... 10% + organic matter: 20% + Ca, Mg, Zn, Fe, etc. (2) NPK: 10-5-10 with seaweed: 10% + organic ... matter: 20% + Ca, Mg, Zn, Fe, etc. (3) NPK: 12-8-15 with seaweed: 10% + organic ... 10% + organic matter: 20% + Ca, Mg, Zn, Fe, etc. (5) NPK: 10-10-10 with seaweed: 10% + organic ... matter: 40% + Ca, Mg, Zn, Fe, etc. 3. How to use: (1) Apply to the crops' root, furrow application or hole application ...