CN108911824A - Fertilizer and preparation method thereof is lost in control - Google Patents
Fertilizer and preparation method thereof is lost in control Download PDFInfo
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- CN108911824A CN108911824A CN201811067422.5A CN201811067422A CN108911824A CN 108911824 A CN108911824 A CN 108911824A CN 201811067422 A CN201811067422 A CN 201811067422A CN 108911824 A CN108911824 A CN 108911824A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
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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)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The present invention relates to fertilizer fields, and in particular to fertilizer and preparation method thereof is lost in control, which loses fertilizer and include：Straw biomass shell and core fertilizer, straw biomass shell wrap up core fertilizer.Preparation method includes：Core fertilizer is injected in straw biological material, forms straw biomass shell in core fertilizer surface.Achieve the purpose that stalk is made full use of by straw biomass shell, and the straw biomass shell that stalk is prepared is lost into fertilizer to the control that core fertilizer coats, enable to core fertilizer that can catch Fertilizer nutrient element by the ion-exchange performance of the straw biomass shell of outer layer and high absorption property net, enable plant used as needed, sufficiently achieves fixed nutrition, reduces the purpose for being lost and improving utilization rate of fertilizer.
Description
Technical field
The present invention relates to fertilizer fields, lose fertilizer and preparation method thereof in particular to control.
Background technique
China is large agricultural country, and agricultural straw resource is abundant, and it is about 7 that the annual stalk in the whole nation, which collects stock number, according to statistics
Hundred million tons.With the development of agricultural, agricultural crop straw yield increases year by year, largely rots in field, village road, blocking
Channel influences traffic, destroys vegetation, jeopardizes agricultural production and rural environment.Crop straw burning has aggravated problem of environmental pollution, haze
Weather row, has seriously affected turnpike driving and takeoff and landing, and consequence is very serious.
Chinese annual all kinds of stalk total outputs account for similar three points of world's stalk total amount about about hundred million tons of 6-7
One of.But utilization obstacle to stalk and bad, a large amount of stalks do not have any application, are allowed to rot or directly burn-up.
Summary of the invention
The purpose of the present invention includes providing a kind of control to lose fertilizer and preparation method thereof, to be made full use of to stalk,
Effective control, which is lost, to control loses fertilizer.
The present invention solves its technical problem and adopts the following technical solutions to realize.
The present invention provides a kind of controls to lose fertilizer comprising：Straw biomass shell and core fertilizer, outside straw biomass
Shell wraps up core fertilizer.
The present invention also provides the preparation methods that fertilizer is lost in above-mentioned control comprising：Core fertilizer is injected into straw biological material
In material, straw biomass shell is formed in core fertilizer surface.
Achieve the purpose that stalk is made full use of by straw biomass shell, and the stalk that stalk is prepared
Fertilizer is lost in the control that biomass shell coats core fertilizer, enable to core fertilizer can be by the straw biomass of outer layer outside
The ion-exchange performance and high absorption property net of shell catch Fertilizer nutrient element, enable plant used as needed, sufficiently achieve
Fixed nutrition reduces the purpose for being lost and improving utilization rate of fertilizer.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the pictorial diagram that the embodiment of the present invention 7 produces that fertilizer is lost in obtained control.
Specific embodiment
It, below will be to embodiment party of the present invention to keep the purposes, technical schemes and advantages of embodiment of the present invention clearer
Technical solution in formula is clearly and completely described.The person that is not specified actual conditions in embodiment or embodiment, according to routine
The condition that condition or manufacturer suggest carries out.Reagents or instruments used without specified manufacturer, being can be by commercially available purchase
Buy the conventional products of acquisition.
The control mistake fertilizer and preparation method thereof that is related to of embodiment of the present invention is specifically described below.
Some embodiments of the present invention provide a kind of control mistake fertilizer comprising：Straw biomass shell and core fertilizer
Material, straw biomass shell wrap up core fertilizer.
Wherein, straw biomass shell is to obtain pure-natural biological material by raw material of stalk, and material therefor is green
Environmental protection, can natural degradation organic or inorganic object, the characteristics of these materials is that have huge specific surface area and excellent absorption
Performance.By " catching " chemical fertilizer nutrient using straw biomass shell ion-exchange performance and high absorption property, recycle
Lignin and fiber and other material inside stalk " catch " stick crystalline substance, concave convex rod crystalline substance by hydrogen bond, Van der Waals force and viscous force with
Chemical fertilizer interaction of molecules forms the interpenetrating networks of micro-nano-scale, is exaggerated the space scale of chemical fertilizer molecule and is cut by soil
It stays, " field planting " is around root system of plant.So-called " field planting " is exactly using straw biomass shell is built bridge, volume is swept, net is caught and charge
Absorption makes wetland form the absorption of molecule grid and fixed chemical fertilizer nutrient, reaches fixed nutrition, reduction is lost, is improved
The purpose of utilization rate of fertilizer.In addition, the fertilizer nutrient that above-mentioned control is lost in fertilizer passively releases, pass through when plant needs nutrient
Automatic absorption asks for nutrient, i.e., the speed Releasing nutrient needed according to plant, when plant has spent growth period and no longer needs nutrient,
Extra nutrient still by " net is caught " in the soil, for second stubble crop absorption.
Specifically, some embodiments, the raw material of straw biomass shell includes straw lignin, stalk fibre, natural
Boiomacromolecule adhesive.Wherein, straw lignin and stalk cellulose can be by carrying out microbial fermentation or change for stalk
Handle to obtain.By the bonding example using lignin itself, along with the reticular structure of fiber can be with natural biological high score
Sub- adhesive carries out processing jointly and forms biomass shell, which can have stronger ion-exchange performance
And high absorption property, and then can preferably realize be wrapped in its internal core fertilizer with need to be with the release taken.
According to some embodiments, total weight and the native biopolymer adhesive of straw lignin and stalk fibre
The ratio of weight is 2~15：5, for example, 2：5,3：5,4：5,5：5,6：5,7：5,8：5,9：5,10：5,11：5,12：5,13：5,
Or 14：5 etc..It should be noted that the total weight of straw lignin and stalk fibre is about the total weight of stalk herein.It needs
Bright, raw material stalk can be stalk residue of large agricultural product such as straw, wheat straw, corn stover etc. or straw
Stalk, wheat stalk, corn stover etc..
Further, according to some embodiments, native biopolymer adhesive includes cyanobacteria mud, maize alcohol stillage, beans
At least one of cake, rape cake, starch, modified starch and biological rubber powder of plant animal protein manufacture, for example, natural raw
Object polymer binder be plant animal protein manufacture biological rubber powder, cyanobacteria mud, maize alcohol stillage, soya-bean cake, rape cake, starch or
Modified starch is or, native biopolymer adhesive also may include cyanobacteria mud and starch or native biopolymer adhesive
It may include maize alcohol stillage and modified starch or native biopolymer adhesive may include maize alcohol stillage and starch or day
Right boiomacromolecule adhesive may include soya-bean cake and starch.
In order to enable straw biomass shell can carry out adequately fixed nutrition to internal core fertilizer, need to straw
The dosage of stalk biomass shell is configured, and biomass dosage is very few to be easy so that cannot achieve the effect that control mistake, use well
It is blocked up that amount excessively will lead to straw biomass shell, and when influencing plant and needing, core fertilizer is from its internal release performance, stalk
The weight ratio of biomass shell and core fertilizer is 10~70：30~90, for example, the weight ratio can be 20~50：40~80,
Or 30~50：50~60.
Further, in some embodiments, core fertilizer include single-element fertilizer, the inorganic slow control fertilizer of compound fertilizer, coating,
At least one of ureaformaldehyde slow-release fertilizer and trace-element fertilizer.Such as nitrogenous fertilizer, potash fertilizer, phosphate fertilizer or compound fertilizer or coating it is inorganic slow
Control fertilizer, ureaformaldehyde slow-release fertilizer and other inorganic humatite compound fertilizers and trace-element fertilizer.
Some embodiments of the present invention additionally provide a kind of preparation method of above-mentioned control mistake fertilizer comprising：By core fertilizer
In material injection straw biological material, the straw biomass shell is formed in core fertilizer surface.
Specifically, straw biological material can be prepared by following steps：By in stalk lignin and fiber carry out
Separation, then squeezed out after being mixed with native biopolymer adhesive.
Wherein, in some embodiments, by stalk lignin and fiber carry out separation be micro- by carrying out stalk
Biofermentation or chemical treatment.Preferably, by stalk lignin and fiber carry out separation be by the way that stalk is carried out micro- life
Object fermentation.Chemical treatment can be by listening lye to carry out the mode of impregnating etc. after being crushed stalk and handle.By micro-
Biofermentation or chemical treatment enable to stalk in the fermentation process of microorganism, so that lignin and fiber separate,
So as to soften stalk, enhance the cementability of stalk, and then be conducive to subsequent carry out extrusion forming.
It further, is by stalk and maize alcohol stillage, or by straw by stalk progress microbial fermentation in some embodiments
Stalk and cyanobacteria mud carry out microbial fermentation.By the way that maize alcohol stillage or cyanobacteria mud can be provided to more battalion for the microorganism of fermentation
Support matrix, keep its ferment effect more preferable, and maize alcohol stillage or cyanobacteria mud fermented after be more advantageous to itself and Production in Straw Fermentation
The biological material for capableing of extrusion forming is collectively formed in object.It needs stalk carrying out powder before stalk is carried out microbial fermentation
Broken processing.
In some embodiments, the microorganism of above-mentioned fermentation includes bacillus and cellulose-decomposing bacterium.Pass through gemma
The effect of bacillus and cellulose-decomposing bacterium can in stalk lignin to decomposite to come and stalk fibre is separated,
After cellulose is decomposed simultaneously, stalk can be softened.Certainly, in other embodiments, it also can choose it
He can carry out the microorganism fungus kind of softening decomposition to stalk.Wherein microorganism can be sent out with fermentative microorganism preparation or microorganism
The forms such as ferment powder, which are added in stalk, ferments.
In some embodiments, the additive amount of microorganism fungus kind is the 0.5%~2% of material quality.The time of fermentation can
Think 5~10 days.
Specifically, in some embodiments, will include in core fertilizer injection straw biological material：First by straw biological
Material cure and squeeze out by co-extrusion equipment the straw biomass shell of hollow tubular, then in straw biomass shell
Core fertilizer is added in interior extruding, it is preferable that curing temperature is 135~155 DEG C.
Straw biological material can be formed to the stalk that can accommodate core fertilizer inside it by co-extrusion equipment
Biomass shell before this cures straw biological material in through co-extrusion equipment, so that straw biological material
Extruding occurs, so that can be together with each other to form the fluid state with relatively strong bond ability between its material composition
Substance, and then could be squeezed out by extrusion equipment.Wherein, the process for carrying out mixing curing can be by single screw rod or twin-screw
Machine is realized.
It should be noted that being by by mixed straw biological material co-extrusion hollow tubular in coextrusion
Deployed core fertilizer is squeezed core fertilizer by straw biomass shell by co-extrusion pressure equipment at the same time
Enter in the straw biomass shell of hollow tubular.The core fertilizer can be outstanding at fertilizer at liquid, or manufacture by high temperature melt
Floating agent, or a kind of fertilizer emulsion is manufactured, to facilitate in injection straw biomass shell.
Further, the straw biomass shell for being squeezed into core fertilizer is cut, in cutting straw biomass
When shell, the cutting end of the straw biomass shell of cutting is closed, to form particle or bulk closed at both ends
Object.
Further, above-mentioned particle or block can also be controlled mistake fertilizer and solidification, specifically, dry solidification is dried
Temperature can be 50~70 DEG C, drying can be dried using conventional drying methods such as hot-air rotary drum.
Above-mentioned control can be lost fertilizer and be applied to field crops, industrial crops, vegetables, woods by some embodiments of the present invention
The plantation of industry.
Fertilizer is lost in the control that the method for embodiments of the present invention is prepared, and can Fertilizer nutrient element be stored/is locked in
Inside the biological shell of straw biological glue manufacture, discharged according to crop growth, and skin-material itself is also one
Kind organic fertilizer, by the porosity of fibrous material itself, adsorptivity, ion-exchange performance, and adjustment bonding strength, parent
It is aqueous can, material thickness etc. controls fertilizer loss, and material itself completely can biodegrade, to increasing soil fertility,
Fertilizer efficiency is improved, fertilizer loss is reduced, and a large amount of stalk resource of comprehensive utilization has extremely important meaning.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
The wheat stalk that 50 kilograms of maize alcohol stillages and 100 kilograms crush is mixed, by 0.5% mass ratio addition stalk hair
Then plus the viscosity of 10 kilograms of modified starches adjustment mixture ferment microorganism, is sealed by fermentation 10 days, sets in twin-screw coextrusion
After standby middle curing expansion, the straw biomass shell of hollow tubular is squeezed out, while squeezing and 50 kilograms of sustained release urea-formaldehyde fertilizer liquid are added
Body, then straw biological material is carried out being cut into particle or bulk and closes cut-off port in cutting process, then at 60 DEG C
At a temperature of, it is dried, solidifies internal core fertilizer, obtain control and lose fertilizer.
Wherein, it is 1 that stalk fermentation microorganism, which is mass ratio,：1 bacillus and cellulose-decomposing bacterium, curing temperature are
135 DEG C, the weight ratio that straw biomass shell and core fertilizer in fertilizer are lost in control is 10：3.Control is lost organic in the main component of fertilizer
Matter content is 70%, nitrogenous fertilizer content 14%.
Embodiment 2
The wheat stalk that 50 kilograms of maize alcohol stillages and 100 kilograms crush is mixed, adds stalk fermentation by 2% mass ratio
Then plus the viscosity of 10 kilograms of modified starches adjustment mixture microorganism, is sealed by fermentation 5 days, in twin-screw co-extrusion equipment
After middle curing expansion, the straw biomass shell of hollow tubular is squeezed out, while squeezing and 50 kilograms of sustained release urea-formaldehyde fertilizer liquid are added,
Again straw biological material is carried out being cut into particle or bulk and close cut-off port in cutting process, then in 70 DEG C of temperature
It under degree, is dried, solidifies internal core fertilizer, obtain control and lose fertilizer.
Wherein, it is 1 that stalk fermentation microorganism, which is mass ratio,：1 bacillus and cellulose-decomposing bacterium, curing temperature are
155 DEG C, the weight ratio that straw biomass shell and core fertilizer in fertilizer are lost in control is 10：3.Control is lost organic in the main component of fertilizer
Matter content is 76%, nitrogenous fertilizer content 12%.
Embodiment 3
The wheat stalk that 50 kilograms of maize alcohol stillages and 100 kilograms crush is mixed, adds stalk fermentation by 1% mass ratio
Then plus the viscosity of 10 kilograms of modified starches adjustment mixture microorganism, is sealed by fermentation 8 days, in twin-screw co-extrusion equipment
After middle curing expansion, the straw biomass shell of hollow tubular is squeezed out, while squeezing and 50 kilograms of sustained release urea-formaldehyde fertilizer liquid are added,
Again straw biological material is carried out being cut into particle or bulk and close cut-off port in cutting process, then in 50 DEG C of temperature
It under degree, is dried, solidifies internal core fertilizer, obtain control and lose fertilizer.
Wherein, it is 1 that stalk fermentation microorganism, which is mass ratio,：1 bacillus and cellulose-decomposing bacterium, curing temperature are
145 DEG C, the weight ratio that straw biomass shell and core fertilizer in fertilizer are lost in control is 10：3.Control is lost organic in the main component of fertilizer
Matter content is 65%, nitrogenous fertilizer content 18%.
Embodiment 4
The wheat stalk that 100 kilograms of cyanobacteria mud and 50 kilograms crush is mixed, it is micro- by 1% mass ratio addition stalk fermentation
Then plus the viscosity of 10 kilograms of cornstarch adjustment mixture biology, is sealed by fermentation 8 days, in twin-screw co-extrusion equipment
After curing expansion, the straw biomass shell of hollow tubular is squeezed out, while squeezing and 50 kilograms of sustained release urea-formaldehyde fertilizer liquid is added, then
Straw biological material is carried out being cut into particle or bulk and closes cut-off port in cutting process, then in 60 DEG C of temperature
Under, it is dry so that internal core fertilizer is solidified, it obtains control and loses fertilizer.
Wherein, it is 1 that stalk fermentation microorganism, which is mass ratio,：1 bacillus and cellulose-decomposing bacterium, curing temperature are
145 DEG C, the weight ratio that straw biomass shell and core fertilizer in fertilizer are lost in control is 10：3.Control is lost organic in the main component of fertilizer
Matter content is 68%, nitrogenous fertilizer content 15%.
Embodiment 5
The wheat stalk that 100 kilograms of cyanobacteria mud and 50 kilograms crush is mixed, it is micro- by 1% mass ratio addition stalk fermentation
Then plus the viscosity of 10 kilograms of cornstarch adjustment mixture biology, is sealed by fermentation 8 days, in twin-screw co-extrusion equipment
After curing expansion, squeeze out the straw biomass shell of hollow tubular, at the same squeeze 30 kilograms of sustained release urea-formaldehyde fertilizer liquid of addition with
10 kg of phosphoric acid potassium dihydrogen mixing liquids, then straw biological material is carried out to be cut into particle or bulk and in cutting process
Close cut-off port, then 60 DEG C at a temperature of, it is dry so that internal core fertilizer is solidified, obtain control and lose fertilizer.
Wherein, it is 1 that stalk fermentation microorganism, which is mass ratio,：1 bacillus and cellulose-decomposing bacterium, curing temperature are
145 DEG C, the weight ratio that straw biomass shell and core fertilizer in fertilizer are lost in control is 10：3.Control is lost organic in the main component of fertilizer
Matter content is 70%, and nitrogenous fertilizer content is 14%, phosphorus 5%, potassium 5%.
Embodiment 6
The wheat stalk that 90 kilograms of soya-bean cakes and 50 kilograms crush is mixed, it is micro- by 1.5% mass ratio addition stalk fermentation
Then plus the viscosity of 11 kilograms of cornstarch adjustment mixture biology, stockyard are fermented 8 days, in twin-screw co-extrusion equipment
After curing expansion, squeeze out the straw biomass shell of hollow tubular, at the same squeeze 30 kilograms of sustained release urea-formaldehyde fertilizer liquid of addition with
The mixing liquid of 10 kilograms of nitrogen-phosphorus-potassium compound fertilizers, then straw biological material is carried out being cut into particle or bulk and cut through
Cut-off port is closed in journey, then 60 DEG C at a temperature of, it is dry so that internal core fertilizer is solidified, obtain control and lose fertilizer.
Wherein, it is 1 that stalk fermentation microorganism, which is mass ratio,：1 bacillus and cellulose-decomposing bacterium, curing temperature are
145 DEG C, the weight ratio that straw biomass shell and core fertilizer in fertilizer are lost in control is 9：3.Control is lost organic in the main component of fertilizer
Matter content is 65%, and nitrogenous fertilizer content is 12%, phosphorus 8%, potassium 8%.
Embodiment 7
The wheat stalk that 100 kilograms of cyanobacteria mud and 50 kilograms crush is mixed, adds stalk fermentation by 1.5% mass ratio
Then plus the viscosity of 10 kilograms of cornstarch adjustment mixture microorganism, stockyard are fermented 8 days, in twin-screw co-extrusion equipment
After middle curing expansion, the straw biomass shell of hollow tubular is squeezed out, while squeezing and 30 kilograms of sustained release urea-formaldehyde fertilizer liquid are added
With the mixing liquid of 10 kilograms of nitrogen-phosphorus-potassium compound fertilizers, then straw biological material is carried out being cut into particle or bulk and cut
Close cut-off port in the process, then 60 DEG C at a temperature of, it is dry so that internal core fertilizer is solidified, obtain control and lose
Fertilizer.
Wherein, it is 1 that stalk fermentation microorganism, which is mass ratio,：1 bacillus and cellulose-decomposing bacterium, curing temperature are
145 DEG C, the weight ratio that straw biomass shell and core fertilizer in fertilizer are lost in control is 60：30.Control, which is lost in fertile main component, to be had
Machine matter content is 70%, and nitrogenous fertilizer content is 10%, phosphorus 7%, potassium 7%.
