Bone meal is a mixture of finely and coarsely ground animal bones and slaughter-house waste products. It is used as an organic fertilizer for plants and as a nutritional supplement for animals. As a slow-release fertilizer, bone meal is primarily used as a source of phosphorus. Finely ground bone meal may provide a quicker release of nutrients than the coarser ground version of bone meal. In non-agricultural soils, phosphorus and calcium are usually adequate for healthy growth of plants.
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