CN103193555A - Non-metallic mineral long-acting nitrogenous fertilizer nitrification inhibitor and preparation method thereof - Google Patents
Non-metallic mineral long-acting nitrogenous fertilizer nitrification inhibitor and preparation method thereof Download PDFInfo
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- CN103193555A CN103193555A CN2013101096810A CN201310109681A CN103193555A CN 103193555 A CN103193555 A CN 103193555A CN 2013101096810 A CN2013101096810 A CN 2013101096810A CN 201310109681 A CN201310109681 A CN 201310109681A CN 103193555 A CN103193555 A CN 103193555A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention discloses a non-metallic mineral long-acting nitrogenous fertilizer nitrification inhibitor and a preparation method thereof. The preparation method is characterized by comprising the following steps: introducing 1-50 parts of the nitrification inhibitor into 100 parts of 25-100 DEG C water so as to make a solution; adding 25-75 parts of nitrification inhibitor solution into every 100 parts of non-metallic mineral powder; and sufficiently stirring and drying so as to obtain the nitrification inhibitor; or a binder accounting for 1-5% of the total weight of the non-metallic mineral and the nitrification inhibitor solution is added, sufficiently stirred, palletized and dried; or a mixture of the non-metallic mineral and the nitrification inhibitor solution or a screened powder product covers the outer surface of the fertilizer. The product is prepared by utilizing the excellent abruption property of the non-metallic mineral, the process is simple, the cost is low, the slow-release effect is better, and the inhibition effect on the activity of soil enzyme is longer; and meanwhile the non-metallic mineral can further provide various beneficial elements to the soil, so that the physicochemical properties of the soil are improved.
Description
Technical field
The present invention relates to a kind of fertilizer stablizer, particularly a kind of with non-metallic minerals as long-acting nitrogen fertilizer nitrification inhibitor of sorbent material and preparation method thereof, belong to the fertilizer additive field.
Background technology
The excess of fertilizer nitrogen and unreasonable using cause present utilization rate of nitrogen fertilizer generally lower.Nitrogen apparent efficiency has only 30～35% in China's agriculture production, prolific area even below 30%.This has not only caused the huge waste of economy and resource, has also brought huge environmental risk, and causing the ecological environment security problem to become influences the significant problem of current and long-range agriculture production, agricultural product security and human health.Therefore how the conversion process of conditioned fertilizer product nitrogen in soil, to promote its effective utilization, and control it to the issuable disadvantageous effect of environmental quality, realize the benign cycle of fertilizer nitrogen in the ecosystem, the focus and the difficult point that have become current soil fertilizer research field and ecotope field to pay close attention to.Therefore development high yield, high-quality, saving of labor, free of contamination nitrogenous fertilizer administrative skill have also become the major objective in the soil nitrogen research.Effective regulation and control to soil nitrification then are to realize one of key measure of this target.
Adding nitrification inhibitor in the chemical nitrogen fertilizer and regulate the conversion process of nitrogen in soil to improve the utilization ratio of fertilizer nitrogen, is a nitrogenous fertilizer administrative skill that development potentiality is arranged very much.With realize the fertilizer modification by physics and chemistry route and compare, add the stabile fertilizer of nitrification inhibitor because its production technique is simple, production cost is relatively low, and application effect is more remarkable, is subjected to domestic and international correlative study person and fertilizer industry personnel's extensive attention always.In whole nitrogen fertilizers that our times is used, the quantity of ammonium fertilizer and acid amides nitrogenous fertilizer has accounted for more than 90%, use nitrification inhibitor and delay the oxidation process of ammonium nitrogen in soil, to reduce the discharging of leaching of nitrate loss and oxynitride, alleviate environmental pollution, improve the utilization ratio of its contained nitrogen, will have more importantly realistic meaning.
Because the inhibition efficient of nitrification inhibitor height and validity period length are except the character that depends on this inhibitor itself and biological activity, also be subjected to soil type, organic content, temperature, moisture, the remarkably influenced of soil management measure etc., although it is a lot of therefore to be proved to be the compound with inhibiting nitrification effect, but really can be in agriculture production the desirable nitrification inhibitor kind of large-scale application very limited, use in agriculture production and also exist many tangible deficiencies, exploitation is efficient, low toxicity, the environmentally friendly nitrification inhibitor kind of wide adaptability remains trend of the times.
