CN108863516A - A kind of slow releasing medicinal fertilizer and preparation method thereof for preventing and treating strawberry sclerotiniose - Google Patents
A kind of slow releasing medicinal fertilizer and preparation method thereof for preventing and treating strawberry sclerotiniose Download PDFInfo
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- CN108863516A CN108863516A CN201810674748.8A CN201810674748A CN108863516A CN 108863516 A CN108863516 A CN 108863516A CN 201810674748 A CN201810674748 A CN 201810674748A CN 108863516 A CN108863516 A CN 108863516A
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- fertilizer
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
Abstract
The slow releasing medicinal fertilizer that the invention discloses a kind of for preventing and treating strawberry sclerotiniose, including medicine fertilizer kernel and coating, the medicine fertilizer kernel are made of raw material from the following weight：Cake fertilizer 50-60, a- amylase 2-4, potassium dihydrogen phosphate 10-15, water soluble phosphorous fertilizer 8-12, urea 15-18, ferrous sulfate 2-4, zinc sulfate 0.5-1, copper sulphate 0.4-1, sodium ascorbate 1-3, silester 9-15, silane coupling agent 3-5,8-11 parts of Chinese herbal medicine extract, the Chinese herbal medicine extract is prepared by Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash；The coating is made of raw material from the following weight including polyvinyl alcohol 9-13, chitosan 1.5-2.2, silica 0.5-0.8, starch 2-4, cellulose 1-3, gelatin 3-6, water 71-83.The present invention also provides the preparation methods of slow releasing medicinal fertilizer.It is an advantage of the current invention that the slow releasing medicinal fertilizer is effectively improved the disease resistance of strawberry, improves yield and quality of strawberry, greatly reduce the labor intensity of peasant to prevent and treat sclerotiniose.
Description
Technical field
The invention belongs to Crop fertilizer technical fields, and in particular to a kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose
And preparation method thereof.
Background technique
Strawberry sclerotiniose is disease in fungi, has generation in each strawberry producing region in the whole nation.The disease main harm strawberry
Petiole, anthocaulus, fruit.Sick portion is just in filbert water soaked spots, and is gradually expanded as shuttle shape or irregular shape, super-humid conditions
Under, the sick soft corruption in portion, scab surface grows a large amount of flocculence white hyphas, and rear mycelia gets together to form the black of mouse excrement shape or irregular shape
Color sclerotium.Infected plant full leaf is withered to rot, and anthocaulus is withered, and root and Stem nematode point are normal, and the later period can bear young leaves again, but
It cannot yield positive results.
Mainly there are crop rotation, chemical agent etc. for the control method of sclerotiniose at present, rotation method required time is longer and right
Have the defects that move inconvenient, higher cost in greenhouse strawberry, and chemical agent easily remains, and influences strawberry quality, destroys soil
Physicochemical environment.In addition, fertilizer is used separately with insecticide under normal circumstances, increase peasant's labour number and intensity.
Summary of the invention
Technical problem to be solved by the present invention lies in：Rotation method is not applicable and greenhouse strawberry, chemical agent influence strawberry
Quality destroys soil physical chemistry environment, and separately carries out increase labor intensity with fertilising.
The present invention solves above-mentioned technical problem using following technical scheme：
A kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose, including medicine fertilizer kernel and coating, the medicine fertilizer kernel by with
The raw material of lower parts by weight is made：Cake fertilizer 50-60, a- amylase 2-4, potassium dihydrogen phosphate 10-15, water soluble phosphorous fertilizer 8-12, urea
It is 15-18, ferrous sulfate 2-4, zinc sulfate 0.5-1, copper sulphate 0.4-1, sodium ascorbate 1-3, silester 9-15, silane coupled
8-11 parts of agent 3-5, Chinese herbal medicine extract, the Chinese herbal medicine extract by Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash preparation and
At；The coating is made of raw material from the following weight including polyvinyl alcohol 9-13, chitosan 1.5-2.2, silica 0.5-
0.8, starch 2-4, cellulose 1-3, gelatin 3-6, water 71-83.
