JPH0549310A - Method for sowing seed and rearing seedling using seeding sheet - Google Patents

Abstract

PURPOSE:To sew seeds and rear seedlings of grains, vegetables, flowers, etc., without damaging the seedlings or roots by superposing a water-insoluble film having holes at parts corresponding to sites carrying seeds on the lower part of a water-soluble sheetlike support carrying the seeds, growing radicles and then removing the support. CONSTITUTION:A seeding sheetlike support 3 carrying seeds on a water-soluble or a water-dispersible sheetlike support 3 prepared from fibrous carboxymethyl cellulose and wood pulp, etc., as raw materials with a tacky agent is placed on an artificial culture medium composed of nursery mats 4, etc., to carry out germination of seeds and rearing of seedlings. In the process, a water-insoluble sheetlike film 1 such as a polyester having openings 2 at parts corresponding to the sites carrying the seeds of the support 3 is superposed and placed under the sheetlike support 3 carrying the seeds to grow roots. The sheetlike support 3 corresponding to parts other than the sites corresponding to the holes 2, together with the water-insoluble sheetlike film 1, is removed to sow seeds and rear seedlings without damaging the seedlings or seeds at the time of dividing at the time of planting in water culture of grains, vegetables, flowers, etc.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for cultivating vegetables, flowers and the like using a sheet for seeding and raising seedlings, and more particularly to a method for seeding and raising seedlings that does not damage seedlings or roots when dividing plants during planting.

[0002]

2. Description of the Related Art Sowing and raising seeds such as grains, vegetables and flowers have conventionally been carried out by direct sowing method in which seeds are directly sown in a field, germinated and grown.
This method has been practiced by seeding seedlings on a small-area seedling mat or a nursery bed, germinating and raising seedlings, and then planting the seedlings. However, with these methods, laborious thinning work is indispensable, so improvement of workability is strongly demanded, and further, as high-priced seeds appear in the market in recent years, it is required to reduce the seeding amount. It was A seeding sheet was developed to meet this requirement (Japanese Patent Laid-Open No. 1-10591).
No. 8 bulletin). By using this seeding sheet,
A desired number of seeds can be placed on a seedling-raising mat or a nursery bed at desired intervals with high positional accuracy and efficiently, and workability can be improved and seeding amount can be reduced.

[0003]

However, the water-soluble or water-dispersible sheet (hereinafter referred to as water-soluble paper) used as a support for the seeding sheet becomes a gel when sprinkled on a seedling-growing mat. , When dried, it solidifies and adheres firmly to the seedling mat, so when planting, the roots of the plant growing in the seedling mat are damaged when trying to separate the seedling mat along the perforations that have been set in advance. Such problems may occur, and improvement thereof has been strongly desired.

An object of the present invention is to solve the problems of the above-mentioned prior art and to provide a seedling raising method capable of performing work without damaging seedlings or roots when dividing plants during planting. It is in.

[0005]

[Means for Solving the Problems] The above object is to germinate seeds and raise seedlings by placing a seeding sheet in which seeds are mounted on a water-soluble or water-dispersible sheet-like support with an adhesive on an artificial medium. In the seeding and raising method, in the lower part of the sheet-shaped support on which seeds are mounted, a water-insoluble sheet-shaped film having holes provided at a site corresponding to the seed-loaded site of the support is placed in a layered manner to grow roots. And the water-insoluble sheet-like film are removed, and then the sheet-like support corresponding to the site other than the above-mentioned holes is removed.

[0006]

[Function] As a support for the seeding sheet, a sheet-shaped product of fibrous cellulose (made of β-D-1,4-glucan) using a water-soluble polysaccharide or the like as a binder is used. When the seeding and raising seedling sheet using the support is immersed in water, the polysaccharide binder is dissolved in water and the fibers are in a dispersed state, so that the plant seed is in a convenient state for rooting. However, when the water evaporates and dries, the residual fibers are entangled with each other again to form a strong solidified body, which may cause damage to the seedlings during planting and planting. In order to prevent this, it is sufficient to prevent the water-dispersed fibers from remaining across the perforations of the nursery mat and coagulating there. A jig for achieving this purpose is the above-mentioned water-insoluble sheet-like film, and the usage method thereof will be specifically described below.

The water-insoluble sheet-like film is made of a water-insoluble polymer film, and has the same number of holes as the number of blocks used for separating the seedling-growing mat during planting of seedlings. The thickness of the polymer film is determined in consideration of the difficulty of handling operation and the permeability of water into water-soluble paper. Although it depends on the type of film, a film having a thickness of about 20 to 200 μm can be used, and a film having a thickness of 50 to 150 μm is particularly suitable for handling. At the time of sowing, first, the water-insoluble sheet-like film is placed on the seedling raising mat, and the seeding sheet is placed thereon.
When the non-water-soluble sheet-like film is lifted from the seedling-growing mat after the seeding sheet absorbs water and gels, the water-soluble paper corresponding to the part with seeds remains on the seedling-growing mat,
The water-soluble paper in the perforations corresponding to the area around the holes of the water-insoluble sheet-like film can be removed together with the water-insoluble sheet-like film, and a dispersion of water-soluble paper in the same shape as the holes with seeds on the seedling mat. Will remain.

Further, as a water-insoluble sheet film,
The use of, for example, a black sheet that does not transmit visible light can prevent the generation of algae during seedling raising. Generation of algae is unavoidable when the plant is hydroponically grown using a nursery mat, but by using a visible light impermeable film as the water-insoluble sheet-like film, the generation of algae is minimized. It is possible to control and to give light only to the places necessary for plant growth.

[0009]

[Examples] Hereinafter, the seeding and raising method of the present invention will be specifically described with reference to Examples.

FIG. 1 is a partial cross-sectional view showing the structure of a nursery bed during the raising of plants using the seeding sheet used in the seeding and raising method of the present invention. A water-insoluble sheet-like film 1 and the film 1 are shown.
It is shown that it comprises an opening 2 provided in, a seed sheet support 3 placed on the film 1, a perforation 5, and a nursery mat 4 on which the film 1 is placed, a seedling 6 and the like. In this example, the water-insoluble sheet-shaped film 1 was
A black polyester film having a thickness of 0.1 mm, a width of 280 mm, and a length of 580 mm provided with 300 openings 2 of φ20 mm at intervals of 23 mm in length and width was used. FIG. 2 shows the plan view. The seed sheet support 3 is made of fibrous carboxymethyl cellulose and wood pulp as a raw material, and has a thickness of 0.75 mm and a width.
A water-soluble non-woven fabric with a length of 280 mm and a length of 580 mm was used, an acrylic adhesive was applied in a dot shape, and seeds were mounted on this. As the seedling-growing mat 4, there was used a urethane foam-made seedling-growing mat having a size of about 280 mm × 580 mm and capable of being cut off at a pitch of 23 mm in length and width.

The procedure of the seeding and raising method of the present invention will be described below by taking the case of raising salad vegetables as an example. First,
The water-insoluble sheet-like film 1 on the seedling mat 4
Was placed so that the center of each opening 2 was at the center of each block surrounded by perforations of the seedling raising mat. Then, a seeding sheet having salad vegetable seeds mounted thereon was placed thereon so that the seeds were placed on the opening 2. Finally, water was sprayed from above to sprout the salad vegetables, and the roots were grown until the roots appeared at the bottom of the nursery mat floor 4. at this point,
The water-soluble support 3 around the perforations 5 was removed together with the water-insoluble sheet film 1. The situation is as shown in FIG. 3, and by removing the water-soluble support 7 around the perforations 5, the roots of the salad vegetable seedlings were not damaged when the seedling-growing mat 4 was cut along the perforations 5.

[0012]

As described above, the seedling raising method of the present invention is used as the seeding raising method, which solves the problems of the prior art and enables the seedlings to be separated during planting at the time of planting. It was possible to provide a seedling raising method capable of performing work without damaging the roots.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view showing the structure of a nursery bed in which a plant is being raised using a seeding sheet used in the seeding and raising method of the present invention.

FIG. 2 is a plan view showing the structure of the water-insoluble sheet film in FIG.

FIG. 3 is a cross-sectional view showing a state in which the water-soluble support is removed together with the water-insoluble sheet-shaped film after germination and root growth are performed in the configuration of FIG.

[Explanation of symbols]

1 ... Water-insoluble sheet-like film, 2 ... Opening part, 3 ... Water-soluble support, 4 ... Raising seedling mat, 5 ... Perforation, 6 ... Seedling,
7 ... Removed water-soluble support.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Eisho Kobayashi 3819 Noborito, Tama-ku, Kawasaki City, Kanagawa Prefecture Slion Teku Co., Ltd. (72) Norimasa Kamezawa 3819 Noborito, Tama-ku, Kawasaki City, Kanagawa Prefecture

Claims (3)

[Claims] 1. A seeding and seeding method in which a seeding sheet comprising a water-soluble or water-dispersible sheet-like support and seeds mounted thereon by an adhesive is placed on an artificial medium to germinate and raise seeds. At the bottom of the above sheet-shaped support,
After the water-insoluble sheet-shaped film having holes provided at the portion corresponding to the seed-mounting portion of the support is placed in a stack and allowed to grow roots, the water-insoluble sheet-shaped film is used together with the holes. A seedling raising method using a seeding sheet, which comprises removing a sheet-like support corresponding to a region other than the above. 2. The water-soluble or water-dispersible sheet-shaped support is water-soluble or water-dispersible paper, the artificial medium is a seedling raising mat, and the seeding and raising method is hydroponics. A seeding and raising method using the seeding sheet according to claim 1, wherein 3. The seedling raising method using a seeding sheet according to claim 1, wherein the water-insoluble sheet-like film is non-transparent to visible light.