Which of the following fertilizers is used as a cattle feed ?

A. H3PO4
B. H4P2O7
C. HPO3
D. Same as that of Pyrophosphoric acid

A. 3-4
B. 8-10
C. 15-17
D. 20-25

A. Urea
B. Calcium ammonium nitrate
C. Triple superphosphate
D. None of these

A. 4-5
B. 7-8
C. 9-10
D. 12-13

A. CaF2.3Ca3(PO4)2
B. 3Ca3(PO4)2
C. Ca(PO3)2
D. Ca(H2PO4)2

A. Nitrogen
B. Phosphorous
C. Potassium
D. Carbon