CN106631587A - Special yield-increasing fertilizer for potatoes and preparation method thereof - Google Patents
Special yield-increasing fertilizer for potatoes and preparation method thereof Download PDFInfo
- Publication number
- CN106631587A CN106631587A CN201611175595.XA CN201611175595A CN106631587A CN 106631587 A CN106631587 A CN 106631587A CN 201611175595 A CN201611175595 A CN 201611175595A CN 106631587 A CN106631587 A CN 106631587A
- Authority
- CN
- China
- Prior art keywords
- parts
- sulfate
- weighed
- fertilizer
- calcium
- 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
- C05G3/80—Soil conditioners
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a special yield-increasing fertilizer for potatoes. The special yield-increasing fertilizer for potatoes comprises the following raw materials in parts by weight: 40-45 parts of plant ash, 13-19 parts of bean pulp, 18-22 parts of fly ash, 10-14 parts of vermiculite powder, 34-38 parts of cattle manure, 22-27 parts of calcium magnesium phosphate fertilizer, 8-12 parts of calcium superphosphate, 1-3 parts of borax, 5-9 parts of potassium sulfate, 6-10 parts of ammonium hydrogen phosphate, 2-5 parts of manganese sulfate, 1-3 parts of zinc sulfate, 2-5 parts of EM microbial agent, 2-5 parts of Chlorella powder, 6-10 parts of Leaf of Tree-of-heaven Ailanthus and 1-2 parts of ascorbic acid. The invention also discloses a preparation method of the special yield-increasing fertilizer for potatoes. The fertilizer prepared by the invention contains multiple minor elements and comprehensive nutrients, and satisfies the requirements for nutrients in the potato growth process, thereby being beneficial to increasing the quality and yield of potatoes.
Description
Technical field
The present invention relates to technical field of agricultural fertilizers, specifically a kind of potato special production-increase fertilizer and preparation method thereof.
Background technology
Potato is providing the food of comprehensive nutrition, is ensureing grain security, improve energy security, help peasant to shake off poverty cause
The aspects such as rich, promotion Development of Winter development have played great function, therefore potato can obtain countries in the world, particularly develop
The attention of middle country, plays bigger effect in agricultural and rural economy.For the whole world, it is average that potato only accounts for the world
The 2% of diet energy supply, but it is but the staple food of many countries.In developed country, potato can everyone offer daily
The energy of 540kJ, in developing country, the numeral is about 170kJ for each person every day.In addition to the energy of needed by human body is provided,
The potato of many kinds also contribute to a certain amount of dietary fiber, ascorbic acid, potassium, carotenoid and anti-oxidant phenols
Compound (such as chlorogenic acid and its polymer).
At present potato conventional fertilizer application is more based on nitrogen, phosphate fertilizer, despise potassium, in, the use of phosphate fertilizer and farm manure, in agricultural
Bring in production process it is serious partially to fertilize with the unbalanced problem of nutrition supply and demand, it is impossible to fully meet potato growth institute
The nutrition for needing.
The content of the invention
It is an object of the invention to provide a kind of potato special production-increase fertilizer and preparation method thereof, to solve above-mentioned background
The problem proposed in technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of potato special production-increase fertilizer, is made up of the following raw material according to weight portion:Plant ash 40-45 parts, dregs of beans
13-19 parts, flyash 18-22 parts, vermiculite power 10-14 parts, cow dung 34-38 parts, calcium magnesium phosphate 22-27 parts, calcium superphosphate 8-12
Part, borax 1-3 parts, potassium sulfate 5-9 parts, ammonium hydrogen phosphate 6-10 parts, manganese sulfate 2-5 parts, zinc sulfate 1-3 parts, EM bacteria agent 2-5 part,
Chlorella powder 2-5 parts, tree of heaven wood leaf 6-10 parts, ascorbic acid 1-2 parts.
