CN108587640A - A kind of modifying agent and preparation method thereof for alkaline land soil - Google Patents
A kind of modifying agent and preparation method thereof for alkaline land soil Download PDFInfo
- Publication number
- CN108587640A CN108587640A CN201810557516.4A CN201810557516A CN108587640A CN 108587640 A CN108587640 A CN 108587640A CN 201810557516 A CN201810557516 A CN 201810557516A CN 108587640 A CN108587640 A CN 108587640A
- Authority
- CN
- China
- Prior art keywords
- parts
- fruit
- tannin
- locust tree
- modifying agent
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Cultivation Of Plants (AREA)
Abstract
The modifying agent and preparation method thereof that the invention discloses a kind of for alkaline land soil, includes the raw material of following parts by weight:45 parts of 18 30 parts of fruit/vegetable waste, 4.6 7 parts of fruit tannin, 2.5 4 parts of tartaric acid, 57 parts of amino acid, 6 12 parts of vinasse, 46 parts of glycine betaine, 10 15 parts of sodium bentonite, 36 parts of EM bacteria agent, 16 24 parts of attapulgite powder, 7 12 parts of glycerine and locust tree.Raw material sources of the present invention are extensive, by mixing different raw materials using different preparation processes, then by various composition, various composition acts synergistically, the finished product of preparation can effectively reduce the pH value and total salt content in salt-soda soil, meet the use demand of people, have good social benefit.
Description
Technical field
The present invention relates to soil improvement field, specifically a kind of modifying agent for alkaline land soil.
Background technology
Soil refers to one layer of loose substance of earth surface, by various particulate minerals, organic substance, moisture, sky
The compositions such as gas, microorganism, can growing plant.Soil minerals, animals and plants made of rock weathering, the production of microorganism residuum decomposition
Raw organic matter, geobiont (solid matter) and moisture (liquid phase substance), air (gaseous substance), the humus etc. of oxidation
Composition.
Soil is the basis of plant growth, but due to weather and other, many soil in China cannot carry out
Cultivation, salt-soda soil is exactly one of which.Salt-soda soil refers to containing more soluble-salt or alkaline matter in soil, is unfavorable for agriculture
The normal growth of crop.According to statistics, the salt-soda soil in China reaches 99,200,000 hectares.Soil on salt-soda soil contains carbonate or again
Phosphate, pH value is higher, and soil is in alkalinity, and organic content is few, and soil fertility is low, and physicochemical character is poor.It is right both at home and abroad for a long time
The improvement in salt-soda soil has carried out a series of research, biases toward engineering measure more, although achieving certain achievement, still
There are engineering cost height, improved effect unobvious and it is unsuitable for the problem being widely applied.It is saline and alkaline that people also have developed some
Land soil agent, but current modifying agent still has some defects, performance and function need to be improved.
Invention content
The purpose of the present invention is to provide a kind of modifying agents for alkaline land soil, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides the following technical solutions:
A kind of modifying agent for alkaline land soil includes the raw material of following parts by weight:18-30 parts of fruit/vegetable waste, water
4.6-7 parts of fruit tannin, 2.5-4 parts of tartaric acid, 5-7 parts of amino acid, 6-12 parts of vinasse, 4-6 parts of glycine betaine, sodium bentonite 10-
4-5 parts of 15 parts, 3-6 parts of EM bacteria agent, 16-24 parts of attapulgite powder, 7-12 parts of glycerine and locust tree.
As a further solution of the present invention:Fruit/vegetable waste includes root, stem, leaf, flower and the fruit of fruits and vegetables
At least one of, fruit tannin includes the one or several kinds in persimmon tannin, apple tannin, grape tannin and peach tannin
Mixture, amino acid includes at least two in serine, lysine, aspartic acid, phenylalanine and isoleucine.
As a further solution of the present invention:The grain size of attapulgite powder is 22-46um.
