CN108707024A - A kind of slow-release compound fertilizer and preparation method thereof with drought-resistant water-preserving improvement soil function - Google Patents
A kind of slow-release compound fertilizer and preparation method thereof with drought-resistant water-preserving improvement soil function Download PDFInfo
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- CN108707024A CN108707024A CN201810774315.XA CN201810774315A CN108707024A CN 108707024 A CN108707024 A CN 108707024A CN 201810774315 A CN201810774315 A CN 201810774315A CN 108707024 A CN108707024 A CN 108707024A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- 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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- Organic Chemistry (AREA)
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Abstract
The present invention relates to a kind of slow-release compound fertilizers and preparation method thereof for improveing soil function with drought-resistant water-preserving, belong to release and release control fertilizer technical field.It is raw material that slow-release compound fertilizer of the present invention, which is by urea, monoammonium phosphate, potash fertilizer, middle trace element mixture, filler material, urease inhibitor, celestite powder, weathered coal, epoxy resin, corn flour, water-retaining agent and complex micro organism fungicide, is prepared by rotary drum steam prilling.The carrier for making fertilizer nutrient using water-retaining agent effectively inhibits moisture evaporation without any remaining organic and inorganic harmful substance, it prevents erosion, fertilizer nutrient can be adsorbed and be combined simultaneously, delay the release of fertilizer nutrient, to reduce the loss of soil and fertilizer nutrient.It is rich in strontium element in the bluestone powder of addition, not only has facilitation to plant growth, and effect is killed to the harmful bacteria in soil, cooperates with complex micro organism fungicide, effectively promotes the disease resistance ability of soil, adjusts soil texture.
Description
Technical field
The present invention relates to a kind of slow-release compound fertilizers and preparation method thereof for improveing soil function with drought-resistant water-preserving, belong to control
Release fertilizer technical field.
Background technology
With global warming, arid aggravation, agriculture area suffered from drought is constantly expanding.Therefore, increase the water in soil
Divide content, improve the physicochemical property of soil, reinforces its water conservation, fertilizer-preserving ability, it has also become resisting drought saving water and sustainable agriculture development
In an important link.Dry farming is mainly manifested in natural precipitation by drought impact and is not assisted mutually with plant growth water demand
It adjusts, thus, the main problem for how promoting soil to retain more rainwater, be nonirrigated farmland water conservation for plant " take i.e. with ".
In recent years, the research and development application with people to water-retaining agent, gradually form and it is perfect one it is brand-new
Chemical water-saving soil moisture conservation technology.Chemical water-saving soil moisture conservation technology is subjected to composite integrated research with chemical fertilizer and development and production have
The fertilizer of water-holding slow-release function, and be the cutting edge technology of a completely new rich water allotment.
Currently, the preparation of the fertilizer of retaining water and releasing nutrients slowly mostly uses greatly and slow-release fertilizer is placed in reactor, make polymerized monomer stoste in fertilizer
Polymerization coating is directly caused on material surface, but improper using coating liquid progress coating, easily at easily sticking together between fertiliser granulates.
And it is difficult to large-scale industrial production, technological process is long, low output, of high cost.
Invention content
Purpose of the present invention is to be the provision of a kind of slow-release compound fertilizer and its system for improveing soil function with drought-resistant water-preserving
Preparation Method is granulated using water-retaining agent carrier adsorption fertilizer slow release by rotary drum steam, and adds the microorganism of improvement soil
Microbial inoculum, method equipment is simple, and water-holding slow-release significant effect plays improvement soil, promotes the effect of soil fertility.The present invention is used
Technical solution be：
A kind of slow-release compound fertilizer with drought-resistant water-preserving improvement soil function, is made from the raw material by following parts by weight：Urea
400-500 parts, 200-300 parts of monoammonium phosphate, 260-300 parts of potash fertilizer, trace element mixture 10-20 parts middle, filler material 40-60
Part, 10-20 parts of urease inhibitor, 20-40 parts of celestite powder, 20-40 parts of weathered coal, 20-40 parts of water-retaining agent, epoxy resin 3-5
5-10 parts of part, 5-10 parts of corn flour and complex micro organism fungicide.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, the filler material is dolomite dust.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, the urease inhibitor is N- butyl thiophosphoryl three
The one of amine, D2EHDTPA triamide, diphenylphosphoryl diamines, thiophosphoryl triamide, hydroquinone, phosphoric triamide or ATS (Ammonium thiosulphate)
Kind is several.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, wherein water-retaining agent is copolymerized for starch grafted acrylate
Cross-linking agent, it is commercially available.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, wherein complex micro organism fungicide is by bacillus subtilis
Bacterium, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are according to 1:1:1:1:
3.5-4.5:1.5-2.5 weight ratio made from.
