... 10 with seaweed: 10% + organic matter: 20% + Ca, Mg, Zn, Fe, etc. 2.3 NPK: 12-8-15 with seaweed: ... 10 with seaweed: 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, etc. 2.7 NPK: 10-7-15 with seaweed ... -4 with seaweed: 10% + organic matter: 40% + Ca, Mg, Zn, Fe, etc. Method of application: apply to the crops’ root ...