CN110317118B - Application of 2, 4-dichlorphenoxyacetic acid butyl ester in improving utilization rate of nitrogen fertilizer and/or reducing loss of nitrogen element - Google Patents
Application of 2, 4-dichlorphenoxyacetic acid butyl ester in improving utilization rate of nitrogen fertilizer and/or reducing loss of nitrogen element Download PDFInfo
- Publication number
- CN110317118B CN110317118B CN201910638627.2A CN201910638627A CN110317118B CN 110317118 B CN110317118 B CN 110317118B CN 201910638627 A CN201910638627 A CN 201910638627A CN 110317118 B CN110317118 B CN 110317118B
- Authority
- CN
- China
- Prior art keywords
- fertilizer
- nitrogen
- utilization rate
- butyl ester
- nitrification
- 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.)
- Active
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
-
- 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
- C05G5/20—Liquid fertilisers
- C05G5/27—Dispersions, e.g. suspensions or emulsions
-
- 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 provides application of 2, 4-dichlorophenoxy butyl acetate in improving the utilization rate of a nitrogen fertilizer and/or reducing the loss of nitrogen, belonging to the technical field of nitrification inhibitors; the 2, 4-dichlorophenoxy butyl acetate can greatly improve the utilization rate of the nitrogen fertilizer by inhibiting the nitrification of the nitrogen fertilizer. The invention also provides a nitrogen-containing fertilizer which comprises 2, 4-dichlorphenoxyacetic acid butyl ester; the mass percentage of the 2, 4-dichlorphenoxyacetic acid butyl ester in the nitrogen-containing fertilizer is 1-5%. The nitrogenous fertilizer disclosed by the invention is high in utilization rate and has a weeding effect. The invention also provides a slow-release water-soluble fertilizer and a preparation method thereof. The invention combines the production process of the 2, 4-dichlorphenoxyacetic acid butyl ester with the production process of the water-soluble suspended liquid fertilizer, so that the slow-release suspended liquid fertilizer is more stable, and the utilization rate of the nitrogen fertilizer is further improved.
Description
Technical Field
The invention relates to the technical field of nitrification inhibitors, in particular to application of 2, 4-dichlorphenoxyacetic acid butyl ester in improving the utilization rate of a nitrogen fertilizer and/or reducing the loss of nitrogen elements.
Background
Nitrogen fertilizer is a unit fertilizer which takes nitrogen (N) as a main component, has the quantity indicated by N and can provide plant nitrogen nutrition when applied to soil. The application of nitrogen fertilizer has important effects on the aspects of crop yield, crop quality and the like, so the nitrogen fertilizer is also called as 'current fertilizer'. The application of nitrogen fertilizer is an effective measure for solving the problem of food in China. No matter the leaching loss or the gaseous loss of nitrogen in the soil can cause pollution to the environment, and meanwhile, the utilization rate of the nitrogen fertilizer is also reduced, so that economic loss is caused. The destination of nitrogen fertilizer in farmland in China includes crop absorption and utilization and loss parts, loss ways include ammonia volatilization, nitrification-denitrification, leaching, surface runoff and the like, wherein the nitrification-denitrification loss part accounts for 34 percent, and the specific gravity is high. In the ecological system of farmland in China, about 174 million/year of nitrogen fertilizer is lost through leaching and runoff. The loss of nitrogen fertilizer causes environmental pollution and other problems, and seriously threatens the safety of the ecological environment. Therefore, effectively improving the utilization rate of the nitrogen fertilizer and reducing the loss of nitrogen becomes a problem which needs to be paid attention to in social development.
The nitrification is a key link for determining the effective utilization degree of nitrogen by crops, and is used as a link for ammoniation and denitrification, and soil acidification, water pollution and greenhouse gas N2O release and other ecological environmental problems are directly related and form a central link of nitrogen circulation. There are many means and ways to realize effective management and utilization of nitrogen fertilizer, and at present, the nitrogen fertilizer is generally realized by adopting a form of controlling nitrogen conversion by a nitrification inhibitor. At present, common nitrification inhibitors comprise DCD (dicyandiamide), chloropyridine (Nitrapyrin, 2-chloro-6-trichloromethylpyridine), coated calcium carbide and the like, and because the nitrification inhibitors are toxic to ammonia oxidizing bacteria, the nitrification inhibitors inhibit the conversion of ammonium nitrogen into nitrite nitrogen, so that nitrogen fertilizers such as urea and the like are stored in soil in the form of ammonium nitrogen, the enrichment of high-concentration nitrite nitrogen and nitrate nitrogen in soil is avoided, the loss amount through the ways of leaching, runoff, ammonia volatilization, denitrification and the like is reduced, and the loss amount of N is reduced at the same time2The amount of O released.
