CN115322041A - Red date fulvic acid selenium-rich leaf surface water-soluble fertilizer for Xinjiang saline-alkali soil and preparation method thereof - Google Patents
Red date fulvic acid selenium-rich leaf surface water-soluble fertilizer for Xinjiang saline-alkali soil and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a red date fulvic acid selenium-rich foliar water-soluble fertilizer for Xinjiang saline-alkali soil and a preparation method thereof, wherein the fulvic acid water-soluble fertilizer comprises raw materials of mineral fulvic acid, sodium selenite, amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural permeation-promoting component, a surfactant and beneficial salt-resistant microbial bacteria, and the raw materials comprise the following components in parts by weight: 5-25 parts of mineral fulvic acid, 1-15 parts of sodium selenite, 5-20 parts of amino acid, 10-35 parts of monopotassium phosphate, 2-8 parts of enzyme preparation, 5-10 parts of boric acid, 5-10 parts of zinc sulfate and 0.5-5 parts of trace element supplement. According to the red date fulvic acid selenium-rich foliage water-soluble fertilizer for Xinjiang saline-alkali soil and the preparation method, the natural plant penetration promoting component is added into the fulvic acid selenium-rich foliage water-soluble fertilizer, so that the efficient absorption of the foliage fertilizer is guaranteed, the nutritional ingredients of red dates are effectively improved, the overall yield of the red dates and the weight of a single fruit can be improved, the overall pH value of a water-soluble foliage fertilizer is controlled, and the effect of guaranteeing the use of the saline-alkali soil can be effectively achieved.
Description
Technical Field
The invention relates to the related technical field of foliar fertilizers, in particular to a red date fulvic acid selenium-rich foliar water-soluble fertilizer for Xinjiang saline-alkali soil and a preparation method thereof.
Background
The foliar fertilizer is a fertilizer which aims at foliar absorption, directly applies nutrients required by crops to the foliar, is an important supplement for soil fertilization, the balanced supply of nutrients is a key for high quality and high yield of crops, the fertilizer efficiency of the foliar fertilizer is finally reflected in the degree of crop yield increase, and the foliar fertilizer is a fertilizer type which exerts basic functions by applying nutrient elements to the surfaces of leaves of the crops and absorbing the nutrient elements by the leaves. The characteristics of applying the foliar fertilizer are very outstanding: the method has the advantages of strong pertinence, quick nutrient absorption and operation, small using amount, obvious yield increase effect, capability of making up the deficiency of nutrient absorption of roots, avoiding fixation of soil to certain nutrients and the like, and the best method for supplementing various nutrient elements by spraying foliar fertilizer on the leaf surfaces.
The fulvic acid foliage water-soluble fertilizer is mainly applied to wheat, corn, sweet potato, millet, rice, cotton, peanut, rape, tobacco, mulberry, melon and fruit, vegetables and the like, can be used as a plant growth regulator, has the effects of resisting drought and dry hot wind, and can improve the quality of crop fruits;
however, the trace element adjustment capability of the existing fulvic acid foliar fertilizer is poor, the pertinence of the using object is poor, and the foliar fertilizer specially used for red dates in Xinjiang is particularly lacked; the pH value of the existing leaf fertilizer is too high, so that the existing leaf fertilizer cannot be applied to saline-alkali soil in Xinjiang, and the effects of the existing fulvic acid leaf fertilizer on the aspects of adjusting the acidity and alkalinity, improving soil hardening, fixing nitrogen, dissolving phosphorus and slowly releasing potassium also need to be further improved.
Aiming at the problems, the red date fulvic acid selenium-rich foliar water-soluble fertilizer for the saline-alkali soil in Xinjiang and the preparation method are provided.
Disclosure of Invention
The invention aims to provide a red date fulvic acid selenium-rich foliar water-soluble fertilizer for Xinjiang saline-alkali soil and a preparation method thereof, and aims to solve the problems that the pH value of a foliar fertilizer is too high and the foliar fertilizer cannot be applied to the Xinjiang saline-alkali soil, and the existing fulvic acid foliar fertilizer has poor effects of adjusting the pH value and improving the soil hardening.