Preferably, a kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose of the present invention, including medicine fertilizer kernel and coating, institute
Medicine fertilizer kernel is stated to be made of raw material from the following weight：Cake fertilizer 55, a- amylase 3, potassium dihydrogen phosphate 12, water soluble phosphorous fertilizer 10,
Urea 16, ferrous sulfate 3, zinc sulfate 0.7, copper sulphate 0.7, sodium ascorbate 2, silester 13, silane coupling agent 4, medium-height grass
9.5 parts of medicament extract, the Chinese herbal medicine extract is prepared by Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash；The coating
It is made of raw material from the following weight including polyvinyl alcohol 11, chitosan 1.8, silica 0.6, starch 3, cellulose 2, gelatin
4.6, water 77.
Preferably, a kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose of the present invention, mentions to prepare Chinese herbal medicine
Take the Chinese prickly ash of object, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash mass ratio be 4-8:1-6:1-3:3-9:6-11.
Preferably, a kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose of the present invention, the Chinese prickly ash, Cortex Phellodendri, hardship
Chinaberry leaf, silk tree leaf, the bark of ash mass ratio be 6:4:2:7:8.
Preferably, it is of the present invention it is a kind of for prevent and treat strawberry sclerotiniose slow releasing medicinal fertilizer, be prepared by the following steps and
At：
(1) Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash are weighed, broken be placed in the ethanol solution of 8-13% is impregnated
2h, then ultrasonic extraction obtains leaching liquor, heats leaching liquor, is kept for 60-70 DEG C of temperature volatilize completely to ethyl alcohol, is then cooled to
40 DEG C hereinafter, low-temperature evaporation obtains Chinese medical extract；
(2) weigh according to the ratio cake fertilizer, potassium dihydrogen phosphate, water soluble phosphorous fertilizer, urea, ferrous sulfate, zinc sulfate, copper sulphate,
Sodium ascorbate, a- amylase and Chinese medical extract, mixing, broken, 30 meshes excessively obtain powder, silicic acid second are added into powder
Ester, silane coupling agent, granulation obtains medicine fertilizer kernel after 30min is stirred under the revolving speed of 1000-1200r/min；
(3) polyvinyl alcohol, chitosan, silica, starch, cellulose, gelatin, water are weighed according to the ratio, and water is divided into
Two parts, starch is added in a water thereto, stirs to get gelatinized starch under 50-60 DEG C of water bath condition；By polyvinyl alcohol and separately
A water is added in reaction kettle, and chitosan is added to 90 DEG C in warming while stirring thereto, is cooled to 80 DEG C while stirring,
Insulation reaction 2h adds silica, and is warming up to 90 DEG C, insulation reaction 1h, by gelatinized starch, fiber after being cooled to 60 DEG C
Element and gelatin are added in reaction kettle, are sufficiently stirred to obtain film forming agent；
(4) medicine fertilizer kernel is added in rotary drum coated envelope machine, film forming agent is sprayed into medicine fertilizer core surface and is formed
Coating.
The present invention also provides above-mentioned a kind of for preventing and treating the preparation method of the slow releasing medicinal fertilizer of strawberry sclerotiniose, including with
Lower step：
(1) Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash are weighed, broken be placed in the ethanol solution of 8-13% is impregnated
2h, then ultrasonic extraction obtains leaching liquor, heats leaching liquor, is kept for 60-70 DEG C of temperature volatilize completely to ethyl alcohol, is then cooled to
40 DEG C hereinafter, low-temperature evaporation obtains Chinese medical extract；
(2) weigh according to the ratio cake fertilizer, potassium dihydrogen phosphate, water soluble phosphorous fertilizer, urea, ferrous sulfate, zinc sulfate, copper sulphate,
Sodium ascorbate, a- amylase and Chinese medical extract, mixing, broken, 30 meshes excessively obtain powder, silicic acid second are added into powder
Ester, silane coupling agent, granulation obtains medicine fertilizer kernel after 30min is stirred under the revolving speed of 1000-1200r/min；
(3) polyvinyl alcohol, chitosan, silica, starch, cellulose, gelatin, water are weighed according to the ratio, and water is divided into
Two parts, starch is added in a water thereto, stirs to get gelatinized starch under 50-60 DEG C of water bath condition；By polyvinyl alcohol and separately
A water is added in reaction kettle, and chitosan is added to 90 DEG C in warming while stirring thereto, is cooled to 80 DEG C while stirring,
Insulation reaction 2h adds silica, and is warming up to 90 DEG C, insulation reaction 1h, by gelatinized starch, fiber after being cooled to 60 DEG C
Element and gelatin are added in reaction kettle, are sufficiently stirred to obtain film forming agent；
(4) medicine fertilizer kernel is added in rotary drum coated envelope machine, film forming agent is sprayed into medicine fertilizer core surface and is formed
Coating.
