CN1844063A - Weeding pesticide-added fertilizer for paddy and method for preparing the same - Google Patents
Weeding pesticide-added fertilizer for paddy and method for preparing the same Download PDFInfo
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- CN1844063A CN1844063A CN 200610067294 CN200610067294A CN1844063A CN 1844063 A CN1844063 A CN 1844063A CN 200610067294 CN200610067294 CN 200610067294 CN 200610067294 A CN200610067294 A CN 200610067294A CN 1844063 A CN1844063 A CN 1844063A
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Abstract
The invention provides a rice weeding fertilizer, which comprises the effective pesticide compositions of bensulfuron 0.005-0.20 wt%, butachlor 0.096-0.35 wt%, carrying agent fertilizer 35-55 wt%, safety agent 0.002-0.02 wt%, Zn, B, Fe and Cu trace elements 1.5-5.0 wt%, compounds of Si and Ca 20-30 wt%, and balancing filling material.
Description
Technical field
The present invention relates to a kind of Weed removal medicinal fertilizer for paddy rice and manufacture method thereof
Technical background
The research of Weed removal medicinal fertilizer, the data record sees 1964 " northeastern Japan agricultural experiment station research report " the earliest, ploughing one with this paddy is that the researchist of representative begins one's study from early 1960s and weedicide pentachlorophenol (PCP) is sneaked into fertilizer uses as base manure, reach the saving labour with it, the purpose of continuity herbicidal effect.Result of study shows, uses the NH that sneaks into PCP in the field
3Behind-N the fertilizer, can prevent NO
3-disappearance, reason is the metabolism that PCP can suppress nitrobacteria in the soil, and nitrification is hindered, thereby obtains PCP and fertilizer is used with, not only can keep its drug effect, and the conclusion that suppresses nitrification and the similar effect of topdressing is arranged.U.S. scientific research personnel finds prometryn energy strongly inhibited nitrification and denitrification at the mid-1960s, reduces the loss of nitrogen, can also strengthen biological nitrogen fixation, so can increase the nitrogen content in the soil.Kind surplus the weedicide 300 that the beginning of the eighties, the U.S. also once proposed Gong to use with, chemical fertilizer has 5 kinds, and wherein great majority are liquid composite fertilizer.But because the researchist finds that Weed removal medicinal fertilizer Chinese medicine and fertilizer do not match, process reasons such as loaded down with trivial details, poor stability, all fail large scale application after through some research, further research report is also rare.
Before and after the eighties, scientific research departments such as China Jilin Agriculture University, Ningxia Academy of Agri-Forestry Sciences, academy of agricultural sciences, Zhejiang Province and academy of agricultural sciences, Heilungkiang have also carried out the research of relevant Weed removal medicinal fertilizer in succession.With 2,4-D weedicide and urea or calcium superphosphate are used with as the Heilongjiang Province, find to have tangible synergy production-increasing function, particularly calcium superphosphate the most remarkable in raising drug effect and production-increasing function, but fail to be developed into stable product.The herbicide urea of Zhejiang, the development of Ningxia two provinces adopts coating method that weedicide is wrapped in the urea granules appearance, and finds that weedicide has significant inhibitory effect to the living spore sarcina ureae of the Ammonifying bacteria in the soil, thereby can improve the utilization ratio of urea.The use of on paddy rice, topdressing, though formed product, too single because of fertilizer and weedicide, the hypotrophy face, it is narrow to kill the grass spectrum, causes the integrated application effect undesirable, is difficult to apply.In fact the multi-functional special use of 16 weight % weeding type paddy rice that Hunan Province Academy of Agricultural Sciences is developing is topdressed is exactly the ammonium hydrogencarbonate that has wrapped up weedicide, and fertilizer component is still single.The 1972-1974 of Jilin Agriculture University studies show that, after accounting for the sodium pentachlorophenate of fertilizer 7 weight %-15 weight % and urea or ammonium hydrogencarbonate and using with, can suppress the nitrification of soil, improves fertilizer effectiveness, and this is similar with day result of study of the cultivated first-class people of written or printed documents paddy.Go to river in the Jiangsu the regional institute of agricultural sciences developed since 1989 with Application and Development Weed removal medicinal fertilizer---the weeding of rice wheat oil series farm crop is special-purpose fertile, break through former studies and only limited to straight fertilizer and certain weedicide blended frame, adopt multiple multiple (mixing) to close technology and measure, make product really reach the double effects of infertile field and weeding.Through exploration for many years.The series product that are developed into gone to river in Jiangsu composite fertilizer of regional institute of agricultural sciences factory, Tongcheng City, Anhui chemical industry company limited, Yuanjiang City, Hunan farmingization company limited and the industrialization development of Henan Zhumadian area Feng Wang insecticide factory, product is applied in area, the middle and lower reach of Yangtze River.
In addition, " one executes spirit " of " the rice weeding compound fertilizer " of Guangxi Inst. of Chemical Engineering, the development of Guangxi graduation factory and the development of the fertile limited liability company of Yulin City of Guangxi Zhuang Autonomous Shibaoling medicine once registered achievement, do not commercially produce but change over to so far.In general, domestic research and development to the Weed removal medicinal fertilizer product is less, and product category is few, and turnout is few.So far, Guangxi does not also have the product of manufacturer production Weed removal medicinal fertilizer class, the yet sale of rarely seen this series products on the market.Look into according to the retrieval newly, still do not have like product at home and put on market.
The applicant needs fertile feature according to paddy field weed kind, characteristics and paddy growth, is developed into to integrate medicine, fertilizer, has the fertilizer granules product innovation of weeding and fertilizer efficiency function, meets the agricultural chemicals developing direction.This product adds materials such as weedicide benbbensulfuronmethyl, Butachlor technical 92 and safe auxiliary agent, stablizer and forms stable composite grain body for being carrier with the nitrogenous fertilizer that rationally is mixed.Solved the uniform mixing technology of low component agricultural chemicals and carrier fertilizer; Realize the best of breed of bake out temperature regulation and control in the fertilizer granules course of processing, both guaranteed production efficiency, guaranteed pesticide composition lower rate of decomposition in drying course again; By technological transformation and operation conditions optimization, increased substantially the ratio of briquetting of fertilizer granules to the internal structure of oven dry rotary kiln, cooling cylinder.Formed a whole set of technology of the fertile production of advanced, sophisticated medicine.Solving on the key process technology basis, fertilizer granules production line and the relevant auxiliary facility that annual capacity reaches 40,000 tons built up in design, and production unit operational excellence, quality product reach the Q/LTSW10-2005 standard-required.Product is through Guangxi, Jiangxi, and Nanjing, Hubei, the field medicine effect test on five ground, provinces and regions, Sichuan proves: the preventive effect to paddy field weed reaches more than the 90 weight %, to rice safety, can promote paddy growth, has production-increasing function.Detect through Tianjin chemical toxicity toxicology that calibrating is carried out, the fertile toxicity of this medicine is low toxicity level.The fertile applied once of medicine can be finished the fertilizing and weeding two procedures simultaneously, both can solve weeds and paddy rice contention nutrient contradiction in the very first time, again can labor savings.Therefore, the successful exploitation of this product is the once change to China's paddy rice traditional cultivation management mode.
Summary of the invention
The prescription of Weed removal medicinal fertilizer of the present invention comprises pesticide active ingredient:
Benbbensulfuronmethyl 0.005 weight %---0.20 weight %;
Butachlor technical 92 0.096 weight %---0.35 weight %;
Carrier fertilizer (containing effective nutrients of nitrogen 12 weight %---30 weight %) 35-55 weight %;
Safener 0.002 weight %---0.02 weight %; All the other are filler.
This medicine fertilizer also can contain one or more compounds, and the content of its zinc, boron, iron and cu microelements adds up to 1.5 weight %---5.0 weight %; One or more compounds, the content of its silicon and calcium constituent add up to 20---30 weight %.The available nutrient that the carrier fertilizer of medicine fertilizer of the present invention is contained is one of urea, ammonium chloride, ammonium sulfate or their mixture; Safener is 4,6-two chloro-2-phenyl-pyrimidines; Filler is kaolin or clay or their mixture.
The present invention also provides a kind of manufacture method of Weed removal medicinal fertilizer for paddy rice, and 0.005 weight %---0.20 weight % benbbensulfuronmethyl pulvis, 0.096 weight %---0.35 weight % Butachlor technical 92 pulvis repeatedly dilutes with filler and mixes into Preblend; With this Preblend and 35-55 weight % nitrogen content is the carrier fertilizer of 12 weight %---30 weight %, and 0.002 weight %---0.02 weight % safener mixing granulation becomes stable fertilizer granules.Adopt the size of regulating vacuum fan speed, control dram import and export temperature is tested through reality, inlet temperature is controlled at 140--180 ℃, temperature out is controlled at 55--75 ℃, and oven dry grain forming rate is increased to 70 weight % by original once shaped rate 50 weight %; Product pesticide composition rate of decomposition can be controlled in below the 8 weight %; Gained fertilizer granules size is even, slick and sly, hardness is suitable, no dust does not lump; Particle after the oven dry carries out finished product packing after overcooling, screening, check, the powder sieving thing turns back to mixed processes after crushed.
Also can contain one or more compounds in the fertilizer granules in this method, the content of its zinc, boron, iron and cu microelements adds up to 1.5 weight %---5.0 weight %; One or more compounds, the content of its silicon and calcium constituent add up to 20---30 weight %.
The available nutrient that carrier fertilizer is contained in the medicine fertilizer manufacturing method of the present invention is one of urea, ammonium chloride, ammonium sulfate or their mixture; Safener is 4,6-two chloro-2-phenyl-pyrimidines; Filler is kaolin or clay or their mixture.
The compounded preparation of pesticide prescription that is used to prevent and kill off paddy field weed is a lot, and the pesticide active ingredient that Weed removal medicinal fertilizer of the present invention is selected for use is benbbensulfuronmethyl and Butachlor technical 92.Benbbensulfuronmethyl (bensulfuron) belongs to sulfonylurea herbicide, it is side switch amino acid synthetic inhibitor, behind the crop bud, before the weeds bud or dispenser behind the bud, can prevent and kill off broadleaf weeds and rice field nutgrass flatsedge, to most of annual higher with perennial broadleaf weed and sedge weed preventive effect, but relatively poor to the gramineous weeds preventive effect, the regulation using dosage under to rice safety.Butachlor technical 92 (butachlor) belongs to acetamide-group herbicides, and its mechanism of action is to suppress the protein synthesis of sensitive plant, is mainly used in rice terrace and prevents and kill off annual gramineae and some broadleaf weeds, absorbs by young shoot and root system, to rice safety.Two kinds of medicaments, the structure difference, mechanism of action difference by rationally being mixed, can be prevented and kill off broad-leaved and gramineous weeds simultaneously, has enlarged herbicidal spectrum, has improved preventive effect.Reduced dosage simultaneously, paddy rice and environmentAL safety have been improved.
Weed removal medicinal fertilizer of the present invention is the regulation of fertilizer requirement according to rice growth, the best period of using at Weed removal medicinal fertilizer for paddy rice is in Honda growth early stage behind the rice transplanting, and these phase paddy rice need are fertile in the N element, therefore, select at the nutriment in a fertilizer of medicine fertilizer, mainly based on nitrogenous fertilizer, with urea and ammonium chloride, ammonium sulfate etc. by a certain percentage, help paddy rice rapid absorption nutrient.
Add safener in the Weed removal medicinal fertilizer prescription, can prevent effectively that Butachlor technical 92 from causing poisoning because of the existence of a small amount of alachlor.In order to improve of the security of medicine fertilizer,, improve output to promote rice growth to paddy rice.