At present, no report about the application of butyl 2, 4-dichlorophenoxyacetate as a nitrification inhibitor exists.
Disclosure of Invention
The invention aims to provide application of 2, 4-dichlorphenoxyacetic acid butyl ester in improving the utilization rate of a nitrogen fertilizer and/or reducing the loss of nitrogen elements, and the 2, 4-dichlorphenoxyacetic acid butyl ester can greatly improve the utilization rate of the nitrogen fertilizer by inhibiting the nitrification of the nitrogen fertilizer.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides application of 2, 4-dichlorphenoxyacetic acid butyl ester in improving the utilization rate of a nitrogen fertilizer and/or reducing the loss of nitrogen elements.
Preferably, the application is realized by inhibiting the nitrification of the nitrogen fertilizer by using the butyl 2, 4-dichlorophenoxyacetate.
The invention also provides a nitrogen-containing fertilizer which comprises 2, 4-dichlorphenoxyacetic acid butyl ester; the mass percentage of the 2, 4-dichlorphenoxyacetic acid butyl ester in the nitrogen-containing fertilizer is 1-5%.
The invention also provides a slow-release water-soluble fertilizer which comprises the following raw materials in parts by weight: 30-50 parts of amino acid fermentation tail liquid, 15-30 parts of nitrogenous fertilizer, 5-20 parts of potash fertilizer, 0.5-1.8 parts of thickening agent, 0.5-2.5 parts of suspending agent, 0.5-1.5 parts of emulsifying agent, 0.01-0.1 part of surfactant and 0.01-1.5 parts of 2, 4-dichlorophenoxy butyl acetate.
Preferably, the slow-release water-soluble fertilizer also comprises 0.01-1.5 parts of fenoxaprop-p-ethyl.
Preferably, the slow-release water-soluble fertilizer also comprises 0.01-20 parts of phosphate fertilizer; the phosphate fertilizer comprises one or more of ammonium dihydrogen phosphate, diammonium hydrogen phosphate, ammonium polyphosphate, potassium metaphosphate and potassium tripolyphosphate.
Preferably, the nitrogen fertilizer comprises one or more of urea, ammonium nitrate, ammonium sulfate, ammonium chloride and liquid ammonia; the potassium fertilizer comprises one or more of potassium chloride, potassium nitrate, potassium sulfate, potassium dihydrogen phosphate and dipotassium hydrogen phosphate.
Preferably, the emulsifier comprises one or more of calcium dodecylbenzene sulfonate, sodium alkylaryl sulfonate, sodium dialkyl benzene sulfonate, light alkyl sodium sulfonate, styryl phenyl polyoxyethylene ether, octyl phenol polyoxyethylene ether, sec-octyl phenol polyoxyethylene ether, alkylphenol polyoxyethylene polyoxypropylene ether, lauryl dimethyl phenol polyoxyethylene ether, lauryl alcohol polyoxyethylene ether and stearyl alcohol polyoxyethylene ether.
Preferably, the suspending agent comprises one or more of polyvinyl alcohol, polyacrylamide, sodium carboxymethyl cellulose, sodium lignosulfonate, magnesium lignosulfonate, calcium lignosulfonate and sodium dodecyl benzene sulfonate; the thickening agent comprises one or more of methyl cellulose, hydroxyethyl cellulose, organic bentonite, diatomite, attapulgite, sodium alginate, gum arabic, xanthan gum and soybean protein gum; the surfactant comprises a surfactant containing quaternary ammonium salt cations.
