CN110550988A - Complexing product of mineral humic acid and inorganic salt fertilizer and preparation method thereof - Google Patents
Complexing product of mineral humic acid and inorganic salt fertilizer and preparation method thereof Download PDFInfo
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- CN110550988A CN110550988A CN201910901461.9A CN201910901461A CN110550988A CN 110550988 A CN110550988 A CN 110550988A CN 201910901461 A CN201910901461 A CN 201910901461A CN 110550988 A CN110550988 A CN 110550988A
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- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
Abstract
The invention discloses a complex product of mineral humic acid and inorganic salt fertilizer and a preparation method thereof. The mass contents of the components of the complex product are respectively as follows: 450-650 g/L of effective components of the fertilizer, 30-40 g/L of effective components of mineral source humic acid, 2-5 g/L of effective components of a medium element fertilizer, 1-2 g/L of effective components of a trace element fertilizer, 0.1-0.5 g/L of effective components of a beneficial element fertilizer, and the balance of modifier and complexing agent. According to the invention, through the improvement of mineral humic acid and the complexation of metal ions in inorganic salt and trace elements, the probability of flocculation during the dissolution of the product is greatly reduced or the flocculation time is delayed, and the industrial problem that drip irrigation cannot be carried out by adding the mineral humic acid into the product is solved; meanwhile, the complex product can promote the root system development of crops, improve the quality of the crops and obviously increase the yield of the crops.
Description
Technical Field
The invention belongs to the field of water-soluble fertilizers, and particularly relates to a complex product of mineral humic acid and an inorganic salt fertilizer and a preparation method thereof.
Background
Water-soluble fertilizer product of mineral source humic acid and inorganic salt fertilizer production in the market, water and fertilizer integration can both be accomplished in the propaganda, can implement and drip irrigation, but the mineral source humic acid-containing water-soluble fertilizer of most enterprise production, what adopt is simple blending process, be about to the raw materials of different components and mix together after smashing, then add the final finished product of a certain amount of mineral source humic acid, the peasant household all has the pipe blocking phenomenon at the in-process discovery of using in a large number, bring very inconvenience for production operation, additionally increased intensity of labour, also cause the utilization ratio of fertilizer low. At present, the mineral humic acid which is anti-flocculation is also appeared on the market, but the mineral humic acid also has the flocculation problem when being produced with inorganic salt fertilizer. The problem of flocculation caused by mixing mineral humic acid with inorganic salt fertilizer has been a problem in the fertilizer industry.
Disclosure of Invention
in order to overcome the defects of the prior art, the invention aims to provide a complex product of mineral humic acid and inorganic salt fertilizer, which greatly delays the flocculation time and conforms to the modes of drip irrigation, spray irrigation, tank infiltration and the like.
the invention also aims to provide a preparation method of the complex product of the mineral humic acid and the inorganic salt fertilizer.
In order to achieve the purpose, the invention adopts the following technical scheme:
The invention provides a complex product of mineral humic acid and inorganic salt fertilizer, which comprises the following components in percentage by mass:
12-15 g/L of modifier, which is one or more of yeast powder, potassium hydroxide and dicyandiamide;
8-12 g/L of complexing agent, which is one or more of diamine tetraacetic acid, IDS and potassium citrate.
Further, in the complex product, the mass content of the effective components of the fertilizer is preferably 600 g/L; the mass content of the active ingredients of the mineral humic acid is preferably 40 g/L; in the effective components of the secondary element fertilizer, the mass content of any one of the sulfur and magnesium is 3 g/L; in the effective components of the trace element fertilizer, the mass content of any one of boron, zinc, copper, manganese, molybdenum and iron is 2 g/L; in the active ingredients of the beneficial element fertilizer, the mass content of any one of the silicon and the selenium is not less than 0.2 g/L.
Further, the modifying agent is preferably potassium hydroxide.
Further, the complexing agent is preferably diamine tetraacetic acid (EDTA) and/or IDS.
Further, the fertilizer effective components are nitrogen element, phosphorus element and potassium element which are required for providing plants with growth, and N, P2O5 and K2O are respectively from nitrogen fertilizer, phosphate fertilizer and potassium fertilizer; wherein the nitrogen fertilizer is one or more of UNA, urea, ammonium chloride, ammonium bicarbonate, melamine, ammonium nitrate, calcium nitrate and ammonium sulfate; the phosphate fertilizer is one or more of monoammonium phosphate, diammonium phosphate, ammonium polyphosphate, monopotassium phosphate, dipotassium phosphate and nitrophosphate; the potassium fertilizer is one or more of potassium sulfate, potassium chloride, potassium nitrate, potassium phosphate and dipotassium hydrogen phosphate.
Further, the active ingredients of the mineral humic acid are one or more of fulvic acid, fulvic acid and ulmic acid, and are selected from one or more of nitro humic acid, potassium fulvate and sodium fulvate.
