CN107500881A - A kind of water holding controlled release fertilizer and preparation method thereof - Google Patents
A kind of water holding controlled release fertilizer and preparation method thereof Download PDFInfo
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- CN107500881A CN107500881A CN201710808572.6A CN201710808572A CN107500881A CN 107500881 A CN107500881 A CN 107500881A CN 201710808572 A CN201710808572 A CN 201710808572A CN 107500881 A CN107500881 A CN 107500881A
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- Prior art keywords
- controlled release
- water
- water holding
- release fertilizer
- holding controlled
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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
- C05C9/00—Fertilisers containing urea or urea compounds
-
- 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
-
- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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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 discloses a kind of water holding controlled release fertilizer, the fertilizer includes modified meerschaum, compound fertilizer, vermiculite power, sodium alginate, biosurfactant and chlorination calcium component, the present invention is with natural mineral fillers vermiculite power, modified meerschaum is used as water-loss reducer, has the advantages of cost is low, green；Using outer membrane of the silicon mosanom hydrogel as Wrapped fertilizer, there is good biological degradability, and cost is low.
Description
Technical field
The invention belongs to Crop fertilizer technical field, and in particular to a kind of water holding controlled release fertilizer and preparation method thereof.
Background technology
Arid is the natural calamity that China takes place frequently, and is to influence meteorology the most serious to China's agricultural production and agricultural economy
Disaster, Droughts loss account for China every year various natural calamity summations more than 15%.Therefore, water saving is greatly developed in China
Technology of Drought-resistant is particularly important, and one of important technique measure in terms of being saving water, resisting drought using water-loss reducer, research show water-loss reducer
Acted on soil water sorption and moisture holding capacity, enhancing retention capacity of soil, improved soil structure etc. is improved.In addition, water-loss reducer
Using also can be as the effective measures of fertilizer synergistic, there are some researches show water-loss reducer can lift soil fertilizer ability, so as to reduce
Fertilizer loss, improve utilization rate of fertilizer.But water-loss reducer, which is used alone, can increase agriculture production cost, and water-loss reducer dosage
It is small, it is difficult to fully to be contacted with fertilizer, influence liquid manure benefit, and consider mostly important factor moisture and fertilizer in agricultural production
Material, by either physically or chemically by fertilizer and water-loss reducer composite integrated, so as to strengthen crop drought resistance ability, reducing nutrient leaching
Lose, improve utilization rate of fertilizer, give full play to the cooperative effect of liquid manure.
Characteristic of the current research mainly from fertilizer in itself is set about, including conventional fertilizers is improved and development of new
Slow release fertilizer.The Main Means for developing slow release fertilizer have：Using film-coating technique or addition inhibitor；Control Nitrogen releasing；Extend
The term of validity that crop absorbs to it, finally increases operation rate, China Patent Publication No. CN105906414A by PEG, PVA,
AA prepares the reaction solution of composite water absorbent resin in the presence of initiator and crosslinking agent, by humic acid before reaction solution stops stirring
Particle is put into seed-coating machine, under rotation situation penetrating prepare the reaction solution of water-absorbing resin, stir, and heat up, dry extremely
Water content is not more than 5.0%；The water holding controlled release particle of PEG/PVA/PAA composite water absorbent resins cladding humic acid is can obtain, this
Class water conservation, release and release control fertilizer cause environmental pollution as the high polymer material of coating layer due to being difficult to biodegradation, are not easy to make for a long time
With.Therefore it is that current agricultural production is eager to solve the problems, such as to research and develop a kind of environmentally friendly water holding controlled release fertilizer.
The content of the invention
According to above the deficiencies in the prior art, the technical problems to be solved by the invention are that proposition is a kind of environmentally friendly
Water holding controlled release fertilizer, by natural mineral fillers vermiculite power, modified meerschaum is as water-loss reducer, coated compound fertilizer material, and with sea
Mosanom forms the modified compound fertilizer material of hydrogel parcel as shell, has a water conservation, controlled release, it is environment-friendly the advantages of.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of water holding controlled release fertilizer, it is made up of following quality accounting component：
Preferably, described water holding controlled release fertilizer, it is characterised in that be made up of following quality accounting component：
Preferably, the modified meerschaum is that salt acid soak of the sepiolite in 1.2mol/L is vibrated into 4h, by filtering, wash
200 mesh sieves are washed, dry and cross to be prepared.
Preferably, the compound fertilizer is that mass ratio is 1:0.5:0.5:0.03 urea, biological bacteria, humic acid and γ-
The mixture of polyglutamic acid.
Preferably, biological bacteria is bacillus subtilis.
Preferably, the vermiculite power particle diameter is 150-200 mesh.
Preferably, the biosurfactant is cyclic lipopeptide biosurfactant.
A kind of preparation method of water holding controlled release fertilizer, is comprised the following steps that：
1) by 1/2 amount of biosurfactant it is soluble in water be configured to concentration be 0.1-0.2 the aqueous solution, add be modified
Sepiolite, 10-15min is dispersed with stirring, adds vermiculite power, continue to be dispersed with stirring 10-15min, vermiculite is obtained after drying, grinding
The modified meerschaum powder of powder parcel；
2) compound fertilizer and remaining biosurfactant are subjected to scattered stirring 15-20min, add above-mentioned preparation
Vermiculite power parcel modified meerschaum powder, continue to be dispersed with stirring 5-8min, obtain modified compound fertilizer material；
3) sodium alginate is dissolved in deionized water, it is all molten to sodium alginate that 1-1.5h is stirred under the conditions of 70-75 DEG C
Solution；1/2 amount of the modified compound fertilizer material of above-mentioned preparation is dissolved in deionized water at normal temperatures, and it is ultrasonic in ultrasonic disperse machine
10-15min；When sodium alginate soln temperature is down to 60-65 DEG C, the above-mentioned modified compound fertilizer material aqueous solution is added, and ultrasound
Scattered 10-15min, it will finally be instilled dissolved with the aqueous solution of modified compound fertilizer material and sodium alginate compound dissolved with same amount modification
The calcium chloride water of fertilizer, obtain the hydrogel bead of sodium alginate parcel urine modified compound fertilizer material.
Compared with prior art, present invention has the advantages that:
1. the present invention uses natural mineral fillers vermiculite power, modified meerschaum is used as water-loss reducer, has cost low, green
The advantages of environmentally friendly.
2. the present invention uses outer membrane of the silicon mosanom hydrogel as Wrapped fertilizer, there is good biological degradability, and
Cost is low, and manufacture craft is simple.
Embodiment
Below by the description to embodiment, it is described in further detail, to help those skilled in the art to this hair
Bright inventive concept, technical scheme have more complete, accurate and deep understanding.
Embodiment 1
A kind of water holding controlled release fertilizer in the present embodiment, each component quality accounting are as follows：
Preparation method comprises the following steps that：
1) 1/2 amount of the cyclic lipopeptide biosurfactant concentration soluble in water that is configured to is added for 0.15 aqueous solution
Enter the salt acid soak vibration 4h through 1.2mol/L, filtering, washing, drying, cross 200 mesh sieves and be prepared modified meerschaum, in height
In fast dispersator, 10min is dispersed with stirring, adds the vermiculite power of 200 mesh, continues to be dispersed with stirring 15min, is dried, grinding,
Obtain the modified meerschaum powder of vermiculite power parcel；
2) will be 1 by mass ratio:0.5:0.5:0.03 urea, bacillus subtilis biological bacteria, humic acid, γ-poly- paddy
The compound fertilizer of the mixing of propylhomoserin is added in high speed dispersor together with remaining cyclic lipopeptide biosurfactant, is carried out
Scattered stirring 15min, the modified meerschaum powder of the vermiculite power parcel of above-mentioned preparation is added, continues to be dispersed with stirring 8min, must change
Property compound fertilizer；
3) sodium alginate is dissolved in deionized water, 1h is stirred under the conditions of 70 DEG C and is all dissolved to sodium alginate；Will be upper
1/2 amount for stating the modified compound fertilizer material of preparation is dissolved in deionized water at normal temperatures, and the ultrasonic 10min in ultrasonic disperse machine；
When sodium alginate soln temperature is down to 60 DEG C, the above-mentioned modified compound fertilizer material aqueous solution is added, and ultrasonic disperse 15min, most
The calcium chloride water dissolved with same amount modified compound fertilizer material will be instilled dissolved with the aqueous solution of modified compound fertilizer material and sodium alginate afterwards
Solution, obtain the hydrogel bead of sodium alginate parcel urine modified compound fertilizer material.
Embodiment 2
The present embodiment preparation method is with embodiment 1, the difference is that a kind of water holding controlled release fertilizer in the present embodiment, each group sub-prime
It is as follows to measure accounting：
Embodiment 3
The present embodiment preparation method is with embodiment 1, and a kind of water holding controlled release fertilizer in the present embodiment, each component quality accounting is such as
Under：
Fertilizer performance test prepared by embodiment：
The water holding controlled release performance test of water holding controlled release fertilizer：Implemented using batch (-type) native fish measure Water-retaining slow-release fertilizer
Example 1-3 and the pure soil eluviation post not add fertilizer be used as blank control.Each processing is repeated 5 times, and stands 24h every time, altogether
Leaching 7 times.Test data is as follows after molten leaching for the first time：Embodiment 1-3 Element release amount is less than control group, and control group
Nitrogen and potassium element are after the 3rd molten leaching, and burst size nearly reaches 100%, and the burst size of embodiment 1-3 nitrogen potassium element
Burst size is 41% after 84-89%, the 7th molten leaching of control group P elements, and embodiment 1-3 P elements burst size is in 25-
30%, and the test by the moisture evaporation of water holding controlled release fertilizer is found, with the increase of water holding controlled release fertilizer, the evaporation rate of moisture
Be gradually reduced, addition be 2% when, the 5th day moisture evaporation rate 42.1%.
| Element release amount (%) | Control group | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Nitrogen | 81.9 | 30.8 | 37.8 | 41.2 |
| Phosphorus | 18.7 | 8.3 | 11.7 | 14.4 |
| Potassium | 83.64 | 43.2 | 48.8 | 54.1 |
The present invention is exemplarily described above in conjunction with specific embodiment, it is clear that present invention specific implementation is not by upper
The limitation of mode is stated, if the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or
It is not improved by the present invention design and technical scheme directly apply to other occasions, protection scope of the present invention it
It is interior.Protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (8)
1. a kind of water holding controlled release fertilizer, it is characterised in that be made up of following quality accounting component：
2. water holding controlled release fertilizer according to claim 1, it is characterised in that be made up of following quality accounting component：
3. water holding controlled release fertilizer according to claim 1, it is characterised in that the modified meerschaum is that sepiolite exists
1.2mol/L salt acid soak vibration 4h, filtered, washing, drying and 200 mesh sieves excessively are prepared.
4. water holding controlled release fertilizer according to claim 1, it is characterised in that the compound fertilizer is that mass ratio is 1:0.5:
0.5:0.03 urea, biological bacteria, the mixture of humic acid and gamma-polyglutamic acid.
5. water holding controlled release fertilizer according to claim 4, it is characterised in that the biological bacteria is bacillus subtilis.
6. water holding controlled release fertilizer according to claim 1, it is characterised in that the vermiculite power particle diameter is 150-200 mesh.
7. water holding controlled release fertilizer according to claim 1, it is characterised in that the biosurfactant is cyclic lipopeptide
Biosurfactant.
8. the preparation method of the water holding controlled release fertilizer described in a kind of claim 1, it is characterised in that comprise the following steps that：
1) aqueous solution that concentration is 0.1-0.2 is configured to by 1/2 amount of biosurfactant is soluble in water, add modified Hai Pao
Stone, 10-15min is dispersed with stirring, adds vermiculite power, continue to be dispersed with stirring 10-15min, vermiculite power bag is obtained after drying, grinding
The modified meerschaum powder wrapped up in；
2) by compound fertilizer and remaining biosurfactant, scattered stirring 15-20min is carried out, adds above-mentioned preparation
The modified meerschaum powder of vermiculite power parcel, continues to be dispersed with stirring 5-8min, obtains modified compound fertilizer material；
3) sodium alginate is dissolved in deionized water, 1-1.5h is stirred under the conditions of 70-75 DEG C and is all dissolved to sodium alginate；Will
1/2 amount of the modified compound fertilizer material of above-mentioned preparation is dissolved in deionized water at normal temperatures, and the ultrasonic 10- in ultrasonic disperse machine
15min；When sodium alginate soln temperature is down to 60-65 DEG C, the above-mentioned modified compound fertilizer material aqueous solution is added, and ultrasonic disperse
10-15min, it will finally be instilled dissolved with the aqueous solution of modified compound fertilizer material and sodium alginate dissolved with same amount modified compound fertilizer material
Calcium chloride water, obtain sodium alginate parcel urine modified compound fertilizer material hydrogel bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710808572.6A CN107500881A (en) | 2017-09-09 | 2017-09-09 | A kind of water holding controlled release fertilizer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710808572.6A CN107500881A (en) | 2017-09-09 | 2017-09-09 | A kind of water holding controlled release fertilizer and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107500881A true CN107500881A (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710808572.6A Pending CN107500881A (en) | 2017-09-09 | 2017-09-09 | A kind of water holding controlled release fertilizer and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658660A (en) * | 2018-05-25 | 2018-10-16 | 陕西科技大学 | A kind of preparation process of the water polo of degradable polymer shell package |
| CN114956888A (en) * | 2022-03-24 | 2022-08-30 | 吉林化工学院 | Water-retention controlled-release fertilizer and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1237612A (en) * | 1998-05-12 | 1999-12-08 | 唐山市六通节能材料研究所 | Soil water-reataining fertilizer-keeping agent |
| CN101891543A (en) * | 2010-07-14 | 2010-11-24 | 兰州大学 | Method for preparing granular compound fertilizer |
| CN104003807A (en) * | 2014-06-12 | 2014-08-27 | 青岛科技大学 | Double-package water-retention slow-release pesticide granular preparation and preparation method |
| CN104761387A (en) * | 2015-04-13 | 2015-07-08 | 中国热带农业科学院橡胶研究所 | Water-retaining and slowly-release compound fertilizer and preparation method thereof |
| CN106699483A (en) * | 2016-12-14 | 2017-05-24 | 张明玉 | Double-layered coated water-retention slow-released fertilizer capable of releasing negative ions and preparation method of double-layered coated water-retention slow-released fertilizer |
-
2017
- 2017-09-09 CN CN201710808572.6A patent/CN107500881A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1237612A (en) * | 1998-05-12 | 1999-12-08 | 唐山市六通节能材料研究所 | Soil water-reataining fertilizer-keeping agent |
| CN101891543A (en) * | 2010-07-14 | 2010-11-24 | 兰州大学 | Method for preparing granular compound fertilizer |
| CN104003807A (en) * | 2014-06-12 | 2014-08-27 | 青岛科技大学 | Double-package water-retention slow-release pesticide granular preparation and preparation method |
| CN104761387A (en) * | 2015-04-13 | 2015-07-08 | 中国热带农业科学院橡胶研究所 | Water-retaining and slowly-release compound fertilizer and preparation method thereof |
| CN106699483A (en) * | 2016-12-14 | 2017-05-24 | 张明玉 | Double-layered coated water-retention slow-released fertilizer capable of releasing negative ions and preparation method of double-layered coated water-retention slow-released fertilizer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658660A (en) * | 2018-05-25 | 2018-10-16 | 陕西科技大学 | A kind of preparation process of the water polo of degradable polymer shell package |
| CN114956888A (en) * | 2022-03-24 | 2022-08-30 | 吉林化工学院 | Water-retention controlled-release fertilizer and preparation method thereof |
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Application publication date: 20171222 |