JP2000060223A - Seeding sheet for planting and its production - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seeding sheet for planting readily applicable to a plant board having low water and fertilizer retainabilities, capable of germinating seeds of plant in a high germination ratio and raising the plants. SOLUTION: A seed-fixed sheet 7 sandwiching seeds 3 held by a dotted tacky agent 2 between a water-soluble paper 1 and a covering sheet 6 composed of a rayon nonwoven fabric 5 and a water-soluble tacky agent 4 is piled on one side of a nonwoven fabric substrate 10 and a fertilizer-fixed sheet 9 obtained by sandwiching a granular fertilizer 8 held by the dotted tacky agent 2 between the water-soluble paper 1 and the coating sheet 6 composed of the rayon nonwoven fabric 5 and the water-soluble tacky agent 4 to the other side of the nonwoven fabric substrate. The sheets and the substrate are integrated by nylon yarn 11 to constitute a seeding sheet 12 for planting.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a planting seeding sheet suitable for sowing on a planting base such as a concrete structure having no water retention or fertilizing property, and a method for producing the same.

[0002]

2. Description of the Related Art It is difficult to germinate and grow a plant directly on a planting base that does not have water retention such as a normal concrete surface. A method of forming a fill on the protection block and sowing the fill or laying a vegetation net carrying seeds on the fill is used. Since all of these methods are mainly field work, there are problems that workability is poor and that the embankment is washed away by rain.

As a measure for solving the above problems, Japanese Patent Laid-Open No. 63-532 discloses mixing seeds of plants and water-retaining materials such as superabsorbent resin or pulp fiber into dusted concrete. A greening structure is disclosed, and Japanese Patent Laid-Open No. 3-36324 discloses a method of protecting a slope in which a water-permeable concrete layer is filled with plant seeds, soil particles, a water-absorbent resin, granular fertilizer and a granular organic material. Is disclosed.

[0004]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
In the greening structure disclosed in Japanese Patent Laid-Open No. 2 (1994), in which seeds of plants and water-retaining materials such as superabsorbent resin or pulp fibers are mixed in the dusted concrete, the seeds are covered with the cement paste and thus germinated. There is a problem that the rate is low and the growth after germination is not good.

[0005] In addition, protection of the slope, which is disclosed in the above-mentioned JP-A-3-36324, in which the water-permeable concrete layer is filled with plant seeds, soil particles, water-absorbent resin, granular fertilizer and granular organic material. In the method, it takes time to fill the permeable concrete layer with small voids such as plant seeds, it is difficult to obtain a uniform quality, and when using a permeable concrete layer with large voids However, there is a problem that seeds are easily washed away by water and do not germinate uniformly.

An object of the present invention is to solve the above-mentioned problems in the prior art, to provide a planting seeding sheet and a method for producing the seeding sheet, which is easy to construct and can germinate and grow plant seeds at a high germination rate. To provide.

[0007]

In order to solve the above problems, the present invention has a structure as described in the claims. That is, the present invention provides a sheet-shaped non-woven fabric substrate, a seed fixing sheet provided on one surface of the non-woven fabric substrate, and a fertilizer provided on the other surface of the non-woven fabric substrate, as described in claim 1. A seeding sheet for planting having a fixing sheet, wherein the seed fixing sheet comprises a water-soluble or water-dispersible first sheet-shaped support and a mesh formed of naturally degradable fibers. No. 1 non-woven fabric and seeds sandwiched between the first sheet-shaped support and the first non-woven fabric, and the fertilizer-fixing sheet is a water-soluble or water-dispersible second sheet-shaped product. A plant comprising a support, a second non-woven fabric made of naturally degradable fibers, and a granular fertilizer sandwiched between the second sheet-like support and the second non-woven fabric. Configure a sowing sheet for planting. here,
“Mesh” means “mesh”. In the planting seeding sheet of this configuration, the non-woven fabric substrate serves as a water retaining material and a medium for seed germination and growth. Further, the second non-woven fabric may be processed into a mesh like the first non-woven fabric.

