CN104904365B - A kind of method using irrigating plus plant the comprehensive control salt-soda soil that combines - Google Patents
A kind of method using irrigating plus plant the comprehensive control salt-soda soil that combines Download PDFInfo
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- CN104904365B CN104904365B CN201510292205.6A CN201510292205A CN104904365B CN 104904365 B CN104904365 B CN 104904365B CN 201510292205 A CN201510292205 A CN 201510292205A CN 104904365 B CN104904365 B CN 104904365B
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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
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention discloses a kind of method using irrigating plus plant the comprehensive control salt-soda soil that combines, comprise the following steps：A () lays underground piping, including the micro- profit pipe for irrigating and the salt discharge hidden pipe for salt discharge.B (), by smooth for salt-soda soil furrow, carries out irrigating salt discharge, described irrigation salt discharge includes underground salt discharge and earth's surface salt discharge, and order includes three steps, and the first step carries out underground salt discharge first；Second step carries out earth's surface salt discharge, to the salt-soda soil after the salt discharge of underground, carries out a rapid large-area earth's surface salt discharge using flood irrigation mode；Third step repeats the salt discharge of described underground.(c) establishing in large scale Suaeda salsa, before Suaeda salsa is emerged and after emerging, persistently carry out micro- profit and irrigate salt discharge, after Suaeda salsa starts branch, batch (-type) carries out micro- profit irrigation, until the Suaeda salsa summit of growth phase terminates, Suaeda salsa is rooted out, then Planting Crops is carried out according to Soil salinity situation or continue the plantation further salt reduction of Suaeda salsa.
Description
Technical field
The present invention relates to alkaline land improving technical field is and in particular to one kind is using irrigating plus plantation combines comprehensive control
The technology in salt-soda soil.
Background technology
Deepening continuously with economic development, ecological problem becomes increasingly conspicuous, and the soil salination of particularly coastal area is asked
Topic is more prominent.The salt-soda soil of coastal area has that salinity is high, nutrient is low, proportion and unit weight is big, porosity and infiltration coefficient are little
The shortcomings of, greatly constrain ecological construction and the agricultural production of coastal area.And in salt-soda soil area, freshwater resources are serious
Lack, irrigation conditions is extremely limited, be the principal element of impact plant growing.Therefore, the ecology that will improve salt-soda soil area is asked
Topic, fundamentally in the urgent need to address be salt-soda soil thorough improvement problem.
Salinized soil accounts for the 10% of global arable area, makes crop failure more than 20%, serious even root
Not even a blade of grass grows for this.Due to special geographical conditions, 10,310,000 mu of our province existing Coastal beach area, account for national 1/4, and
Also it is being continuously increased every year.But because Coastal beach Soil salinity is higher, freshwater resources lack relatively, current China salt-soda soil
It is mostly in uncultivated state, small part Saline yield is also very low.Therefore, at present soil improvement is carried out to salt-soda soil, send out
Open up saline and alkaline beach agricultural, improve salt-soda soil utilization rate, increase economic efficiency, be that current coastal area technology urgently to be resolved hurrily is asked
Topic.
Suaeda salsa is a kind of saline alkali tolerant plant, is a kind of raw industrial crops of new salt, can be unsuitable in common plant
The Coastal beach salt-soda soil plantation of growth.The nutritional labeling of Herba suadeae glaucae is enriched comprehensively, and the protein content of its fresh and tender stem and leaf accounts for dry
The 40% of material, and good water solubility, similar with Semen sojae atricolor；Aminoacid necessary to substantial amounts of human body, dimension life is contained in Herba suadeae glaucae stem and leaf
Element, carotene and the trace element such as Ca, P, Fe, Cu, Zn, Mn, Se, many of which index is higher than all spirulina, is a kind of excellent
Matter eats, health-care vegetable.The fat content of seed is up to 36.4% (including conjugated linoleic acid, a kind of high-class healthy product), far high
In Semen sojae atricolor (18.8%), crude fat content is low, and only 3.3%, carbohydrate, crude fibre, crude ash content respectively 5%,
16.5%th, 32.5%.However, Herba suadeae glaucae yield is relatively low under natural conditions, and in Herba suadeae glaucae plant body, salt content is higher, affects
Palatability during edible, the requirement of the therefore high-yield culturing to Herba suadeae glaucae and the aspect such as best in quality is also extremely urgent.
