What is the difference between perlite and vermiculite and orchid stone?
Perlite and vermiculite are used for gardening in modern times, and their functions are similar to those of sand. When soil is added to the soil, the permeability and drainage of the soil are improved, and the ability of preserving water and fertilizer is stronger than that of sand. And they are compared with sand, the biggest difference is that the former is much lighter, more suitable for express than sand.
And for cuttings, they are not inferior to sand, and the greater advantage is that they are sterile. However, the disadvantages of perlite and vermiculite are that the physical condition will change over time, and the permeability and drainage will decrease. Perlite can pinch into powder, some will be broken in the process of transportation and produce some powder.
Perlite brittle particles are commonly used substrates, vermiculite breathable water storage, orchid stone do not understand
Perlite Perlite perlite is a volcanic eruption of acid lavas, cooled by rapid cooling of glassy rock. Very light, there is a misunderstanding is that it almost does not absorb water, rather than the legendary water retention is very strong. The main function of adding the matrix is to float the voids during the watering process and to reduce the weight of the stroma. Vermiculite is a natural, non-toxic mineral that expands at high temperatures. Though the main producing area of Lingshou county. It is a relatively rare mineral, belonging to silicates. Its crystalline structure is monoclinic, and it looks like mica from its appearance. Vermiculite is produced by hydration of certain granite. It is commonly produced with asbestos. Because vermiculite has the ability of ion exchange, it has a great effect on the nutrition of the soil. Vermiculite water absorption ability is very strong, you can also
