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bone meal

bone meal, finely ground bone used as a fertilizer for its content of phosphate and nitrogen (about 23%–30% available phosphate and 2%–4% nitrogen); it is an expensive form of phosphoric acid when compared with superphosphates. Bone meal is also fed to farm animals to supply needed mineral food constituents, e.g., calcium and phosphorus.

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bone-meal

bone‐meal Prepared from degreased bones and formerly used as a supplement in both animal and human foods as a source of calcium and phosphate; no longer used because of the risk of transmitting BSE. Also used as a plant fertilizer as a slowly released source of phosphate.

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"bone-meal." A Dictionary of Food and Nutrition. . Encyclopedia.com. 16 Nov. 2018 <https://www.encyclopedia.com>.

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