And at present in alkaline land improving technology, typically all by flood irrigation mode salt reduction.Due to flood irrigation low cost, operate
Process is simple, and institute is adopted by this way in a large number.But flood irrigation easily causes water resource waste, and draining will be led not in time
Cause subsoil water to rise, cause soil secondary salinization.In order to preferably strengthen salt discharge effect, a lot of documents disclose and use flood irrigation
Plus the mode that salt discharge hidden pipe salt discharge combines, improve salt discharge effect, but still can't resolve waste water resource and salt discharge effect
Really poor technical problem.
Micro- profit irrigation is to be fed water to soil in the way of slow infiltration with micro water, makes one kind that Soil conservation moistens new
Type sub-irrigation mode.Immunohistochemistry principle is introduced irrigation field by it, simulates biological semi-permeable with the penetration theory of semipermeable membrane
The water absorption course of film.On semi-transparent membranous wall, the size in hole allows hydrone to pass through, and does not allow larger micel and solid particle
Pass through.When in micro- profit irrigation pipe full of water, hydrone passes through these micropores to tube wall external migration, if pipe is embedded in soil
In, moisture will make ground moistening, play irrigation effect further to soil mobility.
It is different from conventional various irrigation methods, micro- profit is irrigated and is characterized with continuous irrigation, is that a kind of Modulatory character is very strong
Novel irrigation mode.Because the water absorption course of plant is a continuous process, no matter all irrigation methods watered, sprayed in the past
Fill, drip irrigation or infiltrating irrigation are batch (-type) and irrigate, all batch (-type) irrigation methods are all difficult to avoid infiltration, evaporation and the ground of moisture
Face diameter stream, the utilization rate of irrigation water is low, causes the waste of water resource.The area therefore lacking in water resource, micro- profit is irrigated with one
The irrigation method planting novel water-saving is just approved by increasing people.
Content of the invention
The technical problem to be solved is：In view of the shortcomings of the prior art, provide one kind first to saline and alkaline
After ground adds, using underground salt discharge, the irrigation salt discharge that earth's surface salt discharge combines, by planting salt reduction crop, salt-soda soil is entered further
A kind of method using irrigating plus plant the comprehensive control salt-soda soil that combines that row plantation salt reduction combines, in order to solve existing skill
Deficiency in art.
For solving above-mentioned technical problem, the technical scheme is that：
A kind of method using irrigating plus plant the comprehensive control salt-soda soil that combines, comprises the following steps：
A () lays hidden pipe：After salt-soda soil is deep-cut, lay underground piping, described underground piping includes micro- for irrigate
Profit pipe and the salt discharge hidden pipe for salt discharge, described micro- profit pipe and the equal parallel laid of salt discharge hidden pipe are provided with multiple, the plurality of micro- profit pipe
All by fresh water pipeline communication fresh water storage tank, the plurality of salt discharge hidden pipe all connects salt water recovery tank by saline recovery tube.
B () irrigates salt discharge：By smooth of the salt-soda soil furrow after laying underground piping, carry out irrigating salt discharge, described irrigation row
Salt includes underground salt discharge and earth's surface salt discharge, and order includes three steps, and the first step carries out underground salt discharge first, is adopted using micro- profit pipe
With micro- profit irrigation method, soil is irrigated, the salinity in soil is carried out Local enrichment, simultaneously using salt discharge hidden pipe in salt
The region of separating/enriching is collected to saline reclaiming；Second step carries out earth's surface salt discharge, to the salt-soda soil after the salt discharge of underground, stops micro-
Profit is irrigated, and carries out a rapid large-area earth's surface salt discharge using flood irrigation mode；Third step repeats the salt discharge of described underground.
