CN107827561A - A kind of slow-release fertilizer of sweet potato and preparation method thereof - Google Patents
A kind of slow-release fertilizer of sweet potato and preparation method thereof Download PDFInfo
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- CN107827561A CN107827561A CN201711150913.1A CN201711150913A CN107827561A CN 107827561 A CN107827561 A CN 107827561A CN 201711150913 A CN201711150913 A CN 201711150913A CN 107827561 A CN107827561 A CN 107827561A
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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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Abstract
The present invention relates to a kind of slow-release fertilizer of sweet potato and preparation method thereof, it is characterised in that the raw material including following parts by weight is made：70~80 parts of the barnyard manure of cattle and sheep circle；50~60 parts of potash fertilizer；30~40 parts of urea；40~50 parts of calcium magnesium phosphate；30~40 parts of mangosteen powder；20~26 parts of maize cob meal；20~26 parts of Roots of Peanut powder；20~26 parts of wheat bran；12~16 parts of peanut press pulp fermentate；8~10 parts of bone meal；6~10 parts of ammonium humate；10~15 parts of Chicken dung；12~18 parts of ferrous sulfate；15~20 parts of sustained release agent；15~20 parts of water-loss reducer；15~20 parts of ammonium polyphosphate；2~4 parts of alcohol effluent；1~3 part of magnesium nitrate；2~4 parts of calcium nitrate；1.8~2.2 parts of trace element.The nutrient uptake feature that the slow-release fertilizer of sweet potato produced by the invention grows according to sweet potato is prepared, and produces the obtained slow-release fertilizer of sweet potato, it is nutritious, balanced the features such as.
Description
Technical field
The present invention relates to a kind of slow-release fertilizer field, and in particular to a kind of slow-release fertilizer of sweet potato and preparation method thereof.
Background technology
Sweet potato（Scientific name：Ipomoea batatas (L.) Lam.）Also known as sweet storage, sweet potato, Zhu's potato, golden potato, kind eat, Red Hill
Medicine, Yuzhen potato, sweet potato, pachyrhizus, Chinese yam, yam, sweet potato, sweet potato, sweet potato, Ah goose, sprout sweet potato.Annual herb plant, underground
Partly has circular, oval or fusiform root tuber, shape, color of the leather and the yellowish pink of root tuber are different because of kind or soil difference.Leaf
Plate shape, color are often different because kind is different, also sometimes leaf with difference on same plant, usually width egg shape, petiole
Different in size, cyme axillary, bract is small, lanceolar, flowering habit difference with kind and growth conditions, capsule it is avette or
Oblateness, seed 1-4 grains are usual 2, hairless.
Sweet potato is a kind of high yield and adaptable cereal crops, in close relations with industrial and agricultural production and people's lives.Block
Elimination is made outside staple food grain, and the important source material of food processing, starch and alcohol process industry, and root, stem, leaf are excellent feeding again
Material.
Slow-release fertilizer, so-called " release " refer to effective form that nutrient can be absorbed directly by chemical mass transfer into plant
Process (such as dissolve, hydrolyze, degraded)；" sustained release " refers to that chemical substance nutrient release rate applies much smaller than Quick-dissolving fertilizer
It is changed into the rate of release of plant effective state nutrient after soil;" controlled release " refers to make nutrients release according to setting with various regulatory mechanisms
The rule that fixed release mode (release rate and release time) absorbs nutrient with crop is consistent.Therefore, biological or chemical acts on
Under decomposable organonitrogen compound (such as ureaformaldehyde UFs) fertilizer be commonly known as slow-release fertilizer (SRFs), and to biological and chemical
The insensitive coated fertilizers of factor such as effect are commonly known as Controlled Release Fertilizer (CRFs).
Because slow-release fertilizer has fertilizer amount reduction, utilization rate improves, using the advantages that convenient, saving of labor is safe, at present, sustained release
Fertilizer has turned into the direction of countries in the world fertilizer industry sustainable development.
We retrieve the fertilizer document on sweet potato as follows：
1st, Chinese patent：The A of application publication number CN 104326812, title：A kind of sweet potato chemical fertilizer and preparation method thereof, summary：This
A kind of sweet potato chemical fertilizer of disclosure of the invention and preparation method thereof, according to mass fraction includes following component：Phosphate fertilizer 14-16 parts, potash fertilizer
15-17 parts, urea 8-10 parts, Diammonium phosphate (DAP) 3-5 parts, 3 parts of Boratex fore-telling, calcium superphosphate 3-5 parts, potassium sulfate 4-6 parts, potassium nitrate
2-4 parts, potassium dihydrogen phosphate 7-9 parts, plant ash 30-40 parts, sweet potato enlarging agent 1-3 parts, phoxim 0.5-0.7 parts, the present invention provide
Sweet potato fertilizer be it is a kind of meet sweet potato growth period required for nutrient fertilizer, and inventive formulation rationally contains organic matter,
Soil hardening can be alleviated.
2nd, Chinese patent：The A of application publication number CN 105272527, title：A kind of sweet potato release and release control fertilizer and its preparation side
Method, summary：The invention discloses a kind of sweet potato release and release control fertilizer and preparation method thereof, belong to fertilizer preparing technical field.Described kind
Potato release and release control fertilizer is in units of parts by weight, including following raw material：Lapping 60-120 parts, fertiliser granulates 200-1200 parts, institute
It is by crushing, extracting, filtering, concentrating, fermenting, be granulated, dry, cool down, wrapping up etc. made of step to state sweet potato release and release control fertilizer.
The sweet potato release and release control fertilizer controlled release rate of the present invention is moderate and stablizes, and nutrition is balanced, can effectively reduce the turnover rate of fertilizer, improves fertilizer
The utilization ratio of material, promote sweet potato quickly to grow up healthy and sound, improve sweet potato yield, at the same also can effectively preventing disease and pest, improve soil
Earth environment.
3rd, Chinese patent：The A of application publication number CN 104876704, title：A kind of organic fertilizer, summary：The present invention provides
A kind of organic fertilizer, is made up of following raw materials in part by weight：Chaff 5-10 parts, night soil 10-20 parts, feces of livestock and poultry 10-20 parts, swelling
Native 40-55 parts, sweet potato stem and leaf 20-30 parts.Present invention production is simple, and cost is low, containing the various nutriments needed for plant growth,
And chemical fertilizer degradation phenomena to caused by soil can be improved, maintain self detergent power of soil.
From disclosed document, it is known that, in the prior art, although being related to the disclosure of the slow-release fertilizer of sweet potato, fertilizer
The defects of performance of material also needs to improve, therefore the present invention is in order to overcome prior art, develops a kind of slow-release fertilizer for being directed to sweet potato.
The content of the invention
It is an object of the invention to provide a kind of slow-release fertilizer of sweet potato and preparation method thereof, the slow-release fertilizer of the sweet potato is basis
What the nutrient uptake feature of sweet potato growth was prepared, it can be grown for sweet potato and required various nutrient elements are provided, and in fertilizer
Nutritional ingredient can slowly discharge, and fertilizer efficiency is permanent, and and can is beneficial to the utilization rate for improving fertilizer, promotes sweet potato fruit development, fruit
Individual big full, content of starch is high；The hardening soil can be prevented, and can promotes the effect that sweet potato grows up healthy and sound.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of slow-release fertilizer of sweet potato, including the raw material of following parts by weight are made：
70~80 parts of the barnyard manure of cattle and sheep circle；50~60 parts of potash fertilizer；30~40 parts of urea；40~50 parts of calcium magnesium phosphate；Mangosteen powder
30~40 parts；20~26 parts of maize cob meal；20~26 parts of Roots of Peanut powder；20~26 parts of wheat bran；12~16 parts of peanut press pulp fermentate；
8~10 parts of bone meal；6~10 parts of ammonium humate；10~15 parts of Chicken dung；12~18 parts of ferrous sulfate；15~20 parts of sustained release agent；
15~20 parts of water-loss reducer；15~20 parts of ammonium polyphosphate；2~4 parts of alcohol effluent；1~3 part of magnesium nitrate；2~4 parts of calcium nitrate；It is micro-
1.8~2.2 parts of secondary element.
Above-described preparation method includes following steps：
（1）Potash fertilizer, urea, magnesium nitrate, calcium nitrate, calcium magnesium phosphate, ferrous sulfate and trace element are mixed in parts by weight
Uniformly, mixture A is produced；
（2）In parts by weight by the barnyard manure of cattle and sheep circle, mangosteen powder, maize cob meal, peanut powder, wheat bran, peanut press pulp fermentate, bone
Powder and Chicken dung are well mixed, and produce mixture B；
（3）By step（1）And step（2）Corresponding obtained mixture A and mixture B is sufficiently mixed, and adds poly
Ammonium phosphate, ammonium humate and water-loss reducer are sufficiently mixed uniformly, produce mixture C；
（4）Mixture C is crushed through gravity system, fully blending is uniform, then adds alcohol effluent in parts by weight, by turning
Drum comminution granulation is granulated, and particle is made, sustained release agent is wrapped in particle outer layer, is dried, is obtained product.
Above-described trace element and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:2:1:2:1:1.
Above-described sustained release agent include 12~15 parts of polyvinyl chloride, 20~30 parts of polyvinyl alcohol, polyacrylic resin 5~
10 parts, 8~10 parts of the chitosan of 20~30 parts of β~cyclodextrine and molecular weight 50000~100000；Its preparation method is will be poly-
Vinyl alcohol is dissolved into 65~75 DEG C of hot water, is stirred 4~5 minutes, is then added vinyl chloride, polyacrylic resin and β~ring
Shape dextrin stirring and dissolving, it is well mixed, adds chitosan, quickly stir, that is, sustained release agent is made.
Water-loss reducer described above includes starch, acrylates, water and crosslinking agent；The starch：Acrylates：Water：Crosslinking
The weight ratio of agent is：8~12:20~26:6~8:0.5~1；The water-loss reducer preparation method is by starch, acrylates, water
Ultrasonic mixing is carried out with crosslinking agent, produces water-loss reducer.
Above-described β~cyclodextrine can form inclusion complex with multiple compounds, stabilize it, be solubilized, being sustained,
Emulsification, anti-oxidant, antidecomposition, insulation, protection against the tide, and be novel molecular lapping with effects such as masking peculiar smell；And can also
Enough retain the resistant starch in starch, non-resistant starch is modified so that hole occurs in modified starch granules, and divides
Cloth is more uniform.
Acrylates described above is by the neutralization reaction of metal hydroxides (or oxide) and acrylic acid (AA), in chlorine
Change polyethylene (CPE) situ acrylic acid synthesizing salt.
Above-described Roots of Peanut powder is to dry Roots of Peanut, then is crushed, and is produced.
Peanut press pulp fermentate described above produces after peanut press pulp macerates heap 3~4 week of fermentation；Its interior content of organic matter
Abundant, the carbon-nitrogen ratio in chemical constitution is small, can be decomposed rapidly after being combined with soil, can supplement organic matter, chesson, improvement
Soil environment.
Mangosteen powder described above is to be dried Momordica grosvenori, then is crushed, and is produced.
Maize cob meal described above is by after corn threshing, and core is put into disintegrating machine and crushed, is produced.
Above-described ammonium humate, ground with the peat containing humic acid more than 30%, lignite, weathered coal and gangue etc.
Into after powder, mixed together with ammoniacal liquor；Or also can be by being commercially available.
The preparation method of the barnyard manure of cattle and sheep circle described above is：Barnyard manure is taken out of into animal house accumulation, is compressed, is spread outside heap
Upper hack covering.Usual heap is wide about 2 meters, and heap is high 1.5~2 meters；Accumulation reaches semi-decomposed state in 2~3 months, reaches within 5~6 months
Decomposed state.The barnyard manure of obtained cattle and sheep circle have the characteristics that organic matter consumption less, obtained humus it is more.
Above-described bone meal is the bone meal of the domestic birds and animals such as pig, ox, sheep, horse, chicken, duck；Bone meal preparation method is：Will
The bone of the domestic birds and animals such as pig, ox, sheep, horse, chicken, duck dried with charcoal fire, to there is bone fragrance, places into pulverizer and carries out
Crush, gained bone meal is subjected to high-temperature sterilization, packs preservation.Bone meal contains abundant nutrient, except calcic 20%~30%,
It is also neat containing the trace elements such as Mg, K, Na, Ba, Co, Cu, Fe, Mo, Ni, Ti, V, Zn, Sr, amino acid classes outside phosphorus 8%~14%
(18 kinds) entirely；Bone meal is a kind of late effect property phosphate fertilizer well, and the P elements needed for growth can be provided for plant, improves fertilizer efficiency, and
And bone meal is added in fertilizer to improvement acid soil and promotes crop growth highly beneficial.
Above-described alcohol effluent is using sugar refinery saccharified residues-molasses as raw material, during fermenting and producing alcohol
Caused high concentrated organic wastewater, the solid content in molasses alcohol waste liquid（Dry after removing water）70% is organic matter, wherein having
Sugar, protein, amino acid, vitamin etc., residue 30% is ash content, contains the inorganic salts such as nitrogen, phosphorus, potassium, calcium, magnesium, potassium content
Height, traces of heavy metals are nontoxic, harmless；These are all animal and plant nutrients, are valuable resources.Molasses alcohol waste liquid nutrient
Constituent content is more, and viscosity is strong.Fertilizer is prepared after alcohol effluent is mixed with other raw materials, fertilizer balling ratio, increase system can be improved
Into fertilizer in organic matter and nutrient element content, make fertilizer efficiency more preferable.
Above-described ferrous sulfate, soil acidity or alkalinity is adjusted, promotes chlorophyll formation（Also known as iron fertilizer）, flowers and trees can be prevented and treated
The yellows because of caused by iron deficiency.It is the acid flowers and trees of the happiness especially indispensable element of sago cycas.Moreover, sweet potato is also to belong to happiness acid
The plant of property.Agricultural chemicals is agriculturally also acted as, scar scall, the rot of fruit tree of wheat smut, apple and pears can be prevented and treated；
It can be used as fertilizer, moss and the lichens of trunk can be removed.
Precious missible oil is killed above-described 23% can effectively kill the pest and disease damages such as dark brown Aspidiotus, red spider, new tree louse more；This
Product are available.
The present invention has the substantive distinguishing features of protrusion and significant progress relative to prior art：
1st, the present invention is that the nutrient uptake feature grown according to sweet potato is prepared, and can be grown for sweet potato and provide required a variety of nutrition
Element, and the nutritional ingredient in fertilizer can slowly discharge, and fertilizer efficiency is permanent, and sweet potato rhizome grows sturdy, sweet potato weight weight, forms sediment
Powder content is high, and and can is beneficial to the utilization rate for improving fertilizer, can prevent the hardening soil, and and can promotes the work that sweet potato grows up healthy and sound
With.
2nd, the trace element that adds of the present invention contains the elements such as Fe, Mn, Zn, B, these micro- proportionings be all according to
What the nutrient uptake feature of sweet potato was prepared, required trace element, and the homemade poly of present invention institute can be provided for sweet potato
Potassium phosphate is a kind of inorganic polymer fertilizer in itself, and the lasting potassium resource of required effect, phosphorus source can not only be provided for sweet potato；And
Magnesium nitrate, calcium nitrate and trace element are added to stirring reaction in potassium polyphosphate, potassium polyphosphate has chelated mineral
The effect of ion, it is possible to increase micro- activity, the trace element of the Chelating state formed after reaction in such as calcium, manganese
It is more easy to be absorbed by plants, substantially increases the absorption efficiency of sweet potato centering trace element.The potassium polyphosphate that the present invention adds is not
Micro- fertilizer efficiency activity micro- in can also improving in will not only reducing, improve fertilizer efficiency.
3rd, the sustained release agent used in the present invention is prepared by polyvinyl alcohol, β~cyclodextrin and water, β~ring used
Dextrin safety and environmental protection, environment will not be polluted.Sustained release agent used in the present invention will not pollute to ecological environment.Pass through
Last layer sustained release agent is wrapped up in manufactured fertiliser granulates outer layer, the slow releasing function of fertilizer can be improved, the nutrient in fertilizer is slowly released
Put, improve the utilization rate of fertilizer.The slow-release fertilizer of sweet potato prepared by the present invention, potassium polyphosphate used, which inherently has, slowly to be released
The function of putting, and by the way that sustained release agent is added in fertilizer, the rate of release of fertilizer can be controlled, substantially increase the profit of fertilizer
With rate.
4th, the nutrient uptake feature that the slow-release fertilizer of sweet potato produced by the invention grows according to sweet potato is prepared, and produces obtained kind
The slow-release fertilizer of potato, it is nutritious, balanced, rich in various nutrients and middle trace element, supported needed for supplement sweet potato that can be fast long-acting
Point, and the nutritional ingredient in fertilizer can slowly discharge, and fertilizer efficiency is permanent, is advantageous to improve the utilization rate of fertilizer, plays volume increase
Increase income, improve the effect of sweet potato quality.
5th, mangosteen powder, maize cob meal, wheat bran, peanut press pulp fermentate and Roots of Peanut powder are added in the present invention, is greatly improved
The content of organic matter of fertilizer of the present invention, sweet potato can be effectively facilitated and grown, the sweet potato picked out is big, and content of starch is high.
6th, water-loss reducer is added in the present invention, moisture can be discharged when weather is more arid, plant absorption is supplied, ensure
The content of fruit water.
Embodiment
Below in conjunction with embodiments of the invention, the present invention is described in more detail.
Embodiment 1：
A kind of slow-release fertilizer of sweet potato, including the raw material of following parts by weight are made：
80 parts of the barnyard manure of cattle and sheep circle；60 parts of potash fertilizer；40 parts of urea；50 parts of calcium magnesium phosphate；40 parts of mangosteen powder；Maize cob meal 26
Part；26 parts of Roots of Peanut powder；26 parts of wheat bran；16 parts of peanut press pulp fermentate；10 parts of bone meal；10 parts of ammonium humate；15 parts of Chicken dung；
18 parts of ferrous sulfate；20 parts of sustained release agent；20 parts of water-loss reducer；20 parts of ammonium polyphosphate；4 parts of alcohol effluent；3 parts of magnesium nitrate；Nitric acid
4 parts of calcium；2.2 parts of trace element.
Above-described preparation method includes following steps：
（1）Potash fertilizer, urea, magnesium nitrate, calcium nitrate, calcium magnesium phosphate, ferrous sulfate and trace element are mixed in parts by weight
Uniformly, mixture A is produced；
（2）In parts by weight by the barnyard manure of cattle and sheep circle, mangosteen powder, maize cob meal, peanut powder, wheat bran, peanut press pulp fermentate, bone
Powder and Chicken dung are well mixed, and produce mixture B；
（3）By step（1）And step（2）Corresponding obtained mixture A and mixture B is sufficiently mixed, and adds poly
Ammonium phosphate, ammonium humate and water-loss reducer are sufficiently mixed uniformly, produce mixture C；
（4）Mixture C is crushed through gravity system, fully blending is uniform, then adds alcohol effluent in parts by weight, by turning
Drum comminution granulation is granulated, and particle is made, sustained release agent is wrapped in particle outer layer, is dried, is obtained product.
Above-described trace element and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:2:1:2:1:1.
Above-described sustained release agent includes 15 parts of polyvinyl chloride, 30 parts of polyvinyl alcohol, 10 parts of polyacrylic resin, β~ring
10 parts of the chitosan of 30 parts of shape dextrin and molecular weight 50000~100000；Its preparation method be polyvinyl alcohol is dissolved into 65~
In 75 DEG C of hot water, stir 4~5 minutes, then add vinyl chloride, polyacrylic resin and β~cyclodextrine stirring and dissolving, mix
Close uniformly, add chitosan, quickly stir, that is, sustained release agent is made.
Water-loss reducer described above includes starch, acrylates, water and crosslinking agent；The starch：Acrylates：Water：Crosslinking
The weight ratio of agent is： 12: 26: 8: 1；The water-loss reducer preparation method is to carry out starch, acrylates, water and crosslinking agent
Ultrasonic mixing, produce water-loss reducer.
Embodiment 2：
A kind of slow-release fertilizer of sweet potato, including the raw material of following parts by weight are made：
70 parts of the barnyard manure of cattle and sheep circle；50 parts of potash fertilizer；30 parts of urea；40 parts of calcium magnesium phosphate；30 parts of mangosteen powder；Maize cob meal 20
Part；20 parts of Roots of Peanut powder；20 parts of wheat bran；12 parts of peanut press pulp fermentate；8 parts of bone meal；6 parts of ammonium humate；10 parts of Chicken dung；Sulphur
It is sour ferrous 12 parts；15 parts of sustained release agent；15 parts of water-loss reducer；15 parts of ammonium polyphosphate；2 parts of alcohol effluent；1 part of magnesium nitrate；Calcium nitrate 2
Part；1.8 parts of trace element.
Above-described preparation method includes following steps：
（1）Potash fertilizer, urea, magnesium nitrate, calcium nitrate, calcium magnesium phosphate, ferrous sulfate and trace element are mixed in parts by weight
Uniformly, mixture A is produced；
（2）In parts by weight by the barnyard manure of cattle and sheep circle, mangosteen powder, maize cob meal, peanut powder, wheat bran, peanut press pulp fermentate, bone
Powder and Chicken dung are well mixed, and produce mixture B；
（3）By step（1）And step（2）Corresponding obtained mixture A and mixture B is sufficiently mixed, and adds poly
Ammonium phosphate, ammonium humate and water-loss reducer are sufficiently mixed uniformly, produce mixture C；
（4）Mixture C is crushed through gravity system, fully blending is uniform, then adds alcohol effluent in parts by weight, by turning
Drum comminution granulation is granulated, and particle is made, sustained release agent is wrapped in particle outer layer, is dried, is obtained product.
Above-described trace element and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:2:1:2:1:1.
Above-described sustained release agent includes 12 parts of polyvinyl chloride, 20 parts of polyvinyl alcohol, 5 parts of polyacrylic resin, β~ring-type
8 parts of the chitosan of 20 parts of dextrin and molecular weight 50000~100000；Its preparation method is that polyvinyl alcohol is dissolved into 65~75 DEG C
Hot water in, stir 4~5 minutes, then add vinyl chloride, polyacrylic resin and β~cyclodextrine stirring and dissolving, mixing is equal
It is even, chitosan is added, is quickly stirred, that is, sustained release agent is made.
Water-loss reducer described above includes starch, acrylates, water and crosslinking agent；The starch：Acrylates：Water：Crosslinking
The weight ratio of agent is：8:20:6:0.5；The water-loss reducer preparation method is to be surpassed starch, acrylates, water and crosslinking agent
Sound mixes, and produces water-loss reducer.
Embodiment 3：
A kind of slow-release fertilizer of sweet potato, including the raw material of following parts by weight are made：
75 parts of the barnyard manure of cattle and sheep circle；55 parts of potash fertilizer；35 parts of urea；45 parts of calcium magnesium phosphate；35 parts of mangosteen powder；Maize cob meal 23
Part；23 parts of Roots of Peanut powder；23 parts of wheat bran；14 parts of peanut press pulp fermentate；9 parts of bone meal；8 parts of ammonium humate；13 parts of Chicken dung；Sulphur
It is sour ferrous 16 parts；18 parts of sustained release agent；17 parts of water-loss reducer；16 parts of ammonium polyphosphate；3 parts of alcohol effluent；2 parts of magnesium nitrate；Calcium nitrate 3
Part；2 parts of trace element.
Above-described preparation method includes following steps：
（1）Potash fertilizer, urea, magnesium nitrate, calcium nitrate, calcium magnesium phosphate, ferrous sulfate and trace element are mixed in parts by weight
Uniformly, mixture A is produced；
（2）In parts by weight by the barnyard manure of cattle and sheep circle, mangosteen powder, maize cob meal, peanut powder, wheat bran, peanut press pulp fermentate, bone
Powder and Chicken dung are well mixed, and produce mixture B；
（3）By step（1）And step（2）Corresponding obtained mixture A and mixture B is sufficiently mixed, and adds poly
Ammonium phosphate, ammonium humate and water-loss reducer are sufficiently mixed uniformly, produce mixture C；
（4）Mixture C is crushed through gravity system, fully blending is uniform, then adds alcohol effluent in parts by weight, by turning
Drum comminution granulation is granulated, and particle is made, sustained release agent is wrapped in particle outer layer, is dried, is obtained product.
Above-described trace element and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:2:1:2:1:1.
Above-described sustained release agent includes 14 parts of polyvinyl chloride, 25 parts of polyvinyl alcohol, 7 parts of polyacrylic resin, β~ring-type
9 parts of the chitosan of 25 parts of dextrin and molecular weight 50000~100000；Its preparation method is that polyvinyl alcohol is dissolved into 65~75 DEG C
Hot water in, stir 4~5 minutes, then add vinyl chloride, polyacrylic resin and β~cyclodextrine stirring and dissolving, mixing is equal
It is even, chitosan is added, is quickly stirred, that is, sustained release agent is made.
Water-loss reducer described above includes starch, acrylates, water and crosslinking agent；The starch：Acrylates：Water：Crosslinking
The weight ratio of agent is：10:23:7:0.8；The water-loss reducer preparation method is to be surpassed starch, acrylates, water and crosslinking agent
Sound mixes, and produces water-loss reducer.
Application Example
The present invention is promoted the use of in Laibin city of Guangxi Wuxuan County, and fertilization area is 50 mu, and fruit harvest result is good, per mu yield
The slow-release fertilizer that amount does not apply the present invention than last year is higher by 1412.4 jin, and to plantation sweet potato, peasant household brings very big economic benefit.
Claims (5)
1. a kind of slow-release fertilizer of sweet potato, it is characterised in that the raw material including following parts by weight is made：
70~80 parts of the barnyard manure of cattle and sheep circle；50~60 parts of potash fertilizer；30~40 parts of urea；40~50 parts of calcium magnesium phosphate；Mangosteen powder
30~40 parts；20~26 parts of maize cob meal；20~26 parts of Roots of Peanut powder；20~26 parts of wheat bran；12~16 parts of peanut press pulp fermentate；
8~10 parts of bone meal；6~10 parts of ammonium humate；10~15 parts of Chicken dung；12~18 parts of ferrous sulfate；15~20 parts of sustained release agent；
15~20 parts of water-loss reducer；15~20 parts of ammonium polyphosphate；2~4 parts of alcohol effluent；1~3 part of magnesium nitrate；2~4 parts of calcium nitrate；It is micro-
1.8~2.2 parts of secondary element.
2. the slow-release fertilizer of sweet potato according to claim 1, it is characterised in that described preparation method includes following step
Suddenly：
（1）Potash fertilizer, urea, magnesium nitrate, calcium nitrate, calcium magnesium phosphate, ferrous sulfate and trace element are mixed in parts by weight
Uniformly, mixture A is produced；
（2）In parts by weight by the barnyard manure of cattle and sheep circle, mangosteen powder, maize cob meal, peanut powder, wheat bran, peanut press pulp fermentate, bone
Powder and Chicken dung are well mixed, and produce mixture B；
（3）By step（1）And step（2）Corresponding obtained mixture A and mixture B is sufficiently mixed, and adds poly
Ammonium phosphate, ammonium humate and water-loss reducer are sufficiently mixed uniformly, produce mixture C；
（4）Mixture C is crushed through gravity system, fully blending is uniform, then adds alcohol effluent in parts by weight, by turning
Drum comminution granulation is granulated, and particle is made, sustained release agent is wrapped in particle outer layer, is dried, is obtained product.
3. the slow-release fertilizer of sweet potato according to claim 1, it is characterised in that described micro- and weight ratio is Fe:
Mn:Zn:Cu:B:Mo=4:2:1:2:1:1。
4. the slow-release fertilizer of sweet potato according to claim 1, it is characterised in that described sustained release agent include polyvinyl chloride 12~
15 parts, 20~30 parts of polyvinyl alcohol, 5~10 parts of polyacrylic resin, 20~30 parts of β~cyclodextrine and molecular weight 50000~
8~10 parts of 100000 chitosan；Its preparation method stirs 4~5 points to be dissolved into polyvinyl alcohol in 65~75 DEG C of hot water
Clock, vinyl chloride, polyacrylic resin and β~cyclodextrine stirring and dissolving are then added, be well mixed, add chitosan, soon
Speed stirs, that is, sustained release agent is made.
5. the slow-release fertilizer of sweet potato according to claim 1, it is characterised in that the water-loss reducer include starch, acrylates,
Water and crosslinking agent；The starch：Acrylates：Water：The weight ratio of crosslinking agent is：8~12:20~26:6~8:0.5~1；Institute
It is that starch, acrylates, water and crosslinking agent are carried out into ultrasonic mixing to state water-loss reducer preparation method, produces water-loss reducer.
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Cited By (5)
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| CN108947682A (en) * | 2018-08-20 | 2018-12-07 | 蒙建玲 | Jasmine insect prevention is sustained water keeping fertilizer and its production method |
| CN108975957A (en) * | 2018-08-29 | 2018-12-11 | 交城县金兰化工有限公司 | A kind of preparation method of quicksand like four water-calcium nitrate |
| CN108976080A (en) * | 2018-08-14 | 2018-12-11 | 潍坊市信得生物科技有限公司 | A kind of sweet potato antibacterial soil amendment fertilizer |
| CN109651021A (en) * | 2019-01-31 | 2019-04-19 | 山东农大腐植酸高效利用工程技术研发有限公司 | A kind of full source high-efficiency sustained-release Eco-fertilizer of sweet potato suitable for plains region |
| CN110577450A (en) * | 2019-10-09 | 2019-12-17 | 惠州绿环肥料有限公司 | Production process of bone meal peanut bran efficient granular fertilizer |
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| CN108976080A (en) * | 2018-08-14 | 2018-12-11 | 潍坊市信得生物科技有限公司 | A kind of sweet potato antibacterial soil amendment fertilizer |
| CN108947682A (en) * | 2018-08-20 | 2018-12-07 | 蒙建玲 | Jasmine insect prevention is sustained water keeping fertilizer and its production method |
| CN108975957A (en) * | 2018-08-29 | 2018-12-11 | 交城县金兰化工有限公司 | A kind of preparation method of quicksand like four water-calcium nitrate |
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| CN109651021B (en) * | 2019-01-31 | 2022-01-18 | 山东农大肥业科技有限公司 | Sweet potato all-source efficient slow-release ecological fertilizer suitable for plain areas |
| CN110577450A (en) * | 2019-10-09 | 2019-12-17 | 惠州绿环肥料有限公司 | Production process of bone meal peanut bran efficient granular fertilizer |
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