CN104969682B - Desalting method of saline-alkali soil - Google Patents
Desalting method of saline-alkali soil Download PDFInfo
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- CN104969682B CN104969682B CN201510433384.0A CN201510433384A CN104969682B CN 104969682 B CN104969682 B CN 104969682B CN 201510433384 A CN201510433384 A CN 201510433384A CN 104969682 B CN104969682 B CN 104969682B
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Abstract
The invention discloses a desalting method of saline-alkali soil. The desalting method comprises steps of ploughing and leveling a to-be-managed field after crops are harvested in winter; after paving soft materials with fine holes, performing winter irrigation, and uncovering the soft materials after water in the field completely infiltrates downwards, at which time parts of saline-alkaline has been adhered to the surfaces of the soft materials; during sowing at the beginning of spring, arranging grooves with 10cm widths and 5 cm depths in 30 cm places of two sides of a sowing line; and laying drip irrigation drip irrigation belts and mulching films on the sowing lines, dropping water into the drop irrigation belts when water is short in the field. Water moves towards 30-40 cm periphery of the sowing lines with salt and enters the soft materials. Via the siphonic effect, the salt is taken to the surfaces of the soft materials. According to the invention, based on cultivation characteristics of arid regions, saline-alkaline in soil can be collected and removed without changing cultivation modes by use of the soil siphonic effect, so salt in the soil can be quickly and easily collected, an objective of improving soil quality can be achieved, and the desalting method is easy to operate and lower in cost.
Description
Technical field
The present invention relates to soil treatment field is and in particular to a kind of saline-alkali soil desalination method.
Background technology
The modification method in arid area salt-soda soil is mainly washing salinity by irrigation method at present, according to " salt is with water Lai salt goes with water "
Rule, water is poured in ground, forms the water layer of certain depth on ground, so that the salinity in soil is fully dissolved, then from draining
The salinity of dissolving drained by ditch.Thus reducing the salinity of soil.For having abundant water resources and not possessing the area of washing salinity by irrigation
There is the method using rice cultivation, because after rice cultivation.By basining irrigation for a long time and.Draining is changed, and the salinity in soil can
To be leached and to discharge.Also have deep ploughing subsoiling method, deepen topsoil, can accelerate to drench salt, prevent the accumulation of salt in the surface soil, strengthen keeping soil water ability,
The nutrient situation of improved soil.It is exactly finally soil moved in improve the original pressure alkaline process, soil moved in improve the original is exactly soil removal and replacement, and soil moved in improve the original can improve the physical property in salt-soda soil
Matter.There is suppression salt, drench salt, pressure alkali and reinforcement.The effect of soil fertility.Soil salt content can be made to be reduced to will not damage to crops growth
Degree.
Said method some areas application effect not good or promote unfavorable, mainly relatively costly, implement complicated, to water
Source or hardware requirement are high, as washing salinity by irrigation requires must abolish ridge in time in spring irrigation or winter irrigation, otherwise because of soil
Siphonage, the part spilling the water surface at first can cause salt accumulation by the capillary attraction large quantity of moisture of soil, is irrigating
At the end of saline and alkaline crystallization occurs, if this part soil unprocessed direct plough fall, the crops that can lead to this region cannot
The situation of growth occurs.And also cannot rice cultivation for a long time for the insufficient area in water source.Deep ploughing subsoiling is possible to ground
Lower deep alkali is dug, and causes more serious salinization of soil.Soil moved in improve the original pressure alkali cost is high, larger for spread difficulty.
Content of the invention
For solving the above problems, the invention provides a kind of saline-alkali soil desalination method, in conjunction with arid biogeographic zone farming feature, not
On the premise of correcting tillage method, using soil siphon principle, centralized collection is carried out to soil alkaline and removes, reach cost-effective,
The convenient purpose promoted.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of saline-alkali soil desalination method, comprises the steps:
After s1, in autumn crop harvesting, field to be administered plough is fallen, leveling, after spreading the punctulate flexible material of band, enter
Row winter irrigation, after water consumpation oozes down completely, takes flexible material off；Now partly saline and alkaline it has been attached to flexible material surface；
When s2, beginning of spring sowing, open up 10cm width 5cm zanjon at sowing row both sides 30cm, and lay flexible material, planting
Row laying drip irrigation zone and mulch film, in field hydropenia, drip in drip irrigation zone, and moisture carries salinity and moves at kind of row periphery 30-40cm
Dynamic, enter flexible material, carried salinity to flexible material surface by siphonage.
Wherein, described flexible material includes but is not limited to fibrous paper, plastic paper.
Wherein, described flexible material including but not limited to carries the fiber paper-like materials of capillary tube class formation.
The method have the advantages that
In conjunction with arid biogeographic zone farming feature, on the premise of not changing tillage method, using soil siphon principle to soil salt
Alkali carries out centralized collection and removes, and convenient and swift can concentrate and collect salinity in soil, reach the purpose improving soil soil property, simultaneously
The method is easy to operate, and cost is relatively low.
Specific embodiment
In order that objects and advantages of the present invention become more apparent, with reference to embodiments the present invention is carried out further
Describe in detail.It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit this
Bright.
Embodiment 1
After s11, in autumn crop harvesting, field to be administered plough is fallen, leveling, after spreading fibrous paper, carry out winter irrigation, treat field
Between after moisture oozes down completely, take flexible material off；Now partly saline and alkaline it has been attached to fibrous paper surface；
When s12, beginning of spring sowing, open up 10cm width 5cm zanjon at sowing row both sides 30cm, and lay fibrous paper, planting
Row laying drip irrigation zone and mulch film, in field hydropenia, drip in drip irrigation zone, and moisture carries salinity and moves at kind of row periphery 30cm,
Enter fibrous paper, carried salinity to fibrous paper surface by siphonage.
Embodiment 2
After s21, in autumn crop harvesting, field to be administered plough is fallen, leveling, after spreading plastic paper, carry out winter irrigation, treat field
Between after moisture oozes down completely, take flexible material off；Now partly saline and alkaline it has been attached to plastic paper surface；
When s22, beginning of spring sowing, open up 10cm width 5cm zanjon at sowing row both sides 30cm, and lay plastic paper, planting
Row laying drip irrigation zone and mulch film, in field hydropenia, drip in drip irrigation zone, and moisture carries salinity and moves at kind of row periphery 40cm,
Enter fibrous paper, carried salinity to plastic paper surface by siphonage.
Embodiment 3
After s31, in autumn crop harvesting, field to be administered plough is fallen, leveling, after spreading plastic paper, carry out winter irrigation, treat field
Between after moisture oozes down completely, take flexible material off；Now partly saline and alkaline it has been attached to plastic paper surface；
When s32, beginning of spring sowing, open up 10cm width 5cm zanjon at sowing row both sides 30cm, and lay plastic paper, planting
Row laying drip irrigation zone and mulch film, in field hydropenia, drip in drip irrigation zone, and moisture carries salinity and moves at kind of row periphery 35cm,
Enter plastic paper, carried salinity to plastic paper surface by siphonage.
Embodiment 4
After s31, in autumn crop harvesting, field to be administered plough is fallen, leveling, after spreading fibrous paper, carry out winter irrigation, treat field
Between after moisture oozes down completely, take flexible material off；Now partly saline and alkaline it has been attached to fibrous paper surface；
When s32, beginning of spring sowing, open up 10cm width 5cm zanjon at sowing row both sides 30cm, and lay fibrous paper, planting
Row laying drip irrigation zone and mulch film, in field hydropenia, drip in drip irrigation zone, and moisture carries salinity and moves at kind of row periphery 35cm,
Enter fibrous paper, carried salinity to fibrous paper surface by siphonage.
Originally the principle being embodied as spreads toilet paper similar to after white footwear, saline and alkaline can be attached to toilet paper surface, it is to avoid footwear
Turn yellow hardening, remove a large amount of salt of upper soll layer by using the fiber paper-like materials with capillary tube class formation and siphon principle
Point, the method being combined using the drip irrigation desalinization of soil by flooding or leaching and siphon principle is controlled to plant strain growth area salinity, provides for plant growing
Good soil environment, can significantly reduce plough horizon plant strain growth region salt content, and then realizes salt-soda soil is entered
Row develops, and reduces production cost.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (3)
1. a kind of saline-alkali soil desalination method is it is characterised in that comprise the steps:
After s1, in autumn crop harvesting, field to be administered plough is fallen, leveling, after spreading the punctulate flexible material of band, carry out the winter
Fill, after water consumpation oozes down completely, take flexible material off；
When s2, beginning of spring sowing, open up 10cm width 5cm zanjon at sowing row both sides 30cm, and lay flexible material, in kind of a row paving
If drip irrigation zone and mulch film, in field hydropenia, drip in drip irrigation zone, and moisture carries salinity and moves at kind of row periphery 30-40cm, enters
Enter flexible material, carried salinity to flexible material surface by siphonage.
2. a kind of saline-alkali soil desalination method according to claim 1 is it is characterised in that described flexible material includes fiber
Paper, plastic paper.
3. a kind of saline-alkali soil desalination method according to claim 1 is it is characterised in that described flexible material includes carrying hairiness
The fiber paper-like materials of tubule class formation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510433384.0A CN104969682B (en) | 2015-07-18 | 2015-07-18 | Desalting method of saline-alkali soil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510433384.0A CN104969682B (en) | 2015-07-18 | 2015-07-18 | Desalting method of saline-alkali soil |
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| CN104969682A CN104969682A (en) | 2015-10-14 |
| CN104969682B true CN104969682B (en) | 2017-02-01 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105766123A (en) * | 2016-03-30 | 2016-07-20 | 天津市福森园林景观工程有限公司 | Soil improvement method for saline-alkali soil |
| CN106171586A (en) * | 2016-08-03 | 2016-12-07 | 新疆林业科学院 | A kind of remove flowerpot soil in saline and alkaline method |
| CN107820761A (en) * | 2016-12-13 | 2018-03-23 | 中国农业大学 | A kind of dry drainage method suitable for arid region saline-alkali soil |
| CN108566794A (en) * | 2018-04-27 | 2018-09-25 | 中国科学院长春应用化学研究所 | A kind of methods of cultivation in salt-soda soil |
| CN111819944B (en) * | 2020-07-21 | 2023-06-06 | 鲁东大学 | Desalting method for repairing saline soil by combining plant bionic and salt crystallization inhibitor |
| CN112840786B (en) * | 2021-01-21 | 2022-04-15 | 浙江萧建集团有限公司 | Saline-alkali soil improvement and salt elimination method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5829192A (en) * | 1996-12-23 | 1998-11-03 | Gatliff; Edward G. | Method for focusing the growth of a vegetative root system to target a contaminated area |
| US6108972A (en) * | 1998-02-23 | 2000-08-29 | Solis; George Patrick | Apparatus for and methods of bracing soil, retaining water, and blocking roots |
| AU2001230993A1 (en) * | 2000-01-20 | 2001-07-31 | Solizone, Inc. | Method and system for weed control |
| CN101045237B (en) * | 2006-12-22 | 2011-01-19 | 薄学锋 | Method for improving medium or serious saline and alkaline land by the sea, and comprehensive utilization of the same |
| CN102067753B (en) * | 2010-12-23 | 2012-08-22 | 山东大学 | Long-term governance method for converting saline-alkali soil into fertile farmland |
| CN103141296A (en) * | 2013-04-06 | 2013-06-12 | 青岛农业大学 | Coastal heavy saline-alkaline land sweet potato high-yield cultivation method |
| CN104396541B (en) * | 2014-12-11 | 2016-08-24 | 中国科学院新疆生态与地理研究所 | A kind of original soil long-acting modification method of arid biogeographic zone farmland salting stain |
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