JP2016106576A - Method and kit for simple hydroponics - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the problem in which: various means are taken to prevent roots from rotting in hydroponics, but most of them consume electric power; methods unnecessary for electric power require high cost and labor; and a bag-type hydroponic kit is developed prior to the present invention, but the bag-type hydroponic kit cannot be installed on the ground.SOLUTION: In the present invention, nutrition can be given to roots to grow vegetables while preventing the roots from rotting by filling a container having little gas permeability with nutritious solution at the depth of 20 to 80% of the container height, immersing a towel made of microfiber, and using the towel as a carrier for the roots of the vegetables. A kit using a method can be installed on the ground outdoors, does not use electric power, and enables hydroponics for the vegetables at such a low cost as six yen or less per plant which cannot be achieved so far.SELECTED DRAWING: Figure 1

Description

The present invention relates to a method and a kit for hydroponics.

When growing plants in hydroponics, it is necessary to pay attention to root rot due to the lack of oxygen in the roots. For this reason, measures have been taken so far in which oxygen in the air is taken in by circulating a nutrient solution, or oxygen is supplied by generating air bubbles.

As another system for supplying oxygen without moving the nutrient solution, there is a method in which a porous body is used as a plant root carrier and oxygen stored therein is used to prevent plant root rot.

Patent Publication 2012-223176 Patent Publication 2013-106563 Patent application 2014-194537

Conventionally, in hydroponics, in order to prevent root rot of plants, a method of circulating a nutrient solution or putting an air bubble in the nutrient solution to actively supply oxygen in the air has been employed.

However, since such a method needs to use electricity, it is unsuitable for cultivation in the outdoors and also costs electric power.

Although a method of supplying oxygen using a porous material such as pearlite is also conceivable, oxygen supply cannot be performed if the porous material is completely immersed in water, and the porous material is expensive or handled. difficult.

In addition, the method of Patent Document 3 developed prior to the present invention is a method in which a microfiber fiber fabric is immersed in a gas-permeable bag and nutrients are given to the roots of the plant using the capillary phenomenon. However, if this method is used, oxygen can be efficiently supplied to the roots of plants.

However, in this method, since the nutrient solution container is a bag, it must be hung and difficult to install on the ground, and the part that combines the microfiber fiber that is a plant carrier and the bag is complicated. I had to be.

Fill a container with low gas permeability to a depth of 20-80%, suck up the nutrient solution with a microfiber fiber towel with capillary action, and use the towel as a plant root carrier Supply oxygen while providing nutrients.

Although it is difficult to supply oxygen through a container with low gas permeability, installing a microfiber fiber towel on the top of the container allows oxygen to diffuse into the container through the towel and is sufficient for plant growth. Oxygen can be supplied. Therefore, the inside of the container is not filled with water, and a clearance of 20 to 80% for air to enter from the time of installation must be prepared.

By using the method of the present invention, it is possible to make a hard container that does not have gas permeability, so that it can be installed on the ground, and since it is a hard container, a microfiber fiber towel is simply put into the hole. It can be held with frictional force.

According to the present invention, installation on the ground, which has been difficult with a hydroponics kit using a bag-type microfiber towel, has become possible. In addition, the bag is easy to tear because it is thin, and it was not preferable to install it indoors. However, by using a hard container, the possibility of leakage of the nutrient solution was reduced, and it was possible to install it indoors.

In addition, the hydroponics kit of the present invention can have a support for holding a microfiber towel separately from a hard container that does not have gas permeability, and by opening a plurality of holes in the support It becomes possible to grow a plurality of plants in one container.

Furthermore, since the container, the support and the microfiber fiber towel can be washed and reused after the plant is grown, the equipment cost can be extremely low. For example, microfiber fiber towels are commercially available and are sold for 108 yen per sheet, but the amount required for one share of this kit is 1/8. In addition, for example, a container for 8 stocks is about 108 yen, and a holding body is about 108 yen. Since a total of about 230 yen can grow 8 plants, the price per share is around 29 yen. Furthermore, since these can be reused, for example, when used repeatedly 5 times, it costs about 6 yen per share.

The equipment cost for soil cultivation is only required if it is soil, so it costs little more than labor costs, but the equipment cost of 5 yen per share is a price that could not be achieved by hydroponics until now, and is the only price for soil cultivation This is thought to be a hydroponics method that can compete with the surface.

1. Vegetables, 2. 2. Microfiber fiber towel; Container, 4. Vegetable roots, 5. Nutrient solution Place the support on the container. 1. Vegetables, 2. 2. Microfiber fiber towel; Support, 4. Vegetable roots, 5. Nutrient solution, 6. container

In order to carry out the method of the present invention, a container and a support, a microfiber fiber towel, a nutrient solution, and vegetable seeds may be used, and the light source may be sunlight or artificial light.

Fill a PET bottle with a caliber of 22 mm, an outer diameter of 60 mm, and a height of 200 mm with a 50% dilution of Hyponica stock solution A and B with respect to the height, and wrap a microfiber towel with a width of 240 mm and a length of 100 mm. The tip was placed so that the tip portion protrudes about 10 mm from the mouth, and lettuce and chingensai seeds were placed in the gap between the microfiber towels. The room temperature was maintained at about 20 ° C., a fluorescent lamp was used as the light source, and the light was maintained for 18 hours light period and 6 hours dark period.

As a result, all the vegetables grew and became larger at the same speed as the commercially available vegetables.

The hydroponic cultivation method and kit of the present invention are very inexpensive and do not require a power source when grown with sunlight, and therefore are suitable for outdoor cultivation. Therefore, even if the soil is not suitable for vegetable cultivation, by using this cultivation method, the vegetable can be grown and harvested at substantially the same cost as soil cultivation.

In winter, it is difficult to cultivate vegetables outdoors because the outdoor temperature is low, but if they are placed in a place where they can be exposed to sunlight, they can grow vegetables without electricity.

The cultivation method of the present invention can also be applied to a completely closed plant factory, and can be cultivated using artificial light such as an LED or a fluorescent lamp while the environment is controlled. Since the equipment costs are small, not only the initial investment is small, but once sowing the vegetable seeds, labor is not required until harvesting, so labor costs are almost unnecessary. Since no nutrient solution circulation is required, power can be reduced.

Claims (5)

A nutrient solution filled in a container with low gas permeability at a depth of 20 to 80% of the total length of the container is sucked up with a microfiber fiber towel with capillary action, and is brought into contact with the root as a carrier to absorb the nutrients. Cultivation method to grow plants The hydroponic cultivation kit using the method according to claim 1, wherein a microfiber fiber towel having a capillary action is installed on an upper part of a container filled with a nutrient solution. 3. The kit according to claim 2, wherein the frictional force of the hole between the container and the towel is used to hold the microfiber fiber towel. Hydroponic cultivation kit comprising a container for filling a nutrient solution, a support for holding a towel of microfiber fiber, and a towel of microfiber fiber serving as a plant root carrier The kit according to claim 4, wherein the support for holding the microfiber fibers has a plurality of holes, and a towel for the microfiber fibers is installed in each of the holes.