CN105112058A - Method for improving saline-alkali soil by using phosphogypsum, trimethylenetetraurea, EDTA (ethylene diamine tetraacetic acid) and biological bacteria - Google Patents
Method for improving saline-alkali soil by using phosphogypsum, trimethylenetetraurea, EDTA (ethylene diamine tetraacetic acid) and biological bacteria Download PDFInfo
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Abstract
The invention provides a method for improving saline-alkali soil by using phosphogypsum, trimethylenetetraurea, EDTA (ethylene diamine tetraacetic acid) and biological bacteria. The method comprises the steps of treating the saline-alkali soil with phosphogypsum, then treating the saline-alkali soil with trimethylenetetraurea, phthalic acid and polyethylene glycol and finally treating the saline-alkali soil with EDTA. The saline-alkali soil can be quickly improved by adopting the saline-alkali soil improvement method and is suitable for crop growth. The improvers have a wider range of application, are suitable for improving the soil salinized and alkalized due to different reasons in different regions and can achieve the effects of improving the soil structure, reducing the soil alkalinity, increasing the salt elimination rate of the soil, improving the soil fertility, promoting growth of crops and increasing the agricultural economy by being reasonably applied to the soil.
Description
Technical field
The present invention relates to saltings processing technology field, particularly relate to the method that a kind of phosphogypsum+trimethylenetetraurea urea+EDTA+ biological bacteria improves saltings.
Background technology
Saltings is the general name of solonchak and alkaline earth and various salinization, alkali-affected soil.Solonchak refers to that in soil, soluble organic fraction content acquires a certain degree, and can produce the great soil group of obviously harm to the g and D of plant.Alkaline earth refers to that quantity reaches the degree that can endanger plant-growth and growth containing a large amount of exchangeability ion in soil, and the soil that soil property is changed.In actual state, solonchak and alkaline earth often exist in a mixed way jointly, are referred to as saltings.
Saltings is important land resources, and it is a kind of soil type of extensively distribution on the earth.About nearly 1,000,000,000 hectares of whole world saline soil area, China's Resource of Saline Soil is distributed widely in 17 provinces and regions based on the north, the main integrated distribution region of northwest, northeast, North China and coastal Deng Shi China saline soil, the total area reaches more than 500,000,000 mus, and account for that the whole nation can utilize land area nearly 5%.The wherein total area in Coastal beach saltings about 2,350,000 hm
2, and now annual still with 2-3 ten thousand hm
2speed become silted up rise.Saltings control and exploitation are the problems that irrigated area agricultural development can not be ignored, and for promotion agricultural sustainable development, Ensuring Food Safety has vital role.
The Method and Technology in domestic process saltings is summed up roughly as follows: (1) is physically improved; Level land, deep plough sun the earth which has been ploughed up, loosen the soil in time, raise landform, microcell is improved the soil.(2) water conservancy improvement.Fill with deploying cover, storage fresh water on saline alkali land for leaching, washing salinity by irrigation, underground salt discharge.(3) chemical modifying; The chemical agents such as phosphogypsum, calcium superphosphate, xanthohumic acid are used to improve.(4) biological modification; Rice cultivation, plantation salt-tolerant plant Tian Qing etc., use microbial-bacterial fertilizer etc.At present, the soil improvement agent of soil salinization chemical harnessing is more, as gypsum, calcium sulfate, calcium superphosphate, trade waste phosphogypsum, industrial waste acid, fertilizer, detritus acid, flyash, peat, fermentation acid-sludge etc., these all achieve certain effect to improvement saltings, relatively more conventional is fertilizer, gypsum, and wherein gypsum is with Ca
2+displacement Na
+and improved saltings by sour neutralization bases; But the restriction be subject to as complex manufacturing, poor processing effect and some other condition can not obtain large-area popularization.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the method that a kind of phosphogypsum+trimethylenetetraurea urea+EDTA+ biological bacteria improves saltings.
The present invention is achieved by the following technical programs.
