I. Introduction of perlite
Perlite is an acidic glassy rock formed after volcanic eruption and cooling. Horticultural perlite is generally used to cultivate plants. This kind of perlite is a kind of white particles with honeycomb structure, which is made by instantaneous preheating, high temperature, roasting and expansion. After treatment, horticultural perlite no longer contains metal structure.
Second, the advantages of perlite
1, perlite, as a plant substrate, has a strong water absorption capacity, which can be 2 ~ 3 times higher than itself.
2. Adding perlite into soil can prevent soil hardening, prevent plants from lodging and control fertilizer efficiency and fertility.
3. Perlite is a honeycomb structure, which can be porous and can be used as a diluent for pesticides and herbicides.
Third, the shortcomings of perlite
1, perlite is porous and buoyant, and it is easy to float after watering; In addition, the texture is very light, easy to be blown away by the wind, and easy to powder after feng shui and sun exposure.
2, perlite particles are small, round and white particles, which are easy to be played by pets or children. Inhalation is harmful to health because the particles are small and easy to get stuck in the main nostril or respiratory tract.
Fourthly, the use of perlite.
What is perlite and how to use it? Perlite is mainly used in garden construction, and has a good use in urban greening, roof gardens, underground parking lots, sports fields and improving soil acidity and alkalinity.
Conclusion: Garden perlite is generally used to cultivate plants in gardens and is widely used in plant cultivation. I still don't understand its flower friend. After reading this article, you can use it correctly in the future.