CN104030772B - A kind of expelling parasite desinsection, restraining and sterilizing bacteria environment-friendly fertilizer and production technique thereof and using method - Google Patents
A kind of expelling parasite desinsection, restraining and sterilizing bacteria environment-friendly fertilizer and production technique thereof and using method Download PDFInfo
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Abstract
The invention provides a kind of expelling parasite desinsection, restraining and sterilizing bacteria environment-friendly fertilizer and production technique thereof and using method.Fertilizer provided by the invention is neutral or slightly acidic fertilizer, and it contains diallyl disulfide and diallyl trisulfide mixture.The pH value of described fertilizer saturated aqueous solution can be 5-7, best 6.5-7.Described fertilizer can have one or more features following: a, composite fertilizer or compound manure; B, slow release fertilizer or release and release control fertilizer; C, organic fertilizer or mineral manure or organic-inorganic complex fertilizer; D, urea, urea ammonium nitrogenous fertilizer, peptide urea; E, monoammonium phosphate, diammonium phosphate; F, Repone K and potassium sulfate.The present invention effectively can purify soil while providing crop nutrition content, the disease and pest of control farm crop, and diallyl disulfide and diallyl trisulfide derive from Bulbus Allii extract, for the biological pesticide the safest that current room by experiment proves, have no side effect, drug residue free, has no drug resistance, and is the optimum addn that substitute antibiotics produces non-harmful product.
Description
Technical field
The present invention relates to a kind of expelling parasite desinsection, restraining and sterilizing bacteria environment-friendly fertilizer and production technique thereof and using method.Particularly relate to the mixture (ratio 2.5:1) of diallyl disulfide and diallyl trisulfide and the mixture of neutral fertilizer or slightly acidic fertilizer (fertilizer such as composite fertilizer, compound manure, slow release fertilizer, release and release control fertilizer, organic fertilizer, organic-inorganic complex fertilizer, urea, urea ammonium nitrogenous fertilizer, peptide urea, monoammonium phosphate, diammonium phosphate, Repone K, potassium sulfate) or slightly acidic fertilizer, purification soil, effective control underground disease and pest, and have effect that is stifling and that drive away to disease and pest on the ground, environmental protection.
Background technology
Current Pesticide use situation: because current diseases and pests of agronomic crop takes place frequently, the environmental consciousness of peasant is not strong, peasant uses efficient riskiest pesticide in a large number, pollute air and water source, grain and vegetable pesticide residue serious, food safety affair has generation more, and grain security threatens people's life health greatly, and grain security has become the focus that the whole society pays close attention to.
The grain-production situation in current rural area: along with the Economic development of country, the raising of the industrialized level of China, urban population far can not meet current Economic development needs, rural area person between twenty and fifty enter cities and towns one after another and do manual work, that be engaged in agriculture in rural area is old man, women, i.e. so-called " 386199 army " phenomenon.The work capacity of old man and women is inherently poor, and heavy field labour is just being perplexed and govern the development of Chinese agriculture, and even in the whole nation, a lot of local appearance is no longer cultivated, phenomenon of letting a piece of farmland go to waste.
Summary of the invention
In order to reduce the usage quantity of high malicious chemical pesticide in agricultural production process, alleviate the residual of riskiest pesticide, purification soil, preserves the ecological environment, also people's a slice clear water blue sky.The invention provides a kind of expelling parasite desinsection, restraining and sterilizing bacteria environment-friendly fertilizer formula and production technique thereof and using method.
Fertilizer provided by the invention is neutral or slightly acidic fertilizer, and it contains the mixture of diallyl disulfide and diallyl trisulfide.Weight ratio is preferably 2-3:1, is preferably 2.5:1.
Preferably, the pH value of described fertilizer saturated aqueous solution is 5-7, best 6.5-7.
Preferably, described fertilizer has one or more features following: a, composite fertilizer or compound manure; B, slow release fertilizer or release and release control fertilizer; C, organic fertilizer or mineral manure or organic-inorganic complex fertilizer.
Preferably, the fertilizer efficiency composition of described fertilizer contains one or more in urea, peptide urea, urea ammonium nitrogenous fertilizer, monoammonium phosphate, diammonium phosphate, Repone K and potassium sulfate.
A kind of production method of described fertilizer provided by the invention is: the mixture of diallyl disulfide and diallyl trisulfide and Zulkovsky starch pulvis are mixed with mixture by 1:1.5-2.5 mass ratio, with neutral or slightly acidic fertilizer component mixing, utilize fertilizer to extrude particle device, be produced into granulated fertilizer.