Further, according to the present invention, as described in claim 2, the seed is held by an adhesive provided on the first sheet-like support, and the granular fertilizer is held by the second fertilizer. Held by an adhesive provided on the sheet-shaped support, and the first sheet-shaped support and the first non-woven fabric are bonded to each other at a site other than the site where the seed is held, 2. The sheet-shaped support according to claim 2 and the second non-woven fabric are attached to each other at a site other than the site where the granular fertilizer is held.
The seeding sheet for planting described is constructed. In the planting seeding sheet of this configuration, the seeds and granular fertilizer,
A predetermined amount is held by a pressure-sensitive adhesive at a predetermined position, and moreover, the first sheet-shaped support and the first non-woven fabric are bonded together and the second sheet-shaped support and the second non-woven fabric are bonded together. It is fixed on the first and second sheet-like supports by the pressure of the combination, respectively.

Further, according to the present invention, as described in claim 3, the first or second sheet-like support is water-soluble paper, and the first or second non-woven fabric is rayon non-woven fabric. The seeding sheet for planting according to claim 1 is constructed. In the seeding sheet for planting of this configuration,
The first and second water-soluble papers are easily dissolved in water, and water absorption of seeds, germination and water absorption of granular fertilizers are not impeded at all. Further, the first and second rayon nonwoven fabrics prevent the seeds and the granular fertilizer from flowing due to water or the like, respectively.

Further, according to the present invention, as described in claim 4, the pressure-sensitive adhesive is arranged on the first or second sheet-like support in regular dots or stripes. The seeding sheet for planting according to claim 2 is constituted. Here, "regular dot-like" means "on a two-dimensional grid point", and "regular stripe-like" means "on an equidistant parallel line on a plane". In the seeding sheet for planting of this configuration, since the seeds and granular fertilizer are regularly arranged, not only the positional distribution of the plant individual that germinates and grows is uniform, but also the planting for the plant individual is performed. The cultivation environment of the sowing sheet for use becomes uniform.

Further, according to the present invention, as described in claim 5, the seed is a seed of a monocotyledonous plant, and the seed fixing sheet is so arranged that the first sheet-shaped support is in contact with the non-woven fabric substrate. Is provided on the surface of the non-woven fabric substrate, thereby forming the planting seeding sheet according to claim 1. In the planting seeding sheet of this configuration, since the germinated cotyledon is a monocotyledon, it easily passes through the mesh of the first non-woven fabric as it is and is easily elongated, and growth is not hindered.

Further, according to the present invention, as described in claim 6, the seed is a seed of a plant other than a monocotyledonous plant, and the seed-fixing sheet is such that the first non-woven fabric is in contact with the non-woven fabric substrate. Is provided on the surface of the non-woven fabric substrate, thereby forming the planting seeding sheet according to claim 1. In the planting seeding sheet of this configuration, the first sheet-shaped support on the upper side of the seed is easily dissolved or dispersed in water, so that the germinated bileaflets grow without being inhibited. In this case, the first non-woven fabric suppresses the movement of seeds.

The present invention also provides a planting seeding sheet according to claim 1, wherein the granular fertilizer is a slow-release fertilizer as described in claim 7. In the planting seeding sheet of this configuration, the fertilizer component gradually dissolves from the granular slow-release fertilizer into the lower medium, and an appropriate amount of fertilizer can be supplied to the plant for a long period of time.

Further, according to the present invention, as described in claim 8, the first non-woven fabric is provided on the surface of each of the seed-fixing sheet and the fertilizer-fixing sheet opposite to the surface in contact with the non-woven fabric substrate. The seeding sheet for planting according to claim 1, wherein a coarser mesh-shaped third nonwoven fabric is provided. In the planting seeding sheet of this configuration, the third non-woven fabric prevents the seed and the granular fertilizer from coming off from the seed fixing sheet and the fertilizer fixing sheet, respectively, by an external force. Further, the third non-woven fabric makes the seed fixing sheet, the fertilizer fixing sheet, and the needling (sewn with a needle and a thread) of the non-woven fabric substrate stronger. Moreover, since the mesh of the mesh of the third non-woven fabric is coarser than that of the first non-woven fabric, this mesh does not hinder germination and growth of plants.

Further, according to the present invention, as described in claim 9, a sheet-shaped nonwoven fabric substrate, a seed fixing sheet provided on one surface of the nonwoven fabric substrate, and a seed fixing sheet provided on the other surface of the nonwoven fabric substrate. A method for producing a planting seeding sheet having a fertilizer fixing sheet, comprising: a water-soluble or water-dispersible first sheet-shaped support; and a mesh-shaped processed sheet made of naturally degradable fibers. A seed-fixing sheet is formed by sandwiching plant seeds between the first non-woven fabric, a water-soluble or water-dispersible second sheet-like support, and a second non-woven fabric made of naturally degradable fibers. The fertilizer fixing sheet is formed by sandwiching granular fertilizer between the two, and the seed fixing sheet is laminated on one surface of the non-woven fabric substrate, and the fertilizer fixing sheet is laminated on the other face of the non-woven fabric substrate to form three layers. And a three-layer structure by needling. Be integrated with the planting seed sheets Te constituting the planting method for producing seeding sheet characterized by. Here, "needling" means "suture with a needle and a thread". In the method for producing a planting seeding sheet of this configuration, the seed fixing sheet, the fertilizer fixing sheet and the non-woven fabric substrate do not come off during work such as carrying the planting seeding sheet and sowing, and after sowing. , The seed fixing sheet is sewn so as not to be washed by the water flow. As the needling yarn, for example, a commercially available yarn having good weather resistance is used. As described in claim 7, when the third non-woven fabric is provided on the outermost side of the planting seeding sheet, the suturing becomes stronger.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, seeds and fertilizers are adhered by applying an adhesive having an adhesiveness capable of capturing them at a predetermined position on a water-soluble or water-dispersible sheet-like support. After that, by sprinkling seeds and granular fertilizer, it can be carried out at a predetermined place on the sheet-shaped support at a predetermined interval.

As the above-mentioned granular fertilizer, it is possible to select and use, from various commercially available slow-release fertilizers, one having a predetermined size and easily adhering to the adhesive.

As a method of fixing the seeds and the granular fertilizer attached to the water-soluble or water-dispersible sheet-like support with a non-woven fabric made of the above-mentioned naturally decomposable fibers and processed into a mesh, rayon is used. Water-soluble pressure sensitive adhesive is applied thinly on the whole mesh or non-woven fabric,
There is a method of attaching it to a sheet-shaped support.

As the third non-woven fabric processed into a mesh shape, which is provided as necessary on the outside of the seed fixing sheet and the granular fertilizer fixing sheet, germinated plant buds and roots can easily pass through. A nonwoven fabric having openings, for example, a commercially available light-shielding sheet for gardening can be arbitrarily selected and used.

As a method for integrally forming the seed-fixing sheet, the sheet-shaped nonwoven fabric and the granular fertilizer-fixing sheet by needling, a method of stitching with a commercially available thread having good weather resistance such as nylon is suitable. There is. The needle pitch can be set according to the pitch of the seed and the granular fertilizer so that the needle does not damage the seed and the granular fertilizer fixed on the sheet.

Embodiments of the present invention will be described below in more detail with reference to the drawings.

FIG. 1 is a schematic view showing a sectional structure of a planting seeding sheet.