As further scheme of the invention:It is made up of the following raw material according to weight portion:Plant ash 41-44 parts, dregs of beans
14-18 parts, flyash 19-21 parts, vermiculite power 11-13 parts, cow dung 35-37 parts, calcium magnesium phosphate 23-26 parts, calcium superphosphate 9-11
Part, borax 1.2-2.7 parts, potassium sulfate 6-8 parts, ammonium hydrogen phosphate 7-9 parts, manganese sulfate 3-4 parts, zinc sulfate 1.5-2.5 parts, EM bacteria agent
3-4 parts, chlorella powder 3-4 parts, tree of heaven wood leaf 7-9 parts, ascorbic acid 1.2-1.8 parts.
As further scheme of the invention:It is made up of the following raw material according to weight portion:43 parts of plant ash, dregs of beans 16
Part, 20 parts of flyash, 12 parts of vermiculite power, 36 parts of cow dung, 25 parts of calcium magnesium phosphate, 10 parts of calcium superphosphate, 1.9 parts of borax, potassium sulfate 7
It is part, 8 parts of ammonium hydrogen phosphate, 3.5 parts of manganese sulfate, 2.1 parts of zinc sulfate, 3.7 parts of EM bacteria agent, 3.4 parts of chlorella powder, the tree of heaven 8 parts of leaf of wood, anti-
1.5 parts of bad hematic acid.
The preparation method of the potato special production-increase fertilizer, step is as follows:
1) dregs of beans, tree of heaven wood leaf are weighed, in being put into autoclave, pressure is 2-3Mpa, and temperature is 210-240 DEG C, processes 30-
40min, obtains mixed processing material, standby;
2) plant ash, flyash, vermiculite power, cow dung are weighed, after being well mixed, fermentation process 12-15 days is carried out, is sent out
Ferment material;
3) calcium magnesium phosphate, calcium superphosphate, borax, potassium sulfate, ammonium hydrogen phosphate, manganese sulfate, zinc sulfate, after crushing, mistake are weighed
100-200 mesh sieves, and ball milling mixing 3-5h, obtain inorganic additive;
4) mixed processing material, fermentation material and inorganic additive are merged, after being uniformly mixed, obtains compound;
5) EM bacteria agent, chlorella powder and ascorbic acid are weighed, is added into compound, after being uniformly mixed, granulation is simultaneously
Drying, you can.
Compared with prior art, the invention has the beneficial effects as follows:
Fertilizer prepared by the present invention improves utilization rate of fertilizer by rational raw material proportioning, also improves soil texture, and
By adding microbial inoculum, the microecosystem environment of soil is significantly improved, enhance the gas permeability of soil and soil water-reataining fertilizer-keeping
Performance, improves the ability of the sustainable increasing both production and income of soil.Fertilizer prepared by the present invention includes various trace elements, and nutrient is complete
Face, nutrients release is uniformly permanent, it is ensured that potato, to the demand of nutrient content, makes potato grow up healthy and sound in growth course,
Be conducive to improving the quality and yield of potato.
Specific embodiment
Technical scheme is described in more detail with reference to specific embodiment.
Embodiment 1
A kind of potato special production-increase fertilizer, is made up of the following raw material according to weight portion:40 parts of plant ash, dregs of beans 13
Part, 18 parts of flyash, 10 parts of vermiculite power, 34 parts of cow dung, 22 parts of calcium magnesium phosphate, 8 parts of calcium superphosphate, 1 part of borax, 5 parts of potassium sulfate,
6 parts of ammonium hydrogen phosphate, 2 parts of manganese sulfate, 1 part of zinc sulfate, 2 parts of EM bacteria agent, 2 parts of chlorella powder, the tree of heaven 6 parts of leaf of wood, 1 part of ascorbic acid.