The technology of the present invention beneficial effect：
Technical solution of the present invention, as fungicide, effectively kills sclerotiniose cause of disease using plant medicine source, and it is disease-resistant to improve strawberry
Ability improves yield and quality, reduces influence of the medicament to strawberry quality and soil physical chemistry environment；Plant medicine source and fertilizer are multiple
Match, so that medicament is administered simultaneously with fertilizer, and by the way that medicine fertilizer kernel to be wrapped in membrane material, slow release, within the longer term
Realize that the fertilizer to strawberry for medicine, greatly reduces the labor intensity of peasant；
Coated fertilizer used in the present invention changes it using chitosan, silica using polyvinyl alcohol as substrate
Property, and cooperate with starch, gelatin and cellulose, had good sustained release effect is easy to degrade, and facilitates environmental protection.
Specific embodiment
For convenient for those skilled in the art understand that technical solution of the present invention, now in conjunction with specific embodiment technical solution of the present invention
It is described further.
Embodiment one
A kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose, the raw material including following parts by weight disclosed in the present embodiment：
Cake fertilizer 55, a- amylase 3, potassium dihydrogen phosphate 12, water soluble phosphorous fertilizer 10, urea 16, ferrous sulfate 3, zinc sulfate 0.7, copper sulphate
0.7, sodium ascorbate 2, silester 13, silane coupling agent 4,9.5 parts of Chinese herbal medicine extract；The coating is by following parts by weight
Raw material be made including polyvinyl alcohol 11, chitosan 1.8, silica 0.6, starch 3, cellulose 2, gelatin 4.6, water 77；Institute
It is 6 that Chinese herbal medicine extract is stated by Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash in mass ratio:4:2:7:8 are prepared.
The slow releasing medicinal fertilizer is prepared by the following method：
(1) Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash are weighed according to the ratio, it is broken to be placed in 10% ethanol solution
2h is impregnated, then ultrasonic extraction obtains leaching liquor, heats leaching liquor, is kept for 65 DEG C of temperature or more make ethyl alcohol volatilization completely, then
40 DEG C are cooled to hereinafter, low-temperature evaporation obtains Chinese medical extract；
(2) weigh according to the ratio cake fertilizer, potassium dihydrogen phosphate, water soluble phosphorous fertilizer, urea, ferrous sulfate, zinc sulfate, copper sulphate,
Sodium ascorbate, a- amylase and Chinese medical extract, mixing, broken, 30 meshes excessively obtain powder, silicic acid second are added into powder
Ester, silane coupling agent, granulation obtains medicine fertilizer kernel after 30min is stirred under the revolving speed of 1100r/min；
(3) polyvinyl alcohol, chitosan, silica, starch, cellulose, gelatin, water are weighed, water is divided into two parts, to
Starch is added in a copy of it water, stirs to get gelatinized starch under 55 DEG C of water bath conditions；Polyvinyl alcohol and another water are added
Into reaction kettle, chitosan is added to 90 DEG C in warming while stirring thereto, is cooled to 80 DEG C, insulation reaction 2h while stirring,
Silica is added, and is warming up to 90 DEG C, insulation reaction 1h adds gelatinized starch, cellulose and gelatin after being cooled to 60 DEG C
Enter in reaction kettle, is sufficiently stirred to obtain film forming agent；
(4) medicine fertilizer kernel is added in rotary drum coated envelope machine, film forming agent is sprayed into medicine fertilizer core surface and is formed
Coating.
Cooperated by organic fertilizer and chemistry fertilizer, and prevent and treat strawberry sclerotiniose in conjunction with Chinese herbal medicine extract, in the same of fertilising
When apply medicament, reduce peasant's labour number and intensity.And in the coating that the medicine fertilizer is formed as kernel package with film forming agent,
Gradually fertilising fertilizer efficiency and drug effect, can keep its validity for a long time.
Polyvinyl alcohol is modified it with chitosan, silica as film forming agent substrate, and is aided with starch, fiber
Element and gelatin, enhance the slow release effect and degradability of coated fertilizer, in the premise that ensure that the fat effect of slow releasing medicinal and drug effect
Under, avoid environmental pollution.
Embodiment two
A kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose, the raw material including following parts by weight disclosed in the present embodiment：
Cake fertilizer 50, a- amylase 4, potassium dihydrogen phosphate 10, water soluble phosphorous fertilizer 12, urea 18, ferrous sulfate 2, zinc sulfate 1, copper sulphate
0.4, sodium ascorbate 3, silester 14.9, silane coupling agent 5,11 parts of Chinese herbal medicine extract；The coating is by following weight
The raw material of part is made including polyvinyl alcohol 13, chitosan 1.5, silica 0.8, starch 2, cellulose 3, gelatin 6, water 82；Institute
It is 4 that Chinese herbal medicine extract is stated by Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash in mass ratio:6:1:3:11 are prepared.
The slow releasing medicinal fertilizer is prepared by the following method：
(1) Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash are weighed according to the ratio, it is broken to be placed in 12% ethanol solution
2h is impregnated, then ultrasonic extraction obtains leaching liquor, heats leaching liquor, keeps temperature 70 C or more to make ethyl alcohol volatilization completely, then
40 DEG C are cooled to hereinafter, low-temperature evaporation obtains Chinese medical extract；
(2) weigh according to the ratio cake fertilizer, potassium dihydrogen phosphate, water soluble phosphorous fertilizer, urea, ferrous sulfate, zinc sulfate, copper sulphate,
Sodium ascorbate, a- amylase and Chinese medical extract, mixing, broken, 30 meshes excessively obtain powder, silicic acid second are added into powder
Ester, silane coupling agent, granulation obtains medicine fertilizer kernel after 30min is stirred under the revolving speed of 1000r/min；
(3) polyvinyl alcohol, chitosan, silica, starch, cellulose, gelatin, water are weighed, water is divided into two parts, to
Starch is added in a copy of it water, stirs to get gelatinized starch under 60 DEG C of water bath conditions；Polyvinyl alcohol and another water are added
Into reaction kettle, chitosan is added to 90 DEG C in warming while stirring thereto, is cooled to 80 DEG C, insulation reaction 2h while stirring,
Silica is added, and is warming up to 90 DEG C, insulation reaction 1h adds gelatinized starch, cellulose and gelatin after being cooled to 60 DEG C
Enter in reaction kettle, is sufficiently stirred to obtain film forming agent；
(4) medicine fertilizer kernel is added in rotary drum coated envelope machine, film forming agent is sprayed into medicine fertilizer core surface and is formed
Coating.
Embodiment three
A kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose, the raw material including following parts by weight disclosed in the present embodiment：
Cake fertilizer 60, a- amylase 2, potassium dihydrogen phosphate 14.8, water soluble phosphorous fertilizer 8, urea 15, ferrous sulfate 4, zinc sulfate 0.6, copper sulphate
0.95, sodium ascorbate 1, silester 9, silane coupling agent 3,8 parts of Chinese herbal medicine extract；The coating is by following parts by weight
Raw material is made including polyvinyl alcohol 9, chitosan 2.2, silica 0.5, starch 4, cellulose 1, gelatin 3.5, water 72；In described
Herb extracts are 8 by Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash in mass ratio:1.5:3:9:6 are prepared.
The slow releasing medicinal fertilizer is prepared by the following method：
(1) Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash are weighed according to the ratio, and broken be placed in 8% ethanol solution is soaked
2h is steeped, then ultrasonic extraction obtains leaching liquor, heats leaching liquor, keeps temperature 60 C or more to make ethyl alcohol volatilization completely, then drops
Temperature is to 40 DEG C hereinafter, low-temperature evaporation obtains Chinese medical extract；
(2) weigh according to the ratio cake fertilizer, potassium dihydrogen phosphate, water soluble phosphorous fertilizer, urea, ferrous sulfate, zinc sulfate, copper sulphate,
Sodium ascorbate, a- amylase and Chinese medical extract, mixing, broken, 30 meshes excessively obtain powder, silicic acid second are added into powder
Ester, silane coupling agent, granulation obtains medicine fertilizer kernel after 30min is stirred under the revolving speed of 1200r/min；
(3) polyvinyl alcohol, chitosan, silica, starch, cellulose, gelatin, water are weighed, water is divided into two parts, to
Starch is added in a copy of it water, stirs to get gelatinized starch under 60 DEG C of water bath conditions；Polyvinyl alcohol and another water are added
Into reaction kettle, chitosan is added to 90 DEG C in warming while stirring thereto, is cooled to 80 DEG C, insulation reaction 2h while stirring,
Silica is added, and is warming up to 90 DEG C, insulation reaction 1h adds gelatinized starch, cellulose and gelatin after being cooled to 60 DEG C
Enter in reaction kettle, is sufficiently stirred to obtain film forming agent；
(4) medicine fertilizer kernel is added in rotary drum coated envelope machine, film forming agent is sprayed into medicine fertilizer core surface and is formed
Coating.
Technical solution of the present invention is exemplarily described invention above in conjunction with specific embodiment, it is clear that present invention tool
Body realization is not subject to the restrictions described above, as long as using the various non-realities that the inventive concept and technical scheme of the present invention carry out
Matter improve, or it is not improved the conception and technical scheme of invention are directly applied into other occasions, in guarantor of the invention
Within the scope of shield.
Claims (6)
1. a kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose, which is characterized in that including medicine fertilizer kernel and coating, the medicine fertilizer
Kernel is made of raw material from the following weight：Cake fertilizer 50-60, a- amylase 2-4, potassium dihydrogen phosphate 10-15, water soluble phosphorous fertilizer 8-
12, urea 15-18, ferrous sulfate 2-4, zinc sulfate 0.5-1, copper sulphate 0.4-1, sodium ascorbate 1-3, silester 9-15,
8-11 parts of silane coupling agent 3-5, Chinese herbal medicine extract, the Chinese herbal medicine extract is by Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the Qin
Skin is prepared；The coating is made of raw material from the following weight including polyvinyl alcohol 9-13, chitosan 1.5-2.2, dioxy
SiClx 0.5-0.8, starch 2-4, cellulose 1-3, gelatin 3-6, water 71-83.
2. a kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose according to claim 1, which is characterized in that including medicine fertilizer kernel
And coating, the medicine fertilizer kernel are made of raw material from the following weight：It is cake fertilizer 55, a- amylase 3, potassium dihydrogen phosphate 12, water-soluble
It is property phosphate fertilizer 10, urea 16, ferrous sulfate 3, zinc sulfate 0.7, copper sulphate 0.7, sodium ascorbate 2, silester 13, silane coupled
9.5 parts of agent 4, Chinese herbal medicine extract, the Chinese herbal medicine extract are prepared by Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash；
The coating is made of raw material from the following weight including polyvinyl alcohol 11, chitosan 1.8, silica 0.6, starch 3, fiber
Plain 2, gelatin 4.6, water 77.
3. a kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose according to claim 1 or 2, which is characterized in that
Prepare the Chinese prickly ash of Chinese herbal medicine extract, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash mass ratio be 4-8:1-6:1-3:3-9:6-11.
4. a kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose according to claim 3, which is characterized in that the flower
Green pepper, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash mass ratio be 6:4:2:7:8.