The invention also provides a preparation method of the slow-release water-soluble fertilizer, which comprises the following steps:
1) mixing the amino acid fermentation tail liquid, a thickening agent, a nitrogen fertilizer and a potassium fertilizer to obtain fluid slurry;
2) mixing the 2, 4-dichlorophenoxy butyl acetate, an emulsifier, a suspending agent and a surfactant to obtain a suspension;
3) mixing the fluid slurry obtained in the step 1) and the suspension obtained in the step 2), and shearing and emulsifying until the particle size of the suspension is 0.01-0.04 mm to obtain a slow-release water-soluble fertilizer;
there is no chronological restriction between the step 1) and the step 2).
The invention has the beneficial effects that: the invention provides application of 2, 4-dichlorophenoxy butyl acetate in improving the utilization rate of a nitrogen fertilizer and/or reducing the loss of nitrogen; the 2, 4-dichlorophenoxy butyl acetate can greatly improve the utilization rate of the nitrogen fertilizer by inhibiting the nitrification of the nitrogen fertilizer. The invention also provides a nitrogen-containing fertilizer which comprises 2, 4-dichlorphenoxyacetic acid butyl ester; the mass percentage of the 2, 4-dichlorphenoxyacetic acid butyl ester in the nitrogen-containing fertilizer is 1-5%. The nitrogenous fertilizer disclosed by the invention is high in utilization rate and has a weeding effect. The invention also provides a slow-release water-soluble fertilizer and a preparation method thereof. The invention combines the production process of herbicide 2, 4-dichlorphenoxyacetic acid butyl ester with the production process of water-soluble suspended liquid fertilizer to form a production process of slow-release fertilizer, so that the slow-release suspended liquid fertilizer is more stable, and the utilization rate of nitrogen fertilizer is further improved. In addition, the slow-release water-soluble fertilizer is suitable for irrigation and fertilization facilities, and the effect of simultaneous application of pesticide and fertilizer can be well realized through an irrigation system. In addition, the water-soluble slow-release fertilizer is in a suspension type, the effectiveness of the butyl 2, 4-dichlorophenoxyacetate in the application process can be well ensured by reasonably adding the emulsifying agent, the suspending agent, the thickening agent, the surfactant and other auxiliary agents, and the problems that the effectiveness of the traditional solid pesticide fertilizer is low, the fertilizer needs to be deeply applied and intensively applied, and the pesticide needs to be dissolved, diluted and sprayed are mutually contradictory are solved.
Detailed Description
The invention provides application of 2, 4-dichlorphenoxyacetic acid butyl ester (2,4-D butyl ester) in improving the utilization rate of a nitrogen fertilizer and/or reducing the loss of nitrogen; preferably, the application is realized by inhibiting the nitrification of the nitrogen fertilizer by using 2, 4-dichlorophenoxy butyl acetate; the 2, 4-dichlorphenoxyacetic acid butyl ester can be used as a nitrification inhibitor independently and can also be used together with other nitrification inhibitors.
The invention also provides a nitrogen-containing fertilizer which comprises 2, 4-dichlorphenoxyacetic acid butyl ester; the mass percentage of the 2, 4-dichlorphenoxyacetic acid butyl ester in the nitrogen-containing fertilizer is 1-5%, preferably 2-4%, and more preferably 3%.
The invention also provides a slow-release water-soluble fertilizer which comprises the following raw materials in parts by weight: 30-50 parts of amino acid fermentation tail liquid, 15-30 parts of nitrogenous fertilizer, 5-20 parts of potash fertilizer, 0.5-1.8 parts of thickening agent, 0.5-2.5 parts of suspending agent, 0.5-1.5 parts of emulsifying agent, 0.01-0.1 part of surfactant and 0.01-1.5 parts of 2, 4-dichlorophenoxy butyl acetate; preferably, the slow-release water-soluble fertilizer comprises the following raw materials in parts by weight: 35-45 parts of amino acid fermentation tail liquid, 20-25 parts of nitrogenous fertilizer, 10-15 parts of potash fertilizer, 1-1.5 parts of thickening agent, 1-2 parts of suspending agent, 0.8-1.2 parts of emulsifier, 0.05-0.08 part of surfactant and 0.1-1 part of 2, 4-dichlorophenoxy butyl acetate; more preferably, the slow-release water-soluble fertilizer comprises the following raw materials in parts by weight: 40 parts of amino acid fermentation tail liquid, 22 parts of nitrogenous fertilizer, 12 parts of potash fertilizer, 1.2 parts of thickening agent, 1.5 parts of suspending agent, 1 part of emulsifying agent, 0.06 part of surfactant and 0.5-0.8 part of 2, 4-dichlorophenoxy butyl acetate.