Complex micro organism fungicide is made by following steps：It will be by bacillus subtilis, bacillus megaterium, gel-shaped gemma
Bacillus, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are cultivated in liquid seed culture medium at 25-27 DEG C respectively
Then 20-24h is transferred to according to 2% inoculum concentration in sterilized big tank culture medium, after cultivating 20h at 30 DEG C, by withered grass gemma
Bacillus, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are by weight 1:
1:1:1:3.5-4.5:1.5-2.5 is uniformly mixed, and freeze-dried powder is made in freeze-drying, obtains complex micro organism fungicide.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, the middle trace element mixture are
Selected from calcium compound, magnesium compound, sulphur compound, boron compound, copper compound, iron compound, manganese compound, molybdenum compound and
One or more kinds of mixtures of zinc compound.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, wherein potash fertilizer is potassium sulfate or chlorination
Any one of potassium.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, is prepared by following steps：
（1）Water-retaining agent and monoammonium phosphate are weighed according to the ratio, water-retaining agent and monoammonium phosphate are pre-mixed, and obtain premix；
（2）By step（1）It is gained premix, urea, potash fertilizer, middle trace element mixture, filler material, urease inhibitor, reddish black
The raw materials for production such as mountain flour, weathered coal, are entered in mixing machine by formula metering and are mixed, and mixed material crushes laggard through chain grinding machine
Enter rotary drum granulator and be passed through steam and roll humidification to be granulated that obtain fertile core spare；
（3）It will be by bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, natural pond
Damp red pseudomonas cultivates 20-24h in liquid seed culture medium respectively at 25-27 DEG C, be then transferred to according to 2% inoculum concentration
In sterilized big tank culture medium, after cultivating 20h at 30 DEG C, by bacillus subtilis, bacillus megaterium, gel-shaped gemma bar
Bacterium, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are by weight 1:1:1:1:3.5-4.5:1.5-2.5 mixing is equal
Even, freeze-dried powder is made in freeze-drying, obtains complex micro organism fungicide;
（4）By epoxy resin, heating stirring 2 hours forms coating liquid in a kettle, then by coating liquid temperature be down to 30 DEG C with
Under, corn flour and complex micro organism fungicide are added and are stirred evenly, coating liquid is obtained, coating liquid is atomized simultaneously in atomising device
It is sprayed at step（2）Gained fertilizer wicking surface, after dry, metering packing storage.
Advantageous effect
The present invention makees the carrier of fertilizer nutrient using water-retaining agent, and absorption and combination to fertilizer nutrient delay fertilizer nutrient
Release, to reduce the loss of fertilizer nutrient.Water-retaining agent also has the function of water suction simultaneously, it can be when soil moisture be more
（Such as rainfall or irrigation）, absorb water and preserve moisture, its moisture received is released when soil moisture being made to reduce, supply plant utilizes.
Importantly, after water-retaining fertilizer absorbs moisture, " miniature reservoir " and " nutrient pool ", can improve granular fertilizer quite one by one
Moisture around expecting and nutrient situation, are conducive to plant root growth and the water absorbing capacity to liquid manure, finally promote plant yield-increasing.
In addition, water-retaining agent is used cooperatively urease inhibitor, slow releasing function can be played to fertilizer nutrient, increase suction of the soil to some nutrients
It is attached, leaching loss is reduced, the absorption of plant nutrient loaded to water-retaining agent is improved, to improve chemical fertilizer utilization rate, is mitigated
Chemical fertilizer is to the water-based pollution of soil, while it will not poison geobiont in the residual of soil, and can pass through the degradation pair of 3-5
Soil noresidue, nonhazardous.
Weathered coal is added simultaneously, a large amount of high-activity humic acid is contained in weathered coal, and humic acid has improvement soil, improves
Crops to the utilization rate of N, P, K, the advantages that enhancing the drought resisting cold tolerance of crop and increasing the yield and quality of crop.
With the use of microbial bacterial agent is met, such as bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering and colloid gemma
Bacillus, the effect of playing fixed nitrogen, phosphorus decomposing and potassium decomposing, promote absorption of the crops for N P and K.Bacillus can generate withered
The various actives substances such as careless element, polymyxins, nystatin, gramicidins, these active materials are to pathogenic bacteria or endogenous sexuality
The conditioned pathogen of dye has apparent inhibiting effect, can promote disease resistance of the crop to pest and disease damage.The bluestone powder of addition simultaneously
In be rich in strontium element, not only have facilitation to plant growth, and effect is killed to the harmful bacteria in soil, with gemma bar
The bacteriostasis of bacterium cooperates, and effectively promotes the disease resistance ability of soil.
The present invention does fertilizer nutrient carrier using water-retaining agent, using rotary drum steam prilling prepare, first by water-retaining agent with
Urea, potash fertilizer, the auxiliary materials such as microbial bacterial agent are added after monoammonium phosphate premix, has been effectively ensured and has been granulated the uniform of quality and water-retaining agent
Property.Simple production process of the present invention, it is at low cost, it can be effectively improved soil texture, promote soil disease resistance ability, be suitble to extensive
It promotes.
Specific implementation mode
Technical scheme of the present invention is described further with reference to specific embodiment, but not limited to this.
Embodiment 1
A kind of slow-release compound fertilizer with drought-resistant water-preserving improvement soil function, is made from the raw material by following parts by weight：Urea
400 parts, 200 parts of monoammonium phosphate, 260 parts of potash fertilizer, 10 parts of middle trace element mixture, 40 parts of filler material, 10 parts of urease inhibitor,
20 parts of celestite powder, 20 parts of weathered coal, 20 parts of water-retaining agent, 3 parts of epoxy resin, 5 parts of corn flour, 5 parts of complex micro organism fungicide.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, the filler material is dolomite dust.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, the urease inhibitor is N- butyl thiophosphoryl three
Amine.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, wherein water-retaining agent is copolymerized for starch grafted acrylate
Cross-linking agent, it is commercially available.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, wherein complex micro organism fungicide is by bacillus subtilis
Bacterium, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are according to 1:1:1:1:
3.5:Made from 1.5 weight ratio.
Complex micro organism fungicide is made by following steps：It will be by bacillus subtilis, bacillus megaterium, gel-shaped gemma
Bacillus, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris cultivate 20h in liquid seed culture medium at 25 DEG C respectively, so
It is transferred in sterilized big tank culture medium according to 2% inoculum concentration afterwards, after cultivating 20h at 30 DEG C, by bacillus subtilis, huge
Bacillus, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are by weight 1:1:1:1:
3.5:1.5 are uniformly mixed, and freeze-dried powder is made in freeze-drying, obtains complex micro organism fungicide.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, the middle trace element mixture are
Selected from calcium compound, magnesium compound, sulphur compound, boron compound, copper compound, iron compound, manganese compound, molybdenum compound and
One or more kinds of mixtures of zinc compound.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, wherein potash fertilizer is potassium sulfate or chlorination
Any one of potassium.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, is prepared by following steps：
（1）Water-retaining agent and monoammonium phosphate are weighed according to the ratio, water-retaining agent and monoammonium phosphate are pre-mixed, and obtain premix；
（2）By step（1）It is gained premix, urea, potash fertilizer, middle trace element mixture, filler material, urease inhibitor, reddish black
Mountain flour, weathered coal raw materials for production, are entered in mixing machine by formula metering and are mixed, and mixed material enters after the crushing of chain grinding machine
Rotary drum granulator, which is passed through steam, roll humidification and is granulated that obtain fertile core spare；
（3）It will be by bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, natural pond
Damp red pseudomonas cultivates 20h in liquid seed culture medium respectively at 25 DEG C, be then transferred to and sterilized according to 2% inoculum concentration
Big tank culture medium in, at 30 DEG C cultivate 20h after, by bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering, fibre
The plain streptomycete of dimension, aspergillus fumigatus, Rhodopseudomonas palustris are by weight 1:1:1:1:3.5:1.5 are uniformly mixed, and jelly is made in freeze-drying
Dry powder obtains complex micro organism fungicide;
（4）By epoxy resin, heating stirring 2 hours forms coating liquid in a kettle, then by coating liquid temperature be down to 30 DEG C with
Under, corn flour and complex micro organism fungicide are added and are stirred evenly, coating liquid is obtained, coating liquid is atomized simultaneously in atomising device
It is sprayed at step（2）Gained fertilizer wicking surface, after dry, metering packing storage.
Embodiment 2
A kind of slow-release compound fertilizer with drought-resistant water-preserving improvement soil function, is made from the raw material by following parts by weight：Urea
450 parts, 250 parts of monoammonium phosphate, 280 parts of potash fertilizer, 15 parts of middle trace element mixture, 50 parts of filler material, 30 parts of celestite powder, urea
15 parts of enzyme inhibitor, 30 parts of weathered coal, 30 parts of water-retaining agent, 4 parts of epoxy resin, 8 parts of corn flour, 8 parts of complex micro organism fungicide.Tool
It is dolomite dust to have the slow-release compound fertilizer of drought-resistant water-preserving improvement soil function, the filler material.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, the urease inhibitor is D2EHDTPA triamide.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, wherein water-retaining agent is copolymerized for starch grafted acrylate
Cross-linking agent, it is commercially available.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, wherein complex micro organism fungicide is by bacillus subtilis
Bacterium, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are according to 1:1:1:
1:4:Made from 2 weight ratio.
Complex micro organism fungicide is made by following steps：It will be by bacillus subtilis, bacillus megaterium, gel-shaped gemma
Bacillus, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris cultivate 22h in liquid seed culture medium at 26 DEG C respectively,
Then it is transferred in sterilized big tank culture medium according to 2% inoculum concentration, after cultivating 20h at 30 DEG C, by bacillus subtilis, huge
Bacterium anthracoides, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are by weight 1:1:1:
1:4:2 are uniformly mixed, and freeze-dried powder is made in freeze-drying, obtains complex micro organism fungicide.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, the middle trace element mixture are
Selected from calcium compound, magnesium compound, sulphur compound, boron compound, copper compound, iron compound, manganese compound, molybdenum compound and
One or more kinds of mixtures of zinc compound.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, wherein potash fertilizer is potassium sulfate or chlorination
Any one of potassium.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, is prepared by following steps：
（1）Water-retaining agent and monoammonium phosphate are weighed according to the ratio, water-retaining agent and monoammonium phosphate are pre-mixed, and obtain premix；
（2）By step（1）It is gained premix, urea, potash fertilizer, middle trace element mixture, filler material, urease inhibitor, reddish black
Mountain flour, weathered coal raw materials for production, are entered in mixing machine by formula metering and are mixed, and mixed material enters after the crushing of chain grinding machine
Rotary drum granulator, which is passed through steam, roll humidification and is granulated that obtain fertile core spare；
（3）It will be by bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, natural pond
Damp red pseudomonas cultivates 22h in liquid seed culture medium respectively at 26 DEG C, be then transferred to and sterilized according to 2% inoculum concentration
Big tank culture medium in, at 30 DEG C cultivate 20h after, by bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering, fibre
The plain streptomycete of dimension, aspergillus fumigatus, Rhodopseudomonas palustris are by weight 1:1:1:1:4:2 are uniformly mixed, and freeze-dried powder is made in freeze-drying,
Obtain complex micro organism fungicide;
（4）By epoxy resin, heating stirring 2 hours forms coating liquid in a kettle, then by coating liquid temperature be down to 30 DEG C with
Under, corn flour and complex micro organism fungicide are added and are stirred evenly, coating liquid is obtained, coating liquid is atomized simultaneously in atomising device
It is sprayed at step（2）Gained fertilizer wicking surface, after dry, metering packing storage.
Embodiment 3
A kind of slow-release compound fertilizer with drought-resistant water-preserving improvement soil function, is made from the raw material by following parts by weight：Urea
500 parts, 300 parts of monoammonium phosphate, 300 parts of potash fertilizer, 20 parts of middle trace element mixture, 60 parts of filler material, 20 parts of urease inhibitor,
40 parts of celestite powder, 40 parts of weathered coal, 40 parts of water-retaining agent, 5 parts of epoxy resin, 10 parts of corn flour and complex micro organism fungicide 10
Part.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, the filler material is dolomite dust.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, the urease inhibitor is diphenylphosphoryl diamines.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, wherein water-retaining agent is copolymerized for starch grafted acrylate
Cross-linking agent, it is commercially available.
The slow-release compound fertilizer of soil function is improved with drought-resistant water-preserving, wherein complex micro organism fungicide is by bacillus subtilis
Bacterium, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are according to 1:1:1:
1: 4.5:Made from 2.5 weight ratio.
Complex micro organism fungicide is made by following steps：It will be by bacillus subtilis, bacillus megaterium, gel-shaped gemma
Bacillus, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are cultivated for 24 hours in liquid seed culture medium at 27 DEG C respectively,
Then it is transferred in sterilized big tank culture medium according to 2% inoculum concentration, after cultivating 20h at 30 DEG C, by bacillus subtilis, huge
Bacterium anthracoides, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are by weight 1:1:1:
1: 4.5:2.5 are uniformly mixed, and freeze-dried powder is made in freeze-drying, obtains complex micro organism fungicide.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, the middle trace element mixture are
Selected from calcium compound, magnesium compound, sulphur compound, boron compound, copper compound, iron compound, manganese compound, molybdenum compound and
One or more kinds of mixtures of zinc compound.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, wherein potash fertilizer is potassium sulfate or chlorination
Any one of potassium.
Slow-release compound fertilizer of the present invention with drought-resistant water-preserving improvement soil function, is prepared by following steps：
（1）Water-retaining agent and monoammonium phosphate are weighed according to the ratio, water-retaining agent and monoammonium phosphate are pre-mixed, and obtain premix；
（2）By step（1）It is gained premix, urea, potash fertilizer, middle trace element mixture, filler material, urease inhibitor, reddish black
Mountain flour, weathered coal raw materials for production, are entered in mixing machine by formula metering and are mixed, and mixed material enters after the crushing of chain grinding machine
Rotary drum granulator, which is passed through steam, roll humidification and is granulated that obtain fertile core spare；
（3）It will be by bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, natural pond
Damp red pseudomonas is cultivated for 24 hours in liquid seed culture medium at 27 DEG C respectively, is then transferred to and has been sterilized according to 2% inoculum concentration
Big tank culture medium in, at 30 DEG C cultivate 20h after, by bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering, fibre
The plain streptomycete of dimension, aspergillus fumigatus, Rhodopseudomonas palustris are by weight 1:1:1:1: 4.5:2.5 are uniformly mixed, and freeze-drying is made
Freeze-dried powder obtains complex micro organism fungicide;
（4）By epoxy resin, heating stirring 2 hours forms coating liquid in a kettle, then by coating liquid temperature be down to 30 DEG C with
Under, corn flour and complex micro organism fungicide are added and are stirred evenly, coating liquid is obtained, coating liquid is atomized simultaneously in atomising device
It is sprayed at step（2）Gained fertilizer wicking surface, after dry, metering packing storage.
Test case 1
Experimental field it is located at the Jinzhong City, Shanxi Province villages Wang Jiabao, this area belongs to warm temperate continental climate, makes a clear distinction between the four seasons, in winter show
Snow, spring is windy, and summer rainfall is relatively concentrated, and autumn is fine.Year 9.8 DEG C of samming, January -6.2 DEG C of samming, July samming 23.7
DEG C, year -25.3 DEG C of lowest temperature, 38.2 DEG C of the highest temperature.Average annual precipitation 456mm, year evaporation capacity 1700.5mm.Year sunshine
259.2h, annual frost-free period 170d or so.
The trial zone soil is Cinnamon Soils, and the topsoil soils content of organic matter is 16.7g/kg, available nitrogen 64.1mg/
Kg, available potassium 120.6mg/kg, rapid available phosphorus 14.3mg/kg.Experimental field landform is flat.Preceding crop is soybean.It is for studying object
Corn, kind are to step on sea 3, growth period 105-120d.
This experiment uses randomized complete-block design, if 5 processing；That is, CK processing（This season does not apply fertilizer）, for control；NPK
Processing, 666.70 kg/ha of the compound fertilizer of same NPK nutrients；Bs1 processing, common commercially available water-keeping slow release composite fertilizer 666.70
Kg/ha；Bs2 processing, 833.3 kg/ha of 1 drought-resistance water-retention sustained-release composite fertilizer of the embodiment of the present invention；Bs3 processing, this hair
1000 kg/ha of 1 slow-release compound fertilizer of bright embodiment；If 4 repetitions.Plot area is 5m × 65m, spacing in the rows 0.3m, line-spacing
Protection row is set at 0.5m, crop field surrounding 1m.This experiment only carries out 1 fertilising at seeding time, and each growth period only carries out normally
Field management does not impose any fertilizer.
Fringe weight, grain weight, biomass are the constituent elements of corn yield, and the numerical value of these factors is bigger, and the yield of corn is just
It is higher.This experiment is all determined fringe weight, biomass, mass of 1000 kernel and yield in the harvest corn phase, the results are shown in Table 1
Influence of 1 different disposal of table to corn yield
As it can be seen from table 1 the corn yield for applying the processing of 1 water-keeping slow release composite fertilizer of the embodiment of the present invention is significantly higher than its elsewhere
Reason, the compound fertilizer than applying same nutrient handles volume increase and reaches 7.82%-27.27%, the reason is that water-retaining agent has coordinated corn production
The correlation between constituent element is measured, corn nutrient still can not only can be supplied in the later stage of corn growth, improve jade
The trophic level of rice later stage nutrient, to increase the Biomass and yield of corn.
Test case 2
Experimental method：Column simulation method
Test group 1：The fertilizer of retaining water and releasing nutrients slowly prepared by embodiment 2,3g/ basins are converted to 100kg/ mus
Test group 2：The fertilizer of retaining water and releasing nutrients slowly prepared by embodiment 2,4g/ basins are converted to 150kg/ mus
Control group：The mixed fertilizer of the compound fertilizer of same NPK nutrients+water-retaining agent composition, 3g/ basins are converted to 100kg/ mus
Blank group：Any fertilizer is not added
Test procedure：These fertilizer are sufficiently mixed with soil prior to seeding, then soil is fitted into earth pillar.Add water into earth pillar
To saturation field capacity, stand 1 angel's liquid manure fully with and, then add same amount water leaching.Field is down to when soil moisture content to hold
When water 40% or so, then carry out second of watering and leaching processing.The 3rd leaching process is carried out in the same fashion.Measure punching
Before leaching, the soil nitrogen concentrations of first time shower, second of shower, third time shower, measurement result is listed in Table 2 below：
Table 2：Soil nitrogen concentrations measurement result
It can be seen from the result that table 2 is listed after 3 showers, the soil nitrogen concentrations of blank group are reduced to by 0.129%
The soil nitrogen concentrations of 0.058%, i.e. nitrogen nutrients loss 55%, control group are reduced to 0.067% by 0.133%, i.e. nitrogen nutrient subtracts
Few 49.6%, the soil nitrogen concentrations of test group 1 are reduced to 0.092% by 0.132%, i.e. nitrogen nutrient subtracts 30%, test group 2
Soil nitrogen concentrations are reduced to 0.125%, i.e. nitrogen nutrients loss 16.1% by 0.149%.These results illustrate, prepared by the present invention
Water-retaining slow-release fertilizer have extremely significantly in fertilizer slow release aspect of performance than the water keeping fertilizer being mixed to get by water-keeping material and fertilizer
Difference, i.e., the sustained release performance of Water-retaining slow-release fertilizer of the present invention is far superior to other groups of fertilizer slow release performance, slows down soil and supports
Shunt the speed lost.
Test case 3
Test group 1：The fertilizer of retaining water and releasing nutrients slowly prepared by embodiment 3,3g/ basins are converted to 100kg/ mus
Test group 2：The fertilizer of retaining water and releasing nutrients slowly prepared by embodiment 3,4g/ basins are converted to 150kg/ mus
Control group：The mixed fertilizer of the compound fertilizer of same NPK nutrients+water-retaining agent composition, 3g/ basins are converted to 100kg/ mus
Blank group：Any fertilizer is not added
Test procedure：These fertilizer are sufficiently mixed with soil prior to seeding, pour 500ml water/basin, are placed one day.It is sowed per basin
45 rapeseed seeds, earthing.Later stage does not rewater.It determines after planting the 0th day, the 5th day, the 10th day, the 15th day, the 20th day
When soil moisture content, the measurement result of soil moisture content is listed in Table 3 below：
Table 3：The measurement result of soil moisture content
At after planting the 15th day it can be seen from the result that table 3 is listed, the soil moisture content of blank group is 7.1%, and is compareed
The soil moisture content of group is 11.2%, and the water retention property of control group is substantially better than blank group.At after planting the 15th day, test group 1
Soil moisture content be 17.5%, the soil moisture content of test group 2 is 21.0%, their water retention property is substantially better than control
Group.These results absolutely prove that the water-holding slow-release carbamide fertilizer ratio prepared using the present invention is mixed by water-keeping material with fertilizer
To water keeping fertilizer have pole significant difference, i.e., the water retention property of Water-retaining slow-release fertilizer of the present invention much excellent in terms of water retention property
In other groups of water retention property.Since test group 1 and the water retention property of test group 2 are good, soil moisture content is high, and cole crop can
These nutrition and moisture are made full use of, therefore growth is good, yield is higher.
It should be noted that above-described embodiment is only the section Example for realizing the preferred embodiment of the present invention, Er Feiquan
Portion's embodiment.Obviously, it is based on the above embodiment of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of other all embodiments for being obtained, should all belong to the scope of protection of the invention.
Claims (8)
1. a kind of slow-release compound fertilizer with drought-resistant water-preserving improvement soil function, which is characterized in that be by the original of following parts by weight
Made from material：400-500 parts of urea, 200-300 parts of monoammonium phosphate, 260-300 parts of potash fertilizer, middle trace element mixture 10-20
Part, 40-60 parts of filler material, 10-20 parts of urease inhibitor, 20-40 parts of celestite powder, 20-40 parts of weathered coal, water-retaining agent 20-40
Part, 3-5 parts of epoxy resin, 5-10 parts of corn flour and 5-10 parts of complex micro organism fungicide.
2. the slow-release compound fertilizer according to claim 1 with drought-resistant water-preserving improvement soil function, which is characterized in that described to fill out
Charge is dolomite dust.
3. the slow-release compound fertilizer according to claim 1 with drought-resistant water-preserving improvement soil function, which is characterized in that the urea
Enzyme inhibitor be N- butylthiophosphoric triamide, D2EHDTPA triamide, diphenylphosphoryl diamines, thiophosphoryl triamide, to benzene two
The one or more of phenol, phosphoric triamide or ATS (Ammonium thiosulphate).
4. the slow-release compound fertilizer according to claim 1 with drought-resistant water-preserving improvement soil function, which is characterized in that described multiple
It is by bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus to close microbial bacterial agent
Bacterium, Rhodopseudomonas palustris are according to 1:1:1:1:3.5-4. 5:1.5-2.5 weight ratio made from.
5. the slow-release compound fertilizer according to claim 4 with drought-resistant water-preserving improvement soil function, which is characterized in that described multiple
Microbial bacterial agent is closed to be made by following steps：It will be by bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering, fiber
Plain streptomycete, aspergillus fumigatus, Rhodopseudomonas palustris cultivate 20-24h in liquid seed culture medium at 25-27 DEG C respectively, so
It is transferred in sterilized big tank culture medium according to 2% inoculum concentration afterwards, after cultivating 20h at 30 DEG C, by bacillus subtilis, huge
Bacillus, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are by weight 1:1:1:1:
3.5-4.5:1.5-2.5 is uniformly mixed, and freeze-dried powder is made in freeze-drying, obtains complex micro organism fungicide.
6. the slow-release compound fertilizer according to claim 1 with drought-resistant water-preserving improvement soil function, which is characterized in that in described
Trace element mixture is selected from calcium compound, magnesium compound, sulphur compound, boron compound, copper compound, iron compound, manganese
One or more kinds of mixtures of compound, molybdenum compound and zinc compound.
7. the slow-release compound fertilizer according to claim 1 with drought-resistant water-preserving improvement soil function, which is characterized in that the potassium
Fertilizer is any one of potassium sulfate or potassium chloride.