Non-metallic mineralss such as zeolite, wilkinite, medical stone, diatomite, sepiolite, glaukonine, vermiculite, perlite, because it has high loading capacity and ion-exchange capacity, and can provide the middle micronutrient element of reasonable concentration in the soil, and wide material sources, with low cost, nontoxic, be used as ore deposit fertilizer, soil improvement agent, crop growth regulator and fertilizer carrier already.Be example with the zeolite, its structure is the three-dimensional space frame columnar structure with infinite expanding that is made of silicon, aluminium and three kinds of elementary composition tetrahedrons of oxygen, and this structure opening is bigger, and interior surface thereof is long-pending very big, and the specific surface area of every gram zeolite can reach 355～1000m
2, so it has superpower absorption property.
Summary of the invention
The object of the present invention is to provide that a kind of technology is simple, raw material is sufficient, with low cost, obvious results nitrogenous fertilizer nitrification inhibitor, it is mainly formed by the aqueous solution and the absorption of non-metallic minerals powder mixes of nitrification inhibitor, such fertilizer additive carrier and the direct uneven and incomplete problem of the absorption that causes of mixing of additive have in the past been solved, the oxidation rate that is used for the nitrogenous fertilizer ammonium nitrogen of regulation and control reduces the formation of fertilising back nitrate.
For achieving the above object, the technological line of the present invention's employing is as follows:
A kind of non-metallic minerals base long-acting nitrogen fertilizer nitrification inhibitor and preparation method thereof is characterized in that, comprises the following steps:
1) 1～50 part nitrification inhibitor being fed 100 parts is to form the aqueous solution in 25～100 ℃ the water;
2) per 100 parts non-metallic minerals powder adds 25～75 parts the nitrification inhibitor aqueous solution, fully stirs, and dries, pulverizes, sieves namely.
The binding agent that also can add non-metallic minerals and nitrification inhibitor total solution weight 1～5% fully stirs, oven dry or use film-coating technique after the granulation, the powdery product with mixture or the oven dry of non-metallic minerals and the nitrification inhibitor aqueous solution, after pulverizing, sieving is coated on the fertilizer outside surface.
Described nitrification inhibitor refers to Dyhard RU 100 (DCD), 3,4-dimethyl pyrazole phosphoric acid salt (DMPP), 3-methylpyrazole-1-carboxylic acid amides (CMP), 4-chloro-3-methylpyrazole, thiocarbamide, 4-amino-1, a kind of in 2,4-triazole (ATC), 2-chloro-6-(trichloromethyl) pyridine, the 2-amino-4-chloro-6-methylpyrimidine.Described non-metallic minerals is a kind of in zeolite, wilkinite, medical stone, diatomite, sepiolite, glaukonine, vermiculite or the perlite.Described non-metallic minerals powder is that diameter is less than the powder of 0.15mm (100 order).
The present invention has following advantage:
1. products obtained therefrom of the present invention is mainly formed by the aqueous solution and the absorption of non-metallic minerals powder mixes of nitrification inhibitor.Use solid-liquid mixing and absorption method and produce the long-acting nitrogen fertilizer nitrification inhibitor, it is advantageous that can guarantee inhibitor farthest adsorbed close in nonmetallic mineral material surface and inner, make slow release effect better, restraining effect to soil enzyme activities is longer, has effectively overcome in the past such fertilizer or fertilizer additive carrier and additive are directly mixed the uneven and incomplete problem of the absorption that causes.
2. solve in the past technology and that cause mixed uneven problem with fertilizer owing to the addition of inhibitor is less, and had accessibility and adjustability in application.
3. because non-metallic minerals itself is the good adsorption medium, can not only adsorb nitrification inhibitor, can also produce adsorption to the fertilizer in the soil, make fertilizer effectiveness more permanent.
4. non-metallic minerals itself also contains various crop beneficial elements such as potassium, sodium, calcium, iron, phosphorus, sulphur, manganese, zinc, silicon, after slowly being discharged in the soil easily by crop utilization, satisfy the multiple needs of plant-growth, to promoting plant growth, increasing output has obvious effect, can also strengthen crop disease-resistant insect pest ability.
5. using of this fertilizer can also be improved soil physical and chemical property.Nitrification has the trend of strengthening soil acidification, and using of nitrification inhibitor suppresses the nitrification generation, reduces the soil acidification risk.The using of sorbent material non-metallic minerals can be improved the soil aggregation body structure, increases soil pores quantity, be reduced the soil weight, can reduce in soil the harmful heavy metal of crop and the quantity of organic pollutant by its adsorption in addition.
Embodiment
Be further described in detail below in conjunction with the present invention of embodiment, but be not limited to this.
Embodiment 1
It is to form the aqueous solution in 50 ℃ the water that 5 parts inhibiting nitrification DMPP are fed 100 parts; 100 per 100 parts order zeolite powders add 30 parts the nitrification inhibitor DMPP aqueous solution, fully stir, and oven dry is pulverized, and cross 100 mesh sieves and namely get product.The weight content of products obtained therefrom DMPP is 1.5%.
Embodiment 2
It is to form the aqueous solution in 80 ℃ the water that 10 parts nitrification inhibitor CMP are fed 100 parts; 100 per 100 parts order wilkinite powder add 40 parts the nitrification inhibitor CMP aqueous solution, and the binding agent that adds wilkinite powder and CMP total solution weight 3% more fully stirs, and oven dry namely gets product after the granulation.The weight content of nitrification inhibitor CMP is 4% in the products obtained therefrom.
Embodiment 3
It is to form the aqueous solution in 90 ℃ the water that 10 parts inhibiting nitrification 4-chloro-3-methylpyrazoles are fed 100 parts; 100 per 100 parts order maifanite powders add 50 parts the nitrification inhibitor 4-chloro-3-methylpyrazole aqueous solution, fully stir, and oven dry is pulverized, and cross 100 mesh sieves and namely get product.The weight content that products obtained therefrom contains 4-chloro-3-methylpyrazole is 5%.
Embodiment 4
It is to form the aqueous solution in 70 ℃ the water that 20 parts nitrification inhibitor DCD are fed 100 parts; 100 per 100 parts order diatomite powders add 50 parts the nitrification inhibitor DCD aqueous solution, and the binding agent that adds diatomite powder and DCD total solution weight 2% more fully stirs, and oven dry namely gets product after the granulation.The weight content of nitrification inhibitor DCD is 10% in the products obtained therefrom.
Embodiment 5
It is to form the aqueous solution in 70 ℃ the water that 10 parts nitrification inhibitor DMPP are fed 100 parts; 200 per 100 parts purpose zeolite powders add 60 parts the nitrification inhibitor DMPP aqueous solution, use film-coating technique, the mixture of 10 parts of zeolite powders and the DMPP aqueous solution is coated on 30 parts of particulate state phosphoric acid two ammoniums (this diammonium phosphate available phosphorus content is 42%, and total nitrogen content is 15%) surface and dry.Gained particulate state phosphoric acid two ammonium nitrification inhibitor DMPP weight contents are 1.0%, and total nitrogen content is 12.4%.
Embodiment 6
It is to form the aqueous solution in 90 ℃ the water that 30 parts nitrification inhibitor DCD are fed 100 parts; 200 per 100 parts purpose sepiolite powder add 50 parts the nitrification inhibitor DCD aqueous solution, fully stir, and oven dry is pulverized, and crosses 200 mesh sieves, and the weight content of products therefrom nitrification inhibitor DCD is 15%.Use film-coating technique, 5 parts of powdery products are coated on 10 parts of granular urea outside surfaces, it is 5% that the gained granular urea contains nitrification inhibitor DCD weight content, and urea content is 66.7%, and sepiolite content is 28.3%.
Application examples 1
Should use-case be the culture experiment of adding fertilizer soil.Supplying examination soil is damp brown earth, and fresh soil sample is adopted back impurities removing and residual root system behind the laboratory, and it is standby to cross the 2mm sieve.Experiment is divided into 4 processing, the space management of 1. not adding fertilizer and nitrification inhibitor, and 3. the control treatment of 2. only adding fertilizer adds fertilizer and the processing of nitrification inhibitor purely, 4. adds fertilizer and uses the nitrification inhibitor that the embodiment of the invention 1 was handled.Supplying examination fertilizer is ammonium sulfate [(NH
4)
2SO
4], addition is 100mgN/kg soil, handles 3. and 4. adds DMPP according to equivalent, addition is 1% of purity nitrogen consumption.
