CN102674973B - Herbicide-fertilizer for direct-seeding rice field and production method of herbicide-fertilizer - Google Patents
Herbicide-fertilizer for direct-seeding rice field and production method of herbicide-fertilizer Download PDFInfo
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Abstract
The invention discloses a herbicide-fertilizer for a direct-seeding rice field. The herbicide-fertilizer contains herbicide-fertilizer mixture which is prepared by using bensulfuron-methyl with weeding activity, pretilachlor herbicide and a nitrogen-containing fertilizer, wherein the weight ratio of the bensulfuron-methyl to the pretilachlor is 1:9 and the nitrogen-containing fertilizer consists of urea and ammonium sulfate with weight ratio being 1:2. The invention additionally discloses a production method of the herbicide-fertilizer. Water is used as solvent. A spray-coating method is used for preparing herbicide-fertilizer particle mixture. The process flow is short, the quality is stable and the yield is high. The prepared herbicide-fertilizer is suitable for direct-seeding rice fields, can realize synchronous fertilization and weeding, has the characteristics of high safety, excellent stability and good efficacy, and can achieve the goal of labor saving and time saving.
Description
Technical field
The present invention relates to agricultural chemicals Weed removal medicinal fertilizer, especially a kind of rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer and production method thereof.
Background technology
During traditional agriculture is produced, applying pesticides in arable farming pattern, to spread fertilizer over the fields fertilizer be mostly separate operation, and not only time-consuming but also effort is incompatible with the development of modern agriculture with high efficiency.In the particularly nearly stage, China carries out the process of urbanization in acceleration, Process of Urbanization Construction, and after people in the countryside, rural laborer shift to city in a large number, a lot of local agricultural labor shortage problems seriously highlight; China's agricultural, to intensive, mass-producing, high efficiency development, faces human resources situation in short supply now.Thereby modern agriculture with high efficiency need of production multi-functional " medicine fertilizer " product, had not only had the usefulness of fertilizer but also had the usefulness of agricultural chemicals, applied once can complete two or more operations simultaneously, reaches dual or multi-efficiency, realizes the laborsaving object of saving of work and time.Scientific-technical progress will become simplification complicated thing exactly, 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, meet the reason of " lazyboot's science ", so the generation of medicine fertilizer is representing scientific-technical progress, be the needs of modern agriculture with high efficiency development.
Direct sowing of rice technology is that the rice cropping pattern of coming was risen in recent years in China, it saves conventional cultivation seedling, pulls up seedlings and transplant seedlings operation compared with traditional cultivation pattern, turn over whole ground or rake after large field directly sow, making paddy rice ripe results from seed germination to paddy rice is all to grow continuously this Tanaka, shorten the vegetative period of paddy rice, can saving of labor, laborsaving, save rice seedling bed and seed, improved economic benefit, be conducive to power operation.But direct seading rice seeding stage field shade rate is little, field soil keeps moistening or shoaling layer, very suitable weed germination and growth, therefore, the Weed species and quality of direct sowing rice field is more than transplant field, seedling throwing field, and synchronize with paddy growth, prevent and kill off more difficult.At present, the main method of rice direct seeding field weeding is: <1> takes to broadcast front 3-5 days and coordinates herbicide spraying weeding while harrowing a field; <2> is (first germination peak) herbicide spraying sealing weeding 2-5 days time after broadcasting; <3> (second germination peak) herbicide spraying 15-20 days time after broadcasting.Rice direct seeding field conventional criteriaization management is at least carried out eliminating for twice, has that dosage is many, cost is high, time-consumingly takes a lot of work, the drawback such as contaminate environment.Weeds harm is the biggest problem of direct sowing of rice technology popularization, realizes disposable eliminating in direct seading rice field, and direct sowing of rice technology popularization application is had important practical significance.
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 in the fertile production process of medicine, there is the key technical problems such as quality uniformity, stability and application security, so it is few to realize the product of industrialization.Due to the development need of high-efficiency agriculture, the fertile good effect of medicine has obtained broad masses' approval, thereby has promoted the researchdevelopment of medicine fertilizer in recent years.
