CN1122319A - Active nutrient liquid fertilizer and its preparing method - Google Patents
Active nutrient liquid fertilizer and its preparing method Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
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Abstract
The active liquid fertilizer is produced with organic fulvic acid, N, P, K, B and Mo in given contents, inorganic disperser and citric acid as main components and through activation and extraction. It has high nutrient content and excellent water solubility, can be mixed for use with various insecticide, germicide and herbicide with a pH value of 3-10, and produces no flocculent precipitate when diluted with hard water. It is suitable for spraying various crops to enriching their nutrient.
Description
The present invention relates to a kind of liquid fertilizer, particularly a kind of active liquid fertilizer that is rich in the lower molecular weight xanthohumic acid.
Perfect along with progress of science and technology and agricultural production conditions, new fertilizer variety and quantity constantly increase.From world wide, the development of fertilizer just develops towards the direction of efficient compoundization, biological activityization, simple nuisancelessization at present with exploitation.Facts have proved that leaf dressing can make nutritive substance enter in the body from blade, participate in metabolism and the organic building-up process of crop directly.No matter on speed, effect relatively, all the effect than soil application fast, be eager to excel, and use foliage fertilizer and can efficiently utilize fertilizer, save fertilizer amount.Therefore in recent years, the development of foliage fertilizer and produce flourishly, quantity is more and more, uses more and more wider.
Present foliage fertilizer mostly is the complex class liquid fertilizer, and composition is comparatively complicated, has both contained the macroelement just like nitrogen phosphorus potassium, also has middle amount, trace element to add, and can also add a certain amount of sequestrant, tensio-active agent or carrier.Humic acids then is wherein to use more a kind of carrier.
Find that after deliberation humic acids has the phenol functional gene, easily is oxidized to quinone, quinone easily is reduced into phenol again.The intravital oxidation-reduction potential of plant has been regulated in the mutual conversion of phenol and quinone, thereby has strengthened biological respiration.Respiration influences the intravital assimilation dissimilation of plant again, thereby makes plant obtain more energy, is stored among the ATP.Competent energy has promoted the growth of plant, the absorption of synthetic and root system.Simultaneously humic acids still is a kind of good complexing agent, can complexing and exchange metal ion, promote photosynthesis, improve the sprouting of root system, and then improve the receptivity of nutrient and moisture content, and reduce the transpiration of moisture, improve degeneration-resistant (cold-resistant, drought resisting, alkali resistant) effect of crop.
But simultaneously because the above-mentioned special construction of humic acids, make again humic acids as easy as rolling off a log with water in calcium, magnesium plasma have an effect and generate flocks.Therefore, for not influencing the fertilizer of fertilizer, generally containing the humic acids liquid fertilizer all needs to use deionized water to dissolve and dilute, and because acid-basicity can not mix use with other chemical fertilizer, agricultural chemicals.This just not the concrete use operation of exempt from customs examination brought very big inconvenience.
As disclosed a kind of trace element liquid fertilizer among the CN1064670A, including complexing agent and be humic acids, trace element, stablizer is compositions such as urea, matrix thing, extension agent and plant-growth regulator, its used each component is just mixed simply in proportion, the nutrient content of liquid fertilizer is lower, does not solve humic acids and with the hard water dilution sedimentary problem takes place at once.
Studies show that further the palm fibre of the more middle and high molecular weight of low-molecular-weight xanthohumic acid, Ulmic acids all have more superior effect at the aspects such as pungency that perviousness, stability, solvability reach crop.Therefore in the open CN1083461A of Chinese patent, proposed a kind of based on trace element zinc, manganese, iron, boron, with the liquid fertilizer of lower molecular weight xanthohumic acid as carrier.This liquid fertilizer has improved crop and has absorbed the ability of nutrient and quickened nutrient running and substance metabolism in vivo, has reached the purpose that increases output and improve quality of agricultural product.But the lower molecular weight xanthohumic acid extracts by nitric acid and perchloric acid oxidation's weathered coal in this liquid fertilizer, has a large amount of obnoxious flavoures to discharge or emptying in the extraction process, has polluted environment; The xanthohumic acid content that extracts with aforesaid method is lower simultaneously, only has 2.5～3.5%.