A kind of phosphogypsum provided by the invention+trimethylenetetraurea urea+EDTA+ biological bacteria improves the method in saltings, comprises the following steps:
(1) phosphogypsum is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, phosphogypsum is mixed with soil layer, keeps 10 ~ 40 days;
(2) then the mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol are mixed with soil layer, keeps 5 ~ 20 days;
(3) EDTA is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, EDTA is mixed with soil layer, keeps 5 ~ 10 days;
(4) by stalk and biological bacteria combination treatment, the material A obtained is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, make material mix with soil layer all with, and keep 20 ~ 30 days;
In above-mentioned, the consumption of phosphogypsum is 200 ~ 1400kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 5 ~ 100kg/ mu, and material A consumption is 50 ~ 400kg/ mu.
Further, the blending ratio of described trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 30:(1 ~ 3): (1 ~ 3).
Further, described step (2) is after the mixture adding trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol, and spray clear water, the saltings making 20cm dark is moistening.
Further, the making step of described material A is: shattered by stalk, then adds animal excrement and biological bacteria, sealed fermenting 5 ~ 30 days;
In above-mentioned, blending ratio is that stalk shatters: animal excrement: biological bacteria=100:(10 ~ 20): (1 ~ 5).
Further, described biological bacteria is made up of subtilis, salt tolerant Brasil diazotrophic spirillum, Salt And Alkali Tolerance phosphate solubilizing bacteria, Trichodermareesei, cellulose-decomposing bacterium, and in above-mentioned, the viable count of often kind of biological bacteria is content is 1 × 10
3 ~ 4more than cfu/g.
Further, the consumption of various material of the present invention is determined according to different saltingss, is specially:
In slight alkaline land, the consumption of phosphogypsum is 200 ~ 600kg/ mu, and the amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 5 ~ 50kg/ mu, and the consumption of EDTA is 2 ~ 5kg/ mu; Material A consumption is 50 ~ 150kg/ mu;
In moderate saline-alkali soil, the consumption of phosphogypsum is 600 ~ 1000kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 50 ~ 80kg/ mu, and the consumption of EDTA is 5 ~ 8kg/ mu; Material A consumption is 150 ~ 300kg/ mu.
In heavy salinized ground, the consumption of phosphogypsum is 1000 ~ 1400kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 80 ~ 100kg/ mu, and the consumption of EDTA is 8 ~ 10kg/ mu, and material A consumption is 300 ~ 400kg/ mu.
Beneficial effect of the present invention is:
1), in present method, phosphogypsum is aobvious acid, and it can neutralize with the saltings of aobvious alkalescence, effectively can reduce the pH value in saltings;
2) contained in phosphogypsum calcium ion can with carbonate in saltings and bicarbonate radical generation chemical reaction, generate calcium carbonate and Calcium hydrogen carbonate, wherein calcium carbonate is water insoluble, Calcium hydrogen carbonate is slightly soluble in water, the character of calcium carbonate and Calcium hydrogen carbonate can impel Zinc fractions crumb structure, and its crumb structure can wrapping portion sodium ion, promotes desalinization of soil by flooding or leaching speed, reduce the soil weight simultaneously, increase soil water permeability;
3) trimethylenetetraurea urea is line-like structures, it has binding agent effect, the crumb structure formed is reacted in phosphogypsum and saltings, after interpolation trimethylenetetraurea urea, trimethylenetetraurea urea can promote the formation of crumb structure, and trimethylenetetraurea urea can fill up the vacancy position in the crumb structure of calcium carbonate and Calcium hydrogen carbonate formation simultaneously, makes crumb structure inside and outside portion relative insulation, reduce the sodium ion of mobility in soil, promote desalinization of soil by flooding or leaching speed;
4) trimethylenetetraurea urea can slowly decompose at temperature and microbial process, and during decomposition, can form organic salt with the positively charged ion such as the sodium in soil, calcium, the solubleness of its organic salt is low, reduces the positively charged ion such as sodium, calcium of soil free state;
5) trimethylenetetraurea urea itself is slow-release fertilizer, and the product after its decomposition can provide nitrogen element for plant, can not cause the secondary pollution of soil;
6) when using trimethylenetetraurea urea, adding phthalic acid, polyoxyethylene glycol raw material, trimethylenetetraurea urea fast setting can be impelled, crumb structure can be impelled to be formed fast;
