CN106258441A - A kind of water saving keeps away the vegetation implantation methods of Yan Gou both sides - Google Patents
A kind of water saving keeps away the vegetation implantation methods of Yan Gou both sides Download PDFInfo
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- CN106258441A CN106258441A CN201610754761.5A CN201610754761A CN106258441A CN 106258441 A CN106258441 A CN 106258441A CN 201610754761 A CN201610754761 A CN 201610754761A CN 106258441 A CN106258441 A CN 106258441A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G29/00—Root feeders; Injecting fertilisers into the roots
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Abstract
The invention discloses a kind of water saving and keep away the vegetation implantation methods of Yan Gou both sides, belonging to agricultural technology field, comprise the steps: selection of land and excavate water saving and keep away Yan Gou, water saving lays sealing coat in keeping away salt ditch, finishing water saving keeps away Yan Gou both sides topsoil soils, water saving keeps away Yan Gou both sides and buries root filling pipe, excavation collecting gutter and the wetland pool underground, and the slope that water saving is kept away Yan Gou both sides by root filling pipe carries out root filling, water saving is kept away the slope applications of Yan Gou both sides, water saving keeps away the slope overlay film of Yan Gou both sides, plantation, and after plantation, root fills.The present invention can not only improve soil water storage ability, keep nutrient, moreover it is possible to improve loose soil divergence, improve soil compaction degree, it is beneficial to water conservation, fertilizer conservation, heats, making Soluble salt ions direction quick leaching to below topsoil, overlay film suppression soil salt is assembled to upper soll layer, reduces salinity in anthropogenic soil, achieve the purpose keeping away salt, salt, root irrigation technology ensure that plant is just commonly using water, is controlled with water, it is achieved water saving purpose.
Description
Technical field
The present invention relates to a kind of water saving and keep away the vegetation implantation methods of Yan Gou both sides, belong to agricultural technology field.
Background technology
The existing 100,000,000 hectares of salt-soda soils of China, major part is distributed in arid, the semiarid zones such as North China, northwest and northeast, main
Xinjiang to be included, Qinghai, Gansu, Ningxia, Shaanxi, the Inner Mongol, the northeast of Shanxi Province, above-mentioned salt-soda soil hydrological geological conditions is complicated,
Water system belongs to Yellow River System more, and level of ground water is affected especially pronounced by Yellow River System, and level of ground water is high, and local beverage well typically exists
About 20m, phreatic line is solonchak and aeolian sandy soil at about 2m, In The Soils, be in drift-sand matrix grow and
The young soil become, soil is contained within great amount of soluble salt, and rainfall is low, the whole year about average 180mm, the evaporation of illumination abundance is fast,
Forming salt-soda soil, earth's surface forms hardening salt knot layer, and the saline and alkaline type in above-mentioned salt-soda soil is many based on Saline-Sodic, and salinity is high, alkali
Property strong, topsoil soils salinity typically 3～5g/kg, the up to 10g/kg having；PH value is typically 8.3～9.2, and have is up to
More than 10；Basicity is typically 10～30%, and high reaches 50～70%, due to the sodium ion that soil colloid absorption is more, logical
Gas, water permeability are poor, and soil property is glued weight, hardened, and shrink earth's surface be full of cracks time dry, muddy time wet, tilth extreme difference.
At present, in soil saline and alkaline too much time can form salt damage, affect the normal growth of plant, saline and alkaline plant can be caused two
Kind harm: one is toxic action, when plant absorption enters more sodium ion or chloride ion, will change cell membrane structure and
Function, will ultimately result in Plant death；Two is the osmotic pressure that improve soil, causes resistance to the Absorption of plant roots,
Making plant water suction that difficulty to occur, occur that cell dehydration, plant are wilted, finally result in Plant death, saline Land is mankind faces
The global problem faced, there is large-area wetland with saline-alkaline in China, is mainly distributed on the North China Plain, Northeast plain, northwest
Hinterland and coastal region, in salt-soda soil, the survival rate of planting plants is the lowest, thus drastically influence the agriculture of China
Production of forestry, and problem demanding prompt solution is how to reduce the salinity in alkaline land soil at present, slows down or suppresses salinity to soil
Earth surface aggregation, and then promote plant growth, reduce planting cost, improve crop yield.
