Special potassium silicate used in fertilizer is a kind of special raw material to produce silicon potassium fertilizer. This fertilizer can help prevent moisture of vegetables and fruits from evaporating, increase sugar content, retain freshness, keep away from diseases and insects. It is suitable for all kinds of crops. Silicon potassium fertilizer is a new type of fertilizer in which potassium silicate is one of the main raw materials and its stability of quality directly affect other indexes. So, choosing a large-scale potassium silicate production enterprise is very important to product silicon potassium fertilizer.