... is a kind of high efficacy compound fertilizer. Types as follows:2.1 NPK: 8-4-8 with seaweed: 10% + organic matter: 20 ... : 10% + organic matter: 20% + Ca, Mg, Zn, Fe, etc.2.6 NPK: 12-6-12 with seaweed: 10% + organic matter: 20% + Ca, Mg, Zn, Fe ...