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Horticultural vermiculite
Expanded vermiculite has good properties such as water absorption, air permeability, adsorption, looseness and non hardening. Moreover, it is sterile and non-toxic after high-temperature roasting, which is very conducive to the rooting and growth of plants. It can be used for planting, seedling raising and cutting of precious flowers and trees, vegetables, fruit trees, potatoes and grapes, as well as making seedling substrate, flower fertilizer, nutrient soil, etc.
