CN107162831A - Trace element water-soluble composite fertilizer and preparation method thereof in a kind of fulvic acid - Google Patents
Trace element water-soluble composite fertilizer and preparation method thereof in a kind of fulvic acid Download PDFInfo
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- CN107162831A CN107162831A CN201710629110.8A CN201710629110A CN107162831A CN 107162831 A CN107162831 A CN 107162831A CN 201710629110 A CN201710629110 A CN 201710629110A CN 107162831 A CN107162831 A CN 107162831A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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Abstract
The invention discloses trace element water-soluble composite fertilizer in a kind of humic acid and preparation method thereof, belong to technical field of fertilizers.The fertilizer is to be prepared from the following raw materials in parts by weight：200 400 parts of urea, 100 200 parts of MAP, 130 140 parts of potassium sulfate, 10 20 parts of calcium superphosphate, 40 60 parts of fulvic acid, 1 10 parts of Pul polyglutamic acid cross-linked polymer, 5 10 parts of sodium selenite, 10 20 parts of EDTA, 15 parts of superfine ostreae testa pulverata, 5 15 parts of magnesium sulfate, 1 10 parts of complex micro organism fungicide.Rationally, nutrient is balanced, good water solubility, rich in various trace elements and a large amount of beneficial microbes for the fertilizer formula, can improve plant resistance and promote plant nutrient to absorb, be remarkably improved chemical fertilizer utilization rate, especially obvious to wheat increase yield effect.
Description
Technical field
The present invention relates to a kind of water soluble composite fertilizer, trace element water-soluble composite fertilizer in specifically a kind of fulvic acid
And preparation method thereof.
Background technology
It is well known that China is an agricultural production big country, China has supported and accounted on arable land of the world less than 10% is accounted for
The population in the world more than 20%, for the continuous volume increase of agricultural product and grain, the applying quantity of chemical fertilizer of China is increasing.China is current
The fertilizer of large-scale use still falls within Common compound fertilizer or single chemical fertilizer, and composite fertilizer is roughly divided into shaping composite fertilizer and blending
Type composite fertilizer.Include MAP, Diammonium phosphate (DAP), nitrophosphate fertilizer, potassium nitrate, potassium dihydrogen phosphate, ternary with shaping composite fertilizer multiple
Hefei is several, and binary compound fertilizer nutrient formula is fairly simple.Mix type composite fertilizer refer to be granulated with finished product chemical fertilizer of simple substance or
The fertilizer of person's directly blending, most of is secondary operation.The universal nutrient of composite fertilizer largely used at present is relatively fixed, water
Dissolubility is not fine, and fertilizer efficiency is low, and the fertilizer efficiency duration is short, causes a large amount of wastes of fertilizer, and utilization rate of fertilizer is relatively low and long-term
Chemical fertilizer largely is used, soil hardening is easily caused, soil depletion pollutes environment.
In order to improve composite fertilizer's fertilizer efficiency, sight is transferred in Water soluble fertilizer by everybody at present.Water soluble fertilizer is a kind of energy
Enough it is dissolved completely in the multielement compound fertilizer of water, full Water soluble fertilizer non-relative to traditional calcium superphosphate, granulated compound fertilizer etc.
Material and sustained release kind, because it has high instant, absorptivity, instant effect, without residue, using the remarkable advantage such as convenient, are obtained
Swift and violent development.Especially in the environmental protection being on the rise brought in face of greenhouse effects and the situation of water resources shortage
Under, drip irrigation system, spray sprinkling irrigation etc. there is significantly water saving, the novel fertilizer application mode of the fertile function of section to start to be widely applied, make
Agricultural fertilizer person basic change to the noegenesis of fertilizer.Micronutrient levels is less in current water soluble fertilizer, fertilizer
Material proportioning is unreasonable to cause fertilizer efficiency poor, and being used for a long time easily causes nutrient loss in soil, soil acidification, hardened, nitrogen, phosphorus,
The plant recovery of nutrient such as potassium are not high, the problems such as soil fertility degradation, and agricultural sustainable development is by serious challenge.
The content of the invention
It is compound the invention provides trace element water-soluble in a kind of fulvic acid for problems of the prior art
Fertilizer.Rationally, nutrient is balanced for the fertilizer formula, and good water solubility, rich in various trace elements and a large amount of beneficial microbes, can be improved
Plant resistance and promotion plant nutrient absorb, and are remarkably improved chemical fertilizer utilization rate.
Present invention also offers a kind of preparation method of trace element water-soluble composite fertilizer in fulvic acid.This method is simply easy
OK, the product of preparation is high-quality and efficient.
The present invention uses following technical scheme：
Trace element water-soluble composite fertilizer in a kind of fulvic acid, it is to be prepared from the following raw materials in parts by weight：Urea 200-400
Part, 100-200 parts of MAP, 130-140 parts of potassium sulfate, 10-20 parts of calcium superphosphate, 40-60 parts of fulvic acid, short stalk are mould more
Sugar -1-10 parts of polyglutamic acid cross-linked polymer, 5-10 parts of sodium selenite, 10-20 parts of EDTA, 1-5 parts of superfine ostreae testa pulverata, sulphur
Sour magnesium 5-15 parts, 1-10 parts of complex micro organism fungicide；
The Pul-polyglutamic acid cross-linked polymer is as made from following methods：By Pul solution with 5
Drop/s speed is added drop-wise in polyglutamic acid solution, stirring reaction 2h under the conditions of 30 DEG C, and absolute ethyl alcohol precipitation mixed liquor, vacuum is taken out
Precipitation is collected in filter, by precipitation deionized water dissolving, is placed in bag filter the 2h that dialyses, and dialysis is retained into liquid freeze-drying, obtains short
Obstruct mould polysaccharide-polyglutamic acid cross-linked polymer；
The complex micro organism fungicide is according to 1 by Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder：
1：2 weight ratio is made into.
The mass ratio of polyglutamic acid solution and the Pul solution is 1：1；The Pul solution it is dense
Spend for 5mg/ml, pH is 4.5；The concentration of the polyglutamic acid solution is 50mg/ml, and pH is 4.3.
It is preferred that, trace element water-soluble composite fertilizer in described fulvic acid, it is by the raw material system of following weight proportion
Into：300 parts of urea, 150 parts of MAP, 135 parts of potassium sulfate, 15 parts of calcium superphosphate, 50 parts of fulvic acid, Pul-poly-
5 parts of glutamic acid cross-linked polymer, 8 parts of sodium selenite, 18 parts of EDTA, 3 parts of superfine ostreae testa pulverata, 10 parts of magnesium sulfate, composite microbial
5 parts of thing microbial inoculum.
The preparation method of trace element water-soluble composite fertilizer in a kind of fulvic acid, it comprises the following steps：
1）Pul solution is added drop-wise in polyglutamic acid solution with 5 drops/s speed, stirring reaction 2h under the conditions of 30 DEG C,
Absolute ethyl alcohol precipitates mixed liquor, and vacuum filtration collects precipitation, by precipitation deionized water dissolving, is placed in bag filter the 2h that dialyses,
Dialysis is retained into liquid freeze-drying, Pul-polyglutamic acid cross-linked polymer is obtained, it is standby；
2）By commercially available Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder according to 1：1：2 weight ratio is made into
Complex micro organism fungicide, it is standby；
3）Oyster is positioned in ball mill and is crushed to fineness for 100-200 mesh, then pours into fine grinding 1 in super fine grinding machine
It is secondary, superfine ostreae testa pulverata is obtained, its fineness is 2000-2500 mesh, standby；
4）By urea, MAP, potassium sulfate, calcium superphosphate, fulvic acid, sodium selenite, EDTA, superfine ostreae testa pulverata, sulfuric acid
Magnesium sends into the stirring of mixer high speed, mixing time 10-20min together after being weighed according to weight proportion；
5）By step 1）The Pul of preparation-polyglutamic acid cross-linked polymer and step 2）The complex micro organism fungicide of gained
Add in the mixed material after above-mentioned stirring, then the stirring at low speed 10-15min at 20 ± 5 DEG C；
6）By step 5）Gained mixed material discharges, packaging into products.
The step 1）The mass ratio of Glutamic Acid solution and Pul solution is 1：1；The Pul is molten
The concentration of liquid is 5mg/ml, and pH is 4.5；The concentration of the polyglutamic acid solution is 50mg/ml, and pH is 4.3.
The step 4）Middle whipping temp is 30-40 DEG C, rotating speed 100r/min.
The step 5）Middle speed of agitator is 20r/min.
Trichoderma harzianum bacterium powder used of the invention, bacillus subtilis powder, Phanerochaete chrysosporium powder are commercially available prod.
The application method of fertilizer of the present invention is：The fertilizer of preparation is soluble in water, and the mass ratio of water and compound fertilizer is
250:1, then by sprinkling, the mode of drip irrigation is applied fertilizer.
The present invention by a variety of inorganic fertilizer such as urea, MAP, potassium sulfate, the ostreae testa pulverata rich in various trace elements with
And complex micro organism fungicide is mixed, by add Pul-polyglutamic acid cross-linked polymer add it is micro- in ostreae testa pulverata
The water solubility of secondary element and complex microorganism, makes each nutrient rapid dispersion in aqueous, while multiple-microorganism microbial inoculum is cooperateed with
Effect, promotes absorption and utilization of the plant to nutrient, strengthens Water and fertilizer retention ability of soil, effectively reduce fertilizer loss, improve fertilizer
Expect utilization rate, reduce environmental pollution.
The beneficial effects of the invention are as follows：1）The water soluble composite fertilizer of the present invention is by multiple-microorganism and nitrogen, phosphorus, potassium and a variety of
Trace element is organically combined, and improves the fertility of soil, reduces nutrient loss, utilization rate of fertilizer is improved, especially to small
Wheat the effect of increasing income is obvious.2）The water soluble composite fertilizer of the present invention is mould by the synergy of multiple-microorganism, and short stalk
Polysaccharide-polyglutamic acid cross-linked polymer makes nutrient rapid dispersion after and is fully dissolved in water, can effectively suppress soil
In the growth of the harmful microbe such as fungi, bacterium, virus, the generation of pest and disease damage effectively during prevention wheat planting.3）It is real
Water-fertilizer integral is showed, efficiency high of applying fertilizer, it is possible to reduce total fertilization amount plays rich water cooperative effect, makes the utilization of fertilizer and water
Efficiency is all significantly improved, and fertilizer efficiency is fast, it is possible to resolve the nutritional need of high-yield crop fast growing period.
Embodiment
With reference to specific embodiment, the present invention is described in further detail.
Embodiment 1
Trace element water-soluble composite fertilizer in a kind of fulvic acid, it is to be prepared from the following raw materials in parts by weight：200 parts of urea,
100 parts of MAP, 130 parts of potassium sulfate, 10 parts of calcium superphosphate, 40 parts of fulvic acid, Pul-polyglutamic acid cross-linked polymeric
1 part of thing, 5 parts of sodium selenite, 10 parts of EDTA, 1 part of superfine ostreae testa pulverata, 5 parts of magnesium sulfate, 1 part of complex micro organism fungicide；
The Pul-polyglutamic acid cross-linked polymer is as made from following methods：By Pul solution with 5
Drop/s speed is added drop-wise in polyglutamic acid solution, stirring reaction 2h under the conditions of 30 DEG C, and absolute ethyl alcohol precipitation mixed liquor, vacuum is taken out
Precipitation is collected in filter, by precipitation deionized water dissolving, is placed in bag filter the 2h that dialyses, and dialysis is retained into liquid freeze-drying, obtains short
Obstruct mould polysaccharide-polyglutamic acid cross-linked polymer；
The complex micro organism fungicide is according to 1 by Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder：
1：2 weight ratio is made into.
The mass ratio of polyglutamic acid solution and the Pul solution is 1：1；The Pul solution it is dense
Spend for 5mg/ml, pH is 4.5；The concentration of the polyglutamic acid solution is 50mg/ml, and pH is 4.3.
The preparation method of trace element water-soluble composite fertilizer in a kind of fulvic acid, it comprises the following steps：
1）Pul solution is added drop-wise in polyglutamic acid solution with 5 drops/s speed, stirring reaction 2h under the conditions of 30 DEG C,
Absolute ethyl alcohol precipitates mixed liquor, and vacuum filtration collects precipitation, by precipitation deionized water dissolving, is placed in bag filter the 2h that dialyses,
Dialysis is retained into liquid freeze-drying, Pul-polyglutamic acid cross-linked polymer is obtained, it is standby；
2）By commercially available Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder according to 1：1：2 weight ratio is made into
Complex micro organism fungicide, it is standby；
3）Oyster is positioned in ball mill and is crushed to fineness for 100-200 mesh, then pours into fine grinding 1 in super fine grinding machine
It is secondary, superfine ostreae testa pulverata is obtained, its fineness is 2000-2500 mesh, standby；
4）By urea, MAP, potassium sulfate, calcium superphosphate, fulvic acid, sodium selenite, EDTA, superfine ostreae testa pulverata, sulfuric acid
Magnesium sends into the stirring of mixer high speed together after being weighed according to weight proportion, mixing time 10-20min, whipping temp is 30-40
DEG C, rotating speed 100r/min.
5）By step 1）The Pul of preparation-polyglutamic acid cross-linked polymer and step 2）The complex microorganism of gained
Microbial inoculum is added in the mixed material after above-mentioned stirring, then the stirring at low speed 10-15min at 20 ± 5 DEG C；Mixing speed is 20r/
min。
6）By step 5）Gained mixed material discharges, packaging into products.
The step 1）The mass ratio of Glutamic Acid solution and Pul solution is 1：1；The Pul is molten
The concentration of liquid is 5mg/ml, and pH is 4.5；The concentration of the polyglutamic acid solution is 50mg/ml, and pH is 4.3.
Embodiment 2
Trace element water-soluble composite fertilizer in a kind of fulvic acid, it is to be prepared from the following raw materials in parts by weight：400 parts of urea,
200 parts of MAP, 140 parts of potassium sulfate, 20 parts of calcium superphosphate, 60 parts of fulvic acid, Pul-polyglutamic acid cross-linked polymeric
10 parts of thing, 10 parts of sodium selenite, 20 parts of EDTA, 5 parts of superfine ostreae testa pulverata, 15 parts of magnesium sulfate, 10 parts of complex micro organism fungicide；
The Pul-polyglutamic acid cross-linked polymer is as made from following methods：By Pul solution with 5
Drop/s speed is added drop-wise in polyglutamic acid solution, stirring reaction 2h under the conditions of 30 DEG C, and absolute ethyl alcohol precipitation mixed liquor, vacuum is taken out
Precipitation is collected in filter, by precipitation deionized water dissolving, is placed in bag filter the 2h that dialyses, and dialysis is retained into liquid freeze-drying, obtains short
Obstruct mould polysaccharide-polyglutamic acid cross-linked polymer；
The complex micro organism fungicide is according to 1 by Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder：
1：2 weight ratio is made into.
The mass ratio of polyglutamic acid solution and the Pul solution is 1：1；The Pul solution it is dense
Spend for 5mg/ml, pH is 4.5；The concentration of the polyglutamic acid solution is 50mg/ml, and pH is 4.3.
The preparation method of trace element water-soluble composite fertilizer in a kind of fulvic acid, it comprises the following steps：
1）Pul solution is added drop-wise in polyglutamic acid solution with 5 drops/s speed, stirring reaction 2h under the conditions of 30 DEG C,
Absolute ethyl alcohol precipitates mixed liquor, and vacuum filtration collects precipitation, by precipitation deionized water dissolving, is placed in bag filter the 2h that dialyses,
Dialysis is retained into liquid freeze-drying, Pul-polyglutamic acid cross-linked polymer is obtained, it is standby；
2）By commercially available Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder according to 1：1：2 weight ratio is made into
Complex micro organism fungicide, it is standby；
3）Oyster is positioned in ball mill and is crushed to fineness for 100-200 mesh, then pours into fine grinding 1 in super fine grinding machine
It is secondary, superfine ostreae testa pulverata is obtained, its fineness is 2000-2500 mesh, standby；
4）By urea, MAP, potassium sulfate, calcium superphosphate, fulvic acid, sodium selenite, EDTA, superfine ostreae testa pulverata, sulfuric acid
Magnesium sends into the stirring of mixer high speed together after being weighed according to weight proportion, mixing time 10-20min, whipping temp is 30-40
DEG C, rotating speed 100r/min.
5）By step 1）The Pul of preparation-polyglutamic acid cross-linked polymer and step 2）The complex microorganism of gained
Microbial inoculum is added in the mixed material after above-mentioned stirring, then the stirring at low speed 10-15min at 20 ± 5 DEG C；Mixing speed is 20r/
min。
6）By step 5）Gained mixed material discharges, packaging into products.
The step 1）The mass ratio of Glutamic Acid solution and Pul solution is 1：1；The Pul is molten
The concentration of liquid is 5mg/ml, and pH is 4.5；The concentration of the polyglutamic acid solution is 50mg/ml, and pH is 4.3.
Embodiment 3
Trace element water-soluble composite fertilizer in a kind of fulvic acid, it is to be prepared from the following raw materials in parts by weight：300 parts of urea,
150 parts of MAP, 135 parts of potassium sulfate, 15 parts of calcium superphosphate, 50 parts of fulvic acid, Pul-polyglutamic acid cross-linked polymeric
5 parts of thing, 8 parts of sodium selenite, 18 parts of EDTA, 3 parts of superfine ostreae testa pulverata, 10 parts of magnesium sulfate, 5 parts of complex micro organism fungicide.
The Pul-polyglutamic acid cross-linked polymer is as made from following methods：By Pul solution
It is added drop-wise to 5 drops/s speed in polyglutamic acid solution, stirring reaction 2h under the conditions of 30 DEG C, absolute ethyl alcohol precipitation mixed liquor, very
Empty collected by suction precipitation, by precipitation deionized water dissolving, is placed in bag filter the 2h that dialyses, and dialysis is retained into liquid freeze-drying,
Obtain Pul-polyglutamic acid cross-linked polymer；
The complex micro organism fungicide is according to 1 by Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder：
1：2 weight ratio is made into.
The mass ratio of polyglutamic acid solution and the Pul solution is 1：1；The Pul solution it is dense
Spend for 5mg/ml, pH is 4.5；The concentration of the polyglutamic acid solution is 50mg/ml, and pH is 4.3.
The preparation method of trace element water-soluble composite fertilizer in a kind of fulvic acid, it comprises the following steps：
1）Pul solution is added drop-wise in polyglutamic acid solution with 5 drops/s speed, stirring reaction 2h under the conditions of 30 DEG C,
Absolute ethyl alcohol precipitates mixed liquor, and vacuum filtration collects precipitation, by precipitation deionized water dissolving, is placed in bag filter the 2h that dialyses,
Dialysis is retained into liquid freeze-drying, Pul-polyglutamic acid cross-linked polymer is obtained, it is standby；
2）By commercially available Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder according to 1：1：2 weight ratio is made into
Complex micro organism fungicide, it is standby；
3）Oyster is positioned in ball mill and is crushed to fineness for 100-200 mesh, then pours into fine grinding 1 in super fine grinding machine
It is secondary, superfine ostreae testa pulverata is obtained, its fineness is 2000-2500 mesh, standby；
4）By urea, MAP, potassium sulfate, calcium superphosphate, fulvic acid, sodium selenite, EDTA, superfine ostreae testa pulverata, sulfuric acid
Magnesium sends into the stirring of mixer high speed together after being weighed according to weight proportion, mixing time 10-20min, whipping temp is 30-40
DEG C, rotating speed 100r/min.
5）By step 1）The Pul of preparation-polyglutamic acid cross-linked polymer and step 2）The complex microorganism of gained
Microbial inoculum is added in the mixed material after above-mentioned stirring, then the stirring at low speed 10-15min at 20 ± 5 DEG C；Mixing speed is 20r/
min。
6）By step 5）Gained mixed material discharges, packaging into products.
The step 1）The mass ratio of Glutamic Acid solution and Pul solution is 1：1；The Pul is molten
The concentration of liquid is 5mg/ml, and pH is 4.5；The concentration of the polyglutamic acid solution is 50mg/ml, and pH is 4.3.
Comparative example 1
Trace element water-soluble composite fertilizer in a kind of fulvic acid, it is to be prepared from the following raw materials in parts by weight：300 parts of urea,
It is 150 parts of MAP, 135 parts of potassium sulfate, 15 parts of calcium superphosphate, 50 parts of fulvic acid, 8 parts of sodium selenite, 18 parts of EDTA, ultra-fine
Micro- 3 parts of ostreae testa pulverata, 10 parts of magnesium sulfate, 5 parts of complex micro organism fungicide.
The complex micro organism fungicide be by Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder by
According to 1：1：2 weight ratio is made into.
The preparation method be the same as Example 3 of above-mentioned fertilizer, unlike：Without Pul-polyglutamic acid cross-linked polymeric
The preparation process of thing.
Comparative example 2
Trace element water-soluble composite fertilizer in a kind of fulvic acid, it is to be prepared from the following raw materials in parts by weight：300 parts of urea,
150 parts of MAP, 135 parts of potassium sulfate, 15 parts of calcium superphosphate, 50 parts of fulvic acid, Pul-polyglutamic acid cross-linked polymeric
5 parts of thing, 8 parts of sodium selenite, 18 parts of EDTA, 3 parts of superfine ostreae testa pulverata, 10 parts of magnesium sulfate, 5 parts of Trichoderma harzianum bacterium powder.
The preparation method be the same as Example 3 of above-mentioned composite fertilizer, unlike：Former complex microorganism is replaced with Trichoderma harzianum bacterium powder
Microbial inoculum.
Comparative example 3
Trace element water-soluble composite fertilizer in a kind of fulvic acid, it is to be prepared from the following raw materials in parts by weight：300 parts of urea,
150 parts of MAP, 135 parts of potassium sulfate, 15 parts of calcium superphosphate, 50 parts of fulvic acid, Pul-polyglutamic acid cross-linked polymeric
5 parts of thing, 8 parts of sodium selenite, 18 parts of EDTA, 3 parts of superfine ostreae testa pulverata, 10 parts of magnesium sulfate, 5 parts of bacillus subtilis powder.
The preparation method be the same as Example 3 of above-mentioned composite fertilizer, unlike：Former composite microbial is replaced with bacillus subtilis powder
Thing microbial inoculum.
Comparative example 4
Trace element water-soluble composite fertilizer in a kind of fulvic acid, it is to be prepared from the following raw materials in parts by weight：300 parts of urea,
150 parts of MAP, 135 parts of potassium sulfate, 15 parts of calcium superphosphate, 50 parts of fulvic acid, Pul-polyglutamic acid cross-linked polymeric
5 parts of thing, 8 parts of sodium selenite, 18 parts of EDTA, 3 parts of superfine ostreae testa pulverata, 10 parts of magnesium sulfate, 5 parts of Phanerochaete chrysosporium powder.
The preparation method be the same as Example 3 of above-mentioned composite fertilizer, unlike：Replace former compound micro- with Phanerochaete chrysosporium powder
Bacteria agent.
Application effect example
Choose Sichuan Province Hongya County somewhere and be used as wheat planting experimental plot, pilot region soil nutrient content：Organic matter 16.9g/
Kg, alkali-hydrolyzable nitrogen 62.1mg/kg, rapid available phosphorus 17.1mg/kg, available potassium 63.5mg/kg, pH 6.9.Educated for examination wheat breed for river
No. 13, planted using seeder, every mu of consumption 12kg.Experiment sets 6 treatment groups, and each treatment group uses phase in wheat cultivation
With base manure processing method, topdressed in the wheat growth jointing stage by the way of irrigation is sprayed once, different disposal group is topdressed institute
Different with fertilizer variety, consumption is identical, wherein the 1st group of fertilizer is the fertilizer prepared by embodiment 3,2-5 groups are respectively to contrast
Fertilizer prepared by example 1-4, the 6th group is blank control group, only sprays the same amount of clear water of irrigation.Each processing of other field management
Group all same.Harvest time harvests wheat and weighed and counts yield and choose 20 plants of single stems progress yield forming researchs, tool in random
Body result is as shown in table 1.
The wheat yield of table 1 and composition statistical result
| Group | Average number of grain per ear | Mass of 1000 kernel（g） | Grain yield（Kg/ mus） | Compared with blank control rate of growth（%） |
| 1 | 49 | 48 | 650 | 19.3 |
| 2 | 36 | 42 | 619 | 13.6 |
| 3 | 29 | 33 | 578 | 6.1 |
| 4 | 30 | 31 | 559 | 2.6 |
| 5 | 31 | 35 | 580 | 6.4 |
| 6 | 28 | 31 | 545 | -- |
The Water Soluble Compound fertilizer of the present invention is applied as topdressing from the result of above-mentioned table 1 as can be seen that compared with blank control
After wheat, wheat increase yield effect is obvious, and wheat quality is higher, and thousand grain weight of wheat and number of grain per ear are all significantly higher than other
Test group.Compared with comparative example 1, the fertilizer of inventive formulation to wheat increase yield effect more preferably, during this is due to inventive formulation
Containing special Pul-polyglutamic acid cross-linked polymer, it can increase trace element and microbial bacterial agent in water
Water solubility, add a variety of nutrients in water soluble fertilizer, make nutrient is faster and better to be absorbed by plants, utilization rate of fertilizer is more
It is high.Compared with blank control group, comparative example 2-4 fertilizer can also increase the yield of wheat, but yield increase is not obvious.This can
It can be due to that single culture is acted on after crops, promote plant the effect of Nutrient Absorption and increase plant resistance not
It is too obvious.
Simultaneously statistical result is as shown in table 2 below for pest and disease damage incidence during the present invention is investigated above-mentioned wheat planting.
The Wheat Diseases And Insect Pests incidence statistical result of table 2
| Group | Head blight（%） | Powdery mildew（%） | Stripe rust（%） | Aphid（%） | Red spider（%） |
| 1 | 0.3 | 1.2 | 2.1 | 1.5 | 0.9 |
| 2 | 0.5 | 1.0 | 2.3 | 1.4 | 1.0 |
| 3 | 1.6 | 2.1 | 3.2 | 1.8 | 1.5 |
| 4 | 1.7 | 1.9 | 3.1 | 1.8 | 1.2 |
| 5 | 1.8 | 1.8 | 2.9 | 1.6 | 1.3 |
| 6 | 3.2 | 2.5 | 3.5 | 2.1 | 1.7 |
It is can be seen that from the result of above-mentioned table 2 compared with blank control group, pest and disease damage incidence is bright after Fertilizer application of the invention
Aobvious reduction.Compared with blank control, although pest and disease damage incidence also has certain decline after comparative example 3-5 Fertilizer application,
It is unobvious.This is relatively low mainly due to the bactericidal effect due to single microorganism strain, and after a variety of strain reasonable compatibilities, respectively
Synergistic bacterium is acted on, and reaches a stable microorganism ecological environment, beneficial bacterium viable count is more, and bactericidal and bacteriostatic effect is also more aobvious
Write, the resistance and nutrient absorption for adding plant are harmonious, thus effect is more obvious.
Claims (7)
1. trace element water-soluble composite fertilizer in a kind of fulvic acid, it is characterised in that it is by the raw material system of following weight proportion
Into：200-400 parts of urea, 100-200 parts of MAP, 130-140 parts of potassium sulfate, 10-20 parts of calcium superphosphate, fulvic acid 40-
60 parts, Pul -1-10 parts of polyglutamic acid cross-linked polymer, 5-10 parts of sodium selenite, 10-20 parts of EDTA, superfine it is male
1-5 parts of oyster powder, 5-15 parts of magnesium sulfate, 1-10 parts of complex micro organism fungicide；
The Pul-polyglutamic acid cross-linked polymer is as made from following methods：By Pul solution with 5
Drop/s speed is added drop-wise in polyglutamic acid solution, stirring reaction 2h under the conditions of 30 DEG C, and absolute ethyl alcohol precipitation mixed liquor, vacuum is taken out
Precipitation is collected in filter, by precipitation deionized water dissolving, is placed in bag filter the 2h that dialyses, and dialysis is retained into liquid freeze-drying, obtains short
Obstruct mould polysaccharide-polyglutamic acid cross-linked polymer；
The complex micro organism fungicide is according to 1 by Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder：
1：2 weight ratio is made into.
2. trace element water-soluble composite fertilizer in fulvic acid according to claim 1, it is characterised in that the polyglutamic acid
The mass ratio of solution and Pul solution is 1：1；The concentration of the Pul solution is 5mg/ml, and pH is 4.5；Institute
The concentration for stating polyglutamic acid solution is 50mg/ml, and pH is 4.3.
3. trace element water-soluble composite fertilizer in fulvic acid according to claim 1, it is characterised in that it is by following heavy
The raw material of amount proportioning is made：300 parts of urea, 150 parts of MAP, 135 parts of potassium sulfate, 15 parts of calcium superphosphate, 50 parts of fulvic acid,
Pul -5 parts of polyglutamic acid cross-linked polymer, 8 parts of sodium selenite, 18 parts of EDTA, 3 parts of superfine ostreae testa pulverata, magnesium sulfate
10 parts, 5 parts of complex micro organism fungicide.
4. the preparation method of trace element water-soluble composite fertilizer in the fulvic acid described in a kind of claim 1, it is characterised in that it
Comprise the following steps：
1）Pul solution is added drop-wise in polyglutamic acid solution with 5 drops/s speed, stirring reaction 2h under the conditions of 30 DEG C,
Absolute ethyl alcohol precipitates mixed liquor, and vacuum filtration collects precipitation, by precipitation deionized water dissolving, is placed in bag filter the 2h that dialyses,
Dialysis is retained into liquid freeze-drying, Pul-polyglutamic acid cross-linked polymer is obtained, it is standby；
2）By commercially available Trichoderma harzianum bacterium powder, bacillus subtilis powder, Phanerochaete chrysosporium powder according to 1：1：2 weight ratio is made into
Complex micro organism fungicide, it is standby；
3）Oyster is positioned in ball mill and is crushed to fineness for 100-200 mesh, then pours into fine grinding 1 in super fine grinding machine
It is secondary, superfine ostreae testa pulverata is obtained, its fineness is 2000-2500 mesh, standby；
4）By urea, MAP, potassium sulfate, calcium superphosphate, fulvic acid, sodium selenite, EDTA, superfine ostreae testa pulverata, sulfuric acid
Magnesium sends into the stirring of mixer high speed, mixing time 10-20min together after being weighed according to weight proportion；
5）By step 1）The Pul of preparation-polyglutamic acid cross-linked polymer and step 2）The complex micro organism fungicide of gained
Add in the mixed material after above-mentioned stirring, then the stirring at low speed 10-15min at 20 ± 5 DEG C；
6）By step 5）Gained mixed material discharges, packaging into products.
5. the preparation method of water soluble composite fertilizer according to claim 4, it is characterised in that the step 1）Glutamic Acid
The mass ratio of solution and Pul solution is 1：1；The concentration of the Pul solution is 5mg/ml, and pH is 4.5；Institute
The concentration for stating polyglutamic acid solution is 50mg/ml, and pH is 4.3.
6. the preparation method of water soluble composite fertilizer according to claim 4, it is characterised in that the step 4）Middle stirring temperature
Spend for 30-40 DEG C, rotating speed 100r/min.
7. the preparation method of water soluble composite fertilizer according to claim 4, it is characterised in that the step 5）Middle stirring turns
Speed is 20r/min.
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| CN107586209A (en) * | 2017-10-30 | 2018-01-16 | 成都云图控股股份有限公司 | A kind of instant chelating solid Water soluble fertilizer and preparation method thereof |
| CN107602256A (en) * | 2017-10-30 | 2018-01-19 | 成都云图控股股份有限公司 | A kind of Water soluble fertilizer of the lysine containing L and preparation method thereof |
| CN107673855A (en) * | 2017-10-30 | 2018-02-09 | 成都云图控股股份有限公司 | A kind of biological carbon energy Water soluble fertilizer and preparation method thereof |
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| CN108191523A (en) * | 2018-01-19 | 2018-06-22 | 山东福瑞达生物科技有限公司 | A kind of selenium-rich plant nutrient solution containing polyglutamic acid and preparation method thereof |
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| CN111484374A (en) * | 2019-01-28 | 2020-08-04 | 中国科学院上海营养与健康研究所 | Trichoderma source nano selenium leaf fertilizer for reducing crop fungal disease and toxin pollution |
| CN112778044A (en) * | 2020-12-31 | 2021-05-11 | 广西勤德科技股份有限公司 | Organic water-soluble fertilizer containing fulvic acid and preparation method thereof |
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