CN103548440B - Hair row formula pipe drainage method under a kind of shallow embedding condition - Google Patents

Hair row formula pipe drainage method under a kind of shallow embedding condition Download PDF

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CN103548440B
CN103548440B CN201310586643.4A CN201310586643A CN103548440B CN 103548440 B CN103548440 B CN 103548440B CN 201310586643 A CN201310586643 A CN 201310586643A CN 103548440 B CN103548440 B CN 103548440B
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pipe
row formula
root
hair
hair row
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CN103548440A (en
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尹传华
田长彦
乔木
章金乐
丁荣吾
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Xinjiang Institute of Ecology and Geography of CAS
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Xinjiang Institute of Ecology and Geography of CAS
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture

Abstract

The present invention relates to the hair row formula pipe drainage method under a kind of shallow embedding condition, the method selects tube wall both sides to fill with pipe as drainpipe with the root of cutting and groove, the root chosen is filled with pipe by 80cm spacing, 2.2-3.3 the gradient of ‰, the degree of depth of 60-80cm is embedded in the middle of farmland, as underground hair row formula hidden pipe, and arranges with agriculture that open channel is vertical to communicate, making farmland irrigating water pass through hair row formula hidden pipe arranges into agricultural drain system by the salinity accumulated in agricultural land soil, to reach quick desalinization of soil by flooding or leaching draining object.Show by experiment: method drainage effect of the present invention is good, long service life.