Add beneficial element silicon, calcium etc. in the Weed removal medicinal fertilizer prescription; Add trace element zinc, boron, iron, copper etc., guarantee paddy rice normal health growth under the trace element in capacity, can effectively prevent the paddy rice seat root and stem of certain plants, strengthen the paddy rice anti contravariance ability, reduce disease and pest and take place, promote the paddy rice early growth and quick tiller.
The toxicology of fertilizer granules of the present invention is identified, is finished by the calibrating of Tianjin chemical toxicity, has carried out the test of five gainers altogether, and qualification result is as follows:
(1) to big white mouse (♀, ♂) acute oral toxicity LD
50All, belong to low toxicity level greater than 5000.00mg/kg.BW.
(2) to big white mouse (♀, ♂) acute dermal toxicity LD
50All, belong to low toxicity level greater than 2000.00mg/kg.BW.
(3), belong to the nonirritant level to the White Rabbit eye irritant test.
(4), belong to the nonirritant level to the White Rabbit skin irritation test.
(5) guinea pig skin transformation reactions (sensitization) test, intensity is the I level, belongs to weak sensitizer.
Result to sum up, fertilizer granules belongs to the low toxicity product, meets current pesticide developing trend.
The field control effectiveness test of fertilizer granules, be arranged in 5 provinces (district) such as agriculture chemical examination institution, Guangxi, agriculture chemical examination institution, Jiangxi Province, Institute of Plant Protection, academy of agricultural sciences, Sichuan, Institute of Plant Protection, academy of agricultural sciences, Hubei Province, Agricultural University Of Nanjing weeds research department by The Institute for the Control of Agrochemicals of the Ministry of Agriculture,PRC and carried out " 2 years five ground " 10 field control effectiveness tests, be summarized as follows.
The various places reagent agent:
(1), fertilizer granules of the present invention.
(2), 10 weight % benbbensulfuronmethyl wettable powders, du pont company production.
(3), 50 weight % butachlor ecs, Jiangsu Changlong Chemical Co produces.
For trying object:
(1), barnyard grass grass Echinalis crusgallicl, Beaur.
(2), Sheathed Monochoria Monochriava vaginalis (Burn.F.)
(3), Herba Cyperi Difformis Cypehus Difformis c.
Test is handled:
(1), the fertile GR of medicine of the present invention, 50kg/ mu (commodity amount).
(2), the fertile GR of medicine of the present invention, 40kg/ mu (commodity amount).
(3), the fertile GR of medicine of the present invention, 30kg/ mu (commodity amount).
(4), 10 weight % benbbensulfuronmethyl WP, 20g/ mu (commodity amount).
(5), 50 weight % Butachlor technical 92 EC, 125ml/ mu (commodity amount).
(6)、CK。
Test-results gathers and sees Table 1.From the various places field test results, fertilizer granules of the present invention improves preventive effect 88.74 weight % when a mu consumption is 30kg/ mu to the preventive effect of weeds in paddy field such as barnyard grass grass, Sheathed Monochoria, Herba Cyperi Difformis with the increase of dosage, reach 93.32 weight % during 40kg/ mu, 95.85 weight % during 50kg/ mu.Comprehensive use cost and preventive effect situation, suggestion are produced and are gone up the usage quantity that adopts 40kg/ mu-50kg/ mu.
Table 1. fertilizer granules of the present invention " 2 years five ground " herbicidal effect summary sheet
Unit: weight %
Various places pilot survey its security and production-increasing function to paddy rice, all find no symptom of chemical damage, to the growing of paddy rice (as tiller, plant height, bar are thick, blade etc.) all have no adverse effects, measure output during results, average stimulation ratio is 7.99 weight %, proves significantly production-increasing function.
Feed intake (seeing Table 2) as can be seen by ten batches of productions, the product appearance quality that adopts this manufacture method to produce is better, every technical indicator such as active constituent content, moisture is all qualified, stable yield is at 98 weight %, production efficiency also reaches per hour 7.0 tons of expection, and promptly annual capacity reaches 4.0 ten thousand tons.Technological design science, the processing technology that has proved us is feasible, lectotype selection is suitable, quality product reaches a standard, and can produce in batches fully.
