CN101566617A - Test facility for simulating drought and water-saving identification and method for extracting deposit salt of same - Google Patents
Test facility for simulating drought and water-saving identification and method for extracting deposit salt of same Download PDFInfo
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- CN101566617A CN101566617A CNA2009100742833A CN200910074283A CN101566617A CN 101566617 A CN101566617 A CN 101566617A CN A2009100742833 A CNA2009100742833 A CN A2009100742833A CN 200910074283 A CN200910074283 A CN 200910074283A CN 101566617 A CN101566617 A CN 101566617A
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Abstract
The invention belongs to the technical fields of a test facility for simulating drought and water-saving identification and a method for extracting the deposit salt of the facility. The test facility for simulating drought and water-saving identification is mainly characterized in that an isolation pool with a bottom is included; a stone layer is arranged above the bottom of the pool; a carpolite layer is arranged above the stone layer; a silk screen layer is arranged above the carpolite layer; a coarse sand layer is arranged above the silk screen layer; a tree palm layer is arranged above the coarse sand layer; a cultivation soil layer is arranged above the tree palm layer; and a water-pumping tube which is communicated with the bottom of the pool is arranged in the isolation pool. The method is mainly characterized by adequate irrigation which leads the soil moisture to be saturated, and extracting water containing salt. Therefore, the salt content of the soil of the isolation pool in the identification facility is maintained within the scope of 1.5 per thousand or so, thereby ensuring the normal operation of the drought-resistant identification or quantitative irrigation water-saving identification facility.
Description
Technical field
The invention belongs to simulating drought, water saving design test facility and this facility deposit salt abstracting method technical field, relate in particular to the abstracting method of simulating drought, water saving design test facility and this facility deposit salt.
Background technology
In order to improve the accuracy and the science of drought resisting, water saving design test, the variety of crops simulating drought identifies or the test of water saving quantifying irrigation, all adopts rain-proof shelter to prevent that natural precipitation and cement pit from isolating in the evaluation facility of phreatic interference and carries out.Like this, just a problem occurred, along with the increase of identifying irrigation quantity in facility-cement pit, moisture is by crop transpiration and soil evaporation, and the salinity in the water is accumulated in the soil.Time one is long, and the salt content of soil runs up to the level of damage to crops growth, and test just can not normally go on.
How to reduce the salt content of identifying in the facility soil effectively, ensure to test and carry out smoothly, become the problem that must solve in the facility soil of identifying.For this reason, forefathers have found out to utilize soil removal and replacement or pour water and have drenched the method separate (reduction) soil salt content.First method, soil removal and replacement promptly behind plantation one rowen, after the soil that salt content is many digs out, is inserted new soil again.Do two problems of existence like this, the one,, taking a lot of work effort delays farming season.After the soil that salt content is many digs out, new soil is inserted again, need be expended a large amount of manually, especially in busy farming season, a large amount of soil removal and replacement meetings cause labour's anxiety.Fill in soil, the firming compacting of need pouring water when treating that soil moisture content is fit to crop-planting, has been missed the suitable planting phase, thereby has been delayed farming season.The 2nd,, the soil of newly filling out can have been upset original soil texture, has caused with actual conditions to disconnect, and qualification result can not instruct production application; Second method, cement pit bottom centre is dented or accomplish a ground recess, attempt outwards to extract the high water of salt content from recess.Because the high water band of salt content silt, and recess is filled up, and has lost the effect of recess, causes the high water of salt content to take out to come up, test facilities are scrapped.
Summary of the invention
First technical matters that the present invention solves just provides and does not a kind ofly change soil structure, makes salinity be easy to be drawn out of, can ensure that drought resisting evaluation or quantifying irrigation water saving identify the simulating drought of the normal operation of facility, water saving design test facility.
For solving the problems of the technologies described above, the technical scheme that simulating drought of the present invention, water saving design test facility adopt is: comprise the isolation tank that has at the bottom of the pond, above at the bottom of the described pond, be provided with stone layer, above described stone layer, be provided with the stone layer, above described stone layer, be provided with silk screen layer, above described silk screen layer, be provided with the rough sand layer, above described rough sand layer, be provided with tree palm fibre layer, above described tree palm fibre layer, be provided with cultivating soil layer, in described isolation tank, be provided with and the drinking-water pipe that communicates at the bottom of the described pond.
Its additional technical feature is:
High around at the bottom of the described pond being, middle low terrace with edge shape, the central authorities at the bottom of described pond are provided with the water leg that has guard all around, and described drinking-water pipe inserts this water leg inside;
The described water leg degree of depth is 5-10 centimetre;
The thickness of described stone layer is 18-22 centimetre, and the diameter of building stones is 2-4 centimetre in the described stone layer, and the thickness of described stone layer is 8-12 centimetre, and the diameter of stone is 1-2 centimetre in the described stone layer, and the thickness of described rough sand layer is 18-22 centimetre;
Described tree palm fibre layer is double-deck, and described silk screen layer is double-deck, and the silk screen of described silk screen layer is the 100-200 order.
Simulating drought provided by the present invention, water saving design test facility, compared with prior art, have the following advantages: one, owing to comprise the isolation tank that has at the bottom of the pond, above at the bottom of the described pond, be provided with stone layer, above described stone layer, be provided with the stone layer, above described stone layer, be provided with silk screen layer, above described silk screen layer, be provided with the rough sand layer, above described rough sand layer, be provided with tree palm fibre layer, above described tree palm fibre layer, be provided with cultivating soil layer, in described isolation tank, be provided with and the drinking-water pipe that communicates at the bottom of the described pond, behind crop harvesting, fully pouring, upwards draw water by drinking-water pipe then, the salinity that deposits in the soil fully is dissolved in the water, the water that contains salt is successively through tree palm fibre layer, the rough sand layer filters, through silk screen layer, stone layer and stone layer enter at the bottom of the pond, discharge through drinking-water pipe, because tree palm fibre layer, the filtration of rough sand layer, earth is filtered, and can not cause the obstruction of drinking-water pipe at the bottom of the pond, and because the existence of silk screen layer, rough sand can not fall in stone layer and the stone layer yet and result in blockage; They are two years old, because high around at the bottom of the described pond being, middle low terrace with edge shape, the water leg that has guard around central authorities at the bottom of described pond are provided with, described drinking-water pipe inserts this water leg inside, be easy to accumulate in the water leg through the water that contains salt after filtering, discharge through drinking-water pipe, like this, be not easy to cause the water that contains salinity residual because of injustice at the bottom of the pond; Its three because the described water leg degree of depth is 5-10 centimetre; The thickness of described stone layer is 18-22 centimetre, and the diameter of building stones is 2-4 centimetre in the described stone layer, and the thickness of described stone layer is 8-12 centimetre, and the diameter of stone is 1-2 centimetre in the described stone layer, and the thickness of described rough sand layer is 18-22 centimetre; Described tree palm fibre layer be double-deck, and described silk screen layer be a bilayer, and the silk screen of described silk screen layer is the 100-200 order, like this, can guarantee that earth is filtered, and does not cause drinking-water pipe obstruction at the bottom of the pond, salinity can be removed again.
Second technical matters that the present invention solves just provides the abstracting method of a kind of simulating drought, water saving evaluation facility deposit salt.
For solving the problems of the technologies described above, simulating drought of the present invention, water saving identify that the abstracting method of facility deposit salt comprises the following steps:
The first step, abundance is poured water, and makes soil moisture saturated
After treating trial crops results,, ooze no longer down through 2-3 days moisture to the pouring of test plot, make that soil moisture is saturated till;
In second step, extract the water that contains salt
Upwards draw water by drinking-water pipe with pumping equipment, till draining.
The abstracting method of facility with deposit salt identified in simulating drought provided by the present invention, water saving, compared with prior art, has the following advantages: one, because after treating the trial crops results, to the sufficient pouring in test plot, ooze no longer down through 2-3 days moisture, make that soil moisture is saturated till; Upwards draw water by drinking-water pipe with pumping equipment, till draining.Like this, can reduce the salinity that accumulates in the soil, avoid soil removal and replacement to cause again taking a lot of work effort to delay farming season and the soil newly filled out can have been upset original soil texture, cause and actual conditions disconnect, qualification result can not instruct the problem of production application.According to surveying and determination, generally planting 2 batches soil salt content can reach more than 2.0/1000ths.Behind said method extraction salinity, identify that the soil salt content of the isolation tank in the facility maintains in 1.5/1000ths left and right sides scopes.Identify the normal operation of facility to ensure the water saving of drought resisting evaluation or quantifying irrigation.
Description of drawings
Fig. 1 is the structural representation of simulating drought of the present invention, water saving design test facility;
Fig. 2 is vertical tangent plane synoptic diagram of Fig. 1 simulating drought, water saving design test facility.
Embodiment
Be described further to simulating drought provided by the present invention, water saving design test facility and with the concrete structure and the principle of the abstracting method of this facility deposit salt below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, simulating drought provided by the present invention, water saving design test facility comprise the isolation tank of being made by cement, reinforcing bar cast 1.Isolation tank 1 has at the bottom of the pond 11, at the bottom of the pond 11 above be provided with stone layer 12, above stone layer 12, be provided with stone layer 13, above stone layer 13, be provided with silk screen layer 14, above silk screen layer 14, be provided with rough sand layer 15, above rough sand layer 15, be provided with tree palm fibre layer 16, above tree palm fibre layer 16, be provided with cultivating soil layer 17.In isolation tank 1, be provided with and 11 drinking-water pipes that communicate 18 at the bottom of the pond.Drinking-water pipe 18 can be close to isolation tank 1 inwall, also can be embedded in the sidewall of isolation tank 1.Behind crop harvesting, fully pouring, upwards draw water by drinking-water pipe 18 then, the salinity that deposits in the soil fully is dissolved in the water, the water that contains salt filters through tree palm fibre layer 16, rough sand layer 15 successively, at the bottom of silk screen layer 14, stone layer 13 and stone layer 12 enter the pond, discharge through drinking-water pipe 18, because the filtration of tree palm fibre layer 16, rough sand layer 15, earth is filtered above tree palm fibre layer 16, rough sand layer 15, can not cause the obstruction of drinking-water pipe at the bottom of the pond, and because the existence of silk screen layer 14, rough sand can not fall in stone layer 13 and the stone layer 12 yet and result in blockage.For convenience of calculation, isolation tank 1 length is 3 meters, and wide is 2.2 meters, just in time is 0.01 mu.This moment, drinking-water pipe 18 diameters were to get final product in 1 o'clock.Certainly, isolation tank 1 also can be other areas, and drinking-water pipe 18 diameters also can increase or reduce.
In order to prevent to cause the water that contains salinity residual because of 11 injustice at the bottom of the pond, 11 is high all around, middle low terrace with edge shape at the bottom of the pond, the water leg 22 that has guard 21 around 11 central authorities are provided with at the bottom of the pond, the inside that drinking-water pipe 18 inserts this water leg 22, be easy to accumulate in the water leg 22 through the water that contains salt after filtering, discharge through drinking-water pipe 18.The degree of depth of water leg 22 is 5-10 centimetre.
In order to guarantee that earth is filtered, drinking-water pipe does not stop up at the bottom of not causing the pond, salinity can be removed again, the thickness of stone layer 12 is 18-22 centimetre, the diameter of building stones is 2-4 centimetre in the stone layer 12, the thickness of stone layer 13 is 8-12 centimetre, and the diameter of stone is 1-2 centimetre in the stone layer 13, and the thickness of rough sand layer 15 is 18-22 centimetre.Tree palm fibre layer 16 is double-deck, and silk screen layer 14 is double-deck, and the silk screen of silk screen layer 14 is the 100-200 order.
Simulating drought, water saving identify that the abstracting method of facility deposit salt adopts the following step:
The first step, abundance is poured water, and makes soil moisture saturated:
After treating trial crops results,, ooze no longer down through 2-3 days moisture to the pouring of test plot, make that soil moisture is saturated till;
In second step, extract the water that contains salt
Upwards draw water by drinking-water pipe with pumping equipment, till draining.
Like this, can solve and reduce residual salinity in the soil, avoid soil removal and replacement to cause again taking a lot of work effort to delay farming season and the soil newly filled out can have been upset original soil texture, cause and actual conditions disconnect, qualification result can not instruct the problem of production application.According to surveying and determination, the soil salt content of planting 2 batches reaches more than 2.0/1000ths, behind said method extraction salinity, identifies that the soil salt content of the isolation tank 11 in the facility maintains in 1.5/1000ths left and right sides scopes.Identify the normal operation of facility to ensure the water saving of drought resisting evaluation or quantifying irrigation.
Claims (6)
1, simulating drought, water saving design test facility, it is characterized in that: comprise the isolation tank that has at the bottom of the pond, above at the bottom of the described pond, be provided with stone layer, above described stone layer, be provided with the stone layer, above described stone layer, be provided with silk screen layer, above described silk screen layer, be provided with the rough sand layer, above described rough sand layer, be provided with tree palm fibre layer, above described tree palm fibre layer, be provided with cultivating soil layer, in described isolation tank, be provided with and the drinking-water pipe that communicates at the bottom of the described pond.
2, simulating drought as claimed in claim 1, water saving design test facility, it is characterized in that: high around at the bottom of the described pond being, middle low terrace with edge shape, have the water leg of guard around central authorities at the bottom of described pond are provided with, described drinking-water pipe inserts this water leg inside.
3, simulating drought as claimed in claim 2, water saving design test facility, it is characterized in that: the described water leg degree of depth is 5-10 centimetre.
4, simulating drought as claimed in claim 1, water saving design test facility, it is characterized in that: the thickness of described stone layer is 18-22 centimetre, the diameter of building stones is 2-4 centimetre in the described stone layer, the thickness of described stone layer is 8-12 centimetre, the diameter of stone is 1-2 centimetre in the described stone layer, and the thickness of described rough sand layer is 18-22 centimetre.
5, simulating drought as claimed in claim 1, water saving design test facility is characterized in that: described tree palm fibre layer is for double-deck, and described silk screen layer is double-deck, and the silk screen of described silk screen layer is the 100-200 order.
6, the abstracting method of facility deposit salt is identified in simulating drought, water saving, and it is characterized in that: this method comprises the following steps:
The first step, abundance is poured water, and makes soil moisture saturated
After treating trial crops results,, ooze no longer down through 2-3 days moisture to the pouring of test plot, make that soil moisture is saturated till;
In second step, extract the water that contains salt
Upwards draw water by drinking-water pipe with pumping equipment, till draining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100742833A CN101566617B (en) | 2009-05-06 | 2009-05-06 | Test facility for simulating drought and water-saving identification and method for extracting deposit salt of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100742833A CN101566617B (en) | 2009-05-06 | 2009-05-06 | Test facility for simulating drought and water-saving identification and method for extracting deposit salt of same |
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| Publication Number | Publication Date |
|---|---|
| CN101566617A true CN101566617A (en) | 2009-10-28 |
| CN101566617B CN101566617B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100742833A Expired - Fee Related CN101566617B (en) | 2009-05-06 | 2009-05-06 | Test facility for simulating drought and water-saving identification and method for extracting deposit salt of same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972231A (en) * | 2012-12-24 | 2013-03-20 | 山东省花生研究所 | Peanut culturing device and system as well as authenticating method for drought resistant peanut varieties |
| CN106818433A (en) * | 2016-12-12 | 2017-06-13 | 长江大学 | Crop salt damage simulation system and its application method |
| CN107114103A (en) * | 2017-06-07 | 2017-09-01 | 江苏沿海地区农业科学研究所 | A kind of plant salt endurance identification pond and its application method |
| CN110896694A (en) * | 2019-12-03 | 2020-03-24 | 清华大学 | Method and matched facility for preventing and treating salinization of surface soil of underground reservoir |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100478668C (en) * | 2005-07-07 | 2009-04-15 | 中国科学院广州地球化学研究所 | Sediment interstitial water in-situ sampling method and apparatus |
| CN1940556A (en) * | 2005-09-28 | 2007-04-04 | 席福来 | Salinized dispersion experimental device and method |
| CN101416588A (en) * | 2008-11-14 | 2009-04-29 | 广东省农业科学院土壤肥料研究所 | Cut-flower cultivation device and method on protected ground |
-
2009
- 2009-05-06 CN CN2009100742833A patent/CN101566617B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972231A (en) * | 2012-12-24 | 2013-03-20 | 山东省花生研究所 | Peanut culturing device and system as well as authenticating method for drought resistant peanut varieties |
| CN106818433A (en) * | 2016-12-12 | 2017-06-13 | 长江大学 | Crop salt damage simulation system and its application method |
| CN107114103A (en) * | 2017-06-07 | 2017-09-01 | 江苏沿海地区农业科学研究所 | A kind of plant salt endurance identification pond and its application method |
| CN107114103B (en) * | 2017-06-07 | 2023-06-02 | 江苏沿海地区农业科学研究所 | Plant salt tolerance identification pond and application method thereof |
| CN110896694A (en) * | 2019-12-03 | 2020-03-24 | 清华大学 | Method and matched facility for preventing and treating salinization of surface soil of underground reservoir |
| CN110896694B (en) * | 2019-12-03 | 2023-05-19 | 清华大学 | Method for preventing and controlling surface soil salinization of underground reservoir and supporting facilities |
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| Publication number | Publication date |
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| CN101566617B (en) | 2012-06-27 |
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Granted publication date: 20120627 Termination date: 20130506 |