JPH08103179A - Method for raising baby seedling - Google Patents

Abstract

PURPOSE: To efficiently raise the baby seedlings in reduced days with a low cost installations wherein an environment for germinating sowed rice seeds is also used as an environment for greening the germinated seedlings, by placing rice seed-sowed seedling-raising boxes under a high temperature environment for germinating the seeds in a piled state to germinate the seeds, and subsequently greening the germinated seedlings under a specific condition. CONSTITUTION: The method for raising the baby seedlings comprises placing seedling-raising boxes 1 having sowed rice seeds therein in a piled state under a high temperature environment kept at 30-32 deg.C to germinate the seeds (the lengths of the germinated seedlings are preferably >=1cm), repiling the seedling- raising boxes 1 in a shelf-like state wherein the boxes have a constant distance therebetween, and again placing the seedling-raising boxes piled in the shelf-like state under the high temperature environment B to green the germinated seedlings.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for raising milk seedlings.

[0002]

2. Description of the Related Art Seedlings, which are often used for planting rice seedlings by rice transplanters, are called seedlings.
It has been grown for 0 to 25 days and has a length of 12 to
The leaf age is about 2.5 at 15 cm. On the other hand, the milk seedlings are grown for about 7 to 10 days after sowing, the height is about 7 cm or less, and the leaf age is 1.
It is about 5.

In the past, when raising the milk seedlings, the conventional method for raising seedlings was used and the number of days for raising the seedlings was reduced.

[0004]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
Compared to the young seedlings that have been used for conventional seedling planting work, the number of days required for breeding is shorter and the amount of seedlings to be prepared during planting work is smaller. Recently, due to the fact that the residual endosperm has a high low temperature survival property,
The technology for planting this seedling is drawing attention. Also, when growing for the purpose of using milk seedlings, 2
It is common to sow double the amount of seeds (seeds) in a nursery box (a monthly magazine issued by Shinnorin Co., Ltd., 199 of mechanized agriculture).
(Published in the special issue of the March 2013 issue).

Further, even in the case of transplanting this milk seedling, it is desirable that the number of growing days is small from the viewpoint of efficiency, and it is required to further reduce the number of growing days.

Therefore, as a comparative example, as shown in FIG. 4 (a), the seeded nursery box 1 is held in a shelf shape by a shelf member 15 or the like and placed in a germination chamber D in a high temperature environment to reduce the number of days until germination. However, after emergence, it is also possible to place the seedlings in a greening room E taken out from the sprouting room D and exposed to sunlight, as shown in FIG.

However, in this comparative example, the number of days from sowing to germination can be shortened because the germination is performed in the germination chamber D under a high temperature environment, but since the germination stage is maintained in a shelf shape, the germination delay during germination. Seed (seed paddy) is lifted and the seedling growth is likely to be uneven, and if there is a temperature drop during greening, the growth may be hindered and there is room for improvement.

An object of the present invention is to obtain a breeding method capable of obtaining high quality seedlings in as few days as possible.

[0009]

A feature of the present invention is that seedling seedlings seeded with paddy rice are placed in a high temperature environment for germination in a stacked state and the seeds are germinated, and then each seedling seedling box is designated. In a shelf-like transposed at an interval of, after this, the shelf-shaped nursery box is placed again under the high temperature environment to vegetatively grow sprouting seedlings to obtain milk seedlings, its action, and, The effects are as follows.

[0010]

[Advantages] According to the above characteristics, since the seedling raising boxes are sprouting in a stacked state, the sprouting is promoted by the high temperature environment, and even if there are seeds that have delayed sprouting, the seedling raising box is pressed down from the other It is possible to obtain matted seedlings in a grown state without being lifted by seed germination, and after germination, the seedling raising boxes that have been transposed into shelving are placed again under the high temperature environment, so that germination is not possible. While utilizing the high temperature environment for greening, the temperature does not drop during greening, and greening can be performed while promoting growth in a high temperature environment.

[0011]

EFFECTS OF THE INVENTION Therefore, a breeding method capable of obtaining a high quality seedling having a mat-like shape in a few days while allowing the planting cost to be reduced by using the germination environment also as the greening environment. Was obtained.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. The seedling growing method of the present invention uses a seeding apparatus A shown in FIG. 1 and a high temperature growing chamber B as an example of a high temperature environment shown in FIG. The seeding device A is configured by sequentially arranging a belt conveyer 2 for sending the seedling raising box 1, a floor soil supply unit 3, a watering unit 4, a seeding unit 5, and a soil covering unit 6, and the high temperature growing chamber B is provided with glass or the like. The transparent partition 7 and the heating unit 8 are provided.

When growing the milk seedlings, the seedling raising box 1 is fed by the belt conveyor 2 so that the bed soil is supplied from the floor soil supplying section 2 to the seedling raising box 1 and the floor soil is irrigated. After performing irrigation from the part 4, the seed seeds that have been deseeded and germinated are sown from the seeding part 5. This nursery box 1 is about 30 ×
It is in the shape of a tray with a size of 60 cm and a predetermined depth, and the irrigation supplies an amount of about 2 liters per box, and the seeding is 180 to 230 per box of the nursery box 1.
Seed evenly over the entire surface. Next, the soil is supplied from the soil-covering portion 6 in an amount of about 1.1 to 1.2 liters to cover the soil, and the processing in the seeding device A is completed.

Next, the seedling raising box 1 that has been seeded is artificially and
Alternatively, about 15 sheets are stacked on the trolley 9 by using a stacking device (not shown), and are sent to the high temperature growth chamber B as shown in FIG. In this budding process, the partition wall 7 is covered with a light-shielding sheet to darken the room, and the tray 10 filled with water is placed on the upper surface of the heating unit 8 to generate steam from the tray 10 to generate high humidity. Maintain and
It is placed for a period of 2 to 3 days so that the sprouting length is 1 cm or more in an environment in which the temperature in the high temperature growth room B is maintained at 30 to 32 degrees.

Next, the seedling raising box 1 which has been subjected to the budding process is artificially and
Alternatively, by using a shelving device (not shown), as shown in FIG.
As shown in Fig. 2, the greening cart 11 is transposed into a state in which it is separated by a predetermined vertical distance, and then, as shown in Fig. 2C, it is again sent to the high temperature growing chamber B to be greened for mat-like seedlings. To get In this greening process, a light-shielding sheet or the like is removed so that the sun rays irradiate the inside of the high temperature growing room B, and water is irrigated once in an environment in which the temperature inside the high temperature growing room B is maintained at 25 to 32 degrees by heating by the heating unit 8. Do this for about 3 to 4 days so that the length is about 7 cm. The procedure of these processes can be schematically represented as shown in FIG.

As described above, according to the present invention, seed paddy is germinated in a high temperature environment in a state where the seedling raising boxes 1 are stacked, and after this germination, the seed rice is transferred to a shelf and the same high temperature environment as the germinated environment. Since it is used for greening, separate equipment for budding and greening is not required, and moreover, budding and greening are promoted to obtain a milk seedling that has grown uniformly in a mat in a shorter period than before. It has become a thing.

[Other Embodiments] In addition to the above embodiments, the present invention is
For example, the length of the seedlings can be arbitrarily set according to the state of the paddy field and the rice transplanter used.

In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of drawings]

FIG. 1 is a side view of a seeding device.

[Fig. 2] (a) is a cross-sectional view of a high-temperature environment that represents germination treatment. (B) is a side view of a state in which a nursery box is loaded with a greening trolley (c) is a cross-sectional view of a high-temperature environment that represents greening treatment.

FIG. 3 is a schematic diagram showing a procedure for raising a milk seedling.

FIG. 4 (a) shows a germination treatment of a seedling of a comparative example. (B) a diagram showing a greening treatment of a seedling of a comparative example.

[Explanation of symbols]

 1 Nursery box B High temperature environment

Claims (1)

[Claims] 1. A seedling raising box (1) seeded with paddy rice is placed in a high temperature environment (B) for germination in a stacked state to germinate the seeds, and then each seedling raising box (1) is placed in a predetermined manner. Transfer to a shelf form at intervals, and then place the shelf-like seedling raising box (1) again under the high temperature environment (B) to green the sprouting seedlings to obtain a milk seedling. Method.