Summary of the invention
The main object of the present invention is salinity height, salinity in the soil in order to exist when solving current salt-soda soil crop-planting
Assemble to soil surface, affect plant growth, increase the problem such as planting cost, reduction crop yield, it is provided that a kind of water saving keeps away salt
The vegetation implantation methods of ditch both sides.
The purpose of the present invention can reach by adopting the following technical scheme that:
A kind of water saving keeps away the vegetation implantation methods of Yan Gou both sides, comprises the steps:
Step S1: selection of land is also excavated water saving and kept away Yan Gou
Select prepartion of land salt-soda soil, in salt-soda soil at interval of 15～20m excavation be parallel to each other the degree of depth be 1.2～
The water saving that 1.5m, lower width are 0.1～0.3m, upper width is 0.3～0.5m keeps away Yan Gou, and it is inverted trapezoidal joint that water saving keeps away salt ditch
Water keeps away Yan Gou, and the gradient of initiating terminal and end that water saving keeps away salt ditch is 5～8 ‰；
Step S2: water saving lays sealing coat in keeping away salt ditch
Humidity barrier is laid in the bottom keeping away salt ditch in water saving, humidity barrier by the metalling that thickness is 10～15cm and
Thickness be 0.1～0.3cm geotextiles make filter course composition；
Step S3: finishing water saving keeps away Yan Gou both sides topsoil soils
Water saving keeps away after salt ditch excavate, and to economizing on water, the topsoil soils keeping away Yan Gou both sides is repaired, and is trimmed to horizontal slope
The slope less than 30 °, the degree angle, and reinforce at the bottom of the slope on slope；
Step S4: water saving keeps away Yan Gou both sides and buries root filling pipe underground
After reinforcing at the bottom of the slope on slope, bury root underground in the position that distance slope bench crest horizontal range is 10～20cm and fill pipe,
It is 8～12cm that root fills the depth of burying of pipe, and root fills and is provided with apopore at interval of 10～20cm on pipe, and it is pvc pipe or PE that root fills pipe
Pipe, it is 3～5cm that root fills the caliber of pipe；
Step S5: excavation collecting gutter and the wetland pool
Water saving keep away the end cutting depth of salt ditch be 1.5～1.8m, width be 0.5～0.8m square collecting gutter,
The bottom of collecting gutter is provided with humidity barrier, humidity barrier by the metalling that thickness is 10～15cm and thickness be 0.1～
The geotextiles of 0.3cm makees filter course composition, and the end at collecting gutter constructs the wetland pool；
Step S6: root fills pipe and the slope keeping away Yan Gou both sides of economizing on water is carried out root filling
Opening and fill, with root, the irrigation equipment that pipe is connected, the slope that water saving keeps away Yan Gou both sides carries out root filling, at irrigation equipment
Middle addition polyacrylamide, addition is every cube of water 10～15g polyacrylamide, at the different times of plant growing, all makes
Fill pipe with root and the slope keeping away Yan Gou both sides of economizing on water is carried out root filling；
Step S7: water saving is kept away the slope applications of Yan Gou both sides
Keep away in water saving and execute animal on the slope of Yan Gou both sides and become thoroughly decomposed excrement and base manure, in animal becomes thoroughly decomposed excrement and base manure, add saw
Wood powder and desulfurization gypsum powder；
Step S8: water saving is kept away the slope overlay film of Yan Gou both sides
After Shi Haofei, water saving keeping away the slope overlay film of Yan Gou both sides, overlay film uses full overlay film form, and overlay film can all cover
Covering slope, overlay film selects resistance to close plastic thin film, and the film limit of plastic sheeting carries out earthing, earthing width 5～10cm, and earthing is thick
Degree 3～5cm；
Step S9: plantation
The crop selecting root system closeer is planted, and planting density should be moderate；
Step S10: after plantation, root fills
Filling to root and add polyacrylamide in pipe, addition is every cube of water 10～15g polyacrylamide, in plant growing
Different times, use root fill pipe the root of plant is carried out root filling.
Further, in described step S1, excavating, at interval of 18m, the degree of depth that is parallel to each other in salt-soda soil is 1.3m, bottom
The water saving that width is 0.2m, upper width is 0.4m keeps away Yan Gou, and the gradient of initiating terminal and end that water saving keeps away salt ditch is 6 ‰.
Further, in described step S2, the thickness of metalling described in described humidity barrier is 12cm, described geotechnique
The thickness of filter course made by cloth is 0.2cm.
Further, in described step S3, the horizontal slope angle on described slope is less than 25 °, and the height on described slope is
15cm, uses machinery to reinforce at the bottom of the slope on slope.
Further, in described step S4, described fills pipe is 15cm apart from the horizontal range of described slope bench crest, root
The depth of burying filling pipe is 10cm, and root fills and is provided with apopore at interval of 15cm on pipe, and root filling pipe is pvc pipe or PE pipe, and root fills manages
Caliber be 4cm.
Further, in described step S5, the degree of depth of described collecting gutter is 1.6m, width is 0.6m, described moisture every
Absciss layer is made up of as filter course the metalling that thickness is 15cm and the geotextiles that thickness is 0.2cm, the side slope warp of described collecting gutter
Cross mechanical treatment.
Further, in described step S10, described filling pipe root fills and meets formula (1) by norm:
τ=κ × ρ × σ × f × (φmax-φmin)/(δ×100ω) (1)
Wherein: τ is design irrigating water quota mm；
κ is coefficient of pouring water, and is 0.1～0.12；
B is soil weight g cm-3, it is 1.25～1.40g cm-3；
σ is plan ground moistening layer depth m, is 0.5～0.25m；
F is percentage of wetted soil %, is 45～58%；
φmaxFor the suitable soil moisture content upper limit, for the 85～89% of maximum water-holding capacity；
φminFor suitable soil moisture content lower limit, for the 65～69% of maximum water-holding capacity；
δ is water efficiency of irrigation, is 0.85～0.89；
ω is salinity % in soil, is 0.1～0.6%.
Further, in described step S10, described fills pipe root and fills the cycle and meet formula (2):
T=(Q/E) × δ (2)
Q is design irrigating water quota mm；
T is design d irrigation frequency；
E is design water consumption intensity mm/d, for 5-7mm/d；
δ is water efficiency of irrigation, is 0.85～0.89.
The method have the benefit that: the water saving that the present invention provides keeps away the vegetation implantation methods of Yan Gou both sides, method
Simple to operate, by selection of land and excavate water saving and keep away Yan Gou, sealing coat is laid in water saving in keeping away salt ditch, finishing water saving keeps away Yan Gou both sides and ploughs
Layer soil, water saving keeps away Yan Gou both sides and buries root filling pipe, excavation collecting gutter and the wetland pool underground, and root fills pipe and water saving is kept away the oblique of Yan Gou both sides
Slope carries out root filling, and water saving keeps away the slope applications of Yan Gou both sides, and water saving keeps away the slope overlay film of Yan Gou both sides, and plantation, after plantation
Root fills, and in the soil existed when effectively solving current salt-soda soil crop-planting, salinity is high, salinity is assembled to soil surface, shadow
Ringing plant growth, increase the problem such as planting cost, reduction crop yield, the present invention can not only be effectively improved soil water storage energy
Power, keeps nutrient, additionally it is possible to improves loose soil divergence, improves soil compaction degree, and beneficially water conservation, fertilizer conservation, heat, permissible
Make Soluble salt ions direction quick leaching in alkaline land soil to below topsoil, reach to suppress soil salt by earth's surface covering with ground sheeting
Divide and assemble to upper soll layer, reduce salt content in anthropogenic soil, effectively control Soluble salt ions and return to mold with water again
In earth, effectively achieve the purpose keeping away salt, salt, by root irrigation technology, can not only ensure that plant is just commonly using water, Er Qieneng
Enough it is controlled with water, it is achieved the purpose of water saving.
Detailed description of the invention
For making those skilled in the art more clear and clear and definite technical scheme, below in conjunction with specific embodiment pair
The present invention is described in further detail, but embodiments of the present invention are not limited to this.
The present embodiment provides a kind of water saving to keep away the vegetation implantation methods of Yan Gou both sides, comprises the steps:
Step S1: selection of land is also excavated water saving and kept away Yan Gou
Select prepartion of land salt-soda soil, in salt-soda soil at interval of 15～20m excavation be parallel to each other the degree of depth be 1.2～
The water saving that 1.5m, lower width are 0.1～0.3m, upper width is 0.3～0.5m keeps away Yan Gou, and it is inverted trapezoidal joint that water saving keeps away salt ditch
Water keeps away Yan Gou, and the gradient of initiating terminal and end that water saving keeps away salt ditch is 5～8 ‰；
Step S2: water saving lays sealing coat in keeping away salt ditch
Humidity barrier is laid in the bottom keeping away salt ditch in water saving, humidity barrier by the metalling that thickness is 10～15cm and
Thickness be 0.1～0.3cm geotextiles make filter course composition；
Step S3: finishing water saving keeps away Yan Gou both sides topsoil soils
Water saving keeps away after salt ditch excavate, and to economizing on water, the topsoil soils keeping away Yan Gou both sides is repaired, and is trimmed to horizontal slope
The slope less than 30 °, the degree angle, and reinforce at the bottom of the slope on slope；
Step S4: water saving keeps away Yan Gou both sides and buries root filling pipe underground
After reinforcing at the bottom of the slope on slope, bury root underground in the position that distance slope bench crest horizontal range is 10～20cm and fill pipe,
It is 8～12cm that root fills the depth of burying of pipe, and root fills and is provided with apopore at interval of 10～20cm on pipe, and it is pvc pipe or PE that root fills pipe
Pipe, it is 3～5cm that root fills the caliber of pipe；
Step S5: excavation collecting gutter and the wetland pool
Water saving keep away the end cutting depth of salt ditch be 1.5～1.8m, width be 0.5～0.8m square collecting gutter,
The bottom of collecting gutter is provided with humidity barrier, humidity barrier by the metalling that thickness is 10～15cm and thickness be 0.1～
The geotextiles of 0.3cm makees filter course composition, and the end at collecting gutter constructs the wetland pool；
Step S6: root fills pipe and the slope keeping away Yan Gou both sides of economizing on water is carried out root filling
Opening and fill, with root, the irrigation equipment that pipe is connected, the slope that water saving keeps away Yan Gou both sides carries out root filling, at irrigation equipment
Middle addition polyacrylamide, addition is every cube of water 10～15g polyacrylamide, at the different times of plant growing, all makes
Fill pipe with root and the slope keeping away Yan Gou both sides of economizing on water is carried out root filling；
Step S7: water saving is kept away the slope applications of Yan Gou both sides
Keep away in water saving and execute animal on the slope of Yan Gou both sides and become thoroughly decomposed excrement and base manure, in animal becomes thoroughly decomposed excrement and base manure, add saw
Wood powder and desulfurization gypsum powder；
Step S8: water saving is kept away the slope overlay film of Yan Gou both sides
After Shi Haofei, water saving keeping away the slope overlay film of Yan Gou both sides, overlay film uses full overlay film form, and overlay film can all cover
Covering slope, overlay film selects resistance to close plastic thin film, and the film limit of plastic sheeting carries out earthing, earthing width 5～10cm, and earthing is thick
Degree 3～5cm；
Step S9: plantation
The crop selecting root system closeer is planted, and planting density should be moderate；
Step S10: after plantation, root fills
Filling to root and add polyacrylamide in pipe, addition is every cube of water 10～15g polyacrylamide, in plant growing
Different times, use root fill pipe the root of plant is carried out root filling.
Further, in described step S1, excavating, at interval of 18m, the degree of depth that is parallel to each other in salt-soda soil is 1.3m, bottom
The water saving that width is 0.2m, upper width is 0.4m keeps away Yan Gou, and the gradient of initiating terminal and end that water saving keeps away salt ditch is 6 ‰.
Further, in described step S2, the thickness of metalling described in described humidity barrier is 12cm, described geotechnique
The thickness of filter course made by cloth is 0.2cm.
Further, in described step S3, the horizontal slope angle on described slope is less than 25 °, and the height on described slope is
15cm, uses machinery to reinforce at the bottom of the slope on slope.
Further, in described step S4, described fills pipe is 15cm apart from the horizontal range of described slope bench crest, root
The depth of burying filling pipe is 10cm, and root fills and is provided with apopore at interval of 15cm on pipe, and root filling pipe is pvc pipe or PE pipe, and root fills manages
Caliber be 4cm.
Further, in described step S5, the degree of depth of described collecting gutter is 1.6m, width is 0.6m, described moisture every
Absciss layer is made up of as filter course the metalling that thickness is 15cm and the geotextiles that thickness is 0.2cm, the side slope warp of described collecting gutter
Cross mechanical treatment.
Further, in described step S10, described filling pipe root fills and meets formula (1) by norm:
τ=κ × ρ × σ × f × (φmax-φmin)/(δ×100ω) (1)
Wherein: τ is design irrigating water quota mm；
κ is coefficient of pouring water, and is 0.1～0.12；
B is soil weight g cm-3, it is 1.25～1.40g cm-3；
σ is plan ground moistening layer depth m, is 0.5～0.25m；
F is percentage of wetted soil %, is 45～58%；
φmaxFor the suitable soil moisture content upper limit, for the 85～89% of maximum water-holding capacity；
φminFor suitable soil moisture content lower limit, for the 65～69% of maximum water-holding capacity；
δ is water efficiency of irrigation, is 0.85～0.89；
ω is salinity % in soil, is 0.1～0.6%.
Further, in described step S10, described fills pipe root and fills the cycle and meet formula (2):
T=(Q/E) × δ (2)
Q is design irrigating water quota mm；
T is design d irrigation frequency；
E is design water consumption intensity mm/d, for 5-7mm/d；
δ is water efficiency of irrigation, is 0.85～0.89.
In sum, the water saving that the present embodiment provides keeps away the vegetation implantation methods of Yan Gou both sides, and method is simple to operate, passes through
Selection of land is also excavated water saving and is kept away Yan Gou, and sealing coat is laid in water saving in keeping away salt ditch, finishing water saving keeps away Yan Gou both sides topsoil soils, and water saving keeps away
Yan Gou buries both sides root underground and fills pipe, excavation collecting gutter and the wetland pool, and root fills pipe and the slope keeping away Yan Gou both sides of economizing on water is carried out root filling, right
Water saving keeps away the slope applications of Yan Gou both sides, and water saving keeps away the slope overlay film of Yan Gou both sides, plantation, and after plantation, root fills, and effectively solves
Determined current salt-soda soil crop-planting time the soil that exists in salinity is high, salinity is assembled to soil surface, affected plant growth, increasing
Adding planting cost, reduce the problems such as crop yield, the present invention can not only be effectively improved soil water storage ability, keeps nutrient, also
Loose soil divergence can be improved, improve soil compaction degree, and beneficially water conservation, fertilizer conservation, heat, can make in alkaline land soil
Soluble salt ions direction quick leaching to below topsoil, reach to suppress soil salt to gather to upper soll layer by earth's surface covering with ground sheeting
Collection, reduces salt content in anthropogenic soil, effectively controls Soluble salt ions and returns to, in anthropogenic soil, effectively realize with water again
Keep away the purpose of salt, salt, by root irrigation technology, can not only ensure that plant is just commonly using water, and can control with water
System, it is achieved the purpose of water saving.
The above, patent preferred embodiment the most of the present invention, but the protection domain of patent of the present invention is not limited to
This, any those familiar with the art is in the scope disclosed in patent of the present invention, according to the skill of patent of the present invention
Art scheme and conceive equivalent or change in addition, broadly falls into the protection domain of patent of the present invention.
Claims (8)
1. a water saving keeps away the vegetation implantation methods of Yan Gou both sides, it is characterised in that comprise the steps:
Step S1: selection of land is also excavated water saving and kept away Yan Gou
Select the salt-soda soil of prepartion of land, in salt-soda soil at interval of 15～20m excavations be parallel to each other the degree of depth be 1.2～1.5m,
The water saving that lower width is 0.1～0.3m, upper width is 0.3～0.5m keeps away Yan Gou, and it is that inverted trapezoidal water saving keeps away that water saving keeps away salt ditch
Salt ditch, the gradient of initiating terminal and end that water saving keeps away salt ditch is 5～8 ‰；
Step S2: water saving lays sealing coat in keeping away salt ditch
Humidity barrier is laid in the bottom keeping away salt ditch in water saving, and humidity barrier is by the metalling that thickness is 10～15cm and thickness
Be 0.1～0.3cm geotextiles make filter course composition；
Step S3: finishing water saving keeps away Yan Gou both sides topsoil soils
Water saving keeps away after salt ditch excavate, and to economizing on water, the topsoil soils keeping away Yan Gou both sides is repaired, and is trimmed to horizontal slope angle
Slope less than 30 °, and reinforce at the bottom of the slope on slope；
Step S4: water saving keeps away Yan Gou both sides and buries root filling pipe underground
After reinforcing at the bottom of the slope on slope, burying root underground in the position that distance slope bench crest horizontal range is 10～20cm and fill pipe, root fills
The depth of burying of pipe is 8～12cm, and root fills and is provided with apopore at interval of 10～20cm on pipe, and root fills pipe for pvc pipe or PE pipe, root
The caliber filling pipe is 3～5cm；
Step S5: excavation collecting gutter and the wetland pool
Water saving keep away the end cutting depth of salt ditch be 1.5～1.8m, width be 0.5～0.8m square collecting gutter, catchment
The bottom of ditch is provided with humidity barrier, and humidity barrier is 0.1～0.3cm by the metalling that thickness is 10～15cm and thickness
Geotextiles makees filter course composition, and the end at collecting gutter constructs the wetland pool；
Step S6: root fills pipe and the slope keeping away Yan Gou both sides of economizing on water is carried out root filling
Opening and fill, with root, the irrigation equipment that pipe is connected, the slope that water saving keeps away Yan Gou both sides carries out root filling, adds in irrigation equipment
Entering polyacrylamide, addition is every cube of water 10～15g polyacrylamide, at the different times of plant growing, all uses root
Fill pipe and the slope keeping away Yan Gou both sides of economizing on water is carried out root filling；
Step S7: water saving is kept away the slope applications of Yan Gou both sides
Keep away in water saving and execute animal on the slope of Yan Gou both sides and become thoroughly decomposed excrement and base manure, in animal becomes thoroughly decomposed excrement and base manure, add sawdust
And desulfurization gypsum powder；
Step S8: water saving is kept away the slope overlay film of Yan Gou both sides
After Shi Haofei, water saving keeping away the slope overlay film of Yan Gou both sides, overlay film uses full overlay film form, and overlay film can all cover
Slope, the overlay film resistance to close plastic thin film of selection, the film limit of plastic sheeting carries out earthing, earthing width 5～10cm, thickness of earth covering 3
～5cm；
Step S9: plantation
The crop selecting root system closeer is planted, and planting density should be moderate；
Step S10: after plantation, root fills
Filling to root and add polyacrylamide in pipe, addition is every cube of water 10～15g polyacrylamide, in plant growing not
Same time, use root to fill pipe and the root of plant is carried out root filling.
A kind of water saving the most according to claim 1 keeps away the vegetation implantation methods of Yan Gou both sides, it is characterised in that described step
In S1, in salt-soda soil at interval of 18m excavation be parallel to each other the degree of depth be 1.3m, lower width be 0.2m, upper width be 0.4m
Water saving keep away Yan Gou, the gradient of initiating terminal and end that water saving keeps away salt ditch is 6 ‰.
A kind of water saving the most according to claim 1 keeps away the vegetation implantation methods of Yan Gou both sides, it is characterised in that described step
In S2, the thickness of metalling described in described humidity barrier is 12cm, and it is 0.2cm that described geotextiles makees the thickness of filter course.
A kind of water saving the most according to claim 1 keeps away the vegetation implantation methods of Yan Gou both sides, it is characterised in that described step
In S3, the horizontal slope angle on described slope is less than 25 °, and the height on described slope is 15cm, uses machinery to enter at the bottom of the slope on slope
Row is reinforced.
A kind of water saving the most according to claim 1 keeps away the vegetation implantation methods of Yan Gou both sides, it is characterised in that described step
In S4, described fills pipe is 15cm apart from the horizontal range of described slope bench crest, and it is 10cm that root fills the depth of burying of pipe, and root fills
Being provided with apopore at interval of 15cm on Guan, root fills pipe and manages for pvc pipe or PE, and it is 4cm that root fills the caliber of pipe.
A kind of water saving the most according to claim 1 keeps away the vegetation implantation methods of Yan Gou both sides, it is characterised in that in described step
In rapid S5, the degree of depth of described collecting gutter is 1.6m, width is 0.6m, described humidity barrier by the metalling that thickness is 15cm and
Thickness is that the geotextiles of 0.2cm makees filter course composition, and the side slope of described collecting gutter is through mechanical treatment.
A kind of water saving the most according to claim 1 keeps away the vegetation implantation methods of Yan Gou both sides, it is characterised in that in described step
In rapid S10, described filling pipe root fills and meets formula (1) by norm:
τ=κ × ρ × σ × f × (φmax-φmin)/(δ×100ω) (1)
Wherein: τ is design irrigating water quota mm；
κ is coefficient of pouring water, and is 0.1～0.12；
B is soil weight g cm-3, it is 1.25～1.40g cm-3；
σ is plan ground moistening layer depth m, is 0.5～0.25m；
F is percentage of wetted soil %, is 45～58%；
φmaxFor the suitable soil moisture content upper limit, for the 85～89% of maximum water-holding capacity；
φminFor suitable soil moisture content lower limit, for the 65～69% of maximum water-holding capacity；
δ is water efficiency of irrigation, is 0.85～0.89；
ω is salinity % in soil, is 0.1～0.6%.
A kind of water saving the most according to claim 1 keeps away the vegetation implantation methods of Yan Gou both sides, it is characterised in that in described step
In rapid S10, described fills pipe root and fills the cycle and meet formula (2):
T=(Q/E) × δ (2)
Q is design irrigating water quota mm；
T is design d irrigation frequency；
E is design water consumption intensity mm/d, for 5-7mm/d；
δ is water efficiency of irrigation, is 0.85～0.89.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN203608649U (en) * | 2013-12-11 | 2014-05-28 | 哈密紫金科技有限公司 | Infiltration irrigation system |
| CN104904365A (en) * | 2015-05-30 | 2015-09-16 | 潍坊友容实业有限公司 | Method for comprehensively treating saline and alkaline land through combination of irrigation and planting |
| CN104938074A (en) * | 2015-05-30 | 2015-09-30 | 潍坊友容实业有限公司 | Saline land improvement system and method |
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