CN1029394C - Double-effective micro fertilizer - Google Patents
Double-effective micro fertilizer Download PDFInfo
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- CN1029394C CN1029394C CN91106176A CN91106176A CN1029394C CN 1029394 C CN1029394 C CN 1029394C CN 91106176 A CN91106176 A CN 91106176A CN 91106176 A CN91106176 A CN 91106176A CN 1029394 C CN1029394 C CN 1029394C
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Abstract
The present invention relates to double-effect fertilizing which is fertilizer with pharmacological action. The present invention is composed of a chemical fertilizer part and a pesticide part, wherein the chemical fertilizer part comprises fertilizer which is composed of various elements, various plant growth regulators and complexing agents, surfactant and solvent of the plant growth regulators, and the pesticide part is chrysanthemum ester pesticide. The combination use of the chemical fertilizer and the pesticide in the present invention has the function of promoting plant growth, has double action of killing pests and pathogens and inhibiting viruses, and makes the drug effect of the chemical fertilizer and the pesticide greatly improved.
Description
The present invention relates to a kind of fertilizer with pharmacological action.
Agricultural goes up employed chemical fertilizer at present, agricultural chemicals adheres to two independently systems separately, bring into play its effect separately, both having made is that the plant growth substances that includes trace element, rare earth element, plant growth hormones and multiple chemical fertilizer also mainly is that a kind of chemistry is fertile, only has higher pharmacological action.
In view of above-mentioned weak point of the prior art, the object of the present invention is to provide a kind of can the antiviral chemical fertilizer that can promote plant-growth again of Pesticidal and sterilizing, be commonly called as double-effective micro fertilizer.
The present invention can realize by following measure: double-effective micro fertilizer is a kind of fertilizer with pharmacological action, its chemical fertilizer partly includes urea, potassium primary phosphate, ferrous sulfate, zinc sulfate, copper sulfate, sal epsom, manganous sulfate, nitrocalcite, water glass, boric acid or borax, ammonium molybdate, rose vitriol, Potassium Bromide, potassiumiodide, strontium nitrate, fertilizer and 30 alkanols such as cerous nitrate, α-naa, quinine, plant-growth regulator such as indolylacetic acid or indolebutyric acid and their sequestrant EDTA, citric acid, the tensio-active agent tween-80, the dodecyl sodium alkyl sulfate, lauryl alcohol epoxy ether sodium sulfate, and solvent chloroform, it is characterized in that: also contain the pyrethrin of total amount 1-10% in this double-effective micro fertilizer, the concrete proportioning of various compositions following (weight percent) that it comprised:
Nitrogenous 46% urea 10-40%
95% potassium primary phosphate 5-30%
98% ferrous sulfate 0.05-1%
98% zinc sulfate 0.05-1.5%
95% copper sulfate 0.05-1%
95% manganous sulfate 0.05-1%
95% sal epsom 0.05-1%
95% nitrocalcite 0.05-1%
30-35% water glass 0.05-0.5%
98% boric acid or 95% borax or their mixture 0.5-5%
98% ammonium molybdate 0.001-0.01%
98% rose vitriol 0.005-0.01%
98% Potassium Bromide 0.005-0.01%
98% potassiumiodide 0.005-0.01%
98% strontium nitrate 0.01-0.05%
98% cerous nitrate 0.001-0.05%
81-90%30 alkanol 0.01-0.05%
98% α-naa 0.0025-0.01%
98% quinine 0.001-0.005%
Industrial goods indolylacetic acid 0.001-0.005% or industrial goods indolebutyric acid 0.005-0.01%
98% chloroform 3-10%
Tween-80 3-10%
98% dodecyl sodium alkyl sulfate 0.5-2%
Lauryl alcohol epoxy ether sodium sulfate 0.1-0.5%
98%EDTA2.5-4%98%EDTA and 98% citric acid mixture, its weight percent is respectively 1.5-2% and 0.15-0.25%
Fenvalerate or Deltamethrin or Cypermethrin 1-10%
Remaining part is a water
The optimum proportion of various compositions is as follows:
Nitrogenous 46% urea 24%
95% potassium primary phosphate 6%
98% ferrous sulfate 0.15%
98% zinc sulfate 0.3%
95% copper sulfate 0.5%
95% manganous sulfate 0.1%
95% sal epsom 0.1%
95% nitrocalcite 0.2%
30-35% water glass 0.1%
98% boric acid or 95% borax or their mixture 1.5%
98% ammonium molybdate 0.005%
