CN107673865A - Slow-release fertilizer of podocarpus and preparation method thereof - Google Patents
Slow-release fertilizer of podocarpus and preparation method thereof Download PDFInfo
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- CN107673865A CN107673865A CN201711066325.XA CN201711066325A CN107673865A CN 107673865 A CN107673865 A CN 107673865A CN 201711066325 A CN201711066325 A CN 201711066325A CN 107673865 A CN107673865 A CN 107673865A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
-
- 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
Abstract
The present invention relates to a kind of slow-release fertilizer of podocarpus and preparation method thereof, it is characterised in that the raw material including following parts by weight is made：70~80 parts of the barnyard manure of cattle and sheep circle；50~60 parts of urea；8~10 parts of bone meal；6~10 parts of ammonium humate；10~15 parts of Chicken dung；10~15 parts of calcium magnesium phosphate；12~18 parts of ferrous sulfate；15~20 parts of sustained release agent；2~4 parts of alcohol effluent；1~3 part of magnesium nitrate；2~4 parts of calcium nitrate；1.8~2.2 parts of trace element；Precious 0.2~1 part of missible oil is killed 23% more.The nutrient uptake feature that the slow-release fertilizer of podocarpus produced by the invention grows according to podocarpus is prepared, produce the slow-release fertilizer of obtained podocarpus, it is nutritious, balanced, rich in various nutrients and middle trace element, nutrient needed for supplement podocarpus that can be fast long-acting, and the nutritional ingredient in fertilizer can slowly discharge, fertilizer efficiency is permanent, the features such as being advantageous to improve the utilization rate of fertilizer.
Description
Technical field
The present invention relates to a kind of slow-release fertilizer field, and in particular to a kind of slow-release fertilizer of podocarpus and preparation method thereof.
Background technology
Podocarpus（Scientific name：Podocarpus macrophyllus(Thunb.) D. Don）, alias：Native China fir, podocarpus
Section, the evergreen needle arbor of Podocarpus, originate in Jiangsu Province, China, Zhejiang, Fujian, Anhui, Jiangxi, Hunan, Sichuan, Yunnan, Guizhou,
The provinces and regions such as Guangxi, Guangdong, cultivate and view and admire tree in flower garden.Pearl podocarpus, it is basin most precious in Podocarpaceae, Podocarpus
Scape seeds.The old stake of shrine mountain delicacy pearl podocarpus in Guangxi Gold show county, the vigorous forceful grace of tree performance, blade is as a cloudlet of the sky
Coloured silk, bark is rubescent, thin compared with Yuanbaoshan Power Station.Characteristic feature is：Leaf color is more black, and the short circle of leaf is a little also more slightly smaller than Yuanbaoshan Power Station.But
Luxuriant, formation cloud sheet is not easy, tender tree is not easy to form chrysanthemum head；The pearl podocarpus characteristic feature of melt water Yuanbaoshan Power Station is：Leaf color compared with
Viridescent, point more slightly bigger than the leaf of holy Tangshan, bark are thicker.Pearl podocarpus has many mutation, is mainly manifested on leaf,
Maximum variation is red bud podocarpus, during annual spring and autumn germination, bud head be it is red, later can slowly greening, be generally present in old
It is more stable on tree.
Slow-release fertilizer, so-called " release " refer to effective form that nutrient can be absorbed directly by chemical mass transfer into plant
Process (such as dissolve, hydrolyze, degraded);" sustained release " refers to that chemical substance nutrient release rate applies much smaller than Quick-dissolving fertilizer
It is changed into the rate of release of plant effective state nutrient after soil;" controlled release " refers to make nutrients release according to setting with various regulatory mechanisms
The rule that fixed release mode (release rate and release time) absorbs nutrient with crop is consistent.Therefore, biological or chemical acts on
Under decomposable organonitrogen compound (such as ureaformaldehyde UFs) fertilizer be commonly known as slow-release fertilizer (SRFs), and to biological and chemical
The insensitive coated fertilizers of factor such as effect are commonly known as Controlled Release Fertilizer (CRFs).
Because slow-release fertilizer has fertilizer amount reduction, utilization rate improves, using the advantages that convenient, saving of labor is safe, at present, sustained release
Fertilizer has turned into the direction of countries in the world fertilizer industry sustainable development.
We retrieve the fertilizer document on podocarpus as follows：
1st, Chinese patent：Application publication number CN 107141114A, title：A kind of podocarpus organic biofertilizer, summary：This hair
It is bright to disclose a kind of podocarpus bio-organic fertilizer, using arhat pine stump powder and the mixture of pig manure, with reference to mud charcoal soil, vermiculite,
Chaff, organic matter decomposing inoculant, arhat pine stump powder are that the arhat pine stump for being dried the sixth of the twelve Earthly Branches with crushing machine crushes, organic matter decomposing inoculant
It is a kind of biological organic fertilizer zymophyte, arhat pine stump powder and pig manure mixture, at being dried after pig manure mixing arhat pine stump powder
Dry product is managed into, it is stand-by, mud charcoal soil, vermiculite, chaff, pig manure and arhat pine stump powder mixture, organic matter decomposing inoculant are mixed in proportion
Close uniformly, turn into podocarpus bio-organic fertilizer after compost, podocarpus transplanting seedling-slowing stage can be shortened, survival rate is improved, improve fertilizer
Effect releases root system harm of poison, promotes root system development healthy and strong.
2nd, Chinese patent：Application publication number CN 104926488A, title：A kind of preparation method of podocarpus Nutrition Soil, is plucked
Will：The present invention provides a kind of preparation method of podocarpus Nutrition Soil, is by the parts by weight of garden mould 50~60, the weight of peat 10~15
Part, the parts by weight of plant ash 3~5, the parts by weight of glycyrrhiza extract 3~5, the parts by weight of wheat bran 1~2, the parts by weight of rotted pig manure 1~2, white lime
Mix after 0.03~0. 05 parts by weight of crushed, sterilize, dry after obtain.The podocarpus Nutrition Soil of the present invention can provide sieve
Required whole nutrients during Chinese pine growth, need not additionally apply fertilizer in growth course, riotous growth, and leaf color is dark green.
The content of the invention
It is an object of the invention to provide a kind of slow-release fertilizer of podocarpus and preparation method thereof, the slow-release fertilizer of the podocarpus is
What the nutrient uptake feature grown according to podocarpus was prepared, it can be grown for podocarpus and required various nutrient elements are provided, and
Nutritional ingredient in fertilizer can slowly discharge, and fertilizer efficiency is permanent, be advantageous to improve the utilization rate of fertilizer, can prevent soil floor
Knot, and can promote the effect that podocarpus grows up healthy and sound.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of slow-release fertilizer of podocarpus, including the raw material of following parts by weight are made：
70~80 parts of the barnyard manure of cattle and sheep circle；50~60 parts of urea；8~10 parts of bone meal；6~10 parts of ammonium humate；Chicken dung 10
~15 parts；10~15 parts of calcium magnesium phosphate；12~18 parts of ferrous sulfate；15~20 parts of sustained release agent；2~4 parts of alcohol effluent；Magnesium nitrate
1~3 part；2~4 parts of calcium nitrate；1.8~2.2 parts of trace element；Precious 0.2~1 part of missible oil is killed 23% more.
Above-described preparation method includes following steps：
（1）It is in parts by weight that urea, magnesium nitrate, calcium nitrate, calcium magnesium phosphate, ferrous sulfate and trace element is well mixed,
Produce mixture A；
（2）The barnyard manure, bone meal and Chicken dung of cattle and sheep circle are well mixed in parts by weight, produce mixture B；
（3）By step（1）And step（2）Corresponding obtained mixture A and mixture B is sufficiently mixed, and is added more than 23%
Kill precious missible oil and ammonium humate to be sufficiently mixed uniformly, produce mixture C；
（4）Mixture C is crushed through gravity system, fully blending is uniform, then adds alcohol effluent in parts by weight, by turning
Drum comminution granulation is granulated, and particle is made, sustained release agent is wrapped in particle outer layer, is dried, is obtained product.
