A natural plant food which both nourishes plants and enriches the soil. This fertiliser is organically certified by Bio Gro. Natural Blood and Bone is boosted with NZ seaweed to encourage strong, healthy roots and improved resistance. Blood and Bone is a natural slow release fertiliser source of Nitrogen for strong stem and leaf growth, phosphorus for stem and root development. Good source of natural calcium which helps with plant cell strength, A natural soil conditioner.