CN107852881A - A kind of method of improved soil salinization of soil - Google Patents
A kind of method of improved soil salinization of soil Download PDFInfo
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- CN107852881A CN107852881A CN201711276088.XA CN201711276088A CN107852881A CN 107852881 A CN107852881 A CN 107852881A CN 201711276088 A CN201711276088 A CN 201711276088A CN 107852881 A CN107852881 A CN 107852881A
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- soil
- stalk
- salinization
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- barrier layer
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of method of improved soil salinization of soil.Wherein, comprise the following steps：(1) stalk is cut；(2) stalk after cutting is embedded in soil and forms barrier layer；(3) soil for burying the stalk is watered, below the salt leaching in soil to the barrier layer.It is used as barrier layer by laying stalk below the arable layer of salt-soda soil, break the connection of soil capillary gap between soil levels, the purpose for blocking soil lower floor's moisture to be migrated to upper strata is reached, it is achieved thereby that the technique effect that lower soil salinity will not shift with moisture to upper strata, and then solves the technical problem of the easy accumulation of salt in the surface soil in salt-soda soil after improvement, not only cost is low and raw material sources are extensive, and and can realizes the abundant recycling to stalk.
Description
Technical field
The present invention relates to alkaline land improving technical field, in particular to a kind of method of improved soil salinization of soil.
Background technology
The salinization of soil refers to the phenomenon or process that ease of solubility salinity accumulates in upper soll layer.The distribution model of Chinese saline-alkali soil
Enclose that wide, area is big, type is more, the hm of the gross area about 100,000,0002.Except in coastal region, salinization of soil occurs due to being influenceed by Seawater immersion
Outside, the in general soil salinization occurs mainly in arid and semiarid zone, and rainwash and interflow subsurface drainage are detained drainage difficulty
And level of ground water area higher.Due to drought, evaporation from land effect is strong, contained salinity in parent soil material and underground water,
Earth's surface is accumulated in as soil capillary water rises.In addition, in pole arid area, even if underground water is very deep, high mineralization earth's surface
The salinity that runoff carries, it can also make soil that salinization of soil occur.
The measure for administering salt-soda soil has water conservancy ameliorative measure：Irrigation, draining, warp, plant rice, antiseepage etc.；Agricultural improvement is arranged
Apply：Level land, improve farming, apply soil moved in improve the original, fertilising, sowing, crop rotation, kind interplanting etc.；Biological modification measure：Salt tolerant is planted to plant
Thing and herbage, green manure, afforestation etc.；With chemical modifying measure：Using upgrade materials, such as gypsum, ardealite, calcium sulfite
Deng.Because each measure has the certain scope of application and condition, it is therefore necessary to suit measures to local conditions, the comprehensive regulation.
Pressure salt method of the prior art of irrigating is irrigated using natural precipitation or artificial flood, makes part saline and alkaline along soil
Hole, the infiltration downwards such as crack, the salinity of topsoil is taken to bottom with water, although the above method can make saline and alkaline earth's surface
The salt content of layer reduces, but is also easy to produce level of ground water and rises after the soil infiltration after improvement, it is become saline-alkali soil again again
Form the phenomenon of the accumulation of salt in the surface soil.
Therefore, cost is low and suitable for various salt-soda soils, and with the alkaline land improving of good anti-accumulation of salt in the surface soil effect
The problem of scheme is still this area urgent need to resolve.
The content of the invention
The embodiments of the invention provide a kind of method of improved soil salinization of soil, is held with least solving the salt-soda soil after improvement
The technical problem of the easy accumulation of salt in the surface soil.
A kind of one side according to embodiments of the present invention, there is provided method of improved soil salinization of soil.
Comprise the following steps：(1) stalk is cut；(2) stalk after cutting is embedded in be formed in soil and blocked
Layer；(3) soil for burying stalk is watered, below the salt leaching in soil to barrier layer.
Optionally, burying the operation of stalk includes：Excavate the soil of desired depth；Stalk after cutting is uniformly tiled
In the hole dug, barrier layer is formed；Then the soil dug out is backfilling into hole and is compacted.
Optionally, the desired depth for excavating soil is 40cm.
Optionally, the thickness of the barrier layer formed is 15cm.
Optionally, the operation of watering includes pouring water to the soil for burying stalk by the way of broad irrigation.
Optionally, method, which is additionally included in when earth's surface water reaches 10cm depths, stops pouring water.
Optionally, method is additionally included in the preceding soil surrounding to laying stalk of watering and stamps field bund.
Optionally, the height of field bund is 20cm.
Optionally, in step (1), the Cutting Length of stalk is 3-5cm.
Optionally, stalk is cornstalk.
In embodiments of the present invention, it is used as barrier layer by laying stalk below the arable layer of salt-soda soil, breaks on soil
The connection of soil capillary gap between lower floor, reach the purpose for blocking soil lower floor's moisture to be migrated to upper strata, it is achieved thereby that
The technique effect that lower soil salinity will not shift with moisture to upper strata, and then solve the easy accumulation of salt in the surface soil in salt-soda soil after improvement
Technical problem, not only cost is low and raw material sources are extensive, and and can is realized to the abundant recycling of stalk.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen
Schematic description and description please is used to explain the application, does not form the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the sectional view of soil of the present invention；
Fig. 2 is the state diagram of earth excavation of the present invention；
Fig. 3 is the state diagram of present invention laying stalk；
Fig. 4 is the state diagram of backfill soil after present invention laying stalk.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Embodiment 1
Referring to accompanying drawing, the present embodiment provides a kind of method of improved soil salinization of soil, comprises the following steps：
(1) stalk is cut；
(2) as shown in Figure 3, Figure 4, the stalk after cutting is embedded in soil and forms barrier layer；
(3) soil for burying the stalk is watered, below the salt leaching in soil to the barrier layer.
By scheme disclosed in above-described embodiment, it is used as barrier layer by laying stalk below the arable layer of salt-soda soil, beats
The connection of soil capillary gap between earth levels of breaking ground, reach the purpose for blocking soil lower floor's moisture to be migrated to upper strata, from
And the technique effect that lower soil salinity will not shift with moisture to upper strata is realized, and then solve the salt-soda soil after improvement
The technical problem of the easy accumulation of salt in the surface soil, not only cost is low and raw material sources are extensive, and and can realizes the abundant recycling to stalk.
Referring to Fig. 1-Fig. 4, the operation of embedded stalk includes：In salt-soda soil earth excavation before laying stalk, pre- depthkeeping is excavated
The soil of degree；Stalk after cutting is uniformly laid in the hole dug, forms barrier layer；The soil dug out is backfilled
In to hole and it is compacted.
Specifically, the desired depth for excavating soil is below 40cm to arable layer.
In addition, the thickness for the barrier layer that laying stalk is formed is 15cm.
Specifically, the operation of watering includes pouring water to the soil for burying stalk by the way of broad irrigation, to ground
Stop irrigating during table water, the salinity in soil above stalk is flushed to below barrier layer, so as to reduce soil in arable layer
The content of salt ion.Wherein, stop pouring water when earth's surface water reaches 10cm depths.
To prevent current from losing, field bund is stamped to the soil surrounding for laying stalk before watering, water is intercepted in field bund, wherein
The height of field bund is 20cm.
In addition, in step (1), the Cutting Length of stalk is 3-5cm.Wherein, stalk can be cornstalk, but this is not
It is unique, the stalk of the crops such as rice, wheat, sorghum can also realize the technique effect of the present embodiment.
Principle：It is to be filled into using the abundant stalk resource for being very easy to obtain below arable layer that stalk, which blocks, is broken
The connection of soil capillary gap between soil levels, play a part of blocking soil lower floor's moisture to migrate to upper strata, so as to subtract
Few lower soil salinity shifts to upper strata with moisture.Elution is to administer the conventional meanses of the salinization of soil, and stalk, which blocks, to be completed
Afterwards, broad irrigation, the salinity in soil above stalk is flushed to below barrier layer, so as to reduce soil salt ion in arable layer
Content.
In addition, the method for the improved soil salinization of soil that the present embodiment provides can not only hinder the salt between soil levels
Partite transport moves, while can improve the air permeability of soil, reduces the salt content of soil, improves crops and relies growth
Edaphic condition, significantly improve the yield of wheat and corn.
Effect：Choose two pieces of typical salt-soda soils to be compareed, labeled as A, B, A is trial zone, and B is used as control
Area.
Trial zone A, cuts by stalk successively, earth excavation, stalk laying and burial, ridging, the step such as broad irrigation,
Wherein earth excavation depth is 40cm, and stalk Cutting Length is 3-5cm, and its laying depth in the earthwork is 15cm, field bund
Highly it is 20cm, broad irrigation to earth's surface water 10cm stops pouring water, and then plants wheat on treated salt-soda soil.
Check plot B, wheat is planted on the salt-soda soil treated without above-mentioned steps.
Data measured A1 and B1 after 8 months, this season wheat seed and stalk yield trials area A are respectively increased compared with check plot B
25.3% and 21.7%.
Using identical processing mode, lower stubble corn kernel and stalk yield trials area A are respectively increased compared with check plot B
31.4% and 28.1%.Therefore, stalk, which blocks soil salt transfer to administer the salinization of soil, more significant effect.
Above-mentioned the embodiment of the present application sequence number is for illustration only, does not represent the quality of embodiment.In the above-mentioned reality of the application
Apply in example, the description to each embodiment all emphasizes particularly on different fields, and does not have the part being described in detail in some embodiment, may refer to other realities
Apply the associated description of example.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. method of improved soil salinization of soil, it is characterised in that comprise the following steps：(1) stalk is cut；(2) stalk after cutting is embedded in soil and forms barrier layer；And(3) soil for burying the stalk is watered, below the salt leaching in soil to the barrier layer.
- 2. the method for improved soil salinization of soil according to claim 1, it is characterised in that bury the operation bag of the stalk Include：Excavate the soil of desired depth；The stalk after cutting is uniformly laid in the hole dug, forms the barrier layer；AndThe soil dug out is backfilling into the hole and is compacted.
- 3. the method for improved soil salinization of soil according to claim 2, it is characterised in that excavate the pre- depthkeeping of soil Spend for 40cm.
- 4. the method for improved soil salinization of soil according to claim 2, it is characterised in that the thickness of the barrier layer formed For 15cm.
- 5. the method for improved soil salinization of soil according to claim 1, it is characterised in that the operation of the watering includes adopting The soil for burying the stalk is poured water with the mode of broad irrigation.
- 6. the method for improved soil salinization of soil according to claim 5, it is characterised in that methods described is additionally included in earth's surface Stop pouring water when water reaches 10cm depths.
- 7. the method for improved soil salinization of soil according to claim 5, it is characterised in that methods described is additionally included in watering The preceding soil surrounding to laying the stalk stamps field bund.
- 8. the method for improved soil salinization of soil according to claim 7, it is characterised in that the height of the field bund is 20cm。
- 9. the method for improved soil salinization of soil according to claim 1, it is characterised in that in the step (1), stalk Cutting Length be 3-5cm.
- 10. the method for improved soil salinization of soil according to claim 1, it is characterised in that the stalk is cornstalk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276088.XA CN107852881A (en) | 2017-12-06 | 2017-12-06 | A kind of method of improved soil salinization of soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276088.XA CN107852881A (en) | 2017-12-06 | 2017-12-06 | A kind of method of improved soil salinization of soil |
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| CN107852881A true CN107852881A (en) | 2018-03-30 |
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| CN201711276088.XA Pending CN107852881A (en) | 2017-12-06 | 2017-12-06 | A kind of method of improved soil salinization of soil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109937639A (en) * | 2019-03-29 | 2019-06-28 | 宁夏农林科学院农业生物技术研究中心（宁夏农业生物技术重点实验室） | A method of improvement salt-soda soil |
| CN112048311A (en) * | 2020-09-30 | 2020-12-08 | 曾敦华 | Salt return blocking agent for desert and saline-alkali soil and preparation method and application thereof |
| CN112042306A (en) * | 2020-09-21 | 2020-12-08 | 兰州资源环境职业技术学院 | Saline-alkali soil adjusting device and construction method thereof |
| CN112930738A (en) * | 2021-01-26 | 2021-06-11 | 西南石油大学 | Rapid repairing system and method for saline soil field |
| CN113179854A (en) * | 2021-06-02 | 2021-07-30 | 沧州职业技术学院 | Method for cultivating morchella in saline-alkali soil greenhouse |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102550159A (en) * | 2011-10-21 | 2012-07-11 | 中国农业科学院农业资源与农业区划研究所 | Method and system for controlling salt of saline-alkali soil |
| CN102900059A (en) * | 2012-11-06 | 2013-01-30 | 河海大学 | Combined draining and saline controlling system for saline and alkaline land |
| CN103329658A (en) * | 2013-06-21 | 2013-10-02 | 河海大学 | Sectional three-dimensional structure for fast desalting and soil improvement of saline-alkali soil of new tidal marsh reclamation area |
-
2017
- 2017-12-06 CN CN201711276088.XA patent/CN107852881A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102550159A (en) * | 2011-10-21 | 2012-07-11 | 中国农业科学院农业资源与农业区划研究所 | Method and system for controlling salt of saline-alkali soil |
| CN102900059A (en) * | 2012-11-06 | 2013-01-30 | 河海大学 | Combined draining and saline controlling system for saline and alkaline land |
| CN103329658A (en) * | 2013-06-21 | 2013-10-02 | 河海大学 | Sectional three-dimensional structure for fast desalting and soil improvement of saline-alkali soil of new tidal marsh reclamation area |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109937639A (en) * | 2019-03-29 | 2019-06-28 | 宁夏农林科学院农业生物技术研究中心（宁夏农业生物技术重点实验室） | A method of improvement salt-soda soil |
| CN112042306A (en) * | 2020-09-21 | 2020-12-08 | 兰州资源环境职业技术学院 | Saline-alkali soil adjusting device and construction method thereof |
| CN112042306B (en) * | 2020-09-21 | 2022-11-11 | 兰州资源环境职业技术学院 | Saline-alkali soil adjusting device and construction method thereof |
| CN112048311A (en) * | 2020-09-30 | 2020-12-08 | 曾敦华 | Salt return blocking agent for desert and saline-alkali soil and preparation method and application thereof |
| CN112930738A (en) * | 2021-01-26 | 2021-06-11 | 西南石油大学 | Rapid repairing system and method for saline soil field |
| CN113179854A (en) * | 2021-06-02 | 2021-07-30 | 沧州职业技术学院 | Method for cultivating morchella in saline-alkali soil greenhouse |
| CN113179854B (en) * | 2021-06-02 | 2022-07-26 | 沧州职业技术学院 | Method for cultivating morchella in saline-alkali soil greenhouse |
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Application publication date: 20180330 |