In the invention, the slow-release water-soluble fertilizer preferably further comprises 0.01-1.5 parts of fenoxaprop-p-ethyl, more preferably 0.1-1 part of fenoxaprop-p-ethyl, and most preferably 0.5-0.8 part of fenoxaprop-p-ethyl.
In the invention, the slow-release water-soluble fertilizer preferably further comprises 0.01-20 parts of phosphate fertilizer, more preferably 0.1-10 parts, and most preferably 1-5 parts.
The amino acid fermentation tail liquid is waste liquid from edible amino acid production plant, fermentation plant and food plant, and is obtained through concentration. The invention has no special limitation on the components and the content of the amino acid fermentation tail liquid, and in the specific implementation process of the invention, the amino acid fermentation tail liquid is monosodium glutamate fermentation waste liquid (glutamic acid waste liquid).
In the invention, the nitrogen fertilizer preferably comprises one or more of urea, ammonium nitrate, ammonium sulfate, ammonium chloride and liquid ammonia; the slow-release water-soluble fertilizer also comprises 0.01-20 parts of phosphate fertilizer; the phosphate fertilizer comprises one or more of ammonium dihydrogen phosphate, diammonium hydrogen phosphate, ammonium polyphosphate, potassium metaphosphate and potassium tripolyphosphate; the potassium fertilizer preferably comprises one or more of potassium chloride, potassium nitrate, potassium sulfate, potassium dihydrogen phosphate and dipotassium hydrogen phosphate; the emulsifier preferably comprises one or more of calcium dodecyl benzene sulfonate, sodium alkylaryl sulfonate, sodium dialkyl benzene sulfonate, light alkyl sodium sulfonate, styryl phenyl polyoxyethylene ether, octyl phenol polyoxyethylene ether, sec-octyl phenol polyoxyethylene ether, alkylphenol polyoxyethylene ether polyoxypropylene ether, lauryl dimethyl phenol polyoxyethylene ether, lauryl alcohol polyoxyethylene ether and stearyl alcohol polyoxyethylene ether; the suspending agent preferably comprises one or more of polyvinyl alcohol, polyacrylamide, sodium carboxymethyl cellulose, sodium lignosulfonate, magnesium lignosulfonate, calcium lignosulfonate and sodium dodecyl benzene sulfonate; the thickener preferably comprises one or more of methylcellulose, hydroxyethyl cellulose, organic bentonite, diatomite, attapulgite, sodium alginate, gum arabic, xanthan gum and soybean protein gum; the surfactant preferably comprises a surfactant containing a quaternary ammonium salt cation.
The invention also provides a preparation method of the slow-release water-soluble fertilizer, which comprises the following steps:
1) mixing the amino acid fermentation tail liquid, a thickening agent, a nitrogen fertilizer and a potassium fertilizer to obtain fluid slurry;
2) mixing the 2, 4-dichlorophenoxy butyl acetate, a surfactant, an emulsifier and a suspending agent to obtain a suspension;
3) mixing the fluid slurry obtained in the step 1) and the suspension obtained in the step 2), and shearing and emulsifying until the particle size of the suspension is 0.01-0.04 mm to obtain a slow-release water-soluble fertilizer;
there is no chronological restriction between the step 1) and the step 2).
Mixing amino acid fermentation tail liquid, a thickening agent, a nitrogen fertilizer and a potassium fertilizer to obtain fluid slurry; when the slow-release water-soluble fertilizer comprises a phosphate fertilizer, mixing amino acid fermentation tail liquid, a thickening agent, a nitrogen fertilizer, a potassium fertilizer and the phosphate fertilizer to obtain fluid slurry; the mixing sequence is preferably that amino acid fermentation tail liquid, a thickening agent and a nitrogen fertilizer are firstly mixed, and the obtained mixture is secondly mixed with a potassium fertilizer (a potassium fertilizer and a phosphate fertilizer); the temperature of the first mixing is preferably 60-70 ℃, and more preferably 65 ℃; the first mixing mode is preferably stirring mixing; the time of the first mixing and the rotating speed of stirring and mixing are not specially limited, and the uniform mixing is taken as the standard; the second mixing mode is preferably stirring mixing; the second mixing time is preferably 15-25 min, so as to form a viscous fluid; the temperature of the mixing and the rotating speed of the stirring and mixing are not particularly limited, and the uniform mixing is taken as the standard.
The preparation method comprises the following steps of mixing 2, 4-dichlorophenoxy butyl acetate, a surfactant, an emulsifier and a suspending agent to obtain a suspension; when the slow-release water-soluble fertilizer comprises fenoxaprop-p-ethyl, the invention mixes 2, 4-dichlorphenoxyacetic acid butyl ester, fenoxaprop-p-ethyl, a surfactant, an emulsifier and a suspending agent to obtain a suspension; the mixing temperature is preferably 50-70 ℃, and more preferably 60 ℃; the mixing time is preferably 2-5 min, and more preferably 3-4 min; the mixing mode is preferably stirring mixing; the invention has no special limit on the rotating speed of stirring and mixing; in the invention, after the 2, 4-dichlorophenoxy butyl acetate, the emulsifier, the suspending agent and the surfactant are mixed, the preferable method also comprises the step of shearing and emulsifying the suspension; the rotation speed of the shearing emulsification is preferably 2000-4000 revolutions/min, more preferably 2500-3500 revolutions/min, and most preferably 3000 revolutions/min; the time for shearing and emulsifying is preferably 10-15 min, and more preferably 12 min.
After fluid slurry and suspension are obtained, the fluid slurry and the suspension are mixed, and are sheared and emulsified until the particle size of suspended matters is 0.01-0.04 mm, so that the slow-release water-soluble fertilizer is obtained; the mixing time is preferably 5-10 min, and more preferably 8 min; the mixing mode is preferably stirring mixing; the invention has no special limit on the mixing temperature and the stirring and mixing speed, and the aim is to uniformly mix and form thick slurry; the rotation speed of the shearing emulsification is preferably 4000-6000 revolutions/min, and more preferably 5000 revolutions/min.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 12 Nitrification-inhibiting Effect of butyl 4-Dichlorophenoxyacetate
The initial nitrate nitrogen concentration of the soil (before addition of nitrogen fertilizer) was 26 mg/kg-1) Adding 200 mg/kg-1And (2) simultaneously adding 2, 4-dichlorophenoxy butyl acetate and dicyandiamide (DCD) (2, 4-dichlorophenoxy butyl acetate, Shanghai Aladdin Biotechnology Co., Ltd.) with different concentrations (respectively accounting for 1%, 5% and 10% of the mass of the nitrogen fertilizer), wherein the specifications of the standard product, 99% and the package, 250mg, the dicyandiamide (DCD), the Shanghai Aladdin Biotechnology Co., Ltd., the specification of the pure product, 99% and the package, 250g) into the ammonium nitrogen of the soil, and calculating the nitrification rate of the nitrogen fertilizer by measuring the concentration of the nitrate nitrogen in the soil by taking the treatment that the ammonium nitrogen is applied singly without adding a nitrification inhibitor as a contrast to reflect the nitrification inhibition effect.
The nitration rate of the nitrogen fertilizer is (nitrate nitrogen concentration in soil-initial nitrate nitrogen concentration in soil)/200 mg/kg-1*100
See tables 1 and 2 for results.