Embodiment 8
The wheat stalk that 50 kilograms are crushed mixes, and adds stalk fermentation microorganism, stockyard fermentation by 1.5% mass ratio
8 days, then plus the viscosity of 100 kilograms of cyanobacteria mud and 10 kilograms of cornstarch adjustment mixture, in twin-screw co-extrusion equipment
After middle curing expansion, the straw biomass shell of hollow tubular is squeezed out, while squeezing and 30 kilograms of sustained release urea-formaldehyde fertilizer liquid are added
With the mixing liquid of 10 kilograms of nitrogen-phosphorus-potassium compound fertilizers, then straw biological material is carried out to be cut into particle and in cutting process
Close cut-off port, then 60 DEG C at a temperature of, it is dry so that internal core fertilizer is solidified, obtain control and lose fertilizer.
Wherein, it is 1 that stalk fermentation microorganism, which is mass ratio,：1 bacillus and cellulose-decomposing bacterium, curing temperature are
145 DEG C, the weight ratio of straw biomass shell and core fertilizer is 60：30.The content of organic matter in the main component of fertilizer is lost in control
70%, nitrogenous fertilizer content is 10%, phosphorus 7%, potassium 7%.
Embodiment 9
The present embodiment difference from Example 7 is that extrusion process is squeezed out without curing, room temperature.
Embodiment 10~16
Embodiment 10~16 controls the weight of straw biomass shell and core fertilizer different from being in place of embodiment 7
Than being followed successively by 10：90,20：80,30：70,40：60,60：40,70：30,80：20.
Comparative example 1
Wheat stalk, 100 kilograms of cyanobacteria mud, 10 kilograms of cornstarch and the 30 kilograms of sustained release ureaformaldehydes that 50 kilograms are crushed
It is coextruded after the mixing of the mixture of fertilizer liquid and 10 kilograms of nitrogen-phosphorus-potassium compound fertilizers, after dry at a temperature of 60 DEG C, obtains particle
The fertilizer of shape.
Comparative example 2
Commercially available sustained release urea-formaldehyde fertilizer.
Test example 1
The fertilizer in fertilizer and comparative example 1 and comparison 2 is lost into control in embodiment 1~16, is placed in clear water, respectively
Record detects each fertilizer in 12 hours, 24 hours, 48 hours N release rates.The results are shown in Table 1 for it.
Table 1
Test example 2
By the fertilizer of embodiment 1~16 and comparative example 1~2 landfill with the soil of nitrogen-free, each fertilizer pair is recorded respectively
The soil answered was in 10 days, 20 days, 40 days, 60 days, 80 days N contents, and the results are shown in Table 2.
Table 2
Test example 3
Field trial
The rice soil for being rice cultivation 10 years or more for examination soil.For examination fertilizer difference selection example 7 and comparative example 1
Fertilizer and the fertilizer that forms of the mixing liquid that is sustained urea-formaldehyde fertilizer liquid and 10 kilograms of nitrogen-phosphorus-potassium compound fertilizers by 30 kilograms, three
Kind of fertilizer by discharging in proportion.Disposable base discharges fertilizer before pouring water, and harrow soil covering 10cm or so, after pouring water before rice transplanting
Carry out water rake, density of transplants 20cmx20cm, every 3~5 seedling of cave.Final statistics rice yield, the results are shown in Table 3.Referring to attached drawing
Shown in 1, the pictorial diagram that fertilizer is lost in obtained control is produced for the embodiment of the present invention 7.
Table 3
By Fertilizer nutrient element being stored/being locked in the straw biomass housings of straw biological glue manufacture, according to
Crop growth is discharged, and skin-material itself is also a kind of organic fertilizer, by adjusting bonding strength, parent
It is aqueous can, material thickness etc. controls fertilizer loss, and material itself completely can biodegrade, to increasing soil fertility,
Fertilizer efficiency is improved, fertilizer loss is reduced, and a large amount of stalk resource of comprehensive utilization has extremely important meaning.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. fertilizer is lost in a kind of control, which is characterized in that it includes：Straw biomass shell and core fertilizer, the straw biomass
Shell wraps up the core fertilizer.
2. fertilizer is lost in control according to claim 1, which is characterized in that the raw material of the straw biomass shell includes stalk wood
Quality, stalk fibre, native biopolymer adhesive；
Preferably, the weight of the total weight of the straw lignin and the stalk fibre and the native biopolymer adhesive
The ratio of amount is 2~15：5；
Preferably, the native biopolymer adhesive includes the biological rubber powder cyanobacteria mud of plant animal protein manufacture, corn
At least one of vinasse, soya-bean cake, rape cake, starch and modified starch.
3. the weight ratio of control mistake fertilizer according to claim 1, the straw biomass shell and the core fertilizer is 10
~70：30~90.
4. fertilizer is lost in control according to claim 1, which is characterized in that the core fertilizer include single-element fertilizer, compound fertilizer,
At least one of the inorganic slow control fertilizer of coating, ureaformaldehyde slow-release fertilizer and trace-element fertilizer.
5. a kind of preparation method for losing fertilizer such as the described in any item controls of Claims 1 to 4, which is characterized in that it includes：It will be described
Core fertilizer injects in straw biological material, forms the straw biomass shell in the core fertilizer surface.
6. it is according to claim 5 control lose fertilizer preparation method, which is characterized in that the straw biological material by with
Lower step preparation：By in stalk lignin and fiber separate, then with native biopolymer adhesive mixing after squeeze out.
7. the preparation method that fertilizer is lost in control according to claim 6, which is characterized in that by the lignin and fibre in the stalk
It is by the way that the stalk is carried out microbial fermentation or chemical treatment that dimension, which carries out separation, it is preferable that will be wooden in the stalk
It is by the way that the stalk is carried out microbial fermentation, it is further preferred that the stalk is carried out micro- that element and fiber, which carry out separation,
Biofermentation is to carry out microbial fermentation by the stalk and maize alcohol stillage, or by the stalk and cyanobacteria mud；
Preferably, the microorganism of fermentation includes bacillus and cellulose-decomposing bacterium.
8. the preparation method that fertilizer is lost in control according to claim 7, which is characterized in that core fertilizer injection stalk is raw
It is specifically included in material：First the straw biological material cure by co-extrusion equipment and squeezes out hollow tubular
Straw biomass shell, then squeezed in the straw biomass shell and the core fertilizer be added, it is preferable that curing temperature
It is 135~155 DEG C.
9. the preparation method that fertilizer is lost in control according to claim 8, which is characterized in that the preparation method that fertilizer is lost in the control is also wrapped
It includes and is cut to by the straw biomass shell for being squeezed into the core fertilizer, form particle or block closed at both ends
Shape object.
10. the preparation method that fertilizer is lost in control according to claim 9, which is characterized in that the control loses the preparation method of fertilizer also
Including solidification is dried in the particle or the block, it is preferable that the temperature of dry solidification is 50~70 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112811967A (en) * | 2021-03-30 | 2021-05-18 | 湖北尹吉甫鑫磊生物科技有限公司 | Efficient moisturizing organic fertilizer special for fruit trees |
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| CN101062878A (en) * | 2006-04-30 | 2007-10-31 | 中国科学院过程工程研究所 | Degradable natural organic matter bundled slow-releasing fertilizer and preparation method and usage thereof |
| CN103304321A (en) * | 2013-06-19 | 2013-09-18 | 中农舜天生态肥业有限公司 | Environmental-friendly inorganic composite membrane controlled-release fertilizer and preparation method thereof |
| CN203947045U (en) * | 2014-07-01 | 2014-11-19 | 天津市绿源环境景观工程有限公司 | The special-purpose hollow slowly-releasing of a kind of trees column is fertile |
| CN104447139A (en) * | 2014-11-20 | 2015-03-25 | 北京东方园林股份有限公司 | Air-permeable controlled release fertilizer rod and fertilizer applying method thereof |
| CN107652098A (en) * | 2017-11-20 | 2018-02-02 | 福清市冠丰现代农业农民专业合作社 | A kind of organic fertilizer and its production method using animal wastes production |
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| CN112811967A (en) * | 2021-03-30 | 2021-05-18 | 湖北尹吉甫鑫磊生物科技有限公司 | Efficient moisturizing organic fertilizer special for fruit trees |
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Application publication date: 20181130 |