2. Synergist: Synergist is a non-patented technology of Beijing Zenong Biochemical Technology Co., Ltd. It is an active substance and amino acid peptide extracted from natural substances through biochemical treatment, which can improve fertilizer utilization rate and promote crop yield and quality. 3. Conditioner: Conditioner refers to functional substances added in the production of special compound fertilizer, such as zeolite, diatomite, attapulgite powder, gypsum powder, sepiolite, kaolin, etc.