CN105010373A - Application method of paddy rice water direct-sowing field harrowing scatter-type pre-emergence sealing herbicide - Google Patents
Application method of paddy rice water direct-sowing field harrowing scatter-type pre-emergence sealing herbicide Download PDFInfo
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Abstract
The invention relates to an application method of a paddy rice water direct-sowing field harrowing scatter-type pre-emergence sealing herbicide. The method comprises the following steps: (1) fertilizer mixing is carried out, wherein the herbicide is well mixed with a proper amount of a scattering aid; (2) scattering is carried out, wherein the well mixed fertilizer is scattered during a paddy rice field harrowing process, before or after field flattening, and while the water is muddy; during scattering, a field water layer thickness is controlled at 1-5cm, and a scattering amount is 32-128g/Mu according to effective component content; (3) sowing is carried out; and (4) field management is carried out after sowing. In the step (1) the paddy rice water direct-sowing field harrowing scatter-type pre-emergence sealing herbicide is bensulfuron.pretilachlor wettable powder, granules or dispersible oil suspension. Within an appropriate period of time during or after harrowing, the wettable powder, granules or dispersible oil suspension is well mixed with the proper amount of scattering aid, and the mixture is uniformly scattered. With the sedimentation of the muddy water layer in the field, the mixture is uniformly dispersed in the field. The scattering method is different from a traditional spraying method. With the method, labor can be effectively saved, and environment pollution and drug loss caused by spraying are avoided.
Description
Technical field
The present invention relates to a kind of using method of field weedicide, relate to a kind of paddy rice direct-sowing rice specifically and to harrow a field the using method of spreading fertilizer over the fields and closing weed killer herbicide before type bud.
Background technology
Rice field weeding, mainly contains spray-on process, broadcast application, gets rid of the method for spreading viewed from the occupation mode of weed killer herbicide.Spray-on process is a kind of mode of requiring great effort of comparatively taking a lot of work, and particularly manually sprays, and in field, effort is compared in walking, and recruitment is also many, but the distribution of its medicament is more even.Broadcast application is the comparatively general application method in paddy field, spread fertilizer over the fields in method to spread fertilizer over the fields evenly, need weed killer herbicide to make medicine soil, medicine and fertile etc. to use that (weed killer herbicide mixes with chemical fertilizer to spread fertilizer over the fields and spreads uneven because of chemical fertilizer meta-alkalescence or because of the chemical fertilizer deliquescence that absorbs water and affect drug effect, neutrality or slant acidity fertilizer to be used) as far as possible, stir, comparatively spray saving of labor, convenience, operating efficiency of the method is high.Getting rid of excutes a law be mainly liquid pesticidal formulations adopt a kind of application process.
The weed killer herbicide being main component with bensulfuron-methyl and the third careless amine is the weed killer herbicide that rice direct seeding field is conventional, common formulations is wetting powder, granule and dispersibles oil-suspending agent, when in prior art, this kind of formulation weed killer herbicide uses, the mode of spraying that adopts is implemented more, troublesome poeration, expend man-hour, the optimum period for applying fertilizer is greatly affected by environment.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, before a kind of flat field of paddy rice direct-sowing rice using wetting powder, granule in the mode of spreading fertilizer over the fields or dispersible oil-suspending agent oil-suspending agent is provided or the method for spreading fertilizer over the fields during muddy water behind flat field, the method have simple to operate, save time, the advantage that herbicidal effect is stable.
The technical solution adopted for the present invention to solve the technical problems is:
Paddy rice direct-sowing rice closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, described using method is carried out as follows:
(1) mix fertilizer: paddy rice direct-sowing rice harrows a field to spread fertilizer over the fields and to close weed killer herbicide before type bud and spread fertilizer over the fields auxiliary agent in right amount and mix, described in spread fertilizer over the fields auxiliary agent be any one or a few mixture in base fertilizer, fine sand or fine earth;
(2) spread fertilizer over the fields: harrow a field in process at paddy field, before flat field or spread fertilizer over the fields the fertilizer mixed by step (1) behind flat field during muddy water, the THICKNESS CONTROL of spreading fertilizer over the fields field water layer in process, at 1-5cm, harrows a field to spread fertilizer over the fields before type bud in paddy rice direct-sowing rice and closes the weed killer herbicide active constituent content amount of spreading fertilizer over the fields for 32-128g/ mu;
(3) sow: after the clarification of field water layer, before seed-grain vernalization sowing, drain field water, the seed-grain of vernalization is broadcasted sowing in field;
(4) after planting field management: after planting field is without ponding, and hold flat field successfully and lack, prevent torrential rain, keep carrying out rehydration after soil moisture regime to the neat seedling of paddy rice and topdress;
The middle paddy rice direct-sowing rice of described step (1) is closed weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud and is the careless amine wetting powder of bensulfuron-methyl third, granule or dispersibles oil-suspending agent.
Preferably, described paddy rice direct-sowing rice closes bensulfuron-methyl and the third careless amine in weed killer herbicide mass ratio before harrowing a field and spreading fertilizer over the fields type bud is 1:6 ~ 15, and more preferably the two mass ratio is 1:9.
Preferred, described paddy rice direct-sowing rice closes the wetting powder of total active constituent content >=40% of the careless amine of the preferred bensulfuron-methyl of weed killer herbicide third before harrowing a field and spreading fertilizer over the fields type bud.
Preferably, the middle paddy rice direct-sowing rice of described step (1) is closed in weed killer herbicide also containing appropriate pigment before harrowing a field and spreading fertilizer over the fields type bud.Add appropriate pigment, can by visually observing weed killer herbicide and the mixing uniformity spreading fertilizer over the fields auxiliary agent.
Preferably, step (1) is mixed in fertile process, the paddy rice direct-sowing rice of every mu of consumption harrows a field to spread fertilizer over the fields and to close weed killer herbicide before type bud and be equipped with 5-10kg and spread fertilizer over the fields auxiliary agent, and add appropriate wetting or adsorbing medium, described medium is one or more composition in water, ethanol, white carbon, concave convex rod, perlite, bentonite, kaolin and diatomite, and the consumption of described medium is the 0.1-5% spreading fertilizer over the fields auxiliary agent quality.
Preferably, mode of spreading fertilizer over the fields in step (2) is preferably manual spreading fertilizer over the fields.
Preferably, temperature requirement >=15 DEG C, field during sowing in step (3), seed rice requires as follows: conventional seed rice vernalization can be sowed to during show money or valuables one carries unintentionally part 1-10mm or seed length over half, and hybrid rice seed vernalization can be sowed to seed whole bud root is various.
Preferably, bensulfuron-methyl third careless amine wetting powder comprises active component bensulfuron-methyl and the third careless amine and auxiliary agent, safener and pigment, and the preparation method of this wetting powder carries out as follows:
(1) first by third of formula ratio the careless amine crude oil, part of auxiliary and pigment mixed dissolution, oil phase is formed; (2) added in agravic blender by the auxiliary agent white carbon of formula ratio, then spray into the oil phase that step (1) prepares, with its absorption, injection time controls at 16-25min; (3) by the safener of formula ratio, the premixed of residue auxiliary agent, through ultra-fine pulverizer disintegrating, grinding time 30-35min, pulverize speed 8-9kg/min, the material after pulverizing is squeezed in the agravic blender of step (2); (4) then add the female powder of bensulfuron-methyl of formula ratio, open and stir, continue mixing more than 20min and mix rear blanking to semi-finished product; (5) semi-finished product after blanking through second time ultra-fine grinding, then obtain bensulfuron-methyl third careless amine wetting powder finished product after carrying out more than 15min mixing, and fineness >=97% of wetting powder finished product, pulverizing speed is 6kg/min.
