CN106083306A - A kind of pot flowers sustained release coating fertilizer and preparation method thereof - Google Patents
A kind of pot flowers sustained release coating fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN106083306A CN106083306A CN201610395166.7A CN201610395166A CN106083306A CN 106083306 A CN106083306 A CN 106083306A CN 201610395166 A CN201610395166 A CN 201610395166A CN 106083306 A CN106083306 A CN 106083306A
- Authority
- CN
- China
- Prior art keywords
- fertilizer
- cellulose
- sustained release
- water
- preparation
- 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.)
- Pending
Links
Classifications
-
- 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
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of pot flowers sustained release coating fertilizer and preparation method thereof, be made up of the raw material of following weight (part): 4 ~ 6wt%HCl solution, Zinc oxide powder, humic acid powder, maleic anhydride, glauconite, shell, micarex, liver moss soil, titanium dioxide, heteroauxin, shitosan, sodium selenite, zinc chloride, peat, potassium sulfate, cellulose homogenate and water;Potted plant flowers typically do not need too many soil, otherwise affect root system to breathe freely and water content, the fertilizer of invention will be enriched in being ground into pulvis after the stone of mineral matter is calcined, containing abundant mineral matter in stone flour, it is easily dissolved out after hardening, belong to natural mineral matter, reduce the interpolation of inorganic microelement, promote flower growth and maintain vigour.
Description
Technical field
The invention belongs to the technology field of fertilizer, be specifically related to a kind of pot flowers sustained release coating fertilizer and system thereof
Preparation Method.
Background technology
Common fertilizer coating has initial sulphur coated urea technology, then has the thermosetting resin coating skill of Japanese characteristics
Art, the basis of these resin materials be with polyolefin based on, carry out the height of graft copolymerization formation with adding some organic polymers
Polymers, then mix with a certain amount of inorganic mineral stone flour, make coating material, the inorganic mineral stone flour of employing has silicon, sulphur, stone
Cream, phosphate, zeolite powder, diatomite, bentonite etc., first the U.S. succeed in developing sulfur coating urea, film layer by bag sulphur layer,
Sealant and face powder layer composition, occupy an important position in current sulfur coating sustained release powder;
But shortcoming is obvious: although stone flour class coated fertilizer can improve soil mineral, however it is necessary that the interpolation of chemical organic compounds
Could bond, mainly the interpolation of resinae, but the preparation of slow release fertilizer, the bonded adhesive each side used by coating
The selection of the ratio in face, addition and species is a problem, the timely supply of control undue influence fertilizer, and it is improper slightly to control,
The as easy as rolling off a log cracking of making moist of the coating of stone flour class, sandyization soil, reduces the proportional amount of humus of soil, easily causes water and soil stream
Losing, permanent plan is very unfavorable;On the other hand using the coating material of stone flour class, stone flour class self has certain thickness, sternly
Ghost image rings the real effective content of coated fertilizer, adding nutrition constituents content if improved, certainly will increase the granularity of fertilizer, non-
It is often unfavorable for dissolving the fertilising equilibrium problem with fertilizer.
Cellulose is reproducible natural polymer abundant on the earth, and the composition cellulose in nature organism is about
Accounting for 40%, cellulose is a kind of natural polymer, has stability and security, to biological non-toxicity and have good biology
Intermiscibility.For the cellulose membrane that material is made there is a series of premium properties with cellulose, for example highly hydrophilic, excellent ooze
The advantages such as saturating property, band contaminative, resistance to physico-chemical property and heat-resisting quantity are good, it has certain adsorption capacity, particularly in water
The compatibility grain of some pollutant higher.
Content of the invention
The present invention, in order to improve the utilization rate of fertilizer, utilizes the plant leaf blade with pest-resistant effect to be raw material, by wherein
The refinement of cellulose is modified, is finally sprayed on the surface of fertiliser granulates, has absorption and the function of sustained release, particular by following
Method realize:
A kind of pot flowers sustained release coating fertilizer, it is characterised in that be made up of the raw material of following weight (part): 4 ~ 6wt%HCl is molten
Liquid 4 ~ 6, Zinc oxide powder 0.2 ~ 0.4, humic acid powder 10 ~ 15, maleic anhydride 2 ~ 4, glauconite 20 ~ 30, shell 10 ~ 14, mica
Stone 15 ~ 20, decomposed cow dung just 45 ~ 60, titanium dioxide 0.2 ~ 0.4, heteroauxin 0.2 ~ 0.3, shitosan 0.5 ~ 1.0, sodium selenite 1
~ 3, zinc chloride 4 ~ 7, peat 5 ~ 10, potassium sulfate 20 ~ 25, cellulose homogenate 20 ~ 30 and water;
Described cellulose homogenate be mixed weight (part) be the fresh Dalmatian chrysanthemum stalk 6 ~ 9 of unit, garlic stalk 6 ~ 10, China tree
Leaf 10 ~ 15, lemon eucalyptus leaf 8 ~ 12, Chinese honey locust leaf 4 ~ 6, honeysuckle stalk 3 ~ 5, cordate houttuynia 5 ~ 8 and sugarcane top 10 ~ 14,60 ~ 70
Under the conditions of dry, then pulverized 80 ~ 100 mesh sieves, and joined with the solid-liquid ratio of 1:5 ~ 7 and urinate containing 5 ~ 7wt%NaOH and 3 ~ 5wt%
In the mixed solution of element, vibrating dissolving 4 ~ 6h under-10 ~ 0 DEG C of environment, after completing, centrifugal removal is precipitated, and gained is homogenized insulation 2
~ 6 DEG C standby.
The preparation method of a kind of pot flowers sustained release coating fertilizer, it is characterised in that include following step:
(1) mix glauconite, shell and micarex, be placed in high temperature 1000 ~ 1100 DEG C in rotary kiln and carry out calcining 30 ~ 40min and obtain
Grog, rapid hardening was simultaneously pulverized 20 ~ 40 mesh sieves, and was added humic acid powder, peat, titanium dioxide and decomposed cow dung just, stir and evenly mix
Become fertilizer base-material;
(2) mixed shell glycan, sodium selenite and other following residual components being not directed to, add the water of 4 ~ 6 times of its total weight parts,
Stirring, to being completely dissolved, adds to the base-material described in (1), adds water and stir into paste, making particle by slurry-spraying pelletizing;
(3) dry the fertiliser granulates of described to (2) preparation to water content 5 ~ 10%, keep fertiliser granulates temperature 40 ~ 50 DEG C, then
4 ~ 6wt%HCl solution is joined in cellulose homogenate, quickly stir and evenly mix, be sprayed onto the particle surface of fertilizer, after wetting often
The lower nature of temperature blots, point 2 ~ 3 sprayings, film forming after completing.
Choose fresh that there is certain pest-resistant action characteristic and the raw material rich in cellulose: Dalmatian chrysanthemum stalk, garlic stalk,
Folium Meliae, lemon eucalyptus leaf, Chinese honey locust leaf, honeysuckle stalk, cordate houttuynia and sugarcane top;Then the examination that can dissolve cellulose is utilized
Agent carries out the dissolution process of cellulose, and cellulose has very strong intramolecular and intermolecular hydrogen bonding, and research proves that NaOH's is water-soluble
Liquid effectively dissolves the cellulose of low polymerization degree, but the dissolving power of the cellulose bigger to molecular weight is general, but adds a certain amount of
Urea or thiocarbamide can dramatically increase the solubility of cellulose, avoid the formation of cellulose gel simultaneously, improve cellulose
Film forming characteristics, after dissolving appropriate cellulose, the bigger lignin of particle is separated, and by suitable centrifugal action, makes
Lignin component centrifugation is simultaneously removed, and retains the solution containing lysotype cellulose, does not contain only cellulose in this solution
Composition, contains the biological effective components of various plant simultaneously, comprises growth activity composition and the insect pest class of beneficial plant growth
Alkaloids etc., the main matter owing to stoping cellulose gel to be formed is the material of alkaline NaOH and urea class, now utilizes
Certain density acid solution, neutralizes aqueous slkali and the urea being dissolved in solution exchanges so that cellulose solution is gradually
Become the gel state containing solvent, finally regenerate out from solution, the mutually entanglement again of the solution containing cellulosic molecule,
Assemble and form micellar aggregates, form network.
