CN106380280A - Slow release fertilizer containing humic acid and preparation method thereof - Google Patents
Slow release fertilizer containing humic acid and preparation method thereof Download PDFInfo
- Publication number
- CN106380280A CN106380280A CN201610750532.6A CN201610750532A CN106380280A CN 106380280 A CN106380280 A CN 106380280A CN 201610750532 A CN201610750532 A CN 201610750532A CN 106380280 A CN106380280 A CN 106380280A
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- China
- Prior art keywords
- parts
- humic acid
- slow release
- release fertilizer
- fertilizer containing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to a slow release fertilizer containing humic acid and a preparation method thereof. The slow release fertilizer containing humic acid comprises the following ingredients (by weight): 130-200 parts of urea, 30-70 parts of ammonium bicarbonate, 160-240 parts of potassium chloride, 70-125 parts of humic acid, 70-125 parts of ammonium chloride, 70-130 parts of ammonium sulfate, 30-60 parts of clay, 15-35 parts of polyvinyl alcohol, 6-12 parts of glutaraldehyde, 0.5-2 parts of an emulsifier and 450-700 parts of water. The slow release fertilizer containing humic acid has reasonable ratio. Various nutrients can be utilized to the maximum. Meanwhile, the slow release fertilizer and soil particles can be effectively combined. The prepared slow release fertilizer has water-retention and fertilizer retention effects as well as an effect of promoting soil to form a granular structure. In addition, the fertilizer also has effects of loosening soil and preventing soil hardening.
Description
Technical field
The invention belongs to plant chemical fertilizer field is and in particular to a kind of slow release fertilizer containing humic acid and preparation method thereof.
Background technology
China is large agricultural country, and the demand for chemical fertilizer account for three the one-tenth about of world's total amount, but the chemical fertilizer of China is sharp
With rate less than 35%, a large amount of loss of chemical fertilizer, in soil, not only form the wasting of resources, also result in serious environment dirty simultaneously
Dye.Slow release fertilizer is that the nutrient compound in fertilizer is carried out peplos or coating so that release in soil for the nutrient compound
Speed slows down, so that its utilization rate increases.
But in prior art, the slow release effect of inorganic material peplos or coating is poor, and the fall of organic material peplos or coating
The shortcomings of solution performance is bad, raw material Manufacturing cost is high, preparation process is complicated.
Content of the invention
For defect of the prior art, the present invention provides a kind of had good sustained release effect, preparation method to be simply suitable to industrialization
The slow release fertilizer containing humic acid and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is：
The invention provides a kind of slow release fertilizer containing humic acid includes following components by weight percent：Carbamide 130-200 part, carbon ammonium
30-70 part, potassium chloride 160-240 part, humic acid 70-125 part, ammonium chloride 70-125 part, ammonium sulfate 70-130 part, clay 30-
60 parts, polyvinyl alcohol 8-18 part, glutaraldehyde 15-35 part, emulsifying agent 0.5-2 part, water 450-700 part.
Said mixture reasonable disposition nitrogen, phosphorus, the proportioning of potassium, simultaneously humic acid can improve the utilization rate of nitrogenous fertilizer, by upper
The fertilizer stating proportioning preparation has retain water and nutrients, promotes the effect of Zinc fractions crumb structure, can be good at playing slow releasing function.
Preferably, the above-mentioned slow release fertilizer containing humic acid includes following components by weight percent：Carbamide 150-180 part, carbon ammonium 40-60
Part, potassium chloride 180-220 part, humic acid 80-120 part, ammonium chloride 80-120 part, ammonium sulfate 80-120 part, clay 40-60 part,
Polyvinyl alcohol 10-15 part, glutaraldehyde 20-30 part, emulsifying agent 0.5-2 part, water 550-650 part.
It is further preferred that the above-mentioned slow release fertilizer containing humic acid includes following components by weight percent：160 parts of carbamide, carbon ammonium 50
Part, 200 parts of potassium chloride, 100 parts of humic acid, 100 parts of ammonium chloride, 100 parts of ammonium sulfate, 50 parts of clay, 12 parts of polyvinyl alcohol, penta 2
25 parts of aldehyde, 1 part of emulsifying agent, 600 parts of water.
Preferably, the degree of polymerization of polyvinyl alcohol described in the above-mentioned slow release fertilizer containing humic acid is 1650-1750.
Preferably, emulsifying agent described in the above-mentioned slow release fertilizer containing humic acid is span or tween.
The preparation method containing the slow release fertilizer of humic acid as above includes step：
A. by polyethylene alcohol and water mix, heated and stirred be dissolved to transparent after, mixed liquor sequentially adds emulsifying agent, urine
Element, carbon ammonium, potassium chloride, ammonium chloride, ammonium sulfate and humic acid；
B. add glutaraldehyde in stirring, finally clay is added the product that stirs to obtain.
The fertilizer prepared according to the method described above, part nutrient compound can be embedded in polymer well, but simultaneously
Polymer will not the overstocked follow-up release hindering fertilizer.
Preferably, in step A described in the preparation method of the above-mentioned slow release fertilizer containing humic acid, heating-up temperature is 40-50
℃.
Preferably, system when adding glutaraldehyde in step B described in the preparation method of the above-mentioned slow release fertilizer containing humic acid
In 40-50 DEG C of constant temperature.
Preferably, add the mode of glutaraldehyde in step B described in the preparation method of the above-mentioned slow release fertilizer containing humic acid
For Deca.
Preferably, system temperature when adding clay in step B described in the preparation method of the above-mentioned slow release fertilizer containing humic acid
Degree constant temperature is at 20-30 DEG C, and after addition clay, mixing time is not less than 5 hours.
In sum, the slow release fertilizer reasonable mixture ratio containing humic acid that the present invention provides, maximum effectiveness can utilize each battalion
Foster component, meanwhile, slow release fertilizer can be effectively combined with soil particle so that the slow release fertilizer of present invention preparation has water conservation guarantor
Fertilizer, promotes the effect of Zinc fractions crumb structure, that is, also acts the effect loosened the soil, keep soil from packing together.Additionally, this
The slow release fertilizer of bright offer also has good bactericidal property, does not require the use of extra antibacterial when actually used.
Specific embodiment
With reference to specific embodiment, the present invention will be further described.Described embodiment is only being preferable to carry out of the present invention
Example, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and become
Change.All any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in the present invention
Protection domain within.
Embodiment one
By the 12kg degree of polymerization be 1700 polyvinyl alcohol and the mixing of 600kg water, 45 DEG C of heated at constant temperature stirring and dissolving are to transparent
Afterwards, sequentially add in mixed liquor 1kg sorbester p17,160kg carbamide, 50kg carbon ammonium, 200kg potassium chloride, 100kg ammonium chloride,
100kg ammonium sulfate and 100kg humic acid mix and blend 30min；25kg glutaraldehyde is added in stirring under 45 DEG C of constant temperatures, natural
It is cooled to system temperature to 25 DEG C, add stirring to obtain product in 5 hours clay under 25 DEG C of constant temperatures.
Embodiment two
By the 15kg degree of polymerization be 1750 polyvinyl alcohol and the mixing of 650kg water, 40 DEG C of heated at constant temperature stirring and dissolving are to transparent
Afterwards, sequentially add in mixed liquor 0.5kg Tween 80,180kg carbamide, 40kg carbon ammonium, 180kg potassium chloride, 120kg ammonium chloride,
80kg ammonium sulfate and 80kg humic acid mix and blend 30min；20kg glutaraldehyde is added in stirring under 40 DEG C of constant temperatures, naturally cold
But to system temperature to 20 DEG C, under 20 DEG C of constant temperatures, clay is added stirring to obtain product in 6 hours.
Embodiment three
By the 10kg degree of polymerization be 1600 polyvinyl alcohol and the mixing of 550kg water, 50 DEG C of heated at constant temperature stirring and dissolving are to transparent
Afterwards, sequentially add in mixed liquor 2kg sorbester p17,150kg carbamide, 60kg carbon ammonium, 220kg potassium chloride, 80kg ammonium chloride,
120kg ammonium sulfate and 120kg humic acid mix and blend 30min；30kg glutaraldehyde is added in stirring under 50 DEG C of constant temperatures, natural
It is cooled to system temperature to 30 DEG C, add stirring to obtain product in 5 hours clay under 30 DEG C of constant temperatures.
The utilization rate of its each effective ingredient reaches and is above 50% the product of embodiment preparation in actual applications, whole plants
Process is not using any other antibacterial.
Claims (10)
1. a kind of slow release fertilizer containing humic acid it is characterised in that：Including following components by weight percent：
Carbamide 130-200 part, carbon ammonium 30-70 part, potassium chloride 160-240 part, humic acid 70-125 part, ammonium chloride 70-125 part,
Ammonium sulfate 70-130 part, clay 30-60 part, polyvinyl alcohol 8-18 part, glutaraldehyde 15-35 part, emulsifying agent 0.5-2 part, water 450-
700 parts.
2. the slow release fertilizer containing humic acid according to claim 1 it is characterised in that：Including following components by weight percent：
Carbamide 150-180 part, carbon ammonium 40-60 part, potassium chloride 180-220 part, humic acid 80-120 part, ammonium chloride 80-120 part,
Ammonium sulfate 80-120 part, clay 40-60 part, polyvinyl alcohol 10-15 part, glutaraldehyde 20-30 part, emulsifying agent 0.5-2 part, water 550-
650 parts.
3. the slow release fertilizer containing humic acid according to claim 1 it is characterised in that：Including following components by weight percent：
160 parts of carbamide, 50 parts of carbon ammonium, 200 parts of potassium chloride, 100 parts of humic acid, 100 parts of ammonium chloride, 100 parts of ammonium sulfate, clay 50
Part, 12 parts of polyvinyl alcohol, 25 parts of glutaraldehyde, 1 part of emulsifying agent, 600 parts of water.
4. the slow release fertilizer containing humic acid according to any one in claim 1-3 it is characterised in that：Described polyethylene
The degree of polymerization of alcohol is 1650-1750.
5. the slow release fertilizer containing humic acid according to any one in claim 1-3 it is characterised in that：Described emulsifying agent
For span or tween.
6. the preparation method of the slow release fertilizer containing humic acid as described in any one in claim 1-5, including step：
A. by polyethylene alcohol and water mix, heated and stirred be dissolved to transparent after, sequentially add in mixed liquor emulsifying agent, carbamide,
Carbon ammonium, potassium chloride, ammonium chloride, ammonium sulfate and humic acid；
B. add glutaraldehyde in stirring, finally clay is added the product that stirs to obtain.
7. the slow release fertilizer containing humic acid according to claim 6 preparation method it is characterised in that：In described step A
Heating-up temperature is 40-50 DEG C.
8. the slow release fertilizer containing humic acid according to claim 6 preparation method it is characterised in that：In described step B
When adding glutaraldehyde, system is in 40-50 DEG C of constant temperature.
9. the slow release fertilizer containing humic acid according to claim 6 preparation method it is characterised in that：In described step B
The mode adding glutaraldehyde is Deca.
10. the slow release fertilizer containing humic acid according to claim 6 preparation method it is characterised in that：In described step B
Add clay when system temperature constant temperature at 20-30 DEG C, and add clay after mixing time be not less than 5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610750532.6A CN106380280A (en) | 2016-08-29 | 2016-08-29 | Slow release fertilizer containing humic acid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610750532.6A CN106380280A (en) | 2016-08-29 | 2016-08-29 | Slow release fertilizer containing humic acid and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106380280A true CN106380280A (en) | 2017-02-08 |
Family
ID=57917065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610750532.6A Pending CN106380280A (en) | 2016-08-29 | 2016-08-29 | Slow release fertilizer containing humic acid and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470485A (en) * | 2002-07-23 | 2004-01-28 | 中国科学院南京土壤研究所 | Carrier type slow-release fertilizer and its preparing method |
| CN1535939A (en) * | 2003-04-09 | 2004-10-13 | 陈大顺 | Fertilizer coating composite, its making method and multicomponent coated granular fertilizer |
| CN102910991A (en) * | 2012-09-29 | 2013-02-06 | 湖北富邦科技股份有限公司 | Large-granule sustained-release ammonium chloride fertilizer, preparation method thereof and special granulating sustained-release material |
-
2016
- 2016-08-29 CN CN201610750532.6A patent/CN106380280A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470485A (en) * | 2002-07-23 | 2004-01-28 | 中国科学院南京土壤研究所 | Carrier type slow-release fertilizer and its preparing method |
| CN1535939A (en) * | 2003-04-09 | 2004-10-13 | 陈大顺 | Fertilizer coating composite, its making method and multicomponent coated granular fertilizer |
| CN102910991A (en) * | 2012-09-29 | 2013-02-06 | 湖北富邦科技股份有限公司 | Large-granule sustained-release ammonium chloride fertilizer, preparation method thereof and special granulating sustained-release material |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170208 |
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| RJ01 | Rejection of invention patent application after publication |