Preferably, the kind degree of each component of described bensulfuron-methyl third careless amine wetting powder is as follows:
Bensulfuron-methyl 3 ~ 6%
Third careless amine 36 ~ 45%
Safener 7% ~ 10%
Auxiliary agent 2% ~ 25%
White carbon 10% ~ 30%
Pigment 0.005% ~ 0.5%
Filler complements to 100%.
Preferably, described safener is fenclorim; Auxiliary agent is the one or more combination thing in alkylphenol polyoxyethylene, Ben-zylphenol Polyoxyethyl Ether, phenethyl phenol polyethenoxy ether, alkylbenzenesulfonate, alkylnaphthalene sulfonate, alkylphenol polyoxyethylene formaldehyde condensation products, aralkyl phenol polyethenoxy ether formaldehyde condensation products, alkyl naphthalene sulfonic acid formaldehyde condensation products, phenol formaldehyde condensate sulfonate, lignosulfonates, alkyl sulfate; Filler is the one or more combination thing in fine particle calcium carbonate, kaolin, diatomite.
The invention has the beneficial effects as follows:
(1) spread fertilizer over the fields easily: when harrowing a field or after harrowing a field in suitable time, only or oil-suspending agent need be dispersibled wetting powder, granule with spreading fertilizer over the fields in right amount after auxiliary agent mixes and spread fertilizer over the fields, then with field muddiness water layer sedimentation, be dispersed in field, this mode of spreading fertilizer over the fields is different from traditional spray pattern, effectively can save labour, avoid spraying to the pollution of environment and the loss of medicine;
(2) affected by environment little: to go to the field with spreading fertilizer over the fields auxiliary agent in suitable time when harrowing a field or after harrowing a field, avoid live rear because of inside even from weather cause weed killer herbicide to use or application effect bad, herbicidal effect is good, and weeding is thorough;
(3) degree of safety is high: spread fertilizer over the fields choose opportunities rationally, and sow after seed-grain vernalization to appropriate length before sowing, can guarantee efficient herbicidal effect, ensure the high safety that sprouts of paddy rice simultaneously;
(4) efficacy stability: compared with conventional spray manner dispenser, method sealing process of the present invention in advance, effectively suppresses the sprouting of most weed seed, and sealing effect is more thorough, and comparatively spray pattern dispenser is closed and spread fertilizer over the fields effect and can improve about 20%.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail.
The paddy rice direct-sowing rice used in following each embodiment is closed weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud and is produced by Mei Feng Agricultural Co., Ltd, commodity are called: spread easily, it is the wetting powder of careless amine effective content >=40% of bensulfuron-methyl third, and the weight percent content of each component is as follows:
Bensulfuron-methyl 3 ~ 6%
Third careless amine 36 ~ 45%
Safener 7% ~ 10%
Auxiliary agent 2% ~ 25%
White carbon 10% ~ 30%
Pigment 0.005% ~ 0.5%
Filler complements to 100%.
Specific to the present embodiment, each component of following row weight percent content is example:
Bensulfuron-methyl 4%
Third careless amine 36%
Safener 8%
Auxiliary agent 10%
White carbon 15%
Pigment 0.25%
Filler complements to 100%;
Described safener is fenclorim; Auxiliary agent is alkylphenol polyoxyethylene; Filler is fine particle calcium carbonate, and the preparation method of this wetting powder carries out as follows:
(1) first by the auxiliary agent of third of formula ratio the careless amine crude oil, total consumption 40% and pigment mixed dissolution, oil phase is formed; (2) added in agravic blender by the white carbon of formula ratio, then spray into the oil phase that step (1) prepares, with its absorption, injection time controls at 16-25min; (3) by the safener of formula ratio, the premixed of residue auxiliary agent, through ultra-fine pulverizer disintegrating, grinding time 30-35min, pulverize speed 8-9kg/min, the material after pulverizing is squeezed in the agravic blender of step (2); (4) then add the female powder of bensulfuron-methyl of formula ratio, open and stir, continue mixing more than 20min and mix rear blanking to semi-finished product; (5) semi-finished product after blanking through second time ultra-fine grinding, then obtain the wetting powder finished product that the careless amine content of bensulfuron-methyl third is 40% after carrying out more than 15min mixing, and fineness >=97% of wetting powder finished product, pulverizing speed is 6kg/min.
