CN103058779B - Pyridine.benzene thiamethoxam acyl fertilizer and production method thereof - Google Patents
Pyridine.benzene thiamethoxam acyl fertilizer and production method thereof Download PDFInfo
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Abstract
The invention discloses a pyridine.benzene thiamethoxam acyl fertilizer, which is prepared from pyrazosulfuron with herbicidal activity, mefenacet pesticide and a nitrogen fertilizer carrier by combination, wherein the weight ratio of the pyrazosulfuron to the mefenacet is 1-(20-30); and the nitrogen fertilizer carrier is composed of urea, ammonium chloride and packing. The production method of the fertilizer is also disclosed by the invention; water is taken as a solvent; fertilizer granules are prepared by a spray coating method; and the production method is short in technological process, small in environmental pollution, stable in quality, and good in application prospect; the obtained fertilizer granules are suitable for fertilizing and weeding of a paddy field, and the targets of saving work, time and labor can be achieved.
Description
Technical field
The invention belongs to rice terrace agricultural chemicals Weed removal medicinal fertilizer field, relate in particular to the phonetic benzene thiophene of a kind of pyrrole acyl Weed removal medicinal fertilizer and production method thereof.
Background technology
Acceleration along with China's urbanization, Development of Urbanization; people in the countryside, rural laborer shift to city in a large number; agriculture production will be to intensive, mass-producing, high efficiency future development, and the mode of production and the technical measures of raising labour efficiency, improve resource utilization will more and more be subject to people's attention.Weed removal medicinal fertilizer is scientifically integrated pesticide herbicide and carrier fertilizer organic combination, become a kind of polyfunctional " medicine is fertile " product, it has the usefulness of fertilizer and agricultural chemicals concurrently, applied once can complete two or more operations simultaneously, reach dual or multi-efficiency, realized saving of work and time labour-saving object.Scientific progress is exactly complicated thing will be simplified, saving of work and time is laborsaving is exactly to liberate the productive forces, numerous working people are freed from loaded down with trivial details agriculture business, go to create more social benefit, the reason that meets " lazyboot's science ", so the generation of medicine fertilizer is representing scientific progress, be the needs of modern agriculture with high efficiency development.
The research of Weed removal medicinal fertilizer is on the books in phase early 1960s, once the weedicide more than 300 that proposition can be mixed with fertilizer is planted, but there is the key technical problems such as quality uniformity, stability and application security in the fertile production process of medicine, so it is few to realize the product of industrialization, but also exist many jejune aspects, need scientific worker to remove research and probe.
Each composition weight ratio of the disclosed control paddy field weed agricultural chemicals of Chinese patent application " a kind of agricultural chemicals of preventing and treating paddy field weed and preparation method thereof " (application number 201210087514.6 open day on 08 08th, 2012) is: pyrazosulfuronmethyl 0.4-0.6%, mefenacet 6-9%, ammonium sulfate 77-84.5%, high effective additives 10%, its preparation method is to mix after mefenacet, pyrazosulfuronmethyl, ammonium sulfate, high effective additives are added to a certain amount of water, after stirring for some time, carry out granulation, finally filter, pack.This patent applicant also have invention " application method of control paddy field weed agricultural chemicals (application number 201210087515.0 open day on 08 22nd, 2012); above-mentioned agricultural chemicals Direct Uniform is spread fertilizer over the fields in field; using is conventional granular pesticide; as described in its specification sheets simple, the mechanically mixing of the method replace manually mix, medicine is easy to carry, spread fertilizer over the fields evenly, without powder drift feature; every mu of amount of application is only 500 grams; however this does not form medicine fertilizer efficiency fruit, fails to realize fertilization of rice and synchronizes the effect of carrying out with weeding.
