, thereby the minimizing weed killer herbicide is to the intrusion and the injury of non-object; Further promote the performance of effect of herbicides, and reduce pollution to the greatest extent to greatest extent environment.Observe the reaction of various weeds to the weed killer herbicide complex, little careless strong reaction was just bowed, turnup the same day that has; Also reaction quickening after big careless 2-3 days, dehydration is withered fast; Promptly stop growing after the medication of narrow leaf grass, the dehydration drying shrinkage is accelerated.These characteristics can reduce weeds rehabilitation, bounce-back, and reduce the procreation of long disease bacterium of causing of rotten time of weeds, demonstrate fully chemical weed control and combine with the close of the ecological agriculture.
In addition,, crop is safe from harm, therefore when humic acid amine of the present invention use composite, in raising weed killer herbicide herbicidal effect, also has the effect of promotion plant growth with it because of nicosulfuron and 2.4-D butyl ester are selective herbicides.When spraying the weed killer herbicide complex of present embodiment; Corn crop is sprayed simultaneously observed result: behind the spraying herbicide complex the 3rd day, can obviously find out corn than bud green before spraying; Drought resistance is strong; Do not have obvious wilting phenomenon, and that wilting phenomenon, leaf roll, look appear in the corn after the control treatment is grayish green, waters after 7 days and just recover; Corn after simultaneously the weed killer herbicide complex is handled than with control treatment after corn growth fast, the two is more than the height difference 3cm, growth differences is fairly obvious.The corn that obviously is superior to control treatment on corn growth state after the weed killer herbicide complex is handled, the drought resistance explains that ammonium humate and nicosulfuron and the composite use of 2.4-D butyl ester are improving growth potential and the drought resisting function of having given full play to corn when weed killer herbicide is brought into play drug effect again.
Claims (3)
1. a weed killer herbicide complex is characterized in that, this weed killer herbicide complex is that said ammonium humate is processed by following method by the aqueous solution behind ammonium humate and the organic phosphine class mixture of herbicides:
With weathered coal and carbonic hydroammonium with 2～4: 1 weight ratio is mixed, and under 16 ℃ of-35 ℃ of conditions, keeps to stir and the ammonium reaction is carried out in roll extrusion, processes ammonium humate,
Wherein mixing speed is 30～40r/min, and mixing time is 1～2hr, and rolling pressure is 1.6～2kg/cm
2, the content of humic acid is 30～70% in the said weathered coal.
2. weed killer herbicide complex according to claim 1 is characterized in that, said organic phosphine class weed killer herbicide is glyphosate or two propylamine phosphine.
3. weed killer herbicide complex according to claim 1 and 2; It is characterized in that; It is formulated that said weed killer herbicide complex adds water by said ammonium humate and glyphosate or two propylamine phosphine; In this weed killer herbicide complex, the content of said ammonium humate is 0.8～1.5g/L, and the content of said glyphosate or two propylamine phosphines is 6～7g/L.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110373896.4A CN102405933B (en) | 2010-09-21 | 2010-09-21 | Herbicide complex |
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| CN201010297999.2A Division CN101967167B (en) | 2010-09-21 | 2010-09-21 | Humic acidic ammonium and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111742930A (en) * | 2020-06-16 | 2020-10-09 | 安徽喜田生物科技有限公司 | Weeding composition containing potassium fulvate |
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2010
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| US5877114A (en) * | 1988-12-29 | 1999-03-02 | Anderson; Richard J. | Potentiating herbicidal compositions of auxin transport inhibitors and glyphosate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111742930A (en) * | 2020-06-16 | 2020-10-09 | 安徽喜田生物科技有限公司 | Weeding composition containing potassium fulvate |
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