CN106187477A - A kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile and preparation method thereof - Google Patents
A kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile and preparation method thereof Download PDFInfo
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- CN106187477A CN106187477A CN201610546625.7A CN201610546625A CN106187477A CN 106187477 A CN106187477 A CN 106187477A CN 201610546625 A CN201610546625 A CN 201610546625A CN 106187477 A CN106187477 A CN 106187477A
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- gypsum fibrosum
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- 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
- 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
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- 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
- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to alkaline land improving technical field, especially a kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile, and the formula that described salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile is as follows: component meter by weight: desulfurated plaster 60 80 parts, bentonite 4 12 parts, feces of livestock and poultry 30 50 parts, calcium superphosphate 59 parts, 27 parts of potassium chloride, citric acid 7 12 parts, microorganism 0.4 1.2 parts, 36 parts of phosphate fertilizer, 25 parts of potash fertilizer, powder of straw 25 35 parts.Product is applied cattle manure or chicken manure and with the addition of appropriate phosphate fertilizer and potash fertilizer according to crop nutrition content demand rule, organic-inorganic combines, nutritive equilibrium, improve Soil structure, promote that soil colloid is formed, increase soil fertility, effectively reduce soil pH, add the survival rate of crop, can use with popularity.
Description
Technical field
The present invention relates to a kind of desulfurated plaster fertile, be specifically related to a kind of salt-soda soil Special desulfurizing Gypsum Fibrosum fertile.Meanwhile, the present invention
Further relate to the preparation method that a kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile.
Background technology
The middle-and-low-yielding fields of China about 8744.6 ten thousand hectares, salt-soda soil is that in middle-and-low-yielding fields, area is the widest, with the largest potentiality
Farmland, Saline area reaches 6,000,000 hectares, and wherein salt-soda soil, inland area is maximum, in northwest, northeast and the Yellow River
Trip area, accounts for the 69% of the whole nation.Improvement salt-soda soil is significant to Ensuring Food Safety.
At present, the technical measures that improvement salt-soda soil is conventional have hydraulic engineering measure, biological control measure, agronomic measures and chemistry to change
Good measure.Wherein the research of chemical modifying measure alkaline land improving technology at home and abroad is compared universal with application aspect, desulfurization stone
The materials such as cream, ardealite, sulfur, ferrous sulfate are improved materials conventional in the middle of research.Wherein, desulfurated plaster can utilize it
The exchangeable sodium ion on calcium ion displacement soil colloid contained, reduces the basicity of soil, improves the pore structure of soil
And physical property, improve the physical behavior of soil and the crumb structure of soil, reduce the pH value of soil it is considered to be inland is saline and alkaline
The excellent chemical improvement material of ground improvement.Many alkaline land modifying agent patents refer to the application of desulfurated plaster.Such as, patent
" application of soil conditioner " (CN103013530A) discloses a kind of saline-alkali land soil conditioner, is mainly characterized by 2000-
The desulfurated plaster cooperation of 3000kg/ mu is a certain proportion of inorganic and organic materials applies basic soil, reduces the pH value of soil, training
Fertile soil.Patent " a kind of saline-alkali soil conditioner " (CN103897705A) discloses a kind of saline-alkali soil conditioner, its feature
It is by mass fraction, desulfurated plaster, aluminum sulfate, carbamide and straw etc. to be manured into soil in proportion.
In above saline-alkali land soil conditioner patent, the application improved effect of desulfurated plaster is obvious, well solves soil
The problem that alkalescence is high.But desulfurated plaster application process is directly desulfurated plaster to be spread fertilizer over the fields to bury in patent.And in actual salt-soda soil
In the middle of improvement, peasant household's application desulfurated plaster is rarely found, and it is very poor that subject matter is exactly the physical property of desulfurated plaster, high humidity, in
Powder, it is impossible to mechanized operation, directly implements in field, owing to its amount ratio is relatively big, to need substantial amounts of artificial input, time-consuming
Take a lot of work, so being difficult to promote in the middle of producing.
Salt-soda soil, inland is in addition to the harm of salt ion, and fertility is low, available nutrient is barren is also to cause development of plants
Bad, affect the key factor of crop yield.To this end, at application desulfurated plaster in more existing alkaline land modifying agent patents
Also with the addition of nutritional labeling simultaneously.Such as: patent " a kind of alkaline land soil repair agent " (CN101417286A) discloses one
Alkaline land soil repair agent, it is mainly characterized by containing desulfurated plaster, natural organic substance, microorganism fertilizer and inorganic nutrients.