Usually, the macroelement nitrogen phosphorus potassium in the liquid fertilizer all is to obtain by direct adding azophoska.Provided a kind of novel method of utilizing phosphoric acid and potassium hydroxide reaction to produce phosphorus potash fertilizer in CN1023475C, the solution that obtains after this method reaction is neutral, again with the operation of acid-alkali accommodation pH value, also makes raw material and product more simple after having saved.But the reaction of aforesaid method is too violent, although reaction is to carry out under solution state, the exothermic phenomenon of boiling of the spray in the reaction process is still very serious, and technological operation is difficulty relatively.
Work out and a kind ofly can and not produce flocks, can mix use arbitrarily with chemical fertilizer, the agricultural chemicals of acid-basicity with ortho-water dilution, the nutrient content height, the liquid fertilizer of high-efficiency activatedization is the most basic purpose of the present invention.
The present invention also aims to provide new xanthohumic acid extracting method in a kind of liquid fertilizer preparation, utilize the xanthohumic acid extraction yield height of this method, unharmful substance produces in the leaching process.
The reaction of seeking out a kind of new gentleness also is one of purpose of the present invention to replace phosphoric acid and potassium hydroxide prepared in reaction phosphorus potash fertilizer.
In liquid fertilizer of the present invention, except that xanthohumic acid, azophoska and trace element that general liquid fertilizer contained, activator, inorganic dispersant and citric acid have also been added especially.The content of its each main ingredient (weight percent) is respectively: xanthohumic acid 5～10%; Azophoska 22～38%, wherein active constituent content 14～22%; Trace element 19～30%; Activator 1～1.5%; Inorganic dispersant 1～3%; Citric acid 3～7%.
Xanthohumic acid is compared with traditional liquid fertilizer as the organic composition of product of the present invention, and its consumption has had bigger increase, has reached 5～10%.The raising of organic content makes product nutrient content height of the present invention, effect of increasing production obvious.The effect of xanthohumic acid in product mainly shows: xanthohumic acid is the good organic source of manure, has drought resisting, cold-resistant, water conservation, the fertile function of guarantor, can provide plant nutrition again simultaneously; Xanthohumic acid still is a kind of stimulant of medium tenacity, and growth and development of plant is had tangible stimulation promoter action; Xanthohumic acid also is a kind of good complexing agent, have with the acidic groups of metal ion exchanged and complexing because of, thereby promote the synthetic of the sprouting of root system and growth xitix; Xanthohumic acid is again a kind of good sterilant, and crop pest is had the obvious suppression effect.
Macroelement nitrogen phosphorus potassium among the present invention mainly is to account for the urea, 6～10% phosphoric acid of liquid fertilizer gross weight 12～20% and 4～8% salt of wormwood or Repone K obtains by adding, and its effective constituent is than being N: P
2O
5: K
2O=1: 0.5～1: 0.25～0.75.Wherein urea has dual-use function, and at first it is the supplier of nitrogen, and secondly it is again the stablizer of xanthohumic acid, can prevent that crystalline produces in the liquid fertilizer.Utilizing potassium hydroxide and phosphatase reaction to produce potassium hydrogen phosphate and obtain phosphorus potash fertilizer simultaneously is the scheme that proposes in the background technology, however potassium hydroxide cost an arm and a leg, have corrodibility, above-mentioned reaction simultaneously is too violent, and the splash phenomenon is arranged.The present invention finds, participates in reaction with salt of wormwood or Repone K instead of hydrogen potassium oxide, and the product that obtains is mainly potassium primary phosphate, and a certain amount of potassium hydrogen phosphate.Although desirable not as the potassium hydroxide reaction,, operate safer because this reaction process than potassium hydroxide reaction temperature and De Duo, therefore, is reacted control easily from the product that principle obtains.
Aspect the interpolation of trace element, the present invention adds multiple trace element with lumping together, but at the characteristics of liquid fertilizer, has special emphasis ground mainly to add element boron and molybdenum.Particularly, 18～25% borax and 1～5% ammonium molybdate in product of the present invention, have been added.Because nitrogen element content is higher in the product of the present invention, thereby the addition element molybdenum can quicken nitrogen metabolism, prevents that the gathering of nitrogen in the crop from producing nitric nitrogen.
As a basic feature of the present invention, in product of the present invention, added the activator that accounts for liquid fertilizer gross weight 1～5%.So-called activator is meant and can activates organic material, comes down to a kind of oxygenant.Its mechanism is the oxygenizement by oxygenant, is neutral small molecules organic matter with macromolecular organic matter transformation, thereby strengthens its biological activity and complexing.General humic acids oxygenant has HNO at present
3, KMnO
4, Cl
2, K
2Cr
2O
7Deng, but HNO
3Oxidisability is too strong, and pollution is arranged, and is not easy to operate; KMnO
4, Cl
2, K
2Cr
2O
7Deng all certain pollution, simultaneous oxidation effect being arranged is not fine.Find at last when using superoxide such as H
2O
2, K
2O
2, Na
2O
2When making activator, not chloride and heavy metal harmful element in the product not only, no air and pollution of waterhead, and activation effect is splendid, the functional group quality and quantity of the xanthohumic acid after oxide treatment all increases substantially, and activity strengthens greatly, and the physiological stimulation effect is stronger.
The adding of inorganic dispersant is another essential characteristic of the present invention.Inorganic dispersant of the present invention can be one or more in trisodium phosphate, tripoly phosphate sodium STPP or the Sodium hexametaphosphate 99, especially, when selecting Sodium hexametaphosphate 99, has obtained best effect.
Xanthohumic acid is a kind of colloidal material that is similar to; its solution property is relatively poor; select Sodium hexametaphosphate 99 can disperse xanthohumic acid and Xanthohumate (the particularly calcium of xanthohumic acid, magnesium salts) to form layer protecting film strongly on its surface as dispersion agent; make its molecular weight keep less; can be owing to the big and intermolecular gathering of concentration; thereby keep good solution property, unlikely reduction commodity of products.Sodium hexametaphosphate 99 can also substitute materials such as washing powder, tween as tensio-active agent and wetting agent, has good sticking power and ductility to guarantee liquid fertilizer, can evenly and fully be attached on the blade surface.Sodium hexametaphosphate 99 still is a good phosphorus source, to guarantee the supply of crop phosphorus.
Yet the topmost effect of Sodium hexametaphosphate 99 is to prevent the generation flocks that reacts of hard water when dilution calcium, magnesium ion and xanthohumic acid with citric acid.Because the complex performance of xanthohumic acid, very easily with water in Ca, Mg ion complexation and produce precipitation, thereby influence the activity of xanthohumic acid.Sodium hexametaphosphate 99 is a kind of strong complexing agent; can distinguish complexing SODLUM FULVATE and Ca, Mg, Fe, Zn plasma; it and citric acid prevent that the roughly mechanism of sedimentary generation from being calcium, the magnesium salts that citric acid and Ca, Mg plasma reaction generate citric acid; Sodium hexametaphosphate 99 forms protective membrane on the lattice of its salt simultaneously; reduce the gravitation between lattice; stop growing up of lattice, prevent sedimentary generation together.
Citric acid generates the sedimentary effect except that having the reaction of the xanthohumic acid of prevention and hard water, and still a high carbon source organism is the good medium of plant carbon nutrition.But use fortification of plants carbon nutrition behind the citric acid, regulate crop C/N ratio, help growth and development of plants and metabolism.The surrogate similar to the citric acid performance is more, and as tartrate, oxysuccinic acid, oxalic acid or the like, but especially the effect of citric acid is best.The add-on of citric acid is 3～7% among the present invention.
Except that including above-mentioned each material, can also add an amount of plant-growth regulator in the liquid fertilizer of the present invention as reinforcer.The present invention has selected α-naphthylacetic acid or its sodium salt for use.α-naphthylacetic acid and sodium salt thereof can stimulate growing of crop consumingly, to the volume increase of crop with improve crop quality obvious effects is arranged.Its addition is 1000～3000ppm.If the reinforcer excessive concentration can suppress the growth of crop on the contrary.
The concrete preparation method of aforesaid liquid fertilizer is: at first under 70～80 ℃ of temperature condition activator is joined in the ready xanthohumic acid solution lentamente, do not stop to stir 0.5～2 hour, add urea again after treating to cool off slightly, stir and make it abundant dissolving, obtain the pH value and be about 8～9 solution A.
Secondly in the aqueous solution of prepared phosphoric acid, add salt of wormwood or Repone K lentamente, and constantly stir, after question response is finished, do not stopping to add inorganic dispersant, ammonium molybdate, borax and citric acid under the agitation condition in order successively, controlled temperature kept 1～1.5 hour down at 50～60 ℃, obtain solution B after the dissolving fully, the pH value of solution B is about about 5.
At last solution B is joined in the solution A, too high or too low for preventing the local pH value, mixing process should be finished under agitation condition.The pH of mixed value that obtains is about 6～7.
As required, can also add reinforcer in above-mentioned mixed solution, concrete grammar is: reinforcer is joined in the above-mentioned mixed solution after with 10～15 times 95% dissolve with ethanol solution.
In the preparation process of above-mentioned solution B, order of addition(of ingredients) is the operation of a key, adopt the theoretical foundation of described order of addition(of ingredients) to be: phosphoric acid and salt of wormwood or Repone K reaction response waste heat can be utilized inorganic dispersant and the ammonium molybdate that dissolving adds subsequently, and the temperature of system descends to some extent simultaneously.Because borax can generate the metaboric acid volatilization more than 110 ℃, both poisonous, also cause the loss of boron, therefore the addition sequence with boron comes the back, simultaneously, the citric acid that adds is accelerated the solid phase-liquid-phase conversion in the dissolution of crystals process, has quickened the crystalline dissolution rate, has also further suppressed the loss of boron.
A kind of extracting method of new xanthohumic acid has also been proposed in the present invention, specifically be to be ground into 80 purpose weathered coals and hydrogen formula strong acidic ion resin mixed by 1: 4～5, the deionized water that adds 1.8～2 times, intermittently stir or vibrated 2～2.5 hours after quiescent setting 48 hours, collect supernatant liquid, the concentration that adds 2～3% (V/V) is 25% ammonia soln, falls after centrifugal or static to remove post precipitation in 48 hours and obtain the xanthohumic acid precipitation.
Because the solution that obtains with resin method extraction xanthohumic acid is thicker, mobile poor (this moment, the pH value about 2.5) can't dissolve elements such as N, K, B, Mo with this solution.Add NH
3H
2Behind the O, pH value of solution reaches about 10.0, and this moment, solution was thinning, was convenient to other substance dissolves, and the residue in the extraction can be by centrifugal rejecting, and in addition, ammonification also can activate xanthohumic acid, increases the nitrogen content in the liquid fertilizer.
Extracting behind the xanthohumic acid exhausted resin can be with following method regeneration: add deionized water wash in the resin, washings gives over to extraction next time xanthohumic acid solution for standby.The resin of wash clean is washed till about pH4～5 with deionized water with 5%HCl solution soaking 1～2 hour, drains to can be used as lixiviate next time behind the water and use.
Extract the residue that obtains behind the xanthohumic acid and mainly be made up of coal gangue, cinder, soil, humic acids residue etc., for reaching environmental requirement, residue can be handled in the mode of solid organic fertilizer.
The product that obtains through above-mentioned technology is a chocolate liquid, proportion 1.3～1.4, pH value 6～7, organic (xanthohumic acid) content 5～10%.This product is soluble in water, stable performance, no solidity thing and insoluble precipitate.Through acute toxicity test in mice, oral administration LD
50=9.28g/kg illustrates that this product toxicity is very little.
Product of the present invention is mainly used in native face and the foliage-spray of various farm crop, fruit tree and vegetables, and suitable crop has wheat, corn, soybean, cotton, apple, grape, Chinese cabbage, Hui Zibai, cucumber, watermelon etc.Field experiment result shows that product performance of the present invention are stable, and production-increasing function is obvious, generally can reach 5～40%.Using product of the present invention can strengthen crop alimentary in the short period of time at the utmost point, regulates physiological process, and useful nutritive element is converted into amino acid, prevents nutritional deficiency symptom, strengthens the activity of intensity of photosynthesis and enzyme.The general thick and plant height of leaf look, leaf that can obviously change crop on the 3-7th that uses.Preliminary field test shows that product of the present invention also has good inhibitory effect to various fungies and bacterial disease (oidium, root rot, Powdery Mildew etc.).Spray if product of the present invention is used for native face, can improve that ridge is thin, the organic matter of chiltern and alkaline land soil, chelating or decompose toxic heavy metal in the soil activates beneficial microorganism, improves soil physico-chemical property, and culture fertility replenishes soil supplying nutrient capability.
The present invention compares the superiority that is had and mainly shows the following aspects with background technology:
1, product nutrient content height of the present invention is used conveniently, can and pH3～10 between any sterilant, sterilant, herbicide mixture; Also have significantly drought resisting and cold-resistant, prevent and cure diseases, improve nitrogen metabolism, stimulate root growth and effects such as cell fission, flower and fruit protecting, instant effect, effect of increasing production are obvious.
2, the inorganic dispersant that can absorb with plant substitutes organic dispersing agent, does not have any environmental pollution, is diluted in no tangible flocks in 4～5 hours with hard water.
3, in the reparation technology of product,, make the reparation technology gentleness of phosphorus potash fertilizer by changing popular response and raw material, avoided violent heat release to spray the phenomenon of boiling, and utilized residual heat of reaction, thereby increased solvability, the dissolution rate that adds material subsequently, made reacted product not have crystal and separate out.Simultaneously also reduce energy consumption, helped technological operation.
4, by changing order of addition(of ingredients), suppressed the loss of boron in the heat-processed.
5, the activation of xanthohumic acid and leaching process nontoxic, no air of employing and pollution of waterhead, easily separated and regenerated new technology, the active and purity height of gained intermediates, no chlorine and heavy metal harmful element have reduced production cost simultaneously, have simplified technological operation.
Fig. 1 is technological process of production figure of the present invention.
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail:
1, the extraction of xanthohumic acid and preparation:
Accurately take by weighing through impurity elimination, the hydrogen formula strong acidic ion resin (pH=4～5) of 100 kilograms of 80 order weathered coals after pulverizing, sieving and 400 kilograms, put into 1500 liters extraction vessel, add 800 kilograms of deionized waters, intermittently stir about is 2 hours, after solution occurs as the brown thick soy sauce, material in the extraction vessel is all transferred in the settling bowl, quiescent setting 48 hours, emitting the solution that top is the thick soy sauce shape is xanthohumic acid solution.
Accurately take by weighing 500 kilograms of xanthohumic acid solution, put into settling bowl, add 12.5 liters ammoniacal liquor (25%), treat that the thinning back of solution is centrifugal, remove the earth precipitation.Solution is placed standby.
2, regeneration of resin:
In the container of exhausted resin transfer to 1500 liter, add 800 kilograms of deionized waters, stir, quiescent settling is emitted top solution and is given over to and extract the xanthohumic acid mother liquor next time.With water blast gun or wash bed and wash to resin totally fully through tap water, use deionized water rinsing again 2～3 times, the hydrochloric acid soln immersion with 5% 1～2 hour, slowly drain water, repeat once again, be washed till about pH=4～5 with deionized water, draining behind the water is that lixiviate is next time used.
3, the activation of xanthohumic acid and add nitrogen:
The xanthohumic acid solution of step (1) preparation is placed 1000 liters glassed steel reaction vessels, under agitation condition, every the H of 20 kilograms of addings in 20 minutes
2O
2, controlled temperature heated 1 hour at 70～80 ℃, and the cooling back adds 330 kilograms urea (nitrogenous 45～46%) slightly, stirs to make it to dissolve fully.The pH value of solution value that obtains is about 8-9.
4, batching-(neutralisation):
Take by weighing 180 kilograms of 85% phosphoric acid solutions, put into 1000 liters reactor, add 200 kilograms in water.Take by weighing 130 kilograms industrial magnesium phosphate, slowly add in the reactor, stir while adding, prevent to react violent solution and overflow.After question response is finished, slowly add 25 kilograms of Sodium hexametaphosphate 99s, 70 kilograms of ammonium molybdates, fully add 400 kilograms of industrial boraxs, 130 kilograms of citric acids again after the dissolving, controlled temperature is about 50～60 ℃, and stirring heating 1 hour makes it to dissolve fully.This moment, the pH value of solution value was about about 5.
Under abundant agitation condition, the solution of step (4) is joined thorough mixing in the solution of step (3), too high or too low to prevent the local pH value.Mixed pH value of solution value is about about 6～7.
(5) batching two:
Take by weighing 20 kilograms of industrial 95% ethanol, add 2 kilograms reinforcer, stir and make it dissolving, join in the solution of step (4), packing is dispatched from the factory.
Comparative example 1:
Under field management the same terms, respectively with product of the present invention, spray the chamber, the foliage-spray simultaneous test is carried out to cotton in the chamber, blade face, using method is that (a flower bud phase) beginning sprays for the first time after cotton buddings, and later every limit sprayed once in 15 days, sprayed in breeding time 4 times.The results are shown in Table 1:
| Handle | Plant height (cm) | Fruit branch number (individual) | Individual plant bell number (G) | Single bell unginned cotton heavy (G) | Average yield per mu (G) | Volume increase | |
| Definitely | Relatively | ||||||
| 10000 times of 10000 times of the present invention of 900 times of the present invention of 600 times of the present invention of CK the present invention | ?80.0 ?81.0 ?81.2 ?80.5 ?80.8 | ??11.5 ??12.0 ??11.8 ??11.6 ??11.8 | ?????12.0 ?????13.9 ?????13.4 ?????13.6 ?????12.4 | ?????4.20 ?????4.28 ?????4.25 ?????4.21 ?????4.22 | ????80.7 ????99.7 ????107.4 ????94.7 ????95.2 | ?19.0 ?26.7 ?14.0 ?14.5 | ??23.5 ??33.0 ??17.3 ??18.0 |
Comparative example 2:
Use product economy performance analysis of the present invention, see Table 2:
| Crop species | Mu units increased in production (kg) | Unit price (unit/kg) | Mu increase benefit (unit) | Drug cost (unit/mu) | Produce and throw ratio |
| Wheat and corn soybean cotton Chinese cabbage apple fresh kidney beans | ???42.0 ???106.3 ???29.5 ???15.2 ???1300.0 ???320.0 ???270.9 | ??1.80 ??1.40 ??2.60 ??30.00 ??0.30 ??3.00 ??1.00 | ??75.6 ??148.8 ??76.7 ??456.0 ??390.0 ??960.0 ??270.9 | ?????7.0 ?????10.5 ?????5.3 ?????14.0 ?????10.5 ?????35.0 ?????7.0 | ??1∶10.8 ??1∶14.1 ??1∶14.5 ??1∶32.6 ??1∶37.1 ??1∶36.5 ??1∶38.0 |
Annotate: the mu units increased in production is the mean value of field test results, and unit price is a market average price in 1994, and drug cost is by actual spraying concentration and estimate that the retail price lattice calculate.
Claims (10)
1, active nutrient liquid fertilizer, include xanthohumic acid, azophoska and trace element and water, the active constituent content of azophoska is 14～22%, the trace element that adds is boron and molybdenum, particularly borax and ammonium molybdate, wherein the weight percent of borax is 18～25%, and the weight percent of ammonium molybdate is 1～5%, it is characterized in that: the content of above-mentioned xanthohumic acid is 5～10%; Also include 1～5% activator, 1～3% inorganic dispersant and 3～7% citric acid in the liquid fertilizer.
2, liquid fertilizer according to claim 1 is characterized in that above-mentioned activator is H
2O
2, K
2O
2, Na
2O
2In one or more.
3, liquid fertilizer according to claim 1 is characterized in that above-mentioned inorganic dispersant is one or more in trisodium phosphate, tripoly phosphate sodium STPP or the Sodium hexametaphosphate 99.
4, liquid fertilizer according to claim 1 is characterized in that azophoska is made up of 12～20% urea, 6～10% phosphoric acid, 4～8% salt of wormwood or Repone K hybrid reaction, and wherein effective constituent is than being N: P
2O
2: K
2O=1: 0.5～1: 0.25～0.75.
5,, it is characterized in that to add in the above-mentioned liquid fertilizer reinforcer of 1000～3000ppm according to claim 1,2,3 or 4 described liquid fertilizers.
6, liquid fertilizer according to claim 5 is characterized in that above-mentioned reinforcer α-naphthylacetic acid or α-Nafusaku.
7, a kind of method of making the described liquid fertilizer of claim 1 is characterized in that this method may further comprise the steps:
A, under 70～80 ℃ of conditions, activator is slowly joined in the xanthohumic acid solution, stirred 0.5～2 hour, the cooling;
B, urea added in the above-mentioned a solution stir;
C, in the aqueous solution of phosphoric acid, slowly add salt of wormwood or Repone K, stir;
D, treat that c step reaction is finished after, add inorganic dispersant, trace element and citric acid, under 50～60 ℃ of conditions, stirred 1～1.5 hour;
E, the solution that b, d step are obtained mix and fully stirring.
8, liquid fertilizer preparation method according to claim 7 is characterized in that the addition sequence of each material in the above-mentioned d step is followed successively by: inorganic dispersant, ammonium molybdate, borax, citric acid.
9, according to claim 7 or 8 described liquid fertilizer preparation methods, it is characterized in that aforesaid method also includes step f: reinforcer is joined in the e step solution after with 10～15 times dissolve with ethanol.
10, liquid fertilizer preparation method according to claim 7 is characterized in that the preparation method of the xanthohumic acid solution in a step is:
1), will pulverize be 80 purpose weathered coals and hydrogen formula strong acidic ion resin by 1: 4～5 mixed after, add 1.5～2 times deionized water, intermittently stir or vibrated 2～2.5 hours after sedimentation 48 hours;
2), collect 1) supernatant liquid of step, add the ammonia soln of the concentration 25% of 2～3% (V/V), centrifugal or quiescent settling obtained xanthohumic acid solution in 48 hours.
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|---|---|---|---|
| CN95109038A CN1122319A (en) | 1995-08-08 | 1995-08-08 | Active nutrient liquid fertilizer and its preparing method |
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|---|---|---|---|
| CN95109038A CN1122319A (en) | 1995-08-08 | 1995-08-08 | Active nutrient liquid fertilizer and its preparing method |
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|---|---|
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ID=5077019
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| CN100400479C (en) * | 2006-07-04 | 2008-07-09 | 李占彬 | Soil irrigation agent |
| CN102503646A (en) * | 2011-11-04 | 2012-06-20 | 江门市杰士植物营养有限公司 | Production technique for effectively producing organic water-soluble fertilizer |
| CN101717291B (en) * | 2009-12-02 | 2012-07-04 | 张秋贵 | Instant fragrant water-flush compound fertilizer and preparation method |
| CN101781145B (en) * | 2010-01-29 | 2013-07-31 | 南京工业大学 | Preparation method of liquid fertilizer containing high phosphorus and potassium |
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