CN108675897B - Nano carbon sol, preparation method thereof and organic-inorganic mixed fertilizer - Google Patents
Nano carbon sol, preparation method thereof and organic-inorganic mixed fertilizer Download PDFInfo
- Publication number
- CN108675897B CN108675897B CN201810730648.2A CN201810730648A CN108675897B CN 108675897 B CN108675897 B CN 108675897B CN 201810730648 A CN201810730648 A CN 201810730648A CN 108675897 B CN108675897 B CN 108675897B
- Authority
- CN
- China
- Prior art keywords
- organic
- nano
- inorganic mixed
- mixed fertilizer
- fertilizer
- 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
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0004—Preparation of sols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a nano carbon sol, which has negative charges, can change the electrophoresis phenomenon of soil, activate soil hardening, slowly release and improve soil nutrition, preserve and activate the activity of microorganisms, and improve the utilization rate of fertilizers. The invention also provides an organic-inorganic mixed fertilizer, which is prepared by directly carrying out biochemical chelation of organic and microbial reactions on organic substances such as excrement, grass carbon and the like by adopting the nano carbon sol, and then physically mixing the nano carbon sol with a chemical fertilizer to obtain the organic-inorganic mixed fertilizer.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to a nano carbon sol, a preparation method thereof and an organic-inorganic mixed fertilizer.
Background
The organic-inorganic mixed fertilizer is a compound fertilizer containing both organic matter and a proper amount of chemical fertilizer. The organic materials such as excrement, peat and the like are subjected to harmless and effective treatment through microbial fermentation, and finally, chemical fertilizers, humic acid, amino acid or beneficial microbial bacteria meeting the national organic-inorganic fertilizer standard are added, and the organic materials and the peat are granulated or directly mixed to prepare the commercial fertilizer.
However, the existing organic-inorganic mixed fertilizer has the following disadvantages: 1) the biological bacteria have a process of revival and reproduction, and then the organic matters are decomposed, so that the fertilizer efficiency is slowly exerted, and the requirement on nutrition in the plant growth process cannot be fully met in time; 2) the utilization rate of the biological bacterial manure is low: the bacteria are living bodies and have requirements on the environment, if the bacteria cannot be well protected, the death rate of the flora is high, and the function of the flora cannot be well played; 3) simple fertilizer: the plant absorbs nutrition deficiency, and the product quality is poor.
In order to improve the efficacy of the existing fertilizer, technicians apply the nano carbon powder to the inorganic fertilizer to obtain a better effect, but in the scheme, the nano carbon powder is physically mixed in a solid form, so that the phenomenon of uneven mixing exists, and the nano carbon powder cannot be effectively chelated with the fertilizer through simple physical mixing, so that the effect of the fertilizer is influenced. In addition, the method is only suitable for inorganic fertilizers, and the utilization rate of the inorganic fertilizers is lower compared with organic-inorganic mixed fertilizers. Therefore, a new organic-inorganic mixed fertilizer is urgently required to further enhance the effect of the fertilizer.
Disclosure of Invention
The invention aims to provide a nano carbon sol and a composite organic-inorganic mixed fertilizer, and improve the utilization rate of the fertilizer.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a preparation method of nano carbon sol, which comprises the following steps:
mixing NaCl, Ca (OH)2、Ca(NO3)2Mixing with water to obtain an electrolyte solution; the mass concentration of NaCl in the electrolyte solution is 0.2-0.4%, and Ca (OH)20.12-0.15% of Ca (NO)3)2The mass concentration of the active carbon is 0.12-0.15%;
and putting the graphite electrode into the electrolyte solution, and carrying out electrolysis, evaporation and concentration under the action of direct current pulse current to obtain the nanocarbon sol.
Preferably, the voltage applied during the electrolysis process is 36V.
Preferably, the maximum output current of the direct current pulse current is 33-37A.
Preferably, the electrolysis time is 6-7 d.
The invention provides the nano-carbon sol prepared by the preparation method in the technical scheme, wherein the particle size of nano-carbon particles in the nano-carbon sol is 10-100nm, and the nano-carbon particles have negative charges; the weight concentration of the carbon nano-particles in the nano-carbon sol is 3-5%.
The invention provides an organic-inorganic mixed fertilizer which is prepared from the following components in parts by mass:
4-6% of nano carbon sol, 55-65% of organic matter, 13-16% of urea, 5-7% of diammonium phosphate, 6-8% of potassium chloride, 4-6% of humic acid, 1-3% of metal elements and 2-5% of nano silicon dioxide; the nano carbon sol is the nano carbon sol in the technical scheme.
Preferably, the organic-inorganic mixed fertilizer is prepared from the following components in percentage by mass:
5% of nano carbon sol, 55% of organic matter, 15% of urea, 6% of diammonium phosphate, 7% of potassium chloride, 5% of humic acid, 2% of metal elements and 5% of nano silicon dioxide.