Further, the effective components of the secondary element fertilizer come from the secondary element fertilizer; the secondary element fertilizer is a sulfur fertilizer and a magnesium fertilizer which are used for providing sulfur and magnesium needed by the growth of plants; wherein the sulfur fertilizer is one or more of ammonium sulfate, magnesium sulfate and potassium sulfate; the magnesium fertilizer is one or more of magnesium nitrate, magnesium sulfate, magnesium chloride, potash magnesium fertilizer, magnesium ammonium phosphate and magnesite.
further, the effective component of the microelement fertilizer is one or more of boron element, zinc element, copper element, manganese element, molybdenum element and iron element which are required by the growth of the plants and come from the microelement fertilizer; the trace element fertilizer is selected from one or more of boron fertilizer, zinc fertilizer, copper fertilizer, manganese fertilizer, molybdenum fertilizer and iron fertilizer; wherein the boron fertilizer is one or more of boric acid, borax, boron magnesium fertilizer, boron-containing calcium superphosphate and boron-containing glass fertilizer; the zinc fertilizer is one or more of zinc nitrate, zinc sulfate, zinc chloride, zinc oxide, zinc carbonate and chelated zinc; the copper fertilizer is one or more of copper sulfate, copper chloride, cuprous oxide, copper nitrate, copper carbonate, copper ammonium phosphate and chelated copper; the manganese fertilizer is one or more of manganese sulfate, manganese nitrate, manganese chloride, manganese oxide, manganese carbonate and chelated manganese; the molybdenum fertilizer is one or more of sodium molybdate, calcium molybdate, ammonium molybdate, molybdenum trioxide and molybdenum-containing glass fertilizer; the iron fertilizer is one or more of ferric sulfate, ferrous sulfate, ammonium ferric phosphate and chelated iron.
Furthermore, the effective components of the beneficial element fertilizer are silicon element and selenium element which are required by the growth of the plants and come from the beneficial element fertilizer; the beneficial element fertilizer is selected from a silicon fertilizer and a selenium fertilizer; wherein the silicon fertilizer is one or more of calcium silicate, sodium silicate and fly ash; the selenium fertilizer is selenate and/or selenite.
Further, the complex product comprises three types of high nitrogen type, equilibrium type and high potassium type;
in the high-nitrogen type complex product, the content of the effective components of the fertilizer is as follows: 400g/L of nitrogenous fertilizer, 150g/L of phosphate fertilizer and 50g/L of potash fertilizer; the content of active ingredients of mineral humic acid is 40 g/L; the effective component contents of the secondary elements are as follows: 10g/L of sulfur fertilizer and 10g/L of magnesium fertilizer; the active ingredient contents of the trace elements are as follows: 3.5g/L of boron fertilizer, 4.0g/L of zinc fertilizer, 4.0g/L of copper fertilizer, 3.0g/L of iron fertilizer, 2.0g/L of manganese fertilizer and 1.0g/L of molybdenum fertilizer; the beneficial element content is as follows: 0.3g/L of silicon fertilizer and 0.2g/L of selenium fertilizer;
in the balanced complex product, the content of the effective components of the fertilizer is as follows: 210g/L of nitrogenous fertilizer, 210g/L of phosphate fertilizer and 210g/L of potash fertilizer; the content of active ingredients of mineral humic acid is as follows: 40 g/L; the effective component contents of the secondary elements are as follows: 15g/L of sulfur fertilizer and 15g/L of magnesium fertilizer; the active ingredient contents of the trace elements are as follows: 5.0g/L of boron fertilizer, 3.0g/L of zinc fertilizer, 2.0g/L of copper fertilizer, 3.0g/L of iron fertilizer, 1.5g/L of manganese fertilizer and 0.5g/L of molybdenum fertilizer; the beneficial element component content is: 0.3g/L of silicon fertilizer and 0.2g/L of selenium fertilizer;
In the high-nitrogen type complex product, the content of the effective components of the fertilizer is as follows: 150g/L of nitrogenous fertilizer, 50g/L of phosphate fertilizer and 400g/L of potash fertilizer; the content of active ingredients of mineral humic acid is as follows: 40 g/L; the effective component contents of the secondary elements are as follows: 20g/L of sulfur fertilizer and 20g/L of magnesium fertilizer; the active ingredient contents of the trace elements are as follows: 3.0g/L of boron fertilizer, 2.0g/L of zinc fertilizer, 2.0g/L of copper fertilizer, 2.0g/L of iron fertilizer, 1.0g/L of manganese fertilizer and 0.5g/L of molybdenum fertilizer; the beneficial element component content is: 0.3g/L of silicon fertilizer and 0.2g/L of selenium fertilizer.
The invention provides a preparation method of a mineral humic acid and inorganic salt fertilizer complex product, which comprises the following steps:
1) preparing 20-25 wt% mineral humic acid solution (one or more selected from nitro humic acid, potassium fulvate and sodium fulvate) in a storage tank, adding modifier (one or more selected from yeast powder, potassium hydroxide and dicyandiamide) in an amount of 12-15 wt% of the solution into the storage tank, heating to 42-50 deg.C, stirring for 24-36 hr;
2) putting 15-18% of liquid N fertilizer (one or more selected from UNA, mixed solution of ammonium nitrate and ammonium sulfate, ammonium chloride liquid and liquid ammonium bicarbonate) into a storage tank, adding 45-66% of high-content N fertilizer (one or more selected from urea and melamine), 8.0-9.5% of modifying agent and 6-8% of complexing agent (one or more selected from diamine tetraacetic acid, IDS and potassium citrate) into the storage tank, controlling the temperature at 40-55 ℃, stirring to ensure that the solution is not crystallized and does not precipitate, and standing for use after 24-36 hours;
3) 20-25% of phosphate fertilizer, 30-35% of potash fertilizer, 6-8% of complexing agent and prepared medium trace elements (in order to be suitable for the growth of crops, several medium trace elements are prepared according to a certain proportion according to the related knowledge of plant nutrition and agro-chemistry) are respectively and sequentially added into a complexer for fully mixing and complexing.
