CN111302869A - Modified humic acid functional water-soluble fertilizer and preparation method thereof - Google Patents
Modified humic acid functional water-soluble fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN111302869A CN111302869A CN202010105177.3A CN202010105177A CN111302869A CN 111302869 A CN111302869 A CN 111302869A CN 202010105177 A CN202010105177 A CN 202010105177A CN 111302869 A CN111302869 A CN 111302869A
- Authority
- CN
- China
- Prior art keywords
- fertilizer
- humate
- percent
- functional water
- humic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention belongs to the field of agricultural fertilizers, and particularly relates to a modified humic acid functional water-soluble fertilizer and a preparation method thereof, wherein the modified humic acid functional water-soluble fertilizer comprises the following raw materials in percentage by mass: 5 to 8 percent of humate solution, 0.1 to 0.2 percent of PHC additive, 6 to 13 percent of nitrogenous fertilizer, 10 to 38 percent of phosphate fertilizer, 42 to 78 percent of potash fertilizer and 0.1 to 0.2 percent of trace element fertilizer; the PHC additive is a humate modifier and is prepared by compounding citric acid, fumaric acid and 2-malic acid. The invention provides a modified humic acid functional water-soluble fertilizer, which combines organic nutrition and inorganic nutrition, can improve soil while fertilizing, provides rich absorbable organic nutrition, supplements carbon nutrients required by crops, and enables humate and a macroelement water-soluble fertilizer to have a mutual synergistic effect.
Description
Technical Field
The invention belongs to the field of agricultural fertilizers, and particularly relates to a modified humic acid functional water-soluble fertilizer and a preparation method thereof.
Background
With the continuous development of the planting industry, the fertilizer consumption of various economic crops is increased continuously, the use amount of the traditional fertilizer is high, and the soil is damaged by difficult recovery in a short time while the yield of the crops is increased. The traditional pure large and medium trace element fertilizer causes soil acidification and salinization, meanwhile, a series of problems of soil organic matter loss, serious soil hardening and the like are caused by continuous planting, and beneficial microbial floras in the soil are difficult to grow and reproduce along with the soil acidification and hardening, so that the soil problem becomes a key node problem in modern agricultural development.
At present, organic fertilizers and microbial fertilizers are mainly used for solving the soil problems, but the molecular weight of organic matters is too large after the traditional organic fertilizers are applied to soil and cannot be absorbed by crops in a short time, when humate fertilizers are used together, humate is alkaline, and macroelement fertilizers are slightly acidic, so that the combination of the humate and the macroelement can generate a certain acid-base neutralization reaction, and the overall effect of the fertilizer is influenced.
Disclosure of Invention
Aiming at the problem that the effect of the fertilizer is affected by the acid-base neutralization reaction of humate and a macroelement water-soluble fertilizer in the prior art, the invention provides a modified humic acid functional water-soluble fertilizer, which combines organic nutrition and inorganic nutrition, can improve soil while fertilizing, provides rich absorbable organic nutrition, supplements carbon nutrients required by crops, and enables the humate and the macroelement water-soluble fertilizer to have a mutual synergistic effect.
The technical scheme of the invention is as follows:
the modified humic acid functional water-soluble fertilizer comprises the following raw materials in percentage by mass: 5 to 8 percent of humate solution, 0.1 to 0.2 percent of PHC additive, 6 to 13 percent of nitrogenous fertilizer, 10 to 38 percent of phosphate fertilizer, 42 to 78 percent of potash fertilizer and 0.1 to 0.2 percent of trace element fertilizer; the PHC additive is a humate modifier and is prepared by compounding citric acid, fumaric acid and 2-malic acid.
