Steamed bone meal contains
A. 3 - 4% P2O5
B. 8 - 10% P2O5
C. 4 - 10% P2O5
D. 30 - 35% P2O5
Answer: Option D
Solution(By Examveda Team)
Steamed bone meal contains 30 - 35% P2O5.Bone meal is a mixture of finely and coarsely ground animal bones and slaughter-house waste products. It is used as a dietary supplement to supply calcium (Ca) and phosphorus (P) to monogastric livestock in the form of a hydroxiapathite.
The N-P-K rating of bone meal is typically 3-15-0 along with a calcium content of around 12% (18% CaO equiv.) and 30 - 35% P2O5.
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.
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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