Preferably, the organic matters are excrement and grass peat, and the mass ratio of the excrement to the grass peat is 1; 2.
preferably, the metal elements are zinc, copper and manganese, and the molar ratio of the zinc, the copper and the manganese is 0.5:1: 0.3.
The invention provides a method for preparing nano carbon sol, which adopts an electrolytic method to prepare the nano carbon sol, controls the composition of an electrolyte solution to ensure that carbon nano particles in the prepared nano carbon sol have the particle size of 10-100nm, are in a spherical dispersion and have extremely large specific surface area (the surface area expanded by one carbon particle is about 0.3 m)2) (ii) a The surface layer of the nano carbon sol has a large number of unstable active electrons to form a great substance reaction site, so that the enclosed active easy-transition electrons can adsorb cations, and the outer layer of the cations can adsorb anions, thereby carrying a large number of anions and cations. Therefore, the nanocarbon sol of the present invention has an extremely high specific surface energy, surface selective adsorption, and excellent conductivity.
In addition, the nano carbon sol also has a quantum size effect and a macroscopic quantum tunneling effect; the material has excellent environmental stability, and still has the characteristics of high strength, high toughness and the like under the high-temperature condition; the hydrophilic property is strong, the dispersibility in water is excellent, and agglomeration does not occur when the product is stored for three years at normal temperature and normal pressure.
The nano carbon sol of the invention has negative charge and cation (K) in fertilizer nutrients+Etc.), other anions (HPO) by electrostatic adsorption around the nanocarbon sol4 2-Etc.) is adsorbed on the outer layer of the cation through an ionic bond, and the special structure of the nano carbon sol can change the electrophoresis phenomenon of soil, activate soil hardening, slowly release and improve soil nutrition, preserve and activate the activity of microorganism bacteria, and improve the utilization rate of fertilizer.
The invention provides an organic-inorganic mixed fertilizer, which adopts nano carbon sol to directly carry out biochemical chelation of organic and microbial reactions with organic substances such as excrement, grass peat and the like, and then physically mixes the nano carbon sol with a chemical fertilizer to obtain the organic-inorganic mixed fertilizer. In addition, the organic-inorganic mixed fertilizer can also improve the slow release capacity of the fertilizer, reduce the nutrient loss and improve the utilization rate of the fertilizer; the fertilizer consumption is reduced; promoting the activity of the microorganism.
Drawings
FIG. 1 is a schematic diagram illustrating the principle of formation of a nanocarbon sol according to the present invention;
FIG. 2 is a graph showing the morphological changes of the tobacco roots after treatment with nanocarbon sols of different concentrations in example 7;
FIG. 3 is a graph showing the change in mitochondria of plant cells after the treatment with nanocarbon sol in example 7;
FIG. 4 is a graph showing the change of plant cell chloroplasts after the treatment with nanocarbon sols in example 7.
Detailed Description
The invention provides a preparation method of nano carbon sol, which comprises the following steps:
mixing NaCl, Ca (OH)2、Ca(NO3)2Mixing with water to obtain an electrolyte solution; the mass concentration of NaCl in the electrolyte solution is 0.2-0.4%, and Ca (OH)20.12-0.15% of Ca (NO)3)2The mass concentration of the active carbon is 0.12-0.15%;
and putting the graphite electrode into the electrolyte solution, and carrying out electrolysis, evaporation and concentration under the action of direct current pulse current to obtain the nanocarbon sol.
The invention mixes NaCl, Ca (OH)2、Ca(NO3)2Mixing with water to obtain an electrolyte solution; the mass concentration of NaCl in the electrolyte solution is 0.2-0.4%, and Ca (OH)20.12-0.15% of Ca (NO)3)2The mass concentration of (A) is 0.12-0.15%. In the present invention, the concentration by mass of NaCl in the electrolyte solution is preferably 0.3%, and the Ca (OH)2Is preferably 0.14%, the Ca (NO) content3)2The mass concentration of (b) is preferably 0.14%. The mixing method is not particularly limited, and the mixing method can be selected from methods well known to those skilled in the art. The present invention utilizes Ca (OH)2And Ca (NO)3)2As an electrolyte, the carbon nano-particles with charges can be prevented from agglomerating, and the negative charge effect of the nano-carbon sol is ensured.