4) adding the N fertilizer treated in the step 2) into a complexer, and further mixing and complexing; after 1.5-2 hours, adding the mineral humic acid solution improved in the step 1) into a complexer for further improving complexation; after 1-1.5 hours, the solid-liquid mixture in the complexant is dispersed by a grinding disperser to obtain the finished product.
Further, in the step 3), in order to be suitable for the growth of crops, according to the related knowledge of plant nutrition and agro-chemistry, the magnesium and the sulfur are mixed according to the ratio of 2: 1 or 2: 2, preparing; the medium trace elements are selected from one or more of ammonium sulfate, potassium sulfate, magnesium nitrate, magnesium sulfate, magnesium chloride, potash magnesium fertilizer, magnesium ammonium phosphate, magnesite, boric acid, borax, boron magnesium fertilizer, boron-containing superphosphate, boron-containing glass fertilizer, copper sulfate, copper chloride, cuprous oxide, copper nitrate, copper carbonate, ammonium copper phosphate, chelated copper, zinc nitrate, zinc sulfate, zinc chloride, zinc oxide, zinc carbonate, chelated zinc, sodium molybdate, calcium molybdate, ammonium molybdate, molybdenum trioxide, molybdenum-containing glass fertilizer, manganese sulfate, manganese nitrate, manganese chloride, manganese oxide, manganese carbonate, chelated manganese, ferric sulfate, ferrous sulfate, ferric ammonium phosphate and chelated iron. The magnesium and the sulfur are mixed according to the proportion of 2: 1 or 2: 2.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the improvement of mineral humic acid and the complexation of metal ions in inorganic salt and trace elements, the probability of flocculation during the dissolution of the product is greatly reduced or the flocculation time is delayed, and the industrial problem that drip irrigation cannot be carried out by adding the mineral humic acid into the product is solved; meanwhile, the complex product can promote the root system development of crops, improve the quality of the crops and obviously increase the yield of the crops.
Detailed Description
in the complexing product provided by the invention, the mineral humic acid is physically improved by the modifier in the early stage, the complexing agent is added in the production feeding process and is conveyed into the complexing device for mixing and complexing, inorganic salt and metal ions in the effective components are chelated to form a chelated substance, so that the flocculation time of the product is greatly delayed (no flocculate exists in 36 hours after the finished product is dissolved, and the sample is left for tracking for 2 years), and the method conforms to the modes of drip irrigation, spray irrigation, tank infiltration and the like.
the invention not only solves the problem that the water soluble fertilizer produced by mineral humic acid and inorganic salt fertilizer is not suitable for drip irrigation after flocculation after dissolution, but also leads the mineral humic acid to act on the soil, stimulates the growth and the propagation of beneficial microorganisms in the soil, promotes the formation of soil aggregates, improves the structural condition of the soil, leads the soil to have good ventilation and water permeability and reduces the pH value of saline-alkali soil. The humic acid has the capability of fixing nitrogen, decomposing phosphate and fixing potassium, so the humic acid can promote the absorption of the crops to nitrogen, phosphorus and potassium, and has synergistic effect on nitrogen fertilizers, phosphate fertilizers and potassium fertilizers. In addition, from the perspective of agricultural application, humic acid also has strong drought resistance, disease resistance, low temperature resistance and salt stain resistance.
The complexing product of mineral humic acid and inorganic salt fertilizer provided by the invention contains, by mass, 450-650 g/L of fertilizer effective component, 30-40 g/L of mineral humic acid effective component, 2-5 g/L of medium element fertilizer effective component, 1-2 g/L of trace element fertilizer effective component, 0.1-0.5 g/L of beneficial element fertilizer effective component, and the balance of modifier and complexing agent. The modifier is one or more of yeast powder, potassium hydroxide and dicyandiamide. The complexing agent is one or more of diamine tetraacetic acid, IDS and potassium citrate.
the complex product is designed into a high-nitrogen type, a balanced type and a high-potassium type, provides a whole set of solution for the nutrition of crops, facilitates the reasonable selection of farmers in different periods of crop growth, is rich in secondary elements S and Mg besides major elements of nitrogen, phosphorus and potassium required by crops, plays an important role in the formation process of amino acid protein, and has great influence on the synthesis of crop protein, oil, vitamin and glucose. S is also an essential component for the synthesis of certain celluloses and the formation of chlorophyll. S not only can improve the protein content, but also can improve the quality of crops, and can enhance the cold-resisting and drought-resisting capabilities of the crops. Mg is a composition of chlorophyll, an activator of various enzymes promotes the growth and development of crops, and also participates in the synthesis of fat and protein, the biosynthesis of DNA and RNA, the biosynthesis of Va and Vc and the improvement of the quality of crops.
The trace elements of boron, zinc, copper, manganese, molybdenum and iron have little content in plants, but the function of the trace elements is as important as that of the major elements, and the trace elements are indispensable and irreplaceable for maintaining the normal development of crops. Most trace elements are part of certain plant enzymes; participating in metabolic activity in crops; participating in photosynthesis; closely related to chlorophyll synthesis and oxidation reduction in crops; can promote the normal development of the reproductive organs of the crops; promoting nitrogen fixation, etc. Silicon is a beneficial element of plants and is a component of cell walls of the plants, so that the thickness and the mechanical strength of the cell walls can be enhanced, the transpiration is reduced, the lodging resistance and the disease resistance are enhanced, and the photosynthesis is promoted. Selenium is a necessary nutrient element for plants, can improve the yield and quality of crops, regulate and control photosynthesis and respiration, resist free radical damage in plants, improve the stress resistance of the plants and enhance antagonism.