Chinese patent application " fertilizer granules " (200810028882.7 open days on December 10th, 2008 of application number) discloses a kind of fertilizer granules of using containing the agriculture production of weedicide and fertilizer, is formed by benbbensulfuronmethyl, the third careless amine or quinclorac, dispersing auxiliary, safener, sustained release dosage, middle trace element zinc, boron and macroelement NPK fertilizers mixing granulation.In " Weed removal medicinal fertilizer for paddy rice and manufacture method thereof " (200710135666.8 open days on October 10th, 2007 of the patent No.) of previously exploitation of contriver, benbbensulfuronmethyl, the third careless amine, tensio-active agent, safener, solubility promoter and carrier fertilizer (N) etc. are mixed and made into Weed removal medicinal fertilizer for paddy rice according to a certain ratio.Although above-mentioned patent has mentioned that pesticide herbicide benbbensulfuronmethyl, the third careless amine and carrier fertilizer (or compound manure) are by the Weed removal medicinal fertilizer of different components, content composition, Weed removal medicinal fertilizer security, stability and effect are subject to various factors, special and its composition is closely bound up, but how prior art does not bring into play best weeding drug effect to benbbensulfuronmethyl and the third careless amine is carried out more deep research.In addition; in the fertile production of medicine at present, generally adopt organic solvent; select N-methyl two pyrroles as contriver's aforementioned patent and iron the solubility promoter dilutions such as cyclic ketones, tetramethylene sulfone, methyl alcohol, according to coating method principle, pesticide herbicide is sprayed to coating and make the fertile particle mixture of medicine to carrier fertilizer (N).These class methods are unfavorable for production operation, and exist the danger of serious environment pollution.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of security is good, good stability, effect are good, pollute the rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer and the production method thereof that reduce.
For solving the problems of the technologies described above, the present invention takes following technical scheme: rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer, mainly pressing row weight percent by weedicide, formulation fertilizer containing nitrogen and auxiliary agent makes: weedicide: benbbensulfuronmethyl 0.01%-0.15%, the third careless amine 0.09%-1.0%, formulation fertilizer containing nitrogen: total nitrogen accounts for 15%-35%, auxiliary agent: aqueous solvent 0.2%-2.0%, stablizer 0.1%-1.0%, diffusant 0.2%-2.0%, safener 0.05%-3.0%; All the other are filler; The weight ratio of benbbensulfuronmethyl and the third careless amine is 1:9, formulation fertilizer containing nitrogen by urea and ammonium sulfate by weight forming for 1:2.
Weedicide accounts for the 0.1%--0.42% of the fertile gross weight of medicine.
Stablizer is the mixture of potassium primary phosphate and 2,6 ditertiary butyl p cresol.
The weight ratio of potassium primary phosphate and 2,6 ditertiary butyl p cresol is 1:2-1:1.
Diffusant is the mixture of fatty alcohol-polyoxyethylene ether and castor oil polyoxyethylene ether.
The weight ratio of fatty alcohol-polyoxyethylene ether and castor oil polyoxyethylene ether is 1:2-1:1.
Safener is allyl dichloride amine, fenclorim, 2, one or more during 4-drips.
Safener is allyl dichloride amine, fenclorim, 2, during 4-drips any two kinds, and its weight ratio is 1:3-1:1.
Filler is one or more in kaolin powder, clay powder, diatomite.
The production method of above-mentioned rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer, comprises the following steps:
<1> prepares agricultural-chemical suspension mixture take water as solvent, and former benbbensulfuronmethyl medicine, the third careless amine crude oil, stablizer, diffusant and safener are added to the water and are mixed, and to obtain final product;
<2> prepares formulation fertilizer containing nitrogen particle urea and ammonium sulfate is thrown in mixing tank and mixed with the filler such as kaolin, clay powder, through drum granulating, Drying and cooling, to obtain final product;
<3> prepares agricultural chemicals Weed removal medicinal fertilizer particle mixture and adopts spraying coating method; the agricultural-chemical suspension mixture of step <1> is sprayed to coating on the formulation fertilizer containing nitrogen particle of step <2>; mix, to obtain final product.