In the present embodiment, the preparation method of the potato special production-increase fertilizer, step is as follows:
1) dregs of beans, tree of heaven wood leaf are weighed, in being put into autoclave, pressure is 2Mpa, and temperature is 210 DEG C, processes 30min, is obtained
Mixed processing material, it is standby;
2) plant ash, flyash, vermiculite power, cow dung are weighed, after being well mixed, fermentation process is carried out 12 days, is fermented
Material;
3) calcium magnesium phosphate, calcium superphosphate, borax, potassium sulfate, ammonium hydrogen phosphate, manganese sulfate, zinc sulfate, after crushing, mistake are weighed
100 mesh sieves, and ball milling mixing 3h, obtain inorganic additive;
4) mixed processing material, fermentation material and inorganic additive are merged, after being uniformly mixed, obtains compound;
5) EM bacteria agent, chlorella powder and ascorbic acid are weighed, is added into compound, after being uniformly mixed, granulation is simultaneously
Drying, you can.
Embodiment 2
A kind of potato special production-increase fertilizer, is made up of the following raw material according to weight portion:41 parts of plant ash, dregs of beans 14
Part, 19 parts of flyash, 13 parts of vermiculite power, 37 parts of cow dung, 26 parts of calcium magnesium phosphate, 9 parts of calcium superphosphate, 1.2 parts of borax, potassium sulfate 6
Part, 7 parts of ammonium hydrogen phosphate, 4 parts of manganese sulfate, 2.5 parts of zinc sulfate, 4 parts of EM bacteria agent, 4 parts of chlorella powder, the tree of heaven 7 parts of leaf of wood, ascorbic acid
1.8 part.
In the present embodiment, the preparation method of the potato special production-increase fertilizer, step is as follows:
1) dregs of beans, tree of heaven wood leaf are weighed, in being put into autoclave, pressure is 2.2Mpa, and temperature is 220 DEG C, processes 34min, is obtained
Mixed processing material is obtained, it is standby;
2) plant ash, flyash, vermiculite power, cow dung are weighed, after being well mixed, fermentation process is carried out 13 days, is fermented
Material;
3) calcium magnesium phosphate, calcium superphosphate, borax, potassium sulfate, ammonium hydrogen phosphate, manganese sulfate, zinc sulfate, after crushing, mistake are weighed
100 mesh sieves, and ball milling mixing 3h, obtain inorganic additive;
4) mixed processing material, fermentation material and inorganic additive are merged, after being uniformly mixed, obtains compound;
5) EM bacteria agent, chlorella powder and ascorbic acid are weighed, is added into compound, after being uniformly mixed, granulation is simultaneously
Drying, you can.
Embodiment 3
A kind of potato special production-increase fertilizer, is made up of the following raw material according to weight portion:43 parts of plant ash, dregs of beans 16
Part, 20 parts of flyash, 12 parts of vermiculite power, 36 parts of cow dung, 25 parts of calcium magnesium phosphate, 10 parts of calcium superphosphate, 1.9 parts of borax, potassium sulfate 7
It is part, 8 parts of ammonium hydrogen phosphate, 3.5 parts of manganese sulfate, 2.1 parts of zinc sulfate, 3.7 parts of EM bacteria agent, 3.4 parts of chlorella powder, the tree of heaven 8 parts of leaf of wood, anti-
1.5 parts of bad hematic acid.
In the present embodiment, the preparation method of the potato special production-increase fertilizer, step is as follows:
1) dregs of beans, tree of heaven wood leaf are weighed, in being put into autoclave, pressure is 2.5Mpa, and temperature is 230 DEG C, processes 35min, is obtained
Mixed processing material is obtained, it is standby;
2) plant ash, flyash, vermiculite power, cow dung are weighed, after being well mixed, fermentation process is carried out 14 days, is fermented
Material;
3) calcium magnesium phosphate, calcium superphosphate, borax, potassium sulfate, ammonium hydrogen phosphate, manganese sulfate, zinc sulfate, after crushing, mistake are weighed
200 mesh sieves, and ball milling mixing 4h, obtain inorganic additive;
4) mixed processing material, fermentation material and inorganic additive are merged, after being uniformly mixed, obtains compound;
5) EM bacteria agent, chlorella powder and ascorbic acid are weighed, is added into compound, after being uniformly mixed, granulation is simultaneously
Drying, you can.
Embodiment 4
A kind of potato special production-increase fertilizer, is made up of the following raw material according to weight portion:44 parts of plant ash, dregs of beans 18
Part, 21 parts of flyash, 11 parts of vermiculite power, 35 parts of cow dung, 23 parts of calcium magnesium phosphate, 11 parts of calcium superphosphate, 2.7 parts of borax, potassium sulfate 8
Part, 9 parts of ammonium hydrogen phosphate, 3 parts of manganese sulfate, 1.5 parts of zinc sulfate, 3 parts of EM bacteria agent, 3 parts of chlorella powder, the tree of heaven 9 parts of leaf of wood, ascorbic acid
1.2 part.
In the present embodiment, the preparation method of the potato special production-increase fertilizer, step is as follows:
1) dregs of beans, tree of heaven wood leaf are weighed, in being put into autoclave, pressure is 3Mpa, and temperature is 230 DEG C, processes 37min, is obtained
Mixed processing material, it is standby;
2) plant ash, flyash, vermiculite power, cow dung are weighed, after being well mixed, fermentation process is carried out 14 days, is fermented
Material;
3) calcium magnesium phosphate, calcium superphosphate, borax, potassium sulfate, ammonium hydrogen phosphate, manganese sulfate, zinc sulfate, after crushing, mistake are weighed
200 mesh sieves, and ball milling mixing 4.5h, obtain inorganic additive;
4) mixed processing material, fermentation material and inorganic additive are merged, after being uniformly mixed, obtains compound;
5) EM bacteria agent, chlorella powder and ascorbic acid are weighed, is added into compound, after being uniformly mixed, granulation is simultaneously
Drying, you can.
Embodiment 5
A kind of potato special production-increase fertilizer, is made up of the following raw material according to weight portion:45 parts of plant ash, dregs of beans 19
Part, 22 parts of flyash, 14 parts of vermiculite power, 38 parts of cow dung, 27 parts of calcium magnesium phosphate, 12 parts of calcium superphosphate, 3 parts of borax, potassium sulfate 9
Part, 10 parts of ammonium hydrogen phosphate, 5 parts of manganese sulfate, 3 parts of zinc sulfate, 5 parts of EM bacteria agent, 5 parts of chlorella powder, the tree of heaven 10 parts of leaf of wood, ascorbic acid
2 parts.
In the present embodiment, the preparation method of the potato special production-increase fertilizer, step is as follows:
1) dregs of beans, tree of heaven wood leaf are weighed, in being put into autoclave, pressure is 3Mpa, and temperature is 240 DEG C, processes 40min, is obtained
Mixed processing material, it is standby;
2) plant ash, flyash, vermiculite power, cow dung are weighed, after being well mixed, fermentation process is carried out 15 days, is fermented
Material;
3) calcium magnesium phosphate, calcium superphosphate, borax, potassium sulfate, ammonium hydrogen phosphate, manganese sulfate, zinc sulfate, after crushing, mistake are weighed
200 mesh sieves, and ball milling mixing 5h, obtain inorganic additive;
4) mixed processing material, fermentation material and inorganic additive are merged, after being uniformly mixed, obtains compound;
5) EM bacteria agent, chlorella powder and ascorbic acid are weighed, is added into compound, after being uniformly mixed, granulation is simultaneously
Drying, you can.
Fertilizer prepared by the present invention improves utilization rate of fertilizer by rational raw material proportioning, also improves soil texture, and
By adding microbial inoculum, the microecosystem environment of soil is significantly improved, enhance the gas permeability of soil and soil water-reataining fertilizer-keeping
Performance, improves the ability of the sustainable increasing both production and income of soil.Fertilizer prepared by the present invention includes various trace elements, and nutrient is complete
Face, nutrients release is uniformly permanent, it is ensured that potato, to the demand of nutrient content, makes potato grow up healthy and sound in growth course,
Be conducive to improving the quality and yield of potato.
The better embodiment of the present invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from present inventive concept
Various changes can be made.
Claims (4)
1. a kind of potato special production-increase fertilizer, it is characterised in that be made up of the following raw material according to weight portion:Plant ash 40-
45 parts, dregs of beans 13-19 parts, flyash 18-22 parts, vermiculite power 10-14 parts, cow dung 34-38 parts, calcium magnesium phosphate 22-27 parts, cross phosphorus
Sour calcium 8-12 parts, borax 1-3 parts, potassium sulfate 5-9 parts, ammonium hydrogen phosphate 6-10 parts, manganese sulfate 2-5 parts, zinc sulfate 1-3 parts, EM bacterium
Agent 2-5 parts, chlorella powder 2-5 parts, tree of heaven wood leaf 6-10 parts, ascorbic acid 1-2 parts.
2. potato special production-increase fertilizer according to claim 1, it is characterised in that by the following raw material according to weight portion
Composition:Plant ash 41-44 parts, dregs of beans 14-18 parts, flyash 19-21 parts, vermiculite power 11-13 parts, cow dung 35-37 parts, calcium and magnesium phosphorus
Fertile 23-26 parts, calcium superphosphate 9-11 parts, borax 1.2-2.7 parts, potassium sulfate 6-8 parts, ammonium hydrogen phosphate 7-9 parts, manganese sulfate 3-4 parts,
Zinc sulfate 1.5-2.5 parts, EM bacteria agent 3-4 part, chlorella powder 3-4 parts, tree of heaven wood leaf 7-9 parts, ascorbic acid 1.2-1.8 parts.
3. potato special production-increase fertilizer according to claim 2, it is characterised in that by the following raw material according to weight portion
Composition:43 parts of plant ash, 16 parts of dregs of beans, 20 parts of flyash, 12 parts of vermiculite power, 36 parts of cow dung, 25 parts of calcium magnesium phosphate, calcium superphosphate
10 parts, 1.9 parts of borax, 7 parts of potassium sulfate, 8 parts of ammonium hydrogen phosphate, 3.5 parts of manganese sulfate, 2.1 parts of zinc sulfate, 3.7 parts of EM bacteria agent, bead
3.4 parts of algae powder, the tree of heaven 8 parts of leaf of wood, 1.5 parts of ascorbic acid.
4. a kind of preparation method of the potato special production-increase fertilizer as described in claim 1-3 is arbitrary, it is characterised in that step
It is as follows:
1) dregs of beans, tree of heaven wood leaf are weighed, in being put into autoclave, pressure is 2-3Mpa, and temperature is 210-240 DEG C, processes 30-40min,
Mixed processing material is obtained, it is standby;
2) plant ash, flyash, vermiculite power, cow dung are weighed, after being well mixed, fermentation process 12-15 days is carried out, is fermented
Material;
3) calcium magnesium phosphate, calcium superphosphate, borax, potassium sulfate, ammonium hydrogen phosphate, manganese sulfate, zinc sulfate are weighed, after crushing, 100- is crossed
200 mesh sieves, and ball milling mixing 3-5h, obtain inorganic additive;
4) mixed processing material, fermentation material and inorganic additive are merged, after being uniformly mixed, obtains compound;
5) EM bacteria agent, chlorella powder and ascorbic acid are weighed, are added into compound, after being uniformly mixed, granulated and dry,
.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611175595.XA CN106631587A (en) | 2016-12-19 | 2016-12-19 | Special yield-increasing fertilizer for potatoes and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611175595.XA CN106631587A (en) | 2016-12-19 | 2016-12-19 | Special yield-increasing fertilizer for potatoes and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106631587A true CN106631587A (en) | 2017-05-10 |
Family
ID=58822318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611175595.XA Pending CN106631587A (en) | 2016-12-19 | 2016-12-19 | Special yield-increasing fertilizer for potatoes and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106631587A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107778085A (en) * | 2017-11-17 | 2018-03-09 | 江永县和日水果专业合作社 | A kind of live body detoxification is increased production and improved productivity foliar fertilizer and preparation method thereof |
CN110903130A (en) * | 2019-12-12 | 2020-03-24 | 京博农化科技有限公司 | Novel calcium-magnesium-silicon granular fertilizer and preparation method thereof |
CN111937704A (en) * | 2020-08-28 | 2020-11-17 | 西昌学院 | Potato planting method for high-altitude areas |
-
2016
- 2016-12-19 CN CN201611175595.XA patent/CN106631587A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107778085A (en) * | 2017-11-17 | 2018-03-09 | 江永县和日水果专业合作社 | A kind of live body detoxification is increased production and improved productivity foliar fertilizer and preparation method thereof |
CN110903130A (en) * | 2019-12-12 | 2020-03-24 | 京博农化科技有限公司 | Novel calcium-magnesium-silicon granular fertilizer and preparation method thereof |
CN111937704A (en) * | 2020-08-28 | 2020-11-17 | 西昌学院 | Potato planting method for high-altitude areas |
CN111937704B (en) * | 2020-08-28 | 2022-01-25 | 西昌学院 | Potato planting method for high-altitude areas |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104529573B (en) | Many effect ferment fertilizer that a kind of agricultural wastes make | |
CN101693641B (en) | Compound bio-fertilizer containing ardealite and application thereof | |
CN103274829B (en) | A kind of tomato Special compound microbial fertilizer and preparation method thereof | |
CN102875236B (en) | Total nutrient organic-inorganic compound fertilizer | |
CN105254452A (en) | Fertilizer for fruit trees and production method of fertilizer | |
CN104003779B (en) | A kind of organic compound fertilizer for rice material | |
CN103274841B (en) | Special composite microbial fertilizer for garlic and preparation method thereof | |
CN102643120A (en) | Preparation method of organic fertilizer | |
CN102010241A (en) | Enzyme microbial organic fertilizer and preparation method thereof | |
CN103787764A (en) | Biological all-element fertilizer and preparation method thereof | |
CN101475809A (en) | Soil conditioner for lon-cultivated land of ginseng | |
CN104045401B (en) | A kind of tea tree compound fertilizer special containing tung oil | |
CN106588402A (en) | Green seedling cultivation and planting organic and inorganic compound fertilizer and preparation method thereof | |
CN103288542A (en) | Sweet osmanthus seedling culture medium and manufacturing method thereof | |
CN106007829B (en) | Organic selenium matrix for cultivating selenium-rich agaricus bisporus and preparation method thereof | |
CN107162855A (en) | A kind of nutrient matrix cultivated for flower plants and nursery stock and preparation method thereof | |
CN104193508A (en) | Method for preparing composite organic type environment-friendly seedling culture medium block | |
CN104276884A (en) | Rosa chinensis planting fertilizer prepared by oil residue fermentation and preparation method thereof | |
CN104311288A (en) | Eggplant nursery base fertilizer made from waste mattress material and preparation method of eggplant nursery base fertilizer | |
CN106631587A (en) | Special yield-increasing fertilizer for potatoes and preparation method thereof | |
CN106396972A (en) | Soilless culture solution and preparation method thereof | |
CN105967798A (en) | Balanced humic acid-containing alkaline liquid fertilizer and preparation method thereof | |
CN108658692A (en) | A kind of flowers organic composite fertilizer | |
CN105541450A (en) | Controlled release fertilizer and preparation method thereof | |
CN107197710A (en) | A kind of fruits and vegetables organic nutrient soil and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |