Perlite is a kind of glassy rock formed by the rapid cooling of acid lava erupted by volcano, which is named after its unique pearl fracture structure.
Perlite contains ferrosilicon and other chemical elements, chemical properties are stable, pH is neutral.
First, perlite has a strong water absorption capacity, which can reach two to three times of its own.
Second, perlite can adjust soil hardening, effectively prevent crop lodging, control fertilizer efficiency and fertilizer degree.
Third, the porous adsorption of perlite can be used as diluent and carrier of pesticide and herbicide in agriculture.
Disadvantages
First, perlite is easy to be powdered, and it will float on the surface of the soil after watering, which is easy to be blown away by the wind.
Second, perlite is harmful to human body after being inhaled.
Perlite is used for most of the plants. Perlite is light and porous, with good air permeability and drainage. It is suitable for planting all kinds of plants that need drainage and ventilation medium. It is also a good medium for soilless cultivation. It can also be used for cutting plants that are not easy to take root.
[about perlite]