The another kind of production method of described fertilizer provided by the invention is: be that the diallyl disulfide of 500-1000 gram: 1 liter and the mixture of diallyl trisulfide and vegetables oil are made into mixing oily liquids by amount ratio, the granulated fertilizer of the discharge port output of particle device is after overcooling, temperature is down within 40 degrees Celsius, by spouting of liquid pressure pump described mixing oily uniform liquid is injected in fertiliser granulates surface.
The using method of described fertilizer provided by the invention is: executed in the fields by described fertilizer using method such as (can take ditch spread) spreading manuer in holes.Consider that this fertilizer may with irritating smell, when using fertilizer of the present invention, suggestion user wears labor protection glove and mouth mask.
The concrete purposes of one of described fertilizer is: executed by described fertilizer and be used for prevention and elimination of disease and pests in the fields, and the amount of application of the mixture of described diallyl disulfide and diallyl trisulfide is 50-150 gram/acre.
The content that the present invention is not particularly illustrated is all mass content.Below to some basic physical and chemical of the mixture of diallyl disulfide and diallyl trisulfide with do some to the beneficial effect that the present invention brings and introduce in detail.
The mixture basic physical and chemical of diallyl disulfide and diallyl trisulfide:
[chemical name]: the mixture (2.5:1) of diallyl disulfide and diallyl trisulfide
[character]: pale yellow oily liquid body.Be dissolved in ethanol, chloroform etc.Its pH value of water solution is 6.5, has oily matter throw out to be formed time standing.With ethanol, and benzene can dissolve each other.To heat, alkali is unstable, is deteriorated at water stability, stablizes weak acid.By being present in the bulb of liliaceous plant garlic, under large allinase effect, transform generation by the garlic aminoacid existed.Also be present in the bulb of green onion.Have strong large garlic odour, taste is peppery.
The present invention effectively can prevent the disease and pest of farm crop, purification soil, and the mixture of diallyl disulfide and diallyl trisulfide derives from Bulbus Allii extract, have no side effect, drug residue free, has no drug resistance, and is the optimum addn that substitute antibiotics produces non-harmful product.With crossing crop of the present invention and vegetables (wheat, peanut, cotton, paddy rice, corn, tomato etc.) obviously grow fine, disease and pest obviously reduces, according to the field comparison test of crop and vegetables, with the addition of the neutral fertilizer of the mixture of diallyl disulfide and diallyl trisulfide or the farm crop of slightly acidic fertilizer and vegetables etc. with crossing, the usage quantity of the malicious chemical pesticide of middle height obviously reduces, the agricultural chemicals of peasant drops into and obviously reduces, the labor force of peasant alleviates greatly, enthusiasm for labour improves, and benefit is obvious.
Accompanying drawing explanation
Fig. 1 is the process flow sheet at the mixed solution sprinkling fertilizer band reference mark of diallyl disulfide and diallyl trisulfide.
Embodiment
The present invention relates to following technical scheme: A: the stabilized with mixture technical solution of diallyl disulfide and diallyl trisulfide: a is for the impact of pH value on the stability of the mixture of diallyl disulfide and diallyl trisulfide, the mixture of diallyl disulfide and diallyl trisulfide is added, to keep the stability of the mixture of diallyl disulfide and diallyl trisulfide in neutral fertilizer or slightly acidic fertilizer or slightly acidic fertilizer (pH value 5-7).B is deteriorated gradually due to the stability of mixture in water of diallyl disulfide and diallyl trisulfide, Zulkovsky starch is added in the mixture of diallyl disulfide and diallyl trisulfide, improve the stability of the mixture of diallyl disulfide and diallyl trisulfide, and Zulkovsky starch can the irritating smell that discharges of the mixture of effectively sorbing dienes propyl disulfide compound and diallyl trisulfide to eliminate its irritating smell.C is when temperature is more than 80 degree, the bad stability of the mixture of diallyl disulfide and diallyl trisulfide, so in the production process of mixture adding diallyl disulfide and diallyl trisulfide in fertilizer, keep the temperature of production environment lower than 80 degree, to keep the stability of the mixture of diallyl disulfide and diallyl trisulfide.B: concrete production technique solution is divided into