Patent " soil salinization modifying agent " (CN1487052A) discloses a kind of saline-alkali land soil conditioner, it is characterized by the addition of desulfurization
Gypsum Fibrosum, oxalic acid, phosphorus potassium and trace element.Alkaline land soil is fostered and apply fertilizer by the organic and inorganic constituents added in these publications
With the nutrient demand that plant growth provides necessity.But, patent is not mentioned the added kind of nutrition material and adds number
The foundation of amount.From the angle analysis of Plant Nutrition, crop should consider that to the demand of nutrient crop nutrition content absorbing rule is also wanted
Consider the supply rule of soil nutrient, be not to say that the kind applying nutrient is The more the better.Many simple mixtures of element are held together
Easily there is chemical reaction, cause the caking of fertilizer, antagonism can occur between some element in being manured into soil, reduce fertilizer efficiency.
Summary of the invention
It is an object of the invention to provide a kind of salt-soda soil Special desulfurizing Gypsum Fibrosum fertilizer and preparation method thereof, to solve soil plate
Knot, is not easily formed soil colloid and the highest problem of soil fertility.
For achieving the above object, the present invention provides following technical scheme:
A kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile, and the formula that described salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile is as follows: group by weight
Point meter: desulfurated plaster 60-80 part, bentonite 4-12 part, feces of livestock and poultry 30-50 part, calcium superphosphate 5-9 part, potassium chloride 2-7 part,
Citric acid 7-12 part, microorganism 0.4-1.2 part, phosphate fertilizer 3-6 part, potash fertilizer 2-5 part, powder of straw 25-35 part.
Preferably, described desulfurated plaster 65-75 part, bentonite 6-10 part, feces of livestock and poultry 35-45 part, calcium superphosphate 6-8
Part, potassium chloride 3-5 part, citric acid 8-11 part, microorganism 0.8-1.0 part, phosphate fertilizer 3-5 part, potash fertilizer 3-5 part, powder of straw 28-32
Part.
Preferably, described desulfurated plaster 70 parts, bentonite 8 parts, feces of livestock and poultry 40 parts, calcium superphosphate 7 parts, 4 parts of potassium chloride,
Citric acid 8 parts, microorganism 0.8 part, 5 parts of phosphate fertilizer, 4 parts of potash fertilizer, powder of straw 30 parts.
Preferably, described feces of livestock and poultry is cattle manure or chicken manure, and the moisture content of described feces of livestock and poultry is less than or equal to 10%.
The invention allows for the preparation method that a kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile, specifically include following steps:
S1, weigh desulfurated plaster 60-80 part, bentonite 4-12 part and feces of livestock and poultry 30-50 part and cross 60 mesh sieves, standby；
S2, will S1 sieve after feces of livestock and poultry 30-50 part and citric acid 7-12 part, microorganism 0.4-1.2 part and straw
Powder 25-35 part is after stirrer for mixing stirs, and become thoroughly decomposed at 25-40 DEG C fermentation 5-10d, standby；
S3, will S1 sieve after desulfurated plaster 60-80 part and bentonite 4-12 part and S2 in feces of livestock and poultry after fermentation
30-50 part and the mixture of citric acid 7-12 part, microorganism 0.4-1.2 part and powder of straw 25-35 part add the interior stirring of blender
30-45min, is subsequently adding calcium superphosphate 5-9 part, potassium chloride 2-7 part, phosphate fertilizer 3-6 part and potash fertilizer 2-5 part, and add water continuation stirring
Become thick to mixture；
In S4, the mixture addition comminutor that will stir in S3, it is fertile that extruder grain prepares desulfurated plaster；
S5, by after pelletize in S4 desulfurated plaster fertilizer drying machine cold wind dry to moisture content at 8%-10%, then fill
Bag.
Preferably, in S2 and S3, described blender is double-screw agitator.
Preferably, in S4, described comminutor is that the granule after pelletize is straight to roller Squeezinggranulator or granulating disc
Footpath is 3-5mm.
Preferably, in S5, the drying temperature in dehydrator is 20-35 DEG C.