Pyrazosulfuronmethyl (English popular name pyrazosulfuron-ethyl) is a kind of efficient sulfonylurea optional water field herbicidal, there is selectivity inner sucting conduction type performance, effective constituent can spread rapidly in water, after the root absorption of weeds, be transmitted in plant body, synthesizing of hindered aminoacid, thereby suppress the growth of weeds leaves and stems and the stretching, extension of root, until withered.It is to rice safety, and herbicidal spectrum is wide, better to prevention effect such as the various annual broadleaf weeds of rice terrace, sedge weed, barnyard grasses, and drug effect temperature influence not, and lasting medicine is disposable employed, can control the multiple weeds harm of rice growing season.Mefenacet (English popular name mefenacet) is a kind of acetamide-group herbicides, there is selectivity inner sucting conduction type performance, effective constituent is mainly by bud scale and root absorption, through xylem and phloem, conduct to young shoot and the tender leaf of weeds, stop the cell fission of weed growth point to be extended, finally cause plant dead.Strong to transplanting rice selectivity, because solubleness in water is low, so under water conservation condition, pesticide-applying weeding activity is the highest, soil is very strong to this product adsorptive power, after dispenser, dose major part is adsorbed on upper soll layer, and at upper soll layer 1cm with interior formation processing layer, can avoid like this contacting of paddy growth point and this medicament, make paddy rice produce higher security, thereby the weeds such as barnyard grass that vegetative point is in upper soll layer there is is stronger prevention fertility and kill ability, and the perennial weeds of the seminal propagation on top layer is also had to restraining effect, that rice terrace is used maximum safer weedicides.
Through retrieval, at present not yet relevant for the report that contains the agent for removing grass in paddy field medicine fertilizer of mefenacet, pyrazosulfuronmethyl pesticide herbicide.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of security is good, the phonetic benzene thiophene of the pyrrole of good stability acyl Weed removal medicinal fertilizer and production method thereof, to realize rice terrace fertilizing and weeding, synchronously carries out.
For solving the problems of the technologies described above, the present invention takes following technical scheme: the phonetic benzene thiophene of pyrrole acyl Weed removal medicinal fertilizer, and mainly by weedicide, formulation fertilizer containing nitrogen carrier and auxiliary agent, press row weight percent and make:
Weedicide: pyrazosulfuronmethyl 0.005%-0.3%, mefenacet 0.1%-5.0%,
Formulation fertilizer containing nitrogen carrier: 86.7%-99.345%,
Auxiliary agent: aqueous solvent 0.2%-3.0%, stablizer 0.1%-1.0%, diffusant 0.2%-2.0%, safener 0.05%-2.0%;
The weight ratio of pyrazosulfuronmethyl and mefenacet is 1:20-30, and formulation fertilizer containing nitrogen carrier is by urea, ammonium chloride and media assemblage, and its total nitrogen content accounts for the 12-25% of the fertile gross weight of medicine.
The weight ratio of pyrazosulfuronmethyl and mefenacet is 1:26.
This medicine fertilizer is granule.
Weedicide accounts for the 0.11%-1.0% of the fertile gross weight of medicine.
Stablizer is the mixture of potassium primary phosphate and 2,6 ditertiary butyl p cresol, or the mixture of glacial acetic acid and 2,6 ditertiary butyl p cresol.
Diffusant is one or more in methyl sodiosul foaliphatate, naphthalenesulfonic acid-formaldehyde condensate, sodium lauryl sulphate.
Safener is allyl dichloride amine, how to pacify, in fenclorim any two kinds.
Filler is one or more in kaolin powder, high-calcium powder, clay powder, diatomite.
The production method of the phonetic benzene thiophene of above-mentioned pyrrole acyl Weed removal medicinal fertilizer, comprises the following steps:
<1> prepares agricultural-chemical suspension mixture take water as solvent, the former medicine of pyrazosulfuronmethyl, the former medicine of mefenacet, stablizer, diffusant, safener and water are added in sand mill, through shearing sand milling, to material particular diameter, reach below 5 microns, obtain;
<2> prepares formulation fertilizer containing nitrogen carrier granule urea, ammonium chloride is mixed with filler compatibility, through drum granulating, Drying and cooling, screening, obtains;
<3> prepares agricultural chemicals herbicide fertilizer granules and adopts spraying coating method, the agricultural-chemical suspension mixture of step <1> is sprayed to coating on the formulation fertilizer containing nitrogen carrier granule of step <2>, mix, obtain.
The application of the phonetic benzene thiophene of above-mentioned pyrrole acyl Weed removal medicinal fertilizer is in earlier stage used this medicine for 5-10 days fertile after rice seedling is transplanted, and amount of application is thousand grams/acre of 5-25.
The problem existing for current Weed removal medicinal fertilizer, contriver has made great innovation in this patent, compared with prior art, is mainly reflected in following several respects:
<1> is according to different to the mechanism of action of weeds, and preferably benbbensulfuronmethyl and mefenacet carry out compatibility, probes into the stoichiometric(al) that obtains effective ingredient pesticide herbicide pyrazosulfuronmethyl and mefenacet in Weed removal medicinal fertilizer; Two kinds of weeding activity are high, herbicide spectrum and site of action are different, after mixed, can expand herbicide spectrum, improve weeding activity, when the weight ratio of benbbensulfuronmethyl and mefenacet is 1:20-30, its co-toxicity to barnyard grass in paddy field and nutgrass flatsedge is brought up to more than 130%, present significant synergism, when special weight ratio is 1:26, its co-toxicity to barnyard grass and nutgrass flatsedge has improved 166.86%, and synergism is the most remarkable.
<2> has great discovery to carrier fertilizer, tillers early stage, according to paddy growth physiological characteristic at rice striking root, this period, required phosphorus potassium nutrition was few, the main high nitrogen nutrition element that absorbs, to promote rice striking root to tiller, reaches the effect of early growth and quick tiller; Research finds that the reasonable coordination effect of ammonium chloride and urea is comparatively desirable, be conducive to paddy rice and absorb fast nutrient, especially in cold spell in later spring (or cold dew wind) low temperature period, can effectively manifest fertility effect (turning green for 3 days), promote paddy growth to improve cold tolerance, and the combination of probing into out urea and ammonium chloride is better than the fertility of other composite fertilizers of equal quality (content).
The combination of sciences of <3> pesticide herbicide and fertilizer carrier, weeds accelerate the conduction velocity to weedicide when absorbing fertilizer nutrition, thereby have accelerated the dead speed of weeds, and fertilizer has increased weeding drug effect; Weedicide kills weeds within the very first time, and weeds cannot fight for fertilizer nutrition, and fertilizer nutrition can be supplied with paddy growth in a large number, and weedicide has improved utilization rate of fertilizer; The combination of medicine fertilizer; generation has the fertile synergistic effect of medicine; the usefulness of building up fertility; improve weeding drug effect, particularly the annual grassy weeds of the rice terraces such as barnyard grass, Semen Euphorbiae, Herba Cyperi Difformis, Sheathed Monochoria had to good preventive effect, science, rationally, effectively utilized resource; numerous working people are freed from loaded down with trivial details agriculture business; realized the laborsaving object of saving of work and time, and protection of the environment, to reducing agricultural cost and increasing both production and income, there is good pushing effect.
<4> has filtered out and can guarantee that Weed removal medicinal fertilizer has the stablizer potassium primary phosphate (or glacial acetic acid) and 2 of stabilization, the mixture of 6-ditertbutylparacresol, after adding by a certain percentage, weedicide effective constituent rate of decomposition can be controlled in below 8%, has greatly improved the quality stability of Weed removal medicinal fertilizer;
<5> take safe production process environmental protection that water is solvent, be beneficial to production operation; Adopt spraying coating to prepare herbicide fertilizer granules and farthest reduced the environmental pollution that in the fertile production of medicine, the drift of weedicide powder causes.
<6> rice terrace agricultural chemicals of the present invention Weed removal medicinal fertilizer (the phonetic benzene thiophene of pyrrole acyl Weed removal medicinal fertilizer), at rice terrace, in earlier stage use, weeding is clean, rice shoot is turned green soon (within 3 days, turning green), tillered, can reach the effect of early growth and quick tiller, the net effect of management of weeds reaches 90%, and increasing production of rice reaches 27%.