The preparation method of the modifying agent for alkaline land soil, is as follows:
Step 1 freezes locust tree 15-30 hours in subzero 10 degrees Celsius of following temperature, and obtained plant material is freezing
It is crushed to 30-40 mesh under state, obtained plant powder is added to subzero 8 degrees Celsius to subzero 5 degrees Celsius of liquid normal butane
In be sufficiently stirred, and keep being passed through ultrasonic wave when the stirring of temperature 1.5-3 hours, power to the normal butane for adjusting ultrasonic wave boils
Until and kept for 3-5 hours, filter and standing separation, obtain locust tree extracting solution, locust tree extracting solution be equally divided into two parts;
Step 2 carries fruit/vegetable waste, amino acid, vinasse, glycine betaine, sodium bentonite, EM bacteria agent and a locust tree
It takes liquid to be uniformly mixed and ferments 6-8 days under 30-44 degrees Celsius, it is primary every turning in 10-12 hours, obtain tunning;
Fruit tannin is added in glycerine and is stirred evenly with the rotating speed of 150-180rpm, obtains first by step 3
Mixture;
Attapulgite powder is added in another locust tree extracting solution and supersonic oscillations 30-50 minutes, is obtained by step 4
To the second mixture;
Step 5 stirs evenly tunning, the first mixture, the second mixture and tartaric acid, so in high mixer
Granulation drying is to get to finished product afterwards.
As a further solution of the present invention:The power of supersonic oscillations is 150-200W, the frequency of ultrasonic wave in step 4
Rate is 40-60KHz.
Compared with prior art, the beneficial effects of the invention are as follows:Raw material sources of the present invention are extensive, by by different raw materials
It is mixed using different preparation processes, then by various composition, various composition acts synergistically, and the finished product of preparation can have
Effect reduces the pH value and total salt content in salt-soda soil, meets the use demand of people, has good social benefit.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Embodiment 1
A kind of modifying agent for alkaline land soil includes the raw material of following parts by weight:18 parts of fruit/vegetable waste, fruit list
Peaceful 4.6 parts, it is 2.5 parts of tartaric acid, 5 parts of amino acid, 6 parts of vinasse, 4 parts of glycine betaine, 10 parts of sodium bentonite, 3 parts of EM bacteria agent, concave-convex
4 parts of 16 parts of stick mountain flour, 7 parts of glycerine and locust tree.Fruit/vegetable waste includes the mixing of the root, flower and fruit of fruits and vegetables
Object, fruit tannin use grape tannin, and amino acid includes the mixture of serine, lysine and aspartic acid.
The preparation method of the modifying agent for alkaline land soil, is as follows:
Step 1 freezes locust tree 18 hours in subzero 10 degrees Celsius of following temperature, and obtained plant material is in frost shape
It is crushed to 30 mesh under state, obtained plant powder is added in subzero 6 degrees Celsius of liquid normal butane and is sufficiently stirred, and keeping should
It is passed through ultrasonic wave when temperature stirring in 2.5 hours, adjust the power of ultrasonic wave until normal butane boils and is kept for 4 hours, filtering
And standing separation, locust tree extracting solution is obtained, locust tree extracting solution is equally divided into two parts;
Step 2 carries fruit/vegetable waste, amino acid, vinasse, glycine betaine, sodium bentonite, EM bacteria agent and a locust tree
It takes liquid to be uniformly mixed and ferments 7 days under 30-44 degrees Celsius, it is primary every turning in 10 hours, obtain tunning;
Fruit tannin is added in glycerine and is stirred evenly with the rotating speed of 165rpm, obtains the first mixing by step 3
Object;
Attapulgite powder is added in another locust tree extracting solution and supersonic oscillations 36 minutes, is obtained by step 4
Second mixture;
Step 5 stirs evenly tunning, the first mixture, the second mixture and tartaric acid, so in high mixer
Granulation drying is to get to finished product afterwards.
Embodiment 2
A kind of modifying agent for alkaline land soil includes the raw material of following parts by weight:23 parts of fruit/vegetable waste, fruit list
Peaceful 5.5 parts, 3.2 parts of tartaric acid, 5.8 parts of amino acid, 9 parts of vinasse, 4.8 parts of glycine betaine, 12 parts of sodium bentonite, EM bacteria agent 4.4
Part, 20 parts of attapulgite powder, 9.6 parts of glycerine and 4.4 parts of locust tree.The grain size of attapulgite powder is 34um.
The preparation method of the modifying agent for alkaline land soil, is as follows:
Step 1 freezes locust tree 22 hours in subzero 10 degrees Celsius of following temperature, and obtained plant material is in frost shape
It is crushed to 40 mesh under state, obtained plant powder is added in subzero 8 degrees Celsius of liquid normal butane and is sufficiently stirred, and keeping should
It is passed through ultrasonic wave when temperature stirring in 3 hours, adjust the power of ultrasonic wave until normal butane boils and is kept for 4 hours, filtering is simultaneously
Standing separation obtains locust tree extracting solution, and locust tree extracting solution is equally divided into two parts;
Step 2 carries fruit/vegetable waste, amino acid, vinasse, glycine betaine, sodium bentonite, EM bacteria agent and a locust tree
It takes liquid to be uniformly mixed and ferments 6 days under 40 degrees Celsius, it is primary every turning in 12 hours, obtain tunning;
Fruit tannin is added in glycerine and is stirred evenly with the rotating speed of 180rpm, obtains the first mixing by step 3
Object;
Attapulgite powder is added in another locust tree extracting solution and supersonic oscillations 48 minutes, is obtained by step 4
Second mixture;
Step 5 stirs evenly tunning, the first mixture, the second mixture and tartaric acid, so in high mixer
Granulation drying is to get to finished product afterwards.
Embodiment 3
A kind of modifying agent for alkaline land soil includes the raw material of following parts by weight:26 parts of fruit/vegetable waste, fruit list
Peaceful 6.5 parts, 3.6 parts of tartaric acid, 6.4 parts of amino acid, 11 parts of vinasse, 5.8 parts of glycine betaine, 14.5 parts of sodium bentonite, EM bacteria agent
4.8 parts of 5.5 parts, 23 parts of attapulgite powder, 11.1 parts of glycerine and locust tree.Fruit/vegetable waste includes the leaf of fruits and vegetables, flower
And the mixture of fruit, fruit tannin include the mixture of apple tannin and peach tannin, amino acid include phenylalanine and
The mixture of isoleucine.
The preparation method of the modifying agent for alkaline land soil, is as follows:
Step 1 freezes locust tree 26 hours in subzero 10 degrees Celsius of following temperature, and obtained plant material is in frost shape
It is crushed to 30 mesh under state, obtained plant powder is added in subzero 6 degrees Celsius of liquid normal butane and is sufficiently stirred, and keeping should
It is passed through ultrasonic wave when temperature stirring in 2.5 hours, adjust the power of ultrasonic wave until normal butane boils and is kept for 4 hours, filtering
And standing separation, locust tree extracting solution is obtained, locust tree extracting solution is equally divided into two parts;
Step 2 carries fruit/vegetable waste, amino acid, vinasse, glycine betaine, sodium bentonite, EM bacteria agent and a locust tree
It takes liquid to be uniformly mixed and ferments 6 days under 35 degrees Celsius, it is primary every turning in 10 hours, obtain tunning;
Fruit tannin is added in glycerine and is stirred evenly with the rotating speed of 150rpm, obtains the first mixing by step 3
Object;
Step 4 adds attapulgite powder in another locust tree extracting solution and supersonic oscillations 45 minutes, ultrasound
The power of wave oscillation is 175W, and the frequency of ultrasonic wave is 54KHz, obtains the second mixture;
Step 5 stirs evenly tunning, the first mixture, the second mixture and tartaric acid, so in high mixer
Granulation drying is to get to finished product afterwards.
Embodiment 4
A kind of modifying agent for alkaline land soil includes the raw material of following parts by weight:30 parts of fruit/vegetable waste, fruit list
Peaceful 7 parts, 4 parts of tartaric acid, 7 parts of amino acid, 12 parts of vinasse, 6 parts of glycine betaine, 15 parts of sodium bentonite, 6 parts of EM bacteria agent, concave convex rod
5 parts of 24 parts of mountain flour, 12 parts of glycerine and locust tree.Fruit/vegetable waste includes root, stem, leaf, flower and the fruit of fruits and vegetables
Mixture, fruit tannin include the mixture of persimmon tannin, apple tannin, grape tannin and peach tannin, and amino acid includes silk
The mixture of propylhomoserin, lysine, aspartic acid, phenylalanine and isoleucine.The grain size of attapulgite powder is 44um.