The humate solution provides absorbable organic nutrition for crops and improves the soil environment; the PHC additive is a humate modifier, so that the mixing property of humate and a macro-element fertilizer is improved; the nitrogen, phosphorus and potassium fertilizers provide mineral nutrient elements for the growth of crops; wherein, the nitrogen fertilizer provides a nitrogen source for the growth of the crops, promotes the rooting and sprouting of the crops, and promotes the long branches and the leaf drawing of the crops; the phosphate fertilizer provides a phosphorus source for the growth of crops and promotes the flower bud differentiation and root growth of the crops; the potash fertilizer provides a potassium source for the growth of crops, promotes the transportation of nutrient substances generated by the photosynthesis of crop leaves, and promotes the expansion and the coloring of fruits.
The PHC additive is a key factor for improving the mixing property of humate and major elements, the PHC solution is formed by mixing organic acids, the organic acids can adjust the overall pH value of the solution, reduce the pH value of the solution and improve the mixing property of the solution, meanwhile, the organic acids can be complexed with the humic acids to generate organic complexing molecules, and the organic acids can be absorbed by plant roots in soil to provide organic nutrition required by crops. The organic acid compound combination can contain one or more of citric acid, 2-malic acid and fumaric acid, and in order to achieve a better effect, the PHC additive adopts the compound combination of citric acid, 2-malic acid and fumaric acid.
Citric acid is tricarboxylic acid compound produced by microbial fermentation, raw materials for preparing the citric acid are all from food, the citric acid has very high safety in the aspect of agricultural application, and the citric acid solution can ionize a large amount of H+The pH value of the solution can be reduced by using the pH buffer solution as an acid regulator, and a good buffering effect is achieved. Meanwhile, citric acid can be complexed with humic acid to generate an organic macromolecular structure, the pH value of humate is changed, the organic molecules can be absorbed by crop roots in soil or absorbed by crops after being decomposed by microorganisms, and the citric acid plays a role in enhancing the effect of the humic acid.
The fumaric acid is used for mainly playing a role in buffering, provides stable acid-base conditions for mixing of a humate solution and citric acid, simultaneously improves the stability of a humate and citric acid complex product, and solves the problem of complexation and sedimentation of the humate and major and minor trace elements after being dissolved in water in the later fertilizer using process.
The 2-hydroxysuccinic acid can play a catalytic role, promotes the complexation of humic acid and citric acid, and meanwhile, the 2-hydroxysuccinic acid can promote the propagation of microorganisms, so that the overall use effect of the modified humic acid functional water-soluble fertilizer can be improved.
Further, the citric acid, the fumaric acid and the 2-hydroxysuccinic acid are compounded according to the weight ratio of 7:2: 1. The PHC additive is prepared by mixing citric acid, fumaric acid and 2-hydroxysuccinic acid according to the mass ratio of 7:2: 1; the PHC additive can modify humate solution, so that the humate can be mixed with a macroelement water-soluble fertilizer, and meanwhile, the PHC additive can be absorbed and utilized by crops and promotes the propagation of soil microbial flora, thereby achieving the effects of modifying the humate and improving the fertilizer effect.
Further, the trace element fertilizer comprises a chelated zinc fertilizer, a chelated iron fertilizer and a chelated copper fertilizer; the chelating agent of the chelated trace elements is one or more of ethylenediamine tetraacetic acid chelating agent, diethylenetriamine pentaacetic acid chelating agent, ethylenediamine hydroxyphenylacetic acid chelating agent or hydroxyethyl ethylenediamine triacetic acid chelating agent.
Further, the chelating agent of the chelated trace elements is an ethylenediamine tetraacetic acid chelating agent. The adopted ethylenediaminetetraacetic acid chelating agent has strong stability of chelated microelements and is not easily influenced by humic acid when being mixed with humate.
Further, the humate solution is a potassium humate solution. The potassium humate can provide a carbon source and a potassium source required by the growth of crops, and simultaneously supplement soil organic matters, improve the soil environment and promote the root development of the crops.
Further, the nitrogen fertilizer is urea, the phosphate fertilizer is diammonium phosphate, and the potassium fertilizer is potassium nitrate. The diammonium phosphate is weakly alkaline, monoammonium phosphate is used as a nitrogen and phosphorus source in many water-soluble fertilizers, the monoammonium phosphate is weakly acidic, the pH value of the macroelement water-soluble fertilizer can be reduced, the diammonium phosphate can be improved in the aspect of pH value compared with the monoammonium phosphate, and the mixing property with humate is improved.
A preparation method of a modified humic acid functional water-soluble fertilizer comprises the following steps:
(1) weighing raw materials of urea, diammonium phosphate and potassium nitrate, and respectively crushing for later use;
(2) putting the humate solution into a reaction kettle, heating to 50-60 ℃, adding the PHC additive, continuously stirring, simultaneously heating the solution to 80-85 ℃, and stirring to react for 30-40 min;
(3) dehydrating and drying the humate solution prepared in the step (2) to obtain modified humate, and crushing the modified humate for later use;
(4) weighing a trace element fertilizer, putting the trace element fertilizer and the crushed diammonium phosphate and potassium nitrate in the step (1) into a stirrer, and fully and uniformly stirring;
(5) and (4) adding the crushed modified humate and urea into the mixture obtained in the step (4), keeping the environmental humidity at 30-40%, and fully stirring to obtain the modified humic acid functional water-soluble fertilizer.
Furthermore, the crushing operation related to the preparation method can be carried out by adopting a crusher to crush to about 200 meshes.
The traditional preparation method of the macroelement water-soluble fertilizer only needs to mix and stir required nutrients uniformly, the preparation method needs to pay attention to the feeding sequence and the air humidity, the modified humic acid functional water-soluble fertilizer needs to prepare modified humate firstly, and the raw material feeding sequence needs to be standardized in the preparation process of the macroelement water-soluble fertilizer. The humate is easy to absorb moisture, the sticky property can be generated after moisture absorption, the uniform mixing of the raw materials is not facilitated, and particularly, the trace elements are easy to be influenced, so the adding sequence of the trace elements is in front of the humate.
The invention has the beneficial effects that:
(1) the invention solves the problem of acid-base mixing between humate and a macroelement water-soluble fertilizer through the PHC additive, can improve the soil environment, relieve soil hardening, improve the soil granular structure, promote the propagation of soil microbial flora and provide absorbable organic nutrition for crops while supplying mineral nutrient elements necessary for the growth of the crops, and has the effect of multiple effects.
(2) The invention provides a preparation method of a modified humic acid functional water-soluble fertilizer, which comprises the steps of firstly preparing modified humate, and standardizing the adding sequence of each raw material component in the preparation process of the fertilizer; the modified humic acid functional water-soluble fertilizer prepared by the method does not have the problem of complex sedimentation of humate and major and minor trace elements in the dissolving process, improves the water solubility of the fertilizer, is beneficial to fertilizer use and crop absorption, and supplements a carbon source for crops while providing mineral nutrient elements required by the crops.
Detailed Description
The technical solutions of the present invention will be described in detail and fully with reference to the following specific embodiments, and it should be understood 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.
For a further understanding of the present invention, reference will now be made in detail to the following examples.
Example 1
The modified humic acid functional water-soluble fertilizer comprises the following components in percentage by mass: 13 percent of urea, 38 percent of diammonium phosphate, 42.75 percent of potassium nitrate, 0.15 percent of ethylenediamine tetraacetic acid chelated trace element fertilizer, 6 percent of 50 percent potassium humate solution and 0.1 percent of PHC additive.