TABLE 1 nitrate nitrogen content of different treated soils
TABLE 2 Nitrogen nitrification rate corresponding to different dosages of butyl 2, 4-dichlorophenoxyacetate and dicyandiamide
As shown in tables 1 and 2, the inhibition effect of DCD and butyl 2, 4-dichlorophenoxyacetate (2,4-D butyl ester) on soil nitrification was comparatively studied by using DCD (dicyandiamide), which is a commonly used nitrification inhibitor, as a control. The results show that the 2, 4-dichlorophenoxy butyl acetate and DCD both show obvious inhibition effect on soil nitrification, and the inhibition effect is continuously enhanced along with the increase of the dosage. The inhibiting effect of 2, 4-dichlorphenoxyacetic acid butyl ester (2,4-D butyl ester) and DCD is similar, the inhibiting effect is about 30 days when the dosage is 1 percent of the dosage of the nitrogen fertilizer, the inhibiting effect exceeds 40 days when the dosage is 5 percent, and the inhibiting effect on nitrification can reach 60 days when the dosage is 10 percent.
Example 22 comparison of Nitrification inhibition Effect of butyl 4-Dichlorophenoxyacetate with commercially available Nitrification inhibitors
The initial nitrate nitrogen concentration of the soil (before addition of nitrogen fertilizer) to be tested was 33.21 mg/kg-1) Adding 200 mg/kg-1And (2) adding 2, 4-dichlorophenoxy butyl acetate, DCD, chloropyridine, DMPP, substituted pyrimidine and thiourea which account for 5 percent of the mass percent of the nitrogen fertilizer into the ammonium nitrogen of the soil, taking the treatment of singly applying the ammonium nitrogen fertilizer without adding a nitrification inhibitor as a reference, and calculating the nitrification rate of the nitrogen fertilizer by measuring the concentration of the nitrate nitrogen in the soil so as to reflect the nitrification inhibition effect. See tables 3 and 4 for results. From Table 3 andtable 4 shows that when the amount of the 2, 4-dichlorophenoxy butyl acetate is 5% of the amount of the nitrogen fertilizer, compared with DCD, chloropyridine, DMPP, substituted pyrimidine and thiourea, the 6 additives have the effect of inhibiting the soil nitrification, but the difference is large. Wherein, the 2, 4-dichlorphenoxyacetic acid butyl ester and DCD have the best effect, the nitrification inhibiting effect can exceed 40 days, the cloxidine and DMPP have the second inhibiting effect on the soil nitrification, and the effect of substituting pyrimidine and thiourea is the worst.
TABLE 3 nitrate nitrogen content of different treated soils
TABLE 42 comparison of nitrification inhibition of butyl 4-dichlorophenoxyacetate with commercially available nitrification inhibitors
Example 3 field application Effect of Slow-Release Water-soluble Fertilizer
1. The slow release water soluble fertilizer formulation is shown in table 5.
TABLE 5 Slow Release Water soluble Fertilizer formulations
2. Preparation method
1) Adding a thickening agent and a nitrogen fertilizer into the amino acid fermentation tail liquid in sequence, heating while stirring, controlling the reaction temperature at 60 ℃, adding a phosphate fertilizer and a potash fertilizer into the mixed liquid after the nitrogen fertilizer in the mixed liquid is completely dissolved, and continuously stirring for 25min to form viscous fluid.
2) Mixing 2, 4-dichlorophenoxyacetic acid butyl ester, fenoxaprop-p-ethyl, emulsifier, suspending agent and surfactant, heating while stirring, controlling the temperature at 50 ℃, stirring for 5min, and shearing for 15min by using a high-speed shearing emulsifier (the rotating speed is controlled at 4000 revolutions per minute) to obtain a suspension;
3) uniformly mixing the suspension obtained in the step 2) and the fluid slurry obtained in the step 1) together to form thick slurry, stirring for 10min, shearing for 25min by using a high-speed shearing emulsifier, grinding, homogenizing and grinding the materials, and controlling the rotating speed of the high-speed shearing emulsifier to be 6000 rpm so as to control the particle size of suspended matters in a suspended fertilizer gel system to be 0.01-0.04 mm.