98% rose vitriol 0.005%
98% Potassium Bromide 0.005%
98% sulfonation potassium 0.005%
98% strontium nitrate 0.01%
98% cerous nitrate 0.002%
81-90%30 alkanol 0.05%
98% α-naa 0.002%
98% quinine 0.0025%
Industrial goods indolylacetic acid 0.001 or industrial goods indolebutyric acid 0.005%
98% chloroform 5%
Tween-80 5%
98% dodecyl sodium alkyl sulfate 1%
Lauryl alcohol epoxy ether sodium sulfate 0.1%
98%EDTA2.5% or 98%EDTA and 98% citric acid mixture, its weight percent is respectively 1.8% and 0.2%
Fenvalerate or Deltamethrin or Cypermethrin 3%
Remaining part is a water
Its preparation process is: 1) with the fertilizer except that urea and potassium primary phosphate in the raw material in accordance with regulations quantity add in the water of Total Water 2%, under agitation condition, add the sequestrant of specified quantity again, with ammoniacal liquor the pH value of mixture is adjusted to 8-8.5.Thing to be mixed all transfers to 7 with glacial acetic acid with the pH value of solution after the dissolving again, the sulfonation potassium that adds specified quantity afterwards, make the liquid fine fodder, 2) under agitation condition, 30 alkanols of specified quantity are added in the chloroform about 50 ℃, add tween-80 after waiting to dissolve again and make it dissolving, 3) the above-mentioned solution that contains chloroform is added in 64% about 80 ℃ the hot water of the 98% remaining water yield, normal-temperature water with remainder also adds in it subsequently, and then adds the dodecyl sodium alkyl sulfate of specified quantity, urea, potassium primary phosphate, the liquid fine fodder that has prepared, α-naa, indolylacetic acid, quinine, lauryl alcohol epoxy ether sodium sulfate.4) under agitation condition, in above-mentioned fertilizer solution, add the agricultural chemicals of specified quantity.
Product of the present invention mainly includes two portions, i.e. promotes growth part and agricultural chemicals part.
Promotes growth mainly includes fertilizer and plant-growth regulator, and wherein fertilizer also includes little fertilizer, rare earth fertilizer except that containing conventional nitrogen, phosphorus potash fertilizer.Multiple elements such as the calcium that they comprised, magnesium, iron, copper, manganese, molybdenum, zinc, boron, iodine and strontium, cerium, cobalt, neodymium, bromine, the deficiency that can replenish plant essential element in the soil.Above-mentioned these elements all occur with the form of salt except that boric acid.As urea, potassium primary phosphate, ferrous sulfate, zinc sulfate, copper sulfate, manganous sulfate, sal epsom, nitrocalcite, water glass, boric acid or borax, molybdic acid, ammonium, rose vitriol, potassiumiodide, strontium nitrate, cerous nitrate, its usage ratio following (by weight percentage):
General consumption 10～40% optimum quantities 24% of urea (nitrogenous 46%)
General consumption 5～30% optimum quantities 6% of potassium primary phosphate (95%)
General consumption 0.05～1% optimum quantity 0.15% of ferrous sulfate (98%)
(98%) general consumption 0.05～1.5% optimum quantity 0.3% of zinc sulfate
(95%) general consumption 0.05%～1% optimum quantity 0.5% of copper sulfate
(95%) general consumption 0.05～1% optimum quantity 0.1% of manganous sulfate
(95%) general consumption 0.05～1% optimum quantity 0.1% of sal epsom
(95%) general consumption 0.05～1% optimum quantity 0.2% of nitrocalcite
General consumption 0.05～0.5% optimum quantity 0.1% of (30～35%) water glass
(98%) boric acid
Or general consumption 0.5～5% optimum quantity 1.5%
(95%) borax
(98%) general consumption 0.001～0.01% optimum quantity 0.005% of ammonium molybdate
(98%) general consumption 0.005～0.01% optimum quantity 0.005% of rose vitriol
(98%) general consumption 0.005～0.01% optimum quantity 0.005% of Potassium Bromide
(98%) general consumption 0.005～0.01% optimum quantity 0.005% of potassiumiodide
(98%) general consumption 0.01～0.05% optimum quantity 0.01% of strontium nitrate
(98%) general consumption 0.001～0.05% optimum quantity 0.002% of cerous nitrate
Also include the plant-growth regulator that can promote that all processes of plant body are carried out in chemical fertilizer part of the present invention, as 30 alkanols, α-naa, quinine, indolylacetic acid or indolebutyric acid.The ratio that their consumption accounts for total amount following (by weight percentage):