The preparation method comprises the following steps:
(1) weighing 13kg of urea, 38kg of diammonium phosphate and 42.75kg of potassium nitrate according to the mass percentage of each component, and respectively crushing the urea, the diammonium phosphate and the potassium nitrate into about 200 meshes in a crusher for standby;
(2) weighing 6kg of humate solution with the content of 50 percent, placing the solution in a reaction kettle, heating to improve the activity of the solution, heating the solution to 50 ℃, adding 0.1kg of PHC additive, continuously stirring, heating the solution to 80 ℃, and stirring for reaction for 30 min;
(3) dehydrating and drying the humate solution prepared in the step (2) to obtain modified humate, and crushing the modified humate to 200 meshes by a crusher for later use;
(4) weighing 0.15kg of trace element fertilizer, putting the trace element fertilizer and the crushed diammonium phosphate and potassium nitrate in the step (1) into a stirrer, and fully and uniformly stirring;
(5) and (4) adding the crushed modified humate and urea into the mixture obtained in the step (4), keeping the environmental humidity at 40%, and fully stirring to obtain the modified humic acid functional water-soluble fertilizer with the nutrient content of 19-19-19+ TE.
Example 2
The modified humic acid functional water-soluble fertilizer comprises the following components in percentage by mass: 6 percent of urea, 10 percent of diammonium phosphate, 77.75 percent of potassium nitrate, 0.15 percent of ethylenediamine tetraacetic acid chelated trace element fertilizer, 6 percent of 50 percent potassium humate solution and 0.1 percent of PHC additive.
The preparation method comprises the following steps:
(1) weighing 6kg of urea, 10kg of diammonium phosphate and 77.75kg of potassium nitrate according to the mass percentage of each component, and respectively crushing the urea, the diammonium phosphate and the potassium nitrate into about 200 meshes in a crusher for standby;
(2) weighing 6kg of humate solution with the content of 50 percent, placing the solution in a reaction kettle, heating to improve the activity of the solution, heating the solution to 60 ℃, adding 0.1kg of PHC additive, continuously stirring, heating the solution to 85 ℃, and stirring for reacting for 40 min;
(3) dehydrating and drying the humate solution prepared in the step (2) to obtain modified humate, and crushing the modified humate to 200 meshes by a crusher for later use;
(4) weighing 0.15kg of trace element fertilizer, putting the trace element fertilizer and the crushed diammonium phosphate and potassium nitrate in the step (1) into a stirrer, and fully and uniformly stirring;
(5) and (4) adding the crushed modified humate and urea into the mixture obtained in the step (4), keeping the environmental humidity at 30%, and fully stirring to obtain the modified humic acid functional water-soluble fertilizer with the nutrient content of 15-5-35+ TE.
Example 3
The modified humic acid functional water-soluble fertilizer comprises the following components in percentage by mass: 10% of urea, 20% of diammonium phosphate, 64.75% of potassium nitrate, 0.15% of ethylenediamine tetraacetic acid chelated trace element fertilizer, 5% of 50% potassium humate solution and 0.1% of PHC additive.
The preparation method comprises the following steps:
(1) weighing 20kg of urea, 30kg of diammonium phosphate and 41.75kg of potassium nitrate according to the mass percentage of each component, and respectively crushing the urea, the diammonium phosphate and the potassium nitrate into about 200 meshes in a crusher for standby;
(2) weighing 6kg of humate solution with the content of 50 percent, placing the solution in a reaction kettle, heating to improve the activity of the solution, heating the solution to 55 ℃, adding 0.1kg of PHC additive, continuously stirring, heating the solution to 80 ℃, and stirring for reacting for 35 min;
(3) dehydrating and drying the humate solution prepared in the step (2) to obtain modified humate, and crushing the modified humate to 200 meshes by a crusher for later use;
(4) weighing 0.15kg of trace element fertilizer, putting the trace element fertilizer and the crushed diammonium phosphate and potassium nitrate in the step (1) into a stirrer, and fully and uniformly stirring;
(5) and (4) adding the crushed modified humate and urea into the mixture obtained in the step (4), keeping the environment humidity at 35%, and fully stirring to obtain the modified humic acid functional water-soluble fertilizer with the nutrient content of 18-10-30+ TE.
Test example 1
Fertilizer solubility and flocculation testing
Test products: modified humic acid functional water-soluble fertilizer of 19-19-19+ TE obtained in example 1
Control product: nutrient content of 19-19-19+ TE macroelement water-soluble fertilizer + potassium humate
The test mode is as follows:
taking two beakers, filling 200mL of clear water into the two beakers, adding 20g of the modified humic acid functional water-soluble fertilizer with the concentration of 19-19-19+ TE into one beaker, and stirring and standing the beaker; adding 19-19-19 parts of nutrient content, 18g of TE macroelement water-soluble fertilizer and 2g of potassium humate into the other beaker, and stirring and standing.
After standing for 10min, observation results are shown: the functional water-soluble fertilizer added with the modified humic acid of 19-19-19+ TE is uniformly dissolved without any precipitation and flocculation phenomenon; the phenomena of flocculation and fertilizer sedimentation occur when the nutrient content is 19-19-19+ TE macroelement water-soluble fertilizer and potassium humate solution are added, and a little sediment is generated at the bottom of the beaker.
And (4) test conclusion: the modified humic acid functional water-soluble fertilizer has good water solubility, does not generate a humic acid salt flocculation phenomenon after being dissolved, and is more beneficial to application and absorption and utilization of crops.
Test example 2
Functional test of modified humic acid water-soluble fertilizer
Test products: modified humic acid functional water-soluble fertilizer of 19-19-19+ TE obtained in example 1
Control product: macroelement water-soluble fertilizer with nutrient content of 19-19-19+ TE
The test mode is as follows:
taking two mature garlic bulbs and two culture boxes, respectively filling 100mL of purified water, adding 2g of 19-19-19+ TE modified humic acid functional water-soluble fertilizer into one culture box, stirring and dissolving, adding 2g of 19-19-19+ TE macroelement water-soluble fertilizer into the other culture box, stirring and dissolving, and placing the garlic bulbs into the culture boxes.
Test time: 5 days;
and (3) test results: the garlic sprouts in the culture box with the modified humic acid functional water-soluble fertilizer of 19-19-19+ TE are neat, and the root system is dense; the garlic sprouts in the culture box added with the macroelement water-soluble fertilizer with the nutrient content of 19-19-19+ TE are uneven, the whole sprouting height is not as high as that of a test group, and the root system is dysplastic.
And (4) test conclusion: the modified humic acid functional water-soluble fertilizer can effectively promote the root development of crops, is rich in organic nutrition, has more comprehensive nutrients and can promote the overall growth vigor of the crops.
Test example 3
Greenhouse vegetable field use effect test
Test background: in the process of planting vegetables in a greenhouse, the application amount of large and medium trace elements is large, but the supplement amount of soil organic matters and crops capable of absorbing organic nutrients is insufficient, so that the root system of crops is poor in development and the growth of the crops is hindered, the anti-season vegetable performance is particularly obvious, the temperature of greenhouse vegetables in winter is low, the activity of the root system is poor, and the soil temperature can be further reduced by applying the large and medium trace elements only, so that the growth of the crops is influenced.
Test site: weifang city in Shandong province, Jiawangchun city in Anqiu city;
test subjects: greenhouse cucumbers;
test protocol: the test group is the modified humic acid functional water-soluble fertilizer of 19-19-19+ TE obtained in example 1, and the control group is a macroelement water-soluble fertilizer with the nutrient content of 20-20-20+ TE of other manufacturers
A fertilizing mode: drip irrigation
Test time: 13/3/2019
Observation time: 23/3/2019
And (3) test results:
and (3) overall growth: obviously, the cucumber stems in the test area are thicker, the leaves are larger and greener, the growth vigor is more uniform, the plants are high, and the cucumber plants are early in bearing; compared with the control area, the test area has more fruiting amount, and the growth speed of the cucumber is higher than that of the cucumber blocks in the control area; two cucumbers in a control group of the experimental group are randomly selected, and the cucumbers in the control group have hollow phenomena.
And (3) growth comparison:
in the test group, the average value of the width of the blade is 22.34cm, the average value of the length of the blade is 25.84cm, and the average value of the thickness of the blade is 1.27 cm; in the control group, the average width of the leaf was 20.94cm, the average length of the leaf was 25.14cm, and the average thickness of the leaf was 1.25 cm.
As can be seen from the table above, in the aspect of the size of the cucumber leaf, the width, the length, the thickness and the like of the leaf of the cucumber leaf in the test group are all superior to those of the control group, the whole volume of the leaf surface is larger, the photosynthesis is stronger, more nutrient substances are accumulated, and the whole growth vigor is better.
And (4) test conclusion:
the experiment can obtain that: in the process of top dressing of greenhouse vegetables in winter, compared with the common macroelement water-soluble fertilizer, the crop leaves applied with the modified humic acid functional water-soluble fertilizer have better growth vigor, more fruits and good fruit development in the same time.
Test example 4
Test of field using effect of ginger
Test background: along with the improvement of the planting benefit of the gingers, the planting area of the gingers is increased, the gingers belong to shallow root crops, the root systems are relatively few, the requirement of the gingers on soil quality is high, at present, the gingers are not suitable for being planted in a large number of fields due to the hardened soil acidification condition, the ginger blocks are prevented from expanding and hardened after being planted, the soil is hardened, and the gingers waste more manpower during harvesting.
Test site: zhuqianjian Dalang village in Laizhou, Shandong
Test subjects: ginger (ginger)
Test time: 15 days in 8 months in 2019 and 30 days in 8 months in 2019
Observation time: 10 and 20 months in 2019
Test protocol: the test group is the modified humic acid functional water-soluble fertilizer with the nutrient content of 15-5-35+ TE obtained in the example 2, and the control group is a macroelement water-soluble fertilizer with 12-4-40+ TE of other manufacturers.
A fertilizing mode: along with water flush
And (3) test results:
the high-potassium water-soluble fertilizer is continuously used for two times in the rapid expansion period of the ginger blocks, the effect is observed when the ginger is harvested, in the aspect of soil improvement, the soil of a test group is relatively loose, the soil is loose when the ginger is produced, the ginger production speed is high, the ginger blocks are not easy to break, the soil of a control group is hardened and is not easy to produce the ginger, and the ginger blocks are easy to pull out and break due to force. In the quantity of the needed labor when the ginger is produced, one labor can be saved for each mu of ginger in the test group.
The observation of the color of the ginger blocks shows that the ginger blocks in the test group have bright color, the ginger blocks in the control group have dark color, and meanwhile, the ginger buds in the test group are obviously larger than those in the control group in the aspect of ginger bud expansion.
The yield of 10 continuous gingers randomly drawn from the test group and the control group is compared, and the weight of the fresh mud gingers is measured as follows:
| serial number | Test set (kg) | Control group (kg) | Weight difference (kg) |
| 1 | 2.77 | 3.13 | 0.36 |
| 2 | 2.34 | 2.44 | 0.10 |
| 3 | 2.53 | 2.58 | 0.05 |
| 4 | 2.25 | 2.69 | 0.44 |
| 5 | 2.01 | 2.33 | 0.32 |
| 6 | 2.14 | 1.98 | -0.16 |
| 7 | 2.12 | 2.56 | 0.36 |
| 8 | 1.99 | 2.02 | 0.03 |
| 9 | 1.90 | 2.88 | 0.98 |
| 10 | 2.85 | 2.76 | -0.09 |
The average weight of the test group is 2.29 kg; the average weight of the control group was 2.54 kg; the difference between the two average weights was 0.25 kg.
As can be seen from the above table, the weight of the ginger in the test group is 0.247kg higher than that of the control group, and the yield per mu can be increased by 1111.5kg according to 4500 plants per mu.
And (4) test conclusion:
in the rapid expansion period of the ginger blocks, the application of the modified humic acid functional water-soluble fertilizer can rapidly promote the expansion of the ginger blocks and the bright and glossy color of the ginger blocks, the integral yield of the ginger blocks is improved, and meanwhile, a certain loosening and improving effect is achieved on soil. The modified humic acid functional water-soluble fertilizer is more suitable for top dressing of ginger.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like made within the scope of the present invention should be included in the patent protection scope of the present invention.
Claims (8)
1. The modified humic acid functional water-soluble fertilizer is characterized by comprising the following raw materials in percentage by mass:
5 to 8 percent of humate solution, 0.1 to 0.2 percent of PHC additive, 6 to 13 percent of nitrogenous fertilizer, 10 to 38 percent of phosphate fertilizer, 42 to 78 percent of potash fertilizer and 0.1 to 0.2 percent of trace element fertilizer;
the PHC additive is a humate modifier and is prepared by compounding citric acid, fumaric acid and 2-malic acid.
2. The modified humic acid functional water-soluble fertilizer as claimed in claim 1, wherein the citric acid, fumaric acid and 2-hydroxysuccinic acid are compounded in a weight ratio of 7:2: 1.
3. The modified humic acid functional water-soluble fertilizer as claimed in claim 1, wherein the trace element fertilizer comprises a chelated zinc fertilizer, a chelated iron fertilizer and a chelated copper fertilizer; the chelating agent of the chelated trace elements is one or more of ethylenediamine tetraacetic acid chelating agent, diethylenetriamine pentaacetic acid chelating agent, ethylenediamine hydroxyphenylacetic acid chelating agent or hydroxyethyl ethylenediamine triacetic acid chelating agent.
4. The modified humic acid functional water-soluble fertilizer as claimed in claim 3, wherein the chelating agent for chelated trace elements is ethylenediamine tetraacetic acid chelating agent.
5. The modified humic acid functional water-soluble fertilizer according to claim 1, wherein the humic acid salt solution is a 50% content potassium humate solution.
6. The modified humic acid functional water-soluble fertilizer as claimed in claim 1, wherein the nitrogen fertilizer is urea, the phosphate fertilizer is diammonium phosphate, and the potassium fertilizer is potassium nitrate.
7. The preparation method of the modified humic acid functional water-soluble fertilizer is characterized by comprising the following steps:
(1) weighing raw materials of urea, diammonium phosphate and potassium nitrate, and respectively crushing for later use;
(2) putting the humate solution into a reaction kettle, heating to 50-60 ℃, adding the PHC additive, continuously stirring, simultaneously heating the solution to 80-85 ℃, and stirring to react for 30-40 min;
(3) dehydrating and drying the humate solution prepared in the step (2) to obtain modified humate, and crushing the modified humate for later use;
(4) weighing a trace element fertilizer, putting the trace element fertilizer and the crushed diammonium phosphate and potassium nitrate in the step (1) into a stirrer, and fully and uniformly stirring;
(5) and (4) adding the crushed modified humate and urea into the mixture obtained in the step (4), keeping the environmental humidity at 30-40%, and fully stirring to obtain the modified humic acid functional water-soluble fertilizer.
8. The method according to claim 7, wherein the pulverization is carried out by pulverizing the powder to 200 mesh by a pulverizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010105177.3A CN111302869A (en) | 2020-02-20 | 2020-02-20 | Modified humic acid functional water-soluble fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010105177.3A CN111302869A (en) | 2020-02-20 | 2020-02-20 | Modified humic acid functional water-soluble fertilizer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111302869A true CN111302869A (en) | 2020-06-19 |
Family
ID=71156536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010105177.3A Pending CN111302869A (en) | 2020-02-20 | 2020-02-20 | Modified humic acid functional water-soluble fertilizer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111302869A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070051148A1 (en) * | 2003-06-13 | 2007-03-08 | Fertirev S. R.L. | Fertilizer compositions |
| CN104402628A (en) * | 2014-12-04 | 2015-03-11 | 宁夏共享生物化工有限公司 | Preparation method for fruit tree nutrition liquid containing biochemical humic acid |
| CN107652095A (en) * | 2017-11-20 | 2018-02-02 | 郑州景鸿畜牧科技有限公司 | High potassium type fertilizer containing humic acid water-soluble and preparation method thereof |
| CN110550988A (en) * | 2019-09-23 | 2019-12-10 | 张梓榆 | Complexing product of mineral humic acid and inorganic salt fertilizer and preparation method thereof |
-
2020
- 2020-02-20 CN CN202010105177.3A patent/CN111302869A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070051148A1 (en) * | 2003-06-13 | 2007-03-08 | Fertirev S. R.L. | Fertilizer compositions |
| CN104402628A (en) * | 2014-12-04 | 2015-03-11 | 宁夏共享生物化工有限公司 | Preparation method for fruit tree nutrition liquid containing biochemical humic acid |
| CN107652095A (en) * | 2017-11-20 | 2018-02-02 | 郑州景鸿畜牧科技有限公司 | High potassium type fertilizer containing humic acid water-soluble and preparation method thereof |
| CN110550988A (en) * | 2019-09-23 | 2019-12-10 | 张梓榆 | Complexing product of mineral humic acid and inorganic salt fertilizer and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101624305B (en) | Organic fluid fertilizer and preparation method and application thereof | |
| CN101747120B (en) | Corn special fertilizer with soil improvement function and preparation and application thereof | |
| CN103524197B (en) | Boron-containing synergistic urea, and preparation method and application thereof | |
| CN102924182B (en) | Environment-friendly soil-improving liquid fertilizer and preparing method thereof | |
| CN104557298A (en) | Special sustained-release water-soluble fertilizer for potatoes and preparation method of fertilizer | |
| CN104591901A (en) | Application of imino disuccinate as fertilizer synergist | |
| CN105367296A (en) | Water-soluble carbon enzyme granule fertilizer and preparation method thereof | |
| CN104591880A (en) | Hydroponic fertilizer special for fruits and vegetables | |
| CN102260118B (en) | Novel readily available nutritive nitrogenous fertilizer | |
| CN104761413A (en) | Alginic acid fertilizer synergist with ammonia volatilization inhibiting effect and preparation method of alginic acid fertilizer synergist | |
| CN102732258B (en) | Humic acid-type calcium-magnesium-sulfur soil conditioner and its preparation method | |
| CN102531784A (en) | Water-soluble organic fertilizer containing medium trace elements and preparation method thereof | |
| CN101298402A (en) | Compound fertilizer and preparation thereof | |
| CN107759315A (en) | Method and application with agricultural wastes synergy ammoniated superphosphate production moderate-element coated fertilizer | |
| CN103772016A (en) | Special organic-inorganic compound fertilizer for young tea trees and preparation method thereof | |
| CN102795948B (en) | Rooting root-strengthening fertilizer with rooting powder and preparation method thereof | |
| CN112374950A (en) | Nitrogen fertilizer synergist containing plant-derived denitrification inhibitor and preparation method and application thereof | |
| CN106146150B (en) | Phosphate fertilizer synergist and preparation method thereof, phosphate fertilizer synergist powder and phosphate fertilizer | |
| CN105272658A (en) | Special water-soluble fertilizer for flowering and fruiting period of wolfberry | |
| CN107827593A (en) | One kind is without flocculation humic acid Water soluble fertilizer and preparation method thereof | |
| CN117303984A (en) | Neutral macroelement water-soluble fertilizer containing composite microbial agent and preparation method thereof | |
| CN105439696A (en) | Efficient granular fertilizer containing alginic acid as well as preparation method of fertilizer | |
| CN105523832A (en) | Special slow release water-soluble fertilizer for soybeans, and preparation method thereof | |
| CN102795945A (en) | Special sulfur-resin double-membrane humic-acid controlled release fertilizer suitable for culturing garlic with mulching film | |
| CN111592425A (en) | Modified seaweed functional water-soluble fertilizer and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |
|
| RJ01 | Rejection of invention patent application after publication |