3. Administration of
The water spinach is used as a test crop, the imported compound fertilizer 15-15-15 (water soluble) is used as a comparison product, and the slow-release water-soluble fertilizer prepared according to the formula 1-4 is used for fertilizer efficiency comparison. Designing a test according to an equal dosage principle, and mixing 15-15-15 (water-soluble) of the imported compound fertilizer (water-soluble) according to a fertilizer-water ratio of 1: 150 is added with water to be dissolved and then applied, wherein the water application is carried out once in 7 days on average, and the fertilizer is applied for 6 times in the whole growth period of the water spinach. And an experimental group is prepared by mixing the water-soluble slow-release fertilizer prepared by the formula 1-4 according to the equal amount principle according to the fertilizer-water ratio of 1: 150 is added with water to be dissolved and then applied, wherein the water application is carried out once in 14 days on average, and the fertilizer is applied for 3 times in the whole growth period of the water spinach. The management conditions of other fields are completely the same, and the average acre yield is obtained according to the experimental result.
The results, see table 6, show that: 1) compared with a control group, the water-soluble slow-release fertilizer is applied, and the harvesting period of the water spinach is 1-3 days earlier than that of the imported 15-15-15 compound fertilizer on average; 2) the yield per mu is averagely improved by 5%, 7%, 10% and 15% by the formulas 1 to 4, the utilization rate of the fertilizer is respectively improved by 15%, 13%, 8% and 12% by the average compared with the common fertilizer treatment, 3 times of topdressing cost is saved, the total cost is 50 yuan/mu (the cost is saved according to the principle that each person can topdress 6 mu per day, the wage of workers per day is 100 yuan, the labor cost can be saved by 16.67 yuan/mu each time, the labor cost can be saved by 50 yuan in 3 times, and the labor and yield increasing effect is very obvious.
TABLE 6 mu yield and utilization of nitrogenous, phosphatic and potash fertilizers for different treatments
| Treatment of | Time of harvest | Yield per mu Kg/mu | Utilization ratio of nitrogen fertilizer% | Utilization ratio of phosphate fertilizer% | Utilization rate of potassium fertilizer% |
| 15-15-15 control | 2018.8.5 | 1197 | 25.1％ | 11.3％ | 33.2％ |
| Formulation 1 | 2018.8.2 | 1257 | 29.2％ | 13.8％ | 36.0％ |
| Formulation 2 | 2018.8.4 | 1281 | 27.7％ | 13.4％ | 37.0％ |
| Formulation 3 | 2018.8.2 | 1317 | 27.2％ | 12.1％ | 36.6％ |
| Formulation 4 | 2018.8.4 | 1377 | 28.9％ | 13.4％ | 34.3％ |
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
- The application of 1.2, 4-dichlorphenoxyacetic acid butyl ester in improving the utilization rate of nitrogen fertilizer and/or reducing the loss of nitrogen element;the application is realized by inhibiting the nitrification of the nitrogen fertilizer by using the 2, 4-dichlorophenoxy butyl acetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638627.2A CN110317118B (en) | 2019-07-16 | 2019-07-16 | Application of 2, 4-dichlorphenoxyacetic acid butyl ester in improving utilization rate of nitrogen fertilizer and/or reducing loss of nitrogen element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638627.2A CN110317118B (en) | 2019-07-16 | 2019-07-16 | Application of 2, 4-dichlorphenoxyacetic acid butyl ester in improving utilization rate of nitrogen fertilizer and/or reducing loss of nitrogen element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110317118A CN110317118A (en) | 2019-10-11 |
| CN110317118B true CN110317118B (en) | 2021-09-14 |
Family
ID=68123630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910638627.2A Active CN110317118B (en) | 2019-07-16 | 2019-07-16 | Application of 2, 4-dichlorphenoxyacetic acid butyl ester in improving utilization rate of nitrogen fertilizer and/or reducing loss of nitrogen element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110317118B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117247303A (en) * | 2023-09-25 | 2023-12-19 | 四川眉山凯尔化工有限公司 | Pesticide fertilizer composition with weeding effect and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168762A (en) * | 1997-05-13 | 1997-12-31 | 山东农业大学 | Agricultural herbicide composition |
