CN104371738A - Saline-alkali soil conditioner and preparation method thereof - Google Patents
Saline-alkali soil conditioner and preparation method thereof Download PDFInfo
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- CN104371738A CN104371738A CN201410643562.8A CN201410643562A CN104371738A CN 104371738 A CN104371738 A CN 104371738A CN 201410643562 A CN201410643562 A CN 201410643562A CN 104371738 A CN104371738 A CN 104371738A
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- 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
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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
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- 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
- C09K2101/00—Agricultural use
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- 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
Abstract
The invention provides a saline-alkali soil conditioner. The saline-alkali soil conditioner is prepared from the following water-soluble components as raw materials: 3-13% of urea sulfate, 8-18% of organic acids, 2-8% of calcium superphosphate, 3-12% of polyaspartic acid compound and the balance of water. The raw materials are water-soluble components and are convenient to prepare and apply. The saline-alkali soil conditioner is reasonable and scientific in preparation, various components coordinate together such that hydrogen ions are quickly released, the alkalinity in the saline-alkali soil can be rapidly neutralized and the purpose of 'alkalinity reduction' is achieved; since the saline-alkali soil conditioner comprises both organic components and inorganic components, each component coordinates together, the content of activated sodium ions in the soil is reduced and the purpose of 'salt removal' is achieved; by the saline-alkali soil conditioner, the osmotic pressure of the saline-alkali land can be improved, the activity of an enzyme system in a plant is increased, the saline-alkali soil conditioner can be complexed with heavy metal ions in the saline-alkali soil so as to form high-molecular metal complexes and thus the pollution of heavy metals to the soil is reduced, the content of nitrogen, phosphorus and sulfur in the soil can be increased and the absorption of the plant to trace elements such as iron, zinc and manganese can be promoted.
Description
Technical field
The present invention relates to soil improvement field, in particular to a kind of saline-alkali soil conditioner and preparation method thereof.
Background technology
Soil is the valuable source that the mankind depend on for existence, but saline Land causes the destruction of resource, and the massive losses of agriculture production and the threat to biosphere and ecotope, show the harm of environment and economy two aspect.Salination process is normal with the association of Desertification Process phase in addition, even mutually promotes and mutually transforms, bring a series of environmental problem, the sustainable development of impact agricultural, and final life and the health affecting the mankind.And develop saltings and not only can bring more land under cultivation, increase yield per unit, thus improve total output of grain, alleviate crisis in food; And can green coverage be expanded, improvement ecotope, improves the life of people, brings economic benefit and environmental benefit.
Saltings is a kind of salt aggregation, and refer to that salinity contained inside soil has influence on the normal growth of crop, saltings is utilizing in the middle of process, briefly, can be divided into light saltings, moderate saline-alkali soil and heavy saline.Light saltings refers to that its seedling rate is at 70%-80%, and its saltiness is below 3/1000ths; Heavy saline refers to that its saltiness is more than 6/1000ths, and seedling rate is lower than 50%; This block middle is exactly that (be expressed as by pH value: slight alkaline land pH value is: 7.1-8.5, moderate saline-alkali soil pH value is moderate saline-alkali soil: 8.5-9.5, and heavy salinized ground pH value is: more than 9.5).At present along with the development of science and technology, should only not see disadvantageous one side, more it should be regarded as very precious land resources, because there are many biologies to comprise plant, comprise microorganism, can adapt to this environment, and increasing scientific worker is just putting into the enthusiasm of having one's bosom filled with among the work in improvement saltings, the work of administering saltings is bound to obtain final triumph.
According to UNESCO and food and agricultural organization's incomplete statistics, the area in saltings, the whole world is 9.5438 hundred million hectares, wherein China is 9,913 ten thousand hectares, for a long time, extensive and deep research has all been carried out in the domestic improvement to saline and alkaline soil, also improvement and the administering method in multiple saline and alkaline soil has been explored, these methods can be divided into physically improved method substantially, chemical modifying method, biological modification method and synthesis improvement method, although these methods all achieve certain achievement, but ubiquity engineering cost is high, improved effect is not obvious, can not durable applications, be difficult to the technical problems such as spread, therefore be necessary to work out one fast, efficiently, the saline-alkali soil conditioner of persistent.
In view of this, special proposition the present invention.
Summary of the invention
The object of the present invention is to provide the saline-alkali soil conditioner of a kind of environmental protection, economy, efficient, persistent, improvement and the improvement in various saltings can be adapted to, have raw material resources enrich, with low cost, be easy to the advantage that configures.
In order to realize above-mentioned purpose of the present invention, spy by the following technical solutions:
A kind of saline-alkali soil conditioner, by quality ratio, formulated by following water soluble ingredient: ureasulfuric acid 3-13%, organic acid 8-18%, calcium superphosphate 2-8%, poly aspartic acid compounds 3-12%, surplus is water.
The present invention is raw materials used is component soluble in water, is convenient to preparation and uses, reasonable ratio of the present invention, science, and each component is coordinated together, discharges hydrogen ion fast, the alkalescence during energy is rapid and in salt affected soil, thus realizes " falling alkali " object; The present invention had both comprised organic constituents and had also comprised inorganics component, each component is coordinated together, reduce the content activating sodium ion in soil, thus realize " desalination " object, the osmotic pressure in saltings can be improved, increase enzyme activity in plant materials, polymer-metal complex can be formed with the heavy metal ion in salt affected soil, reduce heavy metal to the pollution of soil, the content of Nitrogen In Soils, phosphorus, sulphur can be increased, can promote that farm crop are to absorption of trace elements such as iron, zinc, manganese.
Saline-alkali soil conditioner low cost of raw materials of the present invention, environmental protection, can not only realize falling alkali desalination to salt affected soil, the physico-chemical property of soil can also be improved, increase soil fertility, for plant root system development creates good growing environment, reach maintenance, improve the effect of soil.
Preferably, above-mentioned saline-alkali soil conditioner, by quality ratio, formulated by following water soluble ingredient: ureasulfuric acid 6-10%, organic acid 10-15%, calcium superphosphate 3-8%, poly aspartic acid compounds 7-10%, surplus is water.
Preferably, above-mentioned saline-alkali soil conditioner, by quality ratio, formulated by following water soluble ingredient: ureasulfuric acid 7-9%, organic acid 10-13%, calcium superphosphate 4-6%, poly aspartic acid compounds 7-9%, surplus is water.
Preferably, organic acid described in above-mentioned saline-alkali soil conditioner is low molecular weight organic acid.
Preferably, above-mentioned saline-alkali soil conditioner, described low molecular weight organic acid is oxysuccinic acid, citric acid, and in oxalic acid, any one, be preferably oxysuccinic acid.
The preferred low molecular weight organic acid of saline-alkali soil conditioner of the present invention, dissociate rapidly place a large amount of hydrionic while, also can provide a large amount of carboxyl, demonstrate stronger complexing action, and be the normocrinic material of root system of plant, can not the problems such as soil compaction be caused.
Oxysuccinic acid, citric acid, oxalic acid is non-volatile low molecular weight organic acid, it can be used as raw material of the present invention, effect has more advantage, and not volatile, water-soluble rear effective constituent is able to maximum reservation, wherein, in water, solubleness is maximum, and the oxysuccinic acid of stable in properties is best.
Preferably, above-mentioned saline-alkali soil conditioner, described poly aspartic acid compounds comprises poly aspartic acid, poly aspartic acid sodium salt, poly aspartic acid sylvite, and in poly aspartic acid ammonium salt, any one, be preferably poly aspartic acid.
Saline-alkali soil conditioner raw material of the present invention is all soluble in water, and the product be mixed with is aqua, after water dissolution mixing, discharges each raw material active principle, can enter in soil fast and play a role.
The preparation method of saline-alkali soil conditioner of the present invention, comprise, calcium superphosphate, poly aspartic acid compounds and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 0.5-1 hour, then add ureasulfuric acid and organic acid, stirring is warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 0.5-1 hour, finally, after inspection by sampling is qualified, carry out metering packing.
The standard of described inspection is: pH value is 2.0-3.0, water insoluble matter content <0.03g/L.
The application method of saline-alkali soil conditioner of the present invention, the usage quantity of saline-alkali soil conditioner is 0.5-10kg/ mu, and using method, for saline-alkali soil conditioner being added 100 times of weight water dilutions, joins after dilution in drip irrigation pipe to carry out dripping to soil and executes.
Compared with prior art, beneficial effect of the present invention is:
(1) salt affected soil is improved, improve soil physico-chemical characteristic, increase soil fertility, for plant root system development creates good growing environment, reach maintenance, improve the effect of soil, show as saltiness decline in soil, pH value declines, crop yield increases;
(2) product environment-protecting asepsis, cheap and easy to get, and save peasant's cost, increasing both production and income, produce huge society, economy and zoology benifit, development significance is great.
Embodiment
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting the scope of the invention.Unreceipted actual conditions person in embodiment, the condition of conveniently conditioned disjunction manufacturers suggestion is carried out.Agents useful for same or the unreceipted production firm person of instrument, be and can buy by commercially available the conventional products obtained.
Embodiment 1
Raw material forms: ureasulfuric acid 3%, oxysuccinic acid 8%, calcium superphosphate 2%, poly aspartic acid 3%, water 84%.
Calcium superphosphate, poly aspartic acid and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 0.5 hour, then ureasulfuric acid and oxysuccinic acid is added, stirring is warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 0.5 hour, finally, after inspection by sampling is qualified, carry out metering packing.
Embodiment 2
Raw material forms: ureasulfuric acid 5%, oxysuccinic acid 10%, calcium superphosphate 5%, poly-aspartic potassium 5%, water 75%.
Calcium superphosphate, poly-aspartic potassium and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 1 hour, then ureasulfuric acid and oxysuccinic acid is added, stirring is warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 0.5 hour, finally, after inspection by sampling is qualified, carry out metering packing.
Embodiment 3
Raw material forms: ureasulfuric acid 6%, oxalic acid 10%, calcium superphosphate 8%, poly aspartic acid ammonium 7%, water 69%.
Calcium superphosphate, poly aspartic acid ammonium and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 0.5 hour, then add ureasulfuric acid and oxalic acid, stir and be warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 1 hour, finally, inspection by sampling qualified after carry out metering packing.
Embodiment 4
Raw material forms: ureasulfuric acid 7%, citric acid 10%, calcium superphosphate 6%, poly aspartic acid 9%, water 68%.
Calcium superphosphate, poly aspartic acid and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 1 hour, then add ureasulfuric acid and citric acid, stir and be warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 1 hour, finally, inspection by sampling qualified after carry out metering packing.
Embodiment 5
Raw material forms: ureasulfuric acid 9%, oxysuccinic acid 13%, calcium superphosphate 4%, poly-aspartic potassium 9%, water 65%.
Calcium superphosphate, poly-aspartic potassium and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 1 hour, then ureasulfuric acid and oxysuccinic acid is added, stirring is warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 0.5 hour, finally, after inspection by sampling is qualified, carry out metering packing.
Embodiment 6
Raw material forms: ureasulfuric acid 8%, oxysuccinic acid 12%, calcium superphosphate 5%, poly (sodium aspartate) 8%, water 67%.
Calcium superphosphate, poly (sodium aspartate) and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 0.5 hour, then ureasulfuric acid and oxysuccinic acid is added, stirring is warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 1 hour, finally, after inspection by sampling is qualified, carry out metering packing.
Embodiment 7
Raw material forms: ureasulfuric acid 10%, citric acid 15%, calcium superphosphate 8%, poly-asparagus fern ammonia ammonium 10%, water 57%.
Calcium superphosphate, poly aspartic acid ammonium and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 1 hour, then add ureasulfuric acid and citric acid, stir and be warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 1 hour, finally, inspection by sampling qualified after carry out metering packing.
Embodiment 8
Raw material forms: ureasulfuric acid 13%, oxalic acid 18%, calcium superphosphate 8%, poly (sodium aspartate) 12%, water 49%.
Calcium superphosphate, poly (sodium aspartate) and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 1 hour, then add ureasulfuric acid and oxalic acid, stir and be warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 1 hour, finally, inspection by sampling qualified after carry out metering packing.
Embodiment 9
Raw material forms: ureasulfuric acid 13%, oxysuccinic acid 18%, calcium superphosphate 8%, poly aspartic acid 12%, water 49%.
Calcium superphosphate, poly (sodium aspartate) and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 1 hour, then add ureasulfuric acid and oxalic acid, stir and be warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 1 hour, finally, inspection by sampling qualified after carry out metering packing.
The saline-alkali soil conditioner prepared embodiment 1-9 respectively label is 1,2,3 ... 8,9, carry out inspection by sampling, result shows: the pH of 1-9 product is at 2.0-3.0, and the content of water-insoluble is all lower than 0.03g/L.
Experimental example 1
Promoted the use of in Alar region, Xinjiang by product of the present invention, in alura 200 mu of saltingss, plant 100 mu, Sunflower Receptacle, these 100 mu of ground are distinguished into each 25 mu of four bulk region, and its detected result is as follows.
The total salt of table 1 and pH detected result
From the detected result of table 1, after using saline-alkali soil conditioner of the present invention, the salt concn amount of decrease of salt affected soil is greater than 23%, pH amount of decrease and is greater than 20%, and along with increasing gradually of consumption, salt concn amount of decrease and pH amount of decrease also increase gradually, and improved effect is remarkable gradually.
Table 2 hybrid oil-sunflower production index chart
From the detected result of table 2, after using saline-alkali soil conditioner of the present invention, the average germination percentage of hybrid oil-sunflower, colored cake mean diameter and full grains degree do not use saline-alkali soil conditioner of the present invention all to increase, and along with increasing of consumption, effect is also more and more significant.
Table 3 eats certain herbaceous plants with big flowers production index chart
From the detected result of table 3, after using saline-alkali soil conditioner of the present invention, the edible each production index of certain herbaceous plants with big flowers all significantly increases, and especially average germination percentage, along with increasing of consumption, effect is also more and more significant.
Experimental example 2
Promoted the use of in Aksu, Xinjiang by product of the present invention, maize planting 100 mu in saltings, 200 mu, Aksu, these 100 mu of ground are distinguished into each 25 mu of four bulk region, and its detected result is as follows.
The total salt of table 4 and pH detected result
From the detected result of table 4, after using saline-alkali soil conditioner of the present invention, the salt concn amount of decrease of salt affected soil is greater than 20%, pH amount of decrease and is greater than 20%, and along with increasing gradually of consumption, salt concn amount of decrease and pH amount of decrease also increase gradually, and improved effect is remarkable gradually.
Table 5 corn yield index summary sheet
From the detected result of table 5, after using saline-alkali soil conditioner of the present invention, the each index of corn all significantly increases, average germination percentage amplification is more than 25%, corn plants grow is strengthened, and diameter amplification is more than 25%, and corn particle plumpness amplification is more than 50%, and increasing along with consumption, effect is more and more significant.
Although illustrate and describe the present invention with specific embodiment, however it will be appreciated that can to make when not deviating from the spirit and scope of the present invention many other change and amendment.Therefore, this means to comprise all such changes and modifications belonged in the scope of the invention in the following claims.
Claims (10)
1. a saline-alkali soil conditioner, is characterized in that, by quality ratio, formulated by following water soluble ingredient: ureasulfuric acid 3-13%, organic acid 8-18%, calcium superphosphate 2-8%, poly aspartic acid compounds 3-12%, and surplus is water.
2. a kind of saline-alkali soil conditioner according to claim 1, is characterized in that, by quality ratio, formulated by following water soluble ingredient: ureasulfuric acid 6-10%, organic acid 10-15%, calcium superphosphate 3-8%, poly aspartic acid compounds 7-10%, surplus is water.
3. a kind of saline-alkali soil conditioner according to claim 1, is characterized in that, by quality ratio, formulated by following water soluble ingredient: ureasulfuric acid 7-9%, organic acid 10-13%, calcium superphosphate 4-6%, poly aspartic acid compounds 7-9%, surplus is water.
4. a kind of saline-alkali soil conditioner according to claim 1, is characterized in that, described organic acid is low molecular weight organic acid.
5. a kind of saline-alkali soil conditioner according to claim 4, is characterized in that, described low molecular weight organic acid is oxysuccinic acid, citric acid, and in oxalic acid, any one, be preferably oxysuccinic acid.
6. a kind of saline-alkali soil conditioner according to any one of claim 1-3, is characterized in that, described poly aspartic acid compounds comprises poly aspartic acid, poly aspartic acid sodium salt, poly aspartic acid sylvite, in poly aspartic acid ammonium salt, any one, be preferably poly aspartic acid.
7. a kind of saline-alkali soil conditioner according to any one of claim 1-3, is characterized in that, described saline-alkali soil conditioner is aqua.
8. the preparation method of the saline-alkali soil conditioner described in an any one of claim 1-3, it is characterized in that, comprise, calcium superphosphate, poly aspartic acid compounds and water are placed in reactor, start and stir and start to be warming up to 25-40 DEG C, keep 0.5-1 hour, then add ureasulfuric acid and organic acid, stir and be warming up to 50-60 DEG C, keep being cooled to 25-40 DEG C after 0.5-1 hour, finally, inspection by sampling qualified after carry out metering packing.
9. the preparation method of saline-alkali soil conditioner according to claim 6, is characterized in that, the standard of described inspection is: pH value is 2.0-3.0, water insoluble matter content <0.03g/L.
10. the application of the saline-alkali soil conditioner described in an any one of claim 1-7, it is characterized in that, the usage quantity of saline-alkali soil conditioner is 0.5-10kg/ mu, using method, for saline-alkali soil conditioner being added 100 times of weight water dilutions, joins after dilution in drip irrigation pipe to carry out dripping to soil and executes.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219397A (en) * | 2015-09-21 | 2016-01-06 | 山东农业大学 | A kind of saline-alkali land soil conditioner and preparation method thereof |
| CN105419812A (en) * | 2015-11-30 | 2016-03-23 | 天津沃润德环境工程有限公司 | Application of soil leavening agent in improvement of saline-alkali soil |
| CN105524621A (en) * | 2016-01-06 | 2016-04-27 | 中山市绿浪助剂有限公司 | Soil conditioner |
| CN106221702A (en) * | 2016-07-30 | 2016-12-14 | 山东胜伟园林科技有限公司 | A kind of anti-salt alkali composition containing Herba Pogostemonis and preparation method thereof |
| CN106281341A (en) * | 2015-05-18 | 2017-01-04 | 南京凯杰环境技术有限公司 | A kind of heavy metal-polluted soil high-efficiency cleaning processes material |
| CN106489342A (en) * | 2016-10-19 | 2017-03-15 | 山东旺盛园林股份有限公司 | A kind of local improving method of salt-soda soil planting soil |
| CN107089863A (en) * | 2017-05-19 | 2017-08-25 | 广西新方向现代农业发展有限公司 | Improve liquid carbon fertilizer of salt affected soil and preparation method thereof |