In order to achieve the purpose, the invention provides the following technical scheme: a selenium-rich leaf surface water-soluble fertilizer containing red date fulvic acid for Xinjiang saline-alkali soil:
the fulvic acid water-soluble fertilizer comprises mineral fulvic acid, sodium selenite, amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural permeation-promoting component, a surfactant and beneficial salt-resistant microorganisms, wherein the raw materials comprise the following components in parts by weight:
5-25 parts of mineral fulvic acid, 1-15 parts of sodium selenite, 5-20 parts of amino acid, 10-35 parts of monopotassium phosphate, 2-8 parts of enzyme preparation, 5-10 parts of boric acid, 5-10 parts of zinc sulfate, 0.5-5 parts of trace element supplement, 0.1-2 parts of plant natural permeation promoting component, 0.5-1 part of surfactant and 0.5-1 part of beneficial salt-resistant microorganism strain.
Preferably, the microelement supplement mainly comprises elemental substances containing iron, zinc, copper, titanium, chromium, vanadium, cobalt and the like and agricultural rare earth.
Preferably, the natural plant penetration-promoting component is plant extract saponin, and is at least one of saponin, tea saponin and tea polyphenol.
Preferably, the organic fertilizer mixture comprises two or more of monopotassium phosphate, urea, calcium phosphate and ammonium phosphate in equal amount, preferably prepared by mixing urea and monopotassium phosphate, and the main component of the surfactant is an acetylene glycol surfactant.
A preparation method of a selenium-rich foliar water-soluble fertilizer containing red date fulvic acid for Xinjiang saline-alkali soil comprises the following steps:
(1) To prepare fulvic acid solution
Adding mineral source fulvic acid and clear water into a reaction kettle according to the proportion of 1-3-5, heating to 80-90 ℃, then adding an extracting agent, preserving heat and stirring, wherein the proportion of the extracting agent to mineral substances rich in fulvic acid is 10 parts: 80-100 parts of potassium fulvate solution, extracting for 1.5-2 hours to form an extract, and then inputting the extract into a centrifuge for filtration and centrifugation to separate impurities, wherein the filtrate is the potassium fulvate solution;
(2) Preparing the fulvic acid selenium complex aqueous solution
Adding 5 parts of sodium selenite into the fulvic acid solution in the step (1), and continuously stirring for 90-120 minutes to fully dissolve the sodium selenite into the fulvic acid solution to obtain a fulvic acid selenium complex aqueous solution;
(3) Mixing other components
Mixing and mixing amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural penetration-promoting component, a surfactant and beneficial salt-resistant microorganisms into the fulvic acid selenium complex, adding the surfactant at the same time, and stirring for uniformly and fully mixing for not less than 30 minutes;
(4) Screening impurities present inside water-soluble fertilizer
Filtering the water-soluble fertilizer through a plurality of layers of filter screens to remove internal impurities, and performing graded filtration through the plurality of layers of filter screens;
(5) Increase the concentration of water-soluble fertilizer
By evaporating the water in the mixed water-soluble fertilizer, the water content in the water-soluble fertilizer is 45-55%, and the whole capacity is 1L.
Preferably, in the step (1), a special water purifier is used for preparing the distilled water, the higher the purity of the distilled water is, the better the effect is, the conductivity of the distilled water is required to be lower than 6 mu s/cm, and the pH value is between 5 and 6.
Preferably, the prepared fertilizer is diluted by 100-300 times according to the mass ratio for use, the using amount per mu is 200-300ml, and the spraying frequency is 1-3 times.
Preferably, the pore size of the filter screen used in the step 5 is 80-120 meshes, and the filtering times are not less than two.
Preferably, the pH value of the water-soluble fertilizer obtained by mixing and evaporating water in the step 4 is below 7, and the content of insoluble substances in the leaf surface water-soluble fertilizer is less than 0.35%.
Preferably, in the step (3), the stirring is performed in the same direction, the rotation stirring is performed, the continuous machine state is maintained while other raw materials are sequentially added, the mixing is ensured to be more uniform, the stirring speed is 40-60 r/min, and the temperature is maintained at 70-90 ℃.