| CN107814615A (en) * | 2017-10-20 | 2018-03-20 | 刘青亚 | A kind of production method of the biogas slurry base foliar fertilizer of efficiently preventing and treating gray mold |
| CN109776216A (en) * | 2019-03-20 | 2019-05-21 | 成都云图控股股份有限公司 | A kind of dedicated humic acid Water soluble fertilizer of citrus and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10980228B2 (en) * | 2015-11-09 | 2021-04-20 | Oro Agri Inc. | Adjuvant |
-
2019
- 2019-07-16 CN CN201910638627.2A patent/CN110317118B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168762A (en) * | 1997-05-13 | 1997-12-31 | 山东农业大学 | Agricultural herbicide composition |
| CN107814615A (en) * | 2017-10-20 | 2018-03-20 | 刘青亚 | A kind of production method of the biogas slurry base foliar fertilizer of efficiently preventing and treating gray mold |
| CN109776216A (en) * | 2019-03-20 | 2019-05-21 | 成都云图控股股份有限公司 | A kind of dedicated humic acid Water soluble fertilizer of citrus and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 丁洪.除草剂对土壤氮素循环的影响.《生态环境学报》.2011,第20卷(第4期),第767-772页. * |
| 除草剂2,4-D对土壤微生物类群的影响;韩丽珍等;《贵州农业科学》;20140131;第42卷(第2期);第85-88页 * |
| 除草剂对土壤氮素循环的影响;丁洪;《生态环境学报》;20110430;第20卷(第4期);第767-772页 * |
| 除草剂对氮转化影响的微生物学机理研究进展;张晶等;《江西农业学报》;20171130;第49-54页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110317118A (en) | 2019-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104591930B (en) | A kind of slow-release suspension liquid composite fertilizer and preparation method thereof and application method | |
| CN100586903C (en) | Slow release long-acting organic inorganic complex blending fertilizer | |
| CN109704876B (en) | Water-soluble fertilizer synergistic composition and preparation method and application thereof | |
| CN103804097B (en) | A kind of fertilizer containing Antiphytoviral fertilizer additive | |
| CN107892634B (en) | Liquid package fertilizer special for cotton for improving soil, preparation method and application method | |
| CN102249817B (en) | Preparation for inhibiting soil nitrogen loss as well as preparation method and application thereof | |
| CN103896673A (en) | Growth-promoting stable and synergistic water soluble fertilizer | |
| CN104496706B (en) | A kind of ammonium aldehyde dual control composite fertilizer and preparation method thereof | |
| CN101273718A (en) | Pesticides gel preparations for delaying release of pesticides and method for preparing the same | |
| CN106892785B (en) | Nitrification inhibitor suspending agent and application thereof | |
| CN1212249A (en) | Long-lasting special-purpose compound mixed fertilizer for corn and rice | |
| CN105585371A (en) | Fertilizer synergistic additive and preparation thereof | |
| JP2016528147A (en) | Ammonia nitriding fertilizers and methods and liquid formulations to improve the effectiveness of ammonium present in soil | |
| CN110317118B (en) | Application of 2, 4-dichlorphenoxyacetic acid butyl ester in improving utilization rate of nitrogen fertilizer and/or reducing loss of nitrogen element | |
| CN107129383A (en) | A kind of composite safe synergist for improving utilization rate of nitrogen fertilizer | |
| CN105001024A (en) | Preparation with nitration inhibition and urease inhibition functions and preparing method thereof | |
| CN110317099B (en) | Application of fenoxaprop-p-ethyl in improving utilization rate of nitrogen fertilizer and/or reducing loss of nitrogen | |
| CN113105286A (en) | Preparation method of coated fertilizer with longer nutrition effect and coated fertilizer | |
| CN100424051C (en) | Slow control releasing fertilizer of containing nitrogen, and preparartion method | |
| CN103708978B (en) | A kind of organic-inorganic pestsides synthesis sustained-controll-release fertiliser | |
| CN105110993A (en) | Controlled-release high-nitrogen liquid fertilizer with effect of improving nitrogen use efficiency and preparation method of controlled-release high-nitrogen liquid fertilizer | |
| CN109180370A (en) | A kind of instant water-soluble fertilizer and preparation method thereof | |
| CN104987222A (en) | Sustained-release synergist for multifunctional synergistic nitrogen fertilizer | |
| CN111153734A (en) | Alkaline fertilizer with chelating slow-release synergism and soil improvement effects and preparation method thereof | |
| Zhou et al. | Inhibition effect of inhibitors on nitrogen transformation affected by interaction of soil temperature and water content |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |