CN205682045U - A kind of whole life cycle design being beneficial to soil moisture conservation - Google Patents
A kind of whole life cycle design being beneficial to soil moisture conservation Download PDFInfo
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- CN205682045U CN205682045U CN201620538019.6U CN201620538019U CN205682045U CN 205682045 U CN205682045 U CN 205682045U CN 201620538019 U CN201620538019 U CN 201620538019U CN 205682045 U CN205682045 U CN 205682045U
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- soil moisture
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
Abstract
The utility model discloses a kind of whole life cycle design being beneficial to soil moisture conservation, belong to laminar product technical field, it includes film body, is characterised by: described film body is made up of the first degraded layer, barrier layer and the second degraded layer that order is connected successively.This kind of mulch film is owing to adding barrier layer in film body, by increasing capacitance it is possible to increase the air tightness of film body, reduces its breathability, stops the evaporation cutting off moisture, thus improves the conservation rate of soil moisture, strengthens soil moisture conservation performance.
Description
Technical field
This utility model belongs to laminar product technical field, is specifically related to a kind of whole life cycle design being beneficial to soil moisture conservation.
Background technology
Mulching planting can make crop yield improve about 30%, in the arid area that northern China is vast, mulch film kind
The advantage planted is especially prominent so that mulching planting has obtained spread.According to statistics, China's mulch film consumption in 2011
125.5 ten thousand tons, area coverage reaches 300,000,000 mu；National mulch film consumption 136.2 ten thousand tons in 2013, culture underglass area more than 3.7 hundred million mu；
Plastic film mulching cultivation area more than 3.8 hundred million mu in 2014, mulch film year sales volume 142.8 ten thousand tons, annual consumption is all quickly increasing.
The currently used mulch film overwhelming majority is PE mulch film, and due to its non-biodegradable, mulching film planting is agriculture for China
While production is made that major contribution, using the passage of time with it, white pollution problems is the most serious, not only threatens
The ecological environment that we depend on for existence, mulch film residual also creates the underproduction of crops.White pollution problems must be solved as early as possible
Cause the great attention of associated specialist.
Developing in the recent period and be able to the whole life cycle design that non-petroleum base biodegradation material is raw material, it is typically in soil
After compost treatment 3 to 6 months, so that it may completely by the bacterial digestion in soil, even some composition can be broken down into has plant
The nutrients such as lactic acid, carbon dioxide and the water of benefit, completing raw material comes from nature, returns the most again in this is circulated throughout naturally
Journey, revolutionizes tradition PE plastics and is difficult to degraded, situation to Zinc fractions white pollution.
Along with the application of this emerging product of whole life cycle design, although finding that it solves white pollution problems, but
Moisture evaporation after using is too fast with loss, and soil moisture conservation performance is bad, affects growth and the yield of crop, have impact on this kind in turn
The popularization and application of mulch film.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of whole life cycle design being beneficial to soil moisture conservation, it is possible to fall
Low-moisture infiltration and loss, improve soil moisture conservation performance.
For solving above-mentioned technical problem, the technical solution of the utility model is: invent a kind of complete biological fall being beneficial to soil moisture conservation
Solve mulch film, including film body, it is characterised in that: described film body is by the first degraded layer that order is connected successively, barrier layer and the second fall
Solution layer is constituted.
Preferably, described first degraded layer is or/and the zona pellucida that arranged by interphase distribution of the second degraded layer and black bands structure
Become.
Preferably, the width of described zona pellucida is 25～40mm.
Preferably, the width of described zona pellucida is 30～35mm.
Preferably, the thickness of described first degraded layer, barrier layer and the second degraded layer is than for 4:2:4.
Preferably, described barrier layer is evoh layer.
Compared with prior art, the beneficial effects of the utility model are:
1, owing to film body adding barrier layer, by increasing capacitance it is possible to increase the air tightness of film body, reduce its breathability, stop and cut off water
The evaporation divided, thus improve the conservation rate of soil moisture, strengthen soil moisture conservation performance.
2, due to the first degraded layer or/and zona pellucida and black bands that the second degraded layer is arranged by interphase distribution are constituted, make
Obtaining mulch film and form zebra-stripe shape, zona pellucida is positioned on ridge, and black bands is positioned between ridge, reduces photosynthesis, weeds between suppression ridge
Growth, reduces the nutrient of weeds contention crop, is beneficial to improve the yield of crop.
3, the width of zona pellucida is generally 25～40mm, preferably 30～35mm, on the premise of can suppressing weeds, also
Ensure that crops are enjoyed sufficient sunlight and irradiate as much as possible, be beneficial to it and grow up strong and sturdy.
4, the thickness ratio of the first degraded layer, barrier layer and the second degraded layer is during for 4:2:4, can not only extend the degraded of mulch film
Time so that mulch film after a procedure within 6,7 months, start degraded, moreover it is possible to ensure the excellent soil moisture conservation performance of mulch film.
5, due to barrier layer selection, there is the evoh layer of good barrier effect, can greatly drop low-moisture infiltration and loss,
Can prevent it from meeting water hydrolysis simultaneously as intermediate layer.
6, this utility model simple in construction, can be greatly improved the soil moisture conservation performance of whole life cycle design, it is simple in industry
Popularization and application.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment one；
Fig. 2 is the structural representation of embodiment two.
Reference is: 1, film body；2, the first degraded layer；3, evoh layer；4, the second degraded layer；5, black bands；6, transparent
Band.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
This utility model will be wound mulch film rod and make, and be defined as the width of mulch film along its axially direction, accordingly
The direction of pull-out is defined as length direction by ground.
Embodiment one
As it is shown in figure 1, film body 1 in this utility model is by the first degraded layer 2 of order bonding successively, evoh layer 3 and the
Two degraded layer 4 are constituted, and the thickness of three is than for 4:2:4.The film body 1 being arranged such adds the EVOH with good barrier effect
Layer 3 as intermediate layer, not only increases the air tightness of film body 1, reduces its breathability, greatly drop low-moisture infiltration and run off from
And improve the conservation rate of soil moisture, strengthen soil moisture conservation performance；Can also prevent it from meeting water hydrolysis, preferably continue its soil moisture conservation property
Energy.
In order to suppress the growth of weeds, in the first degraded layer 2, it is provided with black bands 5 so that the first degraded layer 2 is by interlocking
Zona pellucida 6 and the black bands 5 of arrangement are constituted, and the width of zona pellucida 6 is 25～40mm, and preferably 30～35mm are specifically as follows 25
Mm, 30mm, 32 mm, 35mm and 40mm.Zona pellucida 6 and black bands 5, along the length direction setting of film body 1, are formed chequered with black and white
Zebra mulch film.During use, zona pellucida 6 is positioned on ridge, and black bands 5 is positioned between ridge, it is ensured that the photosynthesis of crops, reduces ridge
Between the photosynthesis of weeds, suppress it to grow, reduce the nutrient of weeds contention crop, be beneficial to improve the yield of crop.
Embodiment two
The present embodiment is with the difference of embodiment one: as in figure 2 it is shown, the present embodiment is in the first degraded layer 2 and
Two degraded layer 4 are provided with black bands 5, and the position that black bands 5 is in the first degraded layer 2 with in the second degraded layer 4
Position corresponding.This kind of mulch film can preferably reduce photosynthesis between ridge, and herbicide effect is more preferably.
Mulch film in above-described embodiment, through using, all can maintain growth preferably at the crop growth initial stage for it
Temperature and moisture, 6,7 months after a procedure, crops arrived Later growth, the most ripe, started biodegradation, decomposed
Become lactic acid, carbon dioxide and water, and intermediate layer also begins to meet water hydrolysis, it is achieved that the full biological green degraded of mulch film.
The above, be only preferred embodiment of the present utility model, is not that this utility model is made other form
Restriction, any those skilled in the art are combined possibly also with the technology contents of the disclosure above, change or retrofit
It is Equivalent embodiments of the present utility model.But every without departing from technical solutions of the utility model content, new according to this practicality
Any simple modification, equivalent variations and the remodeling that above example is made by the technical spirit of type, still falls within this utility model skill
The protection domain of art scheme.
Claims (6)
1. it is beneficial to a whole life cycle design for soil moisture conservation, including film body, it is characterised in that: described film body is connected by order successively
The first degraded layer, barrier layer and the second degraded layer constitute.
The whole life cycle design being beneficial to soil moisture conservation the most according to claim 1, it is characterised in that: described first degraded layer
Or/and zona pellucida and black bands that the second degraded layer is arranged by interphase distribution are constituted.
The whole life cycle design being beneficial to soil moisture conservation the most according to claim 2, it is characterised in that: the width of described zona pellucida
It is 25～40mm.
The whole life cycle design being beneficial to soil moisture conservation the most according to claim 3, it is characterised in that: the width of described zona pellucida
It is 30～35mm.
5. according to the arbitrary described whole life cycle design being beneficial to soil moisture conservation of Claims 1-4, it is characterised in that: described first
The thickness of degraded layer, barrier layer and the second degraded layer is than for 4:2:4.
The whole life cycle design being beneficial to soil moisture conservation the most according to claim 5, it is characterised in that: described barrier layer is EVOH
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538019.6U CN205682045U (en) | 2016-06-06 | 2016-06-06 | A kind of whole life cycle design being beneficial to soil moisture conservation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538019.6U CN205682045U (en) | 2016-06-06 | 2016-06-06 | A kind of whole life cycle design being beneficial to soil moisture conservation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205682045U true CN205682045U (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620538019.6U Active CN205682045U (en) | 2016-06-06 | 2016-06-06 | A kind of whole life cycle design being beneficial to soil moisture conservation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106962079A (en) * | 2017-04-06 | 2017-07-21 | 河北省林业科学研究院 | Preserve soil moisture anti-careless ecological pad and preparation method thereof |
| CN111480500A (en) * | 2020-04-13 | 2020-08-04 | 梁玉祥 | Multifunctional degradable mulching film and preparation method thereof |
-
2016
- 2016-06-06 CN CN201620538019.6U patent/CN205682045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106962079A (en) * | 2017-04-06 | 2017-07-21 | 河北省林业科学研究院 | Preserve soil moisture anti-careless ecological pad and preparation method thereof |
| CN111480500A (en) * | 2020-04-13 | 2020-08-04 | 梁玉祥 | Multifunctional degradable mulching film and preparation method thereof |
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