A kind of salt-soda soil Special desulfurizing Gypsum Fibrosum fertilizer that the present invention provides and preparation method thereof, compared with prior art, passes through
Desulfurated plaster and bentonite are mixed with citric acid, microorganism and powder of straw with the feces of livestock and poultry after fermentation so that desulfurated plaster
Fertile fertilizer efficiency is more preferable, easily facilitates plant absorption so that the upgrowth situation of plant is more preferable, by add calcium superphosphate, potassium chloride,
Phosphate fertilizer and potash fertilizer, it is possible to meet the nutrient needed for plant growing, be effectively improved the yield of crops, meanwhile, this desulfurization stone
In cream fertilizer, the dispersibility of desulfurated plaster is strong, and granulating rate is low, adds calcium superphosphate, utilize citric acid and animal wastes conduct in product
Adhesive material, and add a certain amount of bentonite (the aqueous clay pit based on montmorillonite), improve the one-tenth of desulfurated plaster
Grain rate and pellet hardness, granulating rate can reach 80～85%, it is simple to transport and mechanization are used, and produces for enterprise scale and provides
Good production technology, applies cattle manure or chicken manure and with the addition of appropriate phosphate fertilizer according to crop nutrition content demand rule in product
And potash fertilizer, organic-inorganic combines, nutritive equilibrium, improves Soil structure, promotes that soil colloid is formed, increases soil fertility, have
Effect reduces soil pH, adds the survival rate of crop, can use with popularity.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile, and the formula that described salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile is as follows: group by weight
Divide and count: desulfurated plaster 60 parts, bentonite 4 parts, feces of livestock and poultry 30 parts, calcium superphosphate 5 parts, 2 parts of potassium chloride, citric acid 7 parts, micro-life
Thing 0.4 part, 3 parts of phosphate fertilizer, 2 parts of potash fertilizer, powder of straw 25 parts.
Present invention also offers a kind of salt-soda soil Special desulfurizing Gypsum Fibrosum fertile and preparation method thereof, specifically include following steps:
S1, weigh desulfurated plaster 60 parts, bentonite 4 parts and 30 parts of mistake 60 mesh sieves of feces of livestock and poultry, standby；
S2, will S1 sieve after feces of livestock and poultry 30 parts stirring with citric acid 7 parts, microorganism 0.4 part and powder of straw 25 parts
Mixing in machine after mixing and stirring, become thoroughly decomposed at 25-40 DEG C fermentation 5-10d, standby；
S3, will S1 sieve after desulfurated plaster 60 parts and bentonite 4 parts and S2 in feces of livestock and poultry 30 parts after fermentation with
The mixture of citric acid 7 parts, microorganism 0.4 part and powder of straw 25 parts adds stirring 30-45min in blender, is subsequently adding
5 parts of calcium phosphate, 2 parts of potassium chloride, 3 parts of phosphate fertilizer and 2 parts of potash fertilizer, the continuation stirring that adds water becomes thick to mixture；
In S4, the mixture addition comminutor that will stir in S3, it is fertile that extruder grain prepares desulfurated plaster, after pelletize
Particle diameter is 3-5mm；
S5, by the desulfurated plaster fertilizer drying machine after pelletize in S4 at a temperature of 20-35 DEG C cold wind dry to moisture content
At 8%-10%, then pack.
Embodiment 2
A kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile, and the formula that described salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile is as follows: group by weight
Point meter: desulfurated plaster 80 parts, bentonite 12 parts, feces of livestock and poultry 50 parts, calcium superphosphate 9 parts, 7 parts of potassium chloride, citric acid 12 parts, micro-
Biology 1.2 parts, 6 parts of phosphate fertilizer, 5 parts of potash fertilizer, powder of straw 35 parts.
Present invention also offers the preparation method that a kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile, specifically include following steps:
S1, weigh desulfurated plaster 80 parts, bentonite 12 parts and 50 parts of mistake 60 mesh sieves of feces of livestock and poultry, standby；
S2, will S1 sieve after feces of livestock and poultry 50 parts stirring with citric acid 12 parts, microorganism 1.2 parts and powder of straw 35 parts
Mixing in machine after mixing and stirring, become thoroughly decomposed at 25-40 DEG C fermentation 5-10d, standby；
S3, will S1 sieve after desulfurated plaster 80 parts and bentonite 12 parts and S2 in feces of livestock and poultry 50 parts after fermentation with
The mixture of citric acid 12 parts, microorganism 1.2 parts and powder of straw 35 parts adds stirring 30-45min in blender, is subsequently adding
9 parts of calcium phosphate, 7 parts of potassium chloride, 6 parts of phosphate fertilizer and 5 parts of potash fertilizer, the continuation stirring that adds water becomes thick to mixture；
In S4, the mixture addition comminutor that will stir in S3, it is fertile that extruder grain prepares desulfurated plaster, after pelletize
Particle diameter is 3-5mm；
S5, by the desulfurated plaster fertilizer drying machine after pelletize in S4 at a temperature of 20-35 DEG C cold wind dry to moisture content
At 8%-10%, then pack.
Embodiment 3
A kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile, and the formula that described salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile is as follows: group by weight
Divide and count: desulfurated plaster 70 parts, bentonite 8 parts, feces of livestock and poultry 40 parts, calcium superphosphate 7 parts, 5 parts of potassium chloride, citric acid 9 parts, micro-life
Thing 1.0 parts, 4 parts of phosphate fertilizer, 3 parts of potash fertilizer, powder of straw 28 parts.
Present invention also offers the preparation method that a kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile, specifically include following steps:
S1, weigh desulfurated plaster 70 parts, bentonite 8 parts and 40 parts of mistake 60 mesh sieves of feces of livestock and poultry, standby；
S2, will S1 sieve after feces of livestock and poultry 40 parts stirring with citric acid 9 parts, microorganism 1.0 parts and powder of straw 28 parts
Mixing in machine after mixing and stirring, become thoroughly decomposed at 25-40 DEG C fermentation 5-10d, standby；
S3, will S1 sieve after desulfurated plaster 70 parts and bentonite 8 parts and S2 in feces of livestock and poultry 40 parts after fermentation with
The mixture of citric acid 9 parts, microorganism 1.0 parts and powder of straw 28 parts adds stirring 30-45min in blender, is subsequently adding
7 parts of calcium phosphate, 5 parts of potassium chloride, 4 parts of phosphate fertilizer and 3 parts of potash fertilizer, the continuation stirring that adds water becomes thick to mixture；
In S4, the mixture addition comminutor that will stir in S3, it is fertile that extruder grain prepares desulfurated plaster, after pelletize
Particle diameter is 3-5mm；
S5, by the desulfurated plaster fertilizer drying machine after pelletize in S4 at a temperature of 20-35 DEG C cold wind dry to moisture content
At 8%-10%, then pack.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent,
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (8)
1. a salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile, it is characterised in that: the formula that described salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile is as follows:
Component meter by weight: desulfurated plaster 60-80 part, bentonite 4-12 part, feces of livestock and poultry 30-50 part, calcium superphosphate 5-9 part, chlorination
Potassium 2-7 part, citric acid 7-12 part, microorganism 0.4-1.2 part, phosphate fertilizer 3-6 part, potash fertilizer 2-5 part, powder of straw 25-35 part.
A kind of salt-soda soil the most according to claim 1 Special desulfurizing Gypsum Fibrosum is fertile, it is characterised in that: described desulfurated plaster 65-
75 parts, bentonite 6-10 part, feces of livestock and poultry 35-45 part, calcium superphosphate 6-8 part, potassium chloride 3-5 part, citric acid 8-11 part, micro-life
Thing 0.8-1.0 part, phosphate fertilizer 3-5 part, potash fertilizer 3-5 part, powder of straw 28-32 part.
A kind of salt-soda soil the most according to claim 1 Special desulfurizing Gypsum Fibrosum is fertile, it is characterised in that: described desulfurated plaster 70
Part, bentonite 8 parts, feces of livestock and poultry 40 parts, calcium superphosphate 7 parts, 4 parts of potassium chloride, citric acid 8 parts, microorganism 0.8 part, phosphate fertilizer 5
Part, 4 parts of potash fertilizer, powder of straw 30 parts.
A kind of salt-soda soil the most according to claim 1 Special desulfurizing Gypsum Fibrosum is fertile, it is characterised in that: described feces of livestock and poultry is cattle
Excrement or chicken manure, the moisture content of described feces of livestock and poultry is less than or equal to 10%.
5. the preparation method that salt-soda soil Special desulfurizing Gypsum Fibrosum described in a claim 1 is fertile, it is characterised in that: specifically include with
Lower step:
S1, weigh desulfurated plaster 60-80 part, bentonite 4-12 part and feces of livestock and poultry 30-50 part and cross 60 mesh sieves, standby；
S2, will S1 sieve after feces of livestock and poultry 30-50 part and citric acid 7-12 part, microorganism 0.4-1.2 part and powder of straw 25-
35 parts after stirrer for mixing stirs, become thoroughly decomposed at 25-40 DEG C fermentation 5-10d, standby；
S3, will S1 sieve after desulfurated plaster 60-80 part and bentonite 4-12 part and S2 in feces of livestock and poultry 30-50 after fermentation
Part adds blender interior stirring 30-with the mixture of citric acid 7-12 part, microorganism 0.4-1.2 part and powder of straw 25-35 part
45min, is subsequently adding calcium superphosphate 5-9 part, potassium chloride 2-7 part, phosphate fertilizer 3-6 part and potash fertilizer 2-5 part, and the continuation stirring that adds water is to mixed
Compound becomes thick；
In S4, the mixture addition comminutor that will stir in S3, it is fertile that extruder grain prepares desulfurated plaster；
S5, by after pelletize in S4 desulfurated plaster fertilizer drying machine cold wind dry to moisture content at 8%-10%, then pack.