It herein for the dissolubility increasing cellulose, after first fresh plant leaf blade and stalk etc. being dried, is ground into powder
End, reduces solvent solution presasure, uses the urea liquid of 5 ~ 7%NaOH and 3 ~ 5% as solvent, shakes under conditions of-10 ~ 0 DEG C
Swinging dissolving, using compartment repeatedly to dissolve, the HCl solution being subsequently adding 4 ~ 6% dissolves the alkali of cellulose as coagulating bath, neutralization
And exchange urea, with the increase of cellulose concentration, increasing of unit volume interpolymer molecular amounts, add polymer and divide
The density of sub-network, too increases the probability being wound around between the polymer micella of adjacent multiple polymer molecule composition, finally promotees
Make cellulose freezing film, experiment discovery, add a certain amount of Zinc oxide powder to be conducive to improving film forming characteristics in coagulating bath,
Conjecture is likely due to the effect that Zinc oxide powder serves similar nucleus, have impact on the crystallization yardstick of cellulose.
Beneficial effects of the present invention: potted plant flowers typically do not need too many soil, otherwise affects root system and breathes freely and contain
The water yield, the fertilizer of invention will be enriched in being ground into pulvis after the stone of mineral matter is calcined, containing abundant mineral matter in stone flour,
Easily be dissolved out after hardening, belong to natural mineral matter, reduce the interpolation of inorganic microelement, promote flower growth and
Maintaining vigour, the organic matter of addition can be wrapped in stone flour surface through the cooperation humic acid powder that becomes thoroughly decomposed, and becomes the pulvis of viscosity, tool
Have reserved moisture and the function of absorption nutrient.
Detailed description of the invention
Embodiment 1:
A kind of pot flowers sustained release coating fertilizer, it is characterised in that be made up of the raw material of following weight (Kg): 4 ~ 6wt%HCl is molten
Liquid the 5th, Zinc oxide powder the 0.3rd, humic acid powder the 12nd, maleic anhydride the 3rd, glauconite the 22nd, shell the 12nd, micarex the 18th, decomposed cow dung is just the 50th,
Titanium dioxide the 0.3rd, heteroauxin the 0.3rd, shitosan the 0.6th, sodium selenite the 1st, zinc chloride the 6th, peat the 7th, potassium sulfate the 22nd, cellulose homogenate 24
And water;
Described cellulose homogenate be fresh Dalmatian chrysanthemum stalk the 8th, garlic stalk the 8th, Folium Meliae that mixed weight (Kg) is unit the 12nd,
Lemon eucalyptus leaf the 10th, Chinese honey locust leaf the 5th, honeysuckle stalk the 4th, cordate houttuynia 7 and sugarcane top 12, dry under the conditions of 60 ~ 70, then pulverize
Cross 80 ~ 100 mesh sieves, join in the mixed solution containing 5 ~ 7wt%NaOH and 3 ~ 5wt% urea with the solid-liquid ratio of 1:5 ~ 7 ,-
Vibrating dissolving 4 ~ 6h under 10 ~ 0 DEG C of environment, after completing, centrifugal removal is precipitated, and gained is homogenized insulation 2 ~ 6 DEG C standby.
The preparation method of a kind of pot flowers sustained release coating fertilizer, it is characterised in that include following step:
(1) mix glauconite, shell and micarex, be placed in high temperature 1000 ~ 1100 DEG C in rotary kiln and carry out calcining 30 ~ 40min and obtain
Grog, rapid hardening was simultaneously pulverized 20 ~ 40 mesh sieves, and was added humic acid powder, peat, titanium dioxide and decomposed cow dung just, stir and evenly mix
Become fertilizer base-material;
(2) mixed shell glycan, sodium selenite and other following residual components being not directed to, add the water of 4 ~ 6 times of its total weight parts,
Stirring, to being completely dissolved, adds to the base-material described in (1), adds water and stir into paste, making particle by slurry-spraying pelletizing;
(3) dry the fertiliser granulates of described to (2) preparation to water content 5 ~ 10%, keep fertiliser granulates temperature 40 ~ 50 DEG C, then
4 ~ 6wt%HCl solution is joined in cellulose homogenate, quickly stir and evenly mix, be sprayed onto the particle surface of fertilizer, after wetting often
The lower nature of temperature blots, point 2 ~ 3 sprayings, film forming after completing.
Using the planting experiment for indoor pot flowers for the fertilizer of the present invention, result confirms: fertilizer of the present invention can carry
High flowers vitality, the incidence of pest and disease damage reduces, and each side's name performance of soil is more preferable.
Claims (2)
1. a pot flowers sustained release coating fertilizer, it is characterised in that be made up of the raw material of following weight (part): 4 ~ 6wt%HCl
Solution 4 ~ 6, Zinc oxide powder 0.2 ~ 0.4, humic acid powder 10 ~ 15, maleic anhydride 2 ~ 4, glauconite 20 ~ 30, shell 10 ~ 14, cloud
Female stone 15 ~ 20, decomposed cow dung just 45 ~ 60, titanium dioxide 0.2 ~ 0.4, heteroauxin 0.2 ~ 0.3, shitosan 0.5 ~ 1.0, selenous acid
Sodium 1 ~ 3, zinc chloride 4 ~ 7, peat 5 ~ 10, potassium sulfate 20 ~ 25, cellulose homogenate 20 ~ 30 and water;
Described cellulose homogenate be mixed weight (part) be the fresh Dalmatian chrysanthemum stalk 6 ~ 9 of unit, garlic stalk 6 ~ 10, China tree
Leaf 10 ~ 15, lemon eucalyptus leaf 8 ~ 12, Chinese honey locust leaf 4 ~ 6, honeysuckle stalk 3 ~ 5, cordate houttuynia 5 ~ 8 and sugarcane top 10 ~ 14,60 ~ 70
Under the conditions of dry, then pulverized 80 ~ 100 mesh sieves, and joined with the solid-liquid ratio of 1:5 ~ 7 and urinate containing 5 ~ 7wt%NaOH and 3 ~ 5wt%
In the mixed solution of element, vibrating dissolving 4 ~ 6h under-10 ~ 0 DEG C of environment, after completing, centrifugal removal is precipitated, and gained is homogenized insulation 2
~ 6 DEG C standby.
2. the preparation method of a kind of pot flowers sustained release coating fertilizer according to claim 1, it is characterised in that include following
Several steps:
(1) mix glauconite, shell and micarex, be placed in high temperature 1000 ~ 1100 DEG C in rotary kiln and carry out calcining 30 ~ 40min and obtain
Grog, rapid hardening was simultaneously pulverized 20 ~ 40 mesh sieves, and was added humic acid powder, peat, titanium dioxide and decomposed cow dung just, stir and evenly mix
Become fertilizer base-material;
(2) mixed shell glycan, sodium selenite and other following residual components being not directed to, add the water of 4 ~ 6 times of its total weight parts,
Stirring, to being completely dissolved, adds to the base-material described in (1), adds water and stir into paste, making particle by slurry-spraying pelletizing;
(3) dry the fertiliser granulates of described to (2) preparation to water content 5 ~ 10%, keep fertiliser granulates temperature 40 ~ 50 DEG C, then
4 ~ 6wt%HCl solution is joined in cellulose homogenate, quickly stir and evenly mix, be sprayed onto the particle surface of fertilizer, after wetting often
The lower nature of temperature blots, point 2 ~ 3 sprayings, film forming after completing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610395166.7A CN106083306A (en) | 2016-06-07 | 2016-06-07 | A kind of pot flowers sustained release coating fertilizer and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610395166.7A CN106083306A (en) | 2016-06-07 | 2016-06-07 | A kind of pot flowers sustained release coating fertilizer and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106083306A true CN106083306A (en) | 2016-11-09 |
Family
ID=57447845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610395166.7A Pending CN106083306A (en) | 2016-06-07 | 2016-06-07 | A kind of pot flowers sustained release coating fertilizer and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106083306A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106673918A (en) * | 2017-02-24 | 2017-05-17 | 蚌埠市凯婷农民种植专业合作社 | Nutritional soil for household potted plants |
CN106748311A (en) * | 2017-02-24 | 2017-05-31 | 蚌埠市凯婷农民种植专业合作社 | It is a kind of for potted plant Nutrition Soil |
CN106831159A (en) * | 2017-03-01 | 2017-06-13 | 新昌县天姥园艺发展有限公司 | Pot flowers chemical fertilizer and preparation method thereof |
CN107216191A (en) * | 2017-05-25 | 2017-09-29 | 兰溪市普润斯水产养殖技术有限公司 | A kind of flowers chemical fertilizer and preparation method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105347915A (en) * | 2015-10-30 | 2016-02-24 | 全椒县琪悦家庭农场 | Degradable slow-release mixed fertilizer and preparation method thereof |
-
2016
- 2016-06-07 CN CN201610395166.7A patent/CN106083306A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105347915A (en) * | 2015-10-30 | 2016-02-24 | 全椒县琪悦家庭农场 | Degradable slow-release mixed fertilizer and preparation method thereof |
Non-Patent Citations (2)
Title |
---|
何爱见 等: "纤维素在氢氧化钠/尿素的溶解", 《中国造纸学会第十五届学术年会论文集》 * |
颜启传 等: "《种子加工原理和技术》", 31 December 2001 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106673918A (en) * | 2017-02-24 | 2017-05-17 | 蚌埠市凯婷农民种植专业合作社 | Nutritional soil for household potted plants |
CN106748311A (en) * | 2017-02-24 | 2017-05-31 | 蚌埠市凯婷农民种植专业合作社 | It is a kind of for potted plant Nutrition Soil |
CN106831159A (en) * | 2017-03-01 | 2017-06-13 | 新昌县天姥园艺发展有限公司 | Pot flowers chemical fertilizer and preparation method thereof |
CN107216191A (en) * | 2017-05-25 | 2017-09-29 | 兰溪市普润斯水产养殖技术有限公司 | A kind of flowers chemical fertilizer and preparation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104311253B (en) | A kind of chitosan sustained-release fertilizer microballoon and preparation method thereof | |
CN104119168B (en) | The production method of concave convex rod compression Nutrition Soil | |
CN106083306A (en) | A kind of pot flowers sustained release coating fertilizer and preparation method thereof | |
CN104876679A (en) | Coarse biochar slow-release fertilizer and preparation method thereof | |
CN104610974B (en) | A kind of soil conditioner of saline-alkaline soil preparation method | |
CN104860751A (en) | Double-layer enveloped slow/controlled release fertilizer and preparation method thereof | |
CN104163708B (en) | A kind of water soluble composite fertilizer suspension aids and its preparation method and application | |
CN103613474A (en) | Long-acting slow-control bio-fertilizer and preparation method thereof | |
CN106083303A (en) | A kind of plantation organic coated fertilizer of loquat and preparation method thereof | |
CN107759347A (en) | A kind of multiple-effect a great number of elements Water soluble fertilizer and preparation method thereof | |
CN105541517A (en) | Soil improvement type mulberry fertilizer and preparation method thereof | |
CN105418337B (en) | The slow release fertilizer and preparation method thereof of heavy metal in soil ion concentration can be reduced | |
CN104045420A (en) | Antibiotic yield-increasing slow-release compound fertilizer containing nano silver coating | |
CN105693354A (en) | Preparation technology of water-retention slow-release fertilizer | |
CN105820002A (en) | Meat waste material fermented fertilizer and preparation method thereof | |
CN106083304A (en) | A kind of for planting fruit trees selenium-rich coated slow release fertilizer and preparation method thereof | |
CN107207376A (en) | Flowable mixture comprising elemental sulfur and hydrated clay and preparation method thereof | |
CN106083419A (en) | A kind of coated cellulose fertilizer and preparation method thereof | |
CN115521178A (en) | Method for improving bioavailability of nano material on plant leaf surfaces | |
CN109824426A (en) | A kind of slow release fertilizer improving heavy metal pollution of soil | |
CN106083305A (en) | A kind of mountain area tangerine plantation sustained release coating fertilizer and preparation method thereof | |
CN104876681A (en) | Fertilizer combining organic carbon and inorganic nutrients and preparation method of fertilizer | |
CN106083423A (en) | A kind of legume coated fertilizer in sowing time and preparation method thereof | |
CN108774530A (en) | A kind of transplantation method of degradable soil consolidation agent and preparation method thereof and plantling | |
CN106083421A (en) | A kind of pomegranate tree plantation sustained release coating fertilizer and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
|
RJ01 | Rejection of invention patent application after publication |