minercal fertilizer is high effective, high nutrient, and stable index. It is used as the most univarsal fertilizer, and accepted by most farmer in the world.
mineral fertilizer is comes from roks, after processing,concent the percentage of nutrition.
So it is high efficient, high solubolity for fertilization, and high purity to mixed with other kinds of water soluble fertilizers. Sufficient to applying full nutrients in one time.