The problem existing for existing Weed removal medicinal fertilizer, contriver further improves on former patent basis, and improve and promoted Weed removal medicinal fertilizer correlation technique, mainly:
(1) in the Weed removal medicinal fertilizer for paddy rice combination containing pesticide herbicide benbbensulfuronmethyl, the third careless amine effective ingredient at present, search out best proportioning, in the time that the weight ratio of benbbensulfuronmethyl and the third careless amine is 1:9, its synergism is the most remarkable, to the co-toxicity EC of barnyard grass in paddy field and nutgrass flatsedge
50for 0.75mg/L, synergy multiple is 1.97 times;
(2) former patent carrier fertilizer (N) is made to optimization, research is visited and derived the optimum weight ratio of fertile urea and ammonium sulfate is 1: 2, its total nitrogen (N) 15%-35%, use according to this, the tiller number of paddy rice, plant height, leaf are wide, number of productive ear and output are all better than other, and have overcome nitrogenous fertilizer (ammonium chloride) and use unsafe present situation seedling stage at rice direct seeding field;
(3) research filters out and a kind ofly can guarantee that Weed removal medicinal fertilizer has the stablizer (potassium primary phosphate 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%, improves the steady quality performance of Weed removal medicinal fertilizer;
(4) take water as solvent, adopt spraying coating legal system for agent for removing grass in paddy field medicament-fertilizer mixture, safety and environmental protection, minimizing are polluted, are beneficial to production operation, have ensured personnel safety;
(5) the good diffusant filtering out, adopt a certain proportion of fatty alcohol-polyoxyethylene ether and castor oil polyoxyethylene ether mixture replacing the tensio-active agent in former patent, can guarantee to produce with water as solvent the smooth enforcement of agricultural-chemical suspension mixture;
(6) propose to combine and use allyl dichloride amine, fenclorim, 2, multiple as composite safe agent during 4-drips, than the more outstanding safety of single use herbicide-safener (4, the chloro-2-phenyl-pyrimidine of 6-bis-).
(7) application rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer of the present invention, can use in rice direct seeding field early stage (when live rice shoot is 1.5-2.0 leaf phase or base manure), also can use early stage in the growth of rice transplanting (rice transplanting) field, or within 5-10 days, use after rice transplanting (rice transplanting); According to paddy growth nutritional needs feature, weedicide content and safe handling amount, its amount of application is thousand grams/acre of 5-40; Compared with the Weed removal medicinal fertilizer product of other compatibilities, drug action of the present invention strengthens 12%, fertilizer efficiency effect volume increase 10%.
Embodiment
Below in conjunction with research situation and the embodiment of rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer, further illustrate content of the present invention.
The research of rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer
Best synergism, nutriment in a fertilizer best compatibility and the fertilizer integrated with pesticide effect of contriver to rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer Pesticides weedicide composition benbbensulfuronmethyl and the third careless amine, has carried out correlation test research and field experiment.
One, the best synergy test research of pesticide herbicide
(1) reagent agent
A. the former medicine of benbbensulfuronmethyl 95% (Jiangsu Changlong Chemical Co's product); B. the former medicine of the third careless amine 95% (Jiangsu Changlong Chemical Co's product); C. the careless amine mixture of benbbensulfuronmethyl third (being designated hereinafter simply as benzyl the third grass) 1#, 2#, 3#,, 4#, 5#(utilize benbbensulfuronmethyl and the former medicine of the third careless amine, formulated in the ratio of effective constituent 1:5,1:7,1:9,1:11,1:13).
(2) measuring method
First the seed of the barnyard grass (Echinochloa rusglli) of preserving and cyperus iria (Cyperus iria) is soaked to 36h, the consistent seed that shows money or valuables one carries unintentionally is chosen in vernalization in the time of Seed sprouting, uses cuvette method to measure.To two kinds of long inhibiting rates of careless bud, set up the virulence regression equation of each medicament according to each medicament by method of least squares, then calculate concentration (EC in the inhibition of each medicament
50), calculate the cotoxicity coefficient (CTC) of each medicament with reference to Sun Yunpei (1960) method, evaluate its synergism.
(3) measurement result
Test-results is in table 1.
The different proportioning mixtures of table 1 and co-toxicity and the synergism of monomer whose to barnyard grass and nutgrass flatsedge
EC from effective constituent to barnyard grass and the long inhibiting rate of nutgrass flatsedge bud
50see, in the different proportioning mixtures of the careless amine of benbbensulfuronmethyl third, virulence height order is: the careless 3# > of benzyl third 2# > 1# > 4# > 5#, and the highest with the careless 3# virulence of benzyl third, its EC
50be 0.75 mg/l, with the virulence minimum of the careless 5# proportioning of benzyl third mixture, its EC
50for 1.15mg/l.Due to the EC of built agent
50all be less than single dose, illustrate composite after, improved the virulence of medicament to barnyard grass and nutgrass flatsedge.