After the electrolyte solution is obtained, the graphite electrode is put into the electrolyte solution, and is electrolyzed, evaporated and concentrated under the action of direct current pulse current to obtain the nano carbon sol. In the present invention, the evaporation concentration is preferably to concentrate the reaction product after electrolysis to 10 to 15% of the original volume. In the present invention, the graphite electrode is preferably prepared using a high-purity graphite sheet. In the embodiment of the invention, 16 graphite electrodes are put into an electrolyte solution to perform an electrolytic reaction, wherein the 16 graphite electrodes comprise 8 positive electrodes and 8 negative electrodes, 4 graphite electrodes are used as a group of reaction units and are divided into 4 groups of reaction units, and the power of a power supply is 200W. In the present invention, the electrolysis is preferably carried out in a glass fiber reinforced plastic reaction tank, the size of which is preferably 800cm × 1400cm × 600 cm. In the present invention, the voltage applied in the electrolysis process is preferably 36V; the maximum output current of the direct pulse current is preferably 33-37A, and more preferably 35A; the electrolysis time is preferably 6-7 d.
In the invention, in the electrolytic process, under the action of pulse current, carbon atoms obtain energy on an electrode, when the energy obtained by the carbon atoms exceeds chemical bond force and simultaneously obtains surface energy required for forming carbon particles in a nano-carbon scale range, the carbon atoms can fall off from a graphite electrode main body into an electrolyte solution, so that the weight content of the nano-carbon particles in the electrolyte solution reaches 3-5 per thousand, the formed nano-carbon particles are dissociated in the electrolyte solution, and the carbon nano-particles in the nano-carbon scale range have strong selective adsorption property, can selectively adsorb negative ions in the electrolyte solution to carry negative charges, and further repel each other to form an electric double layer, so that nano-carbon sol is stably generated, and the preparation of the nano-carbon sol is completed.
The invention provides the nano carbon sol prepared by the preparation method in the technical scheme. In the present invention, the nano carbon sol preferably has a nano carbon particle size of 10 to 100nm, and the nano carbon particle has a negative charge; the weight concentration of the carbon nano-particles in the nano-carbon sol is 3-5%.
The invention provides an organic-inorganic mixed fertilizer which is prepared from the following components in parts by mass:
4-6% of nanocarbon sol, 55-65% of organic matters, 13-16% of urea, 5-7% of diammonium phosphate, 6-8% of potassium chloride, 4-6% of humic acid, 1-3% of metal elements and 2-6% of nano silicon dioxide; the nano carbon sol is the nano carbon sol in the technical scheme.
The organic-inorganic mixed fertilizer provided by the invention comprises 4-6% of nano carbon sol by mass fraction, and preferably 5%. The nano carbon sol is the nano carbon sol in the technical scheme.
The organic-inorganic mixed fertilizer provided by the invention comprises 55-65% of organic matters by mass, preferably 58-62% of organic matters by mass, and more preferably 60% of organic matters by mass. In the invention, the organic matter is preferably excrement and turf, and the mass ratio of the excrement to the turf is preferably 1: 2. In the invention, the grain size of the excrement is preferably 1-2mm, and the grain size of the grass carbon is preferably 2-3 mm. The sources of the excrement and the peat are not particularly limited in the invention, and the excrement and the peat with the sources well known to those skilled in the art can be selected.
The organic-inorganic mixed fertilizer provided by the invention comprises 13-16% of urea by mass, and preferably 14-15%. The source of the urea is not particularly limited in the present invention, and urea from sources known to those skilled in the art may be selected.
The organic-inorganic mixed fertilizer provided by the invention comprises 5-7% of diammonium phosphate by mass fraction, and preferably 6% of diammonium phosphate by mass fraction. The source of the diammonium phosphate is not particularly limited in the invention, and the diammonium phosphate from which the skilled person is familiar can be selected.
The organic-inorganic mixed fertilizer provided by the invention comprises 6-8% of potassium chloride by mass, and is preferably 7%. The source of the potassium chloride is not particularly limited in the present invention, and the potassium chloride from a source known to those skilled in the art may be selected.
The organic-inorganic mixed fertilizer provided by the invention comprises 4-6% of humic acid by mass, and preferably 5%. In the present invention, the particle size of the humic acid is preferably 0.3 to 0.6 mm. The source of the humic acid is not particularly limited in the present invention, and the humic acid whose source is known to those skilled in the art may be selected.
The organic-inorganic mixed fertilizer provided by the invention comprises 1-3% of metal elements by mass, and preferably 2%. In the present invention, the metal elements are preferably zinc, copper and manganese, and the molar ratio of zinc, copper and manganese is 0.5:1: 0.3. In the present invention, the source of the metal element is not particularly limited, and a metal element whose source is known to those skilled in the art may be selected.
The organic-inorganic mixed fertilizer provided by the invention comprises 2-6% of nano silicon dioxide by mass fraction, preferably 3-5%, and more preferably 4%. In the present invention, the particle size of the nano silica is preferably 200 nm. The source of the nano-silica is not particularly limited in the present invention, and the nano-silica having a source known to those skilled in the art may be selected.