Embodiment
In order to understand better essence of the present invention, with example, illustrate that Weed removal medicinal fertilizer of the present invention is in the application drug effect of rice field below, by national the Institute for the Control of Agrochemicals of the Ministry of Agriculture,PRC, be arranged in the provinces and regions agricultural chemicals arbitration departments such as Guangxi Zhuang Autonomous Region agriculture chemical examination administrative institute and carry out verification experimental verification, be summarized as follows:
Reagent agent:
(1) the fertile GR of Weed removal medicinal fertilizer-0.43% pyrazosulfuronmethyl mefenacet medicine, forms according to following examples 4.
(2) contrast medicament A-pyrazosulfuronmethyl 10% wettable powder.
(3) contrast medicament B-mefenacet 50% wettable powder.
(4) blank test CK: not dispenser.
Controlling object:
(1) barnyard grass [Echinochloa crusgalli (L.) Beauv.]
(2) Sheathed Monochoria [Monochoria vaginalis (Burm.f.) Preslex Kunth]
(3) Herba Cyperi Difformis [Cyperus difformis L.]
(4) Semen Euphorbiae [Leptochloa chinensis L.nees]
Test is processed:
(1) the fertile GR of medicine of the present invention, 8kg/ mu (commodity amount).
(2) the fertile GR of medicine of the present invention, 10kg/ mu (commodity amount).
(3) the fertile GR of medicine of the present invention, 12kg/ mu (commodity amount).
(4) the fertile GR of medicine of the present invention, 20kg/ mu (commodity amount).
(5) contrast medicament A-pyrazosulfuronmethyl 10% wettable powder, 15g/ mu (commodity amount).
(6) contrast medicament B-mefenacet 50% wettable powder, 50g/ mu (commodity amount).
(7) blank-CK.
0.43% pyrrole phonetic benzene thiophene acyl fertilizer granules (GR) is 5-10 days after rice transplanting (throw and plant), by the consumption of test design, directly spreads fertilizer over the fields; Pyrazosulfuronmethyl, mefenacet in contrast medicament, adopt pesticide-clay mixture method, and medicament and equivalent fertilizer are mixed all and spread fertilizer over the fields afterwards, and the fertilizer (from urea) of equivalent, not spraying herbicide are directly spread fertilizer over the fields in blank test; During dispenser agent, the field thin water layer water conservation 7 days of 3cm of having an appointment is undertaken by normal field management later, and each community water and fertilizer management is consistent, within after medicine 25 days, 45 days, carries out preventive effect investigation, and test-results sees the following form 1, table 2, table 3, table 4.
Table 1 is respectively processed after medicine 25 days to paddy field weed strain preventive effect
Table 2 is respectively processed after medicine 45 days to paddy field weed strain preventive effect
Table 3 is respectively processed after medicine 45 days to paddy field weed fresh weight preventive effect
After paddy field weed is prevented and kill off in each processing of table 4, paddy is surveyed product result
Test-results shows:
1) after medicine 25 days, the 0.43% pyrazosulfuronmethyl mefenacet fertilizer granules 8kg/667m that the present invention is prepared
2, 10kg/667m
2, 12kg/667m
2and 20kg/667m
2to total careless strain preventive effect be respectively 90.61%, 95.45%, 96.69% and 97.58%(table 1), compare 0.43% pyrazosulfuronmethyl mefenacet fertilizer granules 10kg/667m with 10% pyrazosulfuronmethyl WP 15g with control treatment 50% mefenacet WP 50g
2, 12kg/667m
2and 20kg/667m
2processing total careless strain preventive effect for 3 all reaches and significantly improves.
2) after medicine 45 days, 0.43% pyrazosulfuronmethyl mefenacet fertilizer granules 8kg/667m
2, 10kg/667m
2, 12kg/667m
2and 20kg/667m
2to total careless strain preventive effect be respectively 93.71%, 96.23%, 97.23% and 97.98%(table 2), compare 0.43% pyrazosulfuronmethyl mefenacet fertilizer granules 8kg/667m with 10% pyrazosulfuronmethyl WP 15g with control treatment 50% mefenacet WP 50g
2, 10kg/667m
2, 12kg/667m
2and 20kg/667m
2processing total careless strain preventive effect for 4 all reaches and significantly improves; And 0.43% pyrazosulfuronmethyl mefenacet fertilizer granules 8kg/667m
2, 10kg/667m
2, 12kg/667m
2and 20kg/667m
2to the fresh preventive effect of total grass be respectively 90.91%, 95.15%, 95.77% and 97.61%(table 3), compare 0.43% pyrazosulfuronmethyl mefenacet fertilizer granules 10kg/667m with 10% pyrazosulfuronmethyl WP15g with control treatment 50% mefenacet WP50g
2, 12kg/667m
2and 20kg/667m
2processing total careless fresh preventive effect for 3 all reaches and significantly improves.
3) under identical management condition (table 4), the fertile GR8kg/667m of 0.43% pyrazosulfuronmethyl mefenacet medicine that the present invention is prepared
2, 10kg/667m
2, 12kg/667m
2and 20kg/667m
2every per mu yield is respectively 329.96kg/667m
2, 333.32kg/667m
2, 337.53kg/667m
2, 334.16kg/667m
2, to process and compare with blank, the rice yield of above 4 processing is all significantly increased, and output has improved respectively 27.20%, 28.50%, 30.12%, 28.82%; Compare with 10% pyrazosulfuronmethyl WP 15g with control treatment 50% mefenacet WP 50g, rice yield improves more than 5%, significant difference.
Above-mentioned experiment shows, Weed removal medicinal fertilizer for paddy rice compatibility of the present invention is scientific and reasonable, no matter is that herbicidal effect or fertilizer efficiency all increase.The nitrogenous fertilizer material that the fertilizer carrier of medicine fertilizer of the present invention takes amidonitrogen, ammonium nitrogen to form, comparatively be applicable to the demand of rice plant of tillering stage to nitrogenous fertilizer, be conducive to From The Rhizosphere of Rice absorbed nitrogen nutrient, reach the effect of early growth and quick tiller, promote effective tillering, be conducive to increasing production of rice and increase income.
Below in conjunction with embodiment, the invention will be further described, and in embodiment, each proportioning raw materials is weight percentage.
Embodiment 1
Rice terrace agricultural chemicals Weed removal medicinal fertilizer, mainly by weedicide, formulation fertilizer containing nitrogen carrier and auxiliary agent, press row weight percent and make:
Weedicide: account for 0.14% of the fertile gross weight of medicine, be mixed with by weight 1:20 by pyrazosulfuronmethyl and mefenacet;
Formulation fertilizer containing nitrogen carrier: account for 98.86% of the fertile gross weight of medicine, be comprised of urea, ammonium chloride and filler kaolin powder, wherein urea and ammonium chloride compatibility are by weight 1:3, and total nitrogen (N) accounts for 12%.
Auxiliary agent: account for 1.0% of the fertile gross weight of medicine, wherein
Aqueous solvent: 0.4%;
Stablizer: 0.2%, by potassium primary phosphate and 2,6 ditertiary butyl p cresol by weight 1:3 compatibility;
Diffusant: 0.3%, by methyl sodiosul foaliphatate and sodium lauryl sulphate by weight 1:1 compatibility;
Safener: 0.1%, by fenclorim and allyl dichloride amine by weight 1:3 compatibility;
Produce according to the following steps the rice terrace agricultural chemicals herbicide fertilizer granules containing 0.14% pyrazosulfuronmethyl mefenacet:
<1> prepares agricultural-chemical suspension mixture take water as solvent, by processing requirement, the former medicine of pyrazosulfuronmethyl, the former medicine of mefenacet, stablizer, diffusant, safener and water are added in sand mill, through shearing sand milling, to material particular diameter, reach below 5 microns, mix, obtain;
<2> prepares formulation fertilizer containing nitrogen carrier granule urea, ammonium chloride is thrown in mixing tank and mixed with filler compatibility, through drum granulating, Drying and cooling, screening, obtains;
<3> prepares agricultural chemicals herbicide fertilizer granules and adopts spraying coating method, the agricultural-chemical suspension mixture of step <1> is sprayed to coating on the formulation fertilizer containing nitrogen carrier granule of step <2>, mix, obtain.
