Which of the following nitrogenous fertilisers has the highest
percentage of nitrogen?
(A) Calcium nitrate
(B) Calcium ammonium nitrate (CAN)
(C) Urea
(D) Ammonium sulphate
percentage of nitrogen?
(A) Calcium nitrate
(B) Calcium ammonium nitrate (CAN)
(C) Urea
(D) Ammonium sulphate