CN108675865A - A kind of the long-acting drug fertilizer and preparation method of prevention grey mould fruit rot of strawberry - Google Patents
A kind of the long-acting drug fertilizer and preparation method of prevention grey mould fruit rot of strawberry Download PDFInfo
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- CN108675865A CN108675865A CN201810674750.5A CN201810674750A CN108675865A CN 108675865 A CN108675865 A CN 108675865A CN 201810674750 A CN201810674750 A CN 201810674750A CN 108675865 A CN108675865 A CN 108675865A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/04—Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/48—Zingiberaceae [Ginger family], e.g. ginger or galangal
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
-
- 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
-
- 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 invention discloses a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry, include the raw material of following parts by weight：Cake fertilizer 50 60, urea 15 18, water soluble phosphorous fertilizer 25, citrate acid soluble phosphatic fertilizer 58, potash fertilizer 15 20, Chinese herbal medicine extract 58, starch 15, swelling perlite powder 5 11, ureaformaldehyde 35, silane coupling agent 13, dispersant 24, water 8 15.The invention also discloses the preparation methods of medicine fertilizer.It develops immunity to drugs it is an advantage of the current invention that the use of bactericide avoids strain, improves control effect；Part nitrogenous fertilizer, potash fertilizer and effective agent are wrapped in using starch and swelling perlite powder as in the membrane material of major ingredient, through the micropore of swelling perlite powder, wrapped fertilizer and medicament slow release, up to keeping fertilizer efficiency and drug effect in 47 months time；Single-dose application achieves that the long-acting fertilizer since the strawberry florescence and sterilization before the strawberry florescence, reduces peasant's labour number and intensity.
Description
Technical field
The invention belongs to Crop fertilizer technical fields, and in particular to a kind of the long-acting drug fertilizer and system of prevention grey mould fruit rot of strawberry
Preparation Method.
Background technology
Grey mould fruit rot of strawberry is the important disease in current strawberry production, and there is generation in each cultivated strawberry area in China.Grey mold
Disease often results in flower and fruit rot, and the diseased fruit rate of susceptible variety is 30% or so, serious reachable 60% or more, to grass
The yield of the certain kind of berries, qualitative effects are very big.
Grey mould fruit rot of strawberry is fallen ill mostly since the florescence, germ initially from the flower lost will be opened or more weak position is infected,
So that flower is rotted in light brown necrosis, generates the mould layer of grey.Leaf is mostly invaded from base portion strong yellow limb edge, forms V-arrangement brown spot, or
It is infected along the position that petal is fallen, forms nearly circular ring shape necrotic plaque, there is unconspicuous wheel line, and raw sparse grey mold thereon.Fruit
It catches an illness in fact mostly since remaining petal or close, contact ground position, it also can be from early stage and the invalid position for organizing to contact
Intrusion is in just the necrosis of water stain shape taupe, then darkens, fruit rot, surface generates the mould layer of dense grey.
Currently, the prevention of grey mould fruit rot of strawberry mostly uses chemical pesticide fungicide, a large amount of chemical agents use so that germ
Strain develops immunity to drugs, and control effect is bad.On the other hand, the chemical agent duration is short, and what gray mold was grown in strawberry
Each period is possible to fall ill, and needs multiple dispenser, cause peasant labour often, intensity it is big.
Invention content
Technical problem to be solved by the present invention lies in：Using the ineffective of Agro-chemicals control gray mold, and need
Multiple dispenser increases labor intensity.
The present invention solves above-mentioned technical problem using following technical scheme：
A kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry, includes the raw material of following parts by weight：Cake fertilizer 50-60, urea 15-
18, water soluble phosphorous fertilizer 2-5, citrate acid soluble phosphatic fertilizer 5-8, potash fertilizer 15-20, Chinese herbal medicine extract 5-8, starch 1-5, swelling perlite powder
5-11, ureaformaldehyde 3-5, silane coupling agent 1-3, dispersant 2-4, water 8-15.
Preferably, the long-acting drug fertilizer of a kind of prevention grey mould fruit rot of strawberry of the present invention, is prepared using following methods：
(1) it takes the cake fertilizer of 1/3-1/2, urea, potash fertilizer, Chinese herbal medicine extract mixing, be placed in airslide disintegrating mill after crushing
It is granulated；
(2) remaining cake fertilizer, urea, potash fertilizer and Chinese herbal medicine extract and whole water soluble phosphorous fertilizers, citrate acid soluble phosphatic fertilizer, mixing are taken
It is placed in airslide disintegrating mill and is crushed, obtain powder；
(3) starch is added to the water, the ultrasonic disperse under 60-65 DEG C of water bath condition, it is precious that expansion is then added thereto
Pearl rock powder, ureaformaldehyde, silane coupling agent and dispersant continue ultrasonic disperse, while being warming up to 80 DEG C, and heating rate is 2 DEG C/
Min, then 2h is kept the temperature, obtain film forming agent；
(4) particle that step (1) obtains is added in rolling coating pan, temperature is controlled at 60-70 DEG C, by step (2)
Obtained film forming agent sprays to particle surface, cooling；
(5) powder that step (2) obtains is uniformly mixed with the coated granule that step (4) obtains, obtains finished medicines fertilizer.
Preferably, the long-acting drug fertilizer of a kind of prevention grey mould fruit rot of strawberry of the present invention, the Chinese herbal medicine extract is by ending
Leaf, purple perilla, Afriocan agapanthus, ginger, garlic, peppermint press 5-9:20-25:10-13:8-12:13-17:It is carried after the ratio mixing of 7-11
It takes.
Preferably, the long-acting drug fertilizer of a kind of prevention grey mould fruit rot of strawberry of the present invention, the system of the Chinese herbal medicine extract
Preparation Method is：By folium artemisiae argyi, purple perilla, Afriocan agapanthus, ginger, garlic, dried peppermint leaf after broken in the water of 1-1.5 times of parts by weight of addition, leaching
Defibrination after bubble 2h, gained slurry is freeze-dried.
Preferably, a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry of the present invention, the water-soluble pesticide-fertilizer were attached most importance to
Calcium phosphate and/or calcium superphosphate.
Preferably, the long-acting drug fertilizer of a kind of prevention grey mould fruit rot of strawberry of the present invention, the citrate acid soluble phosphatic fertilizer is calcium and magnesium
Phosphate fertilizer and/or defluorinated phosphate.
Preferably, the long-acting drug fertilizer of a kind of prevention grey mould fruit rot of strawberry of the present invention, the dispersant is sulfomethylated lignin
Appointing in hydrochlorate, polycarboxylate, alkyl benzene sulfonate calcium salt, alkyl phenol polyoxyethylene ether, glycerin fatty, polyoxyethylene carboxylate
Meaning is a kind of.
The present invention also provides a kind of preparation methods of the long-acting drug fertilizer of above-mentioned prevention grey mould fruit rot of strawberry, including following step
Suddenly：
(1) it takes the cake fertilizer of 1/3-1/2, urea, potash fertilizer, Chinese herbal medicine extract mixing, be placed in airslide disintegrating mill after crushing
It is granulated；
(2) remaining cake fertilizer, urea, potash fertilizer and Chinese herbal medicine extract and whole water soluble phosphorous fertilizers, citrate acid soluble phosphatic fertilizer, mixing are taken
It is placed in airslide disintegrating mill and is crushed, obtain powder；
(3) starch is added to the water, the ultrasonic disperse under 60-65 DEG C of water bath condition, it is precious that expansion is then added thereto
Pearl rock powder, ureaformaldehyde, silane coupling agent and dispersant continue ultrasonic disperse, while being warming up to 80 DEG C, and heating rate is 2 DEG C/
Min, then 2h is kept the temperature, obtain film forming agent；
(4) particle that step (1) obtains is added in rolling coating pan, temperature is controlled at 60-70 DEG C, by step (2)
Obtained film forming agent sprays to particle surface, cooling；
(5) powder that step (2) obtains is uniformly mixed with the coated granule that step (4) obtains, obtains finished medicines fertilizer.
The technology of the present invention advantageous effect：
Technical solution of the present invention is coordinated using Chinese medical extract and nitrogen, phosphorus, potash fertilizer, and macroelement fertilizer is being provided for strawberry
While provide traditional Chinese medicine bactericide to prevent the generation of gray mold, the use of bactericide avoids strain and develops immunity to drugs,
Improve control effect；Part nitrogenous fertilizer, potash fertilizer and effective agent are wrapped in using starch and swelling perlite powder as the membrane material of major ingredient
Interior, through the micropore of swelling perlite powder, wrapped fertilizer and medicament slow release are protected up in 4-7 months time
Hold fertilizer efficiency and drug effect；Single-dose application achieves that the long-acting fertilizer since the strawberry florescence and sterilization before the strawberry florescence, reduces
Peasant's labour number and intensity.
