CN106396867A - Humic acid slow release fertilizer suitable for long-term improvement of secondary salinization land - Google Patents
Humic acid slow release fertilizer suitable for long-term improvement of secondary salinization land Download PDFInfo
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- CN106396867A CN106396867A CN201610749999.9A CN201610749999A CN106396867A CN 106396867 A CN106396867 A CN 106396867A CN 201610749999 A CN201610749999 A CN 201610749999A CN 106396867 A CN106396867 A CN 106396867A
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- humic acid
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
Abstract
The invention discloses a humic acid slow release fertilizer suitable for long-term improvement of secondary salinization land. The humic acid slow release fertilizer comprises, by mass, 120-180 parts of crop wastes, 250-400 parts of humic acid, 160-200 parts of urea, 120-160 parts of nanometer calcium carbonate, 80-120 parts of mineral slag, 30-60 parts of high viscosity attapulgite clay powder, 8-20 parts of Azotobacter chroococcum, 800-1200 parts of a binder and 10-14 parts of a microbial fermentation agent. The above scientific and reasonable formula of the humic acid slow release fertilizer suitable for long-term improvement of secondary salinization land is obtained through a large amount of experiment researches carried out by the applicant, and the humic acid slow release fertilizer has fertilizing effect slow release and water retention functions, provides nutrient components needed by growth of plants, keeps no loss of nutrient components in a powdery saline and alkaline land water retention slow release fertilizer, and is in favor of realizing normal growth of the plants.
Description
Technical field
The present invention relates to a kind of be applied to the long-term humic acid slow-release fertilizer improveing secondary salinization of land.
Background technology
Pedotransfer function, also known as " secondary salinization ", refers to due to the mankind's irrational farming irrigation practice and vegetation
Change and the cultivated land that makes becomes the process of " salination ".Occur mainly in China the North China Plain, pine the Liao Dynasty Plain, the river bend
The ground such as Plain, Weihe Plain.The formation of Secondary Saline mainly has three aspect reasons：One is that agricultural drain system is obstructed, greatly
Amount diversion irrigation has raised level of ground water, increased speed and the groundwater evaporation that underground water is moved upwards by soil capillary
Amount, thus increased salinity in underground water and lower floor's soil body accumulating to top layer, two is that irrational irrigation destroys original soil
Earth salt solution balances, and three is irrational agricultural production measure, and the destruction of vegetation exacerbates topsoil moisture evaporation, causes
Alkali is amassed on top layer.Under conditions of soil evaporation capacity is far longer than precipitation, cause the salinization of soil, make original becoming well
Salt-soda soil.Recently as the raising of Agricultural Mechanization Degree, extensive, and the increase of fertilizer application amount of cultivation management, organic
Fertilizers input reduces, and the area of Secondary Saline has the trend expanding year by year, becomes big alkali class by little alkali class originally, and big alkali class becomes
Become large stretch of alkali.
The salinization of soil is larger to soil physico-chemical property destruction ratio, and pole is unfavorable for the growth of many crops, easily causes work
Thing is short of seedling or dead, thus hindering the development of agricultural economy.Salt-soda soil is many due to salt content, and organic quality is few, and acid-base value is high, makes
Agron suffers leaching loss, and soil texture is destroyed, glutinous when showing as wet, and hard when dry, native table often has white salinity accumulation,
Ventilation, permeable bad, serious meeting causes plant wilt, poisoning and rotten death.In addition, surface soil alkalinity is too big, have influence on soil
The validity of the nutrients such as the phosphorus in earth, iron, manganese, boron, zinc, easily causes a large amount of nitrogen, phosphorus, potassium essential element and iron, calcium, boron
Shortage Deng trace element.
