bone meal(redirected from bonemeal)
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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 superphosphatessuperphosphate
or superphosphate of lime,
Ca(H2PO4)2, is a compound produced by treating rock phosphate with sulfuric acid or phosphoric acid, or a mixture of the two.
..... Click the link for more information. . Bone meal is also fed to farm animals to supply needed mineral food constituents, e.g., calcium and phosphorus.
a mineral additive in feed for farm animals made by processing the bones from slaughtered animals. It is made by grinding bones that are defatted by organic solvents and deglutinated by steam. Bone meal is rich in minerals, particularly calcium (245 g in 1 kg of feed) and phosphorus (118 g). For cattle, 40–100 g of bone meal are added to the ration, and for small animals, 8–20 g. Bone meal constitutes up to 1 percent of the weight of mixed feeds.