The complex product contains a certain amount of relatively comprehensive trace elements and beneficial elements, is in the same fertilizer system with other components, and the components interact and cooperate with each other under the action of humic acid and an auxiliary agent, so that the fertilizer efficiency is enhanced, the product not only has the function of promoting nitrogen fixation and normal development of reproductive organs of crops, but also can enhance the thickness and mechanical strength of cell walls, reduce transpiration, enhance lodging resistance, disease resistance and stress resistance and enhance antagonism.
The fertilizer active ingredients in the high-nitrogen type complex product are as follows: 400g/L of nitrogenous fertilizer, 150g/L of phosphate fertilizer and 50g/L of potash fertilizer (the fertilizer is selected from UNA, urea, ammonium chloride, ammonium bicarbonate, melamine, ammonium nitrate, calcium nitrate, ammonium sulfate, monoammonium phosphate, diammonium phosphate, ammonium polyphosphate, monopotassium phosphate, dipotassium hydrogen phosphate, nitrophosphate fertilizer, potassium sulfate, potassium chloride, potassium nitrate, potassium phosphate and dipotassium hydrogen phosphate so as to meet the requirements of 400g/L of nitrogenous fertilizer, 150g/L of phosphate fertilizer and 50g/L of potash fertilizer in a high-nitrogen type complex product).
The content of humic acid in the high-nitrogen complex product is 40g/L (proper humic acid is selected from nitro humic acid, potassium fulvate and sodium fulvate).
The high-nitrogen complex product contains the following effective components: 10g/L of sulfur fertilizer and 10g/L of magnesium fertilizer (the medium element fertilizer suitable for the product is selected from medium element fertilizers such as ammonium persulfate, magnesium sulfate, potassium sulfate, magnesium nitrate, magnesium chloride, potash magnesium fertilizer, magnesium ammonium phosphate and magnesite).
The high-nitrogen type complex product contains the following trace element effective components: 3.5g/L of boron fertilizer, 4.0g/L of zinc fertilizer, 4.0g/L of copper fertilizer, 3.0g/L of iron fertilizer, 2.0g/L of manganese fertilizer and 1.0g/L of molybdenum fertilizer (trace element fertilizer suitable for the product is selected from trace element fertilizers of boric acid, borax, boron-magnesium fertilizer, boron-containing calcium superphosphate, boron-containing glass fertilizer, zinc nitrate, zinc sulfate, zinc chloride, zinc oxide, zinc carbonate, chelated zinc, copper sulfate, copper chloride, cuprous oxide, copper nitrate, copper carbonate, ammonium copper phosphate, chelated copper, manganese sulfate, manganese nitrate, manganese chloride, manganese oxide, manganese carbonate, chelated manganese, sodium molybdate, calcium molybdate, ammonium molybdate, molybdenum trioxide, molybdenum-containing glass fertilizer, ferric sulfate, ferrous sulfate, ammonium ferric phosphate and chelated iron).
the high-nitrogen complex product has the beneficial elements: 0.3g/L of silicon fertilizer and 0.2g/L of selenium fertilizer (beneficial element fertilizer suitable for the product is selected from beneficial element fertilizers of calcium silicate, sodium silicate and fly ash, and the selenium fertilizer is selenate and selenite).
The balance type complex product contains the following fertilizer effective components: 210g/L of nitrogenous fertilizer, 210g/L of phosphate fertilizer and 210g/L of potash fertilizer; humic acid effective components: 40 g/L; effective components of secondary elements: 15g/L of sulfur fertilizer and 15g/L of magnesium fertilizer; effective components of trace elements: 5.0g/L of boron fertilizer, 3.0g/L of zinc fertilizer, 2.0g/L of copper fertilizer, 3.0g/L of iron fertilizer, 1.5g/L of manganese fertilizer and 0.5g/L of molybdenum fertilizer; beneficial element components: 0.3g/L of silicon fertilizer and 0.2g/L of selenium fertilizer.
The fertilizer active ingredients in the high-nitrogen type complex product are as follows: 150g/L of nitrogenous fertilizer, 50g/L of phosphate fertilizer and 400g/L of potash fertilizer; humic acid effective components: 40 g/L; effective components of secondary elements: 20g/L of sulfur fertilizer and 20g/L of magnesium fertilizer; effective components of trace elements: 3.0g/L of boron fertilizer, 2.0g/L of zinc fertilizer, 2.0g/L of copper fertilizer, 2.0g/L of iron fertilizer, 1.0g/L of manganese fertilizer and 0.5g/L of molybdenum fertilizer; beneficial element components: 0.3g/L of silicon fertilizer and 0.2g/L of selenium fertilizer.
The preparation steps of the complex product are as follows: (the percentages used below are percentages by mass)
1) Preparing 20-25% humic acid solution in a storage tank, adding modifier (one or more selected from yeast powder, potassium hydroxide and dicyandiamide) 12-15% of the solution weight into the storage tank, heating to 42-50 deg.C, stirring, and standing for 24-36 hr.
2) Adding 15-18% of liquid N fertilizer into a storage tank according to the formula, adding high-content 45-66% of N fertilizer, 8.0-9.5% of modifying agent and 6-8% of complexing agent (one or more selected from diamine tetraacetic acid, IDS and potassium citrate) into the storage tank, controlling the temperature at 40-55 ℃, stirring to ensure that the solution is not crystallized and does not precipitate, and standing for 24-36 hours.