The bright soil and the (NH that executes that will be equivalent to the 500g dry ground
4)
2SO
4With the abundant mixing of DMPP, in the polyethylene bottle of packing into.At bottle cap with several apertures of pinprick to have created the compression ring border, place 25 ℃ of incubator fixed temperature and humidity to cultivate then, every processing arranges 3 repetitions.Between incubation period, adopt the weighting method moisturizing weekly 3 times, make the abundant mixing of Tu Shui after the moisturizing, make soil moisture content remain on 20%.Ammonium nitrogen (NH in the 12nd, 25,50, the 80 day sampling and measuring soil after culture experiment begins
4 +-N) and nitric nitrogen (NO
3 --N) content.
Each handles measurement result referring to table 1.
Table 1 different treatment soil ammonium and nitrate nitrogen content
Experimental result shows, although the nitrification inhibitor DMPP (treatment process is with embodiment 1) that adds pure nitrification inhibitor DMPP and the processing of process this patent method all can effectively suppress the rate of oxidation of ammonium, but the processing of using nonmetallic mineral material absorption DMPP is compared with the processing of using pure DMPP, under the situation of identical addition, the content of ammonium nitrogen significantly increases when cultivating identical fate, and the content of nitric nitrogen significantly reduces simultaneously.This shows that the non-metallic minerals base long-acting nitrogen fertilizer nitrification inhibitor of using this patent production is really more excellent and more lasting than common nitrification inhibitor effect.
Application examples 2
Should use-case be the potted plant experiment of wheat.3 processing are established in experiment altogether: 1. singly execute granular urea and handle, 2. add granular urea and pure nitrification inhibitor DCD and handle, 3. add and handle 2. granular urea and the inhibitor DCD of equivalent, treatment process is with embodiment 6.To adorn basin behind fertilizer and the abundant mixing of soil, every basin is adorned native 5kg, applies particulate form urea by the amount of 100mgN/kg.
Second day sowing wheat.Every processing repeats 3 times, random alignment.Final singling after all emerging, every basin stays seedling 10 strains.Duration of test is respectively handled equivalent and is watered.Take a sample in seedling stage, tillering phase, jointing stage, heading stage and the harvesting time of wheat growth respectively, measure the ammonium nitrogen (NH of soil
4 +-N) and nitric nitrogen (NO
3 --N) content (table 2) is surveyed to produce and also measure nitrogen utilization efficiency (table 3) harvesting time.
The potted plant experiment different times of table 2 wheat different treatment soil ammonium and nitrate nitrogen content
The potted plant experimental yield of table 3 wheat and utilization rate of nitrogen fertilizer
Experimental result shows, the processing of adding nitrification inhibitor is mineral nitrogen quantity in improving soil no matter, still all playing comparatively significant effect aspect crop yield and the utilization rate of nitrogen fertilizer improving.With the biochemical restrainer that does not pass through any processing to than, the granular urea effect that Application Example 6 methods were handled is better, can not only be at the content that improves mineral nitrogen in the soil each period of plant growth, can also make crop yield 17.17%, improve utilization rate of nitrogen fertilizer 14.49%, these data have improved 9.34% and 6.18% respectively than adding pure inhibitor.
Claims (6)
1. non-metallic minerals base long-acting nitrogen fertilizer nitrification inhibitor and preparation method thereof is characterized in that, comprises the following steps:
1) 1～50 part nitrification inhibitor being fed 100 parts is to form the aqueous solution in 25～100 ℃ the water;
2) per 100 parts non-metallic minerals powder adds 25～75 parts the nitrification inhibitor aqueous solution, fully stirs, and oven dry is pulverized, and sieves namely.
2. according to described a kind of non-metallic minerals base long-acting nitrogen fertilizer nitrification inhibitor of claim 1 and preparation method thereof, it is characterized in that the binding agent that adds non-metallic minerals and nitrification inhibitor total solution weight 1～5% fully stirs, oven dry namely after the granulation.
3. according to described a kind of non-metallic minerals base long-acting nitrogen fertilizer nitrification inhibitor of claim 1 and preparation method thereof, it is characterized in that, use film-coating technique, with the mixture of non-metallic minerals and the nitrification inhibitor aqueous solution or the powdery product after sieving be coated on the fertilizer outside surface.
