Introduction
Vermiculite is a kind of mineral that will expand under high temperature. It belongs to silicate. When vermiculite is heated to lose water and expands, it is in the shape of flexure, which is very similar to that of leech, so it is called vermiculite.
Ingredients
Second, vermiculite has strong water retention and hydraulic conductivity, which can improve the permeability and water retention of the soil, neutralize the acid soil, and is conducive to the root growth of the plant.
Third, vermiculite can play a buffering role, so that fertilizer in the medium slowly released;
Fourth, vermiculite can also provide crops with their own elements such as magnesium and iron.
Vermiculite is fragile, easy to make medium too dense and lose aeration and water retention.
Vermiculite can be used in the cultivation of flowers, vegetables, fruits, seedlings and so on. Besides being used as potted soil and regulator, it can also be used in soilless cultivation.