Compared with the prior art, the invention has the beneficial effects that: the red date fulvic acid selenium-rich foliage water-soluble fertilizer for Xinjiang saline-alkali soil and the preparation method thereof,
1. by adding the plant natural penetration-promoting component into the fulvic acid selenium-rich foliar water-soluble fertilizer, the efficient absorption, conversion and photosynthesis of chlorophyll in the photosynthetic reaction can be greatly guaranteed, and the trace element supplement and the organic fertilizer mixture are added inside, so that the nutritional ingredients of the red dates are effectively improved, the edible value of the red date fruits is improved, the surface activity of the spray liquid can be changed by adding the surfactant, the absorption effect of the red date leaves on nutrients is improved, the nutrition of the red date trees and the fruits is guaranteed by the water-soluble foliar fertilizer, and the overall yield of the red date trees and the weight of the single fruits are improved.
2. The integral pH value of the water-soluble leaf fertilizer is controlled by adding distilled water with a specific pH value, the leaf fertilizer can effectively deal with the saline-alkali soil, the yield increase in the saline-alkali soil is slightly improved on the contrary compared with that of neutral soil, but the effect of a commercially available common leaf fertilizer and a commercially available inorganic fertilizer does not exist, and the yield is reduced because the soil is further promoted to harden when the commercially available inorganic fertilizer is used in the saline-alkali soil.
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FIG. 1 is a schematic view of a production process of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides the following technical solutions:
example 1
Red date fulvic acid selenium-rich leaf surface water-soluble fertilizer for Xinjiang saline-alkali soil;
the selenium-rich water-soluble fulvic acid fertilizer comprises mineral fulvic acid, sodium selenite, amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural permeation promoting component, a surfactant and beneficial salt-resistant microbial bacteria, wherein the raw materials comprise the following components in parts by weight:
10 parts of mineral fulvic acid, 5 parts of sodium selenite, 10 parts of amino acid, 15 parts of monopotassium phosphate, 5 parts of enzyme preparation, 8 parts of boric acid, 5 parts of zinc sulfate, 2.5 parts of trace element supplement, 0.5 part of plant natural permeation promoting component, 0.5 part of surfactant and 0.5 part of beneficial salt-resistant microorganism bacteria.
The microelement supplement mainly comprises substances containing iron, zinc, copper and cobalt and agricultural rare earth.
The natural penetration promoting component is plant extract saponin, which is the combination of saponin and tea polyphenol.
The organic fertilizer mixture comprises two or more of monopotassium phosphate, urea, calcium phosphate and ammonium phosphate in equal amount, preferably prepared by mixing urea and monopotassium phosphate, and the main component of the surfactant is an acetylene glycol surfactant.
The preparation method comprises the following steps:
(1) To prepare fulvic acid solution
Adding mineral source fulvic acid and clear water into a reaction kettle according to the proportion of 1: 80 parts of potassium fulvate solution, wherein the extraction time is 1.5 hours, an extract is formed, then the extract is input into a centrifuge for filtration and centrifugation, impurities are separated, and the filtrate is the potassium fulvate solution;
(2) Preparing the fulvic acid selenium complex aqueous solution
Adding 5 parts of sodium selenite into the fulvic acid solution in the step (1), and continuously stirring for 100 minutes to fully dissolve the sodium selenite into the fulvic acid solution to obtain a fulvic acid selenium complex aqueous solution;
(3) Mixing other components
Mixing amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural permeation-promoting component, a surfactant and beneficial salt-resistant microorganisms into the fulvic acid selenium complex, adding the surfactant at the same time, stirring, and fully and uniformly mixing for 25 minutes;
(4) Screening impurities present inside water-soluble fertilizer
Filtering the water-soluble fertilizer through a plurality of layers of filter screens to remove internal impurities, and performing graded filtration through the plurality of layers of filter screens;
(5) Improve the concentration of the water-soluble fertilizer
The water content in the water-soluble fertilizer is 45% -55% by evaporating the water in the water-soluble fertilizer after mixing, and the whole capacity is 1L.
In the step (1), a special water purifier is used for preparing distilled water, the higher the purity of the distilled water is, the better the effect is, the conductivity of the distilled water is required to be lower than 6 mu s/cm, and the pH value is 5.
The prepared product is diluted 150 times according to the mass ratio for use, the using amount per mu is 250ml, and the spraying times are 3 times.
The aperture of the filter screen used in the step 5 is 80-120 meshes, and the filtering times are not less than two times.
And 4, the pH value of the water-soluble fertilizer after water is mixed and evaporated is below 7, and the content of insoluble substances in the leaf surface water-soluble fertilizer is less than 0.35%.