two kinds: a scheme below: for neutral fertilizer or the slightly acidic fertilizer utilization extrusion equipment production granulated fertilizer of pulvis, mixture is mixed with Zulkovsky starch pulvis by 1:1.5-2.5 mass ratio by mixture 500-1000 gram of diallyl disulfide and diallyl trisulfide, with neutral fertilizer or the mixing of slightly acidic fertilizer, utilize fertilizer to extrude particle device, be produced into granulated fertilizer.Extruding particle device domestic at present produces fertilizer, omnidistance no drying equipment, top temperature is lower than 40 degree, can not impact the stability of the mixture of diallyl disulfide and diallyl trisulfide, in process of production by adding Zulkovsky starch, effectively can improve the stability of the mixture of diallyl disulfide and diallyl trisulfide, the irritating smell of the mixture release of effective sorbing dienes propyl disulfide compound and diallyl trisulfide is to eliminate its irritating smell.B scheme: for the particle neutral fertilizer or the slightly acidic fertilizer that have Drying and cooling device fabrication, the mixture of diallyl disulfide and diallyl trisulfide is mixed the stability of the mixture to keep diallyl disulfide and diallyl trisulfide and the viscosity of mixing liquid with vegetables oil in 500-1000 gram: 1 liter of ratio, at the discharge port of granulated fertilizer, the mixture of diallyl disulfide and diallyl trisulfide is injected in granulated fertilizer surface uniformly, because at the discharge port of granulated fertilizer, granulated fertilizer is after cooling apparatus, the temperature of granulated fertilizer is all general lower than 40 degree.
The usage quantity of riskiest pesticide during the present invention reduces, alleviate the residual of riskiest pesticide, purification soil, reduce the input of capital goods in the agricultural sector, the amount of lightening one's labor, used product of the present invention, and the usage quantity of crop agricultural chemicals reduces more than 20%, drop into 10 yuan-20 yuan for peasant saves agricultural chemicals mu, reduce by 1-2 workday.
Below in conjunction with concrete case study on implementation, the present invention is described in detail.
The present invention effectively prevents and treats disease and pest under crop field, the mixture of drug effect source natural plant extracts-diallyl disulfide and diallyl trisulfide, concrete proportioning is A: for neutral fertilizer or the slightly acidic fertilizer of pulvis, the mixture of diallyl disulfide and diallyl trisulfide and Zulkovsky starch (mass ratio is 1:1.5-2.5) is mixed into mixture and utilizes extrusion equipment to produce granulated fertilizer; B: for particle neutral fertilizer or slightly acidic fertilizer, the mixture of diallyl disulfide and diallyl trisulfide and vegetables oil (500-1000 gram: 1 liter) are mixed with mixing oily liquids, and its specific embodiments is as follows:
The mixture of diallyl disulfide and diallyl trisulfide sprays with neutral fertilizer or slightly acidic fertilizer granulated fertilizer and mixes embodiment
One, the preparation of the mixture flushing liquor of diallyl disulfide and diallyl trisulfide is mixed.
By vegetables oil (as rapeseed oil or alizarin assistant), mixture (the mixture of diallyl disulfide and diallyl trisulfide of diallyl disulfide and diallyl trisulfide, 1-3Kg is added) according to Different Crop fertilizer per ton, urea formaldehyde glue is in 1-2 liter: the ratio of 1000-3000 gram: 100-200 gram is rendered in airtight mix and blend still, , continuously stirring more than 10-20 minute after, open still lower valve, open screw slush pump mixing solutions to be pressed and delivered in airtight spiral conveyer, granulated fertilizer surface is sprayed onto equably after multiple shower nozzle.After in first stirring tank, mixed solution is finished, start the preparation of another stirring tank and spray mixed solution, two stirring tanks alternately switch.
Two, the conveying of granulated fertilizer.
Granulated fertilizer after cooling process is transported to the feed end hopper of spiral conveyer through belt conveyor, install air sealer, prevent ambient atmos from entering in handling machinery under hopper.The pellet entered in spiral conveyer mixes under the effect of the flight rotated, sprayed by uniform liquid in the process of advancing, then under air-tight state, enter a gas-solid separator, under separator, an air sealer is installed, ensure that ambient atmos does not enter delivery system.Granulated fertilizer after spraying is packaged into bag after air sealer.
Three, the oxide treatment of the mixture volatilization gas of diallyl disulfide and diallyl trisulfide.
The volatilization gas spraying mixed solution stirring preparation still top enters bottom gas absorption reaction tower together with the volatilization gas on gas-solid separator top under spiral conveyer, organo-peroxide perbenzoic acid circulate soln counter current contact on column plate of getting off with tower top enters absorption tower still after fully reacting, tower bottoms discharges again has been circulation fluid medial launder, through slush pump pressurization Posterior circle to tower top.Served as after in organo-peroxide solution intercycle groove, concentration is reduced to finite concentration, first outer row's part is to waste water storage tank, then in circulation groove, adds fresh organo-peroxide solution.
Four, pumped vacuum systems.The gas with foreign flavor volatilized for preventing flushing liquor is excessive, and system adopts negative-pressure operation (absolute pressure 50KPa), absorbs tower top and is not connect vacuum pump by absorption online tail gas and be evacuated in air and go.
Five, specification of equipment.
Pellet spraying operation unit equipment specifications and models, installation table look-up:
Six, the flow process at pellet spraying operation unit band reference mark.
Dialkylene disulfide mixed solution sprays the technical process at fertilizer band reference mark as shown in Figure 1." unabsorbed gases " shown in Fig. 1 is the air not absorbed process by perbenzoic acid solution.
Case study on implementation:
Case 1, the present invention apply in the disease control test of winter wheat banded sclerotial blight in 2010-2012
Test site: the 2 mu of winter wheat fields (wheat hypochnus morbidity in 2009 is heavier) during Zhu portion of Xu Buqian village, Zheng Shan street, Linshu County and 2 mu of winter wheat fields (wheat hypochnus morbidity in 2009 is lighter) of Zhu Chengshi.Wheatland shape: length and width=111.1m*6m/ mu.Every Mu10Ge community, plot area is 90m
2(6m*15m), arrange 50cm isolation strip between community, isolation strip is long-term cropping not.
For examination material: the mixture of commodity diallyl disulfide and diallyl trisulfide, 45% compound manure (N P and K proportioning is 15%:15%:15%, 50KG/ bag).Wheat breed and mu application rate: Jimai 22, mu application rate 13Kg
Test process: the mixture of commodity diallyl disulfide and diallyl trisulfide arranges 4 horizontal 0g/ha, 750g/ha, 1500g/ha and 2250g/ha, compound manure 750Kg/ha.Use above-mentioned production technique b, produce the fertiliser mixtures with the mixture of different concns diallyl disulfide and diallyl trisulfide.Each process repeats for 3 times.Employing randomized block experiment designs.
The record of wheat hypochnus: adopt S shape to get a little, choose 5 points, every point selection 30 strain wheat, the sickness rate of record banded sclerotial blight.Sickness rate (%)=plant * 100/ (30*5) in spite of illness.Choose tillering phase and jointing stage record.
Table 1: plot test-results during Zhu portion:
Conclusion: due to non-applying pesticides, has serious all the more trend at the contrast i.e. community wheat hypochnus of 0 process; In the community of mixture of using diallyl disulfide and diallyl trisulfide, wheat hypochnus sickness rate is starkly lower than 0 process community, 750g/ha and 1500g/ha two community contrast difference is obvious, can prove thus, along with the increase of the mixture concentration of diallyl disulfide and diallyl trisulfide, the antibacterial and sterilization effect of product is also further obvious.1500g/ha and 2250g/ha two community is more not obvious than difference to wheat hypochnus sickness rate, according to the input-output ratio of crop benefit, the optimum addition of the mixture of selected diallyl disulfide and diallyl trisulfide is 1500g, and the addition upper limit is 2250g/ha.
Table 2: plot test-results when Zhu becomes:
Conclusion: due to non-applying pesticides, has serious all the more trend at the contrast i.e. community wheat hypochnus of 0 process; In the community of mixture of using diallyl disulfide and diallyl trisulfide, wheat hypochnus sickness rate is starkly lower than contrast.The hillslope processes of the mixture fertilizer of diallyl disulfide and diallyl trisulfide is added in three uses, the sickness rate of wheat all has reduction trend. by 750g/ha, 1500g/ha and 2250g/ha tri-community experimental data contrasts, the sickness rate difference of wheat hypochnus is not obvious, can prove thus, in the plot that wheat hypochnus sickness rate is lighter, along with the increase of the mixture concentration of diallyl disulfide and diallyl trisulfide, the antibacterial and sterilization effect difference of product is not obvious.According to the input-output ratio of farm crop benefit, the optimum addition of the mixture of selected diallyl disulfide and diallyl trisulfide is addition 750g/ha, and the addition upper limit is 1500g/ha.