The preparation method that a kind of salt-soda soil the most according to claim 5 Special desulfurizing Gypsum Fibrosum is fertile, it is characterised in that: at S2 and
In S3, described blender is double-screw agitator.
The preparation method that a kind of salt-soda soil the most according to claim 5 Special desulfurizing Gypsum Fibrosum is fertile, it is characterised in that: at S4
In, described comminutor is to roller Squeezinggranulator or granulating disc, and the particle diameter after pelletize is 3-5mm.
The preparation method that a kind of salt-soda soil the most according to claim 5 Special desulfurizing Gypsum Fibrosum is fertile, it is characterised in that: at S5
In, the drying temperature in dehydrator is 20-35 DEG C.
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| CN201610546625.7A CN106187477A (en) | 2016-07-12 | 2016-07-12 | A kind of salt-soda soil Special desulfurizing Gypsum Fibrosum is fertile and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879839A (en) * | 2017-11-14 | 2018-04-06 | 潍坊友容实业有限公司 | Salt-soda soil fertilizer based on coal-fired flue gas desulfurization gypsum and flyash and preparation method thereof |
| CN108101711A (en) * | 2018-02-02 | 2018-06-01 | 王永利 | Organic composite fertilizer containing astragalus waste ingredient and preparation method thereof |
| CN108863638A (en) * | 2017-05-16 | 2018-11-23 | 内蒙古和源生态科技有限公司 | A kind of salt-soda soil biomass soil conditioner |
| CN110156534A (en) * | 2019-05-31 | 2019-08-23 | 清华大学 | A kind of liquid desulfurized gypsum improvement saline-alkali soil synergist and its preparation |
| CN111548219A (en) * | 2020-05-12 | 2020-08-18 | 东营蓝海生态养殖有限公司 | Special desulfurization gypsum fertilizer for saline-alkali soil and preparation method thereof |
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| CN104355943A (en) * | 2014-11-12 | 2015-02-18 | 山西省农业科学院农业环境与资源研究所 | Special saline-alkali-soil improvement fertilizer prepared by modification with flue gas desulfurization gypsum and preparation method thereof |
| CN104560052A (en) * | 2013-10-23 | 2015-04-29 | 赵明贵 | Improving and conditioning agent for soil of saline-alkali farmlands |
| CN105439775A (en) * | 2015-12-29 | 2016-03-30 | 北京瑞昊金生源农业工程技术集团有限公司 | Specific fertilizer for saline-alkali soil and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104560052A (en) * | 2013-10-23 | 2015-04-29 | 赵明贵 | Improving and conditioning agent for soil of saline-alkali farmlands |
| CN104355943A (en) * | 2014-11-12 | 2015-02-18 | 山西省农业科学院农业环境与资源研究所 | Special saline-alkali-soil improvement fertilizer prepared by modification with flue gas desulfurization gypsum and preparation method thereof |
| CN105439775A (en) * | 2015-12-29 | 2016-03-30 | 北京瑞昊金生源农业工程技术集团有限公司 | Specific fertilizer for saline-alkali soil and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108863638A (en) * | 2017-05-16 | 2018-11-23 | 内蒙古和源生态科技有限公司 | A kind of salt-soda soil biomass soil conditioner |
| CN107879839A (en) * | 2017-11-14 | 2018-04-06 | 潍坊友容实业有限公司 | Salt-soda soil fertilizer based on coal-fired flue gas desulfurization gypsum and flyash and preparation method thereof |
| CN108101711A (en) * | 2018-02-02 | 2018-06-01 | 王永利 | Organic composite fertilizer containing astragalus waste ingredient and preparation method thereof |
| CN110156534A (en) * | 2019-05-31 | 2019-08-23 | 清华大学 | A kind of liquid desulfurized gypsum improvement saline-alkali soil synergist and its preparation |
| CN110156534B (en) * | 2019-05-31 | 2021-10-22 | 清华大学 | Liquid desulfurized gypsum improved saline-alkali soil synergist and preparation thereof |
| CN111548219A (en) * | 2020-05-12 | 2020-08-18 | 东营蓝海生态养殖有限公司 | Special desulfurization gypsum fertilizer for saline-alkali soil and preparation method thereof |
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Application publication date: 20161207 |