Slow release fertilizer, also known as slow-release fertilizer, is class fertilizer new varieties developed in recent years, and this kind of fertilizer can replace
The partial function of organic fertilizer, reduces the loss of nutrient in fertilizer, improves fertilizer efficiency, weakens the pollution to soil for the fertilizer.Slow-release fertilizer
Material is main to include coated fertilizer and low solubility fertilizer.Coated fertilizer is to improve the function of fertilizer or performance, in its particle
Surface is coated with one layer and has the fertilizer that microporous hydrophobic indissoluble film is made, using coating pore size, chemistry or biological decomposition
To control nutrient releasing speed.Low solubility slow release fertilizer can use plain disk or drum granulating equipment making, production process
Low cost, fertilizer price is low, but low solubility slow release fertilizer controlled release properties are poor, and how not ideal enough the slow release effect of fertilizer is.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of humic acid sustained release being applied to long-term improvement secondary salinization of land
Fertilizer, it can have slow release fertilizer efficiency and water retaining function, is provided that nutrient content necessary to plant growth, keeps powdery salt
Nutrient content in alkali ground the fertilizer of retaining water and releasing nutrients slowly does not run off.
A kind of be applied to the long-term humic acid slow-release fertilizer improveing secondary salinization of land, its according to the mass fraction, its composition of raw materials
As follows：
120～180 parts of wastes of crops, 250～400 parts of humic acid, 160～200 parts of urea, nano-calcium carbonate 120～
160 parts, 80～120 parts of slag, 30～60 parts of high viscous Concave-convex clay rod powder, 8～20 parts of azotobacter chroococcum, binding agent 800～
1200 parts, 10～14 parts of microbial fermentation inoculum；
Wherein, described binding agent includes according to the mass fraction：4～6 parts of polyvinyl alcohol, 1～3 part of gelatinized starch, phosphorus stone
2～3 parts of cream, 1～2 part of ammonium sulfate, 1～2 part of sodium chloride, 0.7～0.9 part of prodan, 2～4 parts of potassium chloride, high hydroscopic resin
0.4～0.6 part.
Further, according to the mass fraction, its composition of raw materials is as follows：
140～160 parts of wastes of crops, 300～400 parts of humic acid, 160～180 parts of urea, nano-calcium carbonate 120～
150 parts, 85～95 parts of slag, 30～45 parts of high viscous Concave-convex clay rod powder, 10～20 parts of azotobacter chroococcum, water 850～950
Part, 10～13 parts of microbial fermentation inoculum.
Further, according to the mass fraction, its composition of raw materials is as follows：
150 parts of wastes of crops, 320 parts of humic acid, 180 parts of urea, 140 parts of nano-calcium carbonate, 90 parts of slag, height are viscous recessed
Convex 40 parts of stone clay powder of rod, 14 parts of azotobacter chroococcum, 900 parts of water, 13 parts of microbial fermentation inoculum.
Further, described microbial fermentation inoculum includes 15 parts of bacillus, P. aeruginosa according to the mass fraction
26 parts of bacterium, 10 parts of Paracoccus denitrificans, 12 parts of Candida lipolytica, 8～10 parts of Rhodococcus sp, 5～8 parts of Pseudomonas stutzeri.
Further, the bacillus in described microbial fermentation inoculum be Bacillus cercus, bacillus subtilis,
Fixed nitrogen bacillus megaterium, bacillus licheniformis are 1 according to mass ratio:5:8:3 mixture.
Further, described wastes of crops is 5 by stalk, sugarcane, cassava, leaf, peanut shell according to mass ratio:3～
4:1：2：The mixture of composition after 1 pulverizing.
High viscous Concave-convex clay rod is the clay mineral of zeopan containing Shuifu County of a kind of layer of chain structure, high viscous concave convex rod
Stone clay soil property is fine and smooth, and water imbibition is strong, has higher viscosity and plasticity, be conducive to Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly former when wet
Bonding between material, and can adsorb on the surface of Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly raw material, make Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly
Effective ingredient slowly discharged, keep Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly in nutrient content do not run off, be conducive to plant
Normal growth develop.
Ammonium sulfate is physiological acidic fertilizer, and after the ammonium in fertilizer is absorbed by plants, the sulfate radical of residual can reduce soil
Alkalescence, because nitrogen easily runs off, the ammonium sulfate of the present invention can reduce nitrogen well, improves the conversion of soil conditioner
Efficiency, thus soil conditioner service efficiency is high.
Up to even thousands of times of the hundreds times of own wt, the present invention selects super absorbent resin to the water absorbent rate of high hydroscopic resin
Grain fineness≤0.149 millimeter of fat, water absorbent rate is 100～300 times, and high hydroscopic resin can play good water conservation effect
Really, and soil particle can be made to flocculate into the larger particles of pea grain size, permeability and the water conservation of soil are increased further
Nutrient preserving capability.
The present invention adds binding agent in soil improvement conditioner, and binding agent can not only make conditioner more preferable and saline and alkaline
Ground soil merges, it is to avoid volatilization, plays and persistently arrives fertilizer conservation effect, and can increase the fertility of soil, is that soil increases
Plus various necessary trace element.In the presence of binding agent, coating that slag forms densification in urea surface, that there is hole
Layer, urea is gradually released in soil by the hole of described coating layer surface, supplies plant growth, reaches the effect of sustained release.
After fertilizer release finishes, slag and binding agent all can crush when carrying out soil cultivating, thus not the bad shadow to soil reclamation
Ring.
The humic acid that the present invention provides, substantially, salt discharge rate is 97.3-98.6%, humic acid and nano-calcium carbonate to salt discharge effect
Calcium phase interaction forms the gelinite of flocculent deposit, and it can make soil particle be changed into water conservation one by one soil cementation together
The little reservoir of fertilizer conservation and fertilizer storehouse, increased interstices of soil, thus improve soil water-retaining, fertilizer-preserving ability；Nano-calcium carbonate simultaneously
Calcium being capable of chesson, it is to avoid soil compaction；Humic acid is required to control in the scope of the present invention with the number of nano-calcium carbonate
Interior, and ratio is combined the portion rate of the present invention；Excessive nano-calcium carbonate can cause ASI systematic approach to reduce, and soil property is excessively thin
Pine, is difficult to preserve soil moisture；And the amount of nano-calcium carbonate is crossed that I haven't seen you for ages and caused to be reduced with the combination degree of humic acid, lead to soil water-retaining, guarantor
Fertile less able.
Present invention applicant passes through lot of experiments, obtains scientific and reasonable being applied to and improves secondary salinization of land for a long time
Humic acid is sustained fertilizer formula, has slow release fertilizer efficiency and water retaining function, is provided that nutrient content necessary to plant growth, protects
The nutrient content held in Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly does not run off, and is conducive to the normal growth of plant to develop, is a kind of nutrition
Composition is complete, fertilizer efficiency is high, the salt-soda soil the fertilizer of retaining water and releasing nutrients slowly of nontoxic, harmless, odorless and water conservation time length.The present invention is in binding agent
Middle addition polyvinyl alcohol, the surface of the coating layer obtaining is not in the defects such as hole or crack, thus improve slow-release fertilizer
Sustained release performance.The present invention is fertile for coating layer raw material for preparing slow-release with slag and binding agent, can be beneficial in effectively utilizes slag
Element, provides required trace element for plant growth, avoids slag simultaneously and stacks or abandon the environmental pollution bringing and money
Source wastes.
Specific embodiment
Hereinafter the preferred embodiments of the present invention are illustrated it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
A kind of humic acid slow-release fertilizer being applied to long-term improvement secondary salinization of land, according to the mass fraction, its composition of raw materials is such as
Under：
120 parts of wastes of crops, 400 parts of humic acid, 160 parts of urea, 120 parts of nano-calcium carbonate, 80 parts of slag, height are viscous recessed
Convex 60 parts of stone clay powder of rod, 20 parts of azotobacter chroococcum, 1200 parts of binding agent, 14 parts of microbial fermentation inoculum
Wherein, described binding agent includes according to the mass fraction：4 parts of polyvinyl alcohol, 3 parts of gelatinized starch, 2 parts of ardealite,
1 part of ammonium sulfate, 1 part of sodium chloride, 0.7 part of prodan, 2 parts of potassium chloride, 0.4 part of high hydroscopic resin.
Wherein, wastes of crops is 5 by stalk, bagasse, manioc waste, leaf, peanut shell according to mass ratio:3:1：2：1
The mixture of composition；
Wherein, microbial fermentation inoculum includes 15 parts of bacillus, 26 parts of pseudomonas aeruginosa, denitrogenation according to the mass fraction
10 parts of secondary coccus, 12 parts of Candida lipolytica, 10 parts of Rhodococcus sp, 5 parts of Pseudomonas stutzeri.
Embodiment 2
A kind of humic acid slow-release fertilizer being applied to long-term improvement secondary salinization of land, according to the mass fraction, its composition of raw materials is such as
Under：
180 parts of wastes of crops, 250 parts of humic acid, 200 parts of urea, 160 parts of nano-calcium carbonate, 120 parts of slag, height are viscous
30 parts of Concave-convex clay rod powder, 8 parts of azotobacter chroococcum, 800 parts of binding agent, 10 parts of microbial fermentation inoculum；Wherein, described viscous
Knot agent includes according to the mass fraction：4 parts of polyvinyl alcohol, 1 part of gelatinized starch, 2 parts of ardealite, 1 part of ammonium sulfate, 1 part of sodium chloride, fluorine
0.7 part of sodium metasilicate, 2 parts of potassium chloride, 0.4 part of high hydroscopic resin.
Wherein, microbial fermentation inoculum includes 15 parts of bacillus, 26 parts of pseudomonas aeruginosa, denitrogenation according to the mass fraction
10 parts of secondary coccus, 12 parts of Candida lipolytica, 8 parts of Rhodococcus sp, 8 parts of Pseudomonas stutzeri.
Embodiment 3
A kind of humic acid slow-release fertilizer being applied to long-term improvement secondary salinization of land, according to the mass fraction, its composition of raw materials is such as
Under：
140 parts of wastes of crops, 300 parts of humic acid, 160 parts of urea, 120 parts of nano-calcium carbonate, 85 parts of slag, height are viscous recessed
Convex 30 parts of stone clay powder of rod, 10 parts of azotobacter chroococcum, 850 parts of binding agent, 10 parts of microbial fermentation inoculum；Wherein, described viscous
Knot agent includes according to the mass fraction：4 parts of polyvinyl alcohol, 1 part of gelatinized starch, 2 parts of ardealite, 1 part of ammonium sulfate, 1 part of sodium chloride, fluorine
0.7 part of sodium metasilicate, 2 parts of potassium chloride, 0.4 part of high hydroscopic resin.
Wherein, microbial fermentation inoculum includes 15 parts of bacillus, 26 parts of pseudomonas aeruginosa, denitrogenation according to the mass fraction
10 parts of secondary coccus, 12 parts of Candida lipolytica, 10 parts of Rhodococcus sp, 5 parts of Pseudomonas stutzeri.
Embodiment 4
A kind of humic acid slow-release fertilizer being applied to long-term improvement secondary salinization of land, according to the mass fraction, its composition of raw materials is such as
Under：
160 parts of wastes of crops, 400 parts of humic acid, 180 parts of urea, 150 parts of nano-calcium carbonate, 95 parts of slag, height are viscous recessed
Convex 45 parts of stone clay powder of rod, 20 parts of azotobacter chroococcum, 950 parts of binding agent, 13 parts of microbial fermentation inoculum；Wherein, described viscous
Knot agent includes according to the mass fraction：4 parts of polyvinyl alcohol, 1 part of gelatinized starch, 2 parts of ardealite, 1 part of ammonium sulfate, 1 part of sodium chloride, fluorine
0.7 part of sodium metasilicate, 2 parts of potassium chloride, 0.4 part of high hydroscopic resin.
Wherein, wastes of crops is 5 by stalk, bagasse, manioc waste, leaf, peanut shell according to mass ratio:4:1：2：1
The mixture of composition；
Wherein, microbial fermentation inoculum includes 15 parts of bacillus, 26 parts of pseudomonas aeruginosa, denitrogenation according to the mass fraction
10 parts of secondary coccus, 12 parts of Candida lipolytica, 8 parts of Rhodococcus sp, 8 parts of Pseudomonas stutzeri.
Embodiment 5
A kind of humic acid slow-release fertilizer being applied to long-term improvement secondary salinization of land, according to the mass fraction, its composition of raw materials is such as
Under：
150 parts of wastes of crops, 320 parts of humic acid, 180 parts of urea, 140 parts of nano-calcium carbonate, 90 parts of slag, height are viscous recessed
Convex 40 parts of stone clay powder of rod, 14 parts of azotobacter chroococcum, 900 parts of binding agent, 13 parts of microbial fermentation inoculum；Wherein, described viscous
Knot agent includes according to the mass fraction：4 parts of polyvinyl alcohol, 1 part of gelatinized starch, 2 parts of ardealite, 1 part of ammonium sulfate, 1 part of sodium chloride, fluorine
0.7 part of sodium metasilicate, 2 parts of potassium chloride, 0.4 part of high hydroscopic resin.
Wherein, wastes of crops is 5 by stalk, bagasse, manioc waste, leaf, peanut shell according to mass ratio:3.5:1：2：
The mixture of 1 composition；
Wherein, microbial fermentation inoculum includes 15 parts of bacillus, 26 parts of pseudomonas aeruginosa, denitrogenation according to the mass fraction
10 parts of secondary coccus, 12 parts of Candida lipolytica, 10 parts of Rhodococcus sp, 5 parts of Pseudomonas stutzeri.
Present invention applicant passes through lot of experiments, obtains scientific and reasonable being applied to and improves secondary salinization of land for a long time
Humic acid is sustained fertilizer formula, has slow release fertilizer efficiency and water retaining function, is provided that nutrient content necessary to plant growth, protects
The nutrient content held in Powdery saline-alkali soil the fertilizer of retaining water and releasing nutrients slowly does not run off, and is conducive to the normal growth of plant to develop, is a kind of nutrition
Composition is complete, fertilizer efficiency is high, the salt-soda soil the fertilizer of retaining water and releasing nutrients slowly of nontoxic, harmless, odorless and water conservation time length.The present invention is in binding agent
Middle addition polyvinyl alcohol, the surface of the coating layer obtaining is not in the defects such as hole or crack, thus improve slow-release fertilizer
Sustained release performance.The present invention is fertile for coating layer raw material for preparing slow-release with slag and binding agent, can be beneficial in effectively utilizes slag
Element, provides required trace element for plant growth, avoids slag simultaneously and stacks or abandon the environmental pollution bringing and money
Source wastes.
Finally it should be noted that：The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics.
All any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in the present invention's
Within protection domain.
Claims (6)
1. it is characterised in that according to the mass fraction, it is former for a kind of humic acid slow-release fertilizer being applied to long-term improvement secondary salinization of land
Material formula is as follows：
120～180 parts of wastes of crops, 250～400 parts of humic acid, 160～200 parts of urea, nano-calcium carbonate 120～160
Part, 80～120 parts of slag, 30～60 parts of high viscous Concave-convex clay rod powder, 8～20 parts of azotobacter chroococcum, binding agent 800～1200
Part, 10～14 parts of microbial fermentation inoculum；
Wherein, described binding agent includes according to the mass fraction：4～6 parts of polyvinyl alcohol, 1～3 part of gelatinized starch, ardealite 2～
3 parts, 1～2 part of ammonium sulfate, 1～2 part of sodium chloride, 0.7～0.9 part of prodan, 2～4 parts of potassium chloride, high hydroscopic resin 0.4～
0.6 part.
2. it is applied to the humic acid slow-release fertilizer of long-term improvement secondary salinization of land as claimed in claim 1 it is characterised in that by matter
Amount number meter, its composition of raw materials is as follows：
140～160 parts of wastes of crops, 300～400 parts of humic acid, 160～180 parts of urea, nano-calcium carbonate 120～150
Part, 85～95 parts of slag, 30～45 parts of high viscous Concave-convex clay rod powder, 10～20 parts of azotobacter chroococcum, 850～950 parts of water, micro-
10～13 parts of bio-fermentation agents.
3. it is applied to the humic acid slow-release fertilizer of long-term improvement secondary salinization of land as claimed in claim 2 it is characterised in that by matter
Amount number meter, its composition of raw materials is as follows：
150 parts of wastes of crops, 320 parts of humic acid, 180 parts of urea, 140 parts of nano-calcium carbonate, 90 parts of slag, high viscous concave convex rod
40 parts of stone clay powder, 14 parts of azotobacter chroococcum, 900 parts of water, 13 parts of microbial fermentation inoculum.
4. the humic acid slow-release fertilizer being applied to long-term improvement secondary salinization of land as described in any one of claim 1-3, its feature
It is, described microbial fermentation inoculum includes 15 parts of bacillus, 26 parts of pseudomonas aeruginosa, denitrogenation pair according to the mass fraction
10 parts of coccus, 12 parts of Candida lipolytica, 8～10 parts of Rhodococcus sp, 5～8 parts of Pseudomonas stutzeri.