General consumption 0.05% optimum quantity 0.05% of 30 alkanols (81～90%)
General consumption 0.002% optimum quantity 0.002% of α-naa (98%)
General consumption 0.0025% optimum quantity 0.0025% of quinine (98%)
General consumption 0.001% optimum quantity 0.001% of indolylacetic acid (industrial goods)
Or
General consumption 0.005～0.01% optimum quantity 0.001% of indolebutyric acid (industrial goods)
Another part composition of product of the present invention is the agricultural chemicals with insecticidal action, and it can be DDV, organophosphorus, the organic amine chlorothalonil pesticide that still uses at present.Preferably adopt lower pyrethrin of toxicity such as Fenvalerate, Deltamethrin, Cypermethrin etc., its usage quantity generally accounts for 1～10%(weight of total amount) 3%(weight preferably).
Also be added with chloroform in the prescription of the present invention, its stronger osmosis can reach the purpose of control plant virus to viral passivation.Chloroform (98%) mainly is as organic solvent in addition, general usual amounts accounts for 3～10(weight of total amount) 5%(weight preferably), for making organism and water in the prescription molten, become easily by the emulsion of plant absorbing, need to add tensio-active agent, as tween-80, dodecyl sodium alkyl sulfate, lauryl alcohol epoxy ether sodium sulfate, and the latter is not only tensio-active agent, but also is the stablizer that makes this emulsion not stratified.The ratio that their consumption accounts for total amount is as follows:
The general consumption 3-10% of tween-80 optimum amount 5%
The general consumption 0.5-2% optimum amount 1% of dodecyl sodium alkyl sulfate (98%)
The general consumption 0.1-0.5% of lauryl alcohol epoxy ether sodium sulfate optimum amount 0.1%
Product of the present invention also is added with sequestrant in preparation process, as EDTA and citric acid.Wherein EDTA can use separately, and the ratio that its usage quantity accounts for total amount is 2.5～4%(weight percent), EDTA also can unite to use and carries out composite chelate and make inner complex more stable with citric acid.With the cheap higher EDTA of citric acid instead of part price, can reduce raw materials cost like this.The ratio that the usage quantity of sequestrant accounts for total amount is as follows: (weight percent)
EDTA(98%) 1.5～2% optimum quantities 1.8%
Citric acid (98%) 0.15～0.2% optimum quantity 0.2%
Part remaining in composition of raw materials is a moisture content.
In prescription, also be added with ammoniacal liquor in addition, the emulsion of preparation can be transferred to certain pH value, so that all raw materials are all dissolved, and then excess of ammonia is neutralized, to reach the required neutrality of plant with an amount of glacial acetic acid with it.
Economic benefits and social benefits fertilising of the present invention, the concise and to the point flow process of its preparation method is as follows:
Preparation liquid fine fodder
Preparation liquid plant growth regulator preparation chemical fertilizer adds Pesticidal products
Its concrete preparation process:
1. fertilizer except that urea and potassium primary phosphate such as ferrous sulfate, copper sulfate, sal epsom, manganous sulfate, zinc sulfate, rose vitriol, water glass, nitrocalcite, strontium nitrate, cerous nitrate, ammonium nitrate, boric acid or borax quantity in accordance with regulations in the raw material being added to is in the water of Total Water 2%, the sequestrant that adds specified quantity under agitation condition again transfers to 8～8.5% with ammoniacal liquor with the pH value of mixture.All molten when being transparent blue dark solution when insolubles in the mixture, with glacial acetic acid the pH value of solution is transferred to 7 again.It is green that solution also gradually becomes, and adds the sulfonation potassium of specified quantity at last, can obtain the liquid fine fodder and stay standby.
2. 30 alkanols of specified quantity are added in the chloroform about 50 ℃, under agitation condition, make it dissolving, can obtain brown transparent liquid after adding the tween-80 stirring and dissolving then, be plant-growth regulator.