Select the above-mentioned active constituent content prepared be 40% paddy rice direct-sowing rice harrow a field spread fertilizer over the fields to close before type bud weed killer herbicide respectively in Jiangxi, Hunan, Hubei choose three plots of paddy fields as experiment No. 1, field, No. 2 and No. 3, the area of paddy field is for being 1 mu, farmed, wait to harrow a field, three pieces of experiment fields are carried out closed weeding, sowing according to method of the present invention and after planting manage, concrete main weeds of seeing embodiment 1, embodiment 2 and embodiment 3, three pieces experiment field is respectively barnyard grass, moleplant seed, Monochoria vaginalis, convexutricle sedge herb, wild water chestnut.
no. 1(1, embodiment experiment field):
Paddy rice direct-sowing rice closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, described using method is carried out as follows:
(1) mix fertilizer: 80g spreads and easily spreads fertilizer over the fields auxiliary agent with 5kg and mix, described in spread fertilizer over the fields auxiliary agent be that base fertilizer is commonly used in rice field, mix in fertile process, add suitable quantity of water for wetting wetting powder, the consumption of described water is spread fertilizer over the fields auxiliary agent quality 0.1%;
(2) spread fertilizer over the fields: the manual fertilizer spreading fertilizer over the fields step (1) and mix in side drag limit in paddy field harrows a field process, spread fertilizer over the fields the THICKNESS CONTROL of field water layer in process at 1-5cm, the amount of spreading fertilizer over the fields with paddy rice direct-sowing rice harrow a field spread fertilizer over the fields type bud before close weed killer herbicide active constituent content count 32g/ mu;
(3) sow: after the clarification of field water layer, before seed-grain vernalization sowing, drain field water, the seed-grain of vernalization is broadcasted sowing in field; Wherein, temperature requirement >=15 DEG C, field during sowing, seed rice requires as follows: conventional seed rice vernalization is to the part 5-8mm that shows money or valuables one carries unintentionally;
(4) after planting field management: after planting field is without ponding, and hold flat field successfully and lack, prevent torrential rain, keep carrying out rehydration after soil moisture regime to the neat seedling of paddy rice and topdress.
no. 2(2, embodiment experiment field):
Paddy rice direct-sowing rice closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, described using method is carried out as follows:
(1) fertilizer is mixed: 320g spreads and easily spreads fertilizer over the fields auxiliary agent with 10kg and mix, the described auxiliary agent that spreads fertilizer over the fields is that base fertilizer is commonly used in rice field, mixes in fertile process, and it is (commercial to add ethanol in proper amount, content is not less than 30%) for wetting wetting powder, the consumption of described ethanol is spread fertilizer over the fields auxiliary agent quality 5.0%;
(2) spread fertilizer over the fields: the manual fertilizer spreading fertilizer over the fields step (1) and mix in side drag limit in paddy field harrows a field process, spread fertilizer over the fields the THICKNESS CONTROL of field water layer in process at 1-5cm, the amount of spreading fertilizer over the fields with paddy rice direct-sowing rice harrow a field spread fertilizer over the fields type bud before close weed killer herbicide active constituent content count 128g/ mu;
(3) sow: after the clarification of field water layer, before seed-grain vernalization sowing, drain field water, the seed-grain of vernalization is broadcasted sowing in field; Wherein, temperature requirement >=15 DEG C, field during sowing, seed rice requires as follows: conventional seed rice vernalization is over half to seed length;
(4) after planting field management: after planting field is without ponding, and hold flat field successfully and lack, prevent torrential rain, keep carrying out rehydration after soil moisture regime to the neat seedling of paddy rice and topdress.