5. a kind of slow releasing medicinal fertilizer for preventing and treating strawberry sclerotiniose according to claim 1, which is characterized in that by following step
Suddenly it is prepared：
(1) Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash are weighed, broken be placed in the ethanol solution of 8-13% impregnates 2h, so
Ultrasonic extraction obtains leaching liquor afterwards, heats leaching liquor, is kept for 60-70 DEG C of temperature volatilize completely to ethyl alcohol, is then cooled to 40 DEG C
Hereinafter, low-temperature evaporation obtains Chinese medical extract；
(2) cake fertilizer, potassium dihydrogen phosphate, water soluble phosphorous fertilizer, urea, ferrous sulfate, zinc sulfate, copper sulphate, anti-bad is weighed according to the ratio
Hematic acid sodium, a- amylase and Chinese medical extract, mixing, it is broken, cross 30 meshes and obtain powder, be added into powder silester,
Silane coupling agent, granulation obtains medicine fertilizer kernel after 30min is stirred under the revolving speed of 1000-1200r/min；
(3) polyvinyl alcohol, chitosan, silica, starch, cellulose, gelatin, water are weighed according to the ratio, and water is divided into two parts,
Starch is added in a water thereto, stirs to get gelatinized starch under 50-60 DEG C of water bath condition；By polyvinyl alcohol and another water
It is added in reaction kettle, chitosan is added to 90 DEG C in warming while stirring thereto, is cooled to 80 DEG C while stirring, heat preservation is anti-
2h is answered, silica is added, and is warming up to 90 DEG C, insulation reaction 1h, by gelatinized starch, cellulose and bright after being cooled to 60 DEG C
Glue is added in reaction kettle, is sufficiently stirred to obtain film forming agent；
(4) medicine fertilizer kernel is added in rotary drum coated envelope machine, film forming agent is sprayed into medicine fertilizer core surface and forms coating.
6. it is as described in any one in claim 1-5 a kind of for preventing and treating the preparation method of the slow releasing medicinal fertilizer of strawberry sclerotiniose,
It is characterized in that, includes the following steps：
(1) Chinese prickly ash, Cortex Phellodendri, Folium Meliae, silk tree leaf, the bark of ash are weighed, broken be placed in the ethanol solution of 8-13% impregnates 2h, so
Ultrasonic extraction obtains leaching liquor afterwards, heats leaching liquor, is kept for 60-70 DEG C of temperature volatilize completely to ethyl alcohol, is then cooled to 40 DEG C
Hereinafter, low-temperature evaporation obtains Chinese medical extract；
(2) cake fertilizer, potassium dihydrogen phosphate, water soluble phosphorous fertilizer, urea, ferrous sulfate, zinc sulfate, copper sulphate, anti-bad is weighed according to the ratio
Hematic acid sodium, a- amylase and Chinese medical extract, mixing, it is broken, cross 30 meshes and obtain powder, be added into powder silester,
Silane coupling agent, granulation obtains medicine fertilizer kernel after 30min is stirred under the revolving speed of 1000-1200r/min；
(3) polyvinyl alcohol, chitosan, silica, starch, cellulose, gelatin, water are weighed according to the ratio, and water is divided into two parts,
Starch is added in a water thereto, stirs to get gelatinized starch under 50-60 DEG C of water bath condition；By polyvinyl alcohol and another water
It is added in reaction kettle, chitosan is added to 90 DEG C in warming while stirring thereto, is cooled to 80 DEG C while stirring, heat preservation is anti-
2h is answered, silica is added, and is warming up to 90 DEG C, insulation reaction 1h, by gelatinized starch, cellulose and bright after being cooled to 60 DEG C
Glue is added in reaction kettle, is sufficiently stirred to obtain film forming agent；
(4) medicine fertilizer kernel is added in rotary drum coated envelope machine, film forming agent is sprayed into medicine fertilizer core surface and forms coating.
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Cited By (2)
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| CN110037058A (en) * | 2019-04-04 | 2019-07-23 | 金华市飞凌生物科技有限公司 | Cause the compound of insect muscle cramp |
| CN111689811A (en) * | 2020-06-29 | 2020-09-22 | 砀山县绿源生态肥料有限公司 | Preparation method of slow-release photosynthesis-promoting compound fertilizer |
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