7) EDTA can react with the sodium in soil, calcium, iron ion complex compounds such as forming EDTA-Na, EDTA-Ca, EDTA-Fe, the solubleness of EDTA-Na is lower than other sodium salts, and the complex compound that after EDTA-Ca, EDTA-Fe and iron, element is formed is slightly soluble in water, adds EDTA and can reduce saltiness in soil;
8) stalk can increase the water-permeable of soil, ventilation property and moisture retention, increases the organic content of soil, and increase bacteria content in soil, bacterial count increase can reduce the part saliferous in saltings;
9) biological bacteria is made up of subtilis, salt tolerant Brasil diazotrophic spirillum, Salt And Alkali Tolerance phosphate solubilizing bacteria, Trichodermareesei, cellulose-decomposing bacterium; Itself and stalk are used in combination, can grow fast, and absorb the part salinity in saltings in soil, reduce the saltiness in saltings;
10) adopt biological bacteria and stalk to be pre-mixed fermentation, make biological bacteria amount reproduction, reduce the time in the saltings of biological bacteria process;
11) in the present invention, phosphogypsum is first adopted to process saltings, reduce pH value, simultaneously by generating calcium carbonate, the crumb structure such as Calcium hydrogen carbonate, and then add the materials such as trimethylenetetraurea urea, the crumb structure being is formed more fast, and fill up the position, space of crumb structure, the inner relative insulation of the crumb structure being, reduce the sodium ions content of the mobility in soil, the salt content in soil is reduced with this, add EDTA again, can with the sodium of crumb structure outside, calcium, iron plasma reaction forms complex compound, reduce the saltiness in the soil of crumb structure outside, the last material adding stalk and biological bacteria combination treatment again, avoid relative strong basicity suddenly to the suppression of biological bacteria, biological bacteria is attached to stalk surface, fast processing is carried out to soil, absorb salinity, the object lowering soil salt is reached with this.
Adopt above-mentioned saline and alkali land improvement method, can quick improvement saline-alkali soil, suitable for crop grows, and this modifying agent operation strategies is wider, be applicable to different areas, salting of soil soil improvement that different reason causes, rationally be manured into soil, can Soil structure be improved, reduce soil alkalinity, improve soil salt discharge rate, increase soil fertility, promote the growth of farm crop, improve rural economy.
Embodiment
Further describe technical scheme of the present invention below, but described in claimed scope is not limited to.
Embodiment one
1, raw material prepares
Phosphogypsum,
Trimethylenetetraurea urea, its structural formula is:
Phthalic acid,
Polyoxyethylene glycol,
EDTA，
Stalk,
Biological bacteria, is made up of subtilis, salt tolerant Brasil diazotrophic spirillum, Salt And Alkali Tolerance phosphate solubilizing bacteria, Trichodermareesei, cellulose-decomposing bacterium, and the viable count of often kind of biological bacteria is content is 1 × 10
3 ~ 4more than cfu/g;
Animal excrement, optional pig manure, cow dung, chicken manure, sheep excrement etc., the present embodiment selects pig manure;
2, a kind of phosphogypsum+trimethylenetetraurea urea+EDTA+ biological bacteria improves the method in saltings
Draw together following steps:
(1) make material A, first stalk is shattered, then add animal excrement and biological bacteria, sealed fermenting 5 days; Blending ratio is that stalk shatters: animal excrement: biological bacteria=100:10:1;
(2) phosphogypsum is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, phosphogypsum is mixed with soil layer, keeps 10 days;
(2) trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol are mixed in the ratio of 30:1:1, then saline and alkaline the earth's surface is sprinkling upon equably, and deep plough 20cm, trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol are mixed with soil layer, spray clear water, the saltings making 20cm dark is moistening, keeps 5 days;
(3) EDTA is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, EDTA is mixed with soil layer, keeps 5 days;
(4) material A is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, make material mix with soil layer all with, and keep 20 days;
In the present embodiment, the consumption of various material is determined according to different saltingss, is specially:
In slight alkaline land, the consumption of phosphogypsum is 200kg/ mu, and the amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 5kg/ mu, and the consumption of EDTA is 2kg/ mu; ; Material A consumption is 50kg/ mu;
In moderate saline-alkali soil, the consumption of phosphogypsum is 600kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 50kg/ mu, and the consumption of EDTA is 5kg/ mu; Material A consumption is 150kg/ mu.
In heavy salinized ground, the consumption of phosphogypsum is 1000kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 80kg/ mu, and the consumption of EDTA is 8kg/ mu, material A consumption 300kg/ mu.
Embodiment two
1, raw material prepares
Phosphogypsum,
Trimethylenetetraurea urea, its structural formula is:
Phthalic acid,
Polyoxyethylene glycol,
EDTA，
Stalk,
Biological bacteria, is made up of subtilis, salt tolerant Brasil diazotrophic spirillum, Salt And Alkali Tolerance phosphate solubilizing bacteria, Trichodermareesei, cellulose-decomposing bacterium, and the viable count of often kind of biological bacteria is content is 1 × 10
3 ~ 4more than cfu/g;
Animal excrement, optional pig manure, cow dung, chicken manure, sheep excrement etc., the present embodiment selects pig manure;
2, a kind of phosphogypsum+trimethylenetetraurea urea+EDTA+ biological bacteria improves the method in saltings
Draw together following steps:
(1) make material A, first stalk is shattered, then add animal excrement and biological bacteria, sealed fermenting 30 days; Blending ratio is that stalk shatters: animal excrement: biological bacteria=100:20:5;
(2) phosphogypsum is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, phosphogypsum is mixed with soil layer, keeps 40 days;
(2) trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol are mixed in the ratio of 30:3:3, then saline and alkaline the earth's surface is sprinkling upon equably, and deep plough 20cm, trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol are mixed with soil layer, spray clear water, the saltings making 20cm dark is moistening, keeps 20 days;
(3) EDTA is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, EDTA is mixed with soil layer, keeps 10 days;
(4) material of stalk and biological bacteria combination treatment is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, make material mix with soil layer all with, and keep 20 ~ 30 days;
In the present embodiment, the consumption of various material is determined according to different saltingss, is specially:
In slight alkaline land, the consumption of phosphogypsum is 600kg/ mu, and the amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 50kg/ mu, and the consumption of EDTA is 5kg/ mu; ; Material A consumption is 150kg/ mu;
In moderate saline-alkali soil, the consumption of phosphogypsum is 1000kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 80kg/ mu, and the consumption of EDTA is 8kg/ mu; Material A consumption is 300kg/ mu.
In heavy salinized ground, the consumption of phosphogypsum is 1400kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 100kg/ mu, and the consumption of EDTA is 10kg/ mu, material A consumption 400kg/ mu.
Embodiment three
1, raw material prepares
Phosphogypsum,
Trimethylenetetraurea urea, its structural formula is:
Phthalic acid,
Polyoxyethylene glycol,
EDTA，
Stalk,
Biological bacteria, is made up of subtilis, salt tolerant Brasil diazotrophic spirillum, Salt And Alkali Tolerance phosphate solubilizing bacteria, Trichodermareesei, cellulose-decomposing bacterium, and the viable count of often kind of biological bacteria is content is 1 × 10
3 ~ 4more than cfu/g;
Animal excrement, optional pig manure, cow dung, chicken manure, sheep excrement etc., the present embodiment selects pig manure;
2, the method that a kind of phosphogypsum+trimethylenetetraurea urea+EDTA+ biological bacteria improves saltings draws together following steps:
(1) make material A, first stalk is shattered, then add animal excrement and biological bacteria, sealed fermenting 20 days; Blending ratio is that stalk shatters: animal excrement: biological bacteria=100:15:3;
(2) phosphogypsum is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, phosphogypsum is mixed with soil layer, keeps 10 ~ 40 days;
(2) trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol are mixed in the ratio of 30:2:2, then saline and alkaline the earth's surface is sprinkling upon equably, and deep plough 20cm, trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol are mixed with soil layer, spray clear water, the saltings making 20cm dark is moistening, keeps 12 days;
(3) EDTA is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, EDTA is mixed with soil layer, keeps 8 days;
(4) material A is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, make material mix with soil layer all with, and keep 25 days;
In the present embodiment, the consumption of various material is determined according to different saltingss, is specially:
In slight alkaline land, the consumption of phosphogypsum is 400kg/ mu, and the amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 25kg/ mu, and the consumption of EDTA is 4kg/ mu; ; Material A consumption is 100kg/ mu;
In moderate saline-alkali soil, the consumption of phosphogypsum is 800kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 65kg/ mu, and the consumption of EDTA is 5 ~ 8kg/ mu; Material A consumption is 220kg/ mu.
In heavy salinized ground, the consumption of phosphogypsum is 1200kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 90kg/ mu, and the consumption of EDTA is 9kg/ mu, material A material amounts 350kg/ mu.
The above, it is only better example of the present invention, not any pro forma restriction is done to the present invention, anyly do not depart from technical solution of the present invention content, the any simple modification done above example according to technical spirit of the present invention, coversion material equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Meanwhile, in order to be further elaborated beneficial effect of the present invention, present inventor has performed a large amount of property used test, special instruction, the present invention's test is intended to the beneficial effect that the technology of the present invention is described, is never only limitted to scope of the present invention.
Test method: select the saltings of Haixing County, Cangzhou, Hebei Province to test, test group: use above-described embodiment one ~ embodiment three to process the saltings of different salinity, and throw in N
2o8kg/ mu, P
2o
55kg/ mu, K
2the fertilizer of O3kg/ mu, carries out plantation wheat; Control group: independent phosphogypsum process is carried out to the saltings of different salt content, total consumption of the material of the saline and alkali land improvement method of the corresponding embodiment one ~ embodiment three of consumption difference of phosphogypsum, and throw in N
2o8kg/ mu, P
2o
55kg/ mu, K
2the fertilizer of O3kg/ mu, carries out plantation wheat.By statistics output, in slight alkaline land, use the saltings wheat yield of the modifying agent process of the present embodiment than using the high by 35 ~ 45% of phosphogypsum process; In moderate saline-alkali soil, use the saltings wheat yield of the modifying agent process of the present embodiment than using the high by 35 ~ 60% of phosphogypsum process; In heavy salinized ground, use the saltings wheat yield of the modifying agent process of the present embodiment than using the high by 70 ~ 90% of phosphogypsum process.
Claims (6)
1. improve the method in saltings by phosphogypsum+trimethylenetetraurea urea+EDTA+ biological bacteria, it is characterized in that, comprise the following steps:
(1) phosphogypsum is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, phosphogypsum is mixed with soil layer, keeps 10 ~ 40 days;
(2) then the mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol are mixed with soil layer, keeps 5 ~ 20 days;
(3) EDTA is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, EDTA is mixed with soil layer, keeps 5 ~ 10 days;
(4) by stalk and biological bacteria combination treatment, the material A obtained is sprinkling upon saline and alkaline the earth's surface equably, and the 20cm that deep ploughs, make material mix with soil layer all with, and keep 20 ~ 30 days;
In above-mentioned, the consumption of phosphogypsum is 200 ~ 1400kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 5 ~ 100kg/ mu, and material A consumption is 50 ~ 400kg/ mu.
2. phosphogypsum as claimed in claim 1+trimethylenetetraurea urea+EDTA+ biological bacteria improves the method in saltings, it is characterized in that, the blending ratio of described trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 30:(1 ~ 3): (1 ~ 3).
3. phosphogypsum as claimed in claim 1+trimethylenetetraurea urea+EDTA+ biological bacteria improves the method in saltings, it is characterized in that, described step (2) is after the mixture adding trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol, spray clear water, the saltings making 20cm dark is moistening.
4. phosphogypsum as claimed in claim 1+trimethylenetetraurea urea+EDTA+ biological bacteria improves the method in saltings, it is characterized in that, the making step of described material A is: shattered by stalk, then adds animal excrement and biological bacteria, sealed fermenting 5 ~ 30 days;
In above-mentioned, blending ratio is that stalk shatters: animal excrement: biological bacteria=100:(10 ~ 20): (1 ~ 5).
5. the method improving saltings by phosphogypsum+trimethylenetetraurea urea+EDTA+ biological bacteria as described in claim 1 or 4, it is characterized in that, described biological bacteria is made up of subtilis, salt tolerant Brasil diazotrophic spirillum, Salt And Alkali Tolerance phosphate solubilizing bacteria, Trichodermareesei, cellulose-decomposing bacterium, in above-mentioned, the viable count of often kind of biological bacteria is content is 1 × 10
3 ~ 4more than cfu/g.
6. phosphogypsum as claimed in claim 1+trimethylenetetraurea urea+EDTA+ biological bacteria improves the method in saltings, and it is characterized in that, the consumption of various material of the present invention is determined according to different saltingss, is specially:
In slight alkaline land, the consumption of phosphogypsum is 200 ~ 600kg/ mu, and the amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 5 ~ 50kg/ mu, and the consumption of EDTA is 2 ~ 5kg/ mu; Material A consumption is 50 ~ 150kg/ mu;
In moderate saline-alkali soil, the consumption of phosphogypsum is 600 ~ 1000kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 50 ~ 80kg/ mu, and the consumption of EDTA is 5 ~ 8kg/ mu; Material A consumption is 150 ~ 300kg/ mu.
In heavy salinized ground, the consumption of phosphogypsum is 1000 ~ 1400kg/ mu; The amount of mixture of trimethylenetetraurea urea, phthalic acid, polyoxyethylene glycol is 80 ~ 100kg/ mu, and the consumption of EDTA is 8 ~ 10kg/ mu, and material A consumption is 300 ~ 400kg/ mu.
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| CN201510535987.1A CN105112058A (en) | 2015-08-28 | 2015-08-28 | Method for improving saline-alkali soil by using phosphogypsum, trimethylenetetraurea, EDTA (ethylene diamine tetraacetic acid) and biological bacteria |
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| CN201510535987.1A CN105112058A (en) | 2015-08-28 | 2015-08-28 | Method for improving saline-alkali soil by using phosphogypsum, trimethylenetetraurea, EDTA (ethylene diamine tetraacetic acid) and biological bacteria |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643333A (en) * | 2019-08-30 | 2020-01-03 | 成都理工大学 | Salt crystallization inhibitor for preventing sodium chloride crystallization in oil well and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434495A (en) * | 2007-11-13 | 2009-05-20 | 任兆磊 | Phosphogypsum sustained-controlled compound fertilizer |
| CN101693641A (en) * | 2009-10-22 | 2010-04-14 | 南京信息工程大学 | Compound bio-fertilizer containing ardealite and application thereof |
| CN101798513A (en) * | 2010-03-31 | 2010-08-11 | 河北省农林科学院旱作农业研究所 | Preparation method of soil alkaline conditioner |
-
2015
- 2015-08-28 CN CN201510535987.1A patent/CN105112058A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434495A (en) * | 2007-11-13 | 2009-05-20 | 任兆磊 | Phosphogypsum sustained-controlled compound fertilizer |
| CN101693641A (en) * | 2009-10-22 | 2010-04-14 | 南京信息工程大学 | Compound bio-fertilizer containing ardealite and application thereof |
| CN101798513A (en) * | 2010-03-31 | 2010-08-11 | 河北省农林科学院旱作农业研究所 | Preparation method of soil alkaline conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643333A (en) * | 2019-08-30 | 2020-01-03 | 成都理工大学 | Salt crystallization inhibitor for preventing sodium chloride crystallization in oil well and preparation method thereof |
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Application publication date: 20151202 |