no. 3(3, embodiment experiment field):
Paddy rice direct-sowing rice closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, described using method is carried out as follows:
(1) mix fertilizer: 200g spreads and easily spreads fertilizer over the fields auxiliary agent with 7kg and mix, described in spread fertilizer over the fields auxiliary agent be that base fertilizer is commonly used in rice field, mix in fertile process, add suitable quantity of water for wetting wetting powder, the consumption of described water is spread fertilizer over the fields auxiliary agent quality 2.5%;
(2) spread fertilizer over the fields: the manual fertilizer spreading fertilizer over the fields step (1) and mix in side drag limit in paddy field harrows a field process, spread fertilizer over the fields the THICKNESS CONTROL of field water layer in process at 1-5cm, the amount of spreading fertilizer over the fields with paddy rice direct-sowing rice harrow a field spread fertilizer over the fields type bud before close weed killer herbicide active constituent content count 80g/ mu;
(3) sow: after the clarification of field water layer, before seed-grain vernalization sowing, drain field water, the seed-grain of vernalization is broadcasted sowing in field; Wherein, temperature requirement >=15 DEG C, field during sowing, seed rice requires as follows: hybrid rice seed vernalization is all various at all to seed;
(4) after planting field management: after planting field is without ponding, and hold flat field successfully and lack, prevent torrential rain, keep carrying out rehydration after soil moisture regime to the neat seedling of paddy rice and topdress.
After three pieces of experiment fields are spread fertilizer over the fields, get 10 samples at random respectively in experiment field, detect herbicide active active ingredients content in sample, after tested, herbicide active active ingredients content deviation < 5% in each sample, shows that weed killer herbicide can be distributed in field by the method uniformly.
After planting, the rice paddy seed growth after vernalization is normal, sows paddy rice after 5 days and grows a leaf wholeheartedly in three pieces of experiment fields, field observation is without barnyard grass, moleplant seed, Monochoria vaginalis, convexutricle sedge herb, wild water chestnut weeds, sow paddy rice after 10 days and grow two leaves wholeheartedly, field observation has few strain barnyard grass and convexutricle sedge herb, without other weeds, about the 15-18 days neat seedlings of paddy rice, carry out rehydration to topdress, field observation has few strain barnyard grass, convexutricle sedge herb, Monochoria vaginalis, without other weeds, the paddy rice five leaf phase, the overall growth conditions in field is good.
The present invention will spread easily by with spread fertilizer over the fields auxiliary agent and mix thoroughly and spread fertilizer over the fields, weeding time advance, by weed control before rudiment is taken root, later stage pipe water condition is good, can ensure one season paddy rice only need a weeding, the first time germination peak of grassy weed is at after planting 5-7 days, therefore selects to close weeding in 2-5 days.Weeds are broken ground from whole field and start to sprout in fact, 1-5 days before fog seal, had part weeds sprouting always, compared weed sprays, spray-on process close can only close harrow a field after 5-7 days sprout weeds, arrive paddy rice two leaf one heart stage, weeds before closing will be a large amount of outburst, and after using method of the present invention, weeding time advance, the phase of closing is long, cuts weeds effective.
The present invention will spread easily by with spread fertilizer over the fields auxiliary agent and mix thoroughly and spread fertilizer over the fields, safety is closed higher than spray-on process, the weeding principle of the third careless amine absorbs the third careless amine by plant bud scale, by Root Absorption fenclorim, reach the object of safe weeding, conventional spray-on process is cut weeds, must first be sprayed to paddy rice bud scale, then root system is transmitted to, very thin one deck medicine membrane closure weeding is formed on soil surface, and method of the present invention makes medicine form thick medicine layer in soil, paddy rice is directly detoxified safely by Root Absorption fenclorim, bud scale does not need to be forced to the careless amine of absorption third, safety is high.