The preparation method of the organic-inorganic mixed fertilizer is not particularly limited, and the preparation method of the mixed fertilizer known by the technical personnel in the field can be adopted. In the present invention, the preparation method of the organic-inorganic mixed fertilizer preferably comprises the following steps:
mixing the nano carbon sol, organic matters, nano silicon dioxide and metal elements, and then chelating to obtain a chelated product;
and mixing the chelated product with urea, diammonium phosphate, potassium chloride and humic acid, and then granulating and drying to obtain the organic-inorganic mixed fertilizer.
According to the invention, the nano carbon sol, the organic matter, the nano silicon dioxide and the metal element are mixed and then chelated to obtain a chelated product. In the present invention, the weight concentration of the carbon nanoparticles in the nanocarbon sol is preferably 3%. The mixing is not particularly limited, and the components can be uniformly mixed. In the present invention, the mixing is preferably carried out in a mixer. In the present invention, the temperature of the chelation is preferably 25 to 30 ℃ and the time is preferably 10 to 12 hours.
After a chelated product is obtained, the chelated product is mixed with urea, diammonium phosphate, potassium chloride and humic acid, and then granulation and drying are carried out to obtain the organic-inorganic mixed fertilizer. The mixing is not particularly limited, and the components can be fully and uniformly mixed. The present invention preferably employs an automated blending apparatus to perform the mixing. The granulation and drying methods of the present invention are not particularly limited, and those skilled in the art can use granulation and drying techniques well known to those skilled in the art.
After the drying is finished, the obtained organic-inorganic mixed fertilizer is preferably packaged to obtain an organic-inorganic mixed fertilizer product. The package of the present invention is not particularly limited, and the technical scheme of the package known to those skilled in the art can be adopted according to actual needs.
The nanocarbon sol and the organic-inorganic hybrid fertilizer provided by the present invention will be described in detail with reference to the following examples, but they should not be construed as limiting the scope of the present invention.
Example 1
Preparing high-purity graphite plate into electrode, placing 16 graphite electrodes (each 4 graphite electrodes comprises 4 reaction units, 8 positive electrodes and 8 negative electrodes, and power supply 200W) into electrolyte solution (NaCl mass concentration of 0.3%, Ca (OH))20.14% by mass of (1), Ca (NO)3)20.14%) in a glass fiber reinforced plastic reaction box (800cm × 1400cm × 600cm), and electrolyzing for 7d under the action of direct current pulse current (the maximum output current is 35A) to obtain the nano carbon sol.
The formation principle of the nanocarbon sol is shown in fig. 1. As can be seen from fig. 1, in the electrolytic process, under the action of the pulse current, the carbon atoms obtain energy on the electrode, when the energy obtained by the carbon atoms exceeds the chemical bond force and simultaneously obtains the surface energy required for forming the carbon particles in the nano-carbon scale range, the carbon atoms will fall off from the graphite electrode body into the electrolytic solution, so that the solid content in the solution reaches 3-5%, the formed nano-carbon particles are dissociated in the electrolyte, and because the carbon nanoparticles in the nano-scale range have strong selective adsorption, they will selectively adsorb negative ions in the electrolyte to make them negatively charged and repel each other, that is, the following steps are formed: and an electric double layer, so that the nano carbon sol is stably generated, and the preparation of the nano carbon sol is completed.
Example 2
Mixing 5% of the nanocarbon sol prepared in example 1, 60% of organic matters (the proportion of excrement to turf is 1:2), 5% of nano silicon dioxide and 2% of metal elements (the proportion of zinc, copper and manganese is 0.5:1:0.3) in a mixer according to mass percentage, and chelating at 30 ℃ for 12 hours to obtain a chelated product;
and (3) mixing the chelated product with 15% of urea, 6% of diammonium phosphate, 7% of potassium chloride and 5% of humic acid by using an automatic mixing device, and granulating, drying and packaging to obtain the organic-inorganic mixed fertilizer.
Example 3
The organic-inorganic mixed fertilizer prepared in example 2 is applied to rice for application verification, and the specific results are as follows:
(1) the organic-inorganic mixed fertilizer prepared in example 2 and a common fertilizer (common compound fertilizer (N-P-K: 24:10:11)) were used to measure outflow NH of the hybrid rice root system by a conventional method4+The number of ions.
The results show that the organic-inorganic mixed fertilizer prepared in example 2 can make the root system of hybrid rice outflow NH4+The number of ions decreases. The reason is that the organic-inorganic mixed fertilizer provided by the invention enters the plant body, and the negative charge of carbon particles in the nano carbon sol can improve the electrokinetic potential in the plant body, so that the synthesis and operation of nutrient components are accelerated, and NH in the plant body is enabled4+Does not accumulate, thereby reducing NH in the plant body4+The ion concentration.
(2) The organic-inorganic mixed fertilizer prepared in example 2 and a common mixed fertilizer (common compound fertilizer (N-P-K: 24:10:11)) were used to measure the absorption of NO in the root system of hybrid rice by a conventional method3 -The number of anions.
The results show that the organic-inorganic mixed fertilizer prepared in example 2 is paired with the anion NO in the solution3 -Has stronger systemic effect, which indicates that the hybrid rice has NO anion3 -The adsorption of (2) was run fast without accumulation. The organic-inorganic mixed fertilizer provided by the invention has the effect of promoting soil anion NO3 -、PO4 3-、SO4 2-The special adsorption function of the isoroots can prevent rice from lodging, reduce rice rust and promote the mature of the late tillering spikelets of the rice.
(3) The organic-inorganic mixed fertilizer prepared in example 2 and a common mixed fertilizer (a common compound fertilizer (nitrogen-phosphorus-potassium: 24:10:11)) were used respectively for grain yield increase tests by a conventional method.
Results show that compared with 100% common mixed fertilizer, the grain increase of 100% organic-inorganic mixed fertilizer is 73.7-108.5 kg/667m2(ii) a 70% organic-Compared with 100% common mixed fertilizer, the inorganic mixed fertilizer has grain increment of 81.4-122.6 kg/667m2(ii) a Compared with 100% common mixed fertilizer, the grain increase of 60% organic-inorganic mixed fertilizer is 42.1-63.3 kg/667m2. Compared with the common mixed fertilizer, the organic-inorganic mixed fertilizer increases the average grain size of 81.93kg/667m2. The grain yield increasing amplitude of the 70 percent organic-inorganic mixed fertilizer is higher, namely the yield increasing effect of saving 30 percent of fertilizer is the best.
Example 4
The organic-inorganic mixed fertilizer is applied to wheat for application verification, and the specific results are as follows:
(1) experimental measurements were carried out experimentally at 3 places of the test using the organic-inorganic mixed fertilizer prepared in example 2 and ordinary fertilizers (urea, phosphate fertilizer, ammonium bicarbonate), respectively, by a conventional method.
The result shows that the organic-inorganic mixed fertilizer prepared in the example 2 has the yield increase of 14.80-34.24% compared with the reference urea, and the average yield increase is 24.91%; the yield is increased by 23.6-33.7 percent compared with the reference phosphate fertilizer, and the average yield is increased by 27.3 percent; the yield of the fertilizer is increased by 6.13-33.26% compared with ammonium bicarbonate, and the average yield is increased by 19.76%. In general, the yield of the organic-inorganic mixed fertilizer is increased by 12.34-19.76%.
(2) Experimental measurements were carried out in a conventional manner using the organic-inorganic mixed fertilizer prepared in example 2 and a common fertilizer (urea) at experimental 3 points of the test.
The result shows that the organic-inorganic mixed fertilizer prepared in the example 2 can save 10 kg/mu of fertilizer compared with the common fertilizer, reduce 30% of fertilizer and has obvious fertilizer saving effect. Moreover, the organic-inorganic mixed fertilizer is used as a base fertilizer for one-time fertilization, so that the additional fertilization process is saved by 2-3 times, and the yield is increased by 17.0%.
(3) Experimental measurements were carried out in a conventional manner using the organic-inorganic mixed fertilizer prepared in example 2 and a common fertilizer (urea) at experimental 3 points of the test.
The results show that the determination result of the protein content of the wheat treated by the organic-inorganic mixed fertilizer prepared in the example 2 is 10.51 percent, the protein content of the wheat treated by the common fertilizer is 11.30 percent, and the protein content of the wheat treated by the common fertilizer is reduced by 7.52 percent compared with that of the wheat treated by the common fertilizer; the fat content of wheat treated by the organic-inorganic mixed fertilizer is 0.24 percent, while the fat content of wheat treated by the common fertilizer is 0.18 percent, and the fat content of the wheat treated by the organic-inorganic mixed fertilizer is increased by 33 percent compared with that of the wheat treated by the common fertilizer. The detection result has an important effect on improving the oil quality content of non-transgenic soybeans in China.
Example 5
The organic-inorganic mixed fertilizer prepared in example 2 and a common fertilizer (urea) were used to perform non-invasive ion flux detection on rice in different growth periods by a conventional method, wherein the amount of the organic-inorganic mixed fertilizer is 80% of the amount of the common fertilizer.
The results show that: compared with common fertilizer, the organic-inorganic mixed fertilizer of the invention is beneficial to NH4+Stable supply; NH of front part of rice root system4+Large absorption (large outflow) and reverse in the second half, i.e. NH4+The conversion is faster, which indicates that the nano carbon sol is beneficial to the absorption and conversion of nitrogen; and 100% NH treated with normal fertiliser4+The flow was substantially identical to that of the 70% organic-inorganic mixed fertilizer treatment. Therefore, the organic-inorganic mixed fertilizer plays a role in effectively controlling and releasing nutrients and has obvious functions of saving fertilizer and increasing efficiency.