Take the toxicity index of benbbensulfuronmethyl as 100, calculate the relative virus force index of other medicament, according to the composition of two kinds of effective constituents in each mixture, try to achieve the theoretical toxicity index of different proportioning mixtures, try to achieve according to this cotoxicity coefficient of different proportioning mixtures, in table 1.Visible, in several proportioning mixtures of measuring, with the careless 3#(benbbensulfuronmethyl of benzyl third: third careless amine=1:9) cotoxicity coefficient maximum, reaching 197.11, its co-toxicity to barnyard grass and nutgrass flatsedge has improved 97.11%.
The above results shows, in medicine fertilizer, weedicide assembly is take benbbensulfuronmethyl: third careless amine=1:9 is as best proportioning.
Two, the best compatibility experimental study of carrier formulation fertilizer containing nitrogen
(1) for examination fertilizer
20% ammonium sulfate (Liuzhou fertilizer plant), 46% urea (Yunnan Yun Wei Group Co.,Ltd), urea and ammonium sulfate in the ratio of 1:0,1:1,1:2,1:3,2:1,3:1 respectively mixture become mixed fertilizer.
(2) measuring method
Test in greenhouse with pot-culture method, return indoorly from collection top layer, the paddy field mud of fertile soil, be contained in the plastic tub that diameter is 33cm, every basin 5kg, smooth rear program request is through 20 of the rice paddy seeds of vernalization, and kind is in being excellent 253.Put in 26～30 ℃ of greenhouses, grow to 4 leaf phase applying fertilizers in paddy rice, amount of application is for amounting to purity nitrogen 1.8kg/667m
2, 3 repetitions of every processing.
Apply fertilizer and carry out paddy growth condition survey in latter 20 days, method is: every basin is got 10 strains, investigates the plant height of the tiller number of every strain, main seedling and the width of the long blade of every strain.
(3) measurement result
Test-results is in table 2.
In table 2 medicine fertilizer, urea proportionings different from ammonium sulfate are on paddy growth impact test
From table 2, in medicine fertilizer, add the tiller number, plant height, Ye Kuanjun of the paddy rice of the processing of ammonium sulfate than the height of alone urea, and reach significant difference; And urea is different from the ratio of ammonium sulfate in medicine fertilizer, the wide impact of the tiller number on paddy rice, plant height, leaf is also different, wherein can promote growing of paddy rice take the ratio of urea and ammonium sulfate as 1:2, and its tiller number, plant height, Ye Kuanjun are higher than other proportionings.Therefore, consider from the price factor of above-mentioned each side and fertilizer, in medicine fertilizer, formulation fertilizer containing nitrogen is take the ratio of urea and ammonium sulfate as 1:2 is as good.
Three, weedicide and fertilizer are mixed and made into the affect experimental study of Weed removal medicinal fertilizer on herbicidal effect
(1) for examination material
A, the careless medicament-fertilizer mixture of 0.2% benzyl third: press benzyl the third grass (1:9) mixture 0.2%(folding effective constituent, lower with)+urea is made into mixed preparation with the ratio of ammonium sulfate (1:2) mixture 69.8%+ filler (wherein containing auxiliary agent) 30%.
B, the careless mixture of 0.2% benzyl third: in the ratio of benzyl the third grass (1:9) mixture 0.2%+ filler (wherein containing auxiliary agent) 99.8%, be made into mixture medicament in contrast.
(2) measuring method
Test in greenhouse with pot-culture method, two kinds of mixtures all arrange treatment dosage, i.e. a 10kg/667m
2(1.0g/ basin), every processing 1 basin, establishes 3 repetitions.
Return indoorly from collection top layer, the paddy field mud of fertile soil, be contained in the square porcelain basin of 33.3 × 20cm, every basin 2.5kg, each 20 of barnyard grass kind, nutgrass flatsedge kind that smooth rear program request has just been sprouted through vernalization, put in 26～30 ℃ of greenhouses, dispenser during to this two kinds of careless withdrawals of needle.When dispenser, the depth of water in basin is adjusted into 0.5cm, then the clear water dilution containing 0.1% twen-80 for reagent agent, is evenly sprayed onto in basin and on examination grass by design dosage.After medicine, in 10 days, keeping water layer in basin is 0.5cm left and right, after 10 days, keeps moistening in basin other weeds are grown.Within 10 days after medicine, investigate each basin barnyard grass, nutgrass flatsedge survival strain number; Within after medicine 30 days, collect all weeds of each basin (comprising monocotyledon weed and the broadleaf weed naturally growing afterwards) and claim its fresh weight, and compare prevention effect.
