Japanese volcanic clay calibrated, ideal for cultivation of Bonsai, has good drainage and good retention capacity and nutrient "treat" (complex Argilo-Humic.
technical sheet for soils Bonsai
The gauge of 3 to 6 mm, is the most used in most Bonsai, be pure or associated with other components to make specific substrates.
Akadama brand Ibaraki - Hard Quality, very resistant.
It has P.H. neutral, it is sterilized free of seeds and weeds, due to its physical characteristics not colligate (does not clay).
In Japan use it to plant all leafy species (caducas and persistent), tambem is mixed with Kiryuzuna, to increase moisture retention in some conifers (e.g. Juniperus).
O Akadama is also widely used in aquariophilia (planted water).