As shown in FIG. 1, one side of water-soluble paper 1 (made by Mishima Paper Co., Ltd.) having a length of 30 cm and a width of 30 cm is coated with adhesive 2 in a dot shape having a diameter of 1 mm at intervals of 5 mm in length and 16 mm in width. After working and drying, the seeds 3 of the lawn grass are placed on the dot-shaped adhesive 2.
(The variety is bluegrass), the average number of seeds loaded is about 1.3
The particles / dots were adhered. Next, apply water-soluble adhesive 4 to a thickness of 10 μm on the entire one side of a release paper of the same size with a length of 30 cm and a width of 30 cm, and after drying, transfer to rayon nonwoven fabric 5 of the same size to cover. Sheet 6 was prepared. This cover sheet 6 is applied to the water-soluble paper 1 to which the above seeds are attached.
Then, the seed-fixing sheet 7 was produced by sticking it on the above.

Furthermore, a vertical length of the same size as the seed fixing sheet
Adhesive 2 in a dot shape with a diameter of 2 mm and a length of 15 mm on one side of a water-soluble paper 1 (made by Mishima Paper Co., Ltd.) of 30 cm and 30 cm in width,
The dot-shaped adhesive 2 is applied after coating at an interval of 16 mm across and drying.
Granular slow-release fertilizer 8 (manufactured by Hokuetsu Agricultural Co., Ltd.) was adhered to the top so that the number of loaded particles was 1 particle / dot. Then, the rayon nonwoven fabric 5 to which the water-soluble pressure-sensitive adhesive was transferred was stuck on the granular fertilizer 8 in the same manner as in the case of the seed fixing sheet, to prepare the fertilizer fixing sheet 9.

Subsequently, the seed fixing sheet 7 and the fertilizer fixing sheet 9 are provided on both sides of a nonwoven fabric substrate 10 having a length of 30 cm, a width of 30 cm, and a thickness of 10 mm, and the water-soluble paper 1 side is the nonwoven fabric substrate 10 respectively.
, The seed fixing sheet 7, the fertilizer fixing sheet 9 and the non-woven fabric 10 are integrated, and the seeding sheet 12 for planting is attached. It was made.

Incidentally, in FIG. 1, the seed fixing sheet 7
The fertilizer fixing sheet 9 and the water-soluble paper 1 are in contact with the non-woven fabric substrate 10. On the contrary, the seed fixing sheet 7 or the fertilizer fixing sheet 9 is the rayon nonwoven fabric 5
May contact the non-woven fabric substrate 10.

The planting seeding sheet 12 thus prepared was placed on a sandy soil containing no fertilizer, and water was sufficiently sprinkled from above to test germination and growth of the lawn seeds 3. The seeds 3 did not flow with respect to the water flow at the time of watering, germination started from the 4th day after sowing, the buds easily passed through the open part of the rayon nonwoven fabric 5 and extended, and 7 days after sowing. , Seeds 3 germinated over the entire sheet 12.

On the other hand, the rooted roots began to grow into the medium on the fifth day after sowing, from the lower part of the nonwoven fabric substrate 10 through the fertilizer fixing sheet 9. After about 3 months, the lawn grass continued to grow smoothly without fertilization.

[0029]

Industrial Applicability As described above, by carrying out the present invention, it is possible to germinate and grow plant seeds at a high germination rate with easy construction, even on a plant substrate having low water-retaining ability and fertilizing ability. It is possible to provide a seeding sheet for planting that can be done.

[Brief description of drawings]

FIG. 1 is a schematic view showing a cross-sectional structure of a planting seeding sheet exemplified in an embodiment of the present invention.

[Explanation of symbols]

1 ... Water-soluble paper, 2 ... Dot-shaped adhesive, 3 ... Seed, 4 ... Water-soluble adhesive, 5 ... Rayon non-woven fabric, 6 ... Covering sheet, 7 ...
Seed fixing sheet, 8 ... Granular slow-release fertilizer, 9 ... Fertilizer fixing sheet, 10 ... Nonwoven substrate, 11 ... Nylon thread, 12 ...
Seeding sheet for planting.

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Tomohiro Shoji             3819 Noborito, Tama-ku, Kawasaki City, Kanagawa Stock             Company Sliontech (72) Inventor Kazuo             3819 Noborito, Tama-ku, Kawasaki City, Kanagawa Stock             Company Sliontech F term (reference) 2B051 AB01 BA02 CB02 CB22 CB24                       CB26 CB28 CB30 CB33

Claims (9)

[Claims] 1. A sheet-shaped non-woven fabric substrate, a seed-fixing sheet provided on one surface of the non-woven fabric substrate, and a fertilizer-fixing sheet provided on the surface of the non-woven fabric substrate opposite to the seed-fixing sheet. A seeding sheet for planting, wherein the seed-fixing sheet comprises a water-soluble or water-dispersible first sheet-shaped support and a first non-woven fabric made of a naturally degradable fiber and processed into a mesh shape. And a seed sandwiched between the first sheet-like support and the first nonwoven fabric, and the fertilizer-fixing sheet is a water-soluble or water-dispersible second sheet-like support. A second non-woven fabric made of naturally degradable fibers,
A seeding sheet for planting, comprising a granular fertilizer sandwiched between the second sheet-shaped support and the second non-woven fabric. 2. The seed is held by an adhesive provided on the first sheet-like support, and the granular fertilizer is provided by an adhesive provided on the second sheet-like support. The first sheet-like support and the first sheet-like support
Non-woven fabric of the second sheet-like support and the second non-woven fabric are pasted together at a site other than the site where the seed is held, and the second sheet-like support and the second non-woven fabric are pasted at a site other than the site where the granular fertilizer is held. The seeding sheet for planting according to claim 1, which is combined. 3. The planting seeding sheet according to claim 1, wherein the first or second sheet-shaped support is water-soluble paper, and the first or second non-woven fabric is rayon non-woven fabric. . 4. The planting plant according to claim 2, wherein the pressure-sensitive adhesive is arranged on the first or second sheet-like support in regular dots or stripes. Seeding sheet. 5. The seed-fixing sheet is provided on the surface of the non-woven fabric substrate so that the seed is a seed of a monocotyledonous plant, and the first sheet-like support is in contact with the non-woven fabric substrate. The seeding sheet for planting according to claim 1. 6. The seed-fixing sheet is provided on the surface of the non-woven fabric substrate such that the seed is a seed of a plant other than a monocotyledonous plant, and the first non-woven fabric is in contact with the non-woven fabric substrate. The seeding sheet for planting according to claim 1. 7. The seeding sheet for planting according to claim 1, wherein the granular fertilizer is a slow-release fertilizer. 8. A mesh-like third coarser than the first non-woven fabric on the surface of each of the seed-fixing sheet and the fertilizer-fixing sheet opposite to the surface in contact with the non-woven fabric substrate.
2. The planting seeding sheet according to claim 1, wherein the non-woven fabric is provided. 9. A planting seeding sheet having a sheet-shaped non-woven fabric substrate, a seed-fixing sheet provided on one surface of the non-woven fabric substrate, and a fertilizer-fixing sheet provided on the other surface of the non-woven fabric substrate. A method for producing the same, wherein a seed of a plant is sandwiched between a water-soluble or water-dispersible first sheet-shaped support and a mesh-shaped first non-woven fabric made of naturally degradable fibers. The seed fixing sheet is formed, and a granular fertilizer is sandwiched between a water-soluble or water-dispersible second sheet-shaped support and a second non-woven fabric made of naturally decomposable fibers to form the fertilizer fixing sheet. The seed fixing sheet is formed on one surface of the non-woven fabric substrate and the fertilizer fixing sheet is laminated on the other surface of the non-woven fabric substrate to form a three-layer structure, and the three-layer structure is integrated by needling. To make it into a seeding sheet for planting Planting seeding sheet manufacturing method of a butterfly.