The preparation method of the modifying agent for alkaline land soil, is as follows:
Step 1 freezes locust tree 30 hours in subzero 10 degrees Celsius of following temperature, and obtained plant material is in frost shape
It is crushed to 30 mesh under state, obtained plant powder is added in subzero 5 degrees Celsius of liquid normal butane and is sufficiently stirred, and keeping should
It is passed through ultrasonic wave when temperature stirring in 2 hours, adjust the power of ultrasonic wave until normal butane boils and is kept for 4 hours, filtering is simultaneously
Standing separation obtains locust tree extracting solution, and locust tree extracting solution is equally divided into two parts;
Step 2 carries fruit/vegetable waste, amino acid, vinasse, glycine betaine, sodium bentonite, EM bacteria agent and a locust tree
It takes liquid to be uniformly mixed and ferments 7 days under 36 degrees Celsius, it is primary every turning in 12 hours, obtain tunning;
Fruit tannin is added in glycerine and is stirred evenly with the rotating speed of 180rpm, obtains the first mixing by step 3
Object;
Step 4 adds attapulgite powder in another locust tree extracting solution and supersonic oscillations 38 minutes, ultrasound
The power of wave oscillation is 180W, and the frequency of ultrasonic wave is 60KHz, obtains the second mixture;
Step 5 stirs evenly tunning, the first mixture, the second mixture and tartaric acid, so in high mixer
Granulation drying is to get to finished product afterwards.
The product of embodiment 1-4 and existing product test Xinjiang salt-soda soil, the PH on the ground is measured before application
Value is 8.34, and the mass fraction of total salt is 1.237%, and applied amount is 5 kgs/acre, is carried out to the salt-soda soil after application medicament
Test, test result are shown in Table 1.
Table 1
As can be seen from Table 1 in the case of identical usage amount, the product of embodiment 1-4 pH value reduce percentage and
Total salt content, which reduces, is significantly larger than existing product on percentage.
The present invention extracts the locust tree of saline-alkali tolerant using suitable technique, then by locust tree extracting solution, fruit/vegetable waste,
Amino acid, vinasse etc. ferment, and obtain tunning, then attapulgite powder is modified with locust tree extracting solution, will ferment
The components such as product are mixed, are granulated and dried, and the finished product of preparation can effectively reduce the pH value and total salt content in salt-soda soil.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of modifying agent for alkaline land soil, which is characterized in that include the raw material of following parts by weight:Fruit/vegetable waste
18-30 parts, 4.6-7 parts of fruit tannin, 2.5-4 parts of tartaric acid, 5-7 parts of amino acid, 6-12 parts of vinasse, 4-6 parts of glycine betaine, sodium base
4-5 parts of 10-15 parts of bentonite, 3-6 parts of EM bacteria agent, 16-24 parts of attapulgite powder, 7-12 parts of glycerine and locust tree.
2. the modifying agent according to claim 1 for alkaline land soil, which is characterized in that the fruit/vegetable waste includes
At least one of root, stem, leaf, flower and fruit of fruits and vegetables, fruit tannin include persimmon tannin, apple tannin, Portugal
One or several kinds of mixtures in grape tannin and peach tannin, amino acid includes serine, lysine, aspartic acid, benzene
At least two in alanine and isoleucine.
3. the modifying agent according to claim 1 or 2 for alkaline land soil, which is characterized in that the attapulgite powder
Grain size be 22-46um.
4. a kind of preparation method of the modifying agent as described in any one of claims 1-3 for alkaline land soil, which is characterized in that
It is as follows:
Step 1 freezes locust tree 15-30 hours in subzero 10 degrees Celsius of following temperature, and obtained plant material is in freezing state
Under be crushed to 30-40 mesh, obtained plant powder is added in subzero 8 degrees Celsius to subzero 5 degrees Celsius of liquid normal butane and is filled
Divide stirring, and keep being passed through ultrasonic wave when temperature stirring in 1.5-3 hours, adjusts the power of ultrasonic wave until normal butane boils
And kept for 3-5 hours, simultaneously standing separation is filtered, locust tree extracting solution is obtained, locust tree extracting solution is equally divided into two parts;
Step 2, by fruit/vegetable waste, amino acid, vinasse, glycine betaine, sodium bentonite, EM bacteria agent and a locust tree extracting solution
It is uniformly mixed and ferments 6-8 days under 30-44 degrees Celsius, it is primary every turning in 10-12 hours, obtain tunning;
Fruit tannin is added in glycerine and is stirred evenly with the rotating speed of 150-180rpm, obtains the first mixing by step 3
Object;
Attapulgite powder is added in another locust tree extracting solution and supersonic oscillations 30-50 minutes, obtains by step 4
Two mixtures;
Tunning, the first mixture, the second mixture and tartaric acid are stirred evenly in high mixer, are then made by step 5
Grain drying is to get to finished product.
5. the preparation method of the modifying agent according to claim 4 for alkaline land soil, which is characterized in that the step
The power of supersonic oscillations is 150-200W in four, and the frequency of ultrasonic wave is 40-60KHz.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810557516.4A CN108587640A (en) | 2018-06-01 | 2018-06-01 | A kind of modifying agent and preparation method thereof for alkaline land soil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810557516.4A CN108587640A (en) | 2018-06-01 | 2018-06-01 | A kind of modifying agent and preparation method thereof for alkaline land soil |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108587640A true CN108587640A (en) | 2018-09-28 |
Family
ID=63630696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810557516.4A Pending CN108587640A (en) | 2018-06-01 | 2018-06-01 | A kind of modifying agent and preparation method thereof for alkaline land soil |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108587640A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109368773A (en) * | 2018-12-26 | 2019-02-22 | 浙江大学常州工业技术研究院 | Except the aerobic water process composite nutrient of ammonia nitrogen |
CN111418432A (en) * | 2020-03-31 | 2020-07-17 | 宁夏大学 | Overwintering cultivation method for saline-alkali soil grapes without leaving shelves and burying soil |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106008009A (en) * | 2016-06-04 | 2016-10-12 | 山东胜伟园林科技有限公司 | Soil amendment for saline and alkaline land, and preparation and application methods thereof |
-
2018
- 2018-06-01 CN CN201810557516.4A patent/CN108587640A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106008009A (en) * | 2016-06-04 | 2016-10-12 | 山东胜伟园林科技有限公司 | Soil amendment for saline and alkaline land, and preparation and application methods thereof |
Non-Patent Citations (2)
Title |
---|
方志先等: "《湖北恩施药用植物志》", 31 August 2006, 湖北科学技术出版社 * |
陈大珂等: "《森林经营学》", 30 September 1993, 东北林业大学出版社 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109368773A (en) * | 2018-12-26 | 2019-02-22 | 浙江大学常州工业技术研究院 | Except the aerobic water process composite nutrient of ammonia nitrogen |
CN111418432A (en) * | 2020-03-31 | 2020-07-17 | 宁夏大学 | Overwintering cultivation method for saline-alkali soil grapes without leaving shelves and burying soil |
CN111418432B (en) * | 2020-03-31 | 2023-12-15 | 宁夏大学 | Overwintering cultivation method for grape without taking grape off rack and burying soil in saline-alkali soil |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103030460A (en) | Special liquid rooting fertilizer for vegetables as well as preparation method and application of special liquid rooting fertilizer | |
CN104909878B (en) | A kind of drought-hit area leaf vegetables cultivation matrix and preparation method thereof | |
CN101475416B (en) | Ginseng composite biological foliage fertilizer | |
CN104119168A (en) | Production method of attapulgite compressed nutrient soil | |
CN104744114A (en) | Special organic-inorganic compound fertilizer for persimmon trees | |
CN105967903A (en) | Fertilizer for three-year-old fructus jujubae trees and method for preparing fertilizer | |
CN105272499A (en) | Special organic and inorganic compound fertilizer for peach trees | |
CN105967769A (en) | Zymolytic humic acid for agriculture and production method thereof | |
CN105753575A (en) | Method utilizing peat to produce nutrient soil and product | |
CN105801283A (en) | Environment-friendly organic biomass fertilizer special for oil peonies | |
CN105948997A (en) | Biomass organic fertilizer capable of increasing PH of acid soil | |
CN106866201A (en) | Rice nursery substrate | |
CN108587640A (en) | A kind of modifying agent and preparation method thereof for alkaline land soil | |
CN104892079B (en) | A kind of organic composite fertilizer suitable for sand ground forest | |
CN104855257A (en) | Soilless seedling cultivation substrate | |
CN107500947A (en) | A kind of pears seedling culture matrix and preparation method thereof | |
CN106966835A (en) | A kind of method that Nutrition Soil is prepared based on acid-sludge | |
CN109336689A (en) | A kind of blueberry container culturing substrate | |
CN108373378A (en) | A kind of preparation method of photosynthetic accelerator | |
CN104744113A (en) | Organic-inorganic compound fertilizer special for pepper | |
CN104761350A (en) | Mulberry leaf and silkworm cocoon yield increasing leaf fertilizer and application thereof | |
CN104311306A (en) | Special organic fertilizer for sweet strawberries and preparation method thereof | |
CN105315052A (en) | Special organic and inorganic compound fertilizer for wax gourd | |
CN106045640A (en) | Carrot fertilizer and preparation method thereof | |
CN102491813A (en) | Special fertilizer for grape |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180928 |
|
RJ01 | Rejection of invention patent application after publication |