CN104396375A - Soil salinity regulating rod - Google Patents
Soil salinity regulating rod Download PDFInfo
- Publication number
- CN104396375A CN104396375A CN201410742718.8A CN201410742718A CN104396375A CN 104396375 A CN104396375 A CN 104396375A CN 201410742718 A CN201410742718 A CN 201410742718A CN 104396375 A CN104396375 A CN 104396375A
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- China
- Prior art keywords
- soil
- pvc pipe
- regulation
- control rod
- salt
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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 relates to a soil salinity regulating rod. The regulating rod comprises a first PVC tube with a cylindrical upper portion, and a second PVC tube with a pointy lower portion; aqueous salt absorption units and adsorption slow-release units are sequentially or alternately laid outside-in along the tube walls inside both the first PVC tube and the second PVC tube; the aqueous salt absorption units are layered structures consisting of vermiculite and sepiolite fabric based on a volume ratio of 1:1 to 4; and the adsorption slow-release units are layered or cylindrical structures consisting of saturated zeolite and mushroom residue based on a volume ratio of 5 to 8:2 to 5. The regulating rod is able to absorb and fix the aqueous salt in soil removed from some other place; and improve the vent ability of clayed soil. Compared with the method of the prior art, the rise of salinity in soil removed from some other place is controlled, and the vent ability of clayed soil is maintained, thus the salt-leaching effect is more reasonable.
Description
Technical field
The present invention relates to ecotope field, particularly relate to a kind of management of soil salt rod, after being especially applicable to coastal region alkaline land improving, change the control of salt content in soil moved in improve the original.
Background technology
The feature in coastal region saline land roughly can be summarized as: one large, three high, one low and one poor.Evaporation discharge is large, subterranean water level is high and degree of mineralization of ground water height forms the root of beach saline land, finally causes that soil salt is high, nutrient content is low and soil structure is poor.Coastal region alkaline land soil mostly is clayed soil, and air capacity of soils is poor, thus root system of plant cannot be breathed.At present, for the problem of alkaline land improving, China's Coastal Areas planting carries out alkaline land improving mainly through hidden pipe salt discharge and the microcell method combined of improving the soil.Although the method is improved the soil as plant provides a good growing environment by microcell.But As time goes on, especially in coastal area, the salt branch in underground water rises with capillary water and is gathered in upper soll layer, and soil moved in improve the original soil property slowly can become salt affected soil, has a negative impact to the growth of plant.Secondly, for the air capacity of soils in saline land, solve mainly through the method for filling with husky in the punching of plant periphery.But there is certain defect in the method: namely the time long after permeability and desalinization of soil by flooding or leaching effect all undesirable.
Summary of the invention
The object of the invention is for problems such as soil moved in improve the original salinity risings after coastal region alkaline land improving, propose a kind of management of soil salt rod taking into account gas permeability and desalinization of soil by flooding or leaching effect.
For achieving the above object, the invention provides a kind of management of soil salt rod, described regulation and control rod comprises the first pvc pipe that top is cylindricality and bottom is the second pointed pvc pipe, the water salt absorptive unit and adsorption sustained-release unit laying along tube wall ecto-entad order or alternately lay is equipped with in described first pvc pipe and the second pvc pipe, the layer structure that described water salt absorptive unit is formed for the volume ratio vermiculite that is 1:1 ~ 4 and sepiolite cashmere, the layer structure that described adsorption sustained-release unit is formed for the volume ratio saturated zeolite that is 5 ~ 8:2 ~ 5 and bacterium chaff or column structure.
Preferably, the internal diameter of described first pvc pipe is 5 ~ 15cm.
Preferably, the length of described regulation and control rod is 10 ~ 100cm.
Preferably, the cross section of described first pvc pipe is circular, oval or polygon.
Preferably, the global shape of described second pvc pipe is wedge shape or taper shape.
Preferably, described first pvc pipe and the second pvc pipe have opened hole.
Preferably, when described adsorption sustained-release unit is column structure, the width of described adsorption sustained-release unit is 5 ~ 10cm.
Based on technique scheme, advantage of the present invention is:
The present invention is directed to the problem such as soil moved in improve the original salinity rising after coastal region alkaline land improving, vermiculite, sepiolite cashmere, zeolite, bacterium chaff etc. is utilized to have the features such as stronger water imbibition, adsorptivity and ion-exchange material, through science combination and device, define a kind of permanently effective management of soil salt rod.This regulation and control rod can carry out the water salt entered in soil moved in improve the original absorbing and adsorb fixing, and solves the air capacity of soils of clayed soil.Compared with conventional method, control the rising of salinity in soil moved in improve the original and maintain the permeability of clayed soil, desalinization of soil by flooding or leaching effect is ideal.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is management of soil salt bar structure schematic diagram;
Fig. 2 is management of soil salt rod schematic cross-section;
Wherein, 1 ~ the first pvc pipe; 2 ~ the second pvc pipes; 3 ~ water salt absorptive unit; 4 ~ adsorption sustained-release unit.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The invention provides a kind of management of soil salt rod, particularly, see Fig. 1, Fig. 2, described regulation and control rod comprises the first pvc pipe 1 that top is cylindricality and bottom is the second pointed pvc pipe 2.The internal diameter of described first pvc pipe 1 is 5 ~ 15cm, and its cross section is wedge shape or taper shape for the global shape of the second pvc pipe 2 described in circular, oval or polygon, is convenient to insert soil.The length of described regulation and control rod is 10 ~ 100cm, can supply the different root system of plant distribution layer choice for uses such as draft, shrub, arbor.Preferably, described first pvc pipe 1 and the second pvc pipe 2 open hole, so that the inside that salinity enters described first pvc pipe 1 and the second pvc pipe 2 is fixed.
Further, the water salt absorptive unit 3 and adsorption sustained-release unit 4 laying along tube wall ecto-entad order or alternately lay is equipped with in described first pvc pipe 1 and the second pvc pipe 2.
The layer structure that described water salt absorptive unit 3 is formed for the volume ratio vermiculite that is 1:1 ~ 4 and sepiolite cashmere, thickness is about 1 ~ 5cm.Described vermiculite is graininess, belongs to clay of laminar silicate mineral, and its structure is similar to montmorillonite, and there are a lot of hole and passage in vermiculite crystal structure inside, and therefore vermiculite has very huge specific surface area.Secondly the intracell element silicon of vermiculite construction unit can be replaced by aluminium, and cause vermiculite with permanent negative electrical charge, therefore vermiculite has very strong adsorptivity to the cation in soil.The cation exchange capacity of vermiculite is up to 100 ~ 150mmol100g
-1, saturation moisture content is 184% of own wt.
Described sepiolite cashmere is cotton-shaped, belongs to laminar silicic acid salt.Structural model according to Blang and Pu Lai Singh calculates, and the total surface area of sepiolite is 800 ~ 900m
2/ g, wherein internal surface area is about 500m
2/ g, external surface area is about 400m
2/ g.Exactly because sepiolite cashmere has so powerful specific surface area and pore capacities, cause sepiolite cashmere to have very strong absorption property and water absorbing properties, the moisture content of sepiolite cashmere is the highest can reach 200% ~ 250% of himself weight.
Because sepiolite cashmere and vermiculite have very strong absorption property and water absorbing properties, so what the water salt in soil moved in improve the original can be a large amount of enters in water salt absorptive unit 3 along pvc pipe end face and the hole opened on described pvc pipe.First water salt in soil absorbed in a large number by water salt absorptive unit 3 and preliminary absorption to salinity, and increase the transverse movement of water salt further, undertaken adsorb and fix to promote salinity by adsorption sustained-release unit 4 afterwards.
Further, the layer structure that formed for the volume ratio saturated zeolite that is 5 ~ 8:2 ~ 5 and bacterium chaff of described adsorption sustained-release unit 4 or column structure.When described water salt absorptive unit 3 lays one deck with adsorption sustained-release unit 4 order, described adsorption sustained-release unit 4 is column structure, and its diameter is 5 ~ 10cm.When described water salt absorptive unit 3 is alternately laid with adsorption sustained-release unit 4, described adsorption sustained-release unit 4 is layer structure, and profile is cylindric.
Described zeolite is graininess, belongs to clay of laminar silicate mineral, and zeolite has following three features: (1) has aluminosilicate framework structure, as Si in zeolite crystal structure
4+by Al
3+when replacing, whole crystal structure is electronegative, and in order to keep neutral, zeolite is generally compensated by alkali and alkaline earth metal ions, such as Ca
2+, Na
+, Ba
2+deng; (2) whole silicate framework inside has size homogeneous and interconnective passage and hole, and this makes zeolite have powerful specific surface area, and the specific surface area of every gram of zeolite can reach 355 ~ 1000m
2, therefore the adsorption capacity of zeolite is very strong; (3) aperture of zeolite channels is about 0.3 ~ 1nm, and the salination characteristic ion Na of coastal area
+, Ca
2+the diameter of ion is all less than the aperture of zeolite channels, and therefore these salinity characteristic ions all can be fixed by zeolite.
Zeolite of the present invention is carry out the zeolite after saturated process by the reagent of calcium, magnesium ion, has maximum calcium ions and magnesium ions and the exchange capacity of sodium ion, strengthens the effect of the desalinization of soil by flooding or leaching.
Further, described bacterium chaff is primary raw material by the stalk of the multiple kinds of crops such as straw, corncob, wood sawdust, wheat shell or industrial residue, in order to the solid culture medium of edible fungus culturing, and remaining solid waste after edible fungus culturing.The bacterium chaff that the present invention uses is after pulverizing, and granularity is less than 1.0cm.The Ca of organic matter, full phosphorus, rapid available phosphorus, available potassium, microorganism energy, various trace elements and interchangeability is still rich in waste mushroom leftover
2+and Mg
2+deng the soil activating factor.When bacterium chaff is through release, these activation factors in bacterium chaff can be slowly released.
Described adsorption sustained-release unit 4 has very strong adsorptivity, and wherein, zeolite can adsorb fully to the salinity in soil; Bacterium chaff can discharge the Ca of a large amount of organic matters, full phosphorus, rapid available phosphorus, available potassium, microorganism energy and interchangeability
2+and Mg
2+deng.Along with entering of salinity, a large amount of Na
+ion fix by zeolite absorption; If moisture is excessive, bacterium chaff is leached the Ca that will discharge a large amount of active principles, particularly interchangeability
2+and Mg
2+deng, discharging these ions can the Na that adsorbs of exchanging zeolite
+, under the condition of large quantity of moisture, these out replaced Na
+ion is rinsed, and reaches the effect of the desalinization of soil by flooding or leaching.Other active principles then provide a large amount of nutriments for plant, thus improve soil structure, the activating soil ecosystem.
By regulation and control rod of the present invention is inserted in soil, can carry out the water salt entered in soil moved in improve the original absorbing and adsorb fixing, and solving the air capacity of soils of clayed soil.Compared with conventional method, management of soil salt rod of the present invention controls the rising of salinity in soil moved in improve the original and maintains the permeability of clayed soil, and desalinization of soil by flooding or leaching effect is ideal.
The know-why that the present invention obtains above-mentioned technique effect is: by the device of soil moved in improve the original salt content after water salt absorbed layer and adsorption sustained-release layer regulation and control alkaline land improving dimerous, can carry out layering absorb with absorption fixing to the salinity in soil moved in improve the original.Salinity in soil by initial absorption and can be fixed through water salt absorbed layer, and increases the transverse movement of water salt further; When the water salt in water salt absorbed layer enters adsorption sustained-release layer, the salinity in soil is again through secondary abundant absorption and fixing.And by the Na in the slow releasing function exchanging zeolite of bacterium chaff
+ion and provide a large amount of nutriments for plant, thus improve soil structure, the activating soil ecosystem.In addition, because filler is porous material, the air capacity of soils of soil is enhanced to a certain extent.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (7)
1. a management of soil salt rod, it is characterized in that: described regulation and control rod comprises the first pvc pipe (1) that top is cylindricality and bottom is pointed the second pvc pipe (2), the water salt absorptive unit (3) and adsorption sustained-release unit (4) laying along tube wall ecto-entad order or alternately lay is equipped with in described first pvc pipe (1) and the second pvc pipe (2), the layer structure that described water salt absorptive unit (3) is formed for the volume ratio vermiculite that is 1:1 ~ 4 and sepiolite cashmere, the layer structure that described adsorption sustained-release unit (4) is formed for the volume ratio saturated zeolite that is 5 ~ 8:2 ~ 5 and bacterium chaff or column structure.
2. regulation and control rod according to claim 1, is characterized in that: the internal diameter of described first pvc pipe (1) is 5 ~ 15cm.
3. regulation and control rod according to claim 1, is characterized in that: the length of described regulation and control rod is 10 ~ 100cm.
4. regulation and control rod according to claim 1 and 2, is characterized in that: the cross section of described first pvc pipe (1) is circular, oval or polygon.
5. regulation and control rod according to claim 1, is characterized in that: the global shape of described second pvc pipe (2) is wedge shape or taper shape.
6. regulation and control rod according to claim 1, is characterized in that: described first pvc pipe (1) and the second pvc pipe (2) have opened hole.
7. regulation and control rod according to claim 1, is characterized in that: when described adsorption sustained-release unit (4) is for column structure, the width of described adsorption sustained-release unit (4) is 5 ~ 10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742718.8A CN104396375B (en) | 2014-12-08 | 2014-12-08 | Soil salinity regulating rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742718.8A CN104396375B (en) | 2014-12-08 | 2014-12-08 | Soil salinity regulating rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104396375A true CN104396375A (en) | 2015-03-11 |
| CN104396375B CN104396375B (en) | 2017-02-22 |
Family
ID=52634107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410742718.8A Active CN104396375B (en) | 2014-12-08 | 2014-12-08 | Soil salinity regulating rod |
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|---|---|
| CN (1) | CN104396375B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419281A (en) * | 2019-09-02 | 2019-11-08 | 新疆农业大学 | Control the device and its application method of fruit tree root system salinity |
| CN111937520A (en) * | 2020-07-03 | 2020-11-17 | 孟祥浩 | Soil anti-freezing restoration embedded rod |
| CN116349444A (en) * | 2023-04-23 | 2023-06-30 | 江苏沿海生态科技发展有限公司 | Saline and alkaline land buried pipe device for high-standard farmland irrigation and drainage |
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| CN1640987A (en) * | 2004-01-09 | 2005-07-20 | 王培武 | Soil improver, and its preparing method and use method |
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2014
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419281A (en) * | 2019-09-02 | 2019-11-08 | 新疆农业大学 | Control the device and its application method of fruit tree root system salinity |
| CN111937520A (en) * | 2020-07-03 | 2020-11-17 | 孟祥浩 | Soil anti-freezing restoration embedded rod |
| CN116349444A (en) * | 2023-04-23 | 2023-06-30 | 江苏沿海生态科技发展有限公司 | Saline and alkaline land buried pipe device for high-standard farmland irrigation and drainage |
| CN116349444B (en) * | 2023-04-23 | 2023-10-31 | 江苏沿海生态科技发展有限公司 | Saline and alkaline land buried pipe device for high-standard farmland irrigation and drainage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104396375B (en) | 2017-02-22 |
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Effective date of registration: 20160408 Address after: 100015 Beijing, Jiuxianqiao, North Road, a number of hospital electronic city IT Industrial Park, building 104, building 10 Applicant after: Beijing Dongfang Lihe Landscape Design Co.,Ltd. Address before: 100012 Beijing city Chaoyang District Beiyuan home embroidery Juyuan No. 7 Applicant before: Beijing Orient Landscape Co., Ltd. |
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