Specific implementation mode
For ease of those skilled in the art understand that technical solution of the present invention, in conjunction with specific embodiment to the technology of the present invention side
Case is described further.
Embodiment one
The present embodiment provides a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry, include the raw material of following parts by weight：Cake fertilizer 50,
Urea 17, double superhosphate 5, defluorinated phosphate 8, potassium dihydrogen phosphate 15, Chinese herbal medicine extract 5, starch 2, swelling perlite powder 11,
Silane coupling agent 2, ureaformaldehyde 5, glycerin fatty 3, water 13.
The preparation method of medicine fertilizer is as follows：
(1) Chinese medical extract is prepared：In mass ratio 5:22:13:8:17:9 weigh fresh folium artemisiae argyi, purple perilla, Afriocan agapanthus, life
Ginger, garlic clove, dried peppermint leaf are added in the water of identical weight part after being crushed, impregnate defibrination after 2h, are by the freeze-drying of gained slurry
.
(2) 25 parts of cake fertilizer, 8.5 parts of urea, 5 parts of potassium dihydrogen phosphates, 2.5 parts of Chinese herbal medicine extracts, mixing, merging air-flow are taken
It is granulated after being crushed in pulverizer；
(3) take remaining cake fertilizer, urea, potassium dihydrogen phosphate, Chinese herbal medicine extract and whole double superhosphate, defluorinated phosphate mixed
Conjunction is placed in airslide disintegrating mill and is crushed, and obtains powder；
(4) it weighs starch to be added to the water, then expanded pearlite is added in the ultrasonic disperse under 60 DEG C of water bath condition thereto
Rock powder, ureaformaldehyde, silane coupling agent and dispersant continue ultrasonic disperse, while being warming up to 80 DEG C, and heating rate is 2 DEG C/min,
2h is kept the temperature again, obtains film forming agent；
(5) particle that step (2) obtains is added in rolling coating pan, temperature is controlled at 70 DEG C, and film forming agent is sprayed
It is cooling to particle surface；
(6) powder that step (3) obtains is uniformly mixed with the coated granule that step (4) obtains, obtains finished medicines fertilizer.
The medicine fertilizer before strawberry blooms with being sprinkled into strawberry.Cake fertilizer, urea, double superhosphate, the phosphorus not being wrapped in membrane material
Acid dihydride potassium and Chinese herbal medicine extract rapidly can provide fertilizer for strawberry and kill gray mold germ fauna.Defluorinated phosphate fertilizer efficiency compared with
Slowly, and using swelling perlite powder and starch as the membrane material of main material there is abundant micropore, cake fertilizer, the urine being wrapped in membrane material
Element, potassium dihydrogen phosphate, Chinese herbal medicine extract can slowly discharge active ingredient and extend fertilizer efficiency and drug effect.
Embodiment two
The present embodiment provides a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry, include the raw material of following parts by weight：Cake fertilizer 60,
Urea 15, calcium superphosphate 2, calcium magnesium phosphate 5, potassium sulfate 20, Chinese herbal medicine extract 7, starch 5, swelling perlite powder 5, silane are even
Join agent 1, ureaformaldehyde 3, alkyl benzene sulfonate calcium salt 2, water 8.
The preparation method of medicine fertilizer is as follows：
(1) Chinese medical extract is prepared：In mass ratio 9:20:10:10:13:11 weigh fresh folium artemisiae argyi, purple perilla, Afriocan agapanthus,
Ginger, garlic clove, dried peppermint leaf are added in the water of 1.5 times of parts by weight after being crushed, impregnate defibrination after 2h, gained slurry is freeze-dried
To obtain the final product.
(2) 20 parts of cake fertilizer, 5 parts of urea, 9 parts of potassium sulfates, 3 parts of Chinese herbal medicine extracts, mixing is taken to be placed in airslide disintegrating mill
It is granulated after crushing；
(3) remaining cake fertilizer, urea, potassium sulfate, Chinese herbal medicine extract and whole calcium superphosphate, calcium magnesium phosphate mixing postposition are taken
In being crushed in airslide disintegrating mill, powder is obtained；
(4) it weighs starch to be added to the water, then expanded pearlite is added in the ultrasonic disperse under 65 DEG C of water bath condition thereto
Rock powder, ureaformaldehyde, silane coupling agent and dispersant continue ultrasonic disperse, while being warming up to 80 DEG C, and heating rate is 2 DEG C/min,
2h is kept the temperature again, obtains film forming agent；
(5) particle that step (2) obtains is added in rolling coating pan, temperature is controlled at 60 DEG C, and film forming agent is sprayed
It is cooling to particle surface；
(6) powder that step (3) obtains is uniformly mixed with the coated granule that step (4) obtains, obtains finished medicines fertilizer.
Embodiment three
The present embodiment provides a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry, include the raw material of following parts by weight：Cake fertilizer 55,
Urea 18, calcium superphosphate 3, defluorinated phosphate and calcium magnesium phosphate mixture 7, potassium nitrate 18, Chinese herbal medicine extract 8, starch 4, expansion
Crushed crude pearlite 9, silane coupling agent 3, ureaformaldehyde 4, polyoxyethylene carboxylate 4, water 15.
The preparation method of medicine fertilizer is as follows：
(1) Chinese medical extract is prepared：In mass ratio 7:25:11:12:15:7 weigh fresh folium artemisiae argyi, purple perilla, Afriocan agapanthus,
Ginger, garlic clove, dried peppermint leaf are added in the water of 1.5 times of parts by weight after being crushed, impregnate defibrination after 2h, gained slurry is freeze-dried
To obtain the final product.
(2) 19 parts of cake fertilizer, 5 parts of urea, 7 parts of potassium nitrate, 4 parts of Chinese herbal medicine extracts, mixing is taken to be placed in airslide disintegrating mill
It is granulated after crushing；
(3) remaining cake fertilizer, urea, potassium nitrate, Chinese herbal medicine extract and whole calcium superphosphate, calcium magnesium phosphate mixing postposition are taken
In being crushed in airslide disintegrating mill, powder is obtained；
(4) it weighs starch to be added to the water, then expanded pearlite is added in the ultrasonic disperse under 60 DEG C of water bath condition thereto
Rock powder, ureaformaldehyde, silane coupling agent and dispersant continue ultrasonic disperse, while being warming up to 80 DEG C, and heating rate is 2 DEG C/min,
2h is kept the temperature again, obtains film forming agent；
(5) particle that step (2) obtains is added in rolling coating pan, temperature is controlled at 65 DEG C, and film forming agent is sprayed
It is cooling to particle surface；
(6) powder that step (3) obtains is uniformly mixed with the coated granule that step (4) obtains, obtains finished medicines fertilizer.
Example IV
The present embodiment provides a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry, include the raw material of following parts by weight：Cake fertilizer 60,
Urea 18, calcium superphosphate and double superhosphate mixture 5, defluorinated phosphate 5, potassium dihydrogen phosphate 18, Chinese herbal medicine extract 6, starch
3, swelling perlite powder 8, silane coupling agent 2, ureaformaldehyde 3, lignosulfonates 3, water 14.
The preparation method of medicine fertilizer is as follows：
(1) Chinese medical extract is prepared：In mass ratio 6:21:10:11:15:11 weigh fresh folium artemisiae argyi, purple perilla, Afriocan agapanthus,
Ginger, garlic clove, dried peppermint leaf are added in the water of 1.25 times of parts by weight after being crushed, impregnate defibrination after 2h, gained slurry is freeze-dried
To obtain the final product.
(2) 28 parts of cake fertilizer, 6 parts of urea, 8 parts of potassium dihydrogen phosphates, 2.5 parts of Chinese herbal medicine extracts, mixing, merging air-flow powder are taken
It is granulated after being crushed in broken machine；
(3) remaining cake fertilizer, urea, potassium nitrate, Chinese herbal medicine extract and whole calcium superphosphate, calcium magnesium phosphate mixing postposition are taken
In being crushed in airslide disintegrating mill, powder is obtained；
(4) it weighs starch to be added to the water, then expanded pearlite is added in the ultrasonic disperse under 65 DEG C of water bath condition thereto
Rock powder, ureaformaldehyde, silane coupling agent and dispersant continue ultrasonic disperse, while being warming up to 80 DEG C, and heating rate is 2 DEG C/min,
2h is kept the temperature again, obtains film forming agent；
(5) particle that step (2) obtains is added in rolling coating pan, temperature is controlled at 65 DEG C, and film forming agent is sprayed
It is cooling to particle surface；
(6) powder that step (3) obtains is uniformly mixed with the coated granule that step (4) obtains, obtains finished medicines fertilizer.
Technical solution of the present invention is exemplarily described invention above in conjunction with specific embodiment, it is clear that the present invention has
Body realization is not subject to the restrictions described above, as long as using the various non-realities of inventive concept and technical scheme of the present invention progress
Matter is improved, or it is not improved the design of invention and technical solution are directly applied into other occasions, the equal guarantors in the present invention
Within the scope of shield.
Claims (8)
1. a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry, which is characterized in that include the raw material of following parts by weight：Cake fertilizer 50-60,
Urea 15-18, water soluble phosphorous fertilizer 2-5, citrate acid soluble phosphatic fertilizer 5-8, potash fertilizer 15-20, Chinese herbal medicine extract 5-8, starch 1-5, expansion
Crushed crude pearlite 5-11, ureaformaldehyde 3-5, silane coupling agent 1-3, dispersant 2-4, water 8-15.
2. a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry according to claim 1, which is characterized in that use following methods
It is prepared：
(1) cake fertilizer, urea, potash fertilizer, the Chinese herbal medicine extract of 1/3-1/2 is taken to mix, be granulated after crushing in merging airslide disintegrating mill；
(2) remaining cake fertilizer, urea, potash fertilizer and Chinese herbal medicine extract and whole water soluble phosphorous fertilizers, citrate acid soluble phosphatic fertilizer are taken, postposition is mixed
In being crushed in airslide disintegrating mill, powder is obtained；
(3) starch is added to the water, then expanded perlite is added in the ultrasonic disperse under 60-65 DEG C of water bath condition thereto
Powder, ureaformaldehyde, silane coupling agent and dispersant continue ultrasonic disperse, while being warming up to 80 DEG C, and heating rate is 2 DEG C/min, then
2h is kept the temperature, film forming agent is obtained；
(4) particle that step (1) obtains is added in rolling coating pan, temperature is controlled at 60-70 DEG C, and step (2) is obtained
Film forming agent spray to particle surface, it is cooling；
(5) powder that step (2) obtains is uniformly mixed with the coated granule that step (4) obtains, obtains finished medicines fertilizer.
3. a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry according to claim 1 or 2, which is characterized in that the medium-height grass
Medicament extract is by folium artemisiae argyi, purple perilla, Afriocan agapanthus, ginger, garlic, peppermint 5-9 in mass ratio:20-25:10-13:8-12:13-17:
It is extracted after the ratio mixing of 7-11.
4. a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry according to claim 3, which is characterized in that the Chinese herbal medicine carries
The preparation method of object is taken to be：Folium artemisiae argyi, purple perilla, Afriocan agapanthus, ginger, garlic, peppermint are added to the water of 1-1.5 times of parts by weight after broken
In, defibrination after 2h is impregnated, gained slurry is freeze-dried.
5. a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry according to claim 1 or 2, which is characterized in that described water-soluble
Property medicine fertilizer be double superhosphate and/or calcium superphosphate.
6. a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry according to claim 1 or 2, which is characterized in that the Chinese holly is molten
Property phosphate fertilizer be calcium magnesium phosphate and/or defluorinated phosphate.
7. a kind of long-acting drug fertilizer of prevention grey mould fruit rot of strawberry according to claim 1 or 2, which is characterized in that the dispersion
Agent is lignosulfonates, polycarboxylate, alkyl benzene sulfonate calcium salt, alkyl phenol polyoxyethylene ether, glycerin fatty, aliphatic acid polyoxy
Any one in vinyl acetate.
8. such as a kind of preparation method of the long-acting drug fertilizer of prevention grey mould fruit rot of strawberry of claim 1-7 any one of them, feature
It is, includes the following steps：
(1) cake fertilizer, urea, potash fertilizer, the Chinese herbal medicine extract of 1/3-1/2 is taken to mix, be granulated after crushing in merging airslide disintegrating mill；
(2) remaining cake fertilizer, urea, potash fertilizer and Chinese herbal medicine extract and whole water soluble phosphorous fertilizers, citrate acid soluble phosphatic fertilizer are taken, postposition is mixed
In being crushed in airslide disintegrating mill, powder is obtained；
(3) starch is added to the water, then expanded perlite is added in the ultrasonic disperse under 60-65 DEG C of water bath condition thereto
Powder, ureaformaldehyde, silane coupling agent and dispersant continue ultrasonic disperse, while being warming up to 80 DEG C, and heating rate is 2 DEG C/min, then
2h is kept the temperature, film forming agent is obtained；
(4) particle that step (1) obtains is added in rolling coating pan, temperature is controlled at 60-70 DEG C, and step (2) is obtained
Film forming agent spray to particle surface, it is cooling；
(5) powder that step (2) obtains is uniformly mixed with the coated granule that step (4) obtains, obtains finished medicines fertilizer.
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Application publication date: 20181019 |