CN109824443A - A kind of anti-root rot ecology slow-release fertilizer and preparation method thereof - Google Patents
A kind of anti-root rot ecology slow-release fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN109824443A CN109824443A CN201910265313.2A CN201910265313A CN109824443A CN 109824443 A CN109824443 A CN 109824443A CN 201910265313 A CN201910265313 A CN 201910265313A CN 109824443 A CN109824443 A CN 109824443A
- Authority
- CN
- China
- Prior art keywords
- parts
- fertilizer
- slow
- root rot
- added
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Fertilizers (AREA)
Abstract
The present invention discloses a kind of anti-root rot ecology slow-release fertilizer and preparation method thereof, belongs to technical field of fertilizers.Fertilizer of the present invention is prepared by following raw material: 20-30 parts of nitrogenous fertilizer, 10-16 parts of phosphate fertilizer, 8-10 parts of potash fertilizer, 10-20 parts of humic acid, microelement 3-10 parts middle, 3-5 parts of attapulgite, 3-5 parts of borax, 1-3 parts of calcium sulfate, 2-4 parts of pulverized limestone, 0.8-2.5 parts of calcium chloride, 0.1-0.5 parts of dazomet, 5-10 parts of coating agent；The coating agent is obtained after modified by cornstarch.Fertilizer formula science of the present invention, fertilizer efficiency is significant, can effectively reduce the probability of happening of crop root rot, promotes crop resistance.It is provided simultaneously with good slow release effect, lasting and stable nutriment is provided for crop, promotes crop yield and quality, and pollution-free to biology, soil, water source, safeguards ecological environment of soil, safety and environmental protection.
Description
Technical field
The invention belongs to technical field of fertilizers, and in particular to a kind of anti-root rot ecology slow-release fertilizer and preparation method thereof.
Background technique
Utilization rate of fertilizer can be improved in application sustained-controll-release fertiliser, is the direction of 21 century Fertilizer development.Delay controlled release in a broad sense
Fertilizer refers to that fertilizer nutrient rate of release is slow, and acquisition time is longer, can meet plant growth in the entire growth period of crop
The fertilizer of demand.But there is its respectively different definition again for slow-release fertilizer and Controlled Release Fertilizer in the narrow sense.Slow-release fertilizer (SRFs) is also known as
Controlled availability fertilizer refers mainly to the speed fertilizer more slow than common fertilizer for being changed into plant available nutrient after being manured into soil.It is discharged
Rate, mode and duration cannot control well, be affected by fertilization mode and environmental condition.Slow-release fertilizer it is advanced
Form is Controlled Release Fertilizer (CRFS), refers to and presets fertilizer in the release mode of crop growing season by various mechanism measures,
Its nutrient element releasing rule and crop nutrition content is set to absorb basic synchronization, to reach a kind of fertilizer for improving fertilizer efficiency purpose.
Root rot is a kind of fungus-caused disease, which will cause butt rot, absorbs the function of moisture and nutrient gradually
Weaken, last complete stool is dead, is mainly shown as whole strain yellow leaf, withers.Root rot is current influence cereal crops, vegetables etc.
One of an important factor for agricultural products yield and quality.A kind of slow-release fertilizer with root rot prophylactic-therapeutic effect is developed, is had wide
Market prospects.
Summary of the invention
The present invention provides a kind of ecological slow-release fertilizer and preparation method thereof of anti-root rot, and fertilizer of the present invention is effectively anti-
While controlling Crop Root maize ear rot, sustainable release nutrient promotes plant growth, can also adjust soil texture, reduces
Soil Heavy Metal Elements Content safeguards ecological environment of soil, greatly promotes the utilization rate of fertilizer.
The technical scheme adopted by the invention is that:
A kind of anti-root rot ecology slow-release fertilizer, is prepared by following raw material: 20-30 parts of nitrogenous fertilizer, phosphate fertilizer 10-
16 parts, 8-10 parts of potash fertilizer, 10-20 parts of humic acid, microelement 3-10 parts middle, 3-5 parts of attapulgite, 3-5 parts of borax, sulfuric acid
1-3 parts of calcium, 2-4 parts of pulverized limestone, 0.8-2.5 parts of calcium chloride, 0.1-0.5 parts of dazomet, 5-10 parts of coating agent；The coating agent be by
Following methods are prepared: 5g cornstarch being dissolved in 80 DEG C of hot water, after stirring 1h, it is molten that the acetic acid that mass fraction is 2% is added
In liquid, it is made into the corn starch solution that mass fraction is 5%, 40min is stirred, by the KH560 for accounting for starch quality 5% and accounts for shallow lake
The lignin of silty amount 1% is dissolved in the ethyl alcohol of 2-3m L, is then added in starch acetate solution, continues to stir, and keeps temperature
60 DEG C of reaction 4-5h are spent, after completion of the reaction, solution decompression is evaporated into solvent and obtains solid, vacuum drying.
The middle microelement includes by weight ratio: 10-20 parts of silicon, 6-12 parts of magnesium, 2-8 parts of sulphur, 3-8 parts of iron, manganese
0.05-0.10 parts, 3-5 parts of zinc, 0.02-0.06 parts of copper, 0.05-0.1 parts of molybdenum.
The nitrogenous fertilizer is any one in urea, ammonium nitrate and ammonium hydrogen carbonate；The phosphate fertilizer is monoammonium phosphate, di(2-ethylhexyl)phosphate
Any one in ammonium and potassium dihydrogen phosphate；The potash fertilizer is potassium sulfate or potassium chloride.
A kind of preparation method of anti-root rot ecology slow-release fertilizer, comprising the following steps:
(1) weigh in proportion 20-30 parts of nitrogenous fertilizer, 10-16 parts of phosphate fertilizer, 8-10 parts of potash fertilizer, 10-20 parts of humic acid, in it is micro
3-10 parts of element, 3-5 parts of borax, 1-3 parts of calcium sulfate, 2-4 parts of pulverized limestone, 0.8-2.5 parts of calcium chloride, 0.1-0.5 parts of dazomet mix
Enter rotary drum granulator after closing uniformly and be passed through steam and roll humidification and is granulated that obtain fertile slug particle spare；
(2) 5g cornstarch is dissolved in 80 DEG C of hot water, after stirring 1h, is added in the acetum that mass fraction is 2%, matches
The cornstarch acetum for being 5% at mass fraction stirs 40min, by the KH560 for accounting for starch quality 5% and accounts for starchiness
The lignin of amount 1% is dissolved in the ethyl alcohol of 2-3m L, is then added in starch acetate solution, is continued to stir, and temperature 60 is kept
Solution decompression is evaporated solvent and obtains solid, vacuum drying obtains coating agent by DEG C reaction 4-5h after completion of the reaction；
(3) coating agent obtained by the step of taking 5-10 parts according to the ratio (2) is configured to 15% aqueous solution, and solution quality is added
1% glycerol, 1% sodium alginate and 0.5% calcium chloride, be uniformly mixing to obtain coating liquid；
(4) fertile slug particle obtained by step (1) is placed in granulating disc, rotating circular disc, is uniformly sprayed into obtained by step (3)
Coating liquid, is added attapulgite, and package uniformly, in 60 DEG C of dryings obtains fertilizer of the present invention afterwards for 24 hours.
KH560 is silane coupling agent, chemical name: γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane.
The utility model has the advantages that
(1) present invention adjusts the proportion structure of crop traditional fertilizer basic nutrients, and the calcium constituent greatly increased adds
Adduction uses, and calcium is one of nutrient necessary to plant growth and development, constitutes in plant growth and development process as knot
Point, it may have the miscellaneous function of enzyme, it is also the main component of cell wall, cell membrane synthesis.Once cell membrane is destroyed, cell
It is easy to necrosis, plant is easily susceptible, Disease symptoms occurs.Calcium is also main matter antitoxin in vacuole, is absorbed in vacuole a large amount of
Toxin and organic acid, oxalic acid, citric acid.Lack calcium constituent, crop is easy to be poisoned to death.The present invention is assisted using calcium constituent
Controlling crop diseases and insect pests reduce the use of pesticide to a certain extent, reduce the pollution to environment.
(2) this research is a kind of environmental-friendly to prepare, pollution-free to biology, soil, water source, will not influence soil ph
Coated fertilizer be target, use cornstarch for raw material, it be modified with organosilicon, reduce the polarity of its hydrophilic radical, solution
Certainly key issues of starch base coated fertilizer poor water resistance, to improve the hydrophobic performance of modified starch, obtain a kind of with good
Slow release effect and environmentally friendly coated slow-release material.Meanwhile a certain amount of lignin is added in outer layer coated fertilizer, wood
Though quality molecule has heterogeneity, all there are the functional groups such as phenolic hydroxyl group, alcoholic extract hydroxyl group, methoxyl group, carbonyl, carboxyl and carboxymethyl,
Wherein carboxyl and phenolic group functional group can form chelation with salt, metal ion, generate a variety of chelates and complex compound, centainly
Heavy metal element in degree fixing soil, plays the role of soil protection.
(3) present invention adds a small amount of dazomet in fertile slug particle, and dazomet (tetrahydro -3,5- dimethyl -2H-1,3,5-
Thiadiazine -2- thioketones) it is a kind of efficient, less toxic, noresidue Novel soil disinfectant, there is preferable control to soil-borne disease original
Effect processed.The nutriments such as calcium element are discharged simultaneously in fertilizer, and crop can be effectively controlled in the release of a certain amount of sterilizing substance
Root is during the growth process by the invasion of pest and disease damage, to reduce the probability of crop root rot generation.
Fertilizer formula science of the present invention, fertilizer efficiency is significant, can effectively reduce the probability of happening of crop root rot, and it is anti-to promote crop
Characteristic of disease.It is provided simultaneously with good slow release effect, lasting and stable nutriment is provided for crop, and to biology, soil, water source
It is pollution-free, safeguard ecological environment of soil, safety and environmental protection.
Specific embodiment
Technical scheme is described further combined with specific embodiments below, but not limited to this.
Embodiment 1
A kind of anti-root rot ecology slow-release fertilizer, is prepared by following raw material: 20 parts of nitrogenous fertilizer, 10 parts of phosphate fertilizer,
8 parts of potash fertilizer, 10 parts of humic acid, 3 parts of middle microelement, 3 parts of attapulgite, 3 parts of borax, 1 part of calcium sulfate, 2 parts of pulverized limestone, chlorine
Change 0.8 part of calcium, 0.1 part of dazomet, 5 parts of coating agent；The coating agent is prepared by following methods: 5g cornstarch is dissolved in
80 DEG C of hot water after stirring 1h, are added in the acetum that mass fraction is 2%, it is molten to be made into the cornstarch that mass fraction is 5%
Liquid stirs 40min, and the KH560 for accounting for starch quality 5% and the lignin for accounting for starch quality 1% are dissolved in the ethyl alcohol of 2 m L,
It is then added in starch acetate solution, continues to stir, temperature 60 C is kept to react 4h, after completion of the reaction, solution is depressurized and is steamed
Fall solvent and obtains solid, vacuum drying.
The middle microelement includes by weight ratio: 10 parts of silicon, 6 parts of magnesium, 2 parts of sulphur, 3 parts of iron, 0.05 part of manganese, zinc 3
Part, 0.02 part of copper, 0.05 part of molybdenum.
The nitrogenous fertilizer is urea；The phosphate fertilizer is monoammonium phosphate；The potash fertilizer is potassium sulfate.
A kind of preparation method of anti-root rot ecology slow-release fertilizer, comprising the following steps:
(1) 20 parts of nitrogenous fertilizer, 10 parts of phosphate fertilizer, 8 parts of potash fertilizer, 10 parts of humic acid, 3 parts of middle microelement, borax 3 are weighed in proportion
Part, 1 part of calcium sulfate, 2 parts of pulverized limestone, 0.8 part of calcium chloride, 0.1 part of dazomet enter rotary drum granulator after mixing and are passed through steam
Roll humidification and is granulated that obtain fertile slug particle spare；
(2) 5g cornstarch is dissolved in 80 DEG C of hot water, after stirring 1h, is added in the acetum that mass fraction is 2%, matches
The cornstarch acetum for being 5% at mass fraction stirs 40min, by the KH560 for accounting for starch quality 5% and accounts for starchiness
The lignin of amount 1% is dissolved in the ethyl alcohol of 2m L, is then added in starch acetate solution, is continued to stir, and temperature 60 C is kept
4h is reacted, after completion of the reaction, solution decompression is evaporated into solvent and obtains solid, vacuum drying obtains coating agent；
(3) coating agent obtained by the step of taking 5 parts according to the ratio (2) is configured to 15% aqueous solution, and solution quality 1% is added
Glycerol, 1% sodium alginate and 0.5% calcium chloride, are uniformly mixing to obtain coating liquid；
(4) fertile slug particle obtained by step (1) is placed in granulating disc, rotating circular disc, is uniformly sprayed into obtained by step (3)
Coating liquid, is added attapulgite, and package uniformly, in 60 DEG C of dryings obtains fertilizer of the present invention afterwards for 24 hours.
Embodiment 2
A kind of anti-root rot ecology slow-release fertilizer, is prepared by following raw material: 25 parts of nitrogenous fertilizer, 13 parts of phosphate fertilizer,
9 parts of potash fertilizer, 15 parts of humic acid, 7 parts of middle microelement, 4 parts of attapulgite, 4 parts of borax, 2 parts of calcium sulfate, 3 parts of pulverized limestone, chlorine
Change 1.5 parts of calcium, 0.3 part of dazomet, 8 parts of coating agent；The coating agent is prepared by following methods: 5g cornstarch is dissolved in
80 DEG C of hot water after stirring 1h, are added in the acetum that mass fraction is 2%, it is molten to be made into the cornstarch that mass fraction is 5%
Liquid stirs 40min, and the KH560 for accounting for starch quality 5% and the lignin for accounting for starch quality 1% are dissolved in the ethyl alcohol of 2.5 m L
In, it is then added in starch acetate solution, continues to stir, temperature 60 C reaction 4.5h is kept after completion of the reaction to subtract solution
Pressure evaporates solvent and obtains solid, vacuum drying.
The middle microelement includes by weight ratio: 15 parts of silicon, 9 parts of magnesium, 5 parts of sulphur, 5 parts of iron, 0.08 part of manganese, zinc 4
Part, 0.04 part of copper, 0.08 part of molybdenum.
The nitrogenous fertilizer is ammonium nitrate；The phosphate fertilizer is Diammonium phosphate (DAP)；The potash fertilizer is potassium chloride.
A kind of preparation method of anti-root rot ecology slow-release fertilizer, comprising the following steps:
(1) 25 parts of nitrogenous fertilizer, 13 parts of phosphate fertilizer, 9 parts of potash fertilizer, 15 parts of humic acid, 7 parts of middle microelement, borax 4 are weighed in proportion
Part, 2 parts of calcium sulfate, 3 parts of pulverized limestone, 1.5 parts of calcium chloride, 0.3 part of dazomet enter rotary drum granulator after mixing and are passed through steam
Roll humidification and is granulated that obtain fertile slug particle spare；
(2) 5g cornstarch is dissolved in 80 DEG C of hot water, after stirring 1h, is added in the acetum that mass fraction is 2%, matches
The cornstarch acetum for being 5% at mass fraction stirs 40min, by the KH560 for accounting for starch quality 5% and accounts for starchiness
The lignin of amount 1% is dissolved in the ethyl alcohol of 2.5m L, is then added in starch acetate solution, is continued to stir, and temperature 60 is kept
Solution decompression is evaporated solvent and obtains solid, vacuum drying obtains coating agent by DEG C reaction 4.5h after completion of the reaction；
(3) coating agent obtained by the step of taking 8 parts according to the ratio (2) is configured to 15% aqueous solution, and solution quality 1% is added
Glycerol, 1% sodium alginate and 0.5% calcium chloride, are uniformly mixing to obtain coating liquid；
(4) fertile slug particle obtained by step (1) is placed in granulating disc, rotating circular disc, is uniformly sprayed into obtained by step (3)
Coating liquid, is added attapulgite, and package uniformly, in 60 DEG C of dryings obtains fertilizer of the present invention afterwards for 24 hours.
Embodiment 3
A kind of anti-root rot ecology slow-release fertilizer, is prepared by following raw material: 30 parts of nitrogenous fertilizer, 16 parts of phosphate fertilizer,
10 parts of potash fertilizer, 20 parts of humic acid, 10 parts of middle microelement, 5 parts of attapulgite, 5 parts of borax, 3 parts of calcium sulfate, 4 parts of pulverized limestone,
2.5 parts of calcium chloride, 0.5 part of dazomet, 10 parts of coating agent；The coating agent is prepared by following methods: by 5g cornstarch
80 DEG C of hot water are dissolved in, after stirring 1h, is added in the acetum that mass fraction is 2%, is made into the corn that mass fraction is 5%
Starch solution stirs 40min, and the KH560 for accounting for starch quality 5% and the lignin for accounting for starch quality 1% are dissolved in the second of 3m L
It in alcohol, is then added in starch acetate solution, continues to stir, temperature 60 C reaction 5h is kept after completion of the reaction to subtract solution
Pressure evaporates solvent and obtains solid, vacuum drying.
The middle microelement includes by weight ratio: 20 parts of silicon, 12 parts of magnesium, 8 parts of sulphur, 8 parts of iron, 0.10 part of manganese, zinc 5
Part, 0.06 part of copper, 0.1 part of molybdenum.
The nitrogenous fertilizer is ammonium hydrogen carbonate；The phosphate fertilizer is potassium dihydrogen phosphate；The potash fertilizer is potassium sulfate.
A kind of preparation method of anti-root rot ecology slow-release fertilizer, comprising the following steps:
(1) 30 parts of nitrogenous fertilizer, 16 parts of phosphate fertilizer, 10 parts of potash fertilizer, 20 parts of humic acid, 10 parts of middle microelement, boron are weighed in proportion
5 parts of sand, 3 parts of calcium sulfate, 4 parts of pulverized limestone, 2.5 parts of calcium chloride, 0.5 part of dazomet, are passed through into rotary drum granulator after mixing
Steam roll humidification and is granulated that obtain fertile slug particle spare；
(2) 5g cornstarch is dissolved in 80 DEG C of hot water, after stirring 1h, is added in the acetum that mass fraction is 2%, matches
The cornstarch acetum for being 5% at mass fraction stirs 40min, by the KH560 for accounting for starch quality 5% and accounts for starchiness
The lignin of amount 1% is dissolved in the ethyl alcohol of 3m L, is then added in starch acetate solution, is continued to stir, and temperature 60 C is kept
5h is reacted, after completion of the reaction, solution decompression is evaporated into solvent and obtains solid, vacuum drying obtains coating agent；
(3) coating agent obtained by the step of taking 10 parts according to the ratio (2) is configured to 15% aqueous solution, and solution quality 1% is added
Glycerol, 1% sodium alginate and 0.5% calcium chloride, be uniformly mixing to obtain coating liquid；
(4) fertile slug particle obtained by step (1) is placed in granulating disc, rotating circular disc, is uniformly sprayed into obtained by step (3)
Coating liquid, is added attapulgite, and package uniformly, in 60 DEG C of dryings obtains fertilizer of the present invention afterwards for 24 hours.
Test case 1
The measurement of coated fertilizer burst size: referring to the national standard (GB/T 23348-2009) of slow release fertilizer, using water
The measurement of dissolution rate method.It weighs fertilizer sample about 10g to be put into the pouch that the nylon gauze of 150 μm (100 mesh) is made into, pouch is put
Enter in 250m L vial, 200mL water be added, seals, be placed in 25 DEG C of biochemical constant incubators, respectively at 1,3,5,
7,14,28,42,56d is sampled, and is tested its nitrogen released rate using automatic analyzer, is calculated accumulation nitrogen release rate, calculation formula
It is as follows:
V=Wn/W
In formula, Wn is the mass fraction of the nitrogen released rate of measurement in n-th day, and W is the mass fraction of total nitrogen.
1 fertilizer dissolution rate % of table
| Fertilizer type | 1 day | 7 days | 10 days | 15 days | 20 days | 28 days |
| Non- coated carbamide | 100% | 0 | 0 | 0 | 0 | 0 |
| Embodiment 1 | 1.9% | 7.3% | 25.2% | 40.9% | 65.2% | 75.2% |
The urea of non-coating all dissolves in one day, dissolution rate 100%.And dissolution rate of the embodiment of the present invention is presented and is put down
It is steady to increase, reach 75.2% in 28 days accumulative dissolution rates, meets the national standard (GB/T 23348-2009) of slow release fertilizer, tool
Standby good slow release effect.
Test case 2
Experimental field: test is carried out in September, 2018 in Sichuan Chengdu strawberry cultivating
Test method: test sets 5 processing, respectively S1-S5 test group, each processing area 667m2, S1-S3 application is originally
Fertilizer obtained by inventive embodiments 1-3, before strawberry cultivating, uniformly spreads fertilizer over the fields in earth's surface by 400kg/ mus of dose, then turn over into
Soil.S4 applies the commercially available common chemical fertilizer of equivalent, and S5 is blank control, is not processed.
Root rot morbidity survey:
Strawberry Root Rot incidence is investigated in strawberry fruit expanding period, each processing randomly selects 6 rows, every row 10m.Morbidity
Rate, disease index and preventive effect calculate according to the following formula respectively:
Plant total number × 100% in disease incidence=dead seedling number/investigation section
Disease index=[∑ (sick grade strain number × typical value)/(total strain number × highest disease grade typical value)] × 100
Preventive effect=(blank district disease index-test process area disease index)/blank district disease index ×
100%
Strawberry Root Rot occurring degree:
0 grade has no morbidity for root system；1 grade is root system disease incidence≤30%, and blade is more normal；2 grades are 30% < root system
Disease incidence≤60%, blade are more normal；3 grades are 60% < root system disease incidence≤80%, and blade has started to turn yellow；4 grades are root
It is 80% or more disease incidence, blade has been withered；5 grades dead for whole strain, and blade integrally dries up.
The strawberry best fruiting period investigates S1-S5 yield of strawberry respectively and measures strawberry quality.
Quality determination is in following manner: choosing the more consistent strawberry fruit of 50 maturity, filters after sufficiently grinding
Filtrate is obtained, using the soluble sugar content in Phenol sulfuric acid procedure measurement filtrate；Using in determination of acid-basetitration filtrate can
Titrate acid content；Using the ascorbic acid content in 2,6- dichloroindophenol titration measuring filtrate, it is repeated 3 times.
Test result is as shown in table 2:
2 Strawberry Root Rot controlling experiment result of table
As can be seen from the table, fertilizer obtained by the application embodiment of the present invention, strawberry disease incidence are down within 10%, are put down
Up to 91% is imitated, illustrates to apply the probability that fertilizer of the present invention can effectively prevent and reduce Strawberry Root Rot generation.Together
When, it can promote strawberry growth, improve yield of strawberry and improve fruit quality.
It should be noted that above-described embodiment is only the section Example for realizing preferred embodiment of the 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 obtained, should fall within the scope of the present invention.
Claims (4)
1. a kind of anti-root rot ecology slow-release fertilizer, which is characterized in that be to be prepared by following raw material: nitrogenous fertilizer 20-30
Part, 10-16 parts of phosphate fertilizer, 8-10 parts of potash fertilizer, 10-20 parts of humic acid, microelement 3-10 parts middle, 3-5 parts of attapulgite, borax 3-
5 parts, 1-3 parts of calcium sulfate, 2-4 parts of pulverized limestone, 0.8-2.5 parts of calcium chloride, 0.1-0.5 parts of dazomet, 5-10 parts of coating agent；The packet
Film is prepared by following methods: 5g cornstarch being dissolved in 80 DEG C of hot water, after stirring 1h, it is 2% that mass fraction, which is added,
Acetum in, be made into mass fraction be 5% corn starch solution, stir 40min, the KH560 of starch quality 5% will be accounted for
It is dissolved in the ethyl alcohol of 2-3mL, is then added in starch acetate solution with the lignin for accounting for starch quality 1%, continue to stir, protect
Temperature 60 C reaction 4-5h is held, after completion of the reaction, solution decompression is evaporated into solvent and obtains solid, vacuum drying.
2. anti-root rot ecology slow-release fertilizer according to claim 1, which is characterized in that the middle microelement includes by weight
Proportion: 10-20 parts of silicon, 6-12 parts of magnesium, 2-8 parts of sulphur, 3-8 parts of iron, 0.05-0.10 parts of manganese, 3-5 parts of zinc, 0.02-0.06 parts of copper,
0.05-0.1 parts of molybdenum.
3. anti-root rot ecology slow-release fertilizer according to claim 1, which is characterized in that the nitrogenous fertilizer be urea, ammonium nitrate and
Any one in ammonium hydrogen carbonate；The phosphate fertilizer is any one in monoammonium phosphate, Diammonium phosphate (DAP) and potassium dihydrogen phosphate；It is described
Potash fertilizer is potassium sulfate or potassium chloride.
4. the preparation method of anti-root rot ecology slow-release fertilizer described in a kind of claim 1-3 any one, which is characterized in that including
Following steps:
(1) 20-30 parts of nitrogenous fertilizer, 10-16 parts of phosphate fertilizer, 8-10 parts of potash fertilizer, 10-20 parts of humic acid, middle microelement are weighed in proportion
3-10 parts, 3-5 parts of borax, 1-3 parts of calcium sulfate, 2-4 parts of pulverized limestone, 0.8-2.5 parts of calcium chloride, 0.1-0.5 parts of dazomet, mixing are equal
Enter rotary drum granulator after even and be passed through steam and roll humidification and is granulated that obtain fertile slug particle spare；
(2) 5g cornstarch is dissolved in 80 DEG C of hot water, after stirring 1h, is added in the acetum that mass fraction is 2%, is made into matter
The cornstarch acetum that score is 5% is measured, 40min is stirred, by the KH560 for accounting for starch quality 5% and accounts for starch quality 1%
Lignin be dissolved in the ethyl alcohol of 2-3mL, be then added in starch acetate solution, continue to stir, keep temperature 60 C reaction
Solution decompression is evaporated solvent and obtains solid, vacuum drying obtains coating agent by 4-5h after completion of the reaction；
(3) coating agent obtained by the step of taking 5-10 parts according to the ratio (2) is configured to 15% aqueous solution, and solution quality 1% is added
Glycerol, 1% sodium alginate and 0.5% calcium chloride, are uniformly mixing to obtain coating liquid；
(4) fertile slug particle obtained by step (1) is placed in granulating disc, rotating circular disc uniformly sprays into coating obtained by step (3)
Liquid, is added attapulgite, and package uniformly, in 60 DEG C of dryings obtains fertilizer of the present invention afterwards for 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265313.2A CN109824443A (en) | 2019-04-03 | 2019-04-03 | A kind of anti-root rot ecology slow-release fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265313.2A CN109824443A (en) | 2019-04-03 | 2019-04-03 | A kind of anti-root rot ecology slow-release fertilizer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109824443A true CN109824443A (en) | 2019-05-31 |
Family
ID=66874092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910265313.2A Withdrawn CN109824443A (en) | 2019-04-03 | 2019-04-03 | A kind of anti-root rot ecology slow-release fertilizer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109824443A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112010703A (en) * | 2020-09-07 | 2020-12-01 | 眉山市新都化工复合肥有限公司 | Biological humic acid fertilizer and preparation method thereof |
| CN113527005A (en) * | 2021-08-04 | 2021-10-22 | 安徽省司尔特肥业股份有限公司 | Special stable formula fertilizer for corn and preparation method thereof |
-
2019
- 2019-04-03 CN CN201910265313.2A patent/CN109824443A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112010703A (en) * | 2020-09-07 | 2020-12-01 | 眉山市新都化工复合肥有限公司 | Biological humic acid fertilizer and preparation method thereof |
| CN113527005A (en) * | 2021-08-04 | 2021-10-22 | 安徽省司尔特肥业股份有限公司 | Special stable formula fertilizer for corn and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103121878B (en) | Double membrane slow release fertilizer containing humic acid and preparation method thereof | |
| CN105218277B (en) | Improve the Kiwi berry composite microbe fertilizer and its preparation and application method of soil | |
| CN106590671B (en) | Soil conditioner and preparation method and application thereof | |
| CN105315084A (en) | Synergistic environment-friendly fertilizer aid and fertilizer | |
| CN108218597A (en) | A kind of multiple-element long active fruit-specific fertilizer and preparation method thereof | |
| CN106380286A (en) | Long-acting organic-inorganic compound fertilizer special for wheat | |
| CN105367296A (en) | Water-soluble carbon enzyme granule fertilizer and preparation method thereof | |
| Huang et al. | Seasonal differences in N release dynamic of controlled-released urea in paddy field and its impact on the growth of rice under double rice cropping system | |
| CN106588486A (en) | Biogenic stimulant capable of enhancing crop stress resistance and synthesis method thereof | |
| CN107244971A (en) | Double film-coated and slow release fertilizers of a kind of prevention and control fruit tree diseases and pests type and preparation method thereof | |
| CN109824443A (en) | A kind of anti-root rot ecology slow-release fertilizer and preparation method thereof | |
| CN105016858A (en) | Biochar slow-release nitrogen fertilizer and preparation method thereof | |
| CN102260116A (en) | Plant nutrient containing oligosaccharide and organic silicon | |
| CN110256146A (en) | A kind of slow-releasing granules compound fertilizer and preparation method thereof of stalk film forming | |
| CN108238830A (en) | A kind of double regulation control paddy rice-dedicated fertilizer and preparation method thereof | |
| CN106699424A (en) | Special topdressing compound fertilizer for tobaccos and preparation method | |
| CN107500921A (en) | A kind of process of high tower production nitric fulvic acid composite fertilizer and its composite fertilizer | |
| CN110357709A (en) | A kind of corn resistance physiology slow release fertilizer synergist and the preparation method and application thereof | |
| CN108558585A (en) | Ammonium sulfate coated carbamide nitrogenous fertilizer, ammonium sulfate coated carbamide slow-release or control-release fertilizer and preparation and application | |
| CN107739238A (en) | A kind of production method of the chelating type foliar fertilizer containing Celastrus angulatus | |
| CN105985198A (en) | Coated nitrogen fertilizer with regular release and preparation method thereof | |
| CN106518179A (en) | Preparation method of potassium-chelated zinc-added fertilizer synergist | |
| CN111689811A (en) | Preparation method of slow-release photosynthesis-promoting compound fertilizer | |
| CN109456126A (en) | A kind of long-acting humic acid slow-release fertilizer and preparation method thereof | |
| CN104193511B (en) | A kind of composite fertilizer for adding coagent and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190531 |
|
| WW01 | Invention patent application withdrawn after publication |