CN101878767A - Mixture for soil disinfection and weeding - Google Patents
Mixture for soil disinfection and weeding Download PDFInfo
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- CN101878767A CN101878767A CN2010102362649A CN201010236264A CN101878767A CN 101878767 A CN101878767 A CN 101878767A CN 2010102362649 A CN2010102362649 A CN 2010102362649A CN 201010236264 A CN201010236264 A CN 201010236264A CN 101878767 A CN101878767 A CN 101878767A
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- weeding
- chloropicrin
- dichloropropylene
- soil disinfection
- soil
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Abstract
The invention relates to a mixture for soil disinfection and weeding. The soil disinfectant of the invention is 1,3-dichloropropene and chloropicrin, adsorbents are active carbon and kieselguhr, and a weed killer is alachlor. The mixture for soil disinfection and weeding is prepared by the following steps: firstly, sealing, spraying and adsorbing the liquid 1,3-dichloropropene and chloropicrin in proportion at normal temperature to form particles; and then mixing and combining with the alachlor particles in proportion to form a new pesticide with two functions of soil disinfection and weeding. Soil disinfection and weeding are completed once, thus reducing the pesticide cost and improving the labor efficiency. The soil disinfectant and the weed killer can play a mutually positive effect, can improve the chemical effect, and reduce the residue of the weed killer in crops. As required, the soil disinfection particles can be mixed with various weeding particles which can not generate antagonism and are effective and safe after combination. The mixture of the invention can be applied to upland fields, paddy fields and protected areas in agricultural production.
Description
Technical field
A kind of mixture for soil disinfection and weeding belongs to the capital goods in the agricultural sector technical field, specifically a kind of novel agrochemical that has soil disinfection and two kinds of functions of management of weeds concurrently.
Background technology
At present, the weed killer herbicide that uses in China's agricultural production has two major types: a class is a processing soil treatment agent, and a class is the cauline leaf inorganic agent.The management of weeds mode of processing soil treatment agent class is before weeds do not emerge, with herbicide spray in upper soll layer, by mixing the soil operation weed killer herbicide is sneaked in the soil then, set up the confining bed of one deck weed killer herbicide, to avoid or to reduce the volatilization and the photodissociation of weed killer herbicide.Mix native dispenser method medicament is absorbed by positions such as weeds root, coleoptile and hypocotyls, and then management of weeds, and can improve drug effect and prolong the lasting period.The application method of this weed killer herbicide and soil disinfection medicament 1, the 3-dichloropropylene is identical with the application method that chloropicrin carries out soil disinfection.Under crops continuous cropping planting conditions, soil disinfection and management of weeds are the essential production processes that will carry out, and the peasant needs twice dispenser to reach the basic demand of proportion of crop planting to soil.All need regular hour competence exertion effect separately because weed killer herbicide and soil disinfectant use separately, this has just prolonged the idle periods in soil.Scientifically combine and use with the weed killer herbicide of antagonism and soil disinfectant do not take place, a dispenser just can management of weeds, and makes crop not be subjected to infringement of pathogen and the preparation that pest control is a kind of advanced person.Weeding and soil disinfection are disposable to be finished, and can also shorten the free time in soil, reduces peasant's drug cost, raises labour efficiency.This formulation is very favourable to agricultural production, and China does not also have the medicament that has soil disinfection and two kinds of functions of weeding concurrently of practicality and high efficiency now.
Weed killer herbicide scientifically is mixed with soil disinfectant is in the same place, best form is that particle is mixed.That the particle formulation of antagonism does not take place is many with soil disinfectant in the weed killer herbicide, and soil disinfectant 1,3-dichloropropylene and chloropicrin are liquid dosage form, need be soil disinfectant 1, the liquid form of 3-dichloropropylene and chloropicrin changes and becomes solid granular, just is suitable for the application that is mixed.
Summary of the invention
The invention provides a kind of mixture for soil disinfection and weeding, form by soil disinfectant and weed killer herbicide.At first with liquid dosage form 1, the shape change of 3-dichloropropylene and chloropicrin product, airtight at normal temperatures in proportion sprinkling is adsorbed in active carbon and a kind of adsorbent of diatomite, formation contains the soil disinfection granule of 30%-50% effective ingredient, be mixed then in conjunction with antagonism, effective and safe herbicide granule do not take place, final result becomes the novel agrochemical that has soil disinfection and two kinds of functions of management of weeds concurrently.
The objective of the invention is to be achieved through the following technical solutions:
Mixture for soil disinfection and weeding constitutes (weed killer herbicide is example with the alachlor) by following material:
1,1, the 3-dichloropropylene, another name: chlorallylene base chlorine, English name: 1,3-diehloroproprnr, jian, be called for short: 1,3-d, molecular formula: C
3H
4CL
2, molecular weight: 110.97, vapour pressure: 3.73kpa, flash-point: 35 ℃, fusing point :-84 ℃, boiling point: 108 ℃, relative density: 1: 1.22, dissolubility: water insoluble, be dissolved in ethanol, ether, stability: stable.
1, the 3-dichloropropylene mainly as organic synthesis intermediate, uses 1,3-dichloropropylene, 1, and 2-dichloropropane and other muriatic mixture are prevented and treated root-knot nematode, Pratylenchidae, Cyst nematode and soil insect.Also be used for the synthetic of the blue or green swallow spirit of weed killer herbicide, herbicide effect is preferably arranged.
2, chloropicrin, another name: trichloronitromethane, English name: chloropirin, molecular formula: CCL
3NO
2, molecular weight: 164.39, the molten steaming :-64 ℃, boiling point: 112 ℃, relative density: 1: 1.69, vapour pressure: 5.33kpa/33.8 ℃, solvability: 25 ℃/0.162g/100ml, stability: stable.
Chloropicrin is-kind of broad spectrum insecticide, sterilization, efficient fumigant, and China is mainly used in the grain fumigant insect killing in the past, is used for soil disinfection in recent years.Japan formally registered from 1948 the proportion of crop planting soil is carried out soil disinfection, existing so far 60 years history.After chloropicrin enters organism, generate the highly acid material, cellular swelling is rotted, also can make cell dehydration, the intracellular protein precipitation makes cytotoxic dead.Fungi, nematode, muroid all there is good killing effect.Adult, larva smoked kill power to insect are all very strong.Effectively the protective plant root system is not encroached on, and does not have medicament residue in plant and soil, is the first-selected medicament of controlling the continuous cropping disease at present in the world with China.
3, active carbon, diatomite, the active carbon of employing and diatomite are graininess.Active carbon and diatomite have stronger adsorption function and good slow release function, stay in the soil after drug effect discharges and can play the effect of improving the soil.1 of active carbon, diatomite adsorption, the comprehensive content of 3-dichloropropylene and chloropicrin is 30%-50%, need not wear a gas mask during dispenser, transportation, storage and use all make things convenient for and safety.
4, alachlor, trade name: drag-line, content 15% granule.Be to prevent and kill off various weeds at present to compose weed killer herbicide widely, prevent and kill off object and comprise annual gramineous weed, Sha Benke and broad-leaved section weeds three major types.The scope of application is also very wide, comprises soybean, corn, sweet corn, pop corn, chickpea, Kidney bean, peanut, safflower, castor-oil plant, sesame, rape, potato, cotton, jute, bluish dogbane, sugarcane, tobacco, tomato, capsicum, eggplant, cucumber, pumpkin, wax gourd, snake melon, sponge gourd, joint melon, carrot, celery, wild cabbage, green onion, onion, garlic, radish etc.Because the alachlor broad weed-killing spectrum is general, the scope of application is extensive, is called as the king of weed killer herbicide.
The preparation method of mixture for soil disinfection and weeding:
1, makes the soil disinfection granule
(1) raw material metering.With weight is standard: wherein a kind of adsorbent of active carbon and diatomite accounts for 70% of gross weight, liquid 1, the 3-dichloropropylene accounts for 20% of gross weight, chloropicrin accounts for 10% of gross weight, until adsorbent 50%, 1,3-dichloropropylene 33%, chloropicrin 17%, according to concrete content requirement with the raw material Weighing.
(2) charging feedstock.With the active carbon after weighing in proportion and wherein a kind of adsorbent of the diatomite adsorption tower of packing into, the liquid 1 after weighing, 3-dichloropropylene and chloropicrin are respectively charged into spray tank.Adsorption tower and spray tank are tight obturator, and strict control chlorine is overflowed.
(3) adsorbents adsorb.Several high-pressure nozzles of installing in the adsorption tanks are with liquid 1, and 3-dichloropropylene and chloropicrin are vaporific evenly being sprayed on the interior adsorbent of adsorption tower and carry out airtight absorption.Rolling flip bed in the adsorption tower makes adsorbent not stop to stir, so that adsorbent evenly adsorbs in the adsorption process.Must strictly grasp liquid 1,3-dichloropropylene and chloropicrin spray rate keep synchronous with adsorption rate.Temperature is the normal temperature more than 26 ℃ in the adsorption tower.
(4) result detects.At first detecting adsorption tower tail gas does not have chloride and exists, and takes by weighing the sample after the absorption then, and sample detection result conforms to regulation absorption requirement, and it is qualified to be.
2, soil disinfection granule and the herbicide granule packing that is mixed, two kinds of forms.
First kind of form:
(1) in the alachlor granule of outfit ratio, packs with plastic bag sealing separately.
(2) in the soil disinfection granule of outfit ratio, pack separately, substitute the soil disinfectant granule coating with the plastic bottle after the sun-proof heat insulation processing, vial sealing.
(3) alachlor granule and the soil disinfection granule that will pack separately pack jointly in same packing material, are mixed in use.
Second kind of form:
(1) soil disinfection granule and alachlor granule being put into mixer by a certain percentage fully mixes.
(2) mixed soil disinfection granule and alachlor granule are packed into by the packed weight requirement and to be done in the plastic bottle or vial of sun-proof heat insulation processing vacuum sealed package.
3, as required, with liquid 1,3-dichloropropylene and chloropicrin adsorb separately, form 1,3-dichloropropylene granule and chloropicrin granule.1,3-dichloropropylene granule and herbicide granule are mixed separately, become 1,3-dichloropropylene mixture for soil disinfection and weeding; Chloropicrin granule and herbicide granule are mixed separately, become the chloropicrin mixture for soil disinfection and weeding.
4, the soil disinfection granule can be mixed with multiple herbicide granule, and the principle that is mixed is:
(1) soil disinfectant and weed killer herbicide are mixed, between the two at physics, chemically compatibility should be arranged.Before being mixed strict chemical examination, test procedure will be arranged, medicine mixes the back effective ingredient bad biochemical reaction should not take place, and can not produce antagonism.
(2) soil disinfectant and weed killer herbicide are mixed and will accomplish effectively and safety, effectively are exactly the good quality and high output of guaranteeing crops; Safety is exactly for crop and environment, not only to when the stubble crop safety, also must succession crop not produced poisoning, does not endanger Environmental security simultaneously.
Mixture for soil disinfection and weeding of the present invention, to liquid-type 1,3-dichloropropylene and chloropicrin change over graininess by spraying absorption, and being mixed with herbicide granule then combines, and produces a kind of novel agrochemical that has soil disinfection and two kinds of functions of weeding concurrently.Make the peasant anti-except weeds, simple and convenient when carrying out soil-fumigating, help the development of agricultural production.
The present invention has compared following advantage with existing product:
1, has two kinds of functions of soil disinfection and weeding concurrently, reduce the medication number of times, reduce agricultural cost, raise labour efficiency;
2, the composition in the intermixture has a positive effect mutually, improves drug effect;
3, effectively reduction reduces the medicament residue of weed killer herbicide in crop to the poisoning of crop;
4, delay drug-fast generation of weed killer herbicide and development.
5, the method technology of injection absorption is reasonable, simple and easy to do, shows an interesting new approach, and the production process three-waste free discharge has no adverse effects to environment.
Accompanying drawing: be manufacture craft schematic flow sheet of the present invention.
Embodiment: make one kilogram of mixture for soil disinfection and weeding.
1, gets the raw materials ready: take by weighing alachlor 15% granule 100g, active carbon 540g, liquid-type 1,3-dichloropropylene 234g, liquid-type chloropicrin 126g.
2, absorption: active carbon is incorporated with in the vial of rubber bottle cap, with air-tightness syringe holder liquid 1,3-dichloropropylene and liquid chloropicrin inject respectively in the vial, in 30 ℃ of environment of temperature, shake 5 hours.
3, detect: vial is put into the seal box that gas probe is housed, open the serum cap of vial, do not exist chloride promptly to adsorb end in the gas probe show case.
4, weigh: the active carbon of pouring out after the absorption is weighed, and the tolerance of 900g soil disinfection granule is in prescribed limit, and it is qualified to be.
5, be mixed: alachlor 15% granule and 40% soil disinfection granule 900g are packed into to mix in the bucket, and start mixed 3 minutes, mix be qualified.
6, packing: every 500g mixture for soil disinfection and weeding is packed in the vial, and vacuum seal is preserved.
Claims (4)
1. mixture for soil disinfection and weeding, it is characterized in that: with liquid 1, the airtight at normal temperatures by a certain percentage sprinkling of 3-dichloropropylene and chloropicrin is adsorbed on wherein a kind of adsorbent of active carbon, diatomite, make liquid 1,3-dichloropropylene and chloropicrin become solid granular, in proportion granular 1,3-dichloropropylene and chloropicrin are mixed with the herbicide granule that antagonism does not take place and combine, and finally become the novel agrochemical that has soil disinfection and two kinds of functions of weeding concurrently again.
2. mixture for soil disinfection and weeding according to claim 1, it is characterized in that, liquid 1, the sprinkling adsorption process of 3-dichloropropylene and chloropicrin, be to carry out in the airtight adsorption system of being made up of adsorption tower and spray tank, spray tank is equipped with several shower nozzles, makes liquid 1,3-dichloropropylene and chloropicrin form vaporific when spraying, become the solid granulates shape after wherein a kind of adsorbents adsorb of active carbon, diatomite.
3. mixture for soil disinfection and weeding according to claim 1 is characterized in that, and is granular 1, after 3-dichloropropylene and chloropicrin are mixed with herbicide granule in proportion, and quantitative package, packing material is done sun-proof heat insulation processing, adopts vacuum-packed mode.
4. mixture for soil disinfection and weeding according to claim 1, it is characterized in that, independent as required adsorptive liquid 1, wherein a kind of soil disinfectant of 3-dichloropropylene and chloropicrin after adsorbent adsorbs separately, forms 1, solid particle agent of 3-dichloropropylene and the agent of chloropicrin solid particle, being mixed with herbicide granule separately combines again, and becomes 1,3-dichloropropylene mixture for soil disinfection and weeding and chloropicrin mixture for soil disinfection and weeding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102362649A CN101878767A (en) | 2010-07-18 | 2010-07-18 | Mixture for soil disinfection and weeding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102362649A CN101878767A (en) | 2010-07-18 | 2010-07-18 | Mixture for soil disinfection and weeding |
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| CN101878767A true CN101878767A (en) | 2010-11-10 |
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| CN2010102362649A Pending CN101878767A (en) | 2010-07-18 | 2010-07-18 | Mixture for soil disinfection and weeding |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103766410A (en) * | 2012-10-26 | 2014-05-07 | 中国科学院兰州化学物理研究所 | Plant-source nematicide for preventing and curing ditylenchus destructor of angelica sinensis, and application of nematicide |
| CN104604860A (en) * | 2015-01-28 | 2015-05-13 | 中国农业科学院植物保护研究所 | Dimethyl disulfide granules and preparation method thereof |
| CN104798795A (en) * | 2015-04-22 | 2015-07-29 | 吴迪 | Method for preparing soil disinfecting and weeding mixture |
| CN107509725A (en) * | 2017-08-18 | 2017-12-26 | 朱龙友 | A kind of production method containing the solid agent of sustained release highly effective pesticide and manufacturing equipment and the solid agent of compounding |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627754A (en) * | 2009-08-13 | 2010-01-20 | 郑百祥 | Mixed solid preparation of chloropicrin and 1.3-dichloropropylene and manufacturing technology thereof |
-
2010
- 2010-07-18 CN CN2010102362649A patent/CN101878767A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627754A (en) * | 2009-08-13 | 2010-01-20 | 郑百祥 | Mixed solid preparation of chloropicrin and 1.3-dichloropropylene and manufacturing technology thereof |
Non-Patent Citations (1)
| Title |
|---|
| 董春田等: "水稻多功能育秧剂研制与育秧", 《辽宁农业科学》, no. 1, 18 February 1994 (1994-02-18), pages 36 - 38 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103766410A (en) * | 2012-10-26 | 2014-05-07 | 中国科学院兰州化学物理研究所 | Plant-source nematicide for preventing and curing ditylenchus destructor of angelica sinensis, and application of nematicide |
| CN103766410B (en) * | 2012-10-26 | 2016-04-13 | 中国科学院兰州化学物理研究所 | A kind of plant resource nematocide and uses thereof preventing and treating Radix Angelicae Sinensis fiber crops stomatosis |
| CN104604860A (en) * | 2015-01-28 | 2015-05-13 | 中国农业科学院植物保护研究所 | Dimethyl disulfide granules and preparation method thereof |
| CN104798795A (en) * | 2015-04-22 | 2015-07-29 | 吴迪 | Method for preparing soil disinfecting and weeding mixture |
| CN107509725A (en) * | 2017-08-18 | 2017-12-26 | 朱龙友 | A kind of production method containing the solid agent of sustained release highly effective pesticide and manufacturing equipment and the solid agent of compounding |
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Application publication date: 20101110 |