3) 20-25% of phosphate fertilizer, 30-35% of potash fertilizer, 6-8% of complexing agent and prepared medium and trace elements (in order to be suitable for the growth of crops, several medium and trace elements are prepared according to a certain proportion according to the knowledge related to plant nutrition and agriculture and chemical) are respectively added into a complexer in sequence for fully mixing and complexing.
4) Adding the treated liquid N fertilizer into a complexer according to a formula, and further mixing and complexing; after 1.5-2 hours, adding the improved humic acid solution into a complexer according to a formula to further improve complexation; after 1-1.5 hours, the solid-liquid mixture in the complexant is dispersed by a 2-stage grinding disperser to obtain the finished product.
The complex products described in examples 1, 2 and 3 were prepared by the above-mentioned preparation methods.
example 1
The preparation method of the high-nitrogen type complex product comprises the following steps:
1) Preparing 20-25% of humic acid solution by mass percent in a storage tank, selecting nitrohumic acid, potassium fulvate and sodium fulvate, adding yeast powder, potassium hydroxide and dicyandiamide into the storage tank, wherein the yeast powder, the potassium hydroxide and the dicyandiamide are 12-15% of the solution by weight, heating to 42-50 ℃, stirring, and standing for 24-36 hours;
2) Preparing UNA solution with nitrogen content of 32% with ammonium nitrate and urea, adding modifier (one or more of yeast powder, potassium hydroxide and dicyandiamide) 8.0-9.5%; and 6-8% complexing agent diamine tetraacetic acid, IDS and potassium citrate, controlling the temperature at 40-55 ℃, stirring to ensure that the solution is not crystallized and does not precipitate, and standing for use after 24-36 hours;
3) Fully mixing 200-240g of ammonium sulfate, 60-80g of industrial monoammonium phosphate, 30-50g of potassium chloride, 80-100g of potassium sulfate, 80-100g of magnesium nitrate, 60-80g of magnesium sulfate, 15-20g of borax, 8-10g of zinc nitrate, 3-5g of ammonium molybdate and 8-10g of ferrous sulfate in a complexer; respectively adding 20-25% of phosphate fertilizer, 30-35% of potash fertilizer, 6-8% of complexing agent and prepared medium trace elements into a complexer in sequence for full mixing and complexing;
4) Adding 550g of 500-550 liquid N fertilizer treated in the step 2) into a complexer, and further mixing and complexing; after 1.5-2 hours, adding 400g of the humic acid solution improved in the step 1) into a complexator by a dosage of 360-; after 1 hour, the solid-liquid mixture in the complexant is dispersed by a 2-stage grinding disperser to obtain the finished product.
example 2
an equilibrium complex product is prepared by the following steps:
1) Preparing 20-25% of humic acid solution by mass percent in a storage tank, selecting nitrohumic acid, potassium fulvate and sodium fulvate, adding yeast powder, potassium hydroxide and dicyandiamide into the storage tank, wherein the yeast powder, the potassium hydroxide and the dicyandiamide are 12-15% of the solution by weight, heating to 42-50 ℃, stirring, and standing for 24-36 hours;
2) Preparing UNA solution with nitrogen content of 32% with ammonium nitrate and urea, adding modifier (one or more of yeast powder, potassium hydroxide and dicyandiamide) 8.0-9.5%; and 6-8% complexing agent IDS, diamine tetraacetic acid and potassium citrate, controlling the temperature at 40-55 ℃, stirring to ensure that the solution is not crystallized and does not precipitate, and standing for use after 24-36 hours;
3) Fully mixing 150-180g of ammonium sulfate, 160-170g of industrial monoammonium phosphate, 150-180g of potassium chloride, 400-430g of potassium sulfate, 100-120g of magnesium nitrate, 60-80g of magnesium sulfate, 15-20g of borax, 8-10g of zinc nitrate, 3-5g of ammonium molybdate and 8-10g of ferrous sulfate in a complexer; respectively adding 20-25% of phosphate fertilizer, 30-35% of potash fertilizer, 6-8% of complexing agent and prepared medium trace elements into a complexer in sequence for full mixing and complexing;
4) adding 650g of 600-650 liquid N fertilizer treated in the step 2) into a complexer for further mixing and complexing; after 1.5-2 hours, adding 380-420g of humic acid solution modified in the step 1) into a complexer for further improving complexation; after 1 hour, the solid-liquid mixture in the complexant is dispersed by a 2-stage grinding disperser to obtain the finished product.
The preparation process of the complex product 210-:
1. Fully mixing 150-180g of ammonium sulfate, 160-170g of industrial monoammonium phosphate, 150-180g of potassium chloride, 400-430g of potassium sulfate, 100-120g of magnesium nitrate, 60-80g of magnesium sulfate, 15-20g of borax, 8-10g of zinc nitrate, 3-5g of ammonium molybdate and 8-10g of ferrous sulfate in a complexer;
2. Preparing UNA solution with the nitrogen content of 32% by using ammonium nitrate and urea, and adding 600-650g of UNA solution into a complexer;
3. Metering 380-420g of improved 20-25% humic acid solution in a storage tank and adding the humic acid solution into a complexer;
4. after 1 hour, the finished product is obtained by a grinding dispersion machine.