And (3) stirring in the step (3) ensures that the rotary stirring is carried out in the same direction, other raw materials are sequentially added while the non-stop state is kept, so that the mixing is ensured to be more uniform, the stirring speed is 45 revolutions per minute, and the temperature is kept at 85 ℃.
Example 2
Red date fulvic acid selenium-rich leaf surface water-soluble fertilizer for Xinjiang saline-alkali soil;
the fulvic acid selenium-rich water-soluble fertilizer comprises mineral fulvic acid, sodium selenite, amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural permeation-promoting component, a surfactant and beneficial salt-resistant microorganisms, wherein the raw materials comprise the following components in parts by weight:
20 parts of mineral fulvic acid, 15 parts of sodium selenite, 15 parts of amino acid, 25 parts of monopotassium phosphate, 8 parts of enzyme preparation, 10 parts of boric acid, 10 parts of zinc sulfate, 3 parts of trace element supplement, 0.8 part of plant natural permeation-promoting component, 0.8 part of surfactant and 0.65 part of beneficial salt-resistant microorganism bacteria.
The microelement supplement mainly comprises elements such as copper, titanium, chromium, vanadium, cobalt and the like and agricultural rare earth.
The plant natural penetration promoting component is plant extract saponin, specifically tea polyphenols.
The organic fertilizer mixture comprises two or more of monopotassium phosphate, urea, calcium phosphate and ammonium phosphate in equal amount, preferably prepared by mixing urea and monopotassium phosphate, and the main component of the surfactant is an acetylene glycol surfactant.
The preparation method comprises the following steps:
(1) To prepare fulvic acid solution
Adding mineral source fulvic acid and clear water into a reaction kettle according to the proportion of 1: 80-100 parts of potassium fulvate solution, wherein the extraction time is 2 hours, an extract is formed, then the extract is input into a centrifuge for filtration and centrifugation, impurities are separated, and the filtrate is the potassium fulvate solution;
(2) Preparing the fulvic acid selenium complex aqueous solution
Adding 5 parts of sodium selenite into the fulvic acid solution in the step (1), and continuously stirring for 120 minutes to fully dissolve the sodium selenite into the fulvic acid solution to obtain a fulvic acid selenium complex aqueous solution;
(3) Mixing other components
Mixing amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural penetration-promoting component, a surfactant and beneficial salt-resistant microorganisms into the fulvic acid selenium complex, adding the surfactant at the same time, and stirring for 30 minutes;
(4) Screening of impurities present internally in water-soluble fertilizers
Filtering the water-soluble fertilizer through a plurality of layers of filter screens to remove internal impurities, and performing graded filtration through the plurality of layers of filter screens;
(5) Improve the concentration of the water-soluble fertilizer
The water content in the water-soluble fertilizer is 45% -55% by evaporating the water in the water-soluble fertilizer after mixing, and the whole capacity is 1L.
In the step (1), a special water purifier is used for preparing distilled water, the higher the purity of the distilled water is, the better the effect is, the conductivity of the distilled water is required to be lower than 6 mu s/cm, and the pH value is 6.
The prepared product is diluted 250 times according to the mass ratio for use, the using amount per mu is 300ml, and the spraying times are 2 times.
The aperture of the filter screen used in the step 5 is 80-120 meshes, and the filtering times are not less than two times.
And 4, the pH value of the water-soluble fertilizer after water is mixed and evaporated is below 7, and the content of insoluble substances in the leaf surface water-soluble fertilizer is less than 0.35%.
In the step (3), the stirring is carried out in the same direction, the rotary stirring is carried out, other raw materials are added in sequence, the non-stop state is kept, the mixing is more uniform, the stirring speed is 55 revolutions per minute, and the temperature is kept at 85 ℃.
Example 3
Red date fulvic acid selenium-rich leaf surface water-soluble fertilizer for Xinjiang saline-alkali soil;
the selenium-rich water-soluble fulvic acid fertilizer comprises mineral fulvic acid, sodium selenite, amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural permeation promoting component, a surfactant and beneficial salt-resistant microbial bacteria, wherein the raw materials comprise the following components in parts by weight:
18 parts of mineral fulvic acid, 10 parts of sodium selenite, 5 parts of amino acid, 30 parts of monopotassium phosphate, 8 parts of enzyme preparation, 6 parts of boric acid, 10 parts of zinc sulfate, 0.5 part of trace element supplement, 0.1 part of plant natural permeation promoting component, 0.85 part of surfactant and 0.8 part of beneficial salt-resistant microorganism bacteria.
