CN104067719B - A kind of alkaline land soil improved system and modification method thereof - Google Patents
A kind of alkaline land soil improved system and modification method thereof Download PDFInfo
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- CN104067719B CN104067719B CN201410288746.7A CN201410288746A CN104067719B CN 104067719 B CN104067719 B CN 104067719B CN 201410288746 A CN201410288746 A CN 201410288746A CN 104067719 B CN104067719 B CN 104067719B
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- 239000002689 soil Substances 0.000 title claims abstract description 80
- 230000001976 improved effect Effects 0.000 title claims abstract description 15
- 238000002715 modification method Methods 0.000 title abstract description 7
- 230000002262 irrigation Effects 0.000 claims abstract description 121
- 238000003973 irrigation Methods 0.000 claims abstract description 121
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003513 alkali Substances 0.000 claims abstract description 21
- 230000006872 improvement Effects 0.000 claims abstract description 16
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- 239000013505 freshwater Substances 0.000 claims abstract description 7
- 239000003337 fertilizer Substances 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 241001464837 Viridiplantae Species 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 210000003608 fece Anatomy 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 5
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 3
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 3
- 239000001099 ammonium carbonate Substances 0.000 claims description 3
- MYFXBBAEXORJNB-UHFFFAOYSA-N calcium cyanamide Chemical compound [Ca+2].[N-]=C=[N-] MYFXBBAEXORJNB-UHFFFAOYSA-N 0.000 claims description 3
- KMQAPZBMEMMKSS-UHFFFAOYSA-K calcium;magnesium;phosphate Chemical compound [Mg+2].[Ca+2].[O-]P([O-])([O-])=O KMQAPZBMEMMKSS-UHFFFAOYSA-K 0.000 claims description 3
- 244000144972 livestock Species 0.000 claims description 3
- 239000003895 organic fertilizer Substances 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims description 3
- 244000144977 poultry Species 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000010871 livestock manure Substances 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000003864 humus Substances 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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Abstract
The invention belongs to technical field of land improvement, specifically disclose a kind of alkaline land soil improved system, including salt-soda soil, and the first irrigation canals and ditches that side, salt-soda soil sets gradually, second irrigation canals and ditches and the 3rd irrigation canals and ditches, opposite side sets gradually the 4th irrigation canals and ditches, 5th irrigation canals and ditches and the 6th irrigation canals and ditches, and first the first filter course arranged in the middle of irrigation canals and ditches and the second irrigation canals and ditches, in the middle of second irrigation canals and ditches and the 3rd irrigation canals and ditches, the second filter course is set, and the 4th the 3rd filter course arranged in the middle of irrigation canals and ditches and the 5th irrigation canals and ditches, in the middle of 5th irrigation canals and ditches and the 6th irrigation canals and ditches, the 4th filter course is set, and the water plug for sprinkling irrigation.The modification method of the present invention has the beneficial effects that: 1, improved system simple structure, manageability operation；2, stair-stepping irrigation canals and ditches and filter course are utilized, the salt and alkali component taken out of in fresh water is effectively filtered, being recycled by drainage, the most stair-stepping irrigation canals and ditches filter efficiency is high, effect is excellent, and on the other hand fresh water recycles saving water resource and omnidistance pollution-free phenomenon again.
Description
Technical field
The invention belongs to technical field of land improvement, be specifically related to a kind of alkaline land soil improved system and modification method thereof.
Background technology
Salt-soda soil is a kind of salt aggregation, refer to that salinity contained inside soil has influence on the normal growth of crop, according to UNESCO and food and agricultural organization's incomplete statistics, the area in salt-soda soil, the whole world is 9.5438 hundred million hectares, and wherein China is 99,130,000 hectares.China's alkaline earth and the formation of alkali-affected soil, major part is accumulative relevant with Carbonates In Soil, thus basicity is the highest, and serious salt affected soil regional plant is little to existence.Salt-soda soil can be divided into light salt-soda soil, moderate saline-alkali soil and heavy saline.Light salt-soda soil refers to emerging of it, percent seventy or eighty, its salinity is below 3/1000ths；Heavy saline refer to its salinity more than 6/1000ths, emergence rate be less than 50%；(being expressed as with 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).
