According to FCO, the maximum permissible total N content in the form of urea in DAP should be:_________? October 13, 2020 – by admin According to FCO, the maximum permissible total N content in the form of urea in DAP should be:_________? A. 2.50 % B. 3.50 % C. 4,50 % D. 5.5 %