The microelement supplement mainly comprises elemental substances containing iron, zinc, vanadium, cobalt and the like and agricultural rare earth.
The plant natural penetration promoting component is plant extract saponin, specifically mixture of saponin, tea saponin, and tea polyphenol.
The organic fertilizer mixture comprises two or more of monopotassium phosphate, urea, calcium phosphate and ammonium phosphate in equal amount, and is specifically prepared by mixing urea and calcium phosphate, wherein the main component of the surfactant is an acetylene glycol surfactant.
The preparation method comprises the following steps:
(1) Preparing fulvic acid solution
Adding mineral fulvic acid and clean water into a reaction kettle according to the proportion of 1 to 4, heating to 85 ℃, then adding an extracting agent, preserving heat and stirring, wherein the proportion of the extracting agent to the mineral matter rich in fulvic acid is 10 parts: 85 parts, extracting for 1.5 hours to form an extract, then inputting the extract into a centrifuge for filtration and centrifugation to separate out impurities, wherein the filtrate is a potassium fulvate solution;
(2) Preparing the fulvic acid selenium complex aqueous solution
Adding 5 parts of sodium selenite into the fulvic acid solution in the step (1), and continuously stirring for 110 minutes to fully dissolve the sodium selenite into the fulvic acid solution to obtain a fulvic acid selenium complex aqueous solution;
(3) Mixing other components
Mixing and mixing amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture and a plant natural penetration-promoting component in the fulvic acid selenium complex, simultaneously adding a surfactant and beneficial salt-resistant microorganisms, and fully and uniformly mixing by stirring for 25 minutes;
(4) Screening of impurities present internally in water-soluble fertilizers
Filtering the water-soluble fertilizer through a plurality of layers of filter screens to remove internal impurities, and performing graded filtration through the plurality of layers of filter screens;
(5) Improve the concentration of the water-soluble fertilizer
By evaporating the water in the mixed water-soluble fertilizer, the water content in the water-soluble fertilizer is 45-55%, and the whole capacity is 1L.
In the step (1), a special water purifier is used for preparing distilled water, the higher the purity of the distilled water is, the better the effect is, the conductivity of the distilled water is required to be lower than 6 mu s/cm, and the pH value is 5.
The prepared product is diluted by 150 times according to the mass ratio for use, the using amount per mu is 250ml, and the spraying times are 3 times.
The aperture of the filter screen used in the step 5 is 80-120 meshes, and the filtering times are not less than two times
And 4, the pH value of the water-soluble fertilizer after water is mixed and evaporated is below 7, and the content of insoluble substances in the leaf surface water-soluble fertilizer is less than 0.35%.
And (3) stirring in the step (3) to ensure that the rotary stirring is carried out in the same direction, other raw materials are sequentially added while the non-stop state is kept, so that the mixing is ensured to be more uniform, the stirring speed is 60 revolutions per minute, and the temperature is kept at 80 ℃.
Example 4
A red date fulvic acid selenium-rich foliage water-soluble fertilizer for saline-alkali soil in Xinjiang,
the fulvic acid water-soluble fertilizer comprises mineral fulvic acid, sodium selenite, amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural permeation-promoting component, a surfactant and beneficial salt-resistant microorganisms, wherein the raw materials comprise the following components in parts by weight:
18 parts of mineral fulvic acid, 10 parts of sodium selenite, 20 parts of amino acid, 35 parts of monopotassium phosphate, 6 parts of enzyme preparation, 8 parts of boric acid, 6 parts of zinc sulfate, 2.5 parts of trace element supplement, 1.2 parts of plant natural permeation promoting component, 1 part of surfactant and 1 part of beneficial salt-resistant microorganism bacteria.
The microelement supplement mainly comprises elements such as iron, zinc, copper, titanium, chromium, vanadium, cobalt and the like and agricultural rare earth.
The plant natural penetration promoting component is plant extract saponin, specifically mixture of saponin, tea saponin, and tea polyphenol.
The organic fertilizer mixture comprises two or more of monopotassium phosphate, urea, calcium phosphate and ammonium phosphate in equal amount, preferably prepared by mixing urea, monopotassium phosphate and calcium phosphate, and the main component of the surfactant is an acetylenic diol surfactant.
The preparation method comprises the following steps:
(1) To prepare fulvic acid solution
Adding mineral source fulvic acid and clear water into a reaction kettle according to the proportion of 1.5, heating to 80 ℃, then adding an extracting agent, preserving heat and stirring, wherein the proportion of the extracting agent to the mineral rich in fulvic acid is 10 parts: 95 parts of fulvic acid solution, wherein the extraction time is 1.5 hours, an extract is formed, and then the extract is input into a centrifuge for filtration and centrifugation to separate out impurities, wherein the filtrate is fulvic acid solution;
(2) Preparing the fulvic acid selenium complex aqueous solution
Adding 5 parts of sodium selenite into the fulvic acid solution in the step (1), and continuously stirring for 100 minutes to fully dissolve the sodium selenite into the fulvic acid solution to obtain a fulvic acid selenium complex aqueous solution;
(3) Mixing other components
Mixing amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture and a plant natural permeation-promoting component into the fulvic acid selenium complex, adding a surfactant and beneficial salt-resistant microorganisms simultaneously, and stirring for 15 minutes;
(4) Screening impurities present inside water-soluble fertilizer
Filtering the water-soluble fertilizer through a plurality of layers of filter screens to remove internal impurities, and performing graded filtration through the plurality of layers of filter screens;
(5) Increase the concentration of water-soluble fertilizer
By evaporating the water in the mixed water-soluble fertilizer, the water content in the water-soluble fertilizer is 45-55%, and the whole capacity is 1L.
In the step (1), a special water purifier is used for preparing distilled water, the higher the purity of the distilled water is, the better the effect is, the conductivity of the distilled water is required to be lower than 6 mu s/cm, and the pH value is between 5.
The prepared product is diluted by 120 times according to the mass ratio for use, the using amount per mu is 220ml, and the spraying times are 3 times.
The aperture of the filter screen used in the step 5 is 80-120 meshes, and the filtering times are not less than two times.
And 4, the pH value of the water-soluble fertilizer after water is mixed and evaporated is below 7, and the content of insoluble substances in the leaf surface water-soluble fertilizer is less than 0.35%.
In the step (3), the stirring is carried out in the same direction, the rotary stirring is carried out, other raw materials are added in sequence, the non-stop state is kept, the mixing is more uniform, the stirring speed is 50 revolutions per minute, and the temperature is kept at 70 ℃.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The selenium-rich leaf surface water-soluble fertilizer containing red date fulvic acid for the Xinjiang saline-alkali soil is characterized in that:
the fulvic acid water-soluble fertilizer comprises mineral fulvic acid, sodium selenite, amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural permeation-promoting component, a surfactant and beneficial salt-resistant microorganisms, wherein the raw materials comprise the following components in parts by weight:
5-25 parts of mineral fulvic acid, 1-15 parts of sodium selenite, 5-20 parts of amino acid, 10-35 parts of monopotassium phosphate, 2-8 parts of enzyme preparation, 5-10 parts of boric acid, 5-10 parts of zinc sulfate, 0.5-5 parts of trace element supplement, 0.1-2 parts of plant natural permeation-promoting component, 0.5-1 part of surfactant and 0.5-1 part of beneficial salt-resistant microorganism bacterium.
2. The selenium-rich foliar water-soluble fertilizer containing red date fulvic acid for Xinjiang saline-alkali soil according to claim 1, which is characterized in that: the microelement supplement mainly comprises elemental substances containing iron, zinc, copper, titanium, chromium, vanadium, cobalt and the like and agricultural rare earth.
3. The selenium-rich foliar water-soluble fertilizer containing red date fulvic acid for Xinjiang saline-alkali soil according to claim 1, which is characterized in that: the plant natural penetration promoting component is plant extract saponin substances, and is at least one of saponin, tea saponin and tea polyphenol.
4. The red date fulvic acid selenium-rich foliar water-soluble fertilizer for Xinjiang saline-alkali soil according to claim 1, which is characterized in that: the organic fertilizer mixture comprises two or more of monopotassium phosphate, urea, calcium phosphate and ammonium phosphate in equal amount, preferably prepared by mixing urea and monopotassium phosphate, and the main component of the surfactant is an acetylenic diol surfactant.
5. The preparation method of the red date fulvic acid selenium-rich foliar water-soluble fertilizer for Xinjiang saline-alkali soil according to claim 1, which is characterized by comprising the following steps: the preparation method comprises the following steps:
(1) Preparing fulvic acid solution
Adding mineral fulvic acid and clean water into a reaction kettle according to the proportion of 1-3-5, heating to 80-90 ℃, then adding an extracting agent, preserving heat and stirring, wherein the proportion of the extracting agent to mineral substances rich in fulvic acid is 10 parts: 80-100 parts of fulvic acid solution, extracting for 1.5-2 hours to form an extract, and then inputting the extract into a centrifuge for filtration and centrifugation to separate impurities, wherein the filtrate is fulvic acid solution;
(2) Preparing the fulvic acid selenium complex aqueous solution
Adding 5 parts of sodium selenite into the fulvic acid solution in the step (1), and continuously stirring for 90-120 minutes to fully dissolve the sodium selenite into the fulvic acid solution to obtain a fulvic acid selenium complex aqueous solution;
(3) Mixing other components
Mixing and mixing amino acid, an enzyme preparation, boric acid, zinc sulfate, a trace element supplement, an organic fertilizer mixture, a plant natural penetration-promoting component, a surfactant and beneficial salt-resistant microorganisms into the fulvic acid selenium complex, adding the surfactant at the same time, and stirring for uniformly and fully mixing for not less than 30 minutes;
(4) Screening of impurities present internally in water-soluble fertilizers
Filtering the water-soluble fertilizer through a plurality of layers of filter screens to remove internal impurities, and performing graded filtration through the plurality of layers of filter screens;
(5) Improve the concentration of the water-soluble fertilizer
The water content in the water-soluble fertilizer is 45% -55% by evaporating the water in the water-soluble fertilizer after mixing, and the whole capacity is 1L.
6. The preparation method of the red date fulvic acid selenium-rich foliar water-soluble fertilizer for Xinjiang saline-alkali soil according to claim 5, which is characterized by comprising the following steps: in the step (1), a special water purifier is used for preparing distilled water, the higher the purity of the distilled water is, the better the effect is, the conductivity of the distilled water is required to be lower than 6 mu s/cm, and the pH value is between 5 and 6.
7. The preparation method of the red date fulvic acid selenium-rich foliar water-soluble fertilizer for Xinjiang saline-alkali soil according to claim 5, which is characterized by comprising the following steps: the prepared product is diluted by 100-300 times according to the mass ratio for use, the using amount per mu is 200-300ml, and the spraying times are 1-3.
8. The preparation method of the red date fulvic acid selenium-rich foliar water-soluble fertilizer for the Xinjiang saline-alkali soil according to claim 5, which is characterized by comprising the following steps: the aperture of the filter screen used in the step 5 is 80-120 meshes, and the filtering times are not less than two times.
9. The preparation method of the red date fulvic acid selenium-rich foliar water-soluble fertilizer for Xinjiang saline-alkali soil according to claim 5, which is characterized by comprising the following steps: and 4, the pH value of the water-soluble fertilizer after the water is mixed and evaporated in the step 4 is below 7, and the content of insoluble substances in the water-soluble fertilizer for the leaf surfaces is less than 0.35%.
10. The preparation method of the red date fulvic acid selenium-rich foliar water-soluble fertilizer for the Xinjiang saline-alkali soil according to claim 5, which is characterized by comprising the following steps: in the step (3), the stirring is carried out in the same direction, the other raw materials are added in sequence, the non-stop state is kept, the mixing is more uniform, the stirring speed is 40-60 r/min, and the temperature is kept at 70-90 ℃.
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| CN116496120A (en) * | 2023-03-31 | 2023-07-28 | 新疆益果生物科技有限责任公司 | Ferrous alginate leaf surface water-soluble fertilizer for walnut in Xinjiang saline-alkali soil and preparation method |
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| CN110028348A (en) * | 2019-03-22 | 2019-07-19 | 王新勇 | A kind of efficient fulvic acid microelement type foliar fertilizer being applicable in jujube and preparation method |
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| CN116496120A (en) * | 2023-03-31 | 2023-07-28 | 新疆益果生物科技有限责任公司 | Ferrous alginate leaf surface water-soluble fertilizer for walnut in Xinjiang saline-alkali soil and preparation method |
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