C () plants salt reduction：Irrigate salt discharge terminate, start establishing in large scale Suaeda salsa, before Suaeda salsa is emerged and
Within two week after emerging, persistently irrigated to the soil irrigation salt discharge around Suaeda salsa seedling, Suaeda salsa using micro- profit
Carry out micro- profit according to soil moisture situation batch (-type) after starting branch to irrigate, until the Suaeda salsa summit of growth phase terminates, will
Suaeda salsa roots out, and then carries out Planting Crops according to Soil salinity situation or continuation plantation Suaeda salsa is further
Salt reduction.
As a kind of improved technical scheme, the plurality of salt discharge hidden pipe is crisscross arranged with described micro- profit pipe, and described row
Salt hidden pipe is arranged on the circumference intersection of adjacent two micro- profit pipes.Preferably, micro- profit pipe selects semipermeable membrane micro- profit pipe, micro- profit Guan Shangwei
A diameter of 10～900nm in hole, distribution density on micro- profit pipe for the micropore is 10～200,000/c.The pipe of described salt discharge hidden pipe
Multiple recovery holes, a diameter of 0.1～1cm of recovery holes are evenly arranged with wall.
Present inventor is devoted for years in alkaline land improving and planting technique research, by several irrigation methods
Research and experiment, have not only selected fresh-water-saving resource and the irrigation effect salt that preferably micro- profit is irrigated plus underground salt discharge combines
Alkali land soil mode, and creatively salt discharge hidden pipe is arranged on the circumference intersection of adjacent two micro- profit pipes, greatly
Improve salt discharge effect.Because the feature of micro- profit technology is just as micro- profit time lengthening, the wetting layer of micro- profit pipe surrounding soil
Increasingly thicker, gradually extend outside, in soil, finally form one with micro- profit pipe as axle center, along the length side of micro- profit pipe
To the cylindrical wetting body stretching, form a wetted front at the edge of wetting body.And the area for the salinization of soil, micro- profit
In the moving process of moisture in irrigation, the salt that the water of single-way moving carries in soil moves to the wetted front at wetting body edge,
And be enriched near wetted front, so that salinity in wetting body is gradually decreased, moisten internal soil and desalinated, be conducive to plant to give birth to
Long, and move to the salinity of wetted front in the soil between adjacent two micro- profit pipes and collect in circumference intersection and returned by salt discharge hidden pipe
Receive, drastically increase salt discharge effect and efficiency.
As a kind of preferred technical scheme, during described furrow, the bearing of trend of furrow is embedded in the multiple micro- of underground with described
Profit pipe and multiple salt discharge hidden pipes be arranged in parallel, and described micro- profit pipe is embedded in the centre of described furrow.Shape when so micro- profit is irrigated
The wetting body becoming is exactly in the lower section of Crop Root.
As a kind of further improved technical scheme, the plurality of salt discharge hidden pipe includes being arranged on adjacent two micro- profit pipes
First group of circumference intersection；Also include being arranged on below described micro- profit pipe, and be located at the same circumference of micro- profit pipe with first group
On second group.In the point that the bottom of adjacent two micro- profit wetted front intersections of pipe and wetted front i.e. salt content are the abundantest
Being reclaimed using salt discharge hidden pipe respectively, on the premise of not wasting desalination water, further increasing salt discharge effect it is ensured that irrigating effect
Really.
As a kind of preferred technical scheme, the depth that described micro- profit pipe is embedded in underground is 40～60cm, often adjacent two
The spacing of micro- profit pipe is 100～120cm, and the spacing of described salt discharge hidden pipe is identical with the spacing of described micro- profit pipe.Using so one
Kind of optimum arrangement mode, both can guarantee that the irrigation effect that micro- profit is irrigated, allow humidity necessary to Soil conservation plant growing and
Growing space, can guarantee that the salinity in soil can concentrate on to greatest extent again and is recovered process at salt discharge hidden pipe, obtain
Good salt discharge effect.
As a kind of preferred technical scheme, described when rapid large-area earth's surface salt discharge is carried out using flood irrigation mode, once
Water consumption is 30～60m3/ mu.
As a kind of improved technical scheme, during the micro- profit before Suaeda salsa is emerged is irrigated, mix in irrigation water simultaneously
Miscellaneous liquid fertilizer carries out fertigation.So just can realize water and fertilizer irrigation integration, more save artificial, fertilization effect is also more
Ideal, directly fertilising root surrounding in soil, improves utilization rate of fertilizer.
As a kind of further improved technical scheme, the saline of salt water recovery tank will be recovered to through a set of saline-water reclamation
Processing equipment carry out desalt processing after desalination water be transported in described fresh water storage tank be recycled and reused for irrigate.
As a kind of preferred technical scheme, the plurality of salt discharge hidden pipe is provided with 4～8 ° incline according to the flow direction of saline
Gradient.So, on the premise of substantially without power, the saline in salt discharge hidden pipe can be back in brine pipeline.
As a kind of improved technical scheme, outside the tube wall of described micro- profit pipe and salt discharge hidden pipe, it is equipped with permeable isolation
Layer.Described permeable isolating is preferably the protective layer that non-woven fabrics, sandstone filtrate or other seepy materials are made, and can prevent micro-
The profit micropore of pipe and the recovery hole plug of salt discharge hidden pipe.
Due to employing technique scheme, the invention has the beneficial effects as follows：
The present invention, is carried out to salt-soda soil to the soil improvement in salt-soda soil first after provided underground micro- profit pipe and salt discharge hidden pipe
Micro- profit is irrigated in irrigation technique and hidden pipe salt discharge technology is dexterously combined together, for salt by comprehensive irrigation salt discharge first
The soil irrigation in alkali ground area and improvement, not only fresh-water-saving resource, solve salt-soda soil area freshwater resources seriously deficient
Problem, and by being combined together micro- profit and underground salt discharge, improve the effect of salt-soda soil salt discharge to greatest extent, improve
Alkaline land improving effect.Through including the salt discharge of first step underground, soil is entered using micro- profit irrigation method using micro- profit pipe
Row is irrigated, and the salinity in soil is carried out Local enrichment, in the region of salt separating/enriching, saline is carried out using salt discharge hidden pipe simultaneously
Collect and reclaim；Second step carries out earth's surface salt discharge, to the salt-soda soil after the salt discharge of underground, stops micro- profit and irrigates, entered using flood irrigation mode
Rapid large-area earth's surface salt discharge of row；After third step repeats the salt discharge of described underground, the salinity in salt-soda soil drops in a large number
Low, basically reach planting conditions, especially planted salt tolerant crop, then entered by planting salt reduction crop Suaeda salsa again
One step reduces salinity, because Suaeda salsa can absorb the salinity in soil from internal in growth course, therefore, is passing through
After Suaeda salsa plantation and continual micro- profit irrigation salt discharge, in soil, salinity is decreased obviously, and fits entirely into plantation one
A little salt tolerant crops, this comprehensive control improves the mode in salt-soda soil, on the premise of fresh-water-saving resource, effectively improves salt
The soil regime on alkali ground, makes it suitable for crop-planting, makes the soil of varieties in saline-alkali areas enter a benign cycle, land utilization ratio
Greatly improve, improve economic benefit, improve the ecological environment of coastal area.Obtain especially by irrigating to plant after salt discharge
Suaeda salsa, its salt content substantially reduces, and palatability is remarkably reinforced, and improves popularization and the value of Suaeda salsa.
Present inventor is devoted for years in alkaline land improving and planting technique research, by several irrigation methods
Research and experiment, have selected fresh-water-saving resource and the irrigation effect salt-soda soil that preferably micro- profit is irrigated plus underground salt discharge combines
Soil improvement mode, and creatively salt discharge hidden pipe is arranged on the circumference intersection of adjacent two micro- profit pipes, it is arranged on salinity
At the wetted front of enrichment, drastically increase salt discharge effect.And from optimum arrangement mode, both can guarantee that the filling that micro- profit is irrigated
Irrigate effect, allow humidity and growing space necessary to Soil conservation plant growing, can guarantee that the salinity in soil can be maximum again
Concentrating on of limit is recovered process at salt discharge hidden pipe, obtains best salt discharge effect and reclamation result.
Brief description
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is micro- profit pipe and the Rankine-Hugoniot relations schematic diagram in underground for the salt discharge hidden pipe of the present invention；
In figure, 1. micro- profit pipe；2. salt discharge hidden pipe；3. wetting body；4. wetted front；5. ground level.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are only used for
The bright present invention rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content of present invention instruction, ability
Field technique personnel can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application claims
Book limited range.
As shown in figure 1, multiple micro- profit pipes 1 are crisscross arranged below 5 in ground level with multiple salt discharge hidden pipes 2, and salt discharge hidden pipe 2
It is arranged on first group of adjacent two micro- circumference intersections moistening pipes 1；Also include being arranged on below described micro- profit pipe 1, and be located at
On first group of the same circumference of micro- profit pipe 1 second group.With micro- profit time lengthening, the wetting layer of micro- profit pipe 1 surrounding soil is got over
Come thicker, gradually extend outside, in soil, finally form one with micro- profit pipe 1 as axle center, the length direction along ridge stretches
The cylindrical wetting body 3 of exhibition, forms a wetted front 4 at the edge of wetting body 3.And the area for the salinization of soil, micro- profit
In the moving process of moisture in irrigation, the salt that the water of single-way moving carries in soil is mobile to the wetted front 4 at wetting body edge,
And be enriched near wetted front 4, so that salinity in wetting body 3 is gradually decreased, the soil in wetting body 3 is desalinated, be conducive to planting
Thing grows, and the salt movement that contains of soil between adjacent two micro- profit pipes 1 is to wetted front 4, and circumference intersection collect by
Salt discharge hidden pipe 2 reclaims., in the wetting body 3 that micro- profit pipe 1 is formed, root is minimum in wetting body 3 center salt content for plant growing
Region.
The following is specific embodiment.
Embodiment 1
After salt-soda soil is deep-cut, lay underground piping, described underground piping includes the micro- profit pipe for irrigating and is used for arranging
The salt discharge hidden pipe of salt, described micro- profit pipe and the equal parallel laid of salt discharge hidden pipe are provided with multiple, and the plurality of micro- profit Guan Jun is by fresh water pipe
Road connects fresh water storage tank, and the plurality of salt discharge hidden pipe all connects salt water recovery tank by saline recovery tube.
By smooth of the salt-soda soil furrow after laying underground piping, carry out irrigating salt discharge, described irrigation salt discharge includes underground row
Salt and earth's surface salt discharge, order includes three steps, and the first step carries out underground salt discharge 4 days first, adopts micro- profit to fill using micro- profit pipe
Mode of irrigating is irrigated to soil, and the salinity in soil is carried out Local enrichment, simultaneously using salt discharge hidden pipe in salt separating/enriching
Region is collected to saline reclaiming；Second step carries out earth's surface salt discharge, to the salt-soda soil after the salt discharge of underground, stops micro- profit and irrigates,
Rapid large-area earth's surface salt discharge is carried out using flood irrigation mode；Third step repeats the salt discharge of described underground 3 days.
Irrigate salt discharge to terminate, start establishing in large scale Suaeda salsa, two before Suaeda salsa is emerged and after emerging
Within week, persistently irrigated to the soil irrigation salt discharge around Suaeda salsa seedling using micro- profit, and before Suaeda salsa is emerged
During micro- profit is irrigated, in irrigation water, doping liquid fertilizer carries out fertigation simultaneously, and Suaeda salsa starts after branch according to soil
The growth characteristics batch (-type) of earth humidity condition and Suaeda salsa carries out micro- profit and irrigates, until Suaeda salsa summit of growth phase knot
Bundle, Suaeda salsa is rooted out, and in detection soil, salt content is 0.6wt%, has reached general salt tolerant crops
Salt tolerant alkalinity ranges, are thus suitable for planting salt tolerant crops.
Embodiment 2
After salt-soda soil is deep-cut, lay for irrigate micro- profit pipe and for salt discharge salt discharge hidden pipe, described micro- profit pipe and
The equal parallel laid of salt discharge hidden pipe is provided with multiple and is crisscross arranged, and described salt discharge hidden pipe is arranged on adjacent two micro- circumference moistening pipes and crosses
Place.The depth that micro- profit pipe is embedded in underground is 50cm, and often the spacing of adjacent two micro- profit pipes is 115cm.The plurality of micro- profit Guan Jun
By fresh water pipeline communication fresh water storage tank, the plurality of salt discharge hidden pipe all connects salt water recovery tank by saline recovery tube, reclaims
Saline to salt water recovery tank carries out being transported to after desalt processing in described fresh water storage tank through a set of saline-water reclamation processing equipment
It is recycled and reused for irrigating.
By smooth for salt-soda soil furrow, the bearing of trend of furrow is identical with the bearing of trend of described micro- profit pipe and salt discharge hidden pipe, and
Micro- profit pipe, between the subsurface of described furrow, carries out irrigating salt discharge, described irrigation salt discharge includes underground salt discharge and earth's surface salt discharge, suitable
Sequence includes three steps, and the first step carries out underground salt discharge 5 days first, soil is carried out using micro- profit irrigation method using micro- profit pipe
Irrigate, the salinity in soil is carried out Local enrichment, in the region of salt separating/enriching, saline is received using salt discharge hidden pipe simultaneously
Collection reclaims；Second step carries out earth's surface salt discharge, to the salt-soda soil after the salt discharge of underground, stops micro- profit and irrigates, carried out using flood irrigation mode
Rapid large-area earth's surface salt discharge, water consumption is 45m3/ mu；Third step repeats the salt discharge of described underground 2 days.
Irrigate salt discharge to terminate, start establishing in large scale Suaeda salsa, two before Suaeda salsa is emerged and after emerging
Within week, persistently irrigated to the soil irrigation salt discharge around Suaeda salsa seedling using micro- profit, and before Suaeda salsa is emerged
During micro- profit is irrigated, in irrigation water, doping liquid fertilizer carries out fertigation simultaneously, and Suaeda salsa starts after branch according to soil
The growth characteristics batch (-type) of earth humidity condition and Suaeda salsa carries out micro- profit and irrigates, until Suaeda salsa summit of growth phase knot
Bundle, Suaeda salsa is rooted out, and in detection soil, salt content is 1.0wt%, can continue plantation Suaeda salsa further
Salt reduction, or carry out again irrigating plantation salt tolerant crops after salt discharge.
Embodiment 3
After salt-soda soil is deep-cut, lay for irrigate micro- profit pipe and for salt discharge salt discharge hidden pipe, described micro- profit pipe and
The equal parallel laid of salt discharge hidden pipe is provided with multiple and is crisscross arranged, and described salt discharge hidden pipe includes being arranged on the circumference of adjacent two micro- profit pipes
First group of intersection；Also include being arranged on below described micro- profit pipe, and be located at first group of the same circumference of micro- profit pipe on
Second group.First group micro- profit pipe be embedded in underground depth be 55cm, often adjacent two micro- profit pipes spacing be 120cm.Described many
Individual micro- profit Guan Jun passes through fresh water pipeline communication fresh water storage tank, and the plurality of salt discharge hidden pipe all connects saline by saline recovery tube and returns
Closed cans, is recovered to the desalination water conveying after a set of saline-water reclamation processing equipment carries out desalt processing of the saline of salt water recovery tank
It is recycled and reused for irrigating in described fresh water storage tank.
By smooth of salt-soda soil furrow, the bearing of trend of furrow and described micro- profit pipe and salt discharge hidden pipe after laying underground piping
Bearing of trend is identical, and micro- profit pipe, in the centre of described furrow, carries out irrigating salt discharge, and described irrigation salt discharge includes underground salt discharge and ground
Table salt discharge, order includes three steps, and the first step carries out underground salt discharge 4 days first, adopts micro- profit irrigation method using micro- profit pipe
Soil is irrigated, the salinity in soil is carried out Local enrichment, simultaneously using salt discharge hidden pipe in the region pair of salt separating/enriching
Saline is collected reclaiming；Second step carries out earth's surface salt discharge, to the salt-soda soil after the salt discharge of underground, stops micro- profit and irrigates, using unrestrained
Filling mode carries out a rapid large-area earth's surface salt discharge, and water consumption is 55m3/ mu；Third step repeats the salt discharge of described underground
3 days.
Irrigate salt discharge to terminate, start establishing in large scale Suaeda salsa, two before Suaeda salsa is emerged and after emerging
Within week, persistently irrigated to the soil irrigation salt discharge around Suaeda salsa seedling using micro- profit, and before Suaeda salsa is emerged
During micro- profit is irrigated, in irrigation water, doping liquid fertilizer carries out fertigation simultaneously, and Suaeda salsa starts after branch according to soil
The growth characteristics batch (-type) of earth humidity condition and Suaeda salsa carries out micro- profit and irrigates, until Suaeda salsa summit of growth phase knot
Bundle, Suaeda salsa is rooted out, and in detection soil, salt content is 0.55wt%, has reached general salt tolerant crops
Salt tolerant alkalinity ranges, therefore can plant salt tolerant crops.
Claims (7)
1. a kind of using irrigate plus plantation combine comprehensive control salt-soda soil method it is characterised in that comprising the following steps：
A () lays hidden pipe：After salt-soda soil is deep-cut, lay underground piping, described underground piping includes the micro- profit pipe for irrigating
With the salt discharge hidden pipe for salt discharge, described micro- profit is managed and the equal parallel laid of salt discharge hidden pipe is provided with multiple, the plurality of micro- profit Guan Juntong
Cross fresh water pipeline communication fresh water storage tank, the plurality of salt discharge hidden pipe all connects salt water recovery tank by saline recovery tube；Described many
Individual salt discharge hidden pipe is crisscross arranged with described micro- profit pipe, and described salt discharge hidden pipe is arranged on the circumference intersection of adjacent two micro- profit pipes；
B () irrigates salt discharge：By smooth of the salt-soda soil furrow after laying underground piping, carry out irrigating salt discharge, described irrigation salt discharge bag
Include underground salt discharge and earth's surface salt discharge, order includes three steps, and the first step carries out underground salt discharge first, adopted using micro- profit pipe micro-
Profit irrigation method is irrigated to soil, and the salinity in soil is carried out Local enrichment, simultaneously rich in salinity using salt discharge hidden pipe
The region of collection is collected to saline reclaiming；Second step carries out earth's surface salt discharge, to the salt-soda soil after the salt discharge of underground, stops micro- profit and fills
Irrigate, a rapid large-area earth's surface salt discharge is carried out using flood irrigation mode；Third step repeats the salt discharge of described underground；
C () plants salt reduction：Irrigate salt discharge to terminate, start establishing in large scale Suaeda salsa, before Suaeda salsa is emerged and emerge
Within two week afterwards, persistently irrigated to the soil irrigation salt discharge around Suaeda salsa seedling using micro- profit, Suaeda salsa starts
Carry out micro- profit according to soil moisture situation batch (-type) after branch to irrigate, until the Suaeda salsa summit of growth phase terminates, will saline land
Herba suadeae glaucae roots out, and then carries out Planting Crops according to Soil salinity situation or continuation plantation Suaeda salsa drops further
Salt.
2. as claimed in claim 1 a kind of using irrigating plus plantation combines the method in comprehensive control salt-soda soil, its feature exists
In：During described furrow, the bearing of trend of furrow be arranged in parallel with the described multiple micro- profit pipe being embedded in underground and multiple salt discharge hidden pipes,
Described micro- profit pipe is embedded in the centre of described furrow.
3. as claimed in claim 1 a kind of using irrigating plus plantation combines the method in comprehensive control salt-soda soil, its feature exists
In：The plurality of salt discharge hidden pipe includes be arranged on the circumference intersection of adjacent two micro- profit pipes first group；Also include being arranged on institute
State below micro- profit pipe, and be located at and second group on first group of the same circumference of micro- profit pipe.
4. as claimed in claim 1 a kind of using irrigating plus plantation combines the method in comprehensive control salt-soda soil, its feature exists
In：The depth that described micro- profit pipe is embedded in underground is 40～60cm, and often the spacing of adjacent two micro- profit pipes is 100～120cm, described
The spacing of salt discharge hidden pipe is identical with the spacing of described micro- profit pipe.
5. as claimed in claim 1 a kind of using irrigating plus plantation combines the method in comprehensive control salt-soda soil, its feature exists
In：Described when carrying out rapid large-area earth's surface salt discharge using flood irrigation mode, a water consumption is 30～60m3/ mu.
6. the one kind as described in claim 1 to 5 any claim is using irrigating plus plantation combines comprehensive control salt-soda soil
Method it is characterised in that：During micro- profit before Suaeda salsa is emerged is irrigated, in irrigation water, doping liquid fertilizer is carried out simultaneously
Fertigation.
7. as claimed in claim 6 a kind of using irrigating plus plantation combines the method in comprehensive control salt-soda soil, its feature exists
In：The saline being recovered to salt water recovery tank is carried out the conveying of the desalination water after desalt processing through a set of saline-water reclamation processing equipment
It is recycled and reused for irrigating in described fresh water storage tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510292205.6A CN104904365B (en) | 2015-05-30 | 2015-05-30 | A kind of method using irrigating plus plant the comprehensive control salt-soda soil that combines |
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| CN201510292205.6A CN104904365B (en) | 2015-05-30 | 2015-05-30 | A kind of method using irrigating plus plant the comprehensive control salt-soda soil that combines |
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| Publication Number | Publication Date |
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| CN104904365A CN104904365A (en) | 2015-09-16 |
| CN104904365B true CN104904365B (en) | 2017-03-08 |
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| US20050223638A1 (en) * | 2004-03-01 | 2005-10-13 | Moren Douglas L | Hot water apparatus and method for sustainable agriculture |
| CN103141176B (en) * | 2013-03-25 | 2015-08-19 | 天津泰达绿化集团有限公司 | A kind of method of coastal region improvement street tree grooving solonchak |
| CN103460843B (en) * | 2013-08-29 | 2015-06-24 | 青岛农业大学 | Quick saline-alkali land desalting system method by means of concealed-tube irrigation and drainage |
| CN104186137B (en) * | 2014-08-01 | 2016-05-04 | 山东神力企业发展有限公司 | The cultivating green method of beach salt-soda soil, a kind of coastal waters tall grass |
| CN104472052B (en) * | 2014-11-14 | 2016-03-02 | 山东胜伟园林科技有限公司 | A kind of engineering-chemical-biological-desalination water saving-information technology improvement saline land method |
| CN104488394B (en) * | 2014-11-24 | 2016-09-07 | 山东胜伟园林科技有限公司 | A kind of synthesis improvement method of salinized soil |
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