Description

Hair row formula pipe drainage method under a kind of shallow embedding condition
Technical field
The present invention relates to the hair row formula pipe drainage method under a kind of shallow embedding condition, belong to soil melioration field.
Background technology
The present invention is directed to the heavy saline of district oasis edge bury of groundwater within the scope of 0.8-1.0m, due to backwater effect that underground water is stronger can block farmland irrigating water under blend the eliminating of salinity, make irrigation water be trapped in farmland surface for up to 1 wheat harvesting period, cause farmland to be in salification state for a long time and cannot carry out and cultivate normally.For this problem, traditional way is the gutter drainage of (1) routine, namely in farmland, excavate agriculture row's open channel and arrange with bucket and be connected, unnecessary water is entered bucket row to enter agricultural drain system, this method has certain effect, but compared with the farmland that bury of groundwater is darker, drainage speed is relatively slow, and easily by the impact of slope failure.(2) on the basis of excavation agriculture row, in farmland, excavate the provisional hair row that spacing is less, when winter irrigation, unnecessary water entered bucket row via agriculture and enter agricultural drain system.This technology drainage speed compared with the better effects if of first method draining, but all will dig provisional hair row again due to annual winter irrigation, and not only time-consumingly take a lot of work, can't form continuation draining salt discharge in whole breeding time, improved effect is limited.(3) arranging the buried hidden pipe in parallel direction (namely formula closed drainage is arranged in agriculture) with agriculture, buried depth is greater than 1m, and spacing, generally at more than 30m, replaces the straight-through bucket row of agriculture row with hidden pipe.This method has exceeded 1m due to the depth of burying, thus descends buried depth in the heavy saline of 0.8-1m inappositely, also can lay apart from longer because of tubing, can not form effective gradient and affect drainage efficiency even if dive to bury.The root being used for subsurface irrigation, namely for the heavy saline of bury of groundwater in 0.8-1m, draining difficulty, is filled with pipe and is carried out shallow embedding according to a determining deviation and arrange open channel vertical connection (tubing is laid apart from shorter) to accelerate the technology of agricultural drain salt discharge as permanent underground drainage hollow billet and the agriculture in field by the present invention.
By " SWIC " (1989-), " academic magazine database " (1994-), " Chinese patent database " (1985-), " general full-text database is tieed up in Chongqing ", ISI Proceedings(1968-), CSA(1985-), the international and domestic database such as Blackwell (1990-), Elsevier (1980-).Find closed drainage pertinent literature 178 sections altogether, wherein Chinese literature 170 sections, relevant domestic patent 8 sections, foreign patent 15 sections, be general pertinent literature, mainly concentrate on the research carrying out conventional, under buried condition the hidden pipe depth of burying and spacing with traditional tubing, all do not relate under shallow embedding condition, utilize root to fill with pipe as draining hollow billet, straight-through agriculture row carries out the technology of Drainage of salt.The patent relating to root filling pipe has 3, is all for arid biogeographic zone water-saving irrigation, and none research is used for closed drainage after relating to and root being filled with pipe transformation.
Summary of the invention
The object of the invention is, hair row formula under a kind of shallow embedding condition pipe drainage method is provided, the method selects tube wall both sides to fill with pipe as drainpipe with the root of cutting and groove, the root chosen is filled with pipe by 80cm spacing, 2.2-3.3 the gradient of ‰, the degree of depth of 60-80cm is embedded in the middle of farmland, as underground hair row formula hidden pipe, and arrange with agriculture that open channel is vertical to communicate, making farmland irrigating water pass through hair row formula hidden pipe arranges into agricultural drain system by the salinity accumulated in agricultural land soil, to reach quick desalinization of soil by flooding or leaching draining object.Show by experiment: method drainage effect of the present invention is good, long service life.
Hair row formula pipe drainage method under a kind of shallow embedding condition of the present invention, follows these steps to carry out:
Pipe is filled with as drainpipe with the root of cutting and groove in a, selection tube wall both sides, and root fills with pipe diameter 50mm, and between cutting and groove, gap is 0.04mm, and the tube wall of every meter of root filling pipe has 50 inlet openings, and inlet opening diameter is 0.005mm;
B, the root that chooses is filled with pipe by 80cm spacing, the gradient of 2.2-3.3 ‰, the degree of depth of 60-80cm is embedded in the middle of farmland, as underground hair row formula hidden pipe, and be 2m with width, the degree of depth is that the agriculture of 1.5m arranges that open channel is vertical to communicate;
C, again by dark 1 meter more shallow for the hair row formula hidden pipe degree of depth buried underground in farmland of side excavation, width is the desilting ditch of 1.5 meters, and mouth of pipe hair being arranged formula hidden pipe stretches out furrow bank, then the mouth of pipe is sealed with plug, when there being Sediment Siltation in buried underground hair row formula hidden pipe, opening plug water pump and fetching water in pipe and carry out cleaning row silt.
Method described in invention and prior art analysis contrast: it is effective that the hair under shallow embedding condition of the present invention arranges formula shallow embedding closed drainage, long service life.Because fill with pipe as the root of drainpipe, its osculum is positioned at tube wall both sides, has cutting to protect to prevent silt from entering outward.The water of the desalinization of soil by flooding or leaching is then infiltrate by the gap of both sides cutting.Between groove on cutting and tube wall, gap is 0.04 millimeter and can effectively prevents from sand grains from entering causing the inlet opening on tube wall to block (particle diameter of sand grains is generally greater than 0.05 millimeter); Inlet opening diameter on tube wall is 0.005 millimeter, also can limit silt in farmland to greatest extent and enter speed in pipe.Add inlet opening and be positioned at tube wall both sides, and make silt be difficult to rely on gravity directly to enter drainpipe.And the tubing that traditional closed drainage technology uses, osculum is positioned at directly over pipeline, and water relies on the effect of gravity easily to enter in pipe, and due to the hole of protective materials larger, under gravity, silt more easily blocks water inlet, needs often to fetch water desilting.Meanwhile, on the tube wall of diameter 50mm root filling pipe, every meter has 50 inlet openings, is conducive to strengthening agricultural drain efficiency.In addition, the mouth of pipe that diameter 50mm root fills with pipe is stretched out furrow bank, is conducive to whether depositing in observation tube and facilitating timely desilting.
Hair row formula pipe drainage method under a kind of shallow embedding condition of the present invention, in the method, (1) is because the root as drainpipe fills with pipe, and its osculum is positioned at tube wall both sides, has cutting to protect to prevent silt from entering outward.The water of the desalinization of soil by flooding or leaching is then infiltrate by the gap of both sides cutting.Between groove on cutting and tube wall, gap is 0.04 millimeter and can effectively prevents from sand grains from entering causing the inlet opening on tube wall to block (particle diameter of sand grains is generally greater than 0.05 millimeter); Inlet opening diameter on tube wall is 0.005 millimeter, also can limit silt in farmland to greatest extent and enter speed in pipe; On the tube wall of diameter 50mm root filling pipe, every meter has 50 inlet openings, is conducive to strengthening agricultural drain efficiency.(2) root is filled with pipe according to 80cm spacing, the gradient of 2.2-3.3 ‰ and the degree of depth of 60-80cm are embedded in the middle of farmland, as permanent underground drainage hollow billet, and be 2m with width, the degree of depth is that the agriculture of 1.5m arranges that open channel is vertical to communicate, making farmland irrigating water pass through hair row formula hidden pipe arranges into agricultural drain system by the salinity accumulated in agricultural land soil, to accelerate heavy saline agricultural drain desalinization of soil by flooding or leaching speed.Reduce the impact of agriculture row slope failure for accelerating water in agriculture row to the bucket speed moved of drainage, the hidden pipe laying a 75-90mm diameter in agriculture row is connected with row's alkali lateral canal, as underground row's alkali field ditch use.(3) bury dark 1 meter of the side excavation that the hair row formula hidden pipe degree of depth is more shallow underground in farmland, width is the desilting ditch of 1.5 meters, and makes the hair of this side row formula hidden pipe mouth of pipe stretch out furrow bank, then seals the mouth of pipe to prevent wind-drift-sand roadbed with plug.When there being Sediment Siltation in buried underground hidden pipe, open plug water pump fetch water in pipe carry out cleaning and reach row become silted up object.
Embodiment
Embodiment
Pipe is filled with as drainpipe with the root of cutting and groove in a, selection tube wall both sides, and root fills with pipe diameter 50mm, and between cutting and groove, gap is 0.04mm, and the tube wall of every meter of root filling pipe has 50 inlet openings, and inlet opening diameter is 0.005mm;
B, the root that chooses is filled with pipe by 80cm spacing, 2.2-3.3 the gradient of ‰, the degree of depth of 60-80cm is embedded in the middle of farmland, as underground hair row formula hidden pipe, and be 2m with width, the degree of depth is that the agriculture of 1.5m arranges that open channel is vertical to communicate, making farmland irrigating water pass through hair row formula hidden pipe arranges into agricultural drain system by the salinity accumulated in agricultural land soil, to reach quick desalinization of soil by flooding or leaching draining object;
C, again by dark 1 meter more shallow for the hair row formula hidden pipe degree of depth buried underground in farmland of side excavation, width is the desilting ditch of 1.5 meters, and mouth of pipe hair being arranged formula hidden pipe stretches out furrow bank, then the mouth of pipe is sealed with plug, when there being Sediment Siltation in buried underground hair row formula hidden pipe, opening plug water pump and fetching water in pipe and carry out cleaning row silt.
The present invention in bar field, No. 17, village, Tadzhikistan A Bati town 3, TAXKORGAN county, Xinjiang and 5 groups of No. 7 bar fields because bury of groundwater is shallow, soil salt discharge difficulty and causing on the farmland of letting a piece of farmland go to waste for many years is tested, result of the test shows: utilize root filling pipe to carry out the closed drainage of hair row formula and can accelerate soil salt discharge speed, accelerating the good slaking of improvement of soil, is a kind of method being suitable for local alkaline land improving;
1. different disposal drainage effect test
Under table 1.150mm irrigation volume condition, different drainage pattern farmland irrigating water gets rid of required time
Contrast does not lay hidden pipe and soil glues heavy farmland for adjacent with experimental field, and area is 50 mu, and drainage pattern is gutter drainage, and ditch spacing is 120m; The agriculture row formula closed drainage test region of 30 meters of hidden pipe Lay intervals is made up of 4 pieces of farmlands, and every block 5 mu, adds up to 20 mu; In hair row formula closed drainage test, hidden pipe Lay interval is respectively 0.8m, 1.6m, 2.4m, and each spacing spreads 4 communities, and amount to 12 communities, the area of each community is 1500m 2pour water and adopt tripod weir to control the water yield, pour water on the same day, observe community water regime every day, with without open fire for moisture drains day, as can be seen from Table 1, the successful of hair row formula closed drainage is better than the closed drainage of agriculture row formula, and in different hollow billet Lay interval, the highest with the drainage efficiency of 0.8m spacing again;
2. the change of different disposal soil salt content
Different disposal 0 ~ 30cm soil salt content change under table 2150mm irrigation volume condition
By the mensuration to the total salt amount of experimental plot 0-30cm topsoil soils; as can be seen from Table 2; the desalinization of soil by flooding or leaching successful of the method for the invention hair row formula closed drainage is better than the closed drainage of agriculture row formula; and in different hollow billet Lay intervals; best with 0.8 meter of spacing desalinization of soil by flooding or leaching effect; make soil salt drop to 15.9g/kg from 34.6g/kg, decrease by 54.0%, improved effect is obvious; Gap between 1.6m spacing and 2.4m spacing desalinization of soil by flooding or leaching effect is little, and the range of decrease of soil salt is also between 39.6%-42.0%, and improved effect is also better than the closed drainage of agriculture row formula;
Planting effect:
The method of the invention is adopted to carry out improved test demonstration on the unreclaimed severe solonchak in moderate solonchak farmland, 10 mu, bar field, No. 17, village, Taxkorgan County Tadzhikistan A Bati town 3 and 10 mu, No. 7 bar fields, 5 groups, 3 villages; 2013 with the method for the invention improvement and under flood irrigation condition, plant economic halophytes Suaeda salsa, thus make the Suaeda salsa emergence rate in 2 pieces of bar fields respectively by 2012 55% and 15% be increased to 2013 85% and 50%, biomass is by 6000kg/hm 2and 2250kg/hm 2be increased to 11000kg/hm 2and 4250kg/hm 2, amount of increase in production reaches 83.3% and 88.9% respectively, and Its Eco-economic Benefit is remarkable.

Claims (1)

1. the hair row formula pipe drainage method under shallow embedding condition, is characterized in that following these steps to carry out:
Pipe is filled with as drainpipe with the root of cutting and groove in a, selection tube wall both sides, and root fills with pipe diameter 50 mm, and between cutting and groove, gap is 0.04mm, and the tube wall of every meter of root filling pipe has 50 inlet openings, and inlet opening diameter is 0.005mm;
B, the root that chooses is filled with pipe by 80cm spacing, the gradient of 2.2-3.3 ‰, the degree of depth of 60-80cm is embedded in the middle of farmland, as underground hair row formula hidden pipe, and be 2 m with width, the degree of depth is that the agriculture of 1.5 m arranges that open channel is vertical to communicate;
C, again by dark 1 meter more shallow for the hair row formula hidden pipe degree of depth buried underground in farmland of side excavation, width is the desilting ditch of 1.5 meters, and mouth of pipe hair being arranged formula hidden pipe stretches out furrow bank, then the mouth of pipe is sealed with plug, when there being Sediment Siltation in buried underground hair row formula hidden pipe, opening plug water pump and fetching water in pipe and carry out cleaning row silt.
CN201310586643.4A 2013-11-19 2013-11-19 Hair row formula pipe drainage method under a kind of shallow embedding condition Active CN103548440B (en)

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Publication number Priority date Publication date Assignee Title
CN105359659B (en) * 2015-12-04 2017-05-24 东营乾舜农业开发有限公司 Wind-power vacuum alkali reduction apparatus for reclamation of saline and alkaline land and use method of apparatus
CN106233844A (en) * 2016-07-30 2016-12-21 山东胜伟园林科技有限公司 A kind of application in hidden pipe salt discharge method and northeastward soda alkaline land improvement
CN106613754A (en) * 2016-12-27 2017-05-10 中国科学院新疆生态与地理研究所 Magnetized water drop irrigation method for oasis root eaten crops in arid environment
CN107801439A (en) * 2017-10-24 2018-03-16 潍坊友容实业有限公司 Salt-soda soil self-cleaning type salt discharge network system

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CN101259454A (en) * 2007-03-07 2008-09-10 福建大地生态科技实业有限公司 Root irrigation and root irrigation system
CN201649063U (en) * 2010-05-14 2010-11-24 东营金川水土环境工程有限公司 Shallow-embedding alkali-removing and drainage device of concealed pipe in alkaline waterlogged lowland
RU2404563C1 (en) * 2009-04-14 2010-11-27 Государственное научно-исследовательское учреждение Всероссийский научно-исследовательский институт сельскохозяйственного использования мелиорированных земель (ГНИУ ВНИИМЗ) Method of complex melioration of heavy weakly water-permeable soils
CN202617888U (en) * 2012-03-23 2012-12-26 新疆大地生态科技有限公司 Insert-type root irrigation irrigating device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1251735A (en) * 1999-11-12 2000-05-03 天津经济技术开发区总公司园林绿化公司 Desalinizing technique using buried pipeline for seaside salinized ground with higher underground water level
CN101259454A (en) * 2007-03-07 2008-09-10 福建大地生态科技实业有限公司 Root irrigation and root irrigation system
RU2404563C1 (en) * 2009-04-14 2010-11-27 Государственное научно-исследовательское учреждение Всероссийский научно-исследовательский институт сельскохозяйственного использования мелиорированных земель (ГНИУ ВНИИМЗ) Method of complex melioration of heavy weakly water-permeable soils
CN201649063U (en) * 2010-05-14 2010-11-24 东营金川水土环境工程有限公司 Shallow-embedding alkali-removing and drainage device of concealed pipe in alkaline waterlogged lowland
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