A.colcium cyanamide
B.calcium ammonium nitrate
C.a mixture of urea and ammonium nitrate
D.a mixture of ammonium nitrate and ammonium chloride
A.colcium cyanamide
B.calcium ammonium nitrate
C.a mixture of urea and ammonium nitrate
D.a mixture of ammonium nitrate and ammonium chloride