CN104871676B - Desert planting field and its construction method - Google Patents
Desert planting field and its construction method Download PDFInfo
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- CN104871676B CN104871676B CN201510217950.4A CN201510217950A CN104871676B CN 104871676 B CN104871676 B CN 104871676B CN 201510217950 A CN201510217950 A CN 201510217950A CN 104871676 B CN104871676 B CN 104871676B
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Abstract
The invention discloses a kind of desert planting field and its construction method, belong to agriculture field, the lower section of the soil in the desert planting field and side wall are equipped with the first ventilation anti-seepage layer and the second ventilation anti-seepage layer respectively；Wherein, the first ventilation anti-seepage layer and the second ventilation anti-seepage layer are structure as a whole, or the first ventilation anti-seepage layer and the second ventilation anti-seepage layer are Split type structure, now, the junction of the first ventilation anti-seepage layer and the second ventilation anti-seepage layer paves and has ventilation anti-seepage sand.Compared with prior art, desert planting field of the invention can prevent Water deep leaching, can keep soil air sufficient again.
Description
Technical field
The present invention relates to agricultural technology field, a kind of desert planting field and its construction method are particularly related to.
Background technology
With the development of the social economy, the agricultural land of China is increasingly reduced, in order to tackle the crisis that arable land is not enough, people
Various trials have been carried out, wherein, Planting Crops are exactly one of which method in desert.There is the desert dagger-axe of large area in China
Wall, about 1,600,000,000 mu, the solar energy received every year is also similar, if can be by desert transformation with farmland area almost
Into plantation field, then it can alleviate the not enough crisis in arable land well.
But, dry in desert, especially the soil in desert can not keep moisture, if planting farming in desert
Thing, then pouring the moisture of crops has the overwhelming majority to cause to waste from the soil lower section in desert planting field and side leakage.For
This problem is solved, people are below the soil in desert planting field and side wall lays fluid-tight plastic sheeting etc., still, laying
Although preventing Water deep leaching after plastic sheeting, while also having completely cut off the air circulation of soil, make to lack air in soil, press down
The breathing of crop root system has been made, has caused Grain Growth Situation poor, has been yielded poorly.
The content of the invention
The present invention, which provides one kind, can prevent Water deep leaching, can keep again desert planting field that soil air is sufficient and its
Construction method.
In order to solve the above technical problems, present invention offer technical scheme is as follows：
On the one hand, the present invention provides a kind of desert planting field, the lower section of the soil in the desert planting field and side wall point
The first ventilation anti-seepage layer and the second ventilation anti-seepage layer are not equipped with；Wherein, the first ventilation anti-seepage layer and the second ventilation anti-seepage
Layer is structure as a whole, or first ventilation anti-seepage layer and the second ventilation anti-seepage layer are Split type structure, and now, described first is saturating
The junction of gas impervious barrier and the second ventilation anti-seepage layer paves and has ventilation anti-seepage sand.
On the other hand, the present invention also provides a kind of construction method in above-mentioned desert planting field, including：
Step 1：Soil is dug out on desert, irrigation canals and ditches are formed；
Step 2：The first ventilation anti-seepage layer is laid in the bottom of the irrigation canals and ditches, side wall lays the second ventilation anti-seepage layer；Wherein,
The first ventilation anti-seepage layer and the second ventilation anti-seepage layer are structure as a whole, or first ventilation anti-seepage layer and second is breathed freely
Impervious barrier is Split type structure, now, first ventilation anti-seepage layer and the first ventilation anti-seepage layer junction pave on breathe freely
Antiseepage sand；
Step 3：Soil is filled out back inside the irrigation canals and ditches.
Compared with prior art, the first ventilation anti-seepage layer is equipped with below the soil in desert planting field of the invention, this
Sample, both ensure that the air circulation in soil, makes in soil containing sufficient air, moisture seepage downwards can be prevented again, is made
Soil keeps moistening, using water wisely, it is ensured that crops normal growth for a long time；Meanwhile, the side wall paving of the soil in desert planting field
Provided with the second ventilation anti-seepage layer, further prevent moisture to side leakage.Wherein, the first ventilation anti-seepage layer and the second ventilation anti-seepage
Layer can be structure as a whole, or be Split type structure, when being Split type structure, the first ventilation anti-seepage layer and the second ventilation anti-seepage
Being paved on the junction of layer has ventilation anti-seepage sand, and water can be prevented from interface seepage.The desert planting field can plant a variety of
Crops, are especially suitable for rice cultivation.
