Availability of phosphorus in bone meal.
J Assoc Off Anal Chem
; 72(5): 867-9, 1989.
Article
en En
| MEDLINE
| ID: mdl-2808250
Two commercially available bone meal products (grades 0-12-0 and 6-12-0) were examined. Samples were prepared according to AOAC method 2.007, and total and available phosphorus contents were determined. Portions of these preparations were reground to pass through successively smaller sieves, and subsequent analyses indicated the availability of phosphorus to be directly proportional to fineness of grind. A quantity of the citrate-insoluble fraction of the bone meal was obtained by following AOAC extraction procedures. Agronomic studies were conducted that compared this insoluble fraction with the original bone meal material and with reagent grade Ca(H2PO4)2.H2O. The data indicated poor correlation between the analytically defined and agronomically determined availability of phosphorus.
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Bases de datos:
MEDLINE
Asunto principal:
Fósforo
/
Zea mays
/
Minerales
Idioma:
En
Revista:
J Assoc Off Anal Chem
Año:
1989
Tipo del documento:
Article