5. it is applied to the humic acid slow-release fertilizer of long-term improvement secondary salinization of land as claimed in claim 4 it is characterised in that described
Microbial fermentation inoculum in bacillus be Bacillus cercus, bacillus subtilis, fixed nitrogen bacillus megaterium, lichens
Bacillus is 1 according to mass ratio:5:8:3 mixture.
6. the humic acid slow-release fertilizer being applied to long-term improvement secondary salinization of land as described in any one of claim 1-3, its feature
It is, described wastes of crops is 5 by stalk, sugarcane, cassava, leaf, peanut shell according to mass ratio:3～4:1：2：After 1 pulverizes
The mixture of composition.
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| CN201610749999.9A CN106396867A (en) | 2016-08-29 | 2016-08-29 | Humic acid slow release fertilizer suitable for long-term improvement of secondary salinization land |
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| CN201610749999.9A CN106396867A (en) | 2016-08-29 | 2016-08-29 | Humic acid slow release fertilizer suitable for long-term improvement of secondary salinization land |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285816A (en) * | 2017-08-17 | 2017-10-24 | 南通奥新电子科技有限公司 | Promote the method and its alkaline matrix using potassium titanate crystal whisker coated nano calcium carbonate |
| CN107873355A (en) * | 2017-10-18 | 2018-04-06 | 李玉晏 | A kind of breeding method of Chinese tallow tree |
| CN107986912A (en) * | 2017-12-20 | 2018-05-04 | 深圳市芭田生态工程股份有限公司 | A kind of salt resistance alkali fertilizer |
| CN109121523A (en) * | 2018-08-06 | 2019-01-04 | 江苏富达秸秆利用有限公司 | A method of for improveing soil secondary salinization |
| CN114766117A (en) * | 2022-04-27 | 2022-07-22 | 南京大学（苏州）高新技术研究院 | Cultivated land improver |
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| CN102898237A (en) * | 2012-10-22 | 2013-01-30 | 江苏花海农业科技有限公司 | Powdery saline-alkali soil water-retention slow-release fertilizer |
| CN104211479A (en) * | 2014-09-03 | 2014-12-17 | 山东聊城鲁西化工第五化肥有限公司 | Humic acid activated type compound fertilizer and production method thereof |
| CN105859489A (en) * | 2016-04-01 | 2016-08-17 | 山东胜伟园林科技有限公司 | Special compound fertilizer for saline-alkali soil and production method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101591543A (en) * | 2009-04-29 | 2009-12-02 | 新疆满疆红农资化肥科技有限公司 | A kind of preparation method of organic synergistic soil conditioner |
| CN102898237A (en) * | 2012-10-22 | 2013-01-30 | 江苏花海农业科技有限公司 | Powdery saline-alkali soil water-retention slow-release fertilizer |
| CN104211479A (en) * | 2014-09-03 | 2014-12-17 | 山东聊城鲁西化工第五化肥有限公司 | Humic acid activated type compound fertilizer and production method thereof |
| CN105859489A (en) * | 2016-04-01 | 2016-08-17 | 山东胜伟园林科技有限公司 | Special compound fertilizer for saline-alkali soil and production method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285816A (en) * | 2017-08-17 | 2017-10-24 | 南通奥新电子科技有限公司 | Promote the method and its alkaline matrix using potassium titanate crystal whisker coated nano calcium carbonate |
| CN107873355A (en) * | 2017-10-18 | 2018-04-06 | 李玉晏 | A kind of breeding method of Chinese tallow tree |
| CN107986912A (en) * | 2017-12-20 | 2018-05-04 | 深圳市芭田生态工程股份有限公司 | A kind of salt resistance alkali fertilizer |
| CN109121523A (en) * | 2018-08-06 | 2019-01-04 | 江苏富达秸秆利用有限公司 | A method of for improveing soil secondary salinization |
| CN114766117A (en) * | 2022-04-27 | 2022-07-22 | 南京大学（苏州）高新技术研究院 | Cultivated land improver |
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Application publication date: 20170215 |