(3) measurement result (in table 3)
Table 3 weedicide mixes the impact test on herbicidal effect with fertilizer
From table 3, benzyl the third grass (1:9) becomes with fertilizer mixture after 0.2% benzyl the third grass (1:9) medicament-fertilizer mixture, it is to supplying the preventive effect of examination weeds apparently higher than benzyl the third grass (1:9) mixture, drug effect improves 15%, illustrates that this proportioning weedicide and fertilizer are mixed and made into Weed removal medicinal fertilizer drug action and strengthen obviously.
Four, the field test effect of Weed removal medicinal fertilizer for paddy rice comparison
1. test with medicament
The careless amine fertilizer granules of test medicine-0.2% benbbensulfuronmethyl third (weedicide compatibility: the careless amine=1:9 of benbbensulfuronmethyl+the third,
Carrier fertilizer (16%): urea+ammonium sulphate=1+2), form according to following examples 1.
Contrast medicament A-0.2% benbbensulfuronmethyl the third careless amine fertilizer granules (weedicide compatibility: the careless amine=1:9 of benbbensulfuronmethyl+the third,
Carrier fertilizer (16%): urea+ammonium chloride=1+2).
Contrast medicament B-0.2% benbbensulfuronmethyl the third careless amine fertilizer granules (weedicide compatibility: the careless amine=1:5 of benbbensulfuronmethyl+the third,
Carrier fertilizer (16%): urea+ammonium sulphate=1+2).
Contrast medicament C-0.2% benbbensulfuronmethyl the third careless amine fertilizer granules (weedicide compatibility: the careless amine=1:11 of benbbensulfuronmethyl+the third,
Carrier fertilizer (16%): urea+ammonium sulphate=1+2).
Contrast medicament D-0.2% benbbensulfuronmethyl the third careless amine fertilizer granules (weedicide compatibility: the careless amine=1:5 of benbbensulfuronmethyl+the third,
Carrier fertilizer (16%): urea+ammonium chloride=1+2).
Contrast medicament E-0.2% benbbensulfuronmethyl the third careless amine fertilizer granules (weedicide compatibility: the careless amine=1:11 of benbbensulfuronmethyl+the third,
Carrier fertilizer (16%): urea+ammonium chloride=1+2).
Blank test: the not dispenser of applying fertilizer (carrier fertilizer (16%): urea+ammonium sulphate=1+2).
2. controlling object
(1) Semen Euphorbiae [Leptochloria chinesis.]
(2) barnyard grass [Echinochloa crusgalli (L.) Beauv.]
(3) Herba Cyperi Difformis [Cyperus difformis L.]
(4) purslane [Potulaca oleracea L.]
3. test is processed
Test medicine with contrast medicament, consumption is executed by 10 kg/667 ㎡, the fertilizer of equivalent, not spraying herbicide are directly spread fertilizer over the fields in blank test; Grow to the 1.5-2.0 leaf phase at rice direct seeding field rice shoot and directly spread fertilizer over the fields, keep water in field 1-2 centimetre while spreading fertilizer over the fields, undertaken later by normal field management, each community water and fertilizer management is consistent.Within after medicine 25 days, 45 days, carry out preventive effect investigation, test-results sees the following form 4, table 5, table 6, table 7:
Table 4 is each processes after medicine 25 days to direct sowing of rice field weed strain preventive effect
Table 5 is each processes after medicine 45 days to direct sowing of rice field weed strain preventive effect
Table 6 is each processes after medicine 45 days to direct sowing of rice field weed fresh weight preventive effect
After direct sowing of rice field weed is prevented and kill off in the each processing of table 7, paddy is surveyed product result
Field test effect shows, the fertile GR(of the careless amine medicine of test medicine-0.2% benbbensulfuronmethyl third forms according to following examples 1), under identical mu amount of application, Weed removal medicinal fertilizer for paddy rice prepared by different compatibilities, its effect has significance difference distance:
1) identical weedicide compatibility has gap under different carriers fertilizer (N), test medicine Weed removal medicinal fertilizer with contrast medicament A and compare: drug effect improves more than 12%, and stimulation ratio improves 11%.