| CN108587633A (en) * | 2018-05-25 | 2018-09-28 | 安徽智博新材料科技有限公司 | A kind of slow-release saline-alkali soil conditioner |
| CN109082279A (en) * | 2018-11-09 | 2018-12-25 | 刘景岳 | A kind of high-effective saline-alkali soil conditioner and preparation method thereof |
| CN110157441A (en) * | 2018-03-05 | 2019-08-23 | 苏州睿烁环境科技有限公司 | A kind of soil conditioner and preparation method thereof for salt-soda soil |
| CN112194539A (en) * | 2020-10-12 | 2021-01-08 | 北京化工大学 | Water and fertilizer retention type soil conditioner for arid area and preparation and application thereof |
| CN114672319A (en) * | 2022-04-08 | 2022-06-28 | 新疆昆仑雷士农业科技有限公司 | Saline-alkali soil conditioner, preparation method and application thereof, and saline-alkali soil conditioning method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101100606A (en) * | 2007-07-31 | 2008-01-09 | 李智强 | Conditioner for alkaline soil |
| CN102503626B (en) * | 2011-10-13 | 2014-09-24 | 贵州川恒化工有限责任公司 | Water-soluble fertilizer special for alkaline soil and its preparation method |
| CN102766468B (en) * | 2012-06-20 | 2015-05-20 | 杨德志 | Saline-alkali soil modifier, and preparation method and application thereof |
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2014
- 2014-11-13 CN CN201410643562.8A patent/CN104371738B/en not_active Expired - Fee Related
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| CN106281341A (en) * | 2015-05-18 | 2017-01-04 | 南京凯杰环境技术有限公司 | A kind of heavy metal-polluted soil high-efficiency cleaning processes material |
| CN105219397A (en) * | 2015-09-21 | 2016-01-06 | 山东农业大学 | A kind of saline-alkali land soil conditioner and preparation method thereof |
| CN105419812B (en) * | 2015-11-30 | 2018-11-27 | 天津吉天环境科技发展有限公司 | Application of soil raising agent in saline-alkali soil improvement |
| CN105419812A (en) * | 2015-11-30 | 2016-03-23 | 天津沃润德环境工程有限公司 | Application of soil leavening agent in improvement of saline-alkali soil |
| CN105524621A (en) * | 2016-01-06 | 2016-04-27 | 中山市绿浪助剂有限公司 | Soil conditioner |
| CN106221702A (en) * | 2016-07-30 | 2016-12-14 | 山东胜伟园林科技有限公司 | A kind of anti-salt alkali composition containing Herba Pogostemonis and preparation method thereof |
| CN106489342A (en) * | 2016-10-19 | 2017-03-15 | 山东旺盛园林股份有限公司 | A kind of local improving method of salt-soda soil planting soil |
| CN107089863A (en) * | 2017-05-19 | 2017-08-25 | 广西新方向现代农业发展有限公司 | Improve liquid carbon fertilizer of salt affected soil and preparation method thereof |
| CN110157441A (en) * | 2018-03-05 | 2019-08-23 | 苏州睿烁环境科技有限公司 | A kind of soil conditioner and preparation method thereof for salt-soda soil |
| CN108587633A (en) * | 2018-05-25 | 2018-09-28 | 安徽智博新材料科技有限公司 | A kind of slow-release saline-alkali soil conditioner |
| CN109082279A (en) * | 2018-11-09 | 2018-12-25 | 刘景岳 | A kind of high-effective saline-alkali soil conditioner and preparation method thereof |
| CN112194539A (en) * | 2020-10-12 | 2021-01-08 | 北京化工大学 | Water and fertilizer retention type soil conditioner for arid area and preparation and application thereof |
| CN112194539B (en) * | 2020-10-12 | 2023-06-27 | 北京化工大学 | Water-retaining fertilizer-retaining soil conditioner for arid regions and preparation and application thereof |
| CN114672319A (en) * | 2022-04-08 | 2022-06-28 | 新疆昆仑雷士农业科技有限公司 | Saline-alkali soil conditioner, preparation method and application thereof, and saline-alkali soil conditioning method |
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