Brief description of the drawings
Fig. 1 is the structural representation in the desert planting field of the present invention；
Fig. 2 is the first ventilation anti-seepage layer and the first embodiment schematic diagram of the second ventilation anti-seepage layer in the present invention；
Fig. 3 is the first ventilation anti-seepage layer and second of embodiment schematic diagram of the second ventilation anti-seepage layer in the present invention；
Fig. 4 is the schematic flow sheet of the construction method in the desert planting field of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
On the one hand, the present invention provides a kind of desert planting field, as shown in figure 1, the lower section of the soil 11 in the desert planting field
And side wall is equipped with the first ventilation anti-seepage layer 12 and the second ventilation anti-seepage layer 13 respectively；Wherein, 12 He of the first ventilation anti-seepage layer
Second ventilation anti-seepage layer 13 is structure as a whole, or the first ventilation anti-seepage layer 12 and the second ventilation anti-seepage layer 13 are Split type structure,
Now, the junction of the first ventilation anti-seepage layer 12 and the second ventilation anti-seepage layer 13, which paves, ventilation anti-seepage sand.
Compared with prior art, the first ventilation anti-seepage layer is equipped with below the soil in desert planting field of the invention, this
Sample, both ensure that the air circulation in soil, makes in soil containing sufficient air, moisture seepage downwards can be prevented again, is made
Soil keeps moistening, using water wisely, it is ensured that crops normal growth for a long time；Meanwhile, the side wall paving of the soil in desert planting field
Provided with the second ventilation anti-seepage layer, further prevent moisture to side leakage.Wherein, the first ventilation anti-seepage layer and the second ventilation anti-seepage
Layer can be structure as a whole, or be Split type structure, when being Split type structure, the first ventilation anti-seepage layer and the second ventilation anti-seepage
Being paved on the junction of layer has ventilation anti-seepage sand, and water can be prevented from interface seepage.The desert planting field can plant a variety of
Crops, are especially suitable for rice cultivation.
Above-mentioned first ventilation anti-seepage layer 12 and the second ventilation anti-seepage layer 13 can be any materials, as long as meeting to pass through
Air and waterproof, it is general, can spread ventilation anti-seepage sand 14 on ventilative film, the first ventilation anti-seepage layer 12 and/
Or second ventilation anti-seepage layer 13 can all breathe freely that (not shown) or subregion are ventilative with whole region, subregion is not
Ventilative, preferably subregion is ventilative, subregion is airtight, so ventilation anti-seepage sand 14 need to be paved on ventilation area i.e.
Can, as shown in figure 1, because the price of ventilation anti-seepage sand is higher, therefore cost can be saved, specific embodiment has：
Mode one：
As shown in Fig. 2 the first ventilation anti-seepage layer 12 and/or the second ventilation anti-seepage layer 13 are in geotextiles 21, geotextiles 21
The airtight region 211 of strip distribution is arranged at intervals with, other regions are ventilation area 212, and airtight region 211 is by soil
Spray resin formation geomembrane on work cloth 21 to be made, paving on ventilation area 212 has ventilation anti-seepage sand.
Geotextiles are the water penetration geosynthetics by acupuncture or braiding by synthetic fibers, and geomembrane is a kind of
Waterproof isolation-type material by base stock of high molecular polymer, sprays resin formation interval on the subregion of geotextiles
Strip is distributed geomembrane so that geotextiles subregion is breathed freely, and subregion is airtight, and pave ventilation anti-seepage on ventilation area
Sand, you can obtain the first ventilation anti-seepage layer and/or the second ventilation anti-seepage layer.Geotextiles have lightweight, tensile strength it is high, infiltration
Property good, high temperature resistant, anti-freezing, it is ageing-resistant, corrosion-resistant the advantages of, and geotextiles are economical and practical, and construction technology is simple, the duration
It is short.
Further, the width in airtight region 211 is 1m-2m, and the width of ventilation area 212 is 1m-3m.Ventilation area
Area it is bigger, it is necessary to which the ventilation anti-seepage sand paved is more, cost is higher, but the gas permeability of soil is better, and this is accomplished by
Choice is made between cost and gas permeability, inventor has found, when the width (width in i.e. airtight region) of geomembrane is 1m-
2m, when the spacing (i.e. the width of ventilation area) of adjacent geomembrane is 1m-3m, can keep the fine air permeability of soil, and energy
Save cost.
Mode two：
As shown in figure 3, the first ventilation anti-seepage layer 12 and/or the second ventilation anti-seepage layer 13 are on plastic cloth 22, plastic cloth 22
The ventilation area 221 of strip distribution is arranged at intervals with, other regions are airtight region 222, and ventilation area 221 is by plastics
Punch and be made on cloth 22, being paved on ventilation area 221 has ventilation anti-seepage sand.
Plastic cloth is formed by plastic layer with netted basic unit's hot pressing, and it is a kind of gas impermeable material, the interval on plastic cloth
Strip region is punched so that plastic cloth subregion is breathed freely, and subregion is airtight, and pave ventilation anti-seepage on ventilation area
Sand, you can obtained the first ventilation anti-seepage layer and/or the second ventilation anti-seepage layer.Plastic cloth has pliability good, and working strength is big,
It is not easily broken, the advantages of not degradable.
Further, the width of the ventilation area 221 of plastic cloth is 1m-3m, and the width in airtight region 222 is 1m-2m,
A diameter of 0.3-1cm in hole, the spacing of adjacent holes is 0.5-5cm.Inventor has found, when the width of ventilation area is 1m-2m, phase
The spacing (width in i.e. airtight region) of adjacent ventilation area is 1m-3m, a diameter of 0.3-1cm in hole, and the spacing of adjacent holes is
During 0.5-5cm, the fine air permeability of soil can be kept, cost can be saved again.
As a modification of the present invention, the first ventilation anti-seepage layer 12 and/or the second ventilation anti-seepage layer 13 for it is multiple side by side
Set and overlap joint connection, interface, which paves, ventilation anti-seepage sand.
Because the area in the desert planting field can be made big, and the first ventilation anti-seepage layer and the second ventilation anti-seepage layer
It is very big that (geotextiles or plastic cloth etc.) can not possibly be processed, and is easy to process and facility during construction, can be by multiple faces
Product less first ventilation anti-seepage layer and/or the second ventilation anti-seepage layer are arranged side by side by way of overlap joint, to prevent water from connecing
Seepage at mouthful, also being paved in interface has ventilation anti-seepage sand.
As shown in figure 1, the fringe region of the first ventilation anti-seepage layer 12 can be flipped up to obtain the second ventilation anti-seepage layer
13, now, the side wall of the soil 11 in desert planting field is ramped shaped.First ventilation anti-seepage layer and the second ventilation anti-seepage layer, are only needed
The fringe region of the first ventilation anti-seepage layer is flipped up in construction, it is convenient and swift.
As another improvement of the present invention, the thickness of ventilation anti-seepage sand 14 is 1mm-3cm, so both can guarantee that water will not
Seepage, can practice every conceivable frugality cost again, and the thickness of the soil 11 in desert planting field is 60-80cm, so ensure that crops
Root system has sufficient growing space.
On the other hand, the present invention provides a kind of construction method in above-mentioned desert planting field, as shown in figure 4, including：
Step 1：Soil is dug out on desert, irrigation canals and ditches are formed；
Step 2：The first ventilation anti-seepage layer is laid in the bottom of irrigation canals and ditches, side wall lays the second ventilation anti-seepage layer；Wherein, first
Ventilation anti-seepage layer and the second ventilation anti-seepage layer are structure as a whole, or the first ventilation anti-seepage layer and the second ventilation anti-seepage layer are split
Structure, now, the first ventilation anti-seepage layer and the first ventilation anti-seepage layer junction pave on ventilation anti-seepage sand；
In this step, first ventilative geotextiles or plastic cloth are laid, then in the ventilative of geotextiles or plastic cloth
Ventilation anti-seepage sand is spread in region, forms the first ventilation anti-seepage layer and the second ventilation anti-seepage layer；
Step 3：Soil is filled out back inside irrigation canals and ditches.
The first ventilation anti-seepage layer is equipped with below the soil in the desert planting field obtained by this method, so, was both protected
The air circulation in soil has been demonstrate,proved, has made in soil containing sufficient air, moisture seepage downwards can be prevented again, when making soil long
Between keep moistening, using water wisely, it is ensured that crops normal growth；Meanwhile, the side wall of the soil in desert planting field is equipped with second
Ventilation anti-seepage layer, further prevents moisture to side leakage.Wherein, the first ventilation anti-seepage layer and the second ventilation anti-seepage layer can be
Integrative-structure, or be Split type structure, when being Split type structure, the connection of the first ventilation anti-seepage layer and the second ventilation anti-seepage layer
Being paved in place has ventilation anti-seepage sand, and water can be prevented from interface seepage.
As a modification of the present invention, step 3 is further：New irrigation canals and ditches are excavated along the one long side of irrigation canals and ditches, and will
The soil that new irrigation canals and ditches obtain is excavated to fill out in previous irrigation canals and ditches；
Also include after step 3：
Step 4：The first ventilation anti-seepage layer is laid in the bottom of new irrigation canals and ditches, and makes first ventilation anti-seepage layer and previous first
Ventilation anti-seepage layer overlap joint；
Step 5：Pave one layer and breathe freely with previous first ventilation anti-seepage layer lap-joint in the first ventilation anti-seepage layer of new irrigation canals and ditches
Antiseepage sand；
Step 6：Step 3-5 is repeated several times, until forming the desert planting field of desirable amount.
When the area in desert planting field is larger, it is necessary to by multiple first ventilation anti-seepages layer and/or the second ventilation anti-seepage layer
Overlap joint is used, and in construction, first digs an irrigation canals and ditches, and the first ventilation anti-seepage layer is laid in irrigation canals and ditches, opened being close to the irrigation canals and ditches
Another irrigation canals and ditches are dug, the soil that excavation is obtained is filled out in previous irrigation canals and ditches, by that analogy, until forming the desert of desirable amount
Plant field, this form of construction work efficiency high, without obtained soil bulk deposition will be excavated.Pave one layer to breathe freely in lap-joint and prevent
Interface seepage can be prevented by oozing sand.
In above-mentioned work progress, when the first ventilation anti-seepage layer and the second ventilation anti-seepage layer are structure as a whole, directly by the
The fringe region of one ventilation anti-seepage layer is flipped up and covered on the side wall of irrigation canals and ditches obtain the second ventilation anti-seepage layer,
Now, it is desirable to which the side wall of the soil in desert planting field is ramped shaped, convenient and quick construction.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of desert planting field, it is characterised in that the lower section of the soil in the desert planting field and side wall are equipped with respectively
First ventilation anti-seepage layer and the second ventilation anti-seepage layer；Wherein, the first ventilation anti-seepage layer and the second ventilation anti-seepage layer are integrated
Structure, or first ventilation anti-seepage layer and the second ventilation anti-seepage layer are Split type structure, now, the first ventilation anti-seepage layer
Being paved with the junction of the second ventilation anti-seepage layer has ventilation anti-seepage sand；
The first ventilation anti-seepage layer and/or the second ventilation anti-seepage layer are to be arranged at intervals with strip in geotextiles, the geotextiles
The airtight region of distribution, other regions are ventilation area, and the airtight region in the geotextiles by spraying resin
Form geomembrane to be made, paving on the ventilation area has ventilation anti-seepage sand, the width in the airtight region is 1m-2m, institute
The width for stating ventilation area is 1m-3m, and the thickness of the ventilation anti-seepage sand is 1mm-3cm；
Or, the first ventilation anti-seepage layer and/or the second ventilation anti-seepage layer are to be arranged at intervals with plastic cloth, the plastic cloth
The ventilation area of strip distribution, other regions are airtight region, and the ventilation area is made by being punched on the plastic cloth
, being paved on the ventilation area has ventilation anti-seepage sand, and the width of the ventilation area is 1m-3m, the airtight region
Width is 1m-2m, a diameter of 0.3-1cm in the hole, and the spacing of adjacent holes is 0.5-5cm, the thickness of the ventilation anti-seepage sand
For 1mm-3cm.
2. the desert planting field according to claim 1 claim, it is characterised in that the first ventilation anti-seepage layer and/
Or second ventilation anti-seepage layer be arranged side by side and overlap connection to be multiple, interface, which paves, ventilation anti-seepage sand.
3. desert planting field according to claim 1, it is characterised in that the side wall of the soil in the desert planting field is oblique
Ramp shaped, the second ventilation anti-seepage layer is by the way that the fringe region of first ventilation anti-seepage layer to be flipped up obtaining.
4. the desert planting field according to claim 1-3 any claims, it is characterised in that the desert planting field
Thickness of soil is 60-80cm.
5. the construction method in any described desert planting fields of claim 1-4, it is characterised in that including：
Step 1：Soil is dug out on desert, irrigation canals and ditches are formed；
Step 2：The first ventilation anti-seepage layer is laid in the bottom of the irrigation canals and ditches, side wall lays the second ventilation anti-seepage layer；Wherein, first will
Ventilative geotextiles or plastic cloth are laid, then spread ventilation anti-seepage sand, shape in the ventilation area of geotextiles or plastic cloth
Into the first ventilation anti-seepage layer and the second ventilation anti-seepage layer；The first ventilation anti-seepage layer and the second ventilation anti-seepage layer are integrated knot
Structure, or first ventilation anti-seepage layer and the second ventilation anti-seepage layer are Split type structure, now, in first ventilation anti-seepage layer
Paved upper ventilation anti-seepage sand with the junction of the first ventilation anti-seepage layer；
Step 3：Soil is filled out back inside the irrigation canals and ditches；
The step 3 is further：New irrigation canals and ditches are excavated along the one long side of the irrigation canals and ditches, and are obtained the new irrigation canals and ditches are excavated
Soil fill out in previous irrigation canals and ditches；
Also include after the step 3：
Step 4：The first ventilation anti-seepage layer is laid in the bottom of the new irrigation canals and ditches, and makes first ventilation anti-seepage layer and previous first
Ventilation anti-seepage layer overlap joint；
Step 5：Pave one layer and breathe freely with previous first ventilation anti-seepage layer lap-joint in the first ventilation anti-seepage layer of the new irrigation canals and ditches
Antiseepage sand；
Step 6：Step 3-5 is repeated several times, until forming the desert planting field of desirable amount.
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| CN201510217950.4A CN104871676B (en) | 2015-04-30 | 2015-04-30 | Desert planting field and its construction method |
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| CN104871676B true CN104871676B (en) | 2017-09-29 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922239A (en) * | 2015-12-31 | 2017-07-07 | 北京仁创科技集团有限公司 | Desert planting structure and its construction method |
| CN105900758B (en) * | 2016-04-20 | 2019-05-14 | 中国水稻研究所 | A kind of method of desert planting rice |
| CN107059838B (en) * | 2016-12-29 | 2019-06-21 | 河海大学 | Grouting device and grouting method for sandy land |
| CN107211785B (en) * | 2017-07-12 | 2020-02-18 | 魏生龙 | Method for large-area soil preparation and rice planting in desert area |
| CN108112432B (en) * | 2017-12-15 | 2020-11-13 | 中国水稻研究所 | Method for planting rice in sandy soil |
| CN108782096A (en) * | 2018-07-20 | 2018-11-13 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Plant cover cultivation methods in sandy land and its application in planting cyperue esculentus |
| CN109964766A (en) * | 2019-04-24 | 2019-07-05 | 鄂尔多斯市环保投资有限公司 | A kind of method of desert site preparation and rice cultivation |
| CN110612792B (en) * | 2019-09-10 | 2022-04-15 | 中国科学院新疆生态与地理研究所 | Method for improving agricultural water and fertilizer utilization efficiency of desert facilities by utilizing porous membrane |
| CN114568236A (en) * | 2022-04-19 | 2022-06-03 | 浙江南琪生态环保技术有限公司 | High-standard paddy field system built by sand-based microbead technology |
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Application publication date: 20150902 Assignee: Zhonggong Hengrun (Beijing) Construction Engineering Co.,Ltd. Assignor: BEIJING RECHSAND SCIENCE & TECHNOLOGY GROUP Co.,Ltd. Contract record no.: X2023990000383 Denomination of invention: Desert Planting Fields and Their Construction Methods Granted publication date: 20170929 License type: Common License Record date: 20230411 |