JP2565409B2 - Seed coating material, coated seed and seed block for direct sowing - Google Patents

Description

TECHNICAL FIELD The present invention relates to a seed coating material, a coated seed, and a direct sowing seed block.

[Conventional technology]

Conventionally, this kind of thing is as follows.

1) Seeds used for direct seeding in the past are sown by coating with Calper as an oxygen supply material to promote germination, but the soil around the seeds of the paddy fields to be sown reduces the amount of oxygen taken in from the periphery of the seeds. However, oxygen alone from the coated calper causes oxygen deficiency, resulting in poor germination.

2) When surface sowing is used to supplement the lack of oxygen, the roots of rice grow shallow on the surface, making it easier to lodge.

3) Sowing on the surface or near the surface causes bird damage,
In addition, water migration also occurs, so uniform growth cannot be expected, and herbicides are also susceptible to damage.

4) Since the current Calper material coated around the seeds is white, it reflects a lot of sunlight and takes in little heat to germinate paddy.

Especially in low temperature regions, it takes a long time to secure the integrated temperature required for germination, so that many seeds fail to germinate and the seedling setting deteriorates extremely.

5) In recent years, as a method of supplementing oxygen deficiency, many eclectic direct seeding methods have been adopted, in which seeding is performed in a scratchless state and water is poured for about two weeks later, but since no scraping work is performed,
The soil is not evenly balanced.

Therefore, there is a difference in the intake of solar heat due to the difference in water depth after water injection, causing a large difference in germination and growth, which is a factor of a large decrease in yield.

[Problems to be Solved by the Invention]

As described above, the conventional technique has the following problems.

1) Securing the number of seedlings under low temperature conditions is extremely unstable.

2) Due to the effect of insufficient germination, growth delay is likely to occur and initial growth is insufficient, resulting in unstable productivity.

3) Since it is close to surface sowing, it is easy to fall over and it is difficult to manage fertilization.

The present application has been made in view of such problems of the conventional technology, and an object of the present application is to provide a device capable of solving the above problems.

[Means for solving the problem]

In order to achieve the above object, the present invention is as follows.

The present invention is a seed coating material containing ferrosoferric oxide as an active ingredient, and a coating seed whose surface is coated with this coating material to absorb solar heat after sowing. To increase the integrated temperature and to supply oxygen to the seeds.

Further, this coating material is made to contain, together with triiron tetraoxide, a porous mineral, activated carbon, triiron tetraoxide, an oxygen supply material and calcium sulfate, and further the heat absorption and the oxygen supply are increased.

Furthermore, the seeds coated with the above coating material are mixed with a mixing material containing porous minerals, activated carbon, ferrosoferric oxide, an oxygen supplying material and calcium sulfate, put in a container to form a block, and this block is directly sown. By doing so, germination and seedling establishment can be further effectively performed.

[Action]

 The present invention operates as follows.

The above-mentioned iron oxide black has a black color, and the seed coated with the coating material containing the black iron oxide is the paddy soil (~)
Even if it is directly sown in unstructured ~ mud ~ soil with little oxygen), it can trap solar heat efficiently and take in more heat. In addition, oxygen is supplied by redox reaction of ferric tetroxide. However, the oxidizing effect in the soil can be improved, seed germination can be promoted even under low temperature conditions, and seedling establishment can be improved.

Example of Invention

 Examples will be described with reference to the drawings.

Reference numeral 1 is a coated seed, and its production method is as follows.

First, seeds and paddy rice 11 (12.5 kg for soaked paddy and 12.5 kg for dry paddy)
10kg) is prepared.

 On the other hand, the following A, B, C, D are prepared.

A. 1.5 kg of porous minerals such as boiling stones, B. 1.25 kg of black carbon such as activated carbon (activated carbon) and iron trioxide having good heat absorption, C. Oxygen supply material such as iron trioxide of 1.5 kg 0.75 kg of coagulant such as D, calcium sulfate (calculated gypsum).

 Then, A, B, C and D are mixed and processed as follows.

In this case, the mixed material of A, B, C, D is approximately A to 30 as described above.
%, B to 25%, C to 30%, D to 15%.

As the above-mentioned porous mineral, diatomaceous earth, zeolite, bentonite, etc. are known, and calcium peroxide or magnesium peroxide as an oxygen supply material (Japanese Patent Laid-Open No. 62-238206).
Etc. are known.

The above-mentioned paddy 11 (immersed paddy) is coated with the mixed material consisting of A, B, C and D by the following method to form a coating layer 12
To form.

The drained seeds are placed in a dish of a coating machine, and while the machine is rotated, the above-mentioned mixed material is added little by little and a small amount of water is sprayed to evenly coat the seeds.

Black materials such as A. black iron oxide (Fe ₃ O ₄ ) are used to increase the absorption of sunlight (heat) necessary for seed germination.

B. Porous minerals such as boiling stone and granular soil are used for uptake of oxygen in air or water.

C. Ferrous tetroxide has good thermal conductivity and aims at oxygen supply by oxidation-reduction reaction and oxidation effect in soil.

D. Coagulant such as calcium sulfate.

This coagulant is intended to form a seed in the form of a coating that can withstand a certain impact.

Reference numeral 2 denotes a seed block for direct sowing constructed by using the coated seed 1 (when a known container 21 made of a flammable material made of rubber or synthetic resin is used).

 The manufacturing method is as follows.

First of all, for 7 to 0.35 g of the coated seed 1, 1.07 g of A. boiling stone, porous mineral such as granular soil, B. black iron black iron oxide with good heat absorption 0.
16g, C. Oxygen supply material such as ferric oxide 0.08g, D. Calcium sulfate (calcined gypsum) and other solidifying material 0.33g.

To prepare.

In this case, the mixed material of A, B, C, D is approximately A to 65%, B to 10%.
%, C-5%, D-25%.

In this case, the total weight of one pot is 2g and seeds 0.35g (17.
5%) and mixed material 1.65g (82.5%).

Furthermore, these are processed by the following method, and the seed block 2 for direct sowing is obtained.

Mixed material 22 with A, B, C, D mixed and coated seed 1
(7 grains) are sealed in a container 21 and crushed, and water is added to form a seed block 2 for direct sowing. Therefore, the method of using the seed block 2 for direct sowing is as follows.

This seed block preferably has an effective cumulative temperature of about
After 90 ° C. is secured, the rice is extruded from the pot bottom surface of the container in a well-known extrusion lot by a rice transplanter or the like and seeded in Honda with an implantation claw.

Alternatively, after extruding in a lot, the seeds are seeded by a method such as natural fall, guiding to the floor surface in the groove and then covering with soil.

〔The invention's effect〕

Since the present invention is configured as described above, it has the following effects.

1) Improving heat absorption and oxygen supply to seeds at the same time improves seed germination and seedling under low temperature and soil cover conditions.

2) Suppression and reduction in flooded soil are suppressed to promote germination, rooting and growth.

3) By using seed blocks, a certain depth of soil cover is secured, bird damage is prevented, and lodging resistance is enhanced.

4) By improving the above-mentioned various conditions, the amount of initial growth can be secured and made uniform, and low-cost and stable high-yield production of early-stage varieties can be achieved.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of the coated seed, FIG. 2 is a vertical cross-sectional view showing the seeded state of the coated seed, and FIG. 3 is obtained by using a known container made of a combustible material made of rubber or synthetic resin. Seed block for direct sowing
FIG. 4 is a vertical cross-sectional view showing a state of being extruded from the container, FIG. 4 is a vertical cross-sectional view of a direct-seeding seed block, and FIG. 5 is a vertical cross-sectional view showing a seeding state of the direct-seeding seed block. 1 ... Coated seed, 2 ... Direct seeding block.

Claims (4)

(57) [Claims] 1. A coating material for seeds, which contains ferric oxide. 2. A seed coating material comprising a porous mineral, activated carbon, ferric tetroxide, an oxygen supplying material and calcium sulfate. 3. A coated seed coated with the coating material according to claim 1. 4. Direct seeding in which the coated seed according to claim 3 is mixed with a mixed material containing porous mineral, activated carbon, ferric tetroxide, an oxygen supply material and calcium sulfate, placed in a container and formed into a block shape. Seed block for.