Using method and effect: after paddy rice throws cultivation, use in 5-10 days fields, sowing amount 20-25kg/ mu, after executing, maintain water in field 3-5 centimetre of water layer 5-7 days, can effectively control the weed encroachmenies such as Semen Euphorbiae, barnyard grass, Herba Cyperi Difformis, Sheathed Monochoria of rice terrace, realize weeding fertilising synchronous effect.
Embodiment 2
Rice terrace agricultural chemicals Weed removal medicinal fertilizer, mainly by weedicide, formulation fertilizer containing nitrogen carrier and auxiliary agent, press row weight percent and make:
Weedicide: account for 0.21% of the fertile gross weight of medicine, be mixed with by weight 1:20 by pyrazosulfuronmethyl and mefenacet;
Formulation fertilizer containing nitrogen carrier: account for 98.49% of the fertile gross weight of medicine, be comprised of urea, ammonium chloride and filler high-calcium powder, wherein urea and ammonium chloride compatibility are by weight 1:2, and total nitrogen (N) accounts for 16%.
Auxiliary agent: account for 1.3% of the fertile gross weight of medicine, wherein
Aqueous solvent: 0.3%;
Stablizer: 0.3%, by glacial acetic acid and 2,6 ditertiary butyl p cresol by weight 1:2 compatibility;
Diffusant: 0.6%, by methyl sodiosul foaliphatate and naphthalenesulfonic acid-formaldehyde condensate by weight 1:2 compatibility;
Safener: 0.1%, by fenclorim and allyl dichloride amine by weight 1:3 compatibility;
With reference to the method for embodiment 1, produce the rice terrace agricultural chemicals herbicide fertilizer granules containing 0.21% pyrazosulfuronmethyl mefenacet.
Using method and effect: after paddy rice throws cultivation, use in 5-7 days fields, sowing amount 15-20kg/ mu, after executing, maintain water in field 3-5 centimetre of water layer 5-7 days, can effectively control the weed encroachmenies such as Semen Euphorbiae, barnyard grass, Herba Cyperi Difformis, Sheathed Monochoria of rice terrace, realize weeding fertilising synchronous effect.
Embodiment 3
Rice terrace agricultural chemicals Weed removal medicinal fertilizer, mainly by weedicide, formulation fertilizer containing nitrogen carrier and auxiliary agent, press row weight percent and make:
Weedicide: account for 0.28% of the fertile gross weight of medicine, be mixed with by weight 1:20 by pyrazosulfuronmethyl and mefenacet;
Formulation fertilizer containing nitrogen carrier: account for 98.72% of the fertile gross weight of medicine, be comprised of urea, ammonium chloride and filler kaolin powder, wherein urea and ammonium chloride compatibility are by weight 1:2, and total nitrogen (N) accounts for 20%.
Auxiliary agent: account for 1.0% of the fertile gross weight of medicine, wherein
Aqueous solvent: 0.3%;
Stablizer: 0.2%, by potassium primary phosphate and 2,6 ditertiary butyl p cresol by weight 1:3 compatibility;
Diffusant: 0.45%, by methyl sodiosul foaliphatate and naphthalenesulfonic acid-formaldehyde condensate by weight 1:1 compatibility;
Safener: 0.05%, by fenclorim with how pacify by weight 1:3 compatibility;
With reference to the method for embodiment 1, produce the rice terrace agricultural chemicals herbicide fertilizer granules containing 0.28% pyrazosulfuronmethyl mefenacet.
Using method and effect: after paddy rice throws cultivation, use in 5-7 days fields, sowing amount 10-15kg/ mu, after executing, maintain water in field 3-5 centimetre of water layer 5-7 days, can effectively control the weed encroachment such as Semen Euphorbiae, barnyard grass, Herba Cyperi Difformis, Sheathed Monochoria of rice terrace, paddy rice is had to topdress simultaneously and put forward the effect of seedling.
Embodiment 4
Rice terrace agricultural chemicals Weed removal medicinal fertilizer, mainly by weedicide, formulation fertilizer containing nitrogen carrier and auxiliary agent, press row weight percent and make:
Weedicide: account for 0.43% of the fertile gross weight of medicine, be mixed with by weight 1:26 by pyrazosulfuronmethyl and mefenacet;
Formulation fertilizer containing nitrogen carrier: account for 98.47% of the fertile gross weight of medicine, be comprised of urea, ammonium chloride and filler kaolin powder, wherein urea and ammonium chloride compatibility are by weight 1:2, and total nitrogen (N) accounts for 18%.
Auxiliary agent: account for 1.1% of the fertile gross weight of medicine, wherein
Aqueous solvent: 0.3%;
Stablizer: 0.2%, by potassium primary phosphate and 2,6 ditertiary butyl p cresol by weight 1:3 compatibility;
Diffusant: 0.5%, by methyl sodiosul foaliphatate and sodium lauryl sulphate by weight 1:1 compatibility;
Safener: 0.1%, by fenclorim and allyl dichloride amine by weight 1:2 compatibility;
With reference to the method for embodiment 1, produce the rice terrace agricultural chemicals herbicide fertilizer granules containing 0.43% pyrazosulfuronmethyl mefenacet.
Using method and effect: after paddy rice throws cultivation, use in 5-10 days fields, sowing amount 8-10kg/ mu, after executing, maintain water in field 3-5 centimetre of water layer 5-7 days, can effectively control the weed encroachmenies such as Semen Euphorbiae, barnyard grass, Herba Cyperi Difformis, Sheathed Monochoria of rice terrace, realize weeding fertilising synchronous effect.
Embodiment 5
Rice terrace agricultural chemicals Weed removal medicinal fertilizer, mainly by weedicide, formulation fertilizer containing nitrogen carrier and auxiliary agent, press row weight percent and make:
Weedicide: account for 0.8% of the fertile gross weight of medicine, be mixed with by weight 1:30 by pyrazosulfuronmethyl and mefenacet;
Formulation fertilizer containing nitrogen carrier: account for 97.7% of the fertile gross weight of medicine, be comprised of urea, ammonium chloride and filler kaolin powder, wherein urea and ammonium chloride compatibility are by weight 1:1, and total nitrogen (N) accounts for 25%.
Auxiliary agent: account for 1.5% of the fertile gross weight of medicine, wherein
Aqueous solvent: 0.2%;
Stablizer: 0.3%, by potassium primary phosphate and 2,6 ditertiary butyl p cresol by weight 1:3 compatibility;
Diffusant: 0.9%, by methyl sodiosul foaliphatate and naphthalenesulfonic acid-formaldehyde condensate by weight 1:2 compatibility;
Safener: 0.1%, by fenclorim and allyl dichloride amine by weight 1:3 compatibility;
With reference to the method for embodiment 1, produce the rice terrace agricultural chemicals herbicide fertilizer granules containing 0.8% pyrazosulfuronmethyl mefenacet.
Using method and effect: after paddy rice throws cultivation, use in 5-10 days fields, sowing amount 5-8kg/ mu, after executing, maintain water in field 3-5 centimetre of water layer 5-7 days, can effectively control the weed encroachmenies such as Semen Euphorbiae, barnyard grass, Herba Cyperi Difformis, Sheathed Monochoria of rice terrace, realize weeding fertilising synchronous effect.
Claims (5)
1. the phonetic benzene thiophene of a pyrrole acyl Weed removal medicinal fertilizer, is characterized in that by weedicide, formulation fertilizer containing nitrogen carrier and auxiliary agent, pressing row weight percent makes:
Weedicide: pyrazosulfuronmethyl 0.005%-0.3%, mefenacet 0.1%-5.0%, the weight ratio of pyrazosulfuronmethyl and mefenacet is 1:26;
Formulation fertilizer containing nitrogen carrier: 86.7%-99.345%,
Auxiliary agent: aqueous solvent 0.2%-3.0%, stablizer 0.1%-1.0%, diffusant 0.2%-2.0%, safener 0.05%-2.0%;
Described weedicide accounts for the 0.11%-1.0% of the fertile gross weight of medicine;
Described formulation fertilizer containing nitrogen carrier is by urea, ammonium chloride and media assemblage, and its total nitrogen content accounts for the 12-25% of the fertile gross weight of medicine;
Described stablizer is the mixture of potassium primary phosphate and 2,6 ditertiary butyl p cresol, or the mixture of glacial acetic acid and 2,6 ditertiary butyl p cresol;
Described diffusant is one or more in methyl sodiosul foaliphatate, naphthalenesulfonic acid-formaldehyde condensate, sodium lauryl sulphate;
Described safener is allyl dichloride amine, how to pacify, in fenclorim any two kinds;
Described Weed removal medicinal fertilizer is manufacture according to the following steps:
<1> prepares agricultural-chemical suspension mixture take water as solvent, the former medicine of pyrazosulfuronmethyl, the former medicine of mefenacet, stablizer, diffusant, safener and water are added in sand mill, through shearing sand milling, to material particular diameter, reach below 5 microns, obtain;
<2> prepares formulation fertilizer containing nitrogen carrier granule urea, ammonium chloride is mixed with filler compatibility, through drum granulating, Drying and cooling, screening, obtains;
<3> prepares agricultural chemicals herbicide fertilizer granules and adopts spraying coating method, the agricultural-chemical suspension mixture of step <1> is sprayed to coating on the formulation fertilizer containing nitrogen carrier granule of step <2>, mix, obtain.
2. the phonetic benzene thiophene of pyrrole according to claim 1 acyl Weed removal medicinal fertilizer, is characterized in that this medicine fertilizer is granule.
3. the phonetic benzene thiophene of pyrrole according to claim 1 acyl Weed removal medicinal fertilizer, is characterized in that: described filler is one or more in kaolin powder, high-calcium powder, clay powder, diatomite.
4. the production method of the phonetic benzene thiophene of pyrrole acyl Weed removal medicinal fertilizer according to claim 1, is characterized in that comprising the following steps:
<1> prepares agricultural-chemical suspension mixture take water as solvent, the former medicine of pyrazosulfuronmethyl, the former medicine of mefenacet, stablizer, diffusant, safener and water are added in sand mill, through shearing sand milling, to material particular diameter, reach below 5 microns, obtain;
<2> prepares formulation fertilizer containing nitrogen carrier granule urea, ammonium chloride is mixed with filler compatibility, through drum granulating, Drying and cooling, screening, obtains;
<3> prepares agricultural chemicals herbicide fertilizer granules and adopts spraying coating method, the agricultural-chemical suspension mixture of step <1> is sprayed to coating on the formulation fertilizer containing nitrogen carrier granule of step <2>, mix, obtain.
5. the application of the phonetic benzene thiophene of pyrrole acyl Weed removal medicinal fertilizer according to claim 1, is characterized in that after rice seedling is transplanted, within 5-10 days, using this medicine fertile, and amount of application is thousand grams/acre of 5-25.
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| CN104557328A (en) * | 2015-02-11 | 2015-04-29 | 江苏宏洋肥力特生物科技有限公司 | Slow-release water-soluble fertilizer granules containing pesticide layer |
| CN105325443A (en) * | 2015-10-21 | 2016-02-17 | 河南中天恒信生物化学科技有限公司 | Pyrazosulfuron and bensulfuron methyl paddy field pesticide fertilizer particle, and preparation method thereof |
| CN106259404B (en) * | 2016-08-11 | 2017-12-19 | 中国农业大学 | Fertilizer granules and preparation method and application containing Pendimethalin and pyrazosulfuron |
| CN107960420A (en) * | 2016-10-19 | 2018-04-27 | 大连广达农药有限责任公司 | A kind of composition pesticide for preventing and kill off transplanted rice field malignant weed and preparation method thereof |
| CN107836451A (en) * | 2017-09-30 | 2018-03-27 | 安徽华星化工有限公司 | One kind is containing cyhalofop-butyl, mefenacet and pyrazosulfuron sustained release herbicide |
| CN111763125A (en) * | 2020-06-02 | 2020-10-13 | 广西金裕隆农药化工有限公司 | Rice slow-release pesticide fertilizer containing tetrachlorantraniliprole and mefenacet and preparation method thereof |
| CN112825861A (en) * | 2021-02-04 | 2021-05-25 | 四川眉山凯尔化工有限公司 | Compound pesticide herbicide |
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