Above-described trace element and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:2:1:2:1:1.
Above-described sustained release agent includes polyvinyl alcohol, β~cyclodextrin and water；Described polyvinyl alcohol, β~cyclodextrin
Weight ratio with water is 2~3:4~5:75~85；Its preparation method is to be dissolved into polyvinyl alcohol in 65~75 DEG C of hot water,
Stirring 4~5 minutes, β~cyclodextrin stirring and dissolving is then added, be well mixed, that is, sustained release agent is made.
Above-described ammonium humate, ground with the peat containing humic acid more than 30%, lignite, weathered coal and gangue etc.
Into after powder, mixed together with ammoniacal liquor；Or also can be by being commercially available.
The preparation method of the barnyard manure of cattle and sheep circle described above is：Barnyard manure is taken out of into animal house accumulation, is compressed, is spread outside heap
Upper hack covering.Usual heap is wide about 2 meters, and heap is high 1.5~2 meters；Accumulation reaches semi-decomposed state in 2~3 months, reaches within 5~6 months
Decomposed state.The barnyard manure of obtained cattle and sheep circle have the characteristics that organic matter consumption less, obtained humus it is more.
Above-described bone meal is the bone meal of the domestic birds and animals such as pig, ox, sheep, horse, chicken, duck；Bone meal preparation method is：Will
The bone of the domestic birds and animals such as pig, ox, sheep, horse, chicken, duck dried with charcoal fire, to there is bone fragrance, places into pulverizer and carries out
Crush, gained bone meal is subjected to high-temperature sterilization, packs preservation.Bone meal contains abundant nutrient, except calcic 20%~30%,
It is also neat containing the trace elements such as Mg, K, Na, Ba, Co, Cu, Fe, Mo, Ni, Ti, V, Zn, Sr, amino acid classes outside phosphorus 8%~14%
(18 kinds) entirely；Bone meal is a kind of late effect property phosphate fertilizer well, and the P elements needed for growth can be provided for plant, improves fertilizer efficiency, and
And bone meal is added in fertilizer to improvement acid soil and promotes crop growth highly beneficial.
Above-described alcohol effluent is using sugar refinery saccharified residues-molasses as raw material, during fermenting and producing alcohol
Caused high concentrated organic wastewater, the solid content in molasses alcohol waste liquid（Dry after removing water）70% is organic matter, wherein having
Sugar, protein, amino acid, vitamin etc., residue 30% is ash content, contains the inorganic salts such as nitrogen, phosphorus, potassium, calcium, magnesium, potassium content
Height, traces of heavy metals are nontoxic, harmless；These are all animal and plant nutrients, are valuable resources.Molasses alcohol waste liquid nutrient
Constituent content is more, and viscosity is strong.Fertilizer is prepared after alcohol effluent is mixed with other raw materials, fertilizer balling ratio, increase system can be improved
Into fertilizer in organic matter and nutrient element content, make fertilizer efficiency more preferable.
Above-described ferrous sulfate, soil acidity or alkalinity is adjusted, promotes chlorophyll formation（Also known as iron fertilizer）, flowers and trees can be prevented and treated
The yellows because of caused by iron deficiency.It is the acid flowers and trees of the happiness especially indispensable element of sago cycas.Moreover, podocarpus is also to belong to happiness
Acid plant.Agricultural chemicals is agriculturally also acted as, scar scall, the rot of fruit tree of wheat smut, apple and pears can be prevented and treated；
Fertilizer also is used as, moss and the lichens of trunk can be removed.
Precious missible oil is killed above-described 23% can effectively kill the pest and disease damages such as dark brown Aspidiotus, red spider, new tree louse more；This
Product are available.
The present invention has the substantive distinguishing features of protrusion and significant progress relative to prior art：
1st, the present invention is that the nutrient uptake feature grown according to podocarpus is prepared, and can be grown for podocarpus a variety of needed for providing
Nutrient, and the nutritional ingredient in fertilizer can slowly discharge, and fertilizer efficiency is permanent, is advantageous to improve the utilization rate of fertilizer, both
The hardening soil can be prevented, and can promotes the effect that podocarpus grows up healthy and sound.