3. above-mentioned plant-growth regulator is added in about 80 ℃ the hot water that accounts for 98% remaining Total Water 64%, the normal-temperature water that subsequently another part is accounted for 98% remaining Total Water 36% also adds makes it cooling in it, and then adds dodecyl fat sodium sulfate, urea, phosphoric acid ground dipotassium, the liquid fine fodder that has prepared, α-naa, indolylacetic acid or the indolebutyric acid of specified quantity, quinine, the lauryl alcohol epoxy ether sodium sulfate of specified quantity.
4. the agricultural chemicals that under agitation condition, in above-mentioned fertilizer solution, adds specified quantity.
Embodiment 1
Get 0.15 part ferrous sulfate (98%), 0.15 the copper sulfate (95%) of part, 0.1 the sal epsom (95%) of part, 0.1 the manganous sulfate (95%) of part, 0.3 the zinc sulfate (98%) of part, 0.005 the rose vitriol (98%) of part, 0.1 the nitrocalcite (95%) of part, 0.01 part strontium nitrate (98%), 0.002 the cerous nitrate (98%) of part, 0.005 part ammonium molybdate (98%), 0.1 the water glass (30-35%) of part, 0.005 the Potassium Bromide (98%) of part, 0.5 boric acid (98%) of part and 0.5 part borax (95%) are added in the container of the water that fills 2 parts 70 ℃, add 1.8 parts of EDTA and 0.2 part of citric acid sequestrant then, the temperature of keeping reactant under good agitation condition is at 40 ℃, and with ammoniacal liquor the mixture pH value is transferred to PH=8.5, through throw out in about 2-4 hour container all dissolving and outward appearance by the green liquid that becomes black transparent.Add an amount of glacial acetic acid then in this solution, the pH value of solution is transferred to 7, become green transparent liquid through 2 hours solution by black, the potassiumiodide (98%) that adds 0.005 part at last is the liquid fine fodder of getting ready.
Again 0.05 part industrial goods 30 alkanols (81%) are added in the container that fills 50 ℃ 5 parts chloroforms (98%), under good agitation condition, make it dissolving, and then add 5 parts of tween-80s (98%) and continue to stir to make it to dissolve and to obtain pale brown look transparent liquid, it is added in the container of 80 ℃ of hot water that fill the 64% remaining water yield, normal-temperature water with remainder also adds in it subsequently, and then add 1 part of dodecyl sodium alkyl sulfate (98%), 24 parts of urea (nitrogenous 46%), 6 parts of potassium primary phosphates (95%), the liquid fine fodder that has prepared, 0.002 part α-naa (98%), 0.001 part indolylacetic acid (industrial goods), 0.0025 part quinine (98%), 0.1 part lauryl alcohol epoxy ether sodium sulfate stirs, add 10 parts of Fenvalerates (crystal) in the last above-mentioned solution, can obtain the solution finished product of fluorescent green after stirring.
Embodiment 2
Get 10 parts of urea (nitrogenous 46%), 30 parts of potassium primary phosphates (95%), 0.05 part ferrous sulfate (98%), 0.05 the zinc sulfate (98%) of part, 1 part copper sulfate (95%), 1 part manganous sulfate (95%), 0.05 the sal epsom (95%) of part, 1 part nitrocalcite (95%), 0.05 the Calucium Silicate powder of part, 5 parts borax (95%), 0.01 part ammonium molybdate (98%), 0.005 the rose vitriol (98%) of part, 0.005 the Potassium Bromide (98%) of part, 0.01 the potassiumiodide (98%) of part, 0.01 the strontium nitrate (98%) of part, 0.05 the cerous nitrate (98%) of part, 0.05 30 alkanols (81-90%) of part, 0.0025 the α-naa (98%) of part, 0.001 quinine (98%), 0.01 the indolebutyric acid (industrial goods) of part, 10 parts chloroform (98%), 3 parts tween-80 (98%), 0.5 the dodecyl sodium alkyl sulfate (98%) of part, 0.5 the lauryl alcohol epoxy ether sodium sulfate (98%) of part, 2.5 part EDTA(98%), 1 part Deltamethrin (70%) and 35 parts of water, the operation that repeats example 1 can get the solution finished product of fluorescent green.
Embodiment 3
Get 40 parts of urea (nitrogenous 46%), 5 parts of potassium primary phosphates (95%), 1 part ferrous sulfate (98%), 1.5 the zinc sulfate (98%) of part, 0.05 the copper sulfate (95%) of part, 0.05 the manganous sulfate (95%) of part, 1 part sal epsom (95%), 0.05 the boric acid (98%) of part, 0.001 the ammonium molybdate (98%) of part, 0.01 the rose vitriol (98%) of part, 0.01 the Potassium Bromide (98%) of part, 0.005 the potassiumiodide (98%) of part, 0.05 the strontium nitrate (98%) of part, 0.001 the cerous nitrate (98%) of part, 0.01 30 alkanols (81～90%) of part, 0.01 the α-naa (98%) of part, 0.005 the quinine of part, 0.005 the indolylacetic acid (industrial goods) of part, 3 parts chloroform (98%), 10 parts tween-80 (98%), 2 parts dodecyl sodium alkyl sulfate (98%), 0.1 the lauryl alcohol epoxy ether sodium sulfate (98%) of part, 4 parts EDTA(98%), 3 parts Cypermethrin (75%) and 29 parts of water, the operation that repeats example 1 can obtain the solution of fluorescent green.
The present invention has following advantage compared to existing technology:
1. product of the present invention also has the dual function of kill pests, germ and inhibition virus except that having chemical fertilizer, plant growth regulating function.Especially agricultural chemicals and chemical fertilizer are lumped together use, both can gain mutually, make the effect of chemical fertilizer and agricultural chemicals that raising greatly all be arranged.
2. product application process of the present invention is easy, cost is low, can spray, irritate, soak seed.
3. product of the present invention can effectively be prevented and treated the infection of mosaic virus, ferm-leaf poison, streak virus of the early stage eqpidemic disease of tomato, middle and advanced stage such as alignment, and to grind short pink blossom leaf disease control rate be 82.7～95.3%, the floral leaf diseased plant that the red mutual Er Teer kind in this locality has been infected is handled and grew young leaves in back 15 days and no longer fall ill, average volume increase 17%, cecospora spot and ferm-leaf control rate are reached 100%, average volume increase 35.8%, to cucumber leaf disease control rate is 85～95%, and stimulation ratio is 24.8%; Improve herbage dry weight, plant height, leaf area and water content and be drought resistance agent preferably, prevented and treated maculopathy preferably; Disease index to tobacco mosaic virus (TMV)s such as Japan reduces by 31～34%, improves 1～2 grade of the roasting level of tobacco leaf, improves output 34.5～39.3%; Reduce soft rot of Chinese cabbage and send out rate 6.3%; The yellow strong sick protection effect of wheat is reached 20%; Virus to take-all, defoliation of fruit trees and leaf spot, downy mildew of garpe and radish, green pepper, celery, spinach has also all showed good prevention effect, use this double-effective micro fertilizer and can make food crop volume increase 5～10%, cash crop volume increase 10～15%, vegetables volume increase 16～35%, and can pluck ahead of time and prolong and pluck 3～7 days, fruit tree volume increase 10～20% can be made, aphid, acarid and various larva can be killed.
Annotate: umber used among the embodiment is parts by weight.
Claims (3)
1, a kind of liquid fertilizer is characterized in that: it is made up of following composition (weight percent):
Nitrogenous 46% urea 10-40%
95% potassium primary phosphate 5-30%
98% ferrous sulfate 0.05-1%
98% zinc sulfate 0.05-1.5%
95% copper sulfate 0.05%-1%
95% manganous sulfate 0.05-1%
95% sal epsom 0.05-1%
95% nitrocalcite 0.05%-1%
30-35% water glass 0.05-0.5%
98% boric acid or 95% borax or their mixture 0.5-5%
98% ammonium molybdate 0.001-0.01%
98% rose vitriol 0.005-0.01%
98% Potassium Bromide 0.005-0.01%
98% potassiumiodide 0.005-0.01%
98% strontium nitrate 0.01-0.05%
98% cerous nitrate 0.001-0.05%
81-90%30 alkanol 0.01-0.05%
98% α-naa 0.0025-0.01%
98% quinine 0.001-0.005%
Industrial goods indolylacetic acid 0.001-0.005% or industrial goods indolebutyric acid 0.005-0.01%
98% chloroform 3-10%
Tween-80 3-10%
98% dodecyl sodium alkyl sulfate 0.5-2%
Lauryl alcohol epoxy ether sodium sulfate 0.1-0.5%
98%EDTA 2.5-4% or 98%EDTA and 98% citric acid mixture, its weight percent is respectively 1.5-2% and 0.15%-0.25%
Fenvalerate or Deltamethrin or Cypermethrin 1-10%
Remaining part is a water.
2, liquid fertilizer according to claim 1 is characterized in that: it is made up of following composition (weight percent):
Nitrogenous 46% urea 24%
95% potassium primary phosphate 6%
98% ferrous sulfate 0.15%
98% zinc sulfate 0.3%
95% copper sulfate 0.5%
95% manganous sulfate 0.1%
95% sal epsom 0.1%
95% nitrocalcite 0.1%
30-35% water glass 0.1%
98% boric acid or 95% borax or their mixture 1.5%
98% ammonium molybdate 0.005%
98% rose vitriol 0.005%
98% Potassium Bromide 0.005%
98% potassiumiodide 0.005%
98% strontium nitrate 0.01%
98% cerous nitrate 0.002%
81-90%30 alkanol 0.05%
98% α-naa 0.002%
98% quinine 0.0025%
Industrial goods indolylacetic acid 0.001% or industrial goods indolebutyric acid 0.005%
98% chloroform 5%
Tween-80 5%
98% dodecyl sodium alkyl sulfate 1%
Lauryl alcohol epoxy ether sodium sulfate 0.1%
98%EDTA 2.5% or 98%EDTA and 98% citric acid
Mixture, its weight percent is respectively 1.8% and 0.2%
Fenvalerate or Deltamethrin or Cypermethrin 3%
Remaining part is a water
3, the preparation method of liquid fertilizer according to claim 1 and 2, it is characterized in that: 1) with ferrous sulfate, manganous sulfate, copper sulfate, sal epsom, manganous sulfate, zinc sulfate, rose vitriol, water glass, nitrocalcite, strontium nitrate, cerous nitrate, ammonium molybdate, boric acid or borax, join in the water of 2% Total Water, the mixture that under agitation condition, adds EDTA or it and citric acid again, with ammoniacal liquor the pH value of mixture is transferred to 8-8.5, thing to be mixed adds potassiumiodide after all with glacial acetic acid the pH value of solution being transferred to 7 again after the dissolving, make the liquid fine fodder, 2) under agitation condition, 30 alkanols are added in 50 ℃ of chloroforms, add tween-80 after waiting to dissolve again and make it dissolving, 3) the above-mentioned solution that contains chloroform is added in 80 ℃ of water of 62.7 2% Total Waters, normal-temperature water with remainder also adds in it subsequently, and then adding dodecyl sodium alkyl sulfate, urea, potassium primary phosphate, the liquid fine fodder that has prepared, α-naa, indolylacetic acid, quinine, lauryl alcohol epoxy ether sodium sulfate, 4) under agitation condition, in above-mentioned fertilizer solution, add Fenvalerate or Deltamethrin or Cypermethrin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91106176A CN1029394C (en) | 1991-07-15 | 1991-07-15 | Double-effective micro fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91106176A CN1029394C (en) | 1991-07-15 | 1991-07-15 | Double-effective micro fertilizer |
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| Publication Number | Publication Date |
|---|---|
| CN1068562A CN1068562A (en) | 1993-02-03 |
| CN1029394C true CN1029394C (en) | 1995-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91106176A Expired - Fee Related CN1029394C (en) | 1991-07-15 | 1991-07-15 | Double-effective micro fertilizer |
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| CN (1) | CN1029394C (en) |
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| CN111792962A (en) * | 2020-07-15 | 2020-10-20 | 江西普瑞丰生态科技有限公司 | Iron fertilizer for improving soil property and preparation and use methods thereof |
| CN115997786B (en) * | 2023-02-07 | 2024-05-07 | 江苏省有色金属华东地质勘查局地球化学勘查与海洋地质调查研究院 | Growth regulator for improving strontium content of blueberry fruits |
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1991
- 1991-07-15 CN CN91106176A patent/CN1029394C/en not_active Expired - Fee Related
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