Table 2. ten batch products quality situations
| Batch | The charging capacity ton | The output ton | Yield weight % | Outward appearance | The technical indicator detected result | Judge | ||||||||
| Hardness | Gloss | Powder | N weight % | Butachlor technical 92 weight % | Bensulfuron weight % | Moisture content | The pH value | Particle diameter encloses model weight % | The heat storage | |||||
| 1 | 14.0 | 13.4 | 96 | Moderate | Bright | Few | 13.9 | 0.100 | 0.0058 | 2.8 | 7.5 | 96 | Qualified | Qualified |
| 2 | 14.0 | 13.5 | 96 | Moderate | Bright | Do not have | 12.5 | 0.103 | 0.0060 | 3.7 | 7.0 | 90 | Qualified | Qualified |
| 3 | 28.0 | 27.2 | 97 | Moderate | Bright | Few | 14.0 | 0.0991 | 0.0050 | 3.7 | 7.5 | 88 | Qualified | Qualified |
| 4 | 28.0 | 27.5 | 98 | Moderate | Bright | Do not have | 12.7 | 0.0970 | 0.0055 | 3.5 | 6.5 | 87 | Qualified | Qualified |
| 5 | 28.0 | 28.0 | 100 | Moderate | Bright | Few | 13.3 | 0.108 | 0.0062 | 3.3 | 7.5 | 90 | Qualified | Qualified |
| 6 | 28.0 | 27.5 | 98 | Moderate | Bright | Do not have | 13.7 | 0.110 | 0.0060 | 3.7 | 7.0 | 86 | Qualified | Qualified |
| 7 | 28.0 | 27.2 | 97 | Moderate | Bright | Do not have | 12.5 | 0.0970 | 0.0055 | 3.0 | 7.5 | 88 | Qualified | Qualified |
| 8 | 28.0 | 27.8 | 99 | Moderate | Bright | Few | 13.1 | 0.110 | 0.0062 | 3.0 | 7.0 | 90 | Qualified | Qualified |
| 9 | 28.0 | 27.4 | 98 | Moderate | Bright | Do not have | 13.7 | 0.105 | 0.0055 | 3.0 | 7.0 | 85 | Qualified | Qualified |
| 10 | 28.0 | 27.8 | 99 | Moderate | Bright | Do not have | 12.9 | 0.098 | 0.0053 | 3.0 | 8.3 | 85 | Qualified | Qualified |
Description of drawings
Fig. 1 is the technological process of production figure of Weed removal medicinal fertilizer of the present invention.
Embodiment
With reference to the fertile technological process of production figure of medicine of the present invention.According to repeatedly releasing rare distribution principle, the Butachlor technical 92 pulvis of high density, benbbensulfuronmethyl pulvis repeatedly diluted with tensio-active agent, fine grain size filler mix into certain density Preblend; With this lower concentration agricultural chemicals Preblend and carrier fertilizer, rice safety agent, the stabilization aid mixing granulation becomes stable fertilizer granules.Adopt the size of regulating vacuum fan speed, the import and export temperature of control dram is tested through reality, inlet temperature is controlled at 140--180 ℃, temperature out is controlled at 55--75 ℃, and oven dry grain forming rate is increased to 70 weight % by original once shaped rate 50 weight %; Product pesticide composition rate of decomposition can be controlled in below the 8 weight %; Gained fertilizer granules size is even, slick and sly, hardness is suitable, no dust does not lump; Particle after the oven dry carries out finished product packing after overcooling, screening, check, the powder sieving thing turns back to mixed processes after crushed.
Claims (12)
1. Weed removal medicinal fertilizer for paddy rice comprises pesticide active ingredient:
Benbbensulfuronmethyl 0.005 weight %---0.20 weight %;
Butachlor technical 92 0.096 weight %---0.35 weight %;
Carrier fertilizer (containing effective nutrients of nitrogen 12 weight %---30 weight %) 35-55 weight %;
Safener 0.002 weight %---0.02 weight %;
All the other are filler.
2. according to the Weed removal medicinal fertilizer for paddy rice of claim 1, wherein also can contain one or more compounds, the content of its zinc, boron, iron and cu microelements adds up to 1.5 weight %---5.0 weight %.
3. according to the Weed removal medicinal fertilizer for paddy rice of claim 1 or 2, wherein also can contain one or more compounds, the content of its silicon and calcium constituent adds up to 20---30 weight %.
4. according to the Weed removal medicinal fertilizer for paddy rice of claim 1, the available nutrient that wherein said carrier fertilizer is contained is one of urea, ammonium chloride, ammonium sulfate or their mixture.
5. according to the Weed removal medicinal fertilizer for paddy rice of claim 1, wherein said safener is 4,6-two chloro-2-phenyl-pyrimidines.
6. according to the Weed removal medicinal fertilizer for paddy rice of claim 1, wherein said filler is kaolin or clay or their mixture.
7. the manufacture method of a Weed removal medicinal fertilizer for paddy rice, 0.005 weight %---0.20 weight % benbbensulfuronmethyl pulvis, 0.096 weight %---0.35 weight % Butachlor technical 92 pulvis repeatedly dilutes with filler and mixes into Preblend; This Preblend and 35-55 weight % are contained the carrier fertilizer that effective nutrients of nitrogen is 12 weight %---30 weight %, and 0.002 weight %---0.02 weight % safener mixing granulation becomes stable fertilizer granules.Adopt the size of regulating vacuum fan speed, control dram import and export temperature is tested through reality, inlet temperature is controlled at 140--180 ℃, temperature out is controlled at 55--75 ℃, and oven dry grain forming rate is increased to 70 weight % by original once shaped rate 50 weight %; Product pesticide composition rate of decomposition can be controlled in below the 8 weight %; Gained fertilizer granules size is even, slick and sly, hardness is suitable, no dust does not lump; Particle after the oven dry carries out finished product packing after overcooling, screening, check, the powder sieving thing turns back to mixed processes after crushed.
8. according to the manufacture method of claim 7, wherein also can contain one or more compounds in the fertilizer granules, the content of its zinc, boron, iron and cu microelements adds up to 1.5 weight %---5.0 weight %.
9. according to the manufacture method of claim 7 or 8, wherein also can contain one or more compounds in the fertilizer granules, the content of its silicon and calcium constituent adds up to 20---30 weight %.
10. according to the manufacture method of claim 7, the available nutrient that wherein said carrier fertilizer is contained is one of urea, ammonium chloride, ammonium sulfate or their mixture.
11. according to the manufacture method of claim 7, wherein said safener is 4,6-two chloro-2-phenyl-pyrimidines.
12. according to the manufacture method of claim 7, wherein said filler is kaolin or clay or their mixture.
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN101798245A (en) * | 2010-03-08 | 2010-08-11 | 杨化恩 | Rice weeding striking root fertilizer |
| CN101244960B (en) * | 2007-02-14 | 2010-09-15 | 甘肃省农业科学院 | Fertilizer special for weeding for wheat |
| CN102010264A (en) * | 2010-10-15 | 2011-04-13 | 湖南省中科农业有限公司 | Rice herbicide fertilizer and preparation method thereof |
| CN102126894A (en) * | 2011-03-26 | 2011-07-20 | 邓云村 | Weeding medicinal fertilizer for direct seeding rice field |
| CN102627508A (en) * | 2012-04-26 | 2012-08-08 | 广西乐土生物科技有限公司 | Transplanted rice field pesticide-weeding pesticide-fertilizer mixed agents and production method and application thereof |
| CN102640686A (en) * | 2012-03-29 | 2012-08-22 | 成都邦农化学有限公司 | Pesticide application method for controlling weeds in paddy field |
| CN103058783A (en) * | 2013-01-31 | 2013-04-24 | 广西乐土生物科技有限公司 | Herbicide vermifuge fertilizer with benzyl.butane and production method thereof |
| CN103214301A (en) * | 2013-03-25 | 2013-07-24 | 广东中迅农科股份有限公司 | Quinclorac and bensulfuron granule and preparation method thereof |
| CN103766369A (en) * | 2014-01-16 | 2014-05-07 | 江苏集贤绿色化学科技研究院有限公司 | Efficient herbicide and preparation method thereof |
| CN105325443A (en) * | 2015-10-21 | 2016-02-17 | 河南中天恒信生物化学科技有限公司 | Pyrazosulfuron and bensulfuron methyl paddy field pesticide fertilizer particle, and preparation method thereof |
Family Cites Families (4)
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| CN1096920A (en) * | 1993-06-29 | 1995-01-04 | 化学工业部沈阳化工研究院 | The preparation of bensulfuron-methyl and butachlor |
| CN1141122A (en) * | 1995-07-21 | 1997-01-29 | 季相金 | Agent used as herbicide pesticide for sturdying rice seedlings and method for preparing same |
| CN1347646A (en) * | 2000-10-10 | 2002-05-08 | 通州正大农药厂 | Herbicide for zero-tillage rice field and its production process |
| CN1305706A (en) * | 2001-02-07 | 2001-08-01 | 苏少泉 | Method for herbiciding in paddy rice field with alachlor |
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| CN101244960B (en) * | 2007-02-14 | 2010-09-15 | 甘肃省农业科学院 | Fertilizer special for weeding for wheat |
| CN101050149B (en) * | 2007-03-12 | 2010-06-09 | 廖克祥 | Weed removal medicinal fertilizer for paddy rice, and fabricating method |
| CN101798245A (en) * | 2010-03-08 | 2010-08-11 | 杨化恩 | Rice weeding striking root fertilizer |
| CN101798245B (en) * | 2010-03-08 | 2012-11-28 | 杨化恩 | Rice weeding striking root fertilizer |
| CN102010264A (en) * | 2010-10-15 | 2011-04-13 | 湖南省中科农业有限公司 | Rice herbicide fertilizer and preparation method thereof |
| CN102126894A (en) * | 2011-03-26 | 2011-07-20 | 邓云村 | Weeding medicinal fertilizer for direct seeding rice field |
| CN102640686A (en) * | 2012-03-29 | 2012-08-22 | 成都邦农化学有限公司 | Pesticide application method for controlling weeds in paddy field |
| CN102627508A (en) * | 2012-04-26 | 2012-08-08 | 广西乐土生物科技有限公司 | Transplanted rice field pesticide-weeding pesticide-fertilizer mixed agents and production method and application thereof |
| CN102627508B (en) * | 2012-04-26 | 2014-08-06 | 广西乐土生物科技有限公司 | Transplanted rice field pesticide-weeding pesticide-fertilizer mixed agents and production method and application thereof |
| CN103058783A (en) * | 2013-01-31 | 2013-04-24 | 广西乐土生物科技有限公司 | Herbicide vermifuge fertilizer with benzyl.butane and production method thereof |
| CN103214301A (en) * | 2013-03-25 | 2013-07-24 | 广东中迅农科股份有限公司 | Quinclorac and bensulfuron granule and preparation method thereof |
| CN103214301B (en) * | 2013-03-25 | 2016-05-11 | 广东中迅农科股份有限公司 | Granule of a kind of dichloro quinolinic acid and bensulfuron-methyl and preparation method thereof |
| CN103766369A (en) * | 2014-01-16 | 2014-05-07 | 江苏集贤绿色化学科技研究院有限公司 | Efficient herbicide and preparation method thereof |
| CN105325443A (en) * | 2015-10-21 | 2016-02-17 | 河南中天恒信生物化学科技有限公司 | Pyrazosulfuron and bensulfuron methyl paddy field pesticide fertilizer particle, and preparation method thereof |
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Assignee: Guangxi Letu Biological Technology Co., Ltd. Assignor: Liao Kexiang Contract record no.: 2010450000100 Denomination of invention: Weed removal medicinal fertilizer for paddy rice, and fabricating method Granted publication date: 20071226 License type: Exclusive License Open date: 20061011 Record date: 20101015 |