Example 6
The potassium ion content and the ratio of potassium to chloride of flue-cured tobacco on the upper part after curing were measured by a conventional method using the organic-inorganic mixed fertilizer prepared in example 2 and a common fertilizer (common compound fertilizer (nitrogen-phosphorus-potassium: 24:10:11), respectively.
The results show that the organic-inorganic mixed fertilizer can obviously improve the potassium ion content and the potassium-chlorine ratio of flue-cured tobacco on the upper part after curing (Table 1), and as can be seen from the Table 1, even under the condition of reducing the fertilizer dosage, the organic-inorganic mixed fertilizer can increase the adsorption and transportation effects on the fertilizer due to the extremely small particle structure and the larger specific surface area, and promotes the absorption of tobacco plants on nutrient elements. The research result also shows that under the condition of greatly reducing the fertilizer dosage (30 percent and 50 percent), the indexes of various chemical components of the tobacco leaves are relatively balanced, and no obvious abnormality occurs.
TABLE 1 conventional chemical composition of flue-cured tobacco leaves of different treatments
According to the embodiment 4 and the embodiment 5, the organic-inorganic mixed fertilizer can improve the nutrient absorption capacity of crops.
Example 7
The organic-inorganic mixed fertilizer prepared in example 2 and a common fertilizer (a common compound fertilizer (N-P-K: 24:10:11)) were used to monitor plant development conditions by a conventional method (the amount of the organic-inorganic mixed fertilizer of the present invention was 80% of that of the common fertilizer).
The results show that the organic-inorganic mixed fertilizer of the invention promotes the development of the root system (figure 2) and enhances the capability of the root system for absorbing nutrients and moisture on the basis of saving 20 percent of fertilizer. The nano carbon sol in the organic-inorganic mixed fertilizer can regulate and control the activity level of root systems, promote the absorption of mineral elements, increase the capability of substance metabolism, particularly promote the synthesis of intermediate metabolites, improve the photosynthetic efficiency of plants, promote the improvement of the enzyme quantity of antioxidant enzyme systems including superoxide dismutase (SOD), Peroxidase (POD) and Catalase (CAT) and the total antioxidant capability of plants, and enhance the stress resistance of the plants.
The observation of the cell-level electron microscope ultrastructure shows that: the nanocarbon sol in the organic-inorganic mixed fertilizer can increase the number of mitochondria in cells, improve the synthesis capacity of ATP and intermediate products of plants, and accelerate the circulation and metabolic rate of plants (figure 3).
In addition, synthesis and transport of starch granules in chloroplasts were normal while the number of mitochondria increased, since nanocarbon sols increased ATP and intermediate production, increasing the rate of leaf transfer of carbohydrate synthesis (fig. 4).
The results of example 7 show that the organic-inorganic mixed fertilizer can promote the development of crops and improve the activity of the crops.
From the above embodiments, the organic-inorganic mixed fertilizer provided by the present invention has the functions of complete absorption of nutrients by crops, less residue in soil, crop yield improvement, crop quality improvement, soil environment improvement, root growth promotion of crops, nutrient absorption capacity improvement of crops, crop activity enhancement, soil environment improvement and stabilization, accurate controlled release of nutrients, fertilizer utilization rate improvement, fertilizer consumption reduction, and crop quality optimization.
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 (2)
1. An organic-inorganic mixed fertilizer is prepared from the following components in parts by mass:
4-6% of nano carbon sol, 55-65% of organic matter, 13-16% of urea, 5-7% of diammonium phosphate, 6-8% of potassium chloride, 4-6% of humic acid, 1-3% of metal elements and 2-5% of nano silicon dioxide;
the preparation method of the nano carbon sol comprises the following steps:
mixing NaCl, Ca (OH)2、Ca(NO3)2Mixing with water to obtain an electrolyte solution; the mass concentration of NaCl in the electrolyte solution is 0.2-0.4%, and Ca (OH)20.12-0.15% of Ca (NO)3)2The mass concentration of the active carbon is 0.12-0.15%;
putting a graphite electrode into the electrolyte solution, and carrying out electrolysis, evaporation and concentration under the action of direct current pulse current to obtain nano carbon sol; the voltage of electrolysis is 36V, and the maximum output current is 33-37A; the electrolysis time is 6-7 d;
the particle size of carbon nano-particles in the nano-carbon sol is 10-100nm, and the carbon nano-particles have negative charges; the weight concentration of the carbon nano-particles in the nano-carbon sol is 3-5%;
the preparation method of the organic-inorganic mixed fertilizer comprises the following steps:
mixing the nano carbon sol, organic matters, nano silicon dioxide and metal elements, and then chelating to obtain a chelated product;
mixing the chelated product with urea, diammonium phosphate, potassium chloride and humic acid, granulating, and drying to obtain an organic-inorganic mixed fertilizer;
the organic matter is excrement and turf, and the mass ratio of the excrement to the turf is 1: 2;
the metal elements are zinc, copper and manganese, and the molar ratio of the zinc to the copper to the manganese is 0.5:1: 0.3.
