CN111357633A - A matrix string bag for plant cultivation - Google Patents
A matrix string bag for plant cultivation Download PDFInfo
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- CN111357633A CN111357633A CN202010244548.6A CN202010244548A CN111357633A CN 111357633 A CN111357633 A CN 111357633A CN 202010244548 A CN202010244548 A CN 202010244548A CN 111357633 A CN111357633 A CN 111357633A
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- Prior art keywords
- substrate
- permeable
- air
- overflow
- water
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- 239000011159 matrix material Substances 0.000 title description 14
- 239000000758 substrate Substances 0.000 claims abstract description 86
- 239000012528 membrane Substances 0.000 claims abstract description 49
- 235000015097 nutrients Nutrition 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004744 fabric Substances 0.000 claims abstract description 26
- 239000011148 porous material Substances 0.000 claims abstract description 17
- 239000012466 permeate Substances 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 abstract description 57
- 150000003839 salts Chemical class 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 238000003973 irrigation Methods 0.000 description 14
- 230000002262 irrigation Effects 0.000 description 14
- 239000007788 liquid Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- 241000220223 Fragaria Species 0.000 description 6
- 235000016623 Fragaria vesca Nutrition 0.000 description 6
- 235000011363 Fragaria x ananassa Nutrition 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 5
- 230000004720 fertilization Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 241000519406 Paphiopedilum Species 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000012136 culture method Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229940113601 irrigation solution Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention relates to the field of plant cultivation equipment, and provides a substrate net bag for plant cultivation. The substrate tuck net comprises substrate tuck cloth, a selective permeable membrane and a filter layer, wherein the substrate tuck cloth comprises an air and water permeable area and two overflow areas, the air and water permeable area is positioned in the middle of the substrate tuck cloth, the two overflow areas are respectively positioned on two sides of the air and water permeable area, the height of each overflow area is higher than that of each air and water permeable area, and a plurality of pores are uniformly distributed in the air and water permeable area and the overflow areas; the upper surface in ventilative permeable to water district has covered in proper order from bottom to top selectively permeate the membrane with the filter layer, selectively permeate the membrane and be used for intercepting nutrient ion. The invention has simple structure and low cost, not only avoids the problems of nutrient loss and salt damage in the process of fertigation and the phenomenon of rottenness of plant roots caused by unsmooth drainage, but also realizes the high-efficiency and clean cultivation of plants.
Description
Technical Field
The invention relates to the field of plant cultivation equipment, in particular to a substrate net bag for plant cultivation.
Background
Soilless culture refers to a culture method in which water, grass peat, forest leaf mold or vermiculite and other media are used as substrates to fix plant roots, so that the plant roots can directly contact with nutrient solution. The soilless culture is characterized in that the artificially created plant root system growing environment replaces the soil environment, the requirements of plants on nutrient, moisture, air and other conditions can be met, and the requirements on the conditions are controlled and adjusted, so that the plants can be promoted to grow better, and the production efficiency is improved.
At present, the groove type soilless culture mode is more and more widely applied to plant cultivation. However, the cultivation groove adopted in the groove type soilless cultivation is usually made of plastic, the air permeability is poor, the plant root system is easy to lack of oxygen, and water logging is easy to occur if irrigation and fertilization are unreasonable, so that the problems of rot of the plant root system and salt damage caused by nutrient accumulation are caused. In addition, the plastic cultivation tank is not easy to install and transport, has higher cost, is easy to age during high-temperature disinfection, and is not beneficial to repeated use for many years. In order to avoid the above situations, the bottom of the cultivation tank is generally provided with a leakage plate or a direct hole. Although the method avoids the problems of rottenness of the plant root system and salt damage caused by nutrient accumulation, during fertigation, the nutrients around the plant root system are lost along with the leakage of the irrigation liquid, so that nutrient waste and environmental pollution are caused, and the development of efficient and clean production of plants is not facilitated.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art. Therefore, the invention provides the substrate net bag for plant cultivation, which has the advantages of simple structure, low cost and long service life, and is used for avoiding nutrient loss and salt damage in the irrigation and fertilization process and avoiding the phenomenon of plant root system rot caused by unsmooth drainage.