In using method of the present invention, the formulation of paddy rice direct-sowing rice closed weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud can also be granule or dispersible oil-suspending agent, when formulation is granule, step (1) is mixed in fertile process and is equally added suitable quantity of water or ethanol as wetted media with wetting powder, when formulation is for dispersibling oil-suspending agent, step (1) is mixed in fertile process and is added an appropriate adsorbing medium, as one or more composition in white carbon, concave convex rod, perlite, bentonite, kaolin and diatomite, consumption is the 0.1-5% spreading fertilizer over the fields auxiliary agent quality.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (10)
1. paddy rice direct-sowing rice closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, it is characterized in that: described using method is carried out as follows:
(1) mix fertilizer: paddy rice direct-sowing rice harrows a field to spread fertilizer over the fields and to close weed killer herbicide before type bud and spread fertilizer over the fields auxiliary agent in right amount and mix, described in spread fertilizer over the fields auxiliary agent be any one or a few mixture in base fertilizer, fine sand or fine earth;
(2) spread fertilizer over the fields: harrow a field in process at paddy field, before flat field or spread fertilizer over the fields the fertilizer mixed by step (1) behind flat field during muddy water, the THICKNESS CONTROL of spreading fertilizer over the fields field water layer in process, at 1-5cm, harrows a field to spread fertilizer over the fields before type bud in paddy rice direct-sowing rice and closes the weed killer herbicide active constituent content amount of spreading fertilizer over the fields for 32-128g/ mu;
(3) sow: after the clarification of field water layer, before seed-grain vernalization sowing, drain field water, the seed-grain of vernalization is broadcasted sowing in field;
(4) after planting field management: after planting field is without ponding, and hold flat field successfully and lack, prevent torrential rain, keep carrying out rehydration after soil moisture regime to the neat seedling of paddy rice and topdress;
The middle paddy rice direct-sowing rice of described step (1) is closed weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud and is the careless amine wetting powder of bensulfuron-methyl third, granule or dispersibles oil-suspending agent.
2. paddy rice direct-sowing rice according to claim 1 closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, it is characterized in that: described paddy rice direct-sowing rice closes bensulfuron-methyl and the third careless amine in weed killer herbicide mass ratio before harrowing a field and spreading fertilizer over the fields type bud is 1:6-15.
3. paddy rice direct-sowing rice according to claim 2 closes weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, it is characterized in that: described paddy rice direct-sowing rice closes the wetting powder of total active constituent content >=40% of the careless amine of the preferred bensulfuron-methyl of weed killer herbicide third before harrowing a field and spreading fertilizer over the fields type bud.
4. paddy rice direct-sowing rice according to claim 3 closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, it is characterized in that: in described step (1), paddy rice direct-sowing rice is closed in weed killer herbicide also containing appropriate pigment before harrowing a field and spreading fertilizer over the fields type bud.
5. paddy rice direct-sowing rice according to claim 1 closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, it is characterized in that: step (1) is mixed in fertile process, the paddy rice direct-sowing rice of every mu of consumption harrows a field to spread fertilizer over the fields and to close weed killer herbicide before type bud and be equipped with 5-10kg and spread fertilizer over the fields auxiliary agent, and add appropriate wetting or adsorbing medium, described medium is one or more composition in water, ethanol, white carbon, concave convex rod, perlite, bentonite, kaolin and diatomite, and the consumption of described medium is the 0.1-5% spreading fertilizer over the fields auxiliary agent quality.
6. paddy rice direct-sowing rice according to claim 1 closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, it is characterized in that: mode of spreading fertilizer over the fields in step (2) is preferably manual spreading fertilizer over the fields.