8. described in a kind of claim 1-7 with drought-resistant water-preserving improvement soil function slow-release compound fertilizer, which is characterized in that be by
Following steps are prepared：
（1）Water-retaining agent and monoammonium phosphate are weighed according to the ratio, water-retaining agent and monoammonium phosphate are pre-mixed, and obtain premix；
（2）By step（1）It is gained premix, urea, potash fertilizer, middle trace element mixture, filler material, urease inhibitor, reddish black
Mountain flour, weathered coal raw materials for production, are entered in mixing machine by formula metering and are mixed, and mixed material enters after the crushing of chain grinding machine
Rotary drum granulator, which is passed through steam, roll humidification and is granulated that obtain fertile core spare；
（3）It will be by bacillus subtilis, bacillus megaterium, bacillusmusilaginosiengineering, streptomyces cellulosae, aspergillus fumigatus, natural pond
Damp red pseudomonas cultivates 20-24h in liquid seed culture medium respectively at 25-27 DEG C, be then transferred to according to 2% inoculum concentration
In sterilized big tank culture medium, after cultivating 20h at 30 DEG C, by bacillus subtilis, bacillus megaterium, gel-shaped gemma bar
Bacterium, streptomyces cellulosae, aspergillus fumigatus, Rhodopseudomonas palustris are by weight 1:1:1:1:3.5-4.5:1.5-2.5 mixing is equal
Even, freeze-dried powder is made in freeze-drying, obtains complex micro organism fungicide；
（4）By epoxy resin, heating stirring 2 hours forms coating liquid in a kettle, then by coating liquid temperature be down to 30 DEG C with
Under, corn flour and complex micro organism fungicide are added and are stirred evenly, coating liquid is obtained, coating liquid is atomized simultaneously in atomising device
It is sprayed at step（2）Gained fertilizer wicking surface, after dry, metering packing storage.
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Cited By (6)
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| CN110028351A (en) * | 2019-04-22 | 2019-07-19 | 南京林业大学 | A kind of water-holding slow-release carbamide fertilizer and its production method |
| CN111517896A (en) * | 2019-01-17 | 2020-08-11 | 山东大茂生态肥业有限公司 | Efficient environment-friendly slow-release fertilizer and preparation method and application thereof |
| CN112624881A (en) * | 2020-12-29 | 2021-04-09 | 浙江大学 | Chemical-biological combined control fertilizer for reducing cadmium accumulation of vegetables and improving yield of vegetables as well as preparation and application of chemical-biological combined control fertilizer |
| CN114804975A (en) * | 2022-03-09 | 2022-07-29 | 美丽华夏生态环境科技有限公司 | Microbial soil conditioner for northwest arid region and preparation method thereof |
| CN115152387A (en) * | 2022-07-07 | 2022-10-11 | 山东实力农业股份有限公司 | Fertilizing method for saving fertilizer and increasing yield of fruit and vegetable crops |
| CN117069544A (en) * | 2023-08-21 | 2023-11-17 | 山东省林业科学研究院 | Method for improving water fertilizer utilization and drought resistance of poplar in sandy soil |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517896A (en) * | 2019-01-17 | 2020-08-11 | 山东大茂生态肥业有限公司 | Efficient environment-friendly slow-release fertilizer and preparation method and application thereof |
| CN110028351A (en) * | 2019-04-22 | 2019-07-19 | 南京林业大学 | A kind of water-holding slow-release carbamide fertilizer and its production method |
| CN112624881A (en) * | 2020-12-29 | 2021-04-09 | 浙江大学 | Chemical-biological combined control fertilizer for reducing cadmium accumulation of vegetables and improving yield of vegetables as well as preparation and application of chemical-biological combined control fertilizer |
| CN112624881B (en) * | 2020-12-29 | 2022-04-01 | 浙江大学 | Chemical-biological combined control fertilizer for reducing cadmium accumulation of vegetables and improving yield of vegetables as well as preparation and application of chemical-biological combined control fertilizer |
| CN114804975A (en) * | 2022-03-09 | 2022-07-29 | 美丽华夏生态环境科技有限公司 | Microbial soil conditioner for northwest arid region and preparation method thereof |
| CN115152387A (en) * | 2022-07-07 | 2022-10-11 | 山东实力农业股份有限公司 | Fertilizing method for saving fertilizer and increasing yield of fruit and vegetable crops |
| CN115152387B (en) * | 2022-07-07 | 2023-03-28 | 山东实力农业股份有限公司 | Fertilizing method for saving fertilizer and increasing yield of fruit and vegetable crops |
| CN117069544A (en) * | 2023-08-21 | 2023-11-17 | 山东省林业科学研究院 | Method for improving water fertilizer utilization and drought resistance of poplar in sandy soil |
| CN117069544B (en) * | 2023-08-21 | 2024-05-10 | 山东省林业科学研究院 | Method for improving water fertilizer utilization and drought resistance of poplar in sandy soil |
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