4. according to described a kind of non-metallic minerals base long-acting nitrogen fertilizer nitrification inhibitor of claim 1 and preparation method thereof, it is characterized in that, described nitrification inhibitor refers to Dyhard RU 100 (DCD), 3,4-dimethyl pyrazole phosphoric acid salt (DMPP), 3-methylpyrazole-1-carboxylic acid amides (CMP), 4-chloro-3-methylpyrazole, thiocarbamide, 4-amino-1, a kind of in 2,4-triazole (ATC), 2-chloro-6-(trichloromethyl) pyridine, the 2-amino-4-chloro-6-methylpyrimidine.
5. according to described a kind of non-metallic minerals base long-acting nitrogen fertilizer nitrification inhibitor of claim 1 and preparation method thereof, it is characterized in that described non-metallic minerals is a kind of in zeolite, wilkinite, medical stone, diatomite, sepiolite, glaukonine, vermiculite or the perlite.
6. according to described a kind of non-metallic minerals base long-acting nitrogen fertilizer nitrification inhibitor of claim 1 and preparation method thereof, it is characterized in that described non-metallic minerals powder is that diameter is less than the powder of 0.15mm (100 order).
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664368A (en) * | 2013-12-03 | 2014-03-26 | 中国科学院过程工程研究所 | Silicon compound coated slow release fertilizer and preparation method thereof |
| CN104628467A (en) * | 2015-01-26 | 2015-05-20 | 张彬 | Long-acting water-soluble fertilizer and preparation method thereof |
| CN105061024A (en) * | 2015-07-28 | 2015-11-18 | 魏占波 | Modified diammonium phosphate |
| CN105175098A (en) * | 2015-07-28 | 2015-12-23 | 魏占波 | Modified ammonium sulfate |
| CN105294303A (en) * | 2015-11-20 | 2016-02-03 | 湖州师范学院 | Nonmetallic mineral-based urea coated slow-release fertilizer particle and preparation method thereof |
| CN108017478A (en) * | 2017-11-06 | 2018-05-11 | 石河子大学 | A kind of nitrification inhibitor of poly- polyphenol cladding and preparation method and application |
| CN109608292A (en) * | 2018-12-27 | 2019-04-12 | 中国科学院生态环境研究中心 | A kind of nitrogen fertilizer composition and application thereof |
| CN112919981A (en) * | 2021-04-13 | 2021-06-08 | 福建恒生态建筑工程有限公司 | Process for composting branches and excrement |
| CN113683468A (en) * | 2021-09-10 | 2021-11-23 | 中国科学院沈阳应用生态研究所 | Nitration inhibitor protection auxiliary agent and application thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664368A (en) * | 2013-12-03 | 2014-03-26 | 中国科学院过程工程研究所 | Silicon compound coated slow release fertilizer and preparation method thereof |
| CN104628467A (en) * | 2015-01-26 | 2015-05-20 | 张彬 | Long-acting water-soluble fertilizer and preparation method thereof |
| CN105061024A (en) * | 2015-07-28 | 2015-11-18 | 魏占波 | Modified diammonium phosphate |
| CN105175098A (en) * | 2015-07-28 | 2015-12-23 | 魏占波 | Modified ammonium sulfate |
| CN105294303A (en) * | 2015-11-20 | 2016-02-03 | 湖州师范学院 | Nonmetallic mineral-based urea coated slow-release fertilizer particle and preparation method thereof |
| CN108017478A (en) * | 2017-11-06 | 2018-05-11 | 石河子大学 | A kind of nitrification inhibitor of poly- polyphenol cladding and preparation method and application |
| CN109608292A (en) * | 2018-12-27 | 2019-04-12 | 中国科学院生态环境研究中心 | A kind of nitrogen fertilizer composition and application thereof |
| CN112919981A (en) * | 2021-04-13 | 2021-06-08 | 福建恒生态建筑工程有限公司 | Process for composting branches and excrement |
| CN113683468A (en) * | 2021-09-10 | 2021-11-23 | 中国科学院沈阳应用生态研究所 | Nitration inhibitor protection auxiliary agent and application thereof |
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Application publication date: 20130710 |