7. paddy rice direct-sowing rice according to claim 1 closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, it is characterized in that: temperature requirement >=15 DEG C, field during sowing in step (3), seed rice requires as follows: conventional seed rice vernalization can be sowed to during show money or valuables one carries unintentionally part 1-10mm or seed length over half, and hybrid rice seed vernalization variously at all can be sowed to seed is whole.
8. paddy rice direct-sowing rice according to claim 4 closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, it is characterized in that: bensulfuron-methyl third careless amine wetting powder comprises active component bensulfuron-methyl and the third careless amine and auxiliary agent, safener and pigment, and the preparation method of this wetting powder carries out as follows:
(1) first by third of formula ratio the careless amine crude oil, part of auxiliary and pigment mixed dissolution, oil phase is formed; (2) added in agravic blender by the white carbon of formula ratio, then spray into the oil phase that step (1) prepares, with its absorption, injection time controls at 16-25min; (3) by the safener of formula ratio, the premixed of residue auxiliary agent, through ultra-fine pulverizer disintegrating, grinding time 30-35min, pulverize speed 8-9kg/min, the material after pulverizing is squeezed in the agravic blender of step (2); (4) then add the female powder of bensulfuron-methyl of formula ratio, open and stir, continue mixing more than 20min and mix rear blanking to semi-finished product; (5) semi-finished product after blanking through second time ultra-fine grinding, then obtain bensulfuron-methyl third careless amine wetting powder finished product after carrying out more than 15min mixing, and fineness >=97% of wetting powder finished product, pulverizing speed is 6kg/min.
9. paddy rice direct-sowing rice according to claim 8 closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, it is characterized in that: the weight percent content of each component of described bensulfuron-methyl third careless amine wetting powder is as follows:
Bensulfuron-methyl 3 ~ 6%
Third careless amine 36 ~ 45%
Safener 7% ~ 10%
Auxiliary agent 2% ~ 25%
White carbon 10% ~ 30%
Pigment 0.005% ~ 0.5%
Filler complements to 100%.
10. paddy rice direct-sowing rice according to claim 9 closes the using method of weed killer herbicide before harrowing a field and spreading fertilizer over the fields type bud, it is characterized in that: described safener is fenclorim; Auxiliary agent is the one or more combination thing in alkylphenol polyoxyethylene, Ben-zylphenol Polyoxyethyl Ether, phenethyl phenol polyethenoxy ether, alkylbenzenesulfonate, alkylnaphthalene sulfonate, alkylphenol polyoxyethylene formaldehyde condensation products, aralkyl phenol polyethenoxy ether formaldehyde condensation products, alkyl naphthalene sulfonic acid formaldehyde condensation products, phenol formaldehyde condensate sulfonate, lignosulfonates, alkyl sulfate; Filler is the one or more combination thing in fine particle calcium carbonate, kaolin, diatomite.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105724145A (en) * | 2016-03-29 | 2016-07-06 | 黑龙江省农业科学院耕作栽培研究所 | Cold-region japonica-rice wet direct-sowing cultivation method |
| CN106135251A (en) * | 2016-07-27 | 2016-11-23 | 上海祥霖农业技术有限公司 | Pretilachlor and bensulfuron-methyl spread drop and preparation method thereof |
| CN107278746A (en) * | 2017-08-10 | 2017-10-24 | 崇州市蜀州水稻研究所 | A kind of rice high yield efficient mechanical direct-seeding planting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105724145A (en) * | 2016-03-29 | 2016-07-06 | 黑龙江省农业科学院耕作栽培研究所 | Cold-region japonica-rice wet direct-sowing cultivation method |
| CN106135251A (en) * | 2016-07-27 | 2016-11-23 | 上海祥霖农业技术有限公司 | Pretilachlor and bensulfuron-methyl spread drop and preparation method thereof |
| CN107278746A (en) * | 2017-08-10 | 2017-10-24 | 崇州市蜀州水稻研究所 | A kind of rice high yield efficient mechanical direct-seeding planting method |
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