The field test of the mixture control peanut grub of case 2, diallyl disulfide and diallyl trisulfide
One materials and methods
1 experiment place: Xu Buqian village, Zheng Shan street, Linyi City Linshu County, Shandong
2 experimental periods: 2010-2012 peanut in spring
2 four process: the amount of mixture 0g/ha(contrast of diallyl disulfide and diallyl trisulfide), 825g/ha, 1125g/ha, 1425g/ha.Repeat for three times.Random district group, plot area 4m
2(2m*2m).50cm protection row is retained around each community.
Fertilizer is 45% potassium sulfate compound fertilizer (N P and K proportioning is 12%:15%:18%, 50KG/ bag)., consumption 750kg/ha, applies for twice.70% base fertilizer, 30% topdressed in fruiting period applies.
The mixture of diallyl disulfide and diallyl trisulfide and fertilizer are mixed treats test agent.
3 peanut varieties and plantation: ton spends No. one, 12 caves/square metre, 3, every cave.
The prevention effect measuring method of 4 grubs: each community is according to s type random selecting 5 points, and every point selection 4 cave, calculates the grub total amount that each process repeats for three times.
Two experimental results
Table 3: the prevention effect that the mixture of diallyl disulfide and diallyl trisulfide endangers peanut grub
Table 3 shows the effect experimental result of the mixture control Spring Peanut grub harm of diallyl disulfide and diallyl trisulfide between 2010-2012 years.Can be found out by result, along with the increase of the amount of mixture of diallyl disulfide and diallyl trisulfide, the prevention effect of peanut grub be increased.The experiment process of the mixture of 1125g/ha diallyl disulfide and diallyl trisulfide has a significant effect to the harm of grub in peanut cultivation.To the amount of mixture of same diallyl disulfide and diallyl trisulfide, along with the increase of using the time limit, prevention effect also increases, the processing variation of 1425g/ha and the processing variation DeGrain of 1125g/ha.
On experiment basis, select 1125g/ha as the mixture mu consumption of rational diallyl disulfide and diallyl trisulfide.
The mixture prevention effect experiment of case 3, cotton spoting verticillium wilt diallyl disulfide and diallyl trisulfide
One materials and methods
1, place is tested: Cui Jia village, purifying town, Boxing County, Accessories during Binzhou, Shandong Province
2, experimental period: 2010-2012 spring sowing continuous cropping
3, cotton variety: Shandong 05H9
4, test process: the amount of mixture of four diallyl disulfide and diallyl trisulfide, 0g/ha(contrasts), 750g/ha, 1500g/ha, 2250g/ha.Repeat for three times.
5, fertilizer variety: 51% compound potassium sulfate fertilizer (N P and K proportioning is 17%:17%:17%, 50KG/ bag), consumption 750kg/ha, applies for twice.70% base fertilizer, 30% topdresses, and applies at the full-bloom stage of cotton.
6, sample preparation: the mixture of urea ammonium nitrogenous fertilizer and diallyl disulfide and diallyl trisulfide is mixed and made into sample through special process.
7, experimental arrangement: random district group, plot area 20m
2(4m*5m).50cm protection row is retained around each community.Cotton planting density be 4 strains/square metre, mu fertilise 50 kilograms, 70% makees base manure, and 30% topdresses at full-bloom stage applies.
8, prevention effect record: the morbidity strain number recording each process community.Record blight diseased plant number June, record verticillium diseased plant number August.
The mixture control cotton spoting verticillium wilt effect of diallyl disulfide and diallyl trisulfide
Two experimental results
The mixture of table 4, diallyl disulfide and diallyl trisulfide is to the prevention effect of cotton spoting verticillium wilt
As can be seen from Table 4, in the process community of mixture of not using diallyl disulfide and diallyl trisulfide, i.e. control treatment, the morbidity strain number of cotton spoting verticillium wilt increases along with continuous cropping time lengthening.The community of the mixture process of different diallyl disulfide and diallyl trisulfide, along with the increase morbidity strain number of the amount of mixture of diallyl disulfide and diallyl trisulfide reduces, prevention effect increases.In the community of the mixture process of identical diallyl disulfide and diallyl trisulfide, increase along with using year number, prevention effect also increases.
On experiment basis, choose the reasonable volume of 2250g/ha as the mixture of diallyl disulfide and diallyl trisulfide.
Product of the present invention has also done simultaneous test on the crops such as paddy rice, corn, tomato and vegetables, all achieves good effect.