2) different weedicide compatibilities have gap under same vehicle fertilizer (N), test medicine Weed removal medicinal fertilizer with contrast medicament B, C and compare: drug effect improves 13-15%, and stimulation ratio improves 10%.
3) different weedicide compatibilities have gap under different carriers fertilizer (N), test medicine Weed removal medicinal fertilizer with contrast medicament D, E and compare: drug effect improves 12-15%, and stimulation ratio improves 15%.
Test-results comparison, Weed removal medicinal fertilizer for paddy rice product of the present invention is than the Weed removal medicinal fertilizer for paddy rice product of other compatibilities, and effect is greatly improved, and drug action strengthens 12%, fertilizer efficiency effect volume increase 10%.
Five, stablizer is to rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer Pesticides weedicide ingredient stability test effect of the present invention (in table 8)
The test of table 8 heat storage stability
Before optimizing, Weed removal medicinal fertilizer for paddy rice is used the organic bases such as trolamine, glacial acetic acid (acid) used as stabilizers conventionally, mainly mounting medium is carried out to pH value adjustment, stabilising effect fluctuation is larger, and the stablizer (potassium primary phosphate and 2 that research filters out, the mixture of 6-ditertbutylparacresol), after adding by a certain percentage, weedicide effective constituent rate of decomposition can be controlled in below 5%, significantly improves the steady quality performance of Weed removal medicinal fertilizer.
Test-results is known: after adding stablizer in rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer, pesticide herbicide is had to obvious stabilization, weedicide effective constituent rate of decomposition can be controlled in below 3.5%, reduces by 5% than before optimizing, and quality product gets a promotion.
Embodiment 1
Rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer, mainly presses row weight percent by weedicide, formulation fertilizer containing nitrogen and auxiliary agent and makes: weedicide: account for 0.1% of the fertile gross weight of medicine, be mixed with by weight 1:9 by benbbensulfuronmethyl and the third careless amine;
Formulation fertilizer containing nitrogen particle: account for 99% of the fertile gross weight of medicine, be made up of urea, ammonium sulfate and filler kaolin powder etc., wherein urea and ammonium sulfate compatibility are by weight 1:2, and total nitrogen accounts for 30%;
Auxiliary agent: account for 0.9% 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 1:1 compatibility by weight;
Diffusant: 0.3%, by fatty alcohol-polyoxyethylene ether (AE) and castor oil polyoxyethylene ether 1:1 compatibility by weight;
Safener: 0.1%, by allyl dichloride amine and fenclorim 1:1 compatibility by weight;
Produce according to the following steps the live field of the rice terrace agriculture agricultural chemicals herbicide fertilizer granules of 0.1% benbbensulfuronmethyl the third careless amine:
<1> prepares agricultural-chemical suspension mixture take water as solvent, by processing requirement, former benbbensulfuronmethyl medicine, the third careless amine crude oil, stablizer, diffusant and safener is added to the water and is mixed, and obtains agricultural-chemical suspension mixture;
<2> prepares formulation fertilizer containing nitrogen particle urea and ammonium sulfate is thrown in mixing tank and mixed with filler kaolin powder, through drum granulating, Drying and cooling, obtains 30% formulation fertilizer containing nitrogen particle;
<3> prepares agricultural chemicals Weed removal medicinal fertilizer particle mixture and adopts spraying coating method; the agricultural-chemical suspension mixture of step <1> is sprayed to coating on the formulation fertilizer containing nitrogen particle of step <2>; mix, obtain stable agricultural chemicals Weed removal medicinal fertilizer particle mixture.
Using method and effect: use as base manure at rice direct seeding field, sowing amount 20-30kg/ mu, after executing, maintain water in field 1-2 centimetre of water layer 2-3 days, after falling to doing, water in field is sown into seed (seed is first planted bubble and showed money or valuables one carries unintentionally), can effectively control the weed encroachment such as Semen Euphorbiae, barnyard grass, Herba Cyperi Difformis, Sheathed Monochoria of rice direct seeding field, realize weeding fertilising synchronous effect.