The substrate tuck net for plant cultivation according to the embodiment of the present invention comprises a substrate tuck cloth, a selective permeation membrane and a filter layer, wherein the substrate tuck cloth comprises an air and water permeable region and two overflow regions, the air and water permeable region is located in the middle of the substrate tuck cloth, the two overflow regions are respectively located on both sides of the air and water permeable region, the height of the overflow regions is higher than that of the air and water permeable region, and a plurality of pores are uniformly distributed in the air and water permeable region and the overflow regions; the upper surface in ventilative permeable to water district has covered in proper order from bottom to top selectively permeate the membrane with the filter layer, selectively permeate the membrane and be used for intercepting nutrient ion.
According to the substrate net bag for plant cultivation provided by the embodiment of the invention, the problems of nutrient loss and salt damage in the irrigation and fertilization process and the phenomenon of plant root system decay caused by unsmooth drainage are avoided, and efficient and clean cultivation of plants is realized.
In addition, the substrate net bag for plant cultivation according to the embodiment of the invention can also have the following additional technical characteristics:
according to one embodiment of the invention, the permeable/air permeable region has a pore density greater than the pore density of the overflow region.
According to one embodiment of the invention, the sum of the widths of the air-permeable and water-permeable zones and the two spill zones is less than the total width of the substrate bib.
According to one embodiment of the present invention, the sum of the widths of the air-permeable and water-permeable zones and the two spill zones is not greater than 3/4 of the total width of the matrix fleece.
According to one embodiment of the invention, the sum of the widths of the two overflow zones is between 10cm and 15 cm.
According to one embodiment of the present invention, the overall width of the substrate paulin is 50cm to 120cm, the overflow area is 5cm to 10cm in width, and the air-permeable and water-permeable area is 20cm to 60cm in width.
According to one embodiment of the present invention, the substrate inlet and the selective permeation membrane, and the selective permeation membrane and the filtration layer are bonded by an adhesive.
According to one embodiment of the present invention, the material of the base wadding is nylon, and the material of the filter layer is non-woven fabric or filter cotton.
According to one embodiment of the present invention, the longitudinal sectional shape of the matrix fleece is U-shaped or V-shaped.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:
the invention has simple structure, low cost and long service life, and ensures the air permeability and the water permeability of plants by adopting the selective permeable membrane and arranging the pores in the air permeable and water permeable area of the substrate pocket cloth. On the basis, the selective permeable membrane covers the breathable and permeable area of the matrix pocket cloth, so that nutrients in the irrigation liquid can be prevented from reaching the breathable and permeable area of the matrix pocket cloth, redundant nutrients which are not absorbed by the plants in time are continuously accumulated above the selective permeable membrane for the plants to continuously absorb, and further the redundant nutrients which are not absorbed by the plants in time are prevented from being lost due to leakage. In addition, the overflow area higher than the air-permeable and water-permeable areas is arranged on the substrate pocket cloth, so that the overflowed nutrients can be timely leaked out through the pores of the overflow area when the concentration of the nutrients reaches a certain value, namely, the nutrients accumulated above the selective permeable membrane overflow the selective permeable membrane, and the problem of salt damage caused by excessive nutrient accumulation at the root system of the plant is further avoided. Therefore, the invention not only avoids the problems of nutrient loss and salt damage in the process of fertigation and the phenomenon of rottenness of the plant root system caused by unsmooth drainage, but also realizes the high-efficiency and clean cultivation of the plant.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view illustrating an installation of a substrate net bag for plant cultivation according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a substrate net bag for plant cultivation according to an embodiment of the present invention.
Reference numerals:
1. a substrate pocket cloth; 1.1, an air-permeable and water-permeable area; 1.2, an overflow area;
2. a selectively permeable membrane; 3. a filter layer; 4. a substrate; 5. a plant;
6. a nutrient ion; 7. a support frame; 8. and (4) the ground.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Referring to fig. 1 and 2, an embodiment of the present invention provides a substrate net for plant cultivation, the substrate net includes a substrate cloth 1, a selectively permeable membrane 2 and a filter layer 3, the substrate cloth 1 includes an air-permeable and water-permeable region 1.1 and two overflow regions 1.2, the air-permeable and water-permeable region 1.1 is located in the middle of the substrate cloth 1, the two overflow regions 1.2 are respectively located at two sides of the air-permeable and water-permeable region 1.1, the overflow region 1.2 is higher than the air-permeable and water-permeable region 1.1, and a plurality of pores are uniformly distributed in the air-permeable and water-permeable region 1.1 and the overflow region 1.2; the upper surface of the air-permeable and water-permeable area 1.1 is sequentially covered with a selective permeable membrane 2 and a filter layer 3 from bottom to top, and the selective permeable membrane 2 is used for intercepting nutrient ions.
When the plant 5 is cultivated, the substrate 4 is firstly filled on the substrate net bag for plant cultivation, and then the plant 5 is planted on the substrate 4. Because the overflow area 1.2 is higher than the permeable area 1.1, and the upper surface of the permeable area 1.1 is covered with the selective permeable membrane 2 and the filter layer 3 from bottom to top, when the inward plant 5 is irrigated with irrigation liquid containing fertilizer, the filter layer 3 filters the irrigation liquid to prevent the selective permeable membrane 2 and the substrate bib 1 from being blocked by impurities, meanwhile, the excessive moisture which is not absorbed by the plant 5 can pass through the substrate 4, the filter layer 3, the selective permeable membrane 2 and the pores of the permeable area 1.1 to seep out of the substrate tuck, the diameter of the nutrient ions 6 in the irrigation liquid is far larger than that of the moisture molecules, the nutrient ions 6 are blocked by the selective permeable membrane 2 and can not reach the permeable area 1.1 of the substrate bib 1, and the excessive nutrients which are not absorbed by the plant 5 in time are continuously accumulated above the selective permeable membrane 2, for sustained absorption by the plant 5. When the nutrients accumulated above the selectively permeable membrane 2 overflow the selectively permeable membrane 2, the overflowed nutrients will seep out of the matrix net through the pores of the overflow area 1.2 of the matrix fleece 1.
Therefore, the substrate tuck net ensures the air permeability and the water permeability of the plant 5 by adopting the selective permeable membrane 2 and arranging the pores in the air permeable and water permeable area 1.1 of the substrate tuck cloth 1. On the basis, the matrix net bag can prevent the nutrients in the irrigation liquid from reaching the breathable and permeable areas 1.1 of the matrix pocket cloth 1 by covering the breathable and permeable areas 1.1 of the matrix pocket cloth 1 with the selective permeable membranes 2, so that the redundant nutrients which are not absorbed by the plants 5 in time are continuously accumulated above the selective permeable membranes 2 to be continuously absorbed by the plants 5, and further the redundant nutrients which are not absorbed by the plants 5 in time are prevented from running off due to leakage. In addition, the overflow area 1.2 higher than the air permeable and water permeable area 1.1 is arranged on the substrate pocket cloth 1, so that after the nutrient concentration reaches a certain value, namely when the nutrients accumulated above the selective permeable membrane 2 overflow the selective permeable membrane 2, the overflowed nutrients timely seep out of the substrate pocket through the pores of the overflow area 1.2, and the problem of salt damage caused by excessive nutrient accumulation at 5 root systems of plants is avoided. From the above, the substrate net bag for plant cultivation in the embodiment of the invention not only avoids nutrient loss and salt damage in the irrigation and fertilization process and the phenomenon of rotten plant roots due to unsmooth drainage, but also realizes efficient and clean cultivation of the plants 5.
It should be noted that the filter layer 3, the selective permeable membrane 2, and the substrate bib 1 may be compacted by the substrate 4 from top to bottom, and the substrate bib 1 and the selective permeable membrane 2, and the selective permeable membrane 2 and the filter layer 3 may be bonded by an adhesive.
As shown in fig. 2, in order to improve air and water permeability, the pore density of the air and water permeable region 1.1 is greater than that of the overflow region 1.2. Wherein the diameter of the fine pores is preferably 2mm to 3mm, the thickness of the filter layer 3 is preferably 0.1cm to 0.5cm, and the pore diameter of the selective permeation membrane 2 is smaller than
Excess water not absorbed by the plant 5 will pass through the pores of the filtration layer 3, the selectively permeable membrane 2 and the air and water permeable region 1.1 in order to seep out of the matrix net, while the nutrient ions 6 will be intercepted by the selectively permeable membrane 2.
Further, the material of the base wadding 1 is preferably nylon, and the material of the filter layer 3 is preferably non-woven fabric or filter cotton. Compared with the plastic cultivation groove adopted in the prior art, the substrate pocket cloth 1 is not easy to age, long in service life and low in cost.
In addition, for the convenience of installation, the sum of the widths of the air-permeable and water-permeable regions 1.1 and the two overflow regions 1.2 is smaller than the total width of the substrate bib 1. For example, the sum of the widths of the air-permeable and water-permeable regions 1.1 and the two overflow regions 1.2 is not greater than 3/4 of the total width of the substrate pouch 1. The sum of the widths of the two overflow areas 1.2 is 10cm to 15cm, i.e. the widths of the selective permeation membrane 2 and the filtration layer 3 are 10cm to 15cm smaller than the width of the area of the substrate pocket 1 provided with the fine holes. For example, the overall width of the substrate bib 1 is 50cm to 120cm, the width of the overflow area 1.2 is 5cm to 10cm, and the width of the permeable area 1.1 is 20cm to 60 cm.
Specifically, as shown in fig. 1, the substrate string bag can be mounted on a cultivation shelf, the cultivation shelf comprises two horizontal rods and support frames 7 corresponding to the horizontal rods one by one, the top ends of the support frames 7 are connected with the side walls of the corresponding horizontal rods, and the bottom ends of the support frames 7 extend downwards; two sides of the substrate bib 1 are fixed on corresponding horizontal rods through membrane cards. Wherein, the longitudinal section of the substrate pocket cloth 1 is U-shaped or V-shaped, and the supporting frame 7 and the horizontal rod can be made of galvanized steel pipes or stainless steel pipes. When the base material pocketing cloth is installed, one side of the base material pocketing cloth 1, namely the part without the fine holes, is wound on the corresponding horizontal rod; then fixing the film card; and finally, repeating the steps, and fixing the other side of the substrate paphiopedilum 1 on another horizontal rod through a membrane card. The advantages of such an arrangement are: on one hand, the mounting and dismounting are convenient; on the other hand, the total volume of the substrate inlet 1 can be adjusted by changing the length of the substrate inlet 1 wound around the horizontal bar.
In order to adapt to the installation spaces with different heights, the support frame 7 comprises a plurality of telescopic rods, the telescopic rods are arranged at intervals along the length direction of the horizontal rod, the top end of each telescopic rod is fixed on the side wall of the horizontal rod, and the bottom end of each telescopic rod is used for being supported on the ground 8. Wherein, the telescopic link includes fixed pipe and carriage release lever, and fixed intraductal wall forms the internal thread, and the lower part of carriage release lever lateral wall is formed with fixed pipe screw-thread fit's external screw thread, and the top of carriage release lever is fixed on the horizon bar. During installation, the height of the telescopic rod can be adjusted by screwing the movable rod into or screwing the movable rod out of the fixed tube.
The use method of the substrate net bag for plant cultivation in the embodiment of the invention is described below by taking strawberry seedling cultivation as an example:
firstly, a substrate pocket 1 having a total width of 75cm is selected, the substrate pocket 1 has an air-permeable and water-permeable area 1.1 having a width of 35cm and two overflow areas 1.2 having a width of 7.5cm, that is, the sum of the widths of the air-permeable and water-permeable area 1.1 and the two overflow areas 1.2 is 50cm, and the widths of the areas on both sides of the substrate pocket 1 where no fine holes are provided are 12.5 cm. According to the width of the air-permeable and water-permeable area 1.1, a filter layer 3 and a selective permeable membrane 2 with the width of 35cm are selected.
Next, the selectively permeable membrane 2 is attached to the air-permeable and water-permeable region 1.1 of the base undergarment 1 with an adhesive, and then the filter layer 3 is attached to the selectively permeable membrane 2 with an adhesive.
Next, both sides of the matrix bib 1 are fixed to the corresponding horizontal bars, respectively, using a membrane card.
Finally, filling the substrate 4 on the substrate net bag for plant cultivation, and planting strawberry seedlings on the substrate 4; wherein, 40L of the substrate 4 can be filled in each meter of the substrate paphiopedilum 1, and 10 strawberry seedlings can be planted in each meter of the substrate 4.
Researches show that the strawberry seedlings and root systems thereof grow vigorously in the whole breeding season by regularly irrigating the irrigation liquid containing the fertilizer in the growth process of the strawberry seedlings. In the flowering and fruiting period, the strawberry seedlings are irrigated by using an irrigation solution with an EC value, namely the soil conductivity of 1.6 ms/cm. It was found that the EC value of the substrate 4 directly above the filtration layer 3 was 2.0ms/cm, whereas the EC value of the irrigation liquid exuded from the air-permeable and water-permeable region 1.1 of the substrate inlet 1 was only 0.8ms/cm, and the EC value of the irrigation liquid exuded from the overflow region 1.2 of the substrate inlet 1 was 1.2 ms/cm. Therefore, in the irrigation process, most nutrient ions 6 which are not absorbed by the plants 5 in time are accumulated in the matrix 4 under the interception of the selective permeable membrane 2, and the loss of redundant nutrients which are not absorbed by the plants 5 in time is avoided. In addition, the excessive nutrients overflowed through the selective permeation membrane 2 are discharged in time through the overflow area 1.2 of the substrate pocket cloth 1, so that the problem of salt damage caused by excessive nutrient accumulation at the root system of the plant 5 is avoided.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the invention, but not to limit it; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A substrate tuck net for plant cultivation is characterized by comprising a substrate tuck cloth, a selective permeable membrane and a filter layer, wherein the substrate tuck cloth comprises an air and water permeable area and two overflow areas, the air and water permeable area is positioned in the middle of the substrate tuck cloth, the two overflow areas are respectively positioned on two sides of the air and water permeable area, the height of each overflow area is higher than that of each air and water permeable area, and a plurality of pores are uniformly distributed in the air and water permeable area and the overflow areas; the upper surface in ventilative permeable to water district has covered in proper order from bottom to top selectively permeate the membrane with the filter layer, selectively permeate the membrane and be used for intercepting nutrient ion.
2. The substrate string bag for plant cultivation according to claim 1, wherein the air-permeable and water-permeable region has a pore density greater than that of the overflow region.
3. The substrate net according to claim 1, wherein the sum of the widths of the permeable-to-air region and the two overflow regions is less than the total width of the substrate net.
4. The substrate tuck net for plant cultivation according to claim 3, wherein a sum of widths of the air-permeable and water-permeable regions and the two overflow regions is not more than 3/4 of a total width of the substrate tuck.
5. The substrate string bag for plant cultivation according to claim 1, wherein the sum of the widths of the two overflow areas is 10cm to 15 cm.
6. The substrate net according to claim 1, wherein the total width of the substrate net is 50cm to 120cm, the overflow area is 5cm to 10cm, and the air-permeable and water-permeable area is 20cm to 60 cm.
7. The substrate string bag for plant cultivation according to claim 1, wherein the substrate string bag and the selective permeation membrane, and the selective permeation membrane and the filtration layer are bonded by an adhesive.
8. The substrate net bag for plant cultivation as claimed in claim 1, wherein the substrate net bag is made of nylon, and the filter layer is made of non-woven fabric or filter cotton.
9. The substrate net according to claim 1, wherein the longitudinal sectional shape of the substrate net is U-shaped or V-shaped.
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| CN202010244548.6A CN111357633A (en) | 2020-03-31 | 2020-03-31 | A matrix string bag for plant cultivation |
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| CN202010244548.6A CN111357633A (en) | 2020-03-31 | 2020-03-31 | A matrix string bag for plant cultivation |
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| JP2016059342A (en) * | 2014-09-19 | 2016-04-25 | 株式会社三谷船具店 | Crawl |
| CN212232541U (en) * | 2020-03-31 | 2020-12-29 | 农业农村部规划设计研究院 | A matrix string bag for plant cultivation |
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2020
- 2020-03-31 CN CN202010244548.6A patent/CN111357633A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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