Take a broad view of now both at home and abroad about diallyl disulfide and diallyl trisulfide mixture introduce data, the mixture of current diallyl disulfide and diallyl trisulfide is at medicine, its feeding and aquaculture have achieved ripe good effect, but the mixture of diallyl disulfide and diallyl trisulfide is also little by the application of fertilizer on field crop and vegetables at present, we wish by effort, the mixture of quick acquisition diallyl disulfide and diallyl trisulfide realizes in the large-area application of field crop by adding in fertilizer, agricultural chemicals to reducing peasant drops into, reduce peasant's labor capacity, protection of the environment, realize the harmonious development of modern agriculture and the Nature.
We also consider, the mixture of diallyl disulfide and diallyl trisulfide uses as biological pesticide, drug effect speed is slow, also be difficult to the low-hanging fruit reaching chemical pesticide, it prevents and treats for diseases and pests of agronomic crop the therapeutic potential that meaning is greater than it, so we advise that the present invention is mainly used in the prevention at proportion of crop planting initial stage, the treatment of chemical pesticide to crop pest can not be substituted completely.
It should be understood that for those of ordinary skills, can be improved according to the above description and convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (8)
1. expelling parasite desinsection, a restraining and sterilizing bacteria environment-friendly fertilizer, is neutral or slightly acidic fertilizer, it is characterized in that, the mixture containing diallyl disulfide and diallyl trisulfide;
The weight ratio of diallyl disulfide and diallyl trisulfide is 2.5:1.
2. fertilizer according to claim 1, is characterized in that, the pH value of described fertilizer saturated aqueous solution is 5-7.
3. fertilizer according to claim 1, is characterized in that, described fertilizer has one or more features following: a, composite fertilizer or compound manure; B, slow release fertilizer or release and release control fertilizer; C, organic fertilizer or mineral manure or organic-inorganic complex fertilizer.
4. fertilizer according to claim 1, is characterized in that, the fertilizer efficiency composition of described fertilizer contain in urea, urea ammonium nitrogenous fertilizer, peptide urea, monoammonium phosphate, diammonium phosphate, Repone K and potassium sulfate one or more.
5. the production technique of the fertilizer described in any one of claim 1-4, it is characterized in that, the mixture of diallyl disulfide and diallyl trisulfide and Zulkovsky starch pulvis are mixed with mixture by 1:1.5-2.5 mass ratio, with neutral or slightly acidic fertilizer component mixing, utilize fertilizer to extrude particle device, be produced into granulated fertilizer.
6. the production technique of the fertilizer described in any one of claim 1-4, it is characterized in that, be that the diallyl disulfide of 500-1000 gram: 1 liter and the mixture of diallyl trisulfide and vegetables oil are made into mixing oily liquids by amount ratio according to the disease and pest situation of crop, the granulated fertilizer of the discharge port output of particle device is after overcooling, temperature is down within 40 degrees Celsius, by spouting of liquid pressure pump described mixing oily uniform liquid is injected in fertiliser granulates surface.
7. the using method of the arbitrary described fertilizer of claim 1-4, is characterized in that, executed in the fields by described fertilizer.
8. a kind of purposes of the arbitrary described fertilizer of claim 1-4, is characterized in that, is executed by described fertilizer and is used for prevention and elimination of disease and pests in the fields, and the amount of application of the mixture of described diallyl disulfide and diallyl trisulfide is 50-150 gram/acre.
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| WO2022087022A1 (en) * | 2020-10-20 | 2022-04-28 | University Of Iowa Research Foundation | Methods for improving plant growth and cropyied by using compounds of trisulphide or tetrasulphide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101193555A (en) * | 2005-04-09 | 2008-06-04 | 埃科斯普雷有限公司 | Pesticides and Repellents |
| CN102584423A (en) * | 2012-01-13 | 2012-07-18 | 黑龙江企达农药开发有限公司 | Rice disease preventing and seedling strengthening complex powder and preparation method thereof |
| CN102816026A (en) * | 2012-07-31 | 2012-12-12 | 马鞍山科邦生态肥有限公司 | Fertilizer specially used for winter wheat base fertilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101193555A (en) * | 2005-04-09 | 2008-06-04 | 埃科斯普雷有限公司 | Pesticides and Repellents |
| CN102584423A (en) * | 2012-01-13 | 2012-07-18 | 黑龙江企达农药开发有限公司 | Rice disease preventing and seedling strengthening complex powder and preparation method thereof |
| CN102816026A (en) * | 2012-07-31 | 2012-12-12 | 马鞍山科邦生态肥有限公司 | Fertilizer specially used for winter wheat base fertilizer |
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