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Japan

Water Management Stands Out in Salon Plant Breeding with Hydroball

Hydroball-based cultivation has become widespread in Europe and is described as a method suitable for interior spaces in modern-day Japan. This ceramic-based artificial growing medium, produced by heating and foaming natural clay at high temperatures, holds water and air together due to its porous structure. Thus, the moisture and oxygen required by the roots are supplied in the same environment, while water retention and high air permeability, similar to soil, are achieved simultaneously.

Water Management Stands Out in Salon Plant Breeding with Hydro-than in Japan — source visual
Photo: Mynavi Agriculture

Due to its inorganic nature, the risk of microorganisms and small insects that can cause plant diseases in hydroball is significantly reduced. The material does not contaminate interior spaces such as the kitchen, bedroom, or work desk, as it is not soil-based. Even if the container is overturned, the ability to collect and clean the particles is one of the key features that make this method suitable for indoor use. Some indoor plants that are well-suited to water culture and durable in indoor environments are recommended as viable entry points for hydroball cultivation.

The grain size to be used in cultivation should be selected based on the size of the plant and the spread of its roots. Hydroball is generally available in three sizes: small, medium, and large. Small grains are suitable for securing thin-rooted and small plants, medium grains are appropriate for table-top indoor plants, and large grains are suitable for larger, root-developed plants. The material can be used in both bottomless containers and pots with drainage holes. Pots with drainage holes help to expel excess water, thereby reducing the risk of root rot.

In pots with drainage holes, it is recommended to layer the grains from bottom to top as follows: 15% large grains, 55% medium grains, and 30% small grains. Although water levels can be seen from the outside in bottomless glass or ceramic containers, there is a risk of water degradation due to the absence of water circulation. Root rot prevention products should be used at the base of such containers. In opaque containers, a water level indicator is recommended as the water level cannot be seen.

For beginners, transparent containers are recommended as they allow easy monitoring of water levels. However, it is noted that transparent containers can heat up under direct sunlight and promote algal growth. When opaque containers are preferred, a water level indicator should be used; the container's mouth should be narrow and the surface should not be excessively indented. In bottomless containers, the irrigation amount should be maintained between 1 and 2 centimetres from the base, i.e., between one-fifth and one-quarter of the total volume. Excess water can lead to roots being deprived of air and result in root rot.

Sources

English translation of AgroAjans’s Turkish report. Original publishers are linked above.

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