<P> Bone meal ( or Bone manure ) 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 and protein . Finely ground bone meal may provide a quicker release of nutrients than the coarser ground version of bone meal . </P>
<P> Bone meal ( or Bone manure ) 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 and protein . Finely ground bone meal may provide a quicker release of nutrients than the coarser ground version of bone meal . </P>
bone is used as a fertilizer because it contains the plant nutrient
bone is used as a fertilizer because it contains the plant nutrient
phosphorus
phosphorus