Currently, although continuous release in all parts of the country is various changes alkali fertilizer, but the improved effect for salt-soda soil more than moderate is the most unsatisfactory, so saline land greening is often stuck with predicament, how to solve this problem and don't be current various countries to environment administer salt-soda soil convenient urgently to be resolved hurrily.
Therefore, based on the problems referred to above, the present invention provides a kind of alkaline land soil improved system and modification method thereof.
Summary of the invention
Goal of the invention: it is an object of the invention to provide a kind of alkaline land soil improved system and modification method thereof, solve saline and alkali land improvement method weak effect and pollution problem that existing tradition is used, improves improvement efficiency and improved effect, stops to pollute and water resource waste.
Technical scheme: an aspect of of the present present invention provides a kind of alkaline land soil improved system, the first irrigation canals and ditches, the second irrigation canals and ditches and the 3rd irrigation canals and ditches set gradually including salt-soda soil and side, salt-soda soil, opposite side sets gradually the 4th irrigation canals and ditches, the 5th irrigation canals and ditches and the 6th irrigation canals and ditches, and first arrange the second filter course in the middle of the first filter course, the second irrigation canals and ditches and the 3rd irrigation canals and ditches arranged in the middle of irrigation canals and ditches and the second irrigation canals and ditches, and the 4th arrange the 4th filter course, and the water plug for sprinkling irrigation in the middle of the 3rd filter course, the 5th irrigation canals and ditches and the 6th irrigation canals and ditches arranged in the middle of irrigation canals and ditches and the 5th irrigation canals and ditches.
Further preferred described first filter course and the 3rd filter course are sandstone layer, and the second filter course and the 4th filter course are sandbag.
Further preferred described first irrigation canals and ditches, the second irrigation canals and ditches and the 3rd irrigation canals and ditches height successively decrease successively.
Further preferred described 4th irrigation canals and ditches, the 5th irrigation canals and ditches and the 6th irrigation canals and ditches height successively decrease successively.
Another aspect of the present invention provides a kind of saline-alkali soil improvement method, comprises the following steps,
Step 1, first salt-soda soil surrounding to be excavated layer trapezoidal, then excavates several stepped filtration irrigation canals and ditches in trapezoidal salt-soda soil surrounding.
Fresh water is evacuated on trapezoidal salt-soda soil by step 2, recycling water plug, until being impregnated with completely, iterative cycles 4-6 time also stirs soil simultaneously, every minor tick 7 days-15 days.
Step 3, fertilising, apply farm manure or fertilizer or chemical fertilizer and stir soil, increases nutriment content in soil.
Step 4, plantation green plants, if plant normally survives, then fill and lead up the filtration irrigation canals and ditches of salt-soda soil surrounding, carry out the improvement in next plot；Maybe cannot grow if green plants is short and small, then recycling water plug draws water and is diluted salt alkali content in soil.
Salt-soda soil is excavated by further preferred described step 1 draining in echelon fast, utilize and in the middle of the first filter course, the second irrigation canals and ditches and the 3rd irrigation canals and ditches that arrange in the middle of the first irrigation canals and ditches and the second irrigation canals and ditches, the second filter course is set, and the 4th arrange the 4th filter course in the middle of the 3rd filter course, the 5th irrigation canals and ditches and the 6th irrigation canals and ditches arranged in the middle of irrigation canals and ditches and the 5th irrigation canals and ditches, cascade filtration is carried out to washing salt-soda soil water, filter out salt and alkali component in water, make water circulation use；Stepped filtration irrigation canals and ditches, rely on water self gravitation to permeate to lower.
The salt-soda soil being impregnated with in further preferred described step 2 uses machinery to stir, stir interval time be 30 minutes-60 minutes once.
The farm manure or the fertilizer that apply in further preferred described step 3 are feces of livestock and poultry, and chemical fertilizer is ammonia, ammonium hydrogen carbonate, lime nitrogen, calcium magnesium phosphate.
If the green plants planted in further preferred described step 4 does not survives, pulverize as organic fertilizer the most on the spot.
Compared with prior art, a kind of alkaline land soil improved system of the present invention and having the beneficial effects that of modification method thereof: 1, improved system simple structure, manageability operation；2, stair-stepping irrigation canals and ditches and filter course are utilized, the salt and alkali component taken out of in fresh water is effectively filtered, being recycled by drainage, the most stair-stepping irrigation canals and ditches filter efficiency is high, effect is excellent, and on the other hand fresh water recycles saving water resource and omnidistance pollution-free phenomenon again.
Accompanying drawing explanation
Fig. 1 is a kind of rainwater-collecting and the reutilization system structural representation of the present invention；
Wherein in figure, sequence number is as follows: 1-salt-soda soil, 2-the first irrigation canals and ditches, 3-the second irrigation canals and ditches, 4-the 3rd irrigation canals and ditches, 5-the first filter course, 6-the second filter course, 7-the 4th irrigation canals and ditches, 8-the 5th irrigation canals and ditches, 9-the 6th irrigation canals and ditches, 10-the 3rd filter course, 11-the 4th filter course.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with the present invention.
An aspect of of the present present invention as shown in Figure 1 provides a kind of alkaline land soil improved system, including salt-soda soil 1, and the first irrigation canals and ditches 2 that side, salt-soda soil 1 sets gradually, second irrigation canals and ditches 3 and the 3rd irrigation canals and ditches 4, opposite side sets gradually the 4th irrigation canals and ditches 7, 5th irrigation canals and ditches 8 and the 6th irrigation canals and ditches 9, and first the first filter course 5 arranged in the middle of irrigation canals and ditches 2 and the second irrigation canals and ditches 3, in the middle of second irrigation canals and ditches 3 and the 3rd irrigation canals and ditches 4, the second filter course 6 is set, and the 4th the 3rd filter course 10 arranged in the middle of irrigation canals and ditches 7 and the 5th irrigation canals and ditches 8, in the middle of 5th irrigation canals and ditches 8 and the 6th irrigation canals and ditches 9, the 4th filter course 11 is set, and the water plug 12 for sprinkling irrigation.
Wherein, the first filter course 5 and the 3rd filter course 10 are sandstone layer, and the second filter course 6 and the 4th filter course 11 are sandbag, and low cost, filter effect are excellent；First irrigation canals and ditches the 2, second irrigation canals and ditches 3 and the 3rd irrigation canals and ditches 4 successively decrease the most successively, and the 4th irrigation canals and ditches the 7, the 5th irrigation canals and ditches 8 and the 6th irrigation canals and ditches 9 successively decrease the most successively, and on the one hand without being carried by external force, reducing energy resource consumption, on the other hand naturally osmotic is effective.
Another aspect of the present invention provides a kind of saline-alkali soil improvement method, comprises the following steps,
Step 1, first salt-soda soil 1 surrounding to be excavated layer trapezoidal, then excavates several stepped filtration irrigation canals and ditches in trapezoidal salt-soda soil 1 surrounding.
Fresh water is evacuated on trapezoidal salt-soda soil 1 by step 2, recycling water plug 12, until being impregnated with completely, iterative cycles 4-6 time also stirs soil simultaneously, every minor tick 7 days-15 days.
Step 3, fertilising, apply farm manure or fertilizer or chemical fertilizer and stir soil, increases nutriment content in soil.
Step 4, plantation green plants, if plant normally survives, then fill and lead up the filtration irrigation canals and ditches of salt-soda soil 1 surrounding, carry out the improvement in next plot；Maybe cannot grow if green plants is short and small, then recycling water plug 12 draws water and is diluted salt alkali content in soil.
Wherein, draining in echelon is excavated in salt-soda soil 1 by step 1 fast, utilize and in the middle of first filter course the 5, second irrigation canals and ditches 3 arranged in the middle of the first irrigation canals and ditches 2 and the second irrigation canals and ditches 3 and the 3rd irrigation canals and ditches 4, second filter course 6 is set, and the 4th arrange the 4th filter course 11 in the middle of the 3rd filter course the 10, the 5th irrigation canals and ditches 8 arranged in the middle of irrigation canals and ditches 7 and the 5th irrigation canals and ditches 8 and the 6th irrigation canals and ditches 9, cascade filtration is carried out to washing salt-soda soil 1 water, filter out salt and alkali component in water, make water circulation use, stepped filtration irrigation canals and ditches, rely on water self gravitation to permeate to lower；The salt-soda soil 1 being impregnated with in step 2 uses machinery to stir, stir interval time be 30 minutes-60 minutes once, it is ensured that salt and alkali component occurs without crystalline polamer；The farm manure or the fertilizer that apply in step 3 are feces of livestock and poultry, chemical fertilizer is ammonia, ammonium hydrogen carbonate, lime nitrogen, calcium magnesium phosphate, and fertilizer forms humus through microbial decomposition, conversion, can improve the buffer capacity of soil, and sodium humate can be formed with sodium carbonate effect, reduce surface soil alkalinity.Sodium humate can also stimulate plant growth, strengthens saline-alkaline tolerance；If the green plants planted in step 4 does not survives, pulverizing as organic fertilizer the most on the spot, humus can promote that crumb structure is formed, so that cell size increases, water penetration strengthens, beneficially salt leaching, suppresses the accumulation of salt in the surface soil.Organic matter produces a large amount of organic acid in catabolic process, on the one hand on the other hand can accelerate nutrient decompose with sweetening of the soil alkalescence, and Nutrient Transformation is imitated in promotion late, improves P availability.
The alkaline land soil of the present invention is improved rear (desalinization of soil by flooding or leaching 4 times), and soil salt content is remarkably decreased after tested, and green plants such as trees surviving rate reaches more than 94%, obtains good economic and ecological benefits.
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvement, and these improvement also should be regarded as protection scope of the present invention.
Claims (6)
- null1. an alkaline land soil improved system，It is characterized in that: include salt-soda soil (1)、And the first irrigation canals and ditches (2) that salt-soda soil (1) side sets gradually、Second irrigation canals and ditches (3) and the 3rd irrigation canals and ditches (4),Opposite side sets gradually the 4th irrigation canals and ditches (7)、5th irrigation canals and ditches (8) and the 6th irrigation canals and ditches (9)，And first the first filter course (5) arranged in the middle of irrigation canals and ditches (2) and the second irrigation canals and ditches (3)、In the middle of second irrigation canals and ditches (3) and the 3rd irrigation canals and ditches (4), the second filter course (6) is set，And the 4th the 3rd filter course (10) arranged in the middle of irrigation canals and ditches (7) and the 5th irrigation canals and ditches (8)、In the middle of 5th irrigation canals and ditches (8) and the 6th irrigation canals and ditches (9), the 4th filter course (11) is set，And the water plug (12) for sprinkling irrigation，Described first filter course (5) and the 3rd filter course (10) are sandstone layer，Second filter course (6) and the 4th filter course (11) are sandbag，Described first irrigation canals and ditches (2)、Second irrigation canals and ditches (3) and the 3rd irrigation canals and ditches (4) successively decrease the most successively，Described 4th irrigation canals and ditches (7)、5th irrigation canals and ditches (8) and the 6th irrigation canals and ditches (9) successively decrease the most successively.
- 2. a saline-alkali soil improvement method, it is characterised in that: comprise the following steps,Step 1, first salt-soda soil (1) surrounding is excavated trapezoidal, then excavate several stepped filtration irrigation canals and ditches in trapezoidal salt-soda soil (1) surrounding；Fresh water is evacuated on trapezoidal salt-soda soil (1) by step 2, recycling water plug (12), until being impregnated with completely, iterative cycles 4-6 time also stirs soil simultaneously, every minor tick 7 days-15 days；Step 3, fertilising, apply fertilizer or chemical fertilizer and stir soil, increases nutriment content in soil；Step 4, plantation green plants, if plant normally survives, then fill and lead up the filtration irrigation canals and ditches of salt-soda soil (1) surrounding, carry out the improvement in next plot；Maybe cannot grow if green plants is short and small, then reuse water plug (12) and draw water and be diluted salt alkali content in soil.
- 3. according to a kind of saline-alkali soil improvement method described in claim 2, it is characterized in that: salt-soda soil (1) is excavated draining in echelon by described step 1 fast, utilize the first filter course (5) arranged in the middle of the first irrigation canals and ditches (2) and the second irrigation canals and ditches (3), in the middle of second irrigation canals and ditches (3) and the 3rd irrigation canals and ditches (4), the second filter course (6) is set, and the 4th the 3rd filter course (10) arranged in the middle of irrigation canals and ditches (7) and the 5th irrigation canals and ditches (8), in the middle of 5th irrigation canals and ditches (8) and the 6th irrigation canals and ditches (9), the 4th filter course (11) is set, cascade filtration is carried out with water to washing salt-soda soil (1), filter out salt and alkali component in water, make water circulation use；Stepped filtration irrigation canals and ditches, rely on water self gravitation to permeate to lower.
- 4. according to a kind of saline-alkali soil improvement method described in claim 2, it is characterised in that: the salt-soda soil (1) that is impregnated with in described step 2 uses machinery to stir, stir interval time be 30 minutes-60 minutes once.
- 5. according to a kind of saline-alkali soil improvement method described in claim 2, it is characterised in that: the fertilizer applied in described step 3 is feces of livestock and poultry, and chemical fertilizer is ammonia, ammonium hydrogen carbonate, lime nitrogen, calcium magnesium phosphate.
- 6. according to a kind of saline-alkali soil improvement method described in claim 2, it is characterised in that: if the green plants planted in described step 4 does not survives, pulverize as organic fertilizer the most on the spot.
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| CN105210490B (en) * | 2015-08-21 | 2017-07-28 | 浙江益壤环保科技有限公司 | A kind of excellent native breeding apparatus of automatic turning soil |
| JP6773409B2 (en) * | 2015-12-01 | 2020-10-21 | 五洋建設株式会社 | Desalination and improvement methods for cohesive soil |
| CN106670220A (en) * | 2016-12-24 | 2017-05-17 | 苏州千层茧农业科技有限公司 | Soil remediation method |
| CN109673193B (en) * | 2019-03-04 | 2023-08-18 | 山东农业大学 | A system and method for washing salt in saline-alkali soil |
| CN109673197B (en) * | 2019-03-04 | 2021-10-29 | 山东农业大学 | A kind of space-time separation type three-dimensional planting method in severe saline-alkali land |
| CN112314097A (en) * | 2020-10-27 | 2021-02-05 | 衡阳市顶点环保设备有限公司 | Saline-alkali soil treatment system and treatment method thereof |
| CN113692796B (en) * | 2021-09-30 | 2022-04-01 | 深圳市万卉园景观工程有限公司 | A arrange salt structure that is used for coastal saline and alkaline land to restore and administer |
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| CN102812843A (en) * | 2012-09-20 | 2012-12-12 | 滨州学院 | Comprehensive matching technology for constructing road shelter forests in heavy saline-alkali soil sections of coastal areas |
| CN102939806A (en) * | 2012-11-21 | 2013-02-27 | 清华大学 | Method and system for desalting soil of coastal saline and alkaline land |
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| US9831641B2 (en) * | 2013-03-15 | 2017-11-28 | G-Ro Technologies, Llc | Variable ion generation and delivery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202099777U (en) * | 2011-05-23 | 2012-01-04 | 东南大学 | Ecotype bank revetment structure |
| CN202170502U (en) * | 2011-07-05 | 2012-03-21 | 长沙理工大学 | Soil cut slope drainage system |
| CN102812843A (en) * | 2012-09-20 | 2012-12-12 | 滨州学院 | Comprehensive matching technology for constructing road shelter forests in heavy saline-alkali soil sections of coastal areas |
| CN102939806A (en) * | 2012-11-21 | 2013-02-27 | 清华大学 | Method and system for desalting soil of coastal saline and alkaline land |
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