Embodiment 2
Rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer, mainly presses row weight percent by weedicide, formulation fertilizer containing nitrogen and auxiliary agent and makes: weedicide: account for 0.2% of the fertile gross weight of medicine, be mixed with by weight 1:9 by benbbensulfuronmethyl and the third careless amine;
Formulation fertilizer containing nitrogen particle: account for 99% of the fertile gross weight of medicine, be made up of urea, ammonium sulfate and filler kaolin powder etc., wherein urea and ammonium sulfate compatibility are by weight 1:2, and total nitrogen accounts for 16%;
Auxiliary agent: account for 0.8% 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 1:2 compatibility by weight;
Diffusant: 0.2%, by fatty alcohol-polyoxyethylene ether (AE) and castor oil polyoxyethylene ether 1:1 compatibility by weight;
Safener: 0.1%, by allyl dichloride amine and fenclorim 1:1 compatibility by weight.
Produce the rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer of 0.2% benbbensulfuronmethyl the third careless amine with reference to the method for embodiment 1.
Using method and effect: grow to the 1.5-2.0 leaf phase at rice direct seeding field rice shoot and use, sowing amount 10-15kg/ mu, after executing, maintain water in field 1-2 centimetre of water layer 5-7 days, can effectively prevent and kill off the weeds such as the Semen Euphorbiae, barnyard grass, Herba Cyperi Difformis, Sheathed Monochoria of rice direct seeding field, paddy rice be had to topdress simultaneously and put forward the effect of seedling.
Embodiment 3
Rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer, mainly presses row weight percent by weedicide, formulation fertilizer containing nitrogen and auxiliary agent and makes: weedicide: account for 0.24% of the fertile gross weight of medicine, be mixed with by weight 1:9 by benbbensulfuronmethyl and the third careless amine;
Formulation fertilizer containing nitrogen particle: account for 99% of the fertile gross weight of medicine, be made up of urea, ammonium sulfate and filler kaolin powder etc., wherein urea and ammonium sulfate compatibility are by weight 1:2, and total nitrogen accounts for 20%;
Auxiliary agent: account for 0.76% of the fertile gross weight of medicine, wherein
Aqueous solvent: 0.3%,
Stablizer: 0.1%, by potassium primary phosphate and 2,6 ditertiary butyl p cresol 1:2 compatibility by weight;
Diffusant: 0.3%, by fatty alcohol-polyoxyethylene ether (AE) and castor oil polyoxyethylene ether 1:1 compatibility by weight;
Safener: 0.06%, dripped with fenclorim by weight 1:3 compatibility by 2,4-.
Produce the rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer of 0.24% benbbensulfuronmethyl the third careless amine with reference to the method for embodiment 1.
Using method and effect: 5-10 days after rice transplanting (rice transplanting), spreads fertilizer over the fields large Tanaka, sowing amount 10-15kg/ mu equably.After executing, maintain water in field 1-2 centimetre of water layer 5-7 days, can effectively prevent and kill off the weed encroachmenies such as rice terrace Semen Euphorbiae, barnyard grass, Herba Cyperi Difformis, Sheathed Monochoria, realize weeding fertilising synchronous effect.
Embodiment 4
Rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer, mainly presses row weight percent by weedicide, formulation fertilizer containing nitrogen and auxiliary agent and makes: weedicide: account for 0.42% of the fertile gross weight of medicine, be mixed with by weight 1:9 by benbbensulfuronmethyl and the third careless amine;
Formulation fertilizer containing nitrogen particle: account for 99% of the fertile gross weight of medicine, be made up of urea, ammonium sulfate and filler kaolin powder etc., wherein urea and ammonium sulfate compatibility are by weight 1:2, and total nitrogen accounts for 30%;
Auxiliary agent: account for 0.58% of the fertile gross weight of medicine, wherein
Aqueous solvent: 0.2%,
Stablizer: 0.1%, by potassium primary phosphate and 2,6 ditertiary butyl p cresol 1:2 compatibility by weight;
Diffusant: 0.2%, by fatty alcohol-polyoxyethylene ether (AE) and castor oil polyoxyethylene ether 1:2 compatibility by weight;
Safener: 0.08%, by allyl dichloride amine and fenclorim 1:1 compatibility by weight.
Produce the rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer of 0.42% benbbensulfuronmethyl the third careless amine with reference to the method for embodiment 1.
Using method and effect: throw and plant rear 5-10 days in paddy rice, spread fertilizer over the fields equably large Tanaka, sowing amount 5-8kg/ mu.After executing, maintain water in field 1-2 centimetre of water layer 5-7 days, can effectively prevent and kill off the weed encroachmenies such as rice terrace Semen Euphorbiae, barnyard grass, Herba Cyperi Difformis, Sheathed Monochoria, realize weeding fertilising synchronous effect.
Claims (4)
1. a rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer, is characterized in that mainly pressing row weight percent by weedicide, formulation fertilizer containing nitrogen and auxiliary agent makes:
Weedicide: benbbensulfuronmethyl 0.01%-0.15%, the third careless amine 0.09%-1.0%,
Formulation fertilizer containing nitrogen: total nitrogen accounts for 15%-35%,
Auxiliary agent: aqueous solvent 0.2%-2.0%, stablizer 0.1%-1.0%, diffusant 0.2%-2.0%, safener 0.05%-3.0%; All the other are filler;
The weight ratio of described benbbensulfuronmethyl and the third careless amine is 1:9, described formulation fertilizer containing nitrogen by urea and ammonium sulfate by weight forming for 1:2;
Described stablizer is that weight ratio is the potassium primary phosphate of 1:2-1:1 and the mixture of 2,6 ditertiary butyl p cresol;
Described diffusant is that weight ratio is the fatty alcohol-polyoxyethylene ether of 1:2-1:1 and the mixture of castor oil polyoxyethylene ether;
Described safener is allyl dichloride amine, fenclorim, 2, during 4-drips any two kinds, and its weight ratio is 1:3-1:1.
2. rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer according to claim 1, is characterized in that: described weedicide accounts for the 0.1%-0.42% of the fertile gross weight of medicine.
3. rice direct seeding field agricultural chemicals Weed removal medicinal fertilizer according to claim 2, is characterized in that: described filler is one or more in kaolin powder, clay powder, diatomite.
4. the production method of rice direct seeding field agricultural chemicals 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, and former benbbensulfuronmethyl medicine, the third careless amine crude oil, stablizer, diffusant and safener are added to the water and are mixed, and to obtain final product;
<2> prepares formulation fertilizer containing nitrogen particle urea and ammonium sulfate is thrown in mixing tank and mixed with kaolin, clay powder filler, through drum granulating, Drying and cooling, to obtain final product;
<3> prepares agricultural chemicals Weed removal medicinal fertilizer particle mixture and adopts spraying coating method; the agricultural-chemical suspension mixture of step <1> is sprayed to coating on the formulation fertilizer containing nitrogen particle of step <2>; mix, to obtain final product.
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| CN102942416B (en) * | 2012-11-26 | 2014-04-16 | 李建明 | Rice medicine fertilizer and production method thereof |
| CN103073355B (en) * | 2013-01-31 | 2015-05-20 | 广西乐土生物科技有限公司 | Pyrazosulfuron-mefenacet-containing weeding and insecticidal fertilizer and producing method thereof |
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| CN103204716B (en) * | 2013-04-09 | 2014-07-23 | 郭汉华 | Special organic fertilizer for weed control of organic rice |
| CN103907495A (en) * | 2014-04-23 | 2014-07-09 | 南京农业大学 | Technique for utilizing pretilachlor to prevent and remove weedy rice in water-direct-seeding rice field |
| CN104447094A (en) * | 2014-12-11 | 2015-03-25 | 广西乐土生物科技有限公司 | Rice fertilizing/weeding/molluscidal labor-saving fertilizer containing bensulfuron-methyl and pretilachlor and production method of fertilizer |
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| CN105123370A (en) * | 2015-09-10 | 2015-12-09 | 安徽同大现代农业科技园有限公司 | Novel method of raising rice seedlings through dry sowing and water management |
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| CN111517881A (en) * | 2020-05-29 | 2020-08-11 | 浙江天丰生物科学有限公司 | Herbicide fertilizer containing bensulfuron methyl and acetochlor 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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| CN101050149B (en) * | 2007-03-12 | 2010-06-09 | 廖克祥 | Weed removal medicinal fertilizer for paddy rice, and fabricating method |
| CN101318860A (en) * | 2008-06-17 | 2008-12-10 | 惠州市中迅化工有限公司 | Pesticide fertilizer granular formulation |
| CN101475420A (en) * | 2009-01-23 | 2009-07-08 | 深圳市朗钛生物科技有限公司 | Fertilizer water-dispersion granule and preparation thereof |
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