• Volcanic stone is a good material for growing dendrobium

    Volcanic stone is a good material for growing dendrobium

    It is a common method to use volcanic stone to grow dendrobium, but of course, volcanic stone is generally added to bark, coconut coir and other materials to mix into planting materials. Volcanic stone is also called pumice or porous basalt, which is a very precious porous stone formed by volcanic glass, minerals and bubbles after the volcanic eruption. Volcanic stone is characterized by its light weight, loose porosity, good permeability and rich in macronutrients such as silicon, aluminum, iron, potassium, sodium, calcium, magnesium, manganese, phosphorus and many other trace elements. The unique porosity, air permeability and water permeability of volcanic stone are suitable for growing orchids and succulents, which require high air permeability, and can be used as planting…

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