2. The organic-inorganic mixed fertilizer as claimed in claim 1, wherein the organic-inorganic mixed fertilizer is prepared from the following components in percentage by mass:
5% of nano carbon sol, 55% of organic matter, 15% of urea, 6% of diammonium phosphate, 7% of potassium chloride, 5% of humic acid, 2% of metal elements and 5% of nano silicon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810730648.2A CN108675897B (en) | 2018-07-05 | 2018-07-05 | Nano carbon sol, preparation method thereof and organic-inorganic mixed fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810730648.2A CN108675897B (en) | 2018-07-05 | 2018-07-05 | Nano carbon sol, preparation method thereof and organic-inorganic mixed fertilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108675897A CN108675897A (en) | 2018-10-19 |
| CN108675897B true CN108675897B (en) | 2021-09-17 |
Family
ID=63813378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810730648.2A Active CN108675897B (en) | 2018-07-05 | 2018-07-05 | Nano carbon sol, preparation method thereof and organic-inorganic mixed fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108675897B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218117A (en) * | 2019-06-21 | 2019-09-10 | 沈阳美华农业有限公司 | A kind of micro-nano carbon long-acting environment friendly compound magnetic fertilizer and its preparation method and application |
| CN112409062A (en) * | 2020-11-03 | 2021-02-26 | 康权 | Fertilizer additive, application thereof and chemical fertilizer |
| CN114940633A (en) * | 2022-05-17 | 2022-08-26 | 沈阳美华农业科技有限公司 | Micro-nano double-carbon sol environment-friendly fertilizer and preparation method thereof |
| CN115466147A (en) * | 2022-09-05 | 2022-12-13 | 沈阳美华农业科技有限公司 | Efficient fertilizer produced by micro-nano attapulgite and micro-nano carbon sol |
| CN115530179B (en) * | 2022-09-28 | 2023-08-01 | 福建农林大学 | Carbon nano preparation capable of inhibiting rice pathogenic bacteria in broad spectrum, and preparation method and application thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557798A (en) * | 2011-12-31 | 2012-07-11 | 山东宝源生物有限公司 | Organic-inorganic compound fertilizer added with SOD (Super Oxygen Dehydrogenise) analogue and production method thereof |
| CN103772044A (en) * | 2014-01-23 | 2014-05-07 | 贵州特力达纳米碳素科技有限公司 | Nano carbon organic compound fertilizer |
| CN104591855A (en) * | 2013-10-31 | 2015-05-06 | 刘广安 | Method for preparing nanometer powdered carbon for fertilizer |
| CN105777343A (en) * | 2016-03-07 | 2016-07-20 | 赣州市绿之园生物科技有限公司 | Nanocarbon organic selenium-enriched and strontium-enriched health-care fertilizer and preparation method thereof |
| CN107721597A (en) * | 2017-11-06 | 2018-02-23 | 刘广安 | Fertilizer synergistic agent and preparation method thereof and fertilizer composition |
| CN107793264A (en) * | 2017-10-25 | 2018-03-13 | 中国矿业大学(北京) | A kind of Nano Carbon water-retention fertilizer and its preparation method and application |
| CN107904612A (en) * | 2017-11-17 | 2018-04-13 | 刘广安 | A kind of method that nano carbon sol is prepared with native graphite |
| CN108129196A (en) * | 2017-12-29 | 2018-06-08 | 郴州市通源生物科技有限公司 | A kind of Nano carbon organic fertilizer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816002B (en) * | 2012-07-19 | 2014-07-30 | 甘朝生 | Application of nanocarbon biological bacterial fertilizer in cultivation of Tangxin apples and preparation method thereof |
| CN102992889B (en) * | 2012-11-13 | 2014-02-12 | 肥西县金牛蚕桑农民专业合作社 | Modified water-soluble nanoscale silica sol-containing mulberry fertilizer and preparation method thereof |
| CN106699319A (en) * | 2015-07-29 | 2017-05-24 | 宋佰会 | Nanocarbon plant nutrient solution and preparation method thereof |
| CN106518573A (en) * | 2016-10-03 | 2017-03-22 | 北京奈艾斯新材料科技有限公司 | Method of using nano carbon sol to manufacture stable fertilizer |
| CN106517142A (en) * | 2016-10-03 | 2017-03-22 | 北京奈艾斯新材料科技有限公司 | Method utilizing biochar for preparing nanocarbon sol |
| CN108147919A (en) * | 2017-12-11 | 2018-06-12 | 新科环农（北京）生物科技有限公司 | Microorganism seaweed composite fertilizer and preparation method thereof |
-
2018
- 2018-07-05 CN CN201810730648.2A patent/CN108675897B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557798A (en) * | 2011-12-31 | 2012-07-11 | 山东宝源生物有限公司 | Organic-inorganic compound fertilizer added with SOD (Super Oxygen Dehydrogenise) analogue and production method thereof |
| CN104591855A (en) * | 2013-10-31 | 2015-05-06 | 刘广安 | Method for preparing nanometer powdered carbon for fertilizer |
| CN103772044A (en) * | 2014-01-23 | 2014-05-07 | 贵州特力达纳米碳素科技有限公司 | Nano carbon organic compound fertilizer |
| CN105777343A (en) * | 2016-03-07 | 2016-07-20 | 赣州市绿之园生物科技有限公司 | Nanocarbon organic selenium-enriched and strontium-enriched health-care fertilizer and preparation method thereof |
| CN107793264A (en) * | 2017-10-25 | 2018-03-13 | 中国矿业大学(北京) | A kind of Nano Carbon water-retention fertilizer and its preparation method and application |
| CN107721597A (en) * | 2017-11-06 | 2018-02-23 | 刘广安 | Fertilizer synergistic agent and preparation method thereof and fertilizer composition |
| CN107904612A (en) * | 2017-11-17 | 2018-04-13 | 刘广安 | A kind of method that nano carbon sol is prepared with native graphite |
| CN108129196A (en) * | 2017-12-29 | 2018-06-08 | 郴州市通源生物科技有限公司 | A kind of Nano carbon organic fertilizer |
Non-Patent Citations (2)
| Title |
|---|
| 纳米碳增效肥料对烟草农艺性状和经济指标的影响;李小龙等;《土壤》;20160815(第04期);第831-834页 * |
| 纳米碳肥料增效剂对水稻产量及土壤肥力的影响;钱银飞等;《江西农业学报》;20110215(第02期);第125-127页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108675897A (en) | 2018-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108675897B (en) | Nano carbon sol, preparation method thereof and organic-inorganic mixed fertilizer | |
| CN105713619B (en) | Method for preparing iron silicon sulfur multi-element composite biochar soil heavy metal conditioner | |
| Al-Juthery et al. | Intelligent, nano-fertilizers: A new technology for improvement nutrient use efficiency (article review) | |
| CN102039114B (en) | Preparation method and application of straw charcoal material | |
| CN106748425B (en) | Conditioner for promoting selenium activation in selenium-containing paddy soil | |
| CN102531745B (en) | Special rice fertilizer for producing organic selenium-enriched rice and preparation method thereof | |
| CN102515959A (en) | Water-soluble polymer synergist used for fertilizers, its preparation method and application | |
| CN101781141A (en) | Composite fertilizer slow control release additive | |
| CN104789228B (en) | A kind of combination soil additive, preparation method and match applying method | |
| CN102153396B (en) | Process for manufacturing algae medium trace element compound granular fertilizer | |
| CN102754540A (en) | Sandy soil improving method | |
| Adhikari et al. | Nano fertilizer: its impact on crop growth and soil health. | |
| CN103193541A (en) | High-nitrogen-concentration composite microbial fertilizer and preparation method thereof | |
| CN105016917A (en) | Magnetized sustained-release fertilizer used for improving acidic soil, and preparation method thereof | |
| CN109438123B (en) | Cadmium-reducing compound fertilizer and application method thereof | |
| CN101935248A (en) | Bentonite coated complex microbial inoculant as well as preparation method and application thereof | |
| CN105481524A (en) | Slow-release fertilizer and preparation method thereof | |
| CN113233941A (en) | Biological organic liquid fertilizer and preparation method thereof | |
| CN112552113A (en) | Foliar fertilizer for controlling rice heavy metal cadmium accumulation and application method thereof | |
| TWI787397B (en) | Npk-si fertilizer, method for production and use thereof | |
| US20070119096A1 (en) | Method of agricultural operations management producing an odor control mixture and an active soil amendment | |
| CN110218117A (en) | A kind of micro-nano carbon long-acting environment friendly compound magnetic fertilizer and its preparation method and application | |
| Glotra et al. | Nanofertilizers: A review on the futuristic technology of nutrient management in agriculture | |
| CN105461444A (en) | Dampproof easily-absorbed magnetized slow-release fertilizer and preparation method thereof | |
| CN101935242B (en) | Bio boron compound foliar fertilizer and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |