CN1714651A - Rice green pesticide and producing method - Google Patents
Rice green pesticide and producing method Download PDFInfo
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- CN1714651A CN1714651A CNA2005100805162A CN200510080516A CN1714651A CN 1714651 A CN1714651 A CN 1714651A CN A2005100805162 A CNA2005100805162 A CN A2005100805162A CN 200510080516 A CN200510080516 A CN 200510080516A CN 1714651 A CN1714651 A CN 1714651A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The green pesticide for rice is compounded with botanical pesticide and special assistant in the ratio of 1-1.3. The botanical pesticide is compounded with seven kinds of plant material, including hemp, sweet wormwood herb, tobacco, etc in certain proportion. The assistant includes emulsifier, turpentine, penetrating promoter, preservative and alcohol solution in certain proportion. The green pesticide for rice has high efficiency, environment friendship and no residue.
Description
Technical field
The present invention relates to a kind of green agriculture chemicals of noresidue that can prevent and treat the paddy rice crop pests, a kind of specifically is the environment friendly agricultural that raw material is made with the Chinese herbal medicine, do not contain the residuals harmful to animal, be a kind of non-harmful environment-protection pesticide, the invention still further relates to the method for manufacturing of this environment friendly agricultural.
Background technology
At present, known agricultural year must spray a large amount of chemical insecticides to crops.These have the agricultural chemicals of Hazardous, have caused the serious residue of pesticide that exceed standard in grain and natural environment, and it is encroaching on people's human body, affect the healthy of the mankind.Current, it has been recognized that the harmfulness of its chemical pesticide, it has changed soil, makes alkalization of soils; Polluted environment, caused serious life too uneven, caused a lot of small animals and birds extinction, its residual harmful substance is also having a strong impact on the species procreation of the human healthy and boundless universe.As everyone knows, agricultural chemicals is the important assurance of guaranteeing agricultural foison, but the chemical pesticide contaminated environment is destroyed the ecological balance, contains high toxicity in agricultural byproducts, high residue causes direct threat to the human life, also is global public hazards.
For example: the use of chemical pesticide makes barren his alkalization of soils in soil; Make that to contain a large amount of harmful chemical pesticides in the grain food residual; The meat of class animal contains and deposits carcinogen in making; Make transmutation of species; Make a lot of animal extinctions; All misleads of these chemical pesticides, all strong proof the extent of injury of chemical public hazards agricultural chemicals to the ecological balance, animal survival, human life and large natural environment, its extent of injury is increasing, also makes human cancer morbidity come height more.Chemical pesticide has hundreds of kinds in the whole world, the number of dying because of pesticide poisoning causes death in the annual whole world is nearly more than 4,000,000 yuan, according to statistics, China's arable area 2/10ths by the dark degree severe contamination of chemical pesticide, there are nearly 1,000,000,000 populations all to eat the food that these contain the high residue chemical pesticide every day, directly endangering the healthy of people, countries in the world government all seek a kind of nuisanceless, avirulence is residual, novel agrochemical and effort efficiently.
At present, all there is following point in the development of public nuisance-free agricultural chemicals both at home and abroad:
1, existing public nuisance-free agricultural chemicals result of use is poor, because do not form the special-purpose agricultural chemicals of crops classification.
Though 2, classification such as biopesticide white muscardine fungi, BT is used, because of being subjected to region and weather condition effect, and the effect of large area control insect pest is undesirable.
Though 3, plant pesticide has fine insecticidal activity.But because of prescription not reason such as science, folk prescription insect is produced in a short time comfort the property of medicine and do not reach the expection insecticidal effect because it does not form a kind of plant pesticide of special-purpose control rice pest.Some plant pesticide can be controlled pest at present, can control forestry pest again, this is unscientific, because agricultural and forestry pest are the insects of two big class life habits, besides the life habit of crop pests is also all inequality, and the insect of paddy rice and wheat is exactly two kinds of life habits, so medication cannot treat different things as the same, must have science, branch seasonality and specific aim and use, otherwise will produce many-sided ill effect.More than many shortcomings, demand urgently improving.
Summary of the invention
The objective of the invention is to provide a kind of green emulsion of noresidue man medicine of the rice crop pests of harnessing the river, it does not contain the residuals harmful to animal, is a kind of high efficiency, specific aim, environment-friendly type, no secondary toxicity, noresidue, free from environmental pollution, public nuisance-free agricultural chemicals---the production method of paddy rice special-purpose non-toxic pesticide and this agricultural chemicals that can keep ecological balance.
The technical solution adopted in the present invention is: the paddy rice special-purpose non-toxic pesticide, it is formulated by vegetable insecticide and special assistant, vegetable insecticide by hemp, and oneself, xanthate wormwood artemisia, tobacco, Phytolacca acinosa, bitter cottonrose hibiscus prescription make, its prescription is: hemp 27-37kg, and own 26-36kg, artemisia annua 12-22kg, tobacco 23-38kg, Phytolacca acinosa 15-38kg, bitter cottonrose hibiscus 6-16kg.
Can add the rhizome of Chinese monkshood in above-mentioned rice green pesticide prescription, its addition is rhizome of Chinese monkshood 8-15kg.
Auxiliary agent comprises that emulsifier, turpentine oil, bleeding agent, preservative and concentration are 80 °-95 ° ethanol, and the proportion scale of auxiliary agent is emulsifier 6-12kg, turpentine oil 10-18kg, bleeding agent 3-5kg, preservative 0.4-1.5kg, ethanol 18-26kg.
Vegetable insecticide is 1-13 with the weight batching ratio of auxiliary agent: 1.
The production method of paddy rice special-purpose non-toxic pesticide:
1, get hemp, and oneself, artemisia annua, tobacco, Phytolacca acinosa, the rhizome of Chinese monkshood, bitter cottonrose hibiscus, and respectively with hemp, and oneself, artemisia annua, Phytolacca acinosa, tobacco, bitter cottonrose hibiscus, the rhizome of Chinese monkshood, cut into pieces the back each use;
2, by charge ratio get above-mentioned various raw material be respectively charged into soak the pool jar in, the water that adds 6.5 times of amounts of above-mentioned crude drug, soaked at normal temperatures 5 hours, extract secondary 80-90 ℃ of boiling, carry about 5-7 hour at every turn, crude drug liquid after the second extraction combines, and refilters, and seals up for safekeeping the crude drug liquid running into tank after filtering standby;
3, each filtering liquid medicine of gained is imported respectively in the inspissator, be decompressed to 0.5-0.1Mpa, be concentrated to 1ml and be equivalent to crude drug liquid 3-6g under 70-90 ℃ of humidity, promptly 22-28Be measures content and collects concentrated medicament, can obtain concentrating paste;
4, each concentrated medicament of gained is got hemp 7.5-11.5 respectively, and own 7-11kg, artemisia annua 4-9kg, tobacco 9-13kg, Phytolacca acinosa 6-13kg, bitter cottonrose hibiscus 3-6kg, rhizome of Chinese monkshood 2-6kg is input in the reactor, add 70% ethanolic solution in 4: 1 ratios, stirred 30-60 minute, put into the settling tank precipitation 24-48 hour, the elimination insoluble matter, in the indefinite filtered fluid input of gained destilling tower, be heated to 85-90 ℃ of distillation, reclaim ethanol to 1/2 of substance kind, collecting liquid imports in the surplus reactor again, add emulsifier 6-12kg successively by required proportion scale, turpentine oil 10-18kg, bleeding agent 3-6kg, preservative 0.5-1.5kg, ethanol 18-25kg, with above-mentioned various auxiliary agent mixing and emulsifying 1.5-3h, promptly obtain the paddy rice special-purpose non-toxic pesticide.
Optional tween 35-60 of emulsifier etc., preservative can select sorbic acid, benzoic acid to receive etc. in above-mentioned auxiliary agent, and bleeding agent can be selected dimethyl sulfoxide (DMSO) etc.
An important feature of the present invention is to contain multiple biological activity in the medicine, with mixing multielement component, the comprehensive insect antibody factor and science preparation, when the contact of the polypide of insect and food are got it filled thing, be seeped in skin and the body by epidermis, through not slightly nerve reach the center nerve, block nerves conduction makes insect produce excited and forms toxic state and death by suffocation.It is better that specialty is used for the paddy rice effect, also can be used for the plant insect in identical crop and same season.This agricultural chemicals except that disorderly skin texture being arranged and tag the effect, and has stomach toxicity to kill and wound to insect, walks quickly and keeps away and strong food refusal effect.
Another one characteristics of the present invention are to contain the required trace element of various plants and nitrogen, phosphorus, potassium etc. in the medicine.After plant and paddy rice sprayed this agricultural chemicals, it was blackish green not only to have a leaf surface brightening, and life is vigorous, and strong fruit improves product hierarchy and preferred rate, and to make agricultural byproducts be to keep original local flavor.Also be development pollution-free food and the indispensable agricultural chemicals of keeping ecological balance.For showing the control efficiency of this agricultural chemicals to crop pests, agricultural chemicals of the present invention in Beijing in the whole nation, ground such as Guangdong, Hebei, Guangxi, Yunnan, Sichuan, Jiangxi, Hunan, Hubei, Henan, Zhejiang, Shandong, Anhui, Jiangsu made a large amount of vermins-proof effect comparative trials, proved that this agricultural chemicals has very strong insecticidal effect to the paddy rice crop pests, killing rate reaches 100%, but, the Lepidoptera of other crops, Semiptera, stick up that the anti-efficient of kind of insect reaches more than 85% surplus wing order, Homoptera and the diptera 40 to vegetables, melon and fruit, forest, flowers.
With 2.5% cream of decamethrin contrast proof, 1 day anti-efficient is respectively 100%, 100%, 99% after the dispenser of 1000,1500,2000 times of dilutions of agricultural chemicals of the present invention medicament; 1600 times of dilutions of 2.5% cream of decamethrin pharmacy control efficacy rate only is 68%.After 3 days, 1000,1500,2000 times of dilutions of agricultural chemicals of the present invention pharmacy control efficacy rate is 99%; 1600 times of dilutions of 2.5% cream of decamethrin pharmacy control efficacy rate is 77%.
Prove that according to test data agricultural chemicals of the present invention and 2.5% cream of decamethrin vermins-proof effect have extremely evident difference.Conclusion is an agricultural chemicals of the present invention, can replace the part chemical pesticide fully.
Agricultural chemicals of the present invention not only has the special pesticide performance, regards as low toxicity and nonpersistent pesticide according to toxicological test, is a kind of novel green agricultural chemicals.Chemical pesticide is except that having high toxicity, also have permanent toxic residue problem, and residual life is long, damaging range is wide, the precipitation accumulation causes serious disease and life harm in human body and animal, this is universally acknowledged global pollution problem, and the extensive degree that chemical pesticide pollutes is well imagined.
Agricultural chemicals of the present invention is that to adopt pure natural plant be that raw material is formulated through science processing, not only be hypotoxicity, and does not have the toxic residue problem, also can be to the natural enemy of insect---birds produce secondary and kill, can to humans and animals and ecological constitute endanger.
The present invention does not have " three cause " and " three wastes " and exists by facts have proved.
Comprehensive the above, rice green pesticide of the present invention be a kind of high efficiency, specific aim, the feature of environmental protection, no secondary toxicity, noresidue, pollution-free, keep ecological balance, non-harmful novel agrochemical, be to realize the ecological agriculture, the green ecological agricultural, the important assurance of green enterprises has bright prospects.
Embodiment
Rice green pesticide is by vegetable insecticide and special assistant is composite makes.Vegetable insecticide by hemp, and, tobacco, bitter cottonrose hibiscus, artemisia annua, Phytolacca acinosa, the rhizome of Chinese monkshood form, its prescription is: hemp 32kg, reach 30kg, tobacco 30kg, bitter cottonrose hibiscus 10kg, artemisia annua 20kg, Phytolacca acinosa 27kg, rhizome of Chinese monkshood 12kg.Auxiliary agent is made up of turpentine oil, ethanol, Tween-60, sorb, the inferior maple of dimethyl, and its charge ratio is that turpentine oil 14kg, concentration are 80% the inferior maple 4.5kg of ethanol 23kg, 10kg Tween-60, sorbic acid 0.8kg, dimethyl.Vegetable insecticide and auxiliary agent charge ratio are 1: 1.
The production method of rice green pesticide:
A, learn from else's experience hemp 32kg after handling, and 30kg, tobacco 30kg, bitter cottonrose hibiscus 10kg, artemisia annua 20kg, Phytolacca acinosa 27kg, rhizome of Chinese monkshood 12kg respectively, be respectively charged into to soak and select in the jar, the water that adds 6.5 times of crude drug amounts of water, soaked at normal temperatures 5 hours, steam heated is to 80-90 ℃, 6h is extracted in boiling, secondary is extracted in boiling respectively, the secondary soup is merged filtration, again filtrate is input to respectively in the inspissator, is decompressed under the 0.5MPa pressure, under 90 ℃, be concentrated to 1ml, be equivalent to crude drug amount 3-6g, concentration 22-19Be;
B, with each concentrate of gained by getting hemp 9.5kg respectively, reach 9kg, tobacco 10.5kg, bitter cottonrose hibiscus 4.5kg, artemisia annua 7kg, Phytolacca acinosa 9.5kg, rhizome of Chinese monkshood 4kg, and be input in the reactor, adding concentration by 4: 1 weight ratios is 70% ethanol, stirred 40 minutes, put into the settling tank precipitation 30 hours, the elimination insoluble matter, in gained filtrate input destilling tower, be heated to 85-95 ℃, reclaim ethanol to original volume 1/2, collecting mother liquor is input in the reactor again, and add turpentine oil 13kg successively, ethanol 22kg, sorbic acid 0.8kg, inferior maple 4.5kg of dimethyl and 9kg Tween-60, mixing and emulsifying 2h promptly gets paddy rice special-purpose non-toxic pesticide finished product.
Employed capital equipment in the main processes:
The FS-20 slicer that raw material section, chopping are used, raw material pulverizing QJ-3 cracker, molten leaching multi-function extractor DJN-6000 filters and uses the KLC-650 filter, and concentrating under reduced pressure device SJN-5000 detects and uses gas chromatograph, receives cream 10m
2Basin, solvent essence are taken dynamic multifunctional extractor DJN-6000, I precipitation settling tank CD-6000, and distillation is reclaimed with multi-functional recovery inspissator DJN-2000B-φ 800, and is synthetic with high-order measuring tank reactor-3m
2, can GZJ-30 type liquid filling machine.
Claims (6)
1, rice green pesticide, be to be mixed with by vegetable insecticide and special assistant, it is characterized in that vegetable insecticide by hemp, and oneself, artemisia annua, tobacco, Phytolacca acinosa, bitter cottonrose hibiscus be mixed with, its prescription is: hemp 27-37kg, and own 26-36kg, tobacco 23-38kg, artemisia annua 12-22kg, Phytolacca acinosa 15-38kg, bitter cottonrose hibiscus kg; Described auxiliary agent comprises that turpentine oil, concentration are 80-95 ℃ ethanol, emulsifier, bleeding agent, preservative, and the charge ratio of auxiliary agent is turpentine oil 10-18kg ethanol 18-26kg, emulsifier 6-12kg, bleeding agent 3-6kg, preservative 0.4-1.5kg; The charge ratio of vegetable insecticide and special assistant is counted 1-13 by weight ratio: 1.
2, a kind of rice green pesticide according to claim 1 is characterized in that, can add the rhizome of Chinese monkshood in the described vegetable insecticide, and its addition is rhizome of Chinese monkshood 8-15kg.
3, according to the described a kind of rice green pesticide of claim 2, it is characterized in that described vegetable insecticide by hemp, and oneself, artemisia annua, tobacco, Phytolacca acinosa, bitter cottonrose hibiscus and the rhizome of Chinese monkshood forms, its prescription is: hemp 32kg, reach own 30kg, tobacco 30kg, bitter cottonrose hibiscus 10kg, artemisia annua 20kg, Phytolacca acinosa 27kg, rhizome of Chinese monkshood 12kg; Auxiliary agent is made up of turpentine oil, ethanol, emulsifier, preservative, bleeding agent, and its charge ratio is turpentine oil 14kg, ethanol 23kg, emulsifier 10kg, preservative 0.8kg, bleeding agent 4.5kg; Vegetable insecticide and auxiliary agent charge ratio are counted 1: 1 by weight ratio.
4, according to claim 1 or 3 described a kind of rice green pesticides, it is characterized in that the optional tween 30-60 of described emulsifier, the optional dimethyl sulfoxide (DMSO) of bleeding agent, the optional sorbic acid of preservative.
5, a kind of production method of rice green pesticide is characterized in that:
A, respectively with hemp, and oneself, artemisia annua, Phytolacca acinosa, the chopping of bitter cottonrose hibiscus, with the tobacco chopping;
B, by charge ratio get hemp after the above-mentioned processing, and oneself, artemisia annua, tobacco, Phytolacca acinosa, bitter cottonrose hibiscus and the rhizome of Chinese monkshood be respectively charged into and soak in the pool jar, the water that adds 6.5 times of amounts of crude drug, soaked at normal temperatures 5 hours, extract secondary in boiling below 80-95 ℃, carry 5-7 hour at every turn, second extraction crude drug liquid is merged, filter, it is standby to collect gained filter crude drug liquid;
C, each filtering liquid medicine of gained is input to respectively in the inspissator, is decompressed to 0.5-0.1Mpa, be concentrated to 1ml and be equivalent to crude drug 3-6g under 70-90 ℃ of temperature, promptly 22-29Be concentrates paste;
D, each concentrate of above-mentioned gained is got hemp 7.5-11.5kg respectively, and own 7-11kg, artemisia annua 4-9kg, tobacco 9-13kg, Phytolacca acinosa 6-13kg, bitter cottonrose hibiscus 3-6kg, rhizome of Chinese monkshood 2-6kg, be input in the reactor, add 70% ethanolic solution by 4: 1 weight ratios, stirred 30-60 minute, put into the settling tank precipitation 24-48 hour, the elimination insoluble matter, in gained filtered fluid input destilling tower, be heated to 85-95 ℃ of distillation, reclaim ethanol to 1/2 of original volume, collecting mother liquor is input in the reactor again, add turpentine oil 10-18kg successively by required charge ratio, concentration is 70-95 ℃ ethanol 18-25kg, emulsifier 6-12kg, preservative 0.5-1.5kg, bleeding agent 3-6kg, mixing and emulsifying 1.5-3h promptly gets the paddy rice special-purpose non-toxic pesticide.
6, the production method of a kind of rice green pesticide according to claim 5 is characterized in that:
A, respectively get hemp, and oneself, tobacco, bitter cottonrose hibiscus, artemisia annua, Phytolacca acinosa, the rhizome of Chinese monkshood be respectively charged into and soak in the pool jar, the water that adds 6.5 times of crude drug amounts of water soaked 5 hours at normal temperatures, and steam heated is to below 80-90 ℃, 6h is extracted in boiling, secondary is extracted in boiling respectively, and the secondary medicine is filtered, and is input to filtrate in the inspissator respectively again, 0.5Mpa reduces pressure, under 90 ℃, be concentrated to 1ml, be equivalent to crude drug amount 3-6g, concentration 22-29Be;
B, get above-mentioned concentrate hemp 9.5kg respectively, and own 9kg, tobacco 10.5kg, bitter cottonrose hibiscus 4.5kg, artemisia annua 7kg, Phytolacca acinosa 9.5kg, rhizome of Chinese monkshood 4kg, and be input in the reactor, adding concentration by 4: 1 weight ratios is 70% ethanol, stirred 40 minutes, put into the settling tank precipitation 30 hours, the elimination insoluble matter, again with in the gained filtrate input destilling tower, be heated to 85-95 ℃, reclaim ethanol to 1/2 of original volume, collect mother liquor and be input in the reactor again, and add turpentine oil 13kg successively, ethanol 22kg, the 9kg Tween-60, sorbic acid 0.8kg, the inferior maple 4.5kg of dimethyl, mixing and emulsifying 2h promptly gets paddy rice special-purpose non-toxic pesticide finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100805162A CN1714651A (en) | 2005-07-04 | 2005-07-04 | Rice green pesticide and producing method |
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| CNA2005100805162A CN1714651A (en) | 2005-07-04 | 2005-07-04 | Rice green pesticide and producing method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100418403C (en) * | 2006-03-23 | 2008-09-17 | 赵永弟 | Rice plantation without pesticide and fertilizer |
| CN102318649A (en) * | 2011-09-05 | 2012-01-18 | 泰安市泰山林业科学研究院 | A kind of plant resource preparation of Antiphytoviral |
| CN102415417A (en) * | 2011-12-16 | 2012-04-18 | 天长市中能国泰能源技术有限公司 | Non-polluted residue-free green pesticide for fruits and vegetables |
| CN102422846A (en) * | 2011-12-16 | 2012-04-25 | 天长市中能国泰能源技术有限公司 | Wheat green pesticide |
| CN102428975A (en) * | 2011-12-16 | 2012-05-02 | 天长市中能国泰能源技术有限公司 | Paddy environmentally-friendly pesticide |
| CN102550612A (en) * | 2011-12-16 | 2012-07-11 | 天长市中能国泰能源技术有限公司 | Ecological environment-friendly pesticide |
| CN105010422A (en) * | 2015-04-30 | 2015-11-04 | 新昌县大成生物科技有限公司 | Botanical rice planthopper repellent |
| CN106900753A (en) * | 2017-04-07 | 2017-06-30 | 安徽中煦环保新材料科技有限公司 | A kind of paddy rice environmental protection nursing material and preparation method thereof |
| CN107494614A (en) * | 2017-07-27 | 2017-12-22 | 张银花 | A kind of agriculturally useful compositions for preventing and treating rice sheath blight disease |
| CN107691493A (en) * | 2017-10-20 | 2018-02-16 | 桂林市春晓环保科技有限公司 | A kind of green and environment-friendly pesticide and preparation method thereof |
-
2005
- 2005-07-04 CN CNA2005100805162A patent/CN1714651A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100418403C (en) * | 2006-03-23 | 2008-09-17 | 赵永弟 | Rice plantation without pesticide and fertilizer |
| CN102318649A (en) * | 2011-09-05 | 2012-01-18 | 泰安市泰山林业科学研究院 | A kind of plant resource preparation of Antiphytoviral |
| CN102318649B (en) * | 2011-09-05 | 2013-06-12 | 泰安市泰山林业科学研究院 | Plant-derived preparation against plant viruses |
| CN102415417A (en) * | 2011-12-16 | 2012-04-18 | 天长市中能国泰能源技术有限公司 | Non-polluted residue-free green pesticide for fruits and vegetables |
| CN102422846A (en) * | 2011-12-16 | 2012-04-25 | 天长市中能国泰能源技术有限公司 | Wheat green pesticide |
| CN102428975A (en) * | 2011-12-16 | 2012-05-02 | 天长市中能国泰能源技术有限公司 | Paddy environmentally-friendly pesticide |
| CN102550612A (en) * | 2011-12-16 | 2012-07-11 | 天长市中能国泰能源技术有限公司 | Ecological environment-friendly pesticide |
| CN105010422A (en) * | 2015-04-30 | 2015-11-04 | 新昌县大成生物科技有限公司 | Botanical rice planthopper repellent |
| CN106900753A (en) * | 2017-04-07 | 2017-06-30 | 安徽中煦环保新材料科技有限公司 | A kind of paddy rice environmental protection nursing material and preparation method thereof |
| CN107494614A (en) * | 2017-07-27 | 2017-12-22 | 张银花 | A kind of agriculturally useful compositions for preventing and treating rice sheath blight disease |
| CN107691493A (en) * | 2017-10-20 | 2018-02-16 | 桂林市春晓环保科技有限公司 | A kind of green and environment-friendly pesticide and preparation method thereof |
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Open date: 20060104 |