2nd, the medicinal powder used in the slow-release fertilizer of podocarpus prepared by the present invention is made of Celastrus angulatus and Chinese prickly ash, is a plant
Material resource insecticide, it is nuisanceless, there is good expelling parasite desinsection, by adding medicinal powder in fertilizer and then being re-applied to sieve
The subterranean pest-insect of podocarpus can be played a part of walking quickly and keeping away in Chinese loose ground and stomach kills.So as to improve the disease-resistant, pest-resistant of podocarpus
Evil ability.
3rd, the trace element that adds of the present invention contains the elements such as Fe, Mn, Zn, B, these micro- proportionings be all according to
What the nutrient uptake feature of podocarpus was prepared, required trace element can be provided for podocarpus, and present invention institute is homemade
Potassium polyphosphate is a kind of inorganic polymer fertilizer in itself, and the lasting potassium resource of required effect, phosphorus can not only be provided for podocarpus
Source；And magnesium nitrate, calcium nitrate and trace element are added to stirring reaction in potassium polyphosphate, potassium polyphosphate has chela
The effect of metal ion, it is possible to increase micro- activity in such as calcium, manganese, the Chelating state formed after reaction it is micro-
Secondary element is more easy to be absorbed by plants, and substantially increases the absorption efficiency of podocarpus centering trace element.The poly that the present invention adds
Potassium phosphate fertilizer efficiency micro- in will not only reducing activity micro- in can also improving, improve fertilizer efficiency.
4th, the sustained release agent used in the present invention is prepared by polyvinyl alcohol, β~cyclodextrin and water, β~ring used
Dextrin safety and environmental protection, environment will not be polluted.Sustained release agent used in the present invention will not pollute to ecological environment.Pass through
Last layer sustained release agent is wrapped up in manufactured fertiliser granulates outer layer, the slow releasing function of fertilizer can be improved, the nutrient in fertilizer is slowly released
Put, improve the utilization rate of fertilizer.The slow-release fertilizer of podocarpus prepared by the present invention, potassium polyphosphate used inherently have slow
The function of release, and by the way that sustained release agent is added in fertilizer, the rate of release of fertilizer can be controlled, substantially increase fertilizer
Utilization rate.
5th, the nutrient uptake feature that the slow-release fertilizer of podocarpus produced by the invention grows according to podocarpus is prepared, and production obtains
Podocarpus slow-release fertilizer, it is nutritious, balanced, rich in various nutrients and middle trace element, supplement arhat that can be fast long-acting
Nutrient needed for pine, and the nutritional ingredient in fertilizer can slowly discharge, and fertilizer efficiency is permanent, is advantageous to improve the utilization rate of fertilizer,
Play a part of increasing both production and income, improve podocarpus quality.
Embodiment
Below in conjunction with embodiments of the invention, the present invention is described in more detail.
Embodiment 1：
A kind of slow-release fertilizer of podocarpus, including the raw material of following parts by weight are made：
70 parts of the barnyard manure of cattle and sheep circle；50 parts of urea；8 parts of bone meal；6 parts of ammonium humate；10 parts of Chicken dung；10 parts of calcium magnesium phosphate；
12 parts of ferrous sulfate；15 parts of sustained release agent；2 parts of alcohol effluent；1 part of magnesium nitrate；2 parts of calcium nitrate；1.8 parts of trace element；Being killed 23% more
Precious 0.2 part of missible oil.
Above-described preparation method includes following steps：
（1）It is in parts by weight that urea, magnesium nitrate, calcium nitrate, calcium magnesium phosphate, ferrous sulfate and trace element is well mixed,
Produce mixture A；
（2）The barnyard manure, bone meal and Chicken dung of cattle and sheep circle are well mixed in parts by weight, produce mixture B；
（3）By step（1）And step（2）Corresponding obtained mixture A and mixture B is sufficiently mixed, and is added more than 23%
Kill precious missible oil and ammonium humate to be sufficiently mixed uniformly, produce mixture C；
（4）Mixture C is crushed through gravity system, fully blending is uniform, then adds alcohol effluent in parts by weight, by turning
Drum comminution granulation is granulated, and particle is made, sustained release agent is wrapped in particle outer layer, is dried, is obtained product.
Above-described trace element and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:2:1:2:1:1.
Above-described sustained release agent includes polyvinyl alcohol, β~cyclodextrin and water；Described polyvinyl alcohol, β~cyclodextrin
Weight ratio with water is 2~3:4~5:75~85；Its preparation method is to be dissolved into polyvinyl alcohol in 65~75 DEG C of hot water,
Stirring 4~5 minutes, β~cyclodextrin stirring and dissolving is then added, be well mixed, that is, sustained release agent is made.
Embodiment 2：
A kind of slow-release fertilizer of podocarpus, including the raw material of following parts by weight are made：
75 parts of the barnyard manure of cattle and sheep circle；55 parts of urea；9 parts of bone meal；8 parts of ammonium humate；12 parts of Chicken dung；13 parts of calcium magnesium phosphate；
15 parts of ferrous sulfate；17 parts of sustained release agent；3 parts of alcohol effluent；2 parts of magnesium nitrate；3 parts of calcium nitrate；2 parts of trace element；Treasured is killed 23% more
0.6 part of missible oil.
Above-described preparation method includes following steps：
（1）It is in parts by weight that urea, magnesium nitrate, calcium nitrate, calcium magnesium phosphate, ferrous sulfate and trace element is well mixed,
Produce mixture A；
（2）The barnyard manure, bone meal and Chicken dung of cattle and sheep circle are well mixed in parts by weight, produce mixture B；
（3）By step（1）And step（2）Corresponding obtained mixture A and mixture B is sufficiently mixed, and is added more than 23%
Kill precious missible oil and ammonium humate to be sufficiently mixed uniformly, produce mixture C；
（4）Mixture C is crushed through gravity system, fully blending is uniform, then adds alcohol effluent in parts by weight, by turning
Drum comminution granulation is granulated, and particle is made, sustained release agent is wrapped in particle outer layer, is dried, is obtained product.
Above-described trace element and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:2:1:2:1:1.
Above-described sustained release agent includes polyvinyl alcohol, β~cyclodextrin and water；Described polyvinyl alcohol, β~cyclodextrin
Weight ratio with water is 2~3:4~5:75~85；Its preparation method is to be dissolved into polyvinyl alcohol in 65~75 DEG C of hot water,
Stirring 4~5 minutes, β~cyclodextrin stirring and dissolving is then added, be well mixed, that is, sustained release agent is made.
Embodiment 3：
A kind of slow-release fertilizer of podocarpus, including the raw material of following parts by weight are made：
80 parts of the barnyard manure of cattle and sheep circle；60 parts of urea；10 parts of bone meal；10 parts of ammonium humate；15 parts of Chicken dung；Calcium magnesium phosphate 15
Part；18 parts of ferrous sulfate；20 parts of sustained release agent；4 parts of alcohol effluent；3 parts of magnesium nitrate；4 parts of calcium nitrate；2.2 parts of trace element；23%
Kill precious 1 part of missible oil more.
Above-described preparation method includes following steps：
（1）It is in parts by weight that urea, magnesium nitrate, calcium nitrate, calcium magnesium phosphate, ferrous sulfate and trace element is well mixed,
Produce mixture A；
（2）The barnyard manure, bone meal and Chicken dung of cattle and sheep circle are well mixed in parts by weight, produce mixture B；
（3）By step（1）And step（2）Corresponding obtained mixture A and mixture B is sufficiently mixed, and is added more than 23%
Kill precious missible oil and ammonium humate to be sufficiently mixed uniformly, produce mixture C；
（4）Mixture C is crushed through gravity system, fully blending is uniform, then adds alcohol effluent in parts by weight, by turning
Drum comminution granulation is granulated, and particle is made, sustained release agent is wrapped in particle outer layer, is dried, is obtained product.
Above-described trace element and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:2:1:2:1:1.
Above-described sustained release agent includes polyvinyl alcohol, β~cyclodextrin and water；Described polyvinyl alcohol, β~cyclodextrin
Weight ratio with water is 2~3:4~5:75~85；Its preparation method is to be dissolved into polyvinyl alcohol in 65~75 DEG C of hot water,
Stirring 4~5 minutes, β~cyclodextrin stirring and dissolving is then added, be well mixed, that is, sustained release agent is made.
Claims (4)
1. a kind of slow-release fertilizer of podocarpus, it is characterised in that the raw material including following parts by weight is made：
70~80 parts of the barnyard manure of cattle and sheep circle；50~60 parts of urea；8~10 parts of bone meal；6~10 parts of ammonium humate；Chicken dung 10
~15 parts；10~15 parts of calcium magnesium phosphate；12~18 parts of ferrous sulfate；15~20 parts of sustained release agent；2~4 parts of alcohol effluent；Magnesium nitrate
1~3 part；2~4 parts of calcium nitrate；1.8~2.2 parts of trace element；Precious 0.2~1 part of missible oil is killed 23% more.
2. the slow-release fertilizer of podocarpus according to claim 1, it is characterised in that described preparation method includes following
Step：
（1）It is in parts by weight that urea, magnesium nitrate, calcium nitrate, calcium magnesium phosphate, ferrous sulfate and trace element is well mixed,
Produce mixture A；
（2）The barnyard manure, bone meal and Chicken dung of cattle and sheep circle are well mixed in parts by weight, produce mixture B；
（3）By step（1）And step（2）Corresponding obtained mixture A and mixture B is sufficiently mixed, and is added more than 23%
Kill precious missible oil and ammonium humate to be sufficiently mixed uniformly, produce mixture C；
（4）Mixture C is crushed through gravity system, fully blending is uniform, then adds alcohol effluent in parts by weight, by turning
Drum comminution granulation is granulated, and particle is made, sustained release agent is wrapped in particle outer layer, is dried, is obtained product.
3. the slow-release fertilizer of podocarpus according to claim 1, it is characterised in that described trace element and weight ratio are
Fe:Mn:Zn:Cu:B:Mo=4:2:1:2:1:1。
4. the slow-release fertilizer of podocarpus according to claim 1, it is characterised in that described sustained release agent include polyvinyl alcohol,
β~cyclodextrin and water；The weight ratio of described polyvinyl alcohol, β~cyclodextrin and water is 2~3:4~5:75~85；It is prepared
Method stirs 4~5 minutes to be dissolved into polyvinyl alcohol in 65~75 DEG C of hot water, it is molten then to add β~cyclodextrin stirring
Solution, it is well mixed, that is, sustained release agent is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711066325.XA CN107673865A (en) | 2017-11-02 | 2017-11-02 | Slow-release fertilizer of podocarpus and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711066325.XA CN107673865A (en) | 2017-11-02 | 2017-11-02 | Slow-release fertilizer of podocarpus and preparation method thereof |
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| CN107673865A true CN107673865A (en) | 2018-02-09 |
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| CN201711066325.XA Pending CN107673865A (en) | 2017-11-02 | 2017-11-02 | Slow-release fertilizer of podocarpus and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112673905A (en) * | 2020-12-23 | 2021-04-20 | 广西壮族自治区农业科学院 | Method for improving root growth of crops |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107056438A (en) * | 2017-04-05 | 2017-08-18 | 广西东林食品化工有限公司 | Potassium polyphosphate strawberry slow-release fertilizer and its production method |
-
2017
- 2017-11-02 CN CN201711066325.XA patent/CN107673865A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107056438A (en) * | 2017-04-05 | 2017-08-18 | 广西东林食品化工有限公司 | Potassium polyphosphate strawberry slow-release fertilizer and its production method |
Non-Patent Citations (1)
| Title |
|---|
| 蒋永明等: "《绿化苗木培育手册》", 31 May 2005, 上海：上海科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112673905A (en) * | 2020-12-23 | 2021-04-20 | 广西壮族自治区农业科学院 | Method for improving root growth of crops |
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