example 3
The preparation method of the high-potassium complex product comprises the following steps:
1) preparing 20-25% of humic acid solution by mass percent in a storage tank, selecting nitrohumic acid, potassium fulvate and sodium fulvate, adding yeast powder, potassium hydroxide and dicyandiamide into the storage tank, wherein the yeast powder, the potassium hydroxide and the dicyandiamide are 12-15% of the solution by weight, heating to 42-50 ℃, stirring, and standing for 24-36 hours;
2) Preparing UNA solution with nitrogen content of 32% with ammonium nitrate and urea, adding modifier (one or more of yeast powder, potassium hydroxide and dicyandiamide) 8.0-9.5%; and 6-8% complexing agent IDS, diamine tetraacetic acid and potassium citrate, controlling the temperature at 40-55 ℃, stirring to ensure that the solution is not crystallized and does not precipitate, and standing for use after 24-36 hours;
3) Fully mixing 20-30g of ammonium sulfate, 80-100g of industrial monoammonium phosphate, 150-180g of potassium chloride, 600-630g of potassium sulfate, 100-120g of magnesium nitrate, 60-80g of magnesium sulfate, 15-20g of borax, 8-10g of zinc nitrate, 3-5g of ammonium molybdate and 8-10g of ferrous sulfate in a complexer; respectively adding 20-25% of phosphate fertilizer, 30-35% of potash fertilizer, 6-8% of complexing agent and prepared medium trace elements into a complexer in sequence for full mixing and complexing;
4) Adding 500g of 450-dose liquid N fertilizer treated in the step 2) into a complexer, and further mixing and complexing; after 1.5-2 hours, adding 450g of the humic acid solution improved in the step 1) into a complexator by metering 420-; after 1 hour, the solid-liquid mixture in the complexant is dispersed by a 2-stage grinding disperser to obtain the finished product.
150-50-400+ TE preparation process of the complex product:
1. fully mixing 20-30g of ammonium sulfate, 80-100g of industrial monoammonium phosphate, 150-180g of potassium chloride, 600-630g of potassium sulfate, 100-120g of magnesium nitrate, 60-80g of magnesium sulfate, 15-20g of borax, 8-10g of zinc nitrate, 3-5g of ammonium molybdate and 8-10g of ferrous sulfate in a complexer;
2. Preparing UNA solution with the nitrogen content of 32% by using ammonium nitrate and urea, and adding 500g of the UNA solution into a complexer by metering;
3. metering 420-450g of improved 20-25% humic acid solution in a storage tank and adding the solution into a complexer;
4. After 1 hour, the finished product is obtained by a grinding dispersion machine.
in production practice, the matching combination of the three products of example 1, example 2 and example 3 provides a complete crop fertilization solution throughout the whole crop growth process.
effect comparative example 1
1. Test materials:
Test equipment: a complete set of drip irrigation equipment of Lu plastic water-saving irrigation equipment Co., Ltd, Laiwu, Shandong province.
test products: the complex product 210-TE and the uncomplexed product 210-TE in example 2 of the invention are prepared by mixing and stirring 350g of urea 300-350g, 180g of ammonium sulfate 300-350150-g of industrial monoammonium phosphate 160-g, 180g of potassium chloride 150-180g, 430g of potassium sulfate 400-g, 120g of magnesium nitrate 100-60 g of magnesium sulfate, 15-20g of borax, 8-10g of zinc nitrate, 3-5g of ammonium molybdate, 8-10g of ferrous sulfate and 2000 g of water, and a macroelement water-soluble fertilizer 210-TE (commercially available, without adding mineral humic acid).
2. the test method comprises the following steps:
the experiment is established in Kjenhong agriculture development Co., Ltd, three greenhouse drip irrigation equipment sets. The experiment is carried out in two times in 3 and 16 days in 2018 and 6 and 3 days in 2018, and the weight, the drip irrigation time and the dilution times of the product are equal.
3. Results and analysis:
the results in table 1 show that the plugging rate of the complexing product of the invention is much lower than that of other products, so that the mineral humic acid-containing water-soluble fertilizer prepared by the improved humic acid, the complexed inorganic salt fertilizer and the metal ion fertilizer can solve the problem of flocculation caused by dissolution.
TABLE 1 drip irrigation status of various water soluble fertilizers
Comparative Effect example 2
1. Test materials:
Fertilizer to be tested: the base fertilizer is the balanced complexing product 210-210+ TE and the macroelement water-soluble fertilizer 210-210+ TE (sold in market) in the embodiment 2 of the invention, and the additional fertilizer is the high potassium complexing product 150-50-400+ TE and the macroelement water-soluble fertilizer 150-50-400+ TE (sold in market) in the embodiment 2 of the invention.
Test work: cucumber.
2. and (3) test treatment:
the experiment is set in Kyoho agricultural development Co., Ltd, in Juancheng, 2018, sowing is carried out in 7 months, picking starts in 17 days in 8 months, picking ends in 11 days in 9 months, and the fruits are picked 7 times in the whole growth period.
the cucumbers are planted in ridges according to the large and small row spacing, the ridge width is 70cm, the ridge spacing is 60cm, the plant spacing is 30cm, and 2 final seedlings are planted in each hole.
A total of 3 treatments were set: the invention relates to a complex product, a commercial macroelement water-soluble fertilizer and a blank.
spreading base fertilizer in the amount of 5 kg/mu before 7 months and 7 days; topdressing is carried out for 3 times in 29 days in 7 months, 17 days in 8 months and 24 days in 8 months, and the fertilizing amount is 5 kg/mu.
3. Results and analysis:
From tables 2, 3 and 4, it can be seen that the complex product of the invention can promote the development of crop root systems, provide guarantee for the later period of nutrient absorption of crops, and greatly improve the yield and quality of crops.
TABLE 2 Total dry weight, overground dry weight and root dry weight of different treatments
table 3 yield of different treated cucumbers
Table 4 yield of different treated cucumbers
The results show that through the improvement of the mineral humic acid and the complexation of the inorganic salt and the metal ions in the trace elements, the probability of flocculation during the dissolution of the product is greatly reduced or the flocculation time is delayed, and the industrial problem that the drip irrigation can not be carried out by adding the mineral humic acid into the product is solved; meanwhile, the complex product can promote the root system development of crops, improve the quality of the crops and obviously increase the yield of the crops.
The present invention is not limited to the above-described embodiments, and various changes and modifications of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (10)
1. The complexing product of mineral humic acid and inorganic salt fertilizer is characterized by comprising the following components in parts by mass:
12-15 g/L of modifier, which is one or more of yeast powder, potassium hydroxide and dicyandiamide;
8-12 g/L of complexing agent, which is one or more of diamine tetraacetic acid, IDS and potassium citrate.
2. The complex product of mineral humic acid and inorganic salt fertilizer as claimed in claim 1, wherein: in the complex product, the mass content of the effective components of the fertilizer is preferably 600 g/L; the mass content of the active ingredients of the mineral humic acid is preferably 40 g/L; in the effective components of the secondary element fertilizer, the mass content of any one of the sulfur and magnesium is 3 g/L; in the effective components of the trace element fertilizer, the mass content of any one of boron, zinc, copper, manganese, molybdenum and iron is 2 g/L; in the active ingredients of the beneficial element fertilizer, the mass content of any one of the silicon and the selenium is not less than 0.2 g/L.
3. The complex product of mineral humic acid and inorganic salt fertilizer as claimed in claim 1, wherein the fertilizer effective component is nitrogen element, phosphorus element and potassium element required for plant growth, comprising N, P 2 O5 and K2O respectively from nitrogen fertilizer, phosphorus fertilizer and potassium fertilizer, wherein the nitrogen fertilizer is one or more of UNA, urea, ammonium chloride, ammonium bicarbonate, melamine, ammonium nitrate, calcium nitrate and ammonium sulfate, the phosphorus fertilizer is one or more of monoammonium phosphate, diammonium phosphate, ammonium polyphosphate, potassium dihydrogen phosphate, dipotassium hydrogen phosphate and nitrophosphate fertilizer, and the potassium fertilizer is one or more of potassium sulfate, potassium chloride, potassium nitrate, potassium phosphate and dipotassium hydrogen phosphate.
4. The complex product of mineral humic acid and inorganic salt fertilizer as claimed in claim 1, wherein: the active ingredients of the mineral humic acid are one or more of fulvic acid, fulvic acid and ulmic acid, and are selected from one or more of nitrohumic acid, potassium fulvate and sodium fulvate.
5. the complex product of mineral humic acid and inorganic salt fertilizer as claimed in claim 1, wherein: the effective components of the secondary element fertilizer are sulfur element and magnesium element which are required by the growth of the plants and come from the secondary element fertilizer; the secondary element fertilizer is selected from a sulfur fertilizer and a magnesium fertilizer; wherein the sulfur fertilizer is one or more of ammonium sulfate, magnesium sulfate and potassium sulfate; the magnesium fertilizer is one or more of magnesium nitrate, magnesium sulfate, magnesium chloride, potash magnesium fertilizer, magnesium ammonium phosphate and magnesite.
6. The complex product of mineral humic acid and inorganic salt fertilizer as claimed in claim 1, wherein: the effective component of the microelement fertilizer is one or more of boron element, zinc element, copper element, manganese element, molybdenum element and iron element which are required by the growth of the plant, and is derived from the microelement fertilizer; the trace element fertilizer is selected from one or more of boron fertilizer, zinc fertilizer, copper fertilizer, manganese fertilizer, molybdenum fertilizer and iron fertilizer; wherein the boron fertilizer is one or more of boric acid, borax, boron magnesium fertilizer, boron-containing calcium superphosphate and boron-containing glass fertilizer; the zinc fertilizer is one or more of zinc nitrate, zinc sulfate, zinc chloride, zinc oxide, zinc carbonate and chelated zinc; the copper fertilizer is one or more of copper sulfate, copper chloride, cuprous oxide, copper nitrate, copper carbonate, copper ammonium phosphate and chelated copper; the manganese fertilizer is one or more of manganese sulfate, manganese nitrate, manganese chloride, manganese oxide, manganese carbonate and chelated manganese; the molybdenum fertilizer is one or more of sodium molybdate, calcium molybdate, ammonium molybdate, molybdenum trioxide and molybdenum-containing glass fertilizer; the iron fertilizer is one or more of ferric sulfate, ferrous sulfate, ammonium ferric phosphate and chelated iron.
7. The complex product of mineral humic acid and inorganic salt fertilizer as claimed in claim 1, wherein: the effective components of the beneficial element fertilizer are silicon element and selenium element which are required by the growth of the plants and come from the beneficial element fertilizer; the beneficial element fertilizer is selected from a silicon fertilizer and a selenium fertilizer; wherein the silicon fertilizer is one or more of calcium silicate, sodium silicate and fly ash; the selenium fertilizer is selenate and/or selenite.
8. the complex product of mineral humic acid and inorganic salt fertilizer as claimed in claim 1, wherein: the complex product comprises three types of high-nitrogen type, equilibrium type and high-potassium type;
In the high-nitrogen type complex product, the content of the effective components of the fertilizer is as follows: 400g/L of nitrogenous fertilizer, 150g/L of phosphate fertilizer and 50g/L of potash fertilizer; the content of active ingredients of mineral humic acid is 40 g/L; the effective component contents of the secondary elements are as follows: 10g/L of sulfur fertilizer and 10g/L of magnesium fertilizer; the active ingredient contents of the trace elements are as follows: 3.5g/L of boron fertilizer, 4.0g/L of zinc fertilizer, 4.0g/L of copper fertilizer, 3.0g/L of iron fertilizer, 2.0g/L of manganese fertilizer and 1.0g/L of molybdenum fertilizer; the beneficial element content is as follows: 0.3g/L of silicon fertilizer and 0.2g/L of selenium fertilizer;
in the balanced complex product, the content of the effective components of the fertilizer is as follows: 210g/L of nitrogenous fertilizer, 210g/L of phosphate fertilizer and 210g/L of potash fertilizer; the content of active ingredients of mineral humic acid is as follows: 40 g/L; the effective component contents of the secondary elements are as follows: 15g/L of sulfur fertilizer and 15g/L of magnesium fertilizer; the active ingredient contents of the trace elements are as follows: 5.0g/L of boron fertilizer, 3.0g/L of zinc fertilizer, 2.0g/L of copper fertilizer, 3.0g/L of iron fertilizer, 1.5g/L of manganese fertilizer and 0.5g/L of molybdenum fertilizer; the beneficial element component content is: 0.3g/L of silicon fertilizer and 0.2g/L of selenium fertilizer;
in the high-nitrogen type complex product, the content of the effective components of the fertilizer is as follows: 150g/L of nitrogenous fertilizer, 50g/L of phosphate fertilizer and 400g/L of potash fertilizer; the content of active ingredients of mineral humic acid is as follows: 40 g/L; the effective component contents of the secondary elements are as follows: 20g/L of sulfur fertilizer and 20g/L of magnesium fertilizer; the active ingredient contents of the trace elements are as follows: 3.0g/L of boron fertilizer, 2.0g/L of zinc fertilizer, 2.0g/L of copper fertilizer, 2.0g/L of iron fertilizer, 1.0g/L of manganese fertilizer and 0.5g/L of molybdenum fertilizer; the beneficial element component content is: 0.3g/L of silicon fertilizer and 0.2g/L of selenium fertilizer.
9. a preparation method of a mineral humic acid and inorganic salt fertilizer complex product is characterized by comprising the following steps:
1) preparing 20-25 wt% mineral humic acid solution (one or more selected from nitro humic acid, potassium fulvate and sodium fulvate) in a storage tank, adding modifier (one or more selected from yeast powder, potassium hydroxide and dicyandiamide) in an amount of 12-15 wt% of the solution into the storage tank, heating to 42-50 deg.C, stirring for 24-36 hr;
2) putting 15-18% of liquid N fertilizer (one or more selected from UNA, mixed solution of ammonium nitrate and ammonium sulfate, ammonium chloride liquid and liquid ammonium bicarbonate) into a storage tank, adding 45-66% of high-content N fertilizer (one or two selected from urea and melamine), 8.0-9.5% of modifying agent and 6-8% of complexing agent (one or more selected from diamine tetraacetic acid, IDS and potassium citrate) into the storage tank, controlling the temperature at 40-55 ℃, stirring to ensure that the solution is not crystallized and does not precipitate, and standing for use after 24-36 hours;
3) Respectively adding 20-25% of phosphate fertilizer, 30-35% of potash fertilizer, 6-8% of complexing agent and prepared medium trace elements into a complexer in sequence for full mixing and complexing;
4) Adding the N fertilizer treated in the step 2) into a complexer, and further mixing and complexing; after 1.5-2 hours, adding the mineral humic acid solution improved in the step 1) into a complexer for further improving complexation; after 1-1.5 hours, the solid-liquid mixture in the complexant is dispersed by a grinding disperser to obtain the finished product.
10. The method for preparing the mineral humic acid and inorganic salt fertilizer complex product of claim 9, wherein: in the step 3), the medium trace elements are selected from one or more of ammonium sulfate, potassium sulfate, magnesium nitrate, magnesium sulfate, magnesium chloride, potash magnesium fertilizer, magnesium ammonium phosphate, magnesite, boric acid, borax, boron magnesium fertilizer, boron-containing calcium superphosphate, boron-containing glass fertilizer, copper sulfate, copper chloride, cuprous oxide, copper nitrate, copper carbonate, ammonium copper phosphate, chelated copper, zinc nitrate, zinc sulfate, zinc chloride, zinc oxide, zinc carbonate, chelated zinc, sodium molybdate, calcium molybdate, ammonium molybdate, molybdenum trioxide, molybdenum-containing glass fertilizer, manganese sulfate, manganese nitrate, manganese chloride, manganese oxide, manganese carbonate, chelated manganese, ferric sulfate, ferrous sulfate, ammonium ferric phosphate and chelated iron; the magnesium and the sulfur are mixed according to the proportion of 2: 1 or 2: 2.
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| CN115057736A (en) * | 2022-03-21 | 2022-09-16 | 深圳市芭田生态工程股份有限公司